Patent ID: 11936066
Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC C  H

Claim 3:
4. An electrochemical cell comprising:
a positive electrode comprising a first electroactive material;
a negative electrode spaced apart from the positive electrode, wherein the negative electrode comprises a second electroactive material;
a porous separator disposed between confronting surfaces of the negative electrode and the positive electrode;
a liquid electrolyte infiltrating one or more of the negative electrode, the positive electrode, and the porous separator; and
lithium ion-exchanged zeolite particles comprising:
cages defined by 8-membered rings, 9-membered rings, 10-membered rings, 12-membered rings or a combination thereof, wherein Li3PO4 is present within the cages; and
Li+ and NH4+ cations; and
wherein the lithium ion-exchanged zeolite particles comprise (i) less than or equal to about 0.1 at % of one or more of Na+, K+, Mg2+, or Ca+; and (ii) NH4+ in an amount greater than an amount of the one or more of Na+, K+, Mg2+, or Ca+.