journal article·2025-03-14

High-Energy Na-Ion Batteries Using Single-Crystalline Cathode

Zheng Lian, Haibo Wang, Zhao Chen, Chunliu Xu, Hao Yu, Feixiang Ding, Huican Mao, Dan Yu, Yang Yang, Bowen Wang, Lin Zhou, Jiao Zhang, Xiaobing Zhao, Qinghua Zhang, Xiaohui Rong, Xixi Shi, Lianqi Zhang, Yong-Sheng Hu, Junmei Zhao

ACS Energy Letters· Volume 10· Issue 3
Publisher page

Abstract

Owing to the high theoretical capacity, O3-type Ni–Fe–Mn-based layered oxides are one of the cathodes with the greatest potential for high-energy Na-ion batteries (NIBs). However, their poor cycling life and air stability greatly limit their practical application. Herein, we synthesized single-crystalline O3–Na 0.95 Ni 0.4 Fe 0.2 Mn 0.4 O 2 (SC-NFM424) with a preferred orientation of the (003) facet by a simple resintering method, which delivered a high capacity of 172.3 mA h g –1 and stable cycling stability (80.0% after 450 cycles at 1 C). The various characterizations confirm that SC-NFM424 can effectively suppress the side reactions and structural degradation during the charge/discharge process. Moreover, the assembled 18650 cylindrical-type SC-NFM424||HC cell shows a capacity of 1726 mA h and an energy density of 172.2 W h kg –1 with a prominent cycling retention over 91.6% after 300 cycles at 0.5 C, which represents record values for high-energy and cycling stability of NIBs among the various cathode-based Ah-level cells.
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Research context

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Technologies Research · Advanced Battery Materials and Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

CAS Key Laboratory of Green Process and Engineering

Institute of Process Engineering, Chinese Academy of Sciences

Tianjin Key Laboratory for Photoelectric Materials and Devices, School of Materials Science and Engineering

Tianjin University of Technology

Key Laboratory for Renewable Energy, Beijing Key Laboratory for New Energy Materials and Devices, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics

Chinese Academy of Sciences

Department of Energy Storage Science and Engineering, School of Metallurgical and Ecological Engineering

University of Science and Technology Beijing

Frontiers Science Center for New Organic Matter, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry

Nankai University

School of Chemical Engineering

University of Chinese Academy of Sciences

Funding

Natural Science Foundation of Beijing Municipality · National Natural Science Foundation of China · Chinese Academy of Sciences

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