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A journal linking all aspects of the chemical, physical and biotechnological sciences relating to energy conversion and storage, alternative fuel technologies and environmental science.
Chemical Sciences and Engineering Division, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, USA
E-mail: Zonghai.chen@anl.gov
; Tel: +1-630-252-6551
b
X-Ray Science Division, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, USA
c
Advanced Power Sources R&D Department, Sandia National Laboratory, Albuquerque, USA
Energy Environ. Sci., 2011,4, 4023-4030
DOI:
10.1039/C1EE01786A
Received
20 May 2011,
Accepted
15 Jun 2011
First published online
05 Aug 2011
Safety remains a major issue for the graphite anode used in lithium-ion batteries. The thermal stability of lithiated graphite was studied by atomic-scale characterization and cell tests. The results revealed that the thermal decomposition of the solid–electrolyte interface is the most easily triggered chemical reaction in lithium-ion cells and plays a critical role in determining the battery safety. It was also shown that natural graphite containing a small amount of 3R graphite had much better thermal stability than mesocarbon microbeads that had no detectable 3R graphite.
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Energy & Environmental Science
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