# US 2022/0285671 A1 · Lithium sulfate coated anode active material > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0285671 A1 - Document ID: US20220285671A1 - Status: Published application - Kind: A1 - Application number: 17/652,949 - Filed: 2022-03-01 - Published: 2022-09-08 - Earliest claimed: 2021-03-03 - Assignees: StoreDot Ltd. - Applicants: Storedot Ltd. - Inventors: Shirel COHEN - Web page: https://patentgrep.com/patent/US20220285671A1 ## CPC - H01M 4/366: {as layered products} - H01M 4/0404: {by coating on electrode collectors} - H01M 4/131: Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx - H01M 4/133: Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx - H01M 4/134: Electrodes based on metals, Si or alloys - H01M 4/1391: of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx - H01M 4/1393: of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx - H01M 4/1395: of electrodes based on metals, Si or alloys - H01M 4/364: {as mixtures} - H01M 4/386: {Silicon or alloys based on silicon} - H01M 4/387: {Tin or alloys based on tin} - H01M 4/483: {for non-aqueous cells (H01M4/485 takes precedence)} - H01M 4/485: of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy (H01M4/505, H01M4/525 take precedence) - H01M 4/587: for inserting or intercalating light metals - H01M 4/62: Selection of inactive substances as ingredients for active masses, e.g. binders, fillers - H01M 4/621: {Binders} - H01M 10/0525: Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries - H01M 2004/027: {Negative electrodes} - 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 A manufacturing method related to a slurry, the method may include preparing a slurry that comprises anode active material, one or more binders and one or more additives, wherein the anode active material are partially coated anode active material that are partially coated with lithium sulfate ## Claims ### Claim 1 A manufacturing method related to a slurry, the method comprises: preparing a slurry that comprises anode active material, one or more binders and one or more additives, wherein the anode active material are partially coated anode active material that are partially coated with lithium sulfate. ### Claim 2 (depends on 1) The manufacturing method according to claim 1, wherein the preparing of the slurry comprises mixing the anode active material, the lithium sulfate, the one or more binders, and the one or more additives. ### Claim 3 (depends on 1) The manufacturing method according to claim 1, wherein the preparing of the slurry comprises: mixing the anode active material with the lithium sulfate to provide the partially coated anode active material; and mixing the partially coated anode active material with the one or more binders, and the one or more additives. ### Claim 4 (depends on 1) The manufacturing method according to claim 1, wherein the anode active material are graphite. ### Claim 5 (depends on 1) The manufacturing method according to claim 1, wherein the anode active material are carbon that differ from graphite. ### Claim 6 (depends on 1) The manufacturing method according to claim 1, wherein the anode active material are metalloid compound. ### Claim 7 (depends on 1) The manufacturing method according to claim 1, wherein the anode active material are lithium titanate oxide. ### Claim 8 (depends on 1) The manufacturing method according to claim 1, wherein the anode active material are a mixture of at least two of (a) graphite, (b) carbon that differ from graphite, (c) metalloid compound, or (d) lithium titanate oxide. ### Claim 9 (depends on 1) The manufacturing method according to claim 1, comprising determining a percentage of lithium sulfate in relation to the anode active material based on a consumption of Ethylene sulfate by an anode of a lithium ion cell from an electrolyte of the lithium ion battery. ### Claim 10 (depends on 1) The manufacturing method according to claim 1, wherein a percentage of lithium sulfate in relation to the anode active material is determined based on a consumption of Ethylene sulfate by an anode of a lithium ion cell from an electrolyte of the lithium ion battery. ### Claim 11 (depends on 1) The manufacturing method according to claim 1, further comprising providing electrolyte that lacks Ethylene sulfate. ### Claim 12 A slurry that comprises anode active material, one or more binders and one or more additives, wherein the anode active material are partially coated anode active material that are partially coated with lithium sulfate. ### Claim 13 (depends on 12) The slurry according to claim 12, wherein the slurry is manufactured by a manufacturing process that comprises mixing the anode active material, the lithium sulfate, the one or more binders, and the one or more additives. ### Claim 14 (depends on 12) The slurry according to claim 12, wherein the slurry is manufactured by a manufacturing process that comprises: mixing the anode active material with the lithium sulfate to provide the partially coated anode active material; and mixing the partially coated anode active material with the one or more binders, and the one or more additives. ### Claim 15 (depends on 12) The slurry according to claim 12, wherein the anode active material are graphite. ### Claim 16 (depends on 12) The slurry according to claim 12, wherein the anode active material are carbon that differ from graphite. ### Claim 17 (depends on 12) The slurry according to claim 12, wherein the anode active material are metalloid compound. ### Claim 18 (depends on 12) The slurry according to claim 12, wherein the anode active material are lithium titanate oxide. ### Claim 19 (depends on 12) The slurry according to claim 12, wherein the anode active material are a mixture of at least two of (a) graphite, (b) carbon that differ from graphite, (c) metalloid compound, or (d) lithium titanate oxide. ### Claim 20 (depends on 12) The slurry according to claim 12, wherein the slurry is manufactured by a manufacturing process that comprises determining a percentage of lithium sulfate in relation to the anode active material based on a consumption of Ethylene sulfate by an anode of a lithium ion cell from an electrolyte of the lithium ion battery. ### Claim 21 (depends on 12) The slurry according to claim 12, wherein a percentage of lithium sulfate in relation to the anode active material is determined based on a consumption of Ethylene sulfate by an anode of a lithium ion cell from an electrolyte of the lithium ion battery. ### Claim 22 An anode of a lithium ion cell, wherein the anode is manufactured by a manufacturing method that comprises preparing a slurry that comprises anode active material, one or more binders and one or more additives, wherein the anode active material are partially coated anode active material that are partially coated with lithium sulfate. ### Claim 23 A rechargeable lithium ion cell that is manufactured by a manufacturing method that comprises preparing a slurry that comprises anode active material, one or more binders and one or more additives, wherein the anode active material are partially coated anode active material that are partially coated with lithium sulfate. ### Claim 24 A method for power supply, wherein the method comprises supplying power by a rechargeable lithium ion cell, wherein the rechargeable lithium ion cell is manufactured by a manufacturing method that comprises preparing a slurry that comprises anode active material, one or more binders and one or more additives, wherein the anode active material are partially coated anode active material that are partially coated with lithium sulfate.