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Title: Electrolyte formulations

Patent ·
OSTI ID:1452916

An electrochemical cell including a silicon-based anode and an electrolyte, where the electrolyte is formulated to contain solvents having cyclic sulfone or cyclic sulfite chemical structure. Specific additional solvent and salt combinations yield superior performance in these electrochemical cells.

Research Organization:
Wildcat Discovery Technologies, Inc., San Diego, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
EE0006453
Assignee:
Wildcat Discovery Technologies, Inc. (San Diego, CA)
Patent Number(s):
9,985,318
Application Number:
15/188,905
OSTI ID:
1452916
Resource Relation:
Patent File Date: 2016 Jun 21
Country of Publication:
United States
Language:
English

References (7)

Alkali metal electrochemical cell activated with a nonaqueous electrolyte having a sulfite additive patent June 2002
Electrolyte for Lithium Battery and Lithium Battery Comprising Same patent-application June 2011
Non-Aqueous Electrolyte Solution and Electricity-Storage Device Using Same patent-application August 2014
Porous Silicon-Based Anode Active Material, Method of Preparing the Same, and Lithium Secondary Battery Including the Anode Active Material patent-application December 2014
Nanoporous Titanium Niobium Oxide and Titanium Tantalum Oxide Compositions and Their Use in Anodes of Lithium Ion Batteries patent-application February 2015
Composition for Addition to Electrolyte Solutions Containing Silyl Group-Containing Compound, Electrolyte Solution for Nonaqueous Electricity Storage Devices Containing Said Composition, and Lithium Ion Secondary Battery Containing Said Electrolyte Solution patent-application August 2016
Positive Electrode for Lithium Ion Secondary Battery and Lithium Ion Secondary Battery Using Same patent-application December 2016