# US 12,191,471 B2 · Method of manufacturing formed body for electrode > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,191,471 B2 - Document ID: US12191471B2 - Status: Granted - Kind: B2 - Application number: 17/525,976 - Filed: 2021-11-15 - Published: 2022-03-10 - Granted: 2025-01-07 - Earliest claimed: 2019-06-28 - Assignees: FUJIFILM Corporation - Applicants: Fujifilm Corporation - Inventors: Eijiro Iwase; Akihito Fukunaga; Koji Tonohara - Web page: https://patentgrep.com/patent/US12191471B2 ## CPC - H01M 4/0433: {Molding} - H01M 4/0435: {Rolling or calendering} - H01M 4/139: Processes of manufacture - H01M 4/62: Selection of inactive substances as ingredients for active masses, e.g. binders, fillers - H01M 4/624: {Electric conductive fillers} - H01M 4/661: {Metal or alloys, e.g. alloy coatings (H01M4/669 take precedence)} - H01M 10/0525: Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries - H01M 4/525: of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy - H01M 4/587: for inserting or intercalating light metals - H01M 10/0562: Solid materials - H01M 2004/027: {Negative electrodes} - H01M 2004/028: {Positive electrodes} - H01M 2300/0068: inorganic - 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 disclosure provides a method of manufacturing a formed body for an electrode comprising in order: a step of preparing an electrode material containing an electrode active material; a step of supplying the electrode material to a forming mold which has a frame-shaped side wall portion defining a space portion accommodating the electrode material and has a first support placed on a bottom surface of the forming mold; a step of forming the electrode material along an internal shape of the forming mold; and a step of taking out the electrode material from the forming mold. ## Claims ### Claim 1 A method of manufacturing a formed body for an electrode comprising in order: preparing an electrode material containing an electrode active material; supplying the electrode material to a forming mold which has a frame-shaped side wall portion defining a space portion accommodating the electrode material and has a first support placed on a bottom surface of the forming mold; forming the electrode material along an internal shape of the forming mold; and taking out the electrode material from the forming mold, wherein the first support is a release material. ### Claim 2 (depends on 1) The method of manufacturing a formed body for an electrode according to claim 1, wherein in the forming the electrode material, the electrode material and a forming member are brought into direct or indirect contact with each other to form the electrode material. ### Claim 3 (depends on 1) The method of manufacturing a formed body for an electrode according to claim 1, further comprising: placing a second support on the electrode material supplied to the forming mold between the supplying the electrode material and the forming the electrode material. ### Claim 4 (depends on 1) The method of manufacturing a formed body for an electrode according to claim 1, further comprising: placing a second support on the electrode material supplied to the forming mold between the forming the electrode material and the taking out the electrode material. ### Claim 5 (depends on 1) The method of manufacturing a formed body for an electrode according to claim 1, further comprising: placing a second support on the electrode material supplied to the forming mold, wherein the placing the second support and the forming the electrode material are simultaneously performed. ### Claim 6 (depends on 3) The method of manufacturing a formed body for an electrode according to claim 3, wherein the second support is a collector. ### Claim 7 (depends on 1) The method of manufacturing a formed body for an electrode according to claim 1, further comprising: placing the electrode material below the first support in a vertical direction by changing a positional relationship between the first support and the electrode material between the forming the electrode material and the taking out the electrode material. ### Claim 8 (depends on 1) The method of manufacturing a formed body for an electrode according to claim 1, wherein in the taking out the electrode material, the electrode material and the first support are taken out from the forming mold. ### Claim 9 (depends on 1) The method of manufacturing a formed body for an electrode according to claim 1, further comprising: pressurizing the electrode material between the forming the electrode material and the taking out the electrode material, or after the taking out the electrode material. ### Claim 10 (depends on 9) The method of manufacturing a formed body for an electrode according to claim 9, wherein in the pressurizing the electrode material, the electrode material is pressurized in a stepwise manner using a plurality of rolls. ### Claim 11 (depends on 1) The method of manufacturing a formed body for an electrode according to claim 1, wherein the electrode material is supplied to the forming mold by jetting the electrode material from an outlet having an on-off mechanism controlling the supply of the electrode material. ### Claim 12 (depends on 11) The method of manufacturing a formed body for an electrode according to claim 11, wherein the electrode material is supplied to the forming mold while the outlet and the forming mold are relatively moved. ### Claim 13 (depends on 1) The method of manufacturing a formed body for an electrode according to claim 1, wherein a content of a liquid component in the electrode material is 30 mass % or less with respect to a total mass of the electrode material. ### Claim 14 (depends on 1) The method of manufacturing a formed body for an electrode according to claim 1, wherein the electrode material contains a conductive auxiliary agent. ### Claim 15 A method of manufacturing a formed body for an electrode comprising in order: preparing an electrode material containing an electrode active material; supplying the electrode material to a forming mold which has a frame-shaped side wall portion defining a space portion accommodating the electrode material and has a first support placed on a bottom surface of the forming mold; placing a second support on the electrode material supplied to the forming mold; forming the electrode material along an internal shape of the forming mold; and taking out the electrode material from the forming mold, wherein the second support is a collector. ### Claim 16 (depends on 15) The method of manufacturing a formed body for an electrode according to claim 15, further comprising: placing the electrode material below the first support in a vertical direction by changing a positional relationship between the first support and the electrode material between the forming the electrode material and the taking out the electrode material. ### Claim 17 (depends on 15) The method of manufacturing a formed body for an electrode according to claim 15, pressurizing the electrode material between the forming the electrode material and the taking out the electrode material, or after the taking out the electrode material. ### Claim 18 A method of manufacturing a formed body for an electrode comprising in order: preparing an electrode material containing an electrode active material; supplying the electrode material to a forming mold which has a frame-shaped side wall portion defining a space portion accommodating the electrode material and has a first support placed on a bottom surface of the forming mold; forming the electrode material along an internal shape of the forming mold; placing a second support on the electrode material supplied to the forming mold; and taking out the electrode material from the forming mold. ### Claim 19 (depends on 18) The method of manufacturing a formed body for an electrode according to claim 18, further comprising: placing the electrode material below the first support in a vertical direction by changing a positional relationship between the first support and the electrode material between the forming the electrode material and the taking out the electrode material. ### Claim 20 (depends on 18) The method of manufacturing a formed body for an electrode according to claim 18, pressurizing the electrode material between the forming the electrode material and the taking out the electrode material, or after the taking out the electrode material.