Chemical and structural evolutions of Li–Mn-rich layered electrodes at different current densities

Author:

He Xin123ORCID,Wu Jue45,Zhu Zhuoying2ORCID,Liu Haodong6,Li Ning2,Zhou Dong7,Hou Xu8,Wang Jun7,Zhang Haowei3,Bresser Dominic9ORCID,Fu Yanbao2,Crafton Matthew J.210ORCID,McCloskey Bryan D.210ORCID,Chen Yan11,An Ke11ORCID,Liu Ping6ORCID,Jain Anubhav2,Li Jie12,Yang Wanli4ORCID,Yang Yong5ORCID,Winter Martin7,Kostecki Robert2ORCID

Affiliation:

1. School of Chemical Engineering at Sichuan University, Chengdu, 610065, China

2. Energy Storage & Distributed Resources Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA

3. College of Electrical Engineering at Sichuan University, Chengdu, 610065, China

4. Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA

5. State Key Laboratory for Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China

6. Department of Nanoengineering, University of California San Diego, La Jolla, CA, 92093, USA

7. MEET Battery Research Center, Institute of Physical Chemistry, University of Münster, Corrensstraße 46, 48149 Münster, Germany

8. Helmholtz Institute Münster – Forschungszentrum Jülich GmbH (IEK 12), Corrensstrasse 46, 48149 Münster, D-48149 Münster, Germany

9. Helmholtz Institute Ulm (HIU), Ulm 89081, Germany

10. Department of Chemical and Biomolecular Engineering, College of Chemistry, University of California, Berkeley, CA, 94720, USA

11. Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37830, USA

12. Department of Energy, Politecnico di Milano, Via Lambruschini 4, Milano, 20156, Italy

Abstract

The oxidation process of lattice oxygen in Li-rich cathodes is dynamically compatible with that of TMs. Fast delithiation at high current densities can lead to local structural transformation and limited Li+ diffusion rates.

Funder

U.S. Department of Energy

Lawrence Berkeley National Laboratory

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Nuclear Energy and Engineering,Renewable Energy, Sustainability and the Environment,Environmental Chemistry

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