石墨烯
二氧化碳电化学还原
材料科学
催化作用
纳米技术
贵金属
电化学
氧化还原
碳纤维
金属
化学工程
电极
化学
复合数
一氧化碳
有机化学
冶金
复合材料
物理化学
工程类
作者
Huawen Hu,Jian Zhen Ou,Xuejun Xu,Yinlei Lin,Yuyuan Zhang,Hong Zhao,Dongchu Chen,Minghui He,Yugang Huang,Lifang Deng
标识
DOI:10.1016/j.cej.2021.130587
摘要
The electrochemical conversion of the greenhouse gas, carbon dioxide (CO2), to energy fuels and value-added chemicals presents one of the most valuable approaches to harvest pollutants and produce renewable energy. However, the stable molecular structure of CO2 and the sluggish reaction kinetics make CO2 reduction reaction (CO2RR) formidably challenging to achieve reaction rate and selectivity practical in industry. Graphene and its derivatives have been considered a group of intriguing materials to develop advanced CO2RR electrocatalysts due to their large specific surface area, remarkable electron transfer ability, superior stability, and easy tunability of the structure and surface properties. Herein, we comprehensively discuss the state-of-the-art electrocatalysts constructed with graphene and derivatives for active and selective CO2RR within the recent five years, mainly including the electrocatalysts with both metal-based (e.g., noble, non-noble, or combined thereof) and non-metal (e.g., doped, modified, defected, or composited) catalytic sites. To present the versatile, high-performance metal-based CO2RR electrocatalysts constructed with graphene, we further subdivide them according to the sizes, oxidation states, metal species synergies, dimensionalities, and versatility. Finally, we provide the challenges and perspectives in this emerging area of utilising CO2 to produce various carbon-based fuels and chemicals via graphene chemistry.
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