Patent ID: 11955595
Assignee: BIOENNO TECH LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 7:
8. An electrochemical cell which comprises: an anode; a cathode; and interposed therebetween a solid-electrolyte is a fire-resistant, non-flammable, and stable film which comprises:
a polymeric matrix;
a plasticizer;
a lithium salt; and
AlxLi7-xLa3Zr1.75Ta0.25O12 where x ranges from 0.01 to 1 (LLZO), wherein the LLZO are nanoparticles with diameters that range from 20 to 2000 nm, wherein the polymer matrix is PEO and comprises 27 wt % of the film, the lithium salt is LiTFSI and comprises 36 wt % of the film, the plasticizer is SCN and comprises 27 wt % of the film, the LLZO comprises 10 wt % of the film, wherein the film is free standing and has a thickness that ranges from 100 to 900 μm, and the film is thermally stable up to 150° C.