Topologically protected oxygen redox in a layered manganese oxide cathode for sustainable batteries

Ang Gao, Qinghua Zhang, Xinyan Li, Tongtong Shang, Zhexin Tang, Xia Lu, Yanhong Luo, Jiarun Ding, Wang Hay Kan, Huaican Chen, Wen Yin, Xuefeng Wang, Dongdong Xiao, Dong Su, Hong Li, Xiaohui Rong (), Xiqian Yu, Qian Yu, Fanqi Meng, Cewen Nan, Claude Delmas, Liquan Chen, Yong-Sheng Hu () and Lin Gu ()
Additional contact information
Ang Gao: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Qinghua Zhang: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Xinyan Li: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Tongtong Shang: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Zhexin Tang: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Xia Lu: Sun Yat-sen University
Yanhong Luo: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Jiarun Ding: Zhengzhou University
Wang Hay Kan: Spallation Neutron Source Science Center, Dalang
Huaican Chen: Spallation Neutron Source Science Center, Dalang
Wen Yin: Spallation Neutron Source Science Center, Dalang
Xuefeng Wang: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Dongdong Xiao: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Dong Su: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Hong Li: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Xiaohui Rong: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Xiqian Yu: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Qian Yu: Zhejiang University
Fanqi Meng: Tsinghua University
Cewen Nan: Tsinghua University
Claude Delmas: Université de Bordeaux, Bordeaux INP, ICMCB UMR 5026, CNRS
Liquan Chen: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Yong-Sheng Hu: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Lin Gu: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences

Nature Sustainability, 2022, vol. 5, issue 3, 214-224

Abstract: Abstract Manganese could be the element of choice for cathode materials used in large-scale energy storage systems owing to its abundance and low toxicity levels. However, both lithium- and sodium-ion batteries adopting this electrode chemistry suffer from rapid performance fading, suggesting a major technical barrier that must be overcome. Here we report a P3-type layered manganese oxide cathode Na0.6Li0.2Mn0.8O2 (NLMO) that delivers a high capacity of 240 mAh g−1 with outstanding cycling stability in a lithium half-cell. Combined experimental and theoretical characterizations reveal a characteristic topological feature that enables the good electrochemical performance. Specifically, the -α-γ- layer stack provides topological protection for lattice oxygen redox, whereas reversibility is absent in P2-structured NLMO, which takes an -α-β- configuration. The identified new order parameter opens an avenue towards the rational design of reversible Mn-rich cathode materials for sustainable batteries.

Date: 2022
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DOI: 10.1038/s41893-021-00809-0

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