Non-noble-metal electrocatalysts for oxygen evolution reaction toward seawater splitting: A review
The direct electrolytic splitting of abundant seawater instead of scarce freshwater is an ideal strategy for producing clean and renewable hydrogen (H2) fuels. The oxygen evolution reaction (OER) is a vital half-reaction that occurs during electrochemical seawater splitting. However, OER suffers fro...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co., Ltd.
2023-07-01
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| Series: | ChemPhysMater |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2772571522000626 |
| _version_ | 1797777418466885632 |
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| author | Zhengguang Qin Wenxian Liu Wenbin Que Jinxiu Feng Wenhui Shi Fangfang Wu Xiehong Cao |
| author_facet | Zhengguang Qin Wenxian Liu Wenbin Que Jinxiu Feng Wenhui Shi Fangfang Wu Xiehong Cao |
| author_sort | Zhengguang Qin |
| collection | DOAJ |
| description | The direct electrolytic splitting of abundant seawater instead of scarce freshwater is an ideal strategy for producing clean and renewable hydrogen (H2) fuels. The oxygen evolution reaction (OER) is a vital half-reaction that occurs during electrochemical seawater splitting. However, OER suffers from sluggish four-electron transfer kinetics and competitive chlorine evolution reactions in seawater. Noble metal-based catalysts such as IrO2 and RuO2 are considered to have state-of-the-art OER electrocatalytic activity, but the low reserves and high prices of these noble metals significantly limit their large-scale application. Recently, efforts have been made to explore efficient, robust, and anti-chlorine-corrosion non-noble-metal OER electrocatalysts for seawater splitting such as oxides, hydroxides, phosphides, nitrides, chalcogenides, alloys, and composites. An in-depth understanding of the fundamentals of seawater electrolysis and the design principle of electrode materials is important for promoting seawater-splitting technology. In this review, we first introduce fundamental reactions in seawater electrolytes. Subsequently, construction strategies for OER electrocatalysts for seawater splitting are introduced. Finally, present challenges and perspectives regarding non-noble-metal OER electrocatalysts for commercial H2 production by seawater splitting are discussed. |
| first_indexed | 2024-03-12T23:04:42Z |
| format | Article |
| id | doaj.art-72a6587a244f4381a282149437c763fc |
| institution | Directory Open Access Journal |
| issn | 2772-5715 |
| language | English |
| last_indexed | 2024-03-12T23:04:42Z |
| publishDate | 2023-07-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | ChemPhysMater |
| spelling | doaj.art-72a6587a244f4381a282149437c763fc2023-07-19T04:24:04ZengKeAi Communications Co., Ltd.ChemPhysMater2772-57152023-07-0123185196Non-noble-metal electrocatalysts for oxygen evolution reaction toward seawater splitting: A reviewZhengguang Qin0Wenxian Liu1Wenbin Que2Jinxiu Feng3Wenhui Shi4Fangfang Wu5Xiehong Cao6College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, ChinaCollege of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China; Corresponding authors.College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, ChinaCollege of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, ChinaCenter for Membrane and Water Science & Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, ChinaCollege of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, ChinaCollege of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China; Corresponding authors.The direct electrolytic splitting of abundant seawater instead of scarce freshwater is an ideal strategy for producing clean and renewable hydrogen (H2) fuels. The oxygen evolution reaction (OER) is a vital half-reaction that occurs during electrochemical seawater splitting. However, OER suffers from sluggish four-electron transfer kinetics and competitive chlorine evolution reactions in seawater. Noble metal-based catalysts such as IrO2 and RuO2 are considered to have state-of-the-art OER electrocatalytic activity, but the low reserves and high prices of these noble metals significantly limit their large-scale application. Recently, efforts have been made to explore efficient, robust, and anti-chlorine-corrosion non-noble-metal OER electrocatalysts for seawater splitting such as oxides, hydroxides, phosphides, nitrides, chalcogenides, alloys, and composites. An in-depth understanding of the fundamentals of seawater electrolysis and the design principle of electrode materials is important for promoting seawater-splitting technology. In this review, we first introduce fundamental reactions in seawater electrolytes. Subsequently, construction strategies for OER electrocatalysts for seawater splitting are introduced. Finally, present challenges and perspectives regarding non-noble-metal OER electrocatalysts for commercial H2 production by seawater splitting are discussed.http://www.sciencedirect.com/science/article/pii/S2772571522000626Non-noble metalsOER electrocatalystSeawater splittingChlorine evolution reactions |
| spellingShingle | Zhengguang Qin Wenxian Liu Wenbin Que Jinxiu Feng Wenhui Shi Fangfang Wu Xiehong Cao Non-noble-metal electrocatalysts for oxygen evolution reaction toward seawater splitting: A review ChemPhysMater Non-noble metals OER electrocatalyst Seawater splitting Chlorine evolution reactions |
| title | Non-noble-metal electrocatalysts for oxygen evolution reaction toward seawater splitting: A review |
| title_full | Non-noble-metal electrocatalysts for oxygen evolution reaction toward seawater splitting: A review |
| title_fullStr | Non-noble-metal electrocatalysts for oxygen evolution reaction toward seawater splitting: A review |
| title_full_unstemmed | Non-noble-metal electrocatalysts for oxygen evolution reaction toward seawater splitting: A review |
| title_short | Non-noble-metal electrocatalysts for oxygen evolution reaction toward seawater splitting: A review |
| title_sort | non noble metal electrocatalysts for oxygen evolution reaction toward seawater splitting a review |
| topic | Non-noble metals OER electrocatalyst Seawater splitting Chlorine evolution reactions |
| url | http://www.sciencedirect.com/science/article/pii/S2772571522000626 |
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