US2021273260A1PendingUtilityA1

Solid-state battery

75
Assignee: FMC LITHIUM USA CORPPriority: Mar 22, 2018Filed: May 5, 2021Published: Sep 2, 2021
Est. expiryMar 22, 2038(~11.7 yrs left)· nominal 20-yr term from priority
Inventors:Marina YakovlevaKenneth Brian FitchJian XiaWilliam Arthur Greeter, Jr.
B22F 1/107B22F 1/103B22F 1/10Y02E60/10H01M 4/622H01M 4/134H01M 2300/0085H01M 2004/027H01M 10/052H01M 4/62H01M 4/386H01M 4/364B22F 2302/40H01M 2300/0065H01M 10/0565H01M 4/1395H01M 4/0419B22F 3/22H01M 4/133B22F 2301/054H01M 4/405H01M 4/1393B22F 3/20H01M 10/0585H01M 4/624H01M 4/602H01M 4/485H01M 4/139H01M 4/0414H01M 4/0411H01M 4/0404H01M 4/131H01M 10/0525C22C 2026/002H01M 4/587H01M 4/382H01M 4/0409H01M 10/0562H01M 4/366H01M 4/625H01M 4/04H01M 4/36H01M 6/40H01M 4/38B22F 2007/042H01M 4/0407Y02P70/50H01M 4/626
75
PatentIndex Score
0
Cited by
0
References
0
Claims

Abstract

A solid-state battery comprising a cathode, an anode and a solid electrolyte is provided. In one embodiment, the cathode, anode and/or solid electrolyte is formed from a printable lithium composition including lithium metal powder, a polymer binder compatible with the lithium metal powder, a rheology modifier compatible with the lithium metal powder, and a solvent compatible with the lithium metal powder and with the polymer binder. In another embodiment, lithium is deposited onto the solid electrolyte with a lithium printable lithium composition including lithium metal powder, a polymer binder compatible with the lithium metal powder, a rheology modifier compatible with the lithium metal powder, and a solvent compatible with the lithium metal powder and with the polymer binder.

Claims

exact text as granted — not AI-modified
That which is claimed is: 
     
         1 . A solid-state battery comprising a cathode, an anode and a solid electrolyte, wherein at least the anode, cathode and/or solid electrolyte is formed from a printable lithium composition comprised on a solution basis of:
 a) 5 to 50 percent of lithium metal powder,   b) 0.1 to 20 of a polymer binder compatible with the lithium metal powder,   c) 0.1 to 30 percent of a rheology modifier compatible with the lithium metal powder, and   d) 50 to 95 percent of a nonpolar solvent compatible with the lithium metal powder and with the polymer binder.   
     
     
         2 . The solid-state battery of  claim 1 , wherein the anode and/or cathode is formed by printing the printable lithium composition onto the anode and/or cathode. 
     
     
         3 . The solid-state battery of  claim 1 , wherein the anode is formed by printing the printable lithium composition onto a current collector. 
     
     
         4 . The solid-state battery of  claim 1 , wherein the anode and/or cathode is formed by coating the anode and/or cathode with the printable lithium composition. 
     
     
         5 . The solid-state battery of  claim 1 , wherein the anode and/or cathode is formed by depositing the printable lithium composition onto the anode and/or cathode using an electric current. 
     
     
         6 . The solid-state battery of  claim 1 , wherein the lithium powder is stabilized lithium metal powder. 
     
     
         7 . The solid-state battery of  claim 1 , wherein the rheology modifier is selected from the group consisting of carbonaceous materials, silicon-containing materials, tin-containing materials, Group IIA oxides, Group IIIA oxides, Group IVB oxides, Group VB oxides and Group VIA oxides. 
     
     
         8 . The solid-state battery of  claim 7 , wherein the carbonaceous material is selected from the group consisting of carbon black, carbon nanotubes, graphite, hard carbon, and graphene. lithium metal powder, a polymer binder compatible with the lithium metal powder, a rheology modifier compatible with the lithium metal powder and the polymer binder, and a solvent compatible with the lithium metal powder and with the polymer binder. 
     
     
         20 . The solid-state battery of  claim 19 , wherein lithium is deposited onto the solid electrolyte by printing the printable lithium composition onto the solid electrolyte. 
     
     
         21 . The solid-state battery of  claim 19 , wherein lithium is deposited onto the solid electrolyte by coating the solid electrolyte with the printable lithium composition. 
     
     
         22 . The solid-state battery of  claim 19 , wherein the lithium powder is stabilized lithium metal powder. 
     
     
         23 . The solid-state battery of  claim 19 , wherein the rheology modifier is selected from the group consisting of carbonaceous materials, silicon-containing materials, tin-containing materials, Group IIA oxides, Group IIIA oxides, Group IVB oxides, Group VB oxides and Group VIA oxides. 
     
     
         24 . The solid-state battery of  claim 23 , wherein the carbonaceous material is selected from the group consisting of carbon black, carbon nanotubes, graphite, hard carbon, and graphene. 
     
     
         25 . The solid-state battery of  claim 23 , wherein the silicon-containing material is selected from the group consisting of silicon nanotubes and fumed silica. 
     
     
         26 . The solid-state battery of  claim 23 , wherein the Group IVB oxide is selected from the group consisting of titanium dioxide and zirconium dioxide. 
     
     
         27 . The solid-state battery of  claim 23 , wherein the Group IIIA oxide is aluminum oxide. 
     
     
         28 . The solid-state battery of  claim 19 , wherein the polymer binder has a molecular weight of 1,000 to 8,000,000 and is selected from the group consisting of unsaturated elastomers, saturated elastomers, thermoplastics, polyacrylic acid, polyvinylidene chloride, and polyvinyl acetate. 
     
     
         9 . The solid-state battery of  claim 7 , wherein the silicon-containing material is selected from the group consisting of silicon nanotubes and fumed silica. 
     
     
         10 . The solid-state battery of  claim 7 , wherein the Group IVB oxide is selected from the group consisting of titanium dioxide and zirconium dioxide. 
     
     
         11 . The solid-state battery of  claim 7 , wherein the Group IIIA oxide is aluminum oxide. 
     
     
         12 . The solid-state battery of  claim 1 , wherein the polymer binder has a molecular weight of 1,000 to 8,000,000 and is selected from the group consisting of unsaturated elastomers, saturated elastomers, thermoplastics, polyacrylic acid, polyvinylidene chloride, and polyvinyl acetate. 
     
     
         13 . The solid-state battery of  claim 12 , wherein the unsaturated elastomer is selected from the group consisting of butadiene rubber, isobutylene, and styrene butadiene rubber. 
     
     
         14 . The solid-state battery of  claim 12 , wherein the saturated elastomer is selected from the group consisting of ethylene propylene diene monomer rubber and ethylene-vinyl acetate. 
     
     
         15 . The solid-state battery of  claim 12 , wherein the thermoplastic is selected from the group consisting of polystyrene, polyethylene and polymers of ethylene oxide. 
     
     
         16 . The solid-state battery of  claim 15 , wherein the polymers of ethylene oxide is selected from the group consisting of poly(ethylene glycol) and poly(ethylene oxide). 
     
     
         17 . The solid-state battery of  claim 1 , wherein the nonpolar solvent is selected from the group consisting of alkanes, toluene, ethylbenzene, cumene, xylene, sulfones, mineral oil, glymes, and isoparaffinic synthetic hydrocarbon solvents. 
     
     
         18 . The solid-state battery of  claim 1 , wherein the lithium is deposited onto the solid electrolyte using the printable lithium composition. 
     
     
         19 . A solid-state battery comprising a cathode, an anode and a solid electrolyte, wherein lithium is deposited onto the solid electrolyte with a lithium printable lithium composition comprised of 
     
     
         29 . The solid-state battery of  claim 28 , wherein the unsaturated elastomer is selected from the group consisting of butadiene rubber, isobutylene, and styrene butadiene rubber. 
     
     
         30 . The solid-state battery of  claim 28 , wherein the saturated elastomer is selected from the group consisting of ethylene propylene diene monomer rubber and ethylene-vinyl acetate. 
     
     
         31 . The solid-state battery of  claim 28 , wherein the thermoplastic is selected from the group consisting of polystyrene, polyethylene and polymers of ethylene oxide. 
     
     
         32 . The solid-state battery of  claim 31 , wherein the polymers of ethylene oxide is selected from the group consisting of poly(ethylene glycol) and poly(ethylene oxide). 
     
     
         33 . The solid-state battery of  claim 19 , wherein the solvent is selected from the group consisting of alkanes, toluene, ethylbenzene, cumene, xylene, sulfones, mineral oil, glymes, and isoparaffinic synthetic hydrocarbon solvents. 
     
     
         34 . The solid-state battery of  claim 19 , wherein the printable lithium composition comprises on a solution basis:
 a) 5 to 50 percent lithium metal powder;   b) 0.1 to 20 percent polymer binder;   c) 0.1 to 30 percent rheology modifier;   d) 50 to 95 percent solvent.   
     
     
         35 . The solid-state battery of  claim 19 , wherein the anode is lithiated using the printable lithium composition.

Cited by (0)

No later patents cite this yet.

References (0)

No backward citations on record.