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Screening potential anodic chemistry in lieu of the oxygen evolution reaction in electrolysis systems: the road to practical application
Energy & Environmental Science ( IF 32.4 ) Pub Date : 2023-10-09 , DOI: 10.1039/d3ee02767h Hongwu Chen 1 , Zhifang Liu 2 , Hua Zhou 3 , Xue Yang 1 , Wei Lin 1
Energy & Environmental Science ( IF 32.4 ) Pub Date : 2023-10-09 , DOI: 10.1039/d3ee02767h Hongwu Chen 1 , Zhifang Liu 2 , Hua Zhou 3 , Xue Yang 1 , Wei Lin 1
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Electrolysis systems transform electrical energy to chemical energy, providing a pathway for renewable electricity power to value-added chemicals. A wide range of cathodic electrochemical reactions, including hydrogen evolution reaction, electrochemical reduction of carbon dioxide, and electrochemical hydrogenation of organic compounds, are explored for the production of chemicals using electrolysis systems. However, the anodic reaction normally coupled in the system—the oxygen evolution reaction, is less economically profitable based on the high energy consumption of the reaction and less valuable oxygen produced. Moreover, the crossover of oxygen may be detrimental to electrolytic systems sensitive to oxidants. As such, discovering potential alternative anodic chemistry in electrolysis systems, which includes the upgrading of chemicals and degradation of pollutants, may reinvigorate the associated electrochemical industries. In this perspective, explorations in this field are discussed predicated on the electrocatalytic mechanism, and the design of catalysts and reactors, motivating further studies on the optimization of the whole system towards practical application.
中文翻译：
筛选替代电解系统中析氧反应的潜在阳极化学：实际应用之路
电解系统将电能转化为化学能，为可再生电力转化为增值化学品提供了途径。人们探索了利用电解系统生产化学品的各种阴极电化学反应，包括析氢反应、二氧化碳的电化学还原和有机化合物的电化学氢化。然而，系统中通常耦合的阳极反应——析氧反应，由于反应能耗高且产生的氧气价值较低，经济利润较低。此外，氧的交叉可能对对氧化剂敏感的电解系统有害。因此，在电解系统中发现潜在的替代阳极化学，包括化学品的升级和污染物的降解，可能会重振相关的电化学行业。从这个角度来看，该领域的探索以电催化机理、催化剂和反应器的设计为基础进行讨论，推动整个系统优化的进一步研究以实现实际应用。
更新日期：2023-10-09
中文翻译：
筛选替代电解系统中析氧反应的潜在阳极化学：实际应用之路
电解系统将电能转化为化学能，为可再生电力转化为增值化学品提供了途径。人们探索了利用电解系统生产化学品的各种阴极电化学反应，包括析氢反应、二氧化碳的电化学还原和有机化合物的电化学氢化。然而，系统中通常耦合的阳极反应——析氧反应，由于反应能耗高且产生的氧气价值较低，经济利润较低。此外，氧的交叉可能对对氧化剂敏感的电解系统有害。因此，在电解系统中发现潜在的替代阳极化学，包括化学品的升级和污染物的降解，可能会重振相关的电化学行业。从这个角度来看，该领域的探索以电催化机理、催化剂和反应器的设计为基础进行讨论，推动整个系统优化的进一步研究以实现实际应用。
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