Three-dimensional transient model of zinc-nickel single flow battery considering side reactions
Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was e...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Yao, Shouguang [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021transfer abstract |
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| Übergeordnetes Werk: |
Enthalten in: Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch - Zhang, Lei ELSEVIER, 2018, the journal of the International Society of Electrochemistry (ISE), New York, NY [u.a.] |
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| Übergeordnetes Werk: |
volume:374 ; year:2021 ; day:1 ; month:04 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.electacta.2021.137895 |
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ELV053249755 |
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| 245 | 1 | 0 | |a Three-dimensional transient model of zinc-nickel single flow battery considering side reactions |
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| 520 | |a Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was established. The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. In the later stage of charging, when the shielding effect of oxygen bubbles on the positive reaction interface is not considered, compared with the case without considering the side reactions, the positive electrode activation polarization is larger when considering the side reaction. | ||
| 520 | |a Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was established. The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. In the later stage of charging, when the shielding effect of oxygen bubbles on the positive reaction interface is not considered, compared with the case without considering the side reactions, the positive electrode activation polarization is larger when considering the side reaction. | ||
| 700 | 1 | |a Zhou, Rui |4 oth | |
| 700 | 1 | |a Huang, Xinyu |4 oth | |
| 700 | 1 | |a Liu, Dun |4 oth | |
| 700 | 1 | |a Cheng, Jie |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Zhang, Lei ELSEVIER |t Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch |d 2018 |d the journal of the International Society of Electrochemistry (ISE) |g New York, NY [u.a.] |w (DE-627)ELV001212419 |
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10.1016/j.electacta.2021.137895 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001321.pica (DE-627)ELV053249755 (ELSEVIER)S0013-4686(21)00185-7 DE-627 ger DE-627 rakwb eng 610 VZ 44.00 bkl Yao, Shouguang verfasserin aut Three-dimensional transient model of zinc-nickel single flow battery considering side reactions 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was established. The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. In the later stage of charging, when the shielding effect of oxygen bubbles on the positive reaction interface is not considered, compared with the case without considering the side reactions, the positive electrode activation polarization is larger when considering the side reaction. Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was established. The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. In the later stage of charging, when the shielding effect of oxygen bubbles on the positive reaction interface is not considered, compared with the case without considering the side reactions, the positive electrode activation polarization is larger when considering the side reaction. Zhou, Rui oth Huang, Xinyu oth Liu, Dun oth Cheng, Jie oth Enthalten in Elsevier Zhang, Lei ELSEVIER Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch 2018 the journal of the International Society of Electrochemistry (ISE) New York, NY [u.a.] (DE-627)ELV001212419 volume:374 year:2021 day:1 month:04 pages:0 https://doi.org/10.1016/j.electacta.2021.137895 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.00 Medizin: Allgemeines VZ AR 374 2021 1 0401 0 |
| spelling |
10.1016/j.electacta.2021.137895 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001321.pica (DE-627)ELV053249755 (ELSEVIER)S0013-4686(21)00185-7 DE-627 ger DE-627 rakwb eng 610 VZ 44.00 bkl Yao, Shouguang verfasserin aut Three-dimensional transient model of zinc-nickel single flow battery considering side reactions 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was established. The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. In the later stage of charging, when the shielding effect of oxygen bubbles on the positive reaction interface is not considered, compared with the case without considering the side reactions, the positive electrode activation polarization is larger when considering the side reaction. Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was established. The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. In the later stage of charging, when the shielding effect of oxygen bubbles on the positive reaction interface is not considered, compared with the case without considering the side reactions, the positive electrode activation polarization is larger when considering the side reaction. Zhou, Rui oth Huang, Xinyu oth Liu, Dun oth Cheng, Jie oth Enthalten in Elsevier Zhang, Lei ELSEVIER Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch 2018 the journal of the International Society of Electrochemistry (ISE) New York, NY [u.a.] (DE-627)ELV001212419 volume:374 year:2021 day:1 month:04 pages:0 https://doi.org/10.1016/j.electacta.2021.137895 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.00 Medizin: Allgemeines VZ AR 374 2021 1 0401 0 |
| allfields_unstemmed |
10.1016/j.electacta.2021.137895 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001321.pica (DE-627)ELV053249755 (ELSEVIER)S0013-4686(21)00185-7 DE-627 ger DE-627 rakwb eng 610 VZ 44.00 bkl Yao, Shouguang verfasserin aut Three-dimensional transient model of zinc-nickel single flow battery considering side reactions 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was established. The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. In the later stage of charging, when the shielding effect of oxygen bubbles on the positive reaction interface is not considered, compared with the case without considering the side reactions, the positive electrode activation polarization is larger when considering the side reaction. Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was established. The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. In the later stage of charging, when the shielding effect of oxygen bubbles on the positive reaction interface is not considered, compared with the case without considering the side reactions, the positive electrode activation polarization is larger when considering the side reaction. Zhou, Rui oth Huang, Xinyu oth Liu, Dun oth Cheng, Jie oth Enthalten in Elsevier Zhang, Lei ELSEVIER Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch 2018 the journal of the International Society of Electrochemistry (ISE) New York, NY [u.a.] (DE-627)ELV001212419 volume:374 year:2021 day:1 month:04 pages:0 https://doi.org/10.1016/j.electacta.2021.137895 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.00 Medizin: Allgemeines VZ AR 374 2021 1 0401 0 |
| allfieldsGer |
10.1016/j.electacta.2021.137895 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001321.pica (DE-627)ELV053249755 (ELSEVIER)S0013-4686(21)00185-7 DE-627 ger DE-627 rakwb eng 610 VZ 44.00 bkl Yao, Shouguang verfasserin aut Three-dimensional transient model of zinc-nickel single flow battery considering side reactions 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was established. The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. In the later stage of charging, when the shielding effect of oxygen bubbles on the positive reaction interface is not considered, compared with the case without considering the side reactions, the positive electrode activation polarization is larger when considering the side reaction. Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was established. The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. In the later stage of charging, when the shielding effect of oxygen bubbles on the positive reaction interface is not considered, compared with the case without considering the side reactions, the positive electrode activation polarization is larger when considering the side reaction. Zhou, Rui oth Huang, Xinyu oth Liu, Dun oth Cheng, Jie oth Enthalten in Elsevier Zhang, Lei ELSEVIER Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch 2018 the journal of the International Society of Electrochemistry (ISE) New York, NY [u.a.] (DE-627)ELV001212419 volume:374 year:2021 day:1 month:04 pages:0 https://doi.org/10.1016/j.electacta.2021.137895 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.00 Medizin: Allgemeines VZ AR 374 2021 1 0401 0 |
| allfieldsSound |
10.1016/j.electacta.2021.137895 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001321.pica (DE-627)ELV053249755 (ELSEVIER)S0013-4686(21)00185-7 DE-627 ger DE-627 rakwb eng 610 VZ 44.00 bkl Yao, Shouguang verfasserin aut Three-dimensional transient model of zinc-nickel single flow battery considering side reactions 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was established. The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. In the later stage of charging, when the shielding effect of oxygen bubbles on the positive reaction interface is not considered, compared with the case without considering the side reactions, the positive electrode activation polarization is larger when considering the side reaction. Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was established. The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. In the later stage of charging, when the shielding effect of oxygen bubbles on the positive reaction interface is not considered, compared with the case without considering the side reactions, the positive electrode activation polarization is larger when considering the side reaction. Zhou, Rui oth Huang, Xinyu oth Liu, Dun oth Cheng, Jie oth Enthalten in Elsevier Zhang, Lei ELSEVIER Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch 2018 the journal of the International Society of Electrochemistry (ISE) New York, NY [u.a.] (DE-627)ELV001212419 volume:374 year:2021 day:1 month:04 pages:0 https://doi.org/10.1016/j.electacta.2021.137895 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.00 Medizin: Allgemeines VZ AR 374 2021 1 0401 0 |
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Enthalten in Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch New York, NY [u.a.] volume:374 year:2021 day:1 month:04 pages:0 |
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Enthalten in Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch New York, NY [u.a.] volume:374 year:2021 day:1 month:04 pages:0 |
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Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch |
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Yao, Shouguang @@aut@@ Zhou, Rui @@oth@@ Huang, Xinyu @@oth@@ Liu, Dun @@oth@@ Cheng, Jie @@oth@@ |
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The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. In the later stage of charging, when the shielding effect of oxygen bubbles on the positive reaction interface is not considered, compared with the case without considering the side reactions, the positive electrode activation polarization is larger when considering the side reaction.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was established. The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. 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Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch |
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three-dimensional transient model of zinc-nickel single flow battery considering side reactions |
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Three-dimensional transient model of zinc-nickel single flow battery considering side reactions |
| abstract |
Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was established. The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. In the later stage of charging, when the shielding effect of oxygen bubbles on the positive reaction interface is not considered, compared with the case without considering the side reactions, the positive electrode activation polarization is larger when considering the side reaction. |
| abstractGer |
Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was established. The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. In the later stage of charging, when the shielding effect of oxygen bubbles on the positive reaction interface is not considered, compared with the case without considering the side reactions, the positive electrode activation polarization is larger when considering the side reaction. |
| abstract_unstemmed |
Based on a comprehensive description of the conservation of momentum, mass and charge, as well as the global dynamics involving ion and proton reactions, a three-dimensional transient model for zincnickel single flow battery considering side reactions of hydrogen evolution and oxygen evolution was established. The accuracy of the model is verified by experiments. The effects of current density, electrolyte flow rate, initial ion concentration, temperature and electrode porosity on the side reactions of hydrogen evolution and oxygen evolution were investigated. The effects of side reactions on the activation polarization and concentration polarization of the battery were studied by comparing the two cases of whether side reactions were considered or not. The results show that the reaction rate of hydrogen evolution and oxygen evolution can be effectively reduced by reducing the applied current density, ambient temperature or increasing the flow rate of electrolyte. Increasing the initial concentration of hydroxyl ions inhibited the occurrence of hydrogen evolution side reaction, but also promoted the occurrence of oxygen evolution side reaction. As the porosity of the positive electrode increases, the reaction rate of the side reaction of oxygen evolution and the oxygen concentration in the positive electrode area gradually decrease. In the later stage of charging, when the shielding effect of oxygen bubbles on the positive reaction interface is not considered, compared with the case without considering the side reactions, the positive electrode activation polarization is larger when considering the side reaction. |
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Three-dimensional transient model of zinc-nickel single flow battery considering side reactions |
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Zhou, Rui Huang, Xinyu Liu, Dun Cheng, Jie |
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