Boosting the Electrochemical Performance of Li- and Mn-Rich Cathodes by a Three-in-One Strategy

Nano-Micro Letters

Fei Pei¹  Xiuwan Li²  Chenying Zhang³  Jie Lin³  Dong-Liang Peng³  Wei He³  Fangjun Ye³  Laisen Wang³  Qian Wang³  Qingshui Xie⁴  Baihua Qu⁴  Pengfei Liu⁵ 

[1] College of Chemistry and Chemical Engineering, Xiamen University, 361005, Xiamen, People’s Republic of China;Fujian Provincial Key Laboratory of Light Propagation and Transformation, College of Information Science and Engineering, Huaqiao University, 361021, Xiamen, People’s Republic of China;State Key Lab of Physical Chemistry of Solid Surface, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials and Pen-Tung Sah Institute of Micro-Nano Science and Technology, Xiamen University, 361005, Xiamen, People’s Republic of China;State Key Lab of Physical Chemistry of Solid Surface, Collaborative Innovation Center of Chemistry for Energy Materials, College of Materials and Pen-Tung Sah Institute of Micro-Nano Science and Technology, Xiamen University, 361005, Xiamen, People’s Republic of China;Shenzhen Research Institute of Xiamen University, 518000, Shenzhen, People’s Republic of China;Zhengzhou Key Laboratory of Big Data Analysis and Application, Henan Academy of Big Data, Zhengzhou University, 450002, Zhengzhou, People’s Republic of China;

关键词: Li- and Mn-rich cathodes;    Cation–polyanion co-doping;    Defect and stress engineering;    Good structure stability;    Electrochemical performance;   

DOI  :  10.1007/s40820-021-00725-0

来源: Springer

【 摘 要 】

tsA novel three-in-one method is put forward to prepare Li- and Mn-rich cathode.The stress evolution of layered materials during cycling is characterized.The capacity and voltage stability are enhanced greatly.

【 授权许可】

CC BY