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Title: Safety enhanced li-ion and lithium metal battery cells having protected lithium electrodes with enhanced separator safety against dendrite shorting

Patent ·
OSTI ID:1632417
; ; ;

Active metal and active metal intercalation electrode structures and battery cells having ionically conductive protective architecture including an active metal (e.g., lithium) conductive impervious layer separated from the electrode (anode) by a porous separator impregnated with a non-aqueous electrolyte (anolyte). This protective architecture prevents the active metal from deleterious reaction with the environment on the other (cathode) side of the impervious layer, which may include aqueous or non-aqueous liquid electrolytes (catholytes) and/or a variety electrochemically active materials, including liquid, solid and gaseous oxidizers. Safety additives and designs that facilitate manufacture are also provided.

Research Organization:
PolyPlus Battery Company, Berkeley, CA (United States)
Sponsoring Organization:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
DOE Contract Number:
AR0000349
Assignee:
PolyPlus Battery Company (Berkeley, CA)
Patent Number(s):
10,529,971
Application Number:
15/487,364
OSTI ID:
1632417
Resource Relation:
Patent File Date: 04/13/2017
Country of Publication:
United States
Language:
English

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Active metal fuel cells patent-application May 2005
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Lithium anodes for electrochemical cells patent September 2004

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