title: Metal-CO2Batteries on the Road: CO2from Contamination Gas to Energy Source.
abstract: Rechargeable nonaqueous metal-air batteries attract much attention for their high theoretical energy density, especially in the last decade. However, most reported metal-air batteries are actually operated in a pure O2atmosphere, while CO2and moisture in ambient air can significantly impact the electrochemical performance of metal-O2batteries. In the study of CO2contamination on metal-O2batteries, it has been gradually found that CO2can be utilized as the reactant gas alone; namely, metal-CO2batteries can work. On the other hand, investigations on CO2fixation are in focus due to the potential threat of CO2on global climate change, especially for its steadily increasing concentration in the atmosphere. The exploitation of CO2in energy storage systems represents an alternative approach towards clean recycling and utilization of CO2. Here, the aim is to provide a timely summary of recent achievements in metal-CO2batteries, and inspire new ideas for new energy storage systems. Moreover, critical issues associated with reaction mechanisms and potential directions for future studies are discussed.
authors.affiliation: Tianjin Key Laboratory of Metal and Molecule Based Material Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Institute of New Energy Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, China.
authors.forename: Zhaojun
authors.initials: Z
authors.lastname: Xie
authors.affiliation: Tianjin Key Laboratory of Metal and Molecule Based Material Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Institute of New Energy Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, China.
authors.forename: Xin
authors.initials: X
authors.lastname: Zhang
authors.affiliation: Tianjin Key Laboratory of Metal and Molecule Based Material Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Institute of New Energy Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, China.
authors.forename: Zhang
authors.initials: Z
authors.lastname: Zhang
authors.affiliation: Tianjin Key Laboratory of Metal and Molecule Based Material Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Institute of New Energy Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, China.
authors.forename: Zhen
authors.initials: Z
authors.lastname: Zhou
keywords: electrocatalytic conversion reactions; energy storage; metal carbonates; metal-CO2 batteries; metal-air batteries