Lithium-ion batteries (LIB) have received substantial attention in the last 10 years,as they offer great promise as power sources that can lead to the electric vehicle (EV) revolution in the next 5 years.Since the cat...Lithium-ion batteries (LIB) have received substantial attention in the last 10 years,as they offer great promise as power sources that can lead to the electric vehicle (EV) revolution in the next 5 years.Since the cathode serves as a key component in LIB,its properties significantly affect the performance of the whole system.Recently,the cathode surface modification based on coating technique has been widely employed to enhance the electrochemical performances by improving the material conductivity,stabilising the physical structure of materials,as well as preventing the reactions between the electrode and electrolyte.In this work,we reviewed the present of a number of promising cathode materials for Li-ion batteries.After that,we summarized the very recent research progress focusing on the surface coating strategies,mainly including the coating materials,the coating technologies,as well as the corresponding working mechanisms for cathodes.At last,the challenges faced and future guidelines for optimizing cathode materials are discussed.In this study,we propose that the structure of cathode is a crucial factor during the selection of coating materials and technologies.展开更多
Lithium ion battery has achieved great success in portable electronics and even recently electronic vehicles since its commercialization in 1990s.However,lithium-ion batteries are confronted with several issues in ter...Lithium ion battery has achieved great success in portable electronics and even recently electronic vehicles since its commercialization in 1990s.However,lithium-ion batteries are confronted with several issues in terms of the sustainable development such as the high price of raw materials and electronic products,the emerging safety accidents,etc.The recent progresses are herein emphasized on lithium batteries for energy storage to clearly understand the sustainable energy chemistry and emerging energymaterials.The Perspective presents novel lithium-ion batteries developed with the aims of enhancing the electrochemical performance and sustainability of energy storage systems.First,revolutionary material chemistries,including novel low-cobalt cathode,organic electrode,and aqueous electrolyte,are discussed.Then,the characteristics of safety performance are analyzed and strategies to enhance safety are subsequently evaluated.Battery recycling is considered as the key factor for a sustainable society and related technologies are present as well.Finally,conclusion and outlook are drawn to shed lights on the further development of sustainable lithium-ion batteries.展开更多
基金the financial support from Research Training Program(RTP)funded by the Department of Education,Australian Government。
文摘Lithium-ion batteries (LIB) have received substantial attention in the last 10 years,as they offer great promise as power sources that can lead to the electric vehicle (EV) revolution in the next 5 years.Since the cathode serves as a key component in LIB,its properties significantly affect the performance of the whole system.Recently,the cathode surface modification based on coating technique has been widely employed to enhance the electrochemical performances by improving the material conductivity,stabilising the physical structure of materials,as well as preventing the reactions between the electrode and electrolyte.In this work,we reviewed the present of a number of promising cathode materials for Li-ion batteries.After that,we summarized the very recent research progress focusing on the surface coating strategies,mainly including the coating materials,the coating technologies,as well as the corresponding working mechanisms for cathodes.At last,the challenges faced and future guidelines for optimizing cathode materials are discussed.In this study,we propose that the structure of cathode is a crucial factor during the selection of coating materials and technologies.
基金NationalNatural Science Foundation ofChina,Grant/Award Numbers:21825501,21805161,21808121,U1801257NationalKeyResearch and Development Program,Grant/Award Numbers:2016YFA0202500,2016YFA0200102。
文摘Lithium ion battery has achieved great success in portable electronics and even recently electronic vehicles since its commercialization in 1990s.However,lithium-ion batteries are confronted with several issues in terms of the sustainable development such as the high price of raw materials and electronic products,the emerging safety accidents,etc.The recent progresses are herein emphasized on lithium batteries for energy storage to clearly understand the sustainable energy chemistry and emerging energymaterials.The Perspective presents novel lithium-ion batteries developed with the aims of enhancing the electrochemical performance and sustainability of energy storage systems.First,revolutionary material chemistries,including novel low-cobalt cathode,organic electrode,and aqueous electrolyte,are discussed.Then,the characteristics of safety performance are analyzed and strategies to enhance safety are subsequently evaluated.Battery recycling is considered as the key factor for a sustainable society and related technologies are present as well.Finally,conclusion and outlook are drawn to shed lights on the further development of sustainable lithium-ion batteries.
