4.8 Article

A Single Rolled-Up Si Tube Battery for the Study of Electrochemical Kinetics, Electrical Conductivity, and Structural Integrity

Journal

ADVANCED MATERIALS
Volume 26, Issue 47, Pages 7973-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201402484

Keywords

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Funding

  1. International Research Training Group (IRTG) project [GRK 1215]
  2. PAKT project Electrochemical energy storage in autonomous systems [49004401]
  3. Thousand Talents Program
  4. Natural Science Foundation of Jiangsu Province of China [BK20140315]
  5. National Natural Science Foundation of China [51402202]
  6. National Basic Research Program of China [2015CB358600]
  7. Jiangsu Shuangchuang Plan

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A lab-on-chip device is demonstrated for probing the electrochemical kinetics, electrical properties, and structure integrity of a single Si rolled-up tube as the anode in lithium-ion batteries. Cyclic voltammetry of the tube exhibits better-resolved peaks than of the planar film due to the enhanced diffusion. The tube is wrinkled after cycling. The tube could be used as a promising ultra-microelectrode for other voltammetry research.

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