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Keywords:

  • lithium ion batteries;
  • Li4Ti5O12;
  • hydrogenation;
  • nanowire arrays
Thumbnail image of graphical abstract

Self-supported Li4Ti5O12 nanowire arrays with high conductivity architectures are designed and fabricated for application in a Li-ion battery. The Li4Ti5O12 nanowire arrays grow directly on Ti foil by a facile solution-based method, further enhancing Li-ion storage properties by creating Ti3+ sites through hydrogenation. This configuration ensures that every Li4Ti5O12 nanowire participates in the fast electrochemical reaction, enabling remarkable rate performance and a long cycle life.