Intrinsic mechanism of Co/Mn elemental manipulation in enhancing the cycling stability of single-crystal ultrahigh-nickel layered cathodes

Author:

Han Duzhao1ORCID,Chen Jinniu1,Li Weipeng1,Xie Liang1,Yan Zheng2,Tang Zexun3,Wu Hao4,Peng Jiali5,Dolotko Oleksandr5,Zhao Yuxin6,Hua Weibo1ORCID,Wu Yuping7,Tang Wei1

Affiliation:

1. School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, China

2. State Key Laboratory of Space Power-sources Technology, Shanghai Institute of Space Power-Sources, 2965 Dongchuan Road, Shanghai 200245, P.R. China

3. College of Materials and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, China

4. Guangdong Jiana Energy Technology Co., Ltd, 511449, Guangdong, China

5. Institute for Applied Materials (IAM), Karlsruhe Institute of Technology (KIT), 76344 Eggenstein-Leopoldshafen, Germany

6. CNPC Tubular Goods Research Institute (TGRI), Xi'an 710077, People's Republic of China

7. School of Energy and Environment, Southeast University, Nanjing 210096, China

Abstract

We synthesized single-crystal ultrahigh-nickel layered cathodes with manipulated Co/Mn doping to reveal the correlation between crystal structural evolution and performance. Our study emphasizes the importance of regulating the crystal structure evolution constructing high-performance cathodes.

Funder

National Key Research and Development Program of China

National Natural Science Foundation of China

Shanxi Provincial Key Research and Development Project

Higher Education Discipline Innovation Project

Publisher

Royal Society of Chemistry (RSC)

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