A Mo/PANI co-modified ultra-high nickel NCM9622 cathode composite with excellent cycle stability and high-rate performance for power batteries

Author:

Huang Jinfu1,Zhang Liang1,Tang Hongyu1,Huang Shengyi1,Tang Yang1,Ma Jianyao1,Huang Bin1,Li Yanwei1ORCID,Sun Yiling2,Xiao Shunhua1,Wang Renheng23ORCID

Affiliation:

1. Guangxi Colleges and Universities Key Laboratory of Surface and Interface Electrochemistry, Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, Guangxi, China

2. Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, State Key Laboratory of Radio Frequency Heterogeneous Integration (Shenzhen University), College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, P. R. China

3. Key Laboratory of Advanced Electrode Materials for Novel Solar Cells for Petroleum and Chemical Industry of China, School of Chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou City, Jiangsu Province 215009, P. R. China

Abstract

The ultra-high nickel cathode material NCM9622 is modified by PANI coating and Mo doping, and has excellent cycling stability and rate performance, effectively restrains surface/interface side reactions, reduces cationic mixing and accelerates the Li+ diffusion rate.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

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