Fabrication of Hierarchically Porous Titanium Membrane Electrode for Highly-Efficient Separation and Degradation of Congo Red Wastewater
Abstract Commercially Ti membrane was chosen as the substrate of electrochemical technique because of its excellent conductivity and oxidation resistivity. However, a sole macroporous structure and low porosity limit reaction efficiency in application of electrochemical reaction. Nowadays, hierarchi...
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| Autor*in: |
Wang, Hong [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020 |
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| Schlagwörter: |
Hierarchically porous titanium membrane |
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| Systematik: |
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| Anmerkung: |
© Springer Science+Business Media, LLC, part of Springer Nature 2020 |
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| Übergeordnetes Werk: |
Enthalten in: Catalysis letters - Springer US, 1988, 151(2020), 4 vom: 03. Sept., Seite 1167-1179 |
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| Übergeordnetes Werk: |
volume:151 ; year:2020 ; number:4 ; day:03 ; month:09 ; pages:1167-1179 |
| Links: |
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| DOI / URN: |
10.1007/s10562-020-03337-2 |
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| Katalog-ID: |
OLC2124528602 |
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| 520 | |a Abstract Commercially Ti membrane was chosen as the substrate of electrochemical technique because of its excellent conductivity and oxidation resistivity. However, a sole macroporous structure and low porosity limit reaction efficiency in application of electrochemical reaction. Nowadays, hierarchically porous structure have attracted interest in catalytic or electrochemical reactions owing to their large surface areas and rich pore channels. Herein, we report a hierarchically porous titanium (Ti) membrane (hp-Ti) with pore sizes mesopores (2–10 nm) and macropores (0.2–50 µm), which was fabricated by a combination of sintering and melt-dealloying processes. The macropores guaranteed an adequate flow rate through the membrane with low pressure, while the mesopores provided an ultrahigh surface area. The hierarchically porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/hp-Ti) by the sol–gel method exhibited better electrochemical properties than the commercially porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/cp-Ti), mainly due to the massive pathways of rapid diffusion, high surface areas, and abundant active sites. Further, $ MnO_{x} $/hp-Ti as the anode constituted an electrocatalytic membrane reactor (ECMR) for congo red wastewater treatment (50–200 mg·$ L^{−1} $). With the same energy consumption (0.654 kW·h·$ m^{−3} $) of ECMR, the removal rate of the total organic carbon (TOC) obtained by ECMR with $ MnO_{x} $/hp-Ti at an optimized condition was up to 80% which was higher than 73.8% of $ MnO_{x} $/cp-Ti. This work offers significant insights into developing new porous membrane electrodes for dye separation and degradation. Graphic Abstract | ||
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| 700 | 1 | |a Li, Jianxin |4 aut | |
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10.1007/s10562-020-03337-2 doi (DE-627)OLC2124528602 (DE-He213)s10562-020-03337-2-p DE-627 ger DE-627 rakwb eng 540 660 VZ VA 2890 VZ rvk Wang, Hong verfasserin aut Fabrication of Hierarchically Porous Titanium Membrane Electrode for Highly-Efficient Separation and Degradation of Congo Red Wastewater 2020 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC, part of Springer Nature 2020 Abstract Commercially Ti membrane was chosen as the substrate of electrochemical technique because of its excellent conductivity and oxidation resistivity. However, a sole macroporous structure and low porosity limit reaction efficiency in application of electrochemical reaction. Nowadays, hierarchically porous structure have attracted interest in catalytic or electrochemical reactions owing to their large surface areas and rich pore channels. Herein, we report a hierarchically porous titanium (Ti) membrane (hp-Ti) with pore sizes mesopores (2–10 nm) and macropores (0.2–50 µm), which was fabricated by a combination of sintering and melt-dealloying processes. The macropores guaranteed an adequate flow rate through the membrane with low pressure, while the mesopores provided an ultrahigh surface area. The hierarchically porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/hp-Ti) by the sol–gel method exhibited better electrochemical properties than the commercially porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/cp-Ti), mainly due to the massive pathways of rapid diffusion, high surface areas, and abundant active sites. Further, $ MnO_{x} $/hp-Ti as the anode constituted an electrocatalytic membrane reactor (ECMR) for congo red wastewater treatment (50–200 mg·$ L^{−1} $). With the same energy consumption (0.654 kW·h·$ m^{−3} $) of ECMR, the removal rate of the total organic carbon (TOC) obtained by ECMR with $ MnO_{x} $/hp-Ti at an optimized condition was up to 80% which was higher than 73.8% of $ MnO_{x} $/cp-Ti. This work offers significant insights into developing new porous membrane electrodes for dye separation and degradation. Graphic Abstract Hierarchically porous titanium membrane Melt-dealloying Electrocatalytic membrane reactor Manganese oxide catalysts Duan, Yalong aut Kang, Jianli aut Hui, Hongsen aut Li, Jianxin aut Enthalten in Catalysis letters Springer US, 1988 151(2020), 4 vom: 03. Sept., Seite 1167-1179 (DE-627)130436550 (DE-600)644234-1 (DE-576)025720724 1011-372X nnns volume:151 year:2020 number:4 day:03 month:09 pages:1167-1179 https://doi.org/10.1007/s10562-020-03337-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE VA 2890 AR 151 2020 4 03 09 1167-1179 |
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10.1007/s10562-020-03337-2 doi (DE-627)OLC2124528602 (DE-He213)s10562-020-03337-2-p DE-627 ger DE-627 rakwb eng 540 660 VZ VA 2890 VZ rvk Wang, Hong verfasserin aut Fabrication of Hierarchically Porous Titanium Membrane Electrode for Highly-Efficient Separation and Degradation of Congo Red Wastewater 2020 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC, part of Springer Nature 2020 Abstract Commercially Ti membrane was chosen as the substrate of electrochemical technique because of its excellent conductivity and oxidation resistivity. However, a sole macroporous structure and low porosity limit reaction efficiency in application of electrochemical reaction. Nowadays, hierarchically porous structure have attracted interest in catalytic or electrochemical reactions owing to their large surface areas and rich pore channels. Herein, we report a hierarchically porous titanium (Ti) membrane (hp-Ti) with pore sizes mesopores (2–10 nm) and macropores (0.2–50 µm), which was fabricated by a combination of sintering and melt-dealloying processes. The macropores guaranteed an adequate flow rate through the membrane with low pressure, while the mesopores provided an ultrahigh surface area. The hierarchically porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/hp-Ti) by the sol–gel method exhibited better electrochemical properties than the commercially porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/cp-Ti), mainly due to the massive pathways of rapid diffusion, high surface areas, and abundant active sites. Further, $ MnO_{x} $/hp-Ti as the anode constituted an electrocatalytic membrane reactor (ECMR) for congo red wastewater treatment (50–200 mg·$ L^{−1} $). With the same energy consumption (0.654 kW·h·$ m^{−3} $) of ECMR, the removal rate of the total organic carbon (TOC) obtained by ECMR with $ MnO_{x} $/hp-Ti at an optimized condition was up to 80% which was higher than 73.8% of $ MnO_{x} $/cp-Ti. This work offers significant insights into developing new porous membrane electrodes for dye separation and degradation. Graphic Abstract Hierarchically porous titanium membrane Melt-dealloying Electrocatalytic membrane reactor Manganese oxide catalysts Duan, Yalong aut Kang, Jianli aut Hui, Hongsen aut Li, Jianxin aut Enthalten in Catalysis letters Springer US, 1988 151(2020), 4 vom: 03. Sept., Seite 1167-1179 (DE-627)130436550 (DE-600)644234-1 (DE-576)025720724 1011-372X nnns volume:151 year:2020 number:4 day:03 month:09 pages:1167-1179 https://doi.org/10.1007/s10562-020-03337-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE VA 2890 AR 151 2020 4 03 09 1167-1179 |
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10.1007/s10562-020-03337-2 doi (DE-627)OLC2124528602 (DE-He213)s10562-020-03337-2-p DE-627 ger DE-627 rakwb eng 540 660 VZ VA 2890 VZ rvk Wang, Hong verfasserin aut Fabrication of Hierarchically Porous Titanium Membrane Electrode for Highly-Efficient Separation and Degradation of Congo Red Wastewater 2020 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC, part of Springer Nature 2020 Abstract Commercially Ti membrane was chosen as the substrate of electrochemical technique because of its excellent conductivity and oxidation resistivity. However, a sole macroporous structure and low porosity limit reaction efficiency in application of electrochemical reaction. Nowadays, hierarchically porous structure have attracted interest in catalytic or electrochemical reactions owing to their large surface areas and rich pore channels. Herein, we report a hierarchically porous titanium (Ti) membrane (hp-Ti) with pore sizes mesopores (2–10 nm) and macropores (0.2–50 µm), which was fabricated by a combination of sintering and melt-dealloying processes. The macropores guaranteed an adequate flow rate through the membrane with low pressure, while the mesopores provided an ultrahigh surface area. The hierarchically porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/hp-Ti) by the sol–gel method exhibited better electrochemical properties than the commercially porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/cp-Ti), mainly due to the massive pathways of rapid diffusion, high surface areas, and abundant active sites. Further, $ MnO_{x} $/hp-Ti as the anode constituted an electrocatalytic membrane reactor (ECMR) for congo red wastewater treatment (50–200 mg·$ L^{−1} $). With the same energy consumption (0.654 kW·h·$ m^{−3} $) of ECMR, the removal rate of the total organic carbon (TOC) obtained by ECMR with $ MnO_{x} $/hp-Ti at an optimized condition was up to 80% which was higher than 73.8% of $ MnO_{x} $/cp-Ti. This work offers significant insights into developing new porous membrane electrodes for dye separation and degradation. Graphic Abstract Hierarchically porous titanium membrane Melt-dealloying Electrocatalytic membrane reactor Manganese oxide catalysts Duan, Yalong aut Kang, Jianli aut Hui, Hongsen aut Li, Jianxin aut Enthalten in Catalysis letters Springer US, 1988 151(2020), 4 vom: 03. Sept., Seite 1167-1179 (DE-627)130436550 (DE-600)644234-1 (DE-576)025720724 1011-372X nnns volume:151 year:2020 number:4 day:03 month:09 pages:1167-1179 https://doi.org/10.1007/s10562-020-03337-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE VA 2890 AR 151 2020 4 03 09 1167-1179 |
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10.1007/s10562-020-03337-2 doi (DE-627)OLC2124528602 (DE-He213)s10562-020-03337-2-p DE-627 ger DE-627 rakwb eng 540 660 VZ VA 2890 VZ rvk Wang, Hong verfasserin aut Fabrication of Hierarchically Porous Titanium Membrane Electrode for Highly-Efficient Separation and Degradation of Congo Red Wastewater 2020 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC, part of Springer Nature 2020 Abstract Commercially Ti membrane was chosen as the substrate of electrochemical technique because of its excellent conductivity and oxidation resistivity. However, a sole macroporous structure and low porosity limit reaction efficiency in application of electrochemical reaction. Nowadays, hierarchically porous structure have attracted interest in catalytic or electrochemical reactions owing to their large surface areas and rich pore channels. Herein, we report a hierarchically porous titanium (Ti) membrane (hp-Ti) with pore sizes mesopores (2–10 nm) and macropores (0.2–50 µm), which was fabricated by a combination of sintering and melt-dealloying processes. The macropores guaranteed an adequate flow rate through the membrane with low pressure, while the mesopores provided an ultrahigh surface area. The hierarchically porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/hp-Ti) by the sol–gel method exhibited better electrochemical properties than the commercially porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/cp-Ti), mainly due to the massive pathways of rapid diffusion, high surface areas, and abundant active sites. Further, $ MnO_{x} $/hp-Ti as the anode constituted an electrocatalytic membrane reactor (ECMR) for congo red wastewater treatment (50–200 mg·$ L^{−1} $). With the same energy consumption (0.654 kW·h·$ m^{−3} $) of ECMR, the removal rate of the total organic carbon (TOC) obtained by ECMR with $ MnO_{x} $/hp-Ti at an optimized condition was up to 80% which was higher than 73.8% of $ MnO_{x} $/cp-Ti. This work offers significant insights into developing new porous membrane electrodes for dye separation and degradation. Graphic Abstract Hierarchically porous titanium membrane Melt-dealloying Electrocatalytic membrane reactor Manganese oxide catalysts Duan, Yalong aut Kang, Jianli aut Hui, Hongsen aut Li, Jianxin aut Enthalten in Catalysis letters Springer US, 1988 151(2020), 4 vom: 03. Sept., Seite 1167-1179 (DE-627)130436550 (DE-600)644234-1 (DE-576)025720724 1011-372X nnns volume:151 year:2020 number:4 day:03 month:09 pages:1167-1179 https://doi.org/10.1007/s10562-020-03337-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE VA 2890 AR 151 2020 4 03 09 1167-1179 |
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10.1007/s10562-020-03337-2 doi (DE-627)OLC2124528602 (DE-He213)s10562-020-03337-2-p DE-627 ger DE-627 rakwb eng 540 660 VZ VA 2890 VZ rvk Wang, Hong verfasserin aut Fabrication of Hierarchically Porous Titanium Membrane Electrode for Highly-Efficient Separation and Degradation of Congo Red Wastewater 2020 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC, part of Springer Nature 2020 Abstract Commercially Ti membrane was chosen as the substrate of electrochemical technique because of its excellent conductivity and oxidation resistivity. However, a sole macroporous structure and low porosity limit reaction efficiency in application of electrochemical reaction. Nowadays, hierarchically porous structure have attracted interest in catalytic or electrochemical reactions owing to their large surface areas and rich pore channels. Herein, we report a hierarchically porous titanium (Ti) membrane (hp-Ti) with pore sizes mesopores (2–10 nm) and macropores (0.2–50 µm), which was fabricated by a combination of sintering and melt-dealloying processes. The macropores guaranteed an adequate flow rate through the membrane with low pressure, while the mesopores provided an ultrahigh surface area. The hierarchically porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/hp-Ti) by the sol–gel method exhibited better electrochemical properties than the commercially porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/cp-Ti), mainly due to the massive pathways of rapid diffusion, high surface areas, and abundant active sites. Further, $ MnO_{x} $/hp-Ti as the anode constituted an electrocatalytic membrane reactor (ECMR) for congo red wastewater treatment (50–200 mg·$ L^{−1} $). With the same energy consumption (0.654 kW·h·$ m^{−3} $) of ECMR, the removal rate of the total organic carbon (TOC) obtained by ECMR with $ MnO_{x} $/hp-Ti at an optimized condition was up to 80% which was higher than 73.8% of $ MnO_{x} $/cp-Ti. This work offers significant insights into developing new porous membrane electrodes for dye separation and degradation. Graphic Abstract Hierarchically porous titanium membrane Melt-dealloying Electrocatalytic membrane reactor Manganese oxide catalysts Duan, Yalong aut Kang, Jianli aut Hui, Hongsen aut Li, Jianxin aut Enthalten in Catalysis letters Springer US, 1988 151(2020), 4 vom: 03. Sept., Seite 1167-1179 (DE-627)130436550 (DE-600)644234-1 (DE-576)025720724 1011-372X nnns volume:151 year:2020 number:4 day:03 month:09 pages:1167-1179 https://doi.org/10.1007/s10562-020-03337-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE VA 2890 AR 151 2020 4 03 09 1167-1179 |
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fabrication of hierarchically porous titanium membrane electrode for highly-efficient separation and degradation of congo red wastewater |
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Fabrication of Hierarchically Porous Titanium Membrane Electrode for Highly-Efficient Separation and Degradation of Congo Red Wastewater |
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Abstract Commercially Ti membrane was chosen as the substrate of electrochemical technique because of its excellent conductivity and oxidation resistivity. However, a sole macroporous structure and low porosity limit reaction efficiency in application of electrochemical reaction. Nowadays, hierarchically porous structure have attracted interest in catalytic or electrochemical reactions owing to their large surface areas and rich pore channels. Herein, we report a hierarchically porous titanium (Ti) membrane (hp-Ti) with pore sizes mesopores (2–10 nm) and macropores (0.2–50 µm), which was fabricated by a combination of sintering and melt-dealloying processes. The macropores guaranteed an adequate flow rate through the membrane with low pressure, while the mesopores provided an ultrahigh surface area. The hierarchically porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/hp-Ti) by the sol–gel method exhibited better electrochemical properties than the commercially porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/cp-Ti), mainly due to the massive pathways of rapid diffusion, high surface areas, and abundant active sites. Further, $ MnO_{x} $/hp-Ti as the anode constituted an electrocatalytic membrane reactor (ECMR) for congo red wastewater treatment (50–200 mg·$ L^{−1} $). With the same energy consumption (0.654 kW·h·$ m^{−3} $) of ECMR, the removal rate of the total organic carbon (TOC) obtained by ECMR with $ MnO_{x} $/hp-Ti at an optimized condition was up to 80% which was higher than 73.8% of $ MnO_{x} $/cp-Ti. This work offers significant insights into developing new porous membrane electrodes for dye separation and degradation. Graphic Abstract © Springer Science+Business Media, LLC, part of Springer Nature 2020 |
| abstractGer |
Abstract Commercially Ti membrane was chosen as the substrate of electrochemical technique because of its excellent conductivity and oxidation resistivity. However, a sole macroporous structure and low porosity limit reaction efficiency in application of electrochemical reaction. Nowadays, hierarchically porous structure have attracted interest in catalytic or electrochemical reactions owing to their large surface areas and rich pore channels. Herein, we report a hierarchically porous titanium (Ti) membrane (hp-Ti) with pore sizes mesopores (2–10 nm) and macropores (0.2–50 µm), which was fabricated by a combination of sintering and melt-dealloying processes. The macropores guaranteed an adequate flow rate through the membrane with low pressure, while the mesopores provided an ultrahigh surface area. The hierarchically porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/hp-Ti) by the sol–gel method exhibited better electrochemical properties than the commercially porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/cp-Ti), mainly due to the massive pathways of rapid diffusion, high surface areas, and abundant active sites. Further, $ MnO_{x} $/hp-Ti as the anode constituted an electrocatalytic membrane reactor (ECMR) for congo red wastewater treatment (50–200 mg·$ L^{−1} $). With the same energy consumption (0.654 kW·h·$ m^{−3} $) of ECMR, the removal rate of the total organic carbon (TOC) obtained by ECMR with $ MnO_{x} $/hp-Ti at an optimized condition was up to 80% which was higher than 73.8% of $ MnO_{x} $/cp-Ti. This work offers significant insights into developing new porous membrane electrodes for dye separation and degradation. Graphic Abstract © Springer Science+Business Media, LLC, part of Springer Nature 2020 |
| abstract_unstemmed |
Abstract Commercially Ti membrane was chosen as the substrate of electrochemical technique because of its excellent conductivity and oxidation resistivity. However, a sole macroporous structure and low porosity limit reaction efficiency in application of electrochemical reaction. Nowadays, hierarchically porous structure have attracted interest in catalytic or electrochemical reactions owing to their large surface areas and rich pore channels. Herein, we report a hierarchically porous titanium (Ti) membrane (hp-Ti) with pore sizes mesopores (2–10 nm) and macropores (0.2–50 µm), which was fabricated by a combination of sintering and melt-dealloying processes. The macropores guaranteed an adequate flow rate through the membrane with low pressure, while the mesopores provided an ultrahigh surface area. The hierarchically porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/hp-Ti) by the sol–gel method exhibited better electrochemical properties than the commercially porous Ti membrane with nano-$ MnO_{x} $ loaded ($ MnO_{x} $/cp-Ti), mainly due to the massive pathways of rapid diffusion, high surface areas, and abundant active sites. Further, $ MnO_{x} $/hp-Ti as the anode constituted an electrocatalytic membrane reactor (ECMR) for congo red wastewater treatment (50–200 mg·$ L^{−1} $). With the same energy consumption (0.654 kW·h·$ m^{−3} $) of ECMR, the removal rate of the total organic carbon (TOC) obtained by ECMR with $ MnO_{x} $/hp-Ti at an optimized condition was up to 80% which was higher than 73.8% of $ MnO_{x} $/cp-Ti. This work offers significant insights into developing new porous membrane electrodes for dye separation and degradation. Graphic Abstract © Springer Science+Business Media, LLC, part of Springer Nature 2020 |
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