# US 12,603,358 B2 · Battery housing and battery system comprising such a housing > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,603,358 B2 - Document ID: US12603358B2 - Status: Granted - Kind: B2 - Application number: 17/941,740 - Filed: 2022-09-09 - Published: 2023-03-16 - Granted: 2026-04-14 - Earliest claimed: 2021-09-14 - Assignees: Samsung SDI Co., Ltd. - Applicants: Samsung SDI Co., Ltd. - Inventors: Thomas Burke - Web page: https://patentgrep.com/patent/US12603358B2 ## CPC - H01M 10/658: by thermal insulation or shielding - H01M 50/24: adapted for protecting batteries from their environment, e.g. from corrosion (thermal insulation H01M10/658) - H01M 10/613: Cooling or keeping cold - H01M 10/625: Vehicles - H01M 10/647: Prismatic or flat cells, e.g. pouch cells - H01M 10/653: characterised by electrically insulating or thermally conductive materials - H01M 10/6554: Rods or plates - H01M 10/6556: Solid parts with flow channel passages or pipes for heat exchange (closed pipes H01M10/6552) - H01M 50/204: Racks, modules or packs for multiple batteries or multiple cells - H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence) - H01M 50/222: Inorganic material - H01M 50/224: Metals - H01M 50/227: Organic material - H01M 50/231: having a layered structure - H01M 50/249: specially adapted for aircraft or vehicles, e.g. cars or trains (constructional details of batteries specially adapted for electric vehicles B60L50/64) - H01M 50/293: characterised by the material - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - 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 battery housing accommodates a plurality of battery cells of a battery system and includes a housing frame. The housing frame has an interior space to accommodate a plurality of battery cells of a battery system. The housing frame includes side walls and a thermally insulating layer embedded in a plastic member. The plastic member includes an outer plastic layer covering an outer surface of the side walls and an inner plastic layer covering an inner surface of the side walls opposite the outer surface. ## Claims ### Claim 1 A battery housing for accommodating a plurality of battery cells of a battery system, the battery housing comprising: a housing frame having an interior space configured to accommodate the plurality of battery cells of the battery system, the housing frame comprising: side walls embedded in a plastic member, the plastic member comprising an outer plastic layer covering an outer surface of the side walls and an inner plastic layer covering an inner surface of the side walls opposite the outer surface; a thermally insulating layer embedded in the plastic member; and a cap plate as a top wall of the of the housing frame, the cap plate being embedded in the plastic member along with the thermally insulating layer. ### Claim 2 (depends on 1) The battery housing of claim 1, wherein the thermally insulating layer is embedded in the outer plastic layer. ### Claim 3 (depends on 2) The battery housing of claim 2, wherein the thermally insulating layer is near an outer periphery of the outer plastic layer. ### Claim 4 (depends on 1) The battery housing of claim 1, wherein the thermally insulating layer comprises a first thermally insulating layer and a second thermally insulating layer, wherein the first thermally insulating layer is embedded in the outer plastic layer, and wherein the second thermally insulating layer is embedded in the inner plastic layer. ### Claim 5 (depends on 1) The battery housing of claim 1, wherein the battery housing further comprises structural elements embedded in the plastic member. ### Claim 6 (depends on 5) The battery housing of claim 5, wherein the structural elements are embedded in the outer plastic layer. ### Claim 7 (depends on 6) The battery housing of claim 6, wherein the structural elements are between the thermally insulating layer and a corresponding one of the side walls of the housing frame. ### Claim 8 (depends on 1) The battery housing of claim 1, wherein the side walls are metallic side walls. ### Claim 9 (depends on 8) The battery housing of claim 8, wherein the metallic side walls are made of steel or aluminum. ### Claim 10 (depends on 1) The battery housing of claim 1, wherein the plastic member comprises polyurethane foam. ### Claim 11 (depends on 1) The battery housing of claim 1, wherein the thermally insulating layer comprises a fabric. ### Claim 12 (depends on 11) The battery housing of claim 11, wherein the fabric comprises ceramic and/or glass fibers. ### Claim 13 (depends on 1) The battery housing of claim 1, wherein the battery housing further comprises an air layer between the thermally insulating layer and the side walls. ### Claim 14 (depends on 13) The battery housing of claim 13, wherein the thermally insulating layer is configured to form the air layer when heated. ### Claim 15 (depends on 1) The battery housing of claim 1, wherein the thermally insulating layer is electrically insulative. ### Claim 16 (depends on 1) A battery system comprising the battery housing according to claim 1 and comprising a plurality of battery cells accommodated in the battery housing. ### Claim 17 (depends on 16) The battery system of claim 16, wherein the battery cells contact a cooling plate. ### Claim 18 (depends on 16) An electrical vehicle comprising the battery system according to claim 16.