Patent ID: 11876174
Assignee: POLYPLUS BATTERY COMPANY
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC H

Claim 11:
12. A battery cell, comprising:
an anode;
a cathode; and
a protected sulfide glass solid electrolyte, comprising,
a lithium ion conducting sulfide glass sheet having first and second opposing principal side surfaces,
a first converted protective compound layer disposed adjacent to and in direct touching contact with the first principal side surface of the sulfide glass sheet, wherein the first converted protective compound layer comprises a first metal that is not lithium and a first nonmetal, wherein the first nonmetal is selected from the group consisting of a nonmetal chalcogen, a nonmetal halogen, and a nonmetal pnictogen, and
a second converted protective compound layer disposed adjacent to and in direct touching contact with the second principal side surface of the glass sheet, wherein the second converted protective compound layer comprises a second metal that is not lithium and a second nonmetal, wherein the first nonmetal is selected from the group consisting of a nonmetal chalcogen, nonmetal halogen, and nonmetal pnictogen,
wherein the first or second nonmetal is selected from the group consisting of sulfur, nitrogen and iodine.