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Dopamine-Derived Graphite-Like Hard Carbon Materials for High-Performance Li+ Ions Storage

Author

Listed:
  • Xianfa Rao
  • Baobao Li
  • Kuang Lei
  • Yitao Lou
  • Lixia Zhang
  • Longhai Weng
  • Longxing Chen
  • Xuanbo Shi
  • Shengwen Zhong
  • Bao Liu
  • Li Wang

Abstract

Graphite anode material is easily powdered under large currents, resulting in a short circuit inside the battery, causing serious safety hazards. Therefore, it is necessary to study a negative electrode material, increase the diffusion channel of lithium ions, increase the layer spacing, reduce the transmission distance, effectively weaken the lithium-ion deposition, and improve the cycle life. A novel organic hard carbon material was prepared by calcining dopamine hydrochloride (DA) at three temperatures. Under the inert atmosphere of 950 °C, the material is fully carbonized, the lattice spacing is 0.367 nm, and it has good lithium-ion transmission activity. After assembling into a battery, after 2000 charge-discharge tests at a high rate of 10C, the charging specific capacity is still 103.3mAh g-1, and the CE remains 101.4%. Dopamine hard carbon anode materials exhibit excellent specific capacity and cycle properties, providing new ideas to support the rapid charging and discharging of hard carbon anode materials.

Suggested Citation

  • Xianfa Rao & Baobao Li & Kuang Lei & Yitao Lou & Lixia Zhang & Longhai Weng & Longxing Chen & Xuanbo Shi & Shengwen Zhong & Bao Liu & Li Wang, 2022. "Dopamine-Derived Graphite-Like Hard Carbon Materials for High-Performance Li+ Ions Storage," Journal of Materials Science Research, Canadian Center of Science and Education, vol. 11(1), pages 1-59, May.
    • Handle: RePEc:ibn:jmsrjl:v:11:y:2022:i:1:p:59
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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