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Disodium Terephthalate (Na2C8H4O4) as High Performance Anode Material for Low-Cost Room-Temperature Sodium-Ion Battery

Authors

  • Liang Zhao,

    1. 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, Beijing 100190, China
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  • Junmei Zhao,

    1. Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
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  • Yong-Sheng Hu,

    Corresponding author
    1. 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, Beijing 100190, China
    • 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, Beijing 100190, China.
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  • Hong Li,

    1. 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, Beijing 100190, China
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  • Zhibin Zhou,

    1. School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
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  • Michel Armand,

    1. 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, Beijing 100190, China
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  • Liquan Chen

    1. 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, Beijing 100190, China
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Abstract

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In this contribution, a cheap organic material, disodium terephthalate, Na2C8H4O4, has been firstly evaluated as a novel anode for room-temperature Na-ion batteries. The material exhibits a high reversible capacity of 250 mAh/g with excellent cycleability. The average Na storage voltage is approximately 0.43 V vs. Na+/Na. A thin layer of Al2O3 coating on the electrode surface derived from the atomic layer deposition technique is effective in further enhancing Na storage performance.

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