4.8 Article

Studying the Kinetics of Crystalline Silicon Nanoparticle Lithiation with In Situ Transmission Electron Microscopy

期刊

ADVANCED MATERIALS
卷 24, 期 45, 页码 6034-+

出版社

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201202744

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资金

  1. Chevron Stanford Graduate Fellowship
  2. National Defense Science and Engineering Graduate Fellowship
  3. National Science Foundation Graduate Fellowship
  4. U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering through the SLAC National Accelerator Laboratory LDRD project [DE-AC02-76SF00515]
  5. Energy efficiency and Renewable Energy, Office of Vehicle Technologies of the U.S. Department of Energy [DE-AC02-05CH11231]
  6. Batteries for Advanced Transportation Technologies (BATT) Program [6951379]
  7. KAUST [KUK-F1-038-02]
  8. Laboratory Directed Research and Development (LDRD) program of Pacific Northwest National Laboratory
  9. DOE's Office of Biological and Environmental Research
  10. DOE [DE-AC05-76RLO1830]
  11. Office of Science, Office of Basic Energy Sciences, of the US Department of Energy [DE-FG02-04ER46163]

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In situ transmission electron microscopy (TEM) is used to study the electrochemical lithiation of high-capacity crystalline Si nanoparticles for use in Li-ion battery anodes. The lithiation reaction slows down as it progresses into the particle interior, and analysis suggests that this behavior is due not to diffusion limitation but instead to the influence of mechanical stress on the driving force for reaction.

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