4.7 Article

Ultrafine potassium titanate nanowires: a new Ti-based anode for sodium ion batteries

Journal

CHEMICAL COMMUNICATIONS
Volume 52, Issue 37, Pages 6229-6232

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cc01057a

Keywords

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Funding

  1. National Basic Research Program of China (973 program) [2015CB932600]
  2. National Natural Science Foundation of China [21571073, 51302099, 21322106]
  3. Program for New Century Excellent Talents in University [NCET-13-0227]
  4. Program for HUST Interdisplinary Innovation Team
  5. Fundamental Research Funds for the Central University

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K2Ti6O13 with an analogous tunnel structure to Na2Ti6O13 is proposed as a new anode for sodium-ion batteries. By fabricating ultrafine nanowires growing perpendicularly to the Na+ diffusion direction, the K2Ti6O13 nanowires show a much enhanced capacity (186 mA h g(-1)) as well as good rate capability for sodium storage.

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