4.7 Article

Electrochemical potassium-ion intercalation in NaxCoO2: a novel cathode material for potassium-ion batteries

Journal

CHEMICAL COMMUNICATIONS
Volume 53, Issue 61, Pages 8588-8591

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cc02791e

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Funding

  1. Science and Education Research Board (SERB, Govt. of India) [ECR/2015/000525]
  2. Department of Science and Technology (DST)
  3. SERB [PDF/2015/00217]

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Reversible electrochemical potassium-ion intercalation in P2-type NaxCoO2 was examined for the first time. Hexagonal Na0.84CoO2 platelets prepared by a solution combustion synthesis technique were found to work as an efficient host for K+ intercalation. They deliver a high reversible capacity of 82 mA h g(-1), good rate capability and excellent cycling performance up to 50 cycles.

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