4.6 Article

Scalable chemical approach to prepare crystalline Mn2V2O7nanoparticles: introducing a new long-term cycling cathode material for lithium-ion battery

Journal

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
Volume 31, Issue 22, Pages 19638-19646

Publisher

SPRINGER
DOI: 10.1007/s10854-020-04490-5

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Funding

  1. Science and Engineering Research Board [ECR/2017/000743]
  2. Government of India

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Herein, a new cathode material, Mn2V2O7, for lithium-ion batteries is identified. A simple chemical method is proposed to synthesize newly identified Mn(2)V(2)O(7)material for large scale production. The synthesis of nanosized manganese vanadate in high yield with improved electrochemical performance toward lithium-ion battery applications is of fundamental and technological advancement. The newly identified Mn(2)V(2)O(7)holds a large reversible capacity of 242 mAh/g at 0.2 C rate with 82% of capacitance retention after 1442 cycles and thereby makes it suitable for lithium-ion battery fabrication. This long-term cycling is the highest reported for Mn(2)V(2)O(7)to the best of our knowledge.

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