Li-air batteries are an extremely attractive technology for electrical energy storage,especially in long-range electric vehicles,owing to their high theoretical specific energy.However,many issues still exist before t...Li-air batteries are an extremely attractive technology for electrical energy storage,especially in long-range electric vehicles,owing to their high theoretical specific energy.However,many issues still exist before their practical realization.Herein,the sole complexity of electrode reaction in Li-air batteries is presented.And the critical components that influence the electrochemical performance of aprotic Li-air batteries operating in ambient air are discussed.These include the mechanisms and pathways of CO_(2)/Li_(2)CO_(3) and H_(2)O/LiOH,catalysts of CO_(2) reduction/evolution reactions,and reactions between the Li anode and air constituents.If these challenges can be solved,Li-air batteries will soon be realized for practical application.Some hot topics in field of Li-air batteries should be focused,such as the fundamental mechanism research referring to interfacial reactions of atmosphere components on porous electrode and Li metal anode,high-efficiency solid catalyst design,and discovery of suitable soluble redox mediators.展开更多
As the global demand for clean energy continues to swell,the crucial role of lithium-ion batteries,especially those with superior energy and power density,is being increasingly recognized.This emerging reality has tri...As the global demand for clean energy continues to swell,the crucial role of lithium-ion batteries,especially those with superior energy and power density,is being increasingly recognized.This emerging reality has triggered a surge of research into lithium metal anodes,a promising option for increasing the energy density of lithium-ion batteries due to their high theoretical capacity and low electrochemical potential[1].展开更多
基金This research was partially supported financially by The National Key Research and Development Program of China(2016YFB0100203)National Natural Science Foundation of China(21673116,21633003)+1 种基金Natural Science Foundation of Jiangsu Province of China(BK20160068)PAPD of Jiangsu Higher Education Insti-tutions.
文摘Li-air batteries are an extremely attractive technology for electrical energy storage,especially in long-range electric vehicles,owing to their high theoretical specific energy.However,many issues still exist before their practical realization.Herein,the sole complexity of electrode reaction in Li-air batteries is presented.And the critical components that influence the electrochemical performance of aprotic Li-air batteries operating in ambient air are discussed.These include the mechanisms and pathways of CO_(2)/Li_(2)CO_(3) and H_(2)O/LiOH,catalysts of CO_(2) reduction/evolution reactions,and reactions between the Li anode and air constituents.If these challenges can be solved,Li-air batteries will soon be realized for practical application.Some hot topics in field of Li-air batteries should be focused,such as the fundamental mechanism research referring to interfacial reactions of atmosphere components on porous electrode and Li metal anode,high-efficiency solid catalyst design,and discovery of suitable soluble redox mediators.
文摘As the global demand for clean energy continues to swell,the crucial role of lithium-ion batteries,especially those with superior energy and power density,is being increasingly recognized.This emerging reality has triggered a surge of research into lithium metal anodes,a promising option for increasing the energy density of lithium-ion batteries due to their high theoretical capacity and low electrochemical potential[1].
