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Title: Electrolyte formulations for energy storage devices

Patent ·
OSTI ID:1568157

An energy storage device can include a cathode, an anode, and a separator between the cathode and the anode, and an electrolyte where the electrolyte includes one or more additives and/or solvent components selected from vinylene carbonate (VC), vinyl ethylene carbonate (VEC), dimethylacetamide (DMAc), hydro fluorinated ether branched cyclic carbonate, a hydro fluorinated ether ethylene carbonate (HFEEC), hydro fluorinated ether (HFE), and fluorinated ethylene carbonate (FEC). The electrolyte may include a carbonate based solvent and one or more solvent components and/or one or more of vinylene carbonate (VC), vinyl ethylene carbonate (VEC), dimethylacetamide (DMAc), hydro fluorinated ether branched cyclic carbonate, a hydro fluorinated ether ethylene carbonate (HFEEC), hydro fluorinated ether (HFE), and fluorinated ethylene carbonate (FEC).

Research Organization:
Maxwell Technologies, Inc., San Diego, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC26-05NT42403
Assignee:
Maxwell Technologies, Inc. (San Diego, CA)
Patent Number(s):
10,249,449
Application Number:
15/442,080
OSTI ID:
1568157
Resource Relation:
Patent File Date: 02/24/2017
Country of Publication:
United States
Language:
English

References (9)

Nonaqueous electrolyte secondary battery patent April 2010
Additive for nonaqueous electrolyte and secondary battery using the same patent March 2011
Solvent-Free Process Based Graphene Electrode for Energy Storage Devices patent-application January 2014
Fluorinated Additives For Lithium Ion Batteries patent-application August 2009
Electrolyte for lithium ion secondary battery and lithium ion secondary battery including the same patent August 2011
Long cycle-life alkali metal battery patent March 2001
Electrolyte Formulations for Energy Storage Devices Based on Ionic Liquids patent-application December 2010
Multifunctional sulfone/fluorinated ester solvents patent January 2012
Electrolyte Suitable for Use in a Lithium Ion Cell or Battery patent-application August 2008

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