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J Phys Chem Lett. 2012 May 17;3(10):1242-7. doi: 10.1021/jz300430s. Epub 2012 Apr 30.

Influence of Lithium Salts on the Discharge Chemistry of Li-Air Cells.

Author information

1
†Materials Science and Technology Division and ‡Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States.

Abstract

In this work, we show that the use of a high boiling point ether solvent (tetraglyme) promotes the formation of Li2O2 in a lithium-air cell. However, another major constituent in the discharge product of a Li-air cell contains halides from the lithium salts and C-O from the tetraglyme used as the solvent. This information is critical to the development of Li-air electrolytes, which are stable and promote the formation of the desired Li2O2 products.

KEYWORDS:

Li ion battery; Li salts; Li−air; SEI; glyme electrolytes

PMID:
26286765
DOI:
10.1021/jz300430s

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