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Title: Direct measurement of the chemical reactivity of silicon electrodes with LiPF6-based battery electrolytes

Journal Article · · ChemComm
DOI:https://doi.org/10.1039/c3cc49269a· OSTI ID:1121174
 [1];  [1];  [1];  [2];  [3];  [4]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Division
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science
  3. Univ. of Rochester, NY (United States). Dept. of Chemical Engineering
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Chemical and Engineering Materials Division
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Here, we report the first direct measurement of the chemistry and extent of reactivity between a lithium ion battery electrode surface (Si) and a liquid electrolyte (1.2M LiPF6-3:7 wt% ethylene carbonate:dimethyl carbonate). We estimate that this layer is 3.6 nm thick and partially originates from the consumption of the silicon surface.

Research Organization:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source (SNS)
Sponsoring Organization:
USDOE Office of Science (SC)
DOE Contract Number:
AC05-00OR22725
OSTI ID:
1121174
Journal Information:
ChemComm, Vol. 50, Issue 23; ISSN 1359-7345
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English

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