A brief review of commonly encountered anions,cations and co-doped HA and Ca-deficient HA was given in the DFT studies.First,the charge compensation mechanism,the preference substitution sites and crystal structure ch...A brief review of commonly encountered anions,cations and co-doped HA and Ca-deficient HA was given in the DFT studies.First,the charge compensation mechanism,the preference substitution sites and crystal structure changes of doped HA were described and discussed.And then conclusions were drawn and future challenges were discussed.The review is expected to provide theoretical guidance for the development of bioactive HA with special structures and functions.展开更多
Ni-rich cathode materials have become the mainstream choice in the mileage electric vehicle sector due to their high specific capacity and safety factor.However,the volume changes occurring during charging and dischar...Ni-rich cathode materials have become the mainstream choice in the mileage electric vehicle sector due to their high specific capacity and safety factor.However,the volume changes occurring during charging and discharging lead to microcracking and surface remodeling,posing challenges to achieving such as high specific capacity and long cycle stability.This paper reviews existing modification strategies for Ni-rich layered oxide cathode materials.Unlike previous reviews and related papers,we comprehensively discuss a variety of modification strategies and deeply discuss the synergistic modification effect of surface coating and bulk doping,which is how to improve the cycling stability of the Ni-rich cathode.In addition,based on recent research advances,the prospects and challenges of modifying Ni-rich layered cathodes for cycle stability upgrading of the lithium-ion battery,as well as the potential application prospects in the field of power automobiles,are comprehensively analyzed.展开更多
基金Funded by the the National High Technology Research and Development Program("863"Program)(2015AA034202)the National Key Research and Development Program of China(2016YFB0700802)+4 种基金the Key Technology Research and Development Program of the Bureau of Science and Technology of Sichuan Province(2014GZ0174)the Special Program for Applied Research on Super Computation of the NSFC-Guangdong Joint Fund(the second phase)(U1501501)the Education Department Program of Sichuan province(16ZB0313)the Teaching Reform Program of Mianyang Teachers’College(Mnu-JY1512)the Innovation and Entrepreneurship Training Program of University Students in Sichuan Province(201610639077)
文摘A brief review of commonly encountered anions,cations and co-doped HA and Ca-deficient HA was given in the DFT studies.First,the charge compensation mechanism,the preference substitution sites and crystal structure changes of doped HA were described and discussed.And then conclusions were drawn and future challenges were discussed.The review is expected to provide theoretical guidance for the development of bioactive HA with special structures and functions.
基金supported by the Science and Technology Research Project of Changchun City(24GXYSZZ01)the Natural Science Foundation of Jilin Province(NO.20220101036JC)。
文摘Ni-rich cathode materials have become the mainstream choice in the mileage electric vehicle sector due to their high specific capacity and safety factor.However,the volume changes occurring during charging and discharging lead to microcracking and surface remodeling,posing challenges to achieving such as high specific capacity and long cycle stability.This paper reviews existing modification strategies for Ni-rich layered oxide cathode materials.Unlike previous reviews and related papers,we comprehensively discuss a variety of modification strategies and deeply discuss the synergistic modification effect of surface coating and bulk doping,which is how to improve the cycling stability of the Ni-rich cathode.In addition,based on recent research advances,the prospects and challenges of modifying Ni-rich layered cathodes for cycle stability upgrading of the lithium-ion battery,as well as the potential application prospects in the field of power automobiles,are comprehensively analyzed.
