A layered Prussian blue analogue as fast-charging negative electrode material for lithium-ion batteries

Chongwei Gao, Ming Chen, Jiantao Li, Sungsik Lee, Tian Sun, Xunan Wang, Shuhua Zhang, Guang Feng (), Dengyun Zhai () and Feiyu Kang ()
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Chongwei Gao: Tsinghua University, Shenzhen Geim Graphene Center, Institute of Materials Research, Tsinghua Shenzhen International Graduate School
Ming Chen: Huazhong University of Science and Technology, State Key Laboratory of Coal Combustion and School of Energy and Power Engineering
Jiantao Li: Argonne National Laboratory, Chemical Sciences and Engineering Division
Sungsik Lee: Argonne National Laboratory, X-ray Science Division, Advanced Photon Source
Tian Sun: Huazhong University of Science and Technology, State Key Laboratory of Coal Combustion and School of Energy and Power Engineering
Xunan Wang: Tsinghua University, Shenzhen Geim Graphene Center, Institute of Materials Research, Tsinghua Shenzhen International Graduate School
Shuhua Zhang: Tsinghua University, Shenzhen Geim Graphene Center, Institute of Materials Research, Tsinghua Shenzhen International Graduate School
Guang Feng: Huazhong University of Science and Technology, State Key Laboratory of Coal Combustion and School of Energy and Power Engineering
Dengyun Zhai: Tsinghua University, Shenzhen Geim Graphene Center, Institute of Materials Research, Tsinghua Shenzhen International Graduate School
Feiyu Kang: Tsinghua University, Shenzhen Geim Graphene Center, Institute of Materials Research, Tsinghua Shenzhen International Graduate School

Nature Communications, 2025, vol. 16, issue 1, 1-13

Abstract: Abstract The simultaneous achievement of fast-charging and high specific capacity remains a critical challenge for lithium-ion battery negative electrodes. Here we report a layered manganese-based Prussian blue analogue, synthesized through vacancy control and subsequent thermal transformation. As a conversion-type negative electrode, this material exhibits high-rate performance, delivering a specific capacity of 510 mAh g−1 at a specific current of 8 A g−1, and operates at a moderate average voltage of approximately 1.2 V vs. Li/Li+, which mitigates lithium plating risks. This high-rate capability stems from the analogue’s specific linkage configurations, which facilitate a high content of active transition metal and strong Li+ adsorption at nitrogen sites. The high transition metal content enables a high reversible capacity, while strong Li+ adsorption promotes an efficient initial crystalline-to-amorphous transformation. This process induces dynamically reversible component migration during subsequent cycling, thereby enhancing conversion reaction kinetics. Our findings provide insights into the application of Prussian blue analogues as fast-charging negative electrode materials.

Date: 2025
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DOI: 10.1038/s41467-025-65250-9

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