4.7 Article

Enhancing structural stability of layered O3-type Na-Mn-Ni-Cu-O cathode material through copper substitution for sodium batteries

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ELSEVIER
DOI: 10.1016/j.jtice.2020.11.032

Keywords

Sodium-ion batteries; O3-type; Cu-substitution; Cathode material

Funding

  1. DST-SERB, New Delhi under the Physical sciences, grant [EMR/2016/006302]
  2. PURSE Programme - Department of Science and Technology (DST)
  3. FIST Programme - Department of Science and Technology (DST)
  4. SAP by University Grants Commission (UGC), New Delhi, Govt. of India
  5. Ministry of Human Resource Development RUSA-Phase 2.0 grant, Dept. of Education, Govt. of India [F-24-51/2014 U]

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Sodium-ion batteries (SIBs) are generally auspicious solutions for large-scale electrochemical energy storage devices by reason of broad distribution of sodium (Na) sources and economically viable. In this article, layered O3-type Na0.9Mn0.55Ni0.35Cu0.1O2 cathode material was prepared by using conventional solid state reaction for SIBs. This material displayed high specific discharge capacity of 168.22 mAh g(-1) at of 0.1C rate, among 2 and 4 V and exhibited good coulombic efficiency. The copper (Cu) swap enriched the electrochemical performances of the obtained O3-type cathodes by maintaining the structural stability. (c) 2020 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.

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