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Title: Methods of making and inspecting a web of vitreous lithium sulfide separator sheet and lithium electrode assemblies

Patent ·
OSTI ID:1637814
; ; ; ;

A lithium ion-conductive solid electrolyte including a freestanding inorganic vitreous sheet of sulfide-based lithium ion conducting glass is capable of high performance in a lithium metal battery by providing a high degree of lithium ion conductivity while being highly resistant to the initiation and/or propagation of lithium dendrites. Such an electrolyte is also itself manufacturable, and readily adaptable for battery cell and cell component manufacture, in a cost-effective, scalable manner. An automated machine based system, apparatus and methods assessing and inspecting the quality of such vitreous solid electrolyte sheets, electrode sub-assemblies and lithium electrode assemblies can be based on spectrophotometry and can be performed inline with fabricating the sheet or web (e.g., inline with drawing of the vitreous Li ion conducting glass) and/or with the manufacturing of associated electrode sub-assemblies and lithium electrode assemblies and battery cells.

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):
10,601,071
Application Number:
15/380,989
OSTI ID:
1637814
Resource Relation:
Patent File Date: 12/15/2016
Country of Publication:
United States
Language:
English

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