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Tuning local chemistry of P2 layered-oxide cathode for high energy and long cycles of sodium-ion battery

Author

Listed:
  • Chenchen Wang

    (Nankai University)

  • Luojia Liu

    (Nankai University)

  • Shuo Zhao

    (Nankai University)

  • Yanchen Liu

    (Nankai University)

  • Yubo Yang

    (Beijing University of Technology)

  • Haijun Yu

    (Beijing University of Technology)

  • Suwon Lee

    (Korea University)

  • Gi-Hyeok Lee

    (Dongguk University
    Lawrence Berkeley National Laboratory)

  • Yong-Mook Kang

    (Korea University)

  • Rong Liu

    (Western Sydney University, Locked 17 Bag 1797)

  • Fujun Li

    (Nankai University)

  • Jun Chen

    (Nankai University)

Abstract

Layered transition-metal oxides have attracted intensive interest for cathode materials of sodium-ion batteries. However, they are hindered by the limited capacity and inferior phase transition due to the gliding of transition-metal layers upon Na+ extraction and insertion in the cathode materials. Here, we report that the large-sized K+ is riveted in the prismatic Na+ sites of P2-Na0.612K0.056MnO2 to enable more thermodynamically favorable Na+ vacancies. The Mn-O bonds are reinforced to reduce phase transition during charge and discharge. 0.901 Na+ per formula are reversibly extracted and inserted, in which only the two-phase transition of P2 ↔ P’2 occurs at low voltages. It exhibits the highest specific capacity of 240.5 mAh g−1 and energy density of 654 Wh kg−1 based on the redox of Mn3+/Mn4+, and a capacity retention of 98.2% after 100 cycles. This investigation will shed lights on the tuneable chemical environments of transition-metal oxides for advanced cathode materials and promote the development of sodium-ion batteries.

Suggested Citation

  • Chenchen Wang & Luojia Liu & Shuo Zhao & Yanchen Liu & Yubo Yang & Haijun Yu & Suwon Lee & Gi-Hyeok Lee & Yong-Mook Kang & Rong Liu & Fujun Li & Jun Chen, 2021. "Tuning local chemistry of P2 layered-oxide cathode for high energy and long cycles of sodium-ion battery," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-22523-3
    DOI: 10.1038/s41467-021-22523-3
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    Cited by:

    1. Jun-Hyuk Song & Seungju Yu & Byunghoon Kim & Donggun Eum & Jiung Cho & Ho-Young Jang & Sung-O Park & Jaekyun Yoo & Youngmin Ko & Kyeongsu Lee & Myeong Hwan Lee & Byungwook Kang & Kisuk Kang, 2023. "Slab gliding, a hidden factor that induces irreversibility and redox asymmetry of lithium-rich layered oxide cathodes," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    2. Qinhao Shi & Ruijuan Qi & Xiaochen Feng & Jing Wang & Yong Li & Zhenpeng Yao & Xuan Wang & Qianqian Li & Xionggang Lu & Jiujun Zhang & Yufeng Zhao, 2022. "Niobium-doped layered cathode material for high-power and low-temperature sodium-ion batteries," Nature Communications, Nature, vol. 13(1), pages 1-12, December.

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