Innovative strategies toward challenges in PV-powered electrochemical CO2 reduction

• 作者: Siraj Sultan Jin Hyun Kim SeungHyeon Kim Youngkook Kwon Jae Sung Lee
• 来源期刊: 能源化学
• 年，卷（期）: 2021,（9）
• 页码范围: 410-416
• 页数: 7页
• 语种: 英文

摘要

The solar energy-driven electrochemical CO2 reduction to value-added fuels or chemicals is considered as an attractive path to store renewable energy in the form of chemical energy to close the carbon cycle.However,CO2 reduction suffers from a number of challenges including slow reaction rates,low selectiv-ity,and low energy conversion efficiency.Recently,innovative strategies have been developed to mitigate this challenges.Especially the development of flow cell reactors with a gas diffusion electrode,ionic liq-uid electrolytes,and new electrocatalysts have dramatically improved the reaction rates and selectivity to desired products.In this perspective,we highlight the key recent developments and challenges in PV-powered electrochemical CO2 reduction and propose effective strategies to improve the reaction kinetics,to minimize the electrical energy losses,and to tune the selectivity of the catalysts for desired products,and then suggest future direction of research and development.