Oxygen vacancies in MnO
MnO2 cathode materials have presented challenges due to their poor conductivity, unstable structure, and sluggish diffusion kinetics for aqueous zinc-ion batteries (AZIBs). In this study, a nanostructured MnOx cathode material was synthesized using an acid etching method, Which introduced abundant M...
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| Autor*in: |
Xu, Yuhui [verfasserIn] Zhang, Gaini [verfasserIn] Zhang, Jianhua [verfasserIn] Wang, Xiaoxue [verfasserIn] Wang, Jingjing [verfasserIn] Jia, Shuting [verfasserIn] Yuan, Yitong [verfasserIn] Yang, Xiaoli [verfasserIn] Xu, Kaihua [verfasserIn] Wang, Chunran [verfasserIn] Zhang, Kun [verfasserIn] Li, Wenbin [verfasserIn] Li, Xifei [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2023 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Journal of colloid and interface science - Amsterdam [u.a.] : Elsevier, 1966, 652, Seite 305-316 |
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| Übergeordnetes Werk: |
volume:652 ; pages:305-316 |
| DOI / URN: |
10.1016/j.jcis.2023.08.084 |
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ELV064901556 |
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| 520 | |a MnO2 cathode materials have presented challenges due to their poor conductivity, unstable structure, and sluggish diffusion kinetics for aqueous zinc-ion batteries (AZIBs). In this study, a nanostructured MnOx cathode material was synthesized using an acid etching method, Which introduced abundant Mn(III) sites, resulting in the formation of numerous oxygen vacancies. Comprehensive characterizations revealed that these oxygen vacancies facilitated the reversible adsorption/desorption of Zn2+ ions and promoted efficient electron transfer. In addition, the designed mesoporous structure offered ample active sites and shortened the diffusion path for Zn2+ and H+ ions. Consequently, the nanosized MnOx cathode exhibited enhanced reaction kinetics, achieving a considerable reversible specific capacity of 388.7 mAh/g at 0.1 A/g and superior durability with 72.0% capacity retention over 2000 cycles at 3.0 A/g. The material delivered a maximum energy density of 639.7 Wh kg−1 at 159.94 W kg−1. Furthermore, a systematic analysis of the zinc storage mechanism was performed. This work demonstrates that engineering oxygen vacancies with nanostructure regulation provides valuable insights into optimizing MnO2 cathode materials for AZIBs. | ||
| 650 | 4 | |a Mn(III) site | |
| 650 | 4 | |a Oxygen vacancy | |
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| 650 | 4 | |a Manganese oxide | |
| 650 | 4 | |a Zinc storage mechanism | |
| 700 | 1 | |a Zhang, Gaini |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Jianhua |e verfasserin |4 aut | |
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| 700 | 1 | |a Wang, Jingjing |e verfasserin |4 aut | |
| 700 | 1 | |a Jia, Shuting |e verfasserin |4 aut | |
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| 700 | 1 | |a Zhang, Kun |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Wenbin |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Xifei |e verfasserin |0 (orcid)0000-0002-4828-4183 |4 aut | |
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10.1016/j.jcis.2023.08.084 doi (DE-627)ELV064901556 (ELSEVIER)S0021-9797(23)01567-9 DE-627 ger DE-627 rda eng 540 VZ 35.18 bkl Xu, Yuhui verfasserin aut Oxygen vacancies in MnO 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier MnO2 cathode materials have presented challenges due to their poor conductivity, unstable structure, and sluggish diffusion kinetics for aqueous zinc-ion batteries (AZIBs). In this study, a nanostructured MnOx cathode material was synthesized using an acid etching method, Which introduced abundant Mn(III) sites, resulting in the formation of numerous oxygen vacancies. Comprehensive characterizations revealed that these oxygen vacancies facilitated the reversible adsorption/desorption of Zn2+ ions and promoted efficient electron transfer. In addition, the designed mesoporous structure offered ample active sites and shortened the diffusion path for Zn2+ and H+ ions. Consequently, the nanosized MnOx cathode exhibited enhanced reaction kinetics, achieving a considerable reversible specific capacity of 388.7 mAh/g at 0.1 A/g and superior durability with 72.0% capacity retention over 2000 cycles at 3.0 A/g. The material delivered a maximum energy density of 639.7 Wh kg−1 at 159.94 W kg−1. Furthermore, a systematic analysis of the zinc storage mechanism was performed. This work demonstrates that engineering oxygen vacancies with nanostructure regulation provides valuable insights into optimizing MnO2 cathode materials for AZIBs. Mn(III) site Oxygen vacancy Mesoporous structure Manganese oxide Zinc storage mechanism Zhang, Gaini verfasserin aut Zhang, Jianhua verfasserin aut Wang, Xiaoxue verfasserin aut Wang, Jingjing verfasserin aut Jia, Shuting verfasserin aut Yuan, Yitong verfasserin (orcid)0000-0001-5678-333X aut Yang, Xiaoli verfasserin aut Xu, Kaihua verfasserin aut Wang, Chunran verfasserin aut Zhang, Kun verfasserin aut Li, Wenbin verfasserin aut Li, Xifei verfasserin (orcid)0000-0002-4828-4183 aut Enthalten in Journal of colloid and interface science Amsterdam [u.a.] : Elsevier, 1966 652, Seite 305-316 Online-Ressource (DE-627)266891136 (DE-600)1469021-4 (DE-576)103373160 1095-7103 nnns volume:652 pages:305-316 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2411 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.18 Kolloidchemie Grenzflächenchemie VZ AR 652 305-316 |
| spelling |
10.1016/j.jcis.2023.08.084 doi (DE-627)ELV064901556 (ELSEVIER)S0021-9797(23)01567-9 DE-627 ger DE-627 rda eng 540 VZ 35.18 bkl Xu, Yuhui verfasserin aut Oxygen vacancies in MnO 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier MnO2 cathode materials have presented challenges due to their poor conductivity, unstable structure, and sluggish diffusion kinetics for aqueous zinc-ion batteries (AZIBs). In this study, a nanostructured MnOx cathode material was synthesized using an acid etching method, Which introduced abundant Mn(III) sites, resulting in the formation of numerous oxygen vacancies. Comprehensive characterizations revealed that these oxygen vacancies facilitated the reversible adsorption/desorption of Zn2+ ions and promoted efficient electron transfer. In addition, the designed mesoporous structure offered ample active sites and shortened the diffusion path for Zn2+ and H+ ions. Consequently, the nanosized MnOx cathode exhibited enhanced reaction kinetics, achieving a considerable reversible specific capacity of 388.7 mAh/g at 0.1 A/g and superior durability with 72.0% capacity retention over 2000 cycles at 3.0 A/g. The material delivered a maximum energy density of 639.7 Wh kg−1 at 159.94 W kg−1. Furthermore, a systematic analysis of the zinc storage mechanism was performed. This work demonstrates that engineering oxygen vacancies with nanostructure regulation provides valuable insights into optimizing MnO2 cathode materials for AZIBs. Mn(III) site Oxygen vacancy Mesoporous structure Manganese oxide Zinc storage mechanism Zhang, Gaini verfasserin aut Zhang, Jianhua verfasserin aut Wang, Xiaoxue verfasserin aut Wang, Jingjing verfasserin aut Jia, Shuting verfasserin aut Yuan, Yitong verfasserin (orcid)0000-0001-5678-333X aut Yang, Xiaoli verfasserin aut Xu, Kaihua verfasserin aut Wang, Chunran verfasserin aut Zhang, Kun verfasserin aut Li, Wenbin verfasserin aut Li, Xifei verfasserin (orcid)0000-0002-4828-4183 aut Enthalten in Journal of colloid and interface science Amsterdam [u.a.] : Elsevier, 1966 652, Seite 305-316 Online-Ressource (DE-627)266891136 (DE-600)1469021-4 (DE-576)103373160 1095-7103 nnns volume:652 pages:305-316 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2411 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.18 Kolloidchemie Grenzflächenchemie VZ AR 652 305-316 |
| allfields_unstemmed |
10.1016/j.jcis.2023.08.084 doi (DE-627)ELV064901556 (ELSEVIER)S0021-9797(23)01567-9 DE-627 ger DE-627 rda eng 540 VZ 35.18 bkl Xu, Yuhui verfasserin aut Oxygen vacancies in MnO 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier MnO2 cathode materials have presented challenges due to their poor conductivity, unstable structure, and sluggish diffusion kinetics for aqueous zinc-ion batteries (AZIBs). In this study, a nanostructured MnOx cathode material was synthesized using an acid etching method, Which introduced abundant Mn(III) sites, resulting in the formation of numerous oxygen vacancies. Comprehensive characterizations revealed that these oxygen vacancies facilitated the reversible adsorption/desorption of Zn2+ ions and promoted efficient electron transfer. In addition, the designed mesoporous structure offered ample active sites and shortened the diffusion path for Zn2+ and H+ ions. Consequently, the nanosized MnOx cathode exhibited enhanced reaction kinetics, achieving a considerable reversible specific capacity of 388.7 mAh/g at 0.1 A/g and superior durability with 72.0% capacity retention over 2000 cycles at 3.0 A/g. The material delivered a maximum energy density of 639.7 Wh kg−1 at 159.94 W kg−1. Furthermore, a systematic analysis of the zinc storage mechanism was performed. This work demonstrates that engineering oxygen vacancies with nanostructure regulation provides valuable insights into optimizing MnO2 cathode materials for AZIBs. Mn(III) site Oxygen vacancy Mesoporous structure Manganese oxide Zinc storage mechanism Zhang, Gaini verfasserin aut Zhang, Jianhua verfasserin aut Wang, Xiaoxue verfasserin aut Wang, Jingjing verfasserin aut Jia, Shuting verfasserin aut Yuan, Yitong verfasserin (orcid)0000-0001-5678-333X aut Yang, Xiaoli verfasserin aut Xu, Kaihua verfasserin aut Wang, Chunran verfasserin aut Zhang, Kun verfasserin aut Li, Wenbin verfasserin aut Li, Xifei verfasserin (orcid)0000-0002-4828-4183 aut Enthalten in Journal of colloid and interface science Amsterdam [u.a.] : Elsevier, 1966 652, Seite 305-316 Online-Ressource (DE-627)266891136 (DE-600)1469021-4 (DE-576)103373160 1095-7103 nnns volume:652 pages:305-316 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2411 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.18 Kolloidchemie Grenzflächenchemie VZ AR 652 305-316 |
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10.1016/j.jcis.2023.08.084 doi (DE-627)ELV064901556 (ELSEVIER)S0021-9797(23)01567-9 DE-627 ger DE-627 rda eng 540 VZ 35.18 bkl Xu, Yuhui verfasserin aut Oxygen vacancies in MnO 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier MnO2 cathode materials have presented challenges due to their poor conductivity, unstable structure, and sluggish diffusion kinetics for aqueous zinc-ion batteries (AZIBs). In this study, a nanostructured MnOx cathode material was synthesized using an acid etching method, Which introduced abundant Mn(III) sites, resulting in the formation of numerous oxygen vacancies. Comprehensive characterizations revealed that these oxygen vacancies facilitated the reversible adsorption/desorption of Zn2+ ions and promoted efficient electron transfer. In addition, the designed mesoporous structure offered ample active sites and shortened the diffusion path for Zn2+ and H+ ions. Consequently, the nanosized MnOx cathode exhibited enhanced reaction kinetics, achieving a considerable reversible specific capacity of 388.7 mAh/g at 0.1 A/g and superior durability with 72.0% capacity retention over 2000 cycles at 3.0 A/g. The material delivered a maximum energy density of 639.7 Wh kg−1 at 159.94 W kg−1. Furthermore, a systematic analysis of the zinc storage mechanism was performed. This work demonstrates that engineering oxygen vacancies with nanostructure regulation provides valuable insights into optimizing MnO2 cathode materials for AZIBs. Mn(III) site Oxygen vacancy Mesoporous structure Manganese oxide Zinc storage mechanism Zhang, Gaini verfasserin aut Zhang, Jianhua verfasserin aut Wang, Xiaoxue verfasserin aut Wang, Jingjing verfasserin aut Jia, Shuting verfasserin aut Yuan, Yitong verfasserin (orcid)0000-0001-5678-333X aut Yang, Xiaoli verfasserin aut Xu, Kaihua verfasserin aut Wang, Chunran verfasserin aut Zhang, Kun verfasserin aut Li, Wenbin verfasserin aut Li, Xifei verfasserin (orcid)0000-0002-4828-4183 aut Enthalten in Journal of colloid and interface science Amsterdam [u.a.] : Elsevier, 1966 652, Seite 305-316 Online-Ressource (DE-627)266891136 (DE-600)1469021-4 (DE-576)103373160 1095-7103 nnns volume:652 pages:305-316 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2411 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.18 Kolloidchemie Grenzflächenchemie VZ AR 652 305-316 |
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10.1016/j.jcis.2023.08.084 doi (DE-627)ELV064901556 (ELSEVIER)S0021-9797(23)01567-9 DE-627 ger DE-627 rda eng 540 VZ 35.18 bkl Xu, Yuhui verfasserin aut Oxygen vacancies in MnO 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier MnO2 cathode materials have presented challenges due to their poor conductivity, unstable structure, and sluggish diffusion kinetics for aqueous zinc-ion batteries (AZIBs). In this study, a nanostructured MnOx cathode material was synthesized using an acid etching method, Which introduced abundant Mn(III) sites, resulting in the formation of numerous oxygen vacancies. Comprehensive characterizations revealed that these oxygen vacancies facilitated the reversible adsorption/desorption of Zn2+ ions and promoted efficient electron transfer. In addition, the designed mesoporous structure offered ample active sites and shortened the diffusion path for Zn2+ and H+ ions. Consequently, the nanosized MnOx cathode exhibited enhanced reaction kinetics, achieving a considerable reversible specific capacity of 388.7 mAh/g at 0.1 A/g and superior durability with 72.0% capacity retention over 2000 cycles at 3.0 A/g. The material delivered a maximum energy density of 639.7 Wh kg−1 at 159.94 W kg−1. Furthermore, a systematic analysis of the zinc storage mechanism was performed. This work demonstrates that engineering oxygen vacancies with nanostructure regulation provides valuable insights into optimizing MnO2 cathode materials for AZIBs. Mn(III) site Oxygen vacancy Mesoporous structure Manganese oxide Zinc storage mechanism Zhang, Gaini verfasserin aut Zhang, Jianhua verfasserin aut Wang, Xiaoxue verfasserin aut Wang, Jingjing verfasserin aut Jia, Shuting verfasserin aut Yuan, Yitong verfasserin (orcid)0000-0001-5678-333X aut Yang, Xiaoli verfasserin aut Xu, Kaihua verfasserin aut Wang, Chunran verfasserin aut Zhang, Kun verfasserin aut Li, Wenbin verfasserin aut Li, Xifei verfasserin (orcid)0000-0002-4828-4183 aut Enthalten in Journal of colloid and interface science Amsterdam [u.a.] : Elsevier, 1966 652, Seite 305-316 Online-Ressource (DE-627)266891136 (DE-600)1469021-4 (DE-576)103373160 1095-7103 nnns volume:652 pages:305-316 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2411 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.18 Kolloidchemie Grenzflächenchemie VZ AR 652 305-316 |
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Enthalten in Journal of colloid and interface science 652, Seite 305-316 volume:652 pages:305-316 |
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Xu, Yuhui @@aut@@ Zhang, Gaini @@aut@@ Zhang, Jianhua @@aut@@ Wang, Xiaoxue @@aut@@ Wang, Jingjing @@aut@@ Jia, Shuting @@aut@@ Yuan, Yitong @@aut@@ Yang, Xiaoli @@aut@@ Xu, Kaihua @@aut@@ Wang, Chunran @@aut@@ Zhang, Kun @@aut@@ Li, Wenbin @@aut@@ Li, Xifei @@aut@@ |
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2023-01-01T00:00:00Z |
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Xu, Yuhui |
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540 VZ 35.18 bkl Oxygen vacancies in MnO Mn(III) site Oxygen vacancy Mesoporous structure Manganese oxide Zinc storage mechanism |
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ddc 540 bkl 35.18 misc Mn(III) site misc Oxygen vacancy misc Mesoporous structure misc Manganese oxide misc Zinc storage mechanism |
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Oxygen vacancies in MnO |
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Oxygen vacancies in MnO |
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Xu, Yuhui Zhang, Gaini Zhang, Jianhua Wang, Xiaoxue Wang, Jingjing Jia, Shuting Yuan, Yitong Yang, Xiaoli Xu, Kaihua Wang, Chunran Zhang, Kun Li, Wenbin Li, Xifei |
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Oxygen vacancies in MnO |
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MnO2 cathode materials have presented challenges due to their poor conductivity, unstable structure, and sluggish diffusion kinetics for aqueous zinc-ion batteries (AZIBs). In this study, a nanostructured MnOx cathode material was synthesized using an acid etching method, Which introduced abundant Mn(III) sites, resulting in the formation of numerous oxygen vacancies. Comprehensive characterizations revealed that these oxygen vacancies facilitated the reversible adsorption/desorption of Zn2+ ions and promoted efficient electron transfer. In addition, the designed mesoporous structure offered ample active sites and shortened the diffusion path for Zn2+ and H+ ions. Consequently, the nanosized MnOx cathode exhibited enhanced reaction kinetics, achieving a considerable reversible specific capacity of 388.7 mAh/g at 0.1 A/g and superior durability with 72.0% capacity retention over 2000 cycles at 3.0 A/g. The material delivered a maximum energy density of 639.7 Wh kg−1 at 159.94 W kg−1. Furthermore, a systematic analysis of the zinc storage mechanism was performed. This work demonstrates that engineering oxygen vacancies with nanostructure regulation provides valuable insights into optimizing MnO2 cathode materials for AZIBs. |
| abstractGer |
MnO2 cathode materials have presented challenges due to their poor conductivity, unstable structure, and sluggish diffusion kinetics for aqueous zinc-ion batteries (AZIBs). In this study, a nanostructured MnOx cathode material was synthesized using an acid etching method, Which introduced abundant Mn(III) sites, resulting in the formation of numerous oxygen vacancies. Comprehensive characterizations revealed that these oxygen vacancies facilitated the reversible adsorption/desorption of Zn2+ ions and promoted efficient electron transfer. In addition, the designed mesoporous structure offered ample active sites and shortened the diffusion path for Zn2+ and H+ ions. Consequently, the nanosized MnOx cathode exhibited enhanced reaction kinetics, achieving a considerable reversible specific capacity of 388.7 mAh/g at 0.1 A/g and superior durability with 72.0% capacity retention over 2000 cycles at 3.0 A/g. The material delivered a maximum energy density of 639.7 Wh kg−1 at 159.94 W kg−1. Furthermore, a systematic analysis of the zinc storage mechanism was performed. This work demonstrates that engineering oxygen vacancies with nanostructure regulation provides valuable insights into optimizing MnO2 cathode materials for AZIBs. |
| abstract_unstemmed |
MnO2 cathode materials have presented challenges due to their poor conductivity, unstable structure, and sluggish diffusion kinetics for aqueous zinc-ion batteries (AZIBs). In this study, a nanostructured MnOx cathode material was synthesized using an acid etching method, Which introduced abundant Mn(III) sites, resulting in the formation of numerous oxygen vacancies. Comprehensive characterizations revealed that these oxygen vacancies facilitated the reversible adsorption/desorption of Zn2+ ions and promoted efficient electron transfer. In addition, the designed mesoporous structure offered ample active sites and shortened the diffusion path for Zn2+ and H+ ions. Consequently, the nanosized MnOx cathode exhibited enhanced reaction kinetics, achieving a considerable reversible specific capacity of 388.7 mAh/g at 0.1 A/g and superior durability with 72.0% capacity retention over 2000 cycles at 3.0 A/g. The material delivered a maximum energy density of 639.7 Wh kg−1 at 159.94 W kg−1. Furthermore, a systematic analysis of the zinc storage mechanism was performed. This work demonstrates that engineering oxygen vacancies with nanostructure regulation provides valuable insights into optimizing MnO2 cathode materials for AZIBs. |
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| title_short |
Oxygen vacancies in MnO |
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Zhang, Gaini Zhang, Jianhua Wang, Xiaoxue Wang, Jingjing Jia, Shuting Yuan, Yitong Yang, Xiaoli Xu, Kaihua Wang, Chunran Zhang, Kun Li, Wenbin Li, Xifei |
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