# US 2025/0096346 A1 · Heat sink fixation through plastic melting > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0096346 A1 - Document ID: US20250096346A1 - Status: Published application - Kind: A1 - Application number: 18/965,761 - Filed: 2024-12-02 - Published: 2025-03-20 - Earliest claimed: 2019-04-18 - Assignees: CPS Technology Holdings LLC - Applicants: CPS Technology Holdings LLC - Inventors: Eric Kar Wai Lee; Chang Liu - Web page: https://patentgrep.com/patent/US20250096346A1 ## CPC - H01M 10/613: Cooling or keeping cold - H01M 10/04: Construction or manufacture in general (H01M10/058, H01M10/12, H01M10/28, H01M10/38 take precedence) - H01M 10/0525: Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries - H01M 10/6554: Rods or plates - H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence) - H01M 50/24: adapted for protecting batteries from their environment, e.g. from corrosion (thermal insulation H01M10/658) - H01M 50/271: Lids or covers for the racks or secondary casings - H01M 50/289: characterised by spacing elements or positioning means within frames, racks or packs (spacing elements inside cells other than separators, membranes or diaphragms H01M50/471) - H01M 2220/10: Batteries in stationary systems, e.g. emergency power source in plant - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product - 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 - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract A battery housing for a battery module is disclosed. The battery housing has a plurality of exterior walls surrounding a base forming an internal section which is configured to receive one or more battery cells. The internal section has a bottom surface. A heat sink is joined to the bottom surface of the battery housing by a plastic deformation of a portion of the housing. A cover encloses the internal section of the battery housing. A battery module and a method of installation of a heat sink in a battery housing are also disclosed. ## Claims ### Claim 1 A battery housing comprising: a plurality of exterior walls coupled to a base forming an internal section which is configured to receive one or more battery cells; a bottom surface in the internal section; a heat sink joined to the bottom surface of the battery housing by a plastic deformation of a portion of the housing; and a cover enclosing the internal section. ### Claim 2 (depends on 1) The battery housing of claim 1, wherein the heat sink is joined to the bottom surface by one or more plastically deformed ribs. ### Claim 3 (depends on 2) The battery housing of claim 2, wherein the one or more plastically deformed ribs extend over an edge and a portion of a surface of the heat sink. ### Claim 4 (depends on 1) The battery housing of claim 1, wherein the heat sink is a planar plate. ### Claim 5 (depends on 1) The battery housing of claim 1, further comprising a plurality of interior walls, wherein one or more exterior walls and one or more interior walls form the internal section. ### Claim 6 (depends on 5) The battery housing of claim 5, comprising a plurality of internal sections. ### Claim 7 (depends on 6) The battery housing of claim 6, comprising a plurality of heat sinks joined to the battery housing in the plurality of internal sections. ### Claim 8 (depends on 1) A battery module having the battery housing of claim 1 and a plurality of battery cells provided in the internal section, wherein the heat sink is provided between the plurality of battery cells and the base, or wherein the plurality of battery cells is seated on top of the heat sink in the internal section and the cover is enclosing the internal section and the plurality of battery cells. ### Claim 9 (depends on 8) The battery module of claim 8, further comprising an isolation component between the plurality of battery cells and the heat sink. ### Claim 10 A battery module comprising: a battery housing having: a base and a plurality of exterior walls surrounding the base forming an internal section which receives one or more battery cells; and a heat sink joined to a bottom surface of the internal section by a plastic deformation of a portion of the housing; a plurality of battery cells seated on top of the heat sink in the internal section; and a cover enclosing the internal section and plurality of battery cells. ### Claim 11 (depends on 10) The battery module of claim 10, wherein the heat sink is joined to the bottom surface by one or more plastically deformed ribs. ### Claim 12 (depends on 11) The battery module of claim 11, wherein the one or more plastically deformed ribs extend over an edge and a portion of a surface of the heat sink. ### Claim 13 (depends on 10) The battery module of claim 10, wherein the heat sink is a planar plate. ### Claim 14 (depends on 10) The battery module of claim 10, further comprising a plurality of interior walls, wherein one or more exterior walls and one or more interior walls form the internal section. ### Claim 15 (depends on 14) The battery module of claim 14, comprising a plurality of internal sections. ### Claim 16 (depends on 15) The battery module of claim 15, comprising a plurality of heat sinks joined to the battery housing in the plurality of internal sections. ### Claim 17 (depends on 10) The battery module of claim 10, further comprising an isolation component between the plurality of battery cells and the heat sink. ### Claim 18 A battery module comprising: a housing having: a base and a plurality of exterior walls surrounding the base forming an internal section; and a heat sink joined to a bottom surface of the internal section by a plastic deformation of a portion of the housing; a plurality of battery cells seated on top of the heat sink in the internal section; and an isolation component separating the plurality of battery cells and the heat sink. ### Claim 19 (depends on 18) The battery module of claim 18, wherein the heat sink is joined to the bottom surface by one or more plastically deformed ribs. ### Claim 20 (depends on 18) The battery module of claim 18, wherein the isolation component comprises an isolation sheet.