# US 12,224,399 B2 · Electronic connection in an all-solid state battery at the anode/electrolyte interface

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- Number: US 12,224,399 B2
- Document ID: US12224399B2
- Status: Granted
- Kind: B2
- Application number: 18/539,745
- Filed: 2023-12-14
- Published: 2024-04-25
- Granted: 2025-02-11
- Earliest claimed: 2020-12-16
- Assignees: The United States of America as represented by the Secretary of the Air Force
- Applicants: Government of the United States, as represented by the Secretary of the Air Force
- Inventors: Lawrence G. Scanlon; William A. Feld; Jacob W. Lawson; Leah R. Lucente
- Web page: https://patentgrep.com/patent/US12224399B2

## CPC

- H01M 10/052: Li-accumulators
- H01M 10/0562: Solid materials
- H01M 4/134: Electrodes based on metals, Si or alloys
- H01M 4/1395: of electrodes based on metals, Si or alloys
- H01M 4/382: {Lithium (H01M4/405 takes precedence)}
- H01M 10/0565: Polymeric materials, e.g. gel-type or solid-type
- H01M 10/058: Construction or manufacture
- H01M 2220/30: Batteries in portable systems, e.g. mobile phone, laptop
- H01M 2300/0082: Organic polymers
- H01M 2300/0091: in the form of mixtures
- Y02E 60/10: Energy storage using batteries
- H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

The present invention relates to a solid-state battery that is based on a phthalocyanine solid-state electrolyte/anode connection that is chemically obtained. Such chemical connection process yields a solid electrolyte interphase that connects the solid-state battery's phthalocyanine solid-state electrolyte and anode. Unlike other processes for forming solid-state electrolyte/anode connections, the present chemical process does not require that solid-state electrolyte be ductile and flow under high pressure.

## Claims

### Claim 1

A solid-state battery comprising a lithium metal anode or a lithium-indium alloy anode, a cathode comprising a surface and an interior region, said interior region comprising a phthalocyanine solid-state electrolyte and said surface comprising a layer of phthalocyanine solid-state electrolyte, and a solid electrolyte interphase, said solid electrolyte interphase connecting said phthalocyanine solid-state electrolyte and said lithium metal anode, said solid electrolyte interphase comprising lithium fluoride and an organic amorphous layer that are reaction products of lithium bis(fluorosulfonyl) imide in dimethoxyethane, and a mixture of 1,1,2,2-tetrafluoroethyl-2,2,3,3-tetrafluoropropyl ether and fluoroethylene carbonate, said solid-state battery having a discharge rate of:
a) from about seventeen hours, C/17, to about 2.83 hours, C/2.83, at 23° C. with at least 97% capacity;
b) from about 8.5 hours, C/8.5, at 0° C. with at least 80% capacity;
c) from about three hours to about one hour at 23° C. with at least 97% capacity; or
d) from about three hours to about one hour at 0° C. with at least 80% capacity.

### Claim 2 (depends on 1)

The solid-state battery of claim 1 wherein said anode comprises a lithium metal film having a thickness of from about 20 microns to about 149 microns or from about 50 microns to about 149 microns.

### Claim 3 (depends on 1)

The solid-state battery of claim 1 wherein said anode has a surface area of from about 0.6 cm2 to about 1000 cm2 or from about 0.6 cm2 to about 780 cm2.

### Claim 4 (depends on 1)

The solid-state battery of claim 1 wherein said phthalocyanine solid-state electrolyte comprises one mole of Tributyl(2-ethoxyethyl)ammonium Lithium Phthalocyanine and two moles of lithium bis(fluorosulfonyl) imide.

### Claim 5 (depends on 1)

A device comprising at least one battery according to claim 1.

### Claim 6 (depends on 5)

The device of claim 5, said device being a computer, smart phone, or iPad.