Critical factors to inhibit water‐splitting side reaction in carbon‐based electrode materials for zinc metal anodes
Abstract Zinc metal anodes (ZMA) have high theoretical capacities (820 mAh g−1 and 5855 mAh cm−3) and redox potential (−0.76 V vs. standard hydrogen electrode), similar to the electrochemical voltage window of the hydrogen evolution reaction (HER) in a mild acidic electrolyte system, facilitating aq...
| Main Authors: | , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2022-11-01
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| Series: | Carbon Energy |
| Subjects: | |
| Online Access: | https://doi.org/10.1002/cey2.254 |
| _version_ | 1811211280457924608 |
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| author | Dong Hyuk Kang Eunji Lee Beom Sik Youn Son Ha Jong Chan Hyun Juhee Yoon Dawon Jang Kyoung Sun Kim Hyungsub Kim Sang Moon Lee Sungho Lee Hyoung‐Joon Jin Hyung‐Kyu Lim Young Soo Yun |
| author_facet | Dong Hyuk Kang Eunji Lee Beom Sik Youn Son Ha Jong Chan Hyun Juhee Yoon Dawon Jang Kyoung Sun Kim Hyungsub Kim Sang Moon Lee Sungho Lee Hyoung‐Joon Jin Hyung‐Kyu Lim Young Soo Yun |
| author_sort | Dong Hyuk Kang |
| collection | DOAJ |
| description | Abstract Zinc metal anodes (ZMA) have high theoretical capacities (820 mAh g−1 and 5855 mAh cm−3) and redox potential (−0.76 V vs. standard hydrogen electrode), similar to the electrochemical voltage window of the hydrogen evolution reaction (HER) in a mild acidic electrolyte system, facilitating aqueous zinc batteries competitive in next‐generation energy storage devices. However, the HER and byproduct formation effectuated by water‐splitting deteriorate the electrochemical performance of ZMA, limiting their application. In this study, a key factor in promoting the HER in carbon‐based electrode materials (CEMs), which can provide a larger active surface area and guide uniform zinc metal deposition, was investigated using a series of three‐dimensional structured templating carbon electrodes (3D‐TCEs) with different local graphitic orderings, pore structures, and surface properties. The ultramicropores of CEMs are the determining critical factors in initiating HER and clogging active surfaces by Zn(OH)2 byproduct formation, through a systematic comparative study based on the 3D‐TCE series samples. When the 3D‐TCEs had a proper graphitic structure with few ultramicropores, they showed highly stable cycling performances over 2000 cycles with average Coulombic efficiencies of ≥99%. These results suggest that a well‐designed CEM can lead to high‐performance ZMA in aqueous zinc batteries. |
| first_indexed | 2024-04-12T05:11:24Z |
| format | Article |
| id | doaj.art-45ed12ba7080409aadb555650c8082e3 |
| institution | Directory Open Access Journal |
| issn | 2637-9368 |
| language | English |
| last_indexed | 2024-04-12T05:11:24Z |
| publishDate | 2022-11-01 |
| publisher | Wiley |
| record_format | Article |
| series | Carbon Energy |
| spelling | doaj.art-45ed12ba7080409aadb555650c8082e32022-12-22T03:46:45ZengWileyCarbon Energy2637-93682022-11-01461080109210.1002/cey2.254Critical factors to inhibit water‐splitting side reaction in carbon‐based electrode materials for zinc metal anodesDong Hyuk Kang0Eunji Lee1Beom Sik Youn2Son Ha3Jong Chan Hyun4Juhee Yoon5Dawon Jang6Kyoung Sun Kim7Hyungsub Kim8Sang Moon Lee9Sungho Lee10Hyoung‐Joon Jin11Hyung‐Kyu Lim12Young Soo Yun13KU‐KIST Graduate School of Converging Science and Technology Korea University Seoul Seongbuk‐gu South KoreaKU‐KIST Graduate School of Converging Science and Technology Korea University Seoul Seongbuk‐gu South KoreaDivision of Chemical Engineering and Bioengineering Kangwon National University Chuncheon Gangwon‐do South KoreaKU‐KIST Graduate School of Converging Science and Technology Korea University Seoul Seongbuk‐gu South KoreaKU‐KIST Graduate School of Converging Science and Technology Korea University Seoul Seongbuk‐gu South KoreaDepartment of Eco‐Polymer Science and Engineering Inha University Incheon Michuhol‐gu South KoreaCarbon Composite Materials Research Center, Institute of Advanced Composite Materials Korea Institute of Science and Technology (KIST) Jeollabuk‐do South KoreaDepartment of Chemical and Biological Engineering Korea University Seoul Seongbuk‐gu South KoreaNeutron Science Division Korea Atomic Energy Research Institute (KAERI) Daejeon Yuseong‐gu South KoreaResearch Center for Materials Analysis Korea Basic Science Institute (KBSI) Daejeon Yuseong‐gu South KoreaCarbon Composite Materials Research Center, Institute of Advanced Composite Materials Korea Institute of Science and Technology (KIST) Jeollabuk‐do South KoreaDepartment of Eco‐Polymer Science and Engineering Inha University Incheon Michuhol‐gu South KoreaDivision of Chemical Engineering and Bioengineering Kangwon National University Chuncheon Gangwon‐do South KoreaKU‐KIST Graduate School of Converging Science and Technology Korea University Seoul Seongbuk‐gu South KoreaAbstract Zinc metal anodes (ZMA) have high theoretical capacities (820 mAh g−1 and 5855 mAh cm−3) and redox potential (−0.76 V vs. standard hydrogen electrode), similar to the electrochemical voltage window of the hydrogen evolution reaction (HER) in a mild acidic electrolyte system, facilitating aqueous zinc batteries competitive in next‐generation energy storage devices. However, the HER and byproduct formation effectuated by water‐splitting deteriorate the electrochemical performance of ZMA, limiting their application. In this study, a key factor in promoting the HER in carbon‐based electrode materials (CEMs), which can provide a larger active surface area and guide uniform zinc metal deposition, was investigated using a series of three‐dimensional structured templating carbon electrodes (3D‐TCEs) with different local graphitic orderings, pore structures, and surface properties. The ultramicropores of CEMs are the determining critical factors in initiating HER and clogging active surfaces by Zn(OH)2 byproduct formation, through a systematic comparative study based on the 3D‐TCE series samples. When the 3D‐TCEs had a proper graphitic structure with few ultramicropores, they showed highly stable cycling performances over 2000 cycles with average Coulombic efficiencies of ≥99%. These results suggest that a well‐designed CEM can lead to high‐performance ZMA in aqueous zinc batteries.https://doi.org/10.1002/cey2.254aqueous batteriescarbon electrodehydrogen evolution reactionmultivalent ionzinc metal anode |
| spellingShingle | Dong Hyuk Kang Eunji Lee Beom Sik Youn Son Ha Jong Chan Hyun Juhee Yoon Dawon Jang Kyoung Sun Kim Hyungsub Kim Sang Moon Lee Sungho Lee Hyoung‐Joon Jin Hyung‐Kyu Lim Young Soo Yun Critical factors to inhibit water‐splitting side reaction in carbon‐based electrode materials for zinc metal anodes Carbon Energy aqueous batteries carbon electrode hydrogen evolution reaction multivalent ion zinc metal anode |
| title | Critical factors to inhibit water‐splitting side reaction in carbon‐based electrode materials for zinc metal anodes |
| title_full | Critical factors to inhibit water‐splitting side reaction in carbon‐based electrode materials for zinc metal anodes |
| title_fullStr | Critical factors to inhibit water‐splitting side reaction in carbon‐based electrode materials for zinc metal anodes |
| title_full_unstemmed | Critical factors to inhibit water‐splitting side reaction in carbon‐based electrode materials for zinc metal anodes |
| title_short | Critical factors to inhibit water‐splitting side reaction in carbon‐based electrode materials for zinc metal anodes |
| title_sort | critical factors to inhibit water splitting side reaction in carbon based electrode materials for zinc metal anodes |
| topic | aqueous batteries carbon electrode hydrogen evolution reaction multivalent ion zinc metal anode |
| url | https://doi.org/10.1002/cey2.254 |
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