# US 12,603,345 B2 · Battery pack and vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,603,345 B2 - Document ID: US12603345B2 - Status: Granted - Kind: B2 - Application number: 18/009,129 - Filed: 2021-03-30 - Published: 2023-07-20 - Granted: 2026-04-14 - Earliest claimed: 2020-06-09 - Assignees: BYD Company Limited - Applicants: BYD Company Limited - Inventors: Liangwen Tan; Jing Tan; Wenhui Chen - Web page: https://patentgrep.com/patent/US12603345B2 ## CPC - H01M 10/615: Heating or keeping warm - H01M 10/617: for achieving uniformity or desired distribution of temperature - H01M 10/613: Cooling or keeping cold - H01M 10/625: Vehicles - H01M 10/647: Prismatic or flat cells, e.g. pouch cells - H01M 10/6552: Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes - 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 10/6568: characterised by flow circuits, e.g. loops, located externally to the cells or cell casings - 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 50/224: Metals - H01M 50/24: adapted for protecting batteries from their environment, e.g. from corrosion (thermal insulation H01M10/658) - H01M 50/242: adapted for protecting batteries against vibrations, collision impact or swelling - H01M 50/244: Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method - 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 50/264: for cells or batteries, e.g. straps, tie rods or peripheral frames - H01M 50/271: Lids or covers for the racks or secondary casings - 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 pack includes a tray and a vapor chamber. The tray includes two first edge beams, and the two first edge beams are respectively disposed on two opposite sides of a receiving space having a top opening. The vapor chamber is disposed at the top opening of the tray and comprises two opposite first edge portions, and the two first edge portions are respectively mounted on the two first edge beams. One of a first edge beam and a corresponding first edge portion mounted thereon comprises an inner surface that faces the receiving space and includes a clamping slot, and the other one of the first edge beam and the corresponding first edge portion is inserted into the clamping slot. ## Claims ### Claim 1 A battery pack, comprising a tray and a thermal plate; wherein the tray comprises two first edge beams, and the two first edge beams are respectively disposed on two opposite sides of a receiving space having a top opening; a plurality of cooling tubes disposed on an outer surface of the thermal plate facing away from the receiving space, wherein a heater is disposed between two adjacent cooling tubes; the thermal plate is disposed at the top opening of the tray and comprises two opposite first edge portions, and the two first edge portions are respectively mounted on the two first edge beams; and one of a first edge beam and a corresponding first edge portion mounted thereon comprises an inner surface facing the receiving space and comprising a clamping slot, and the other one of the first edge beam and the corresponding first edge portion is inserted into the clamping slot. ### Claim 2 (depends on 1) The battery pack according to claim 1, wherein the clamping slot is disposed on an inner surface of the first edge beam facing the receiving space, and the corresponding first edge portion is inserted into the clamping slot. ### Claim 3 (depends on 2) The battery pack according to claim 2, wherein the corresponding first edge portion contacts with or abuts against a bottom wall of the clamping slot, and the corresponding first edge portion is adhered to a side wall of the clamping slot. ### Claim 4 (depends on 1) The battery pack according to claim 1, wherein the cooling tubes and the thermal plate are formed integrally by aluminum-extrusion, and the heater comprises a heating film. ### Claim 5 (depends on 4) The battery pack according to claim 4, wherein a thickness of the cooling tubes is greater than a thickness of the heating film. ### Claim 6 (depends on 1) The battery pack according to claim 1, wherein the tray comprises a reinforcing beam and two second edge beams disposed opposite to each other, the two first edge beams and the two second edge beams surround the receiving space, and the reinforcing beam is parallel with the two second edge beams. ### Claim 7 (depends on 6) The battery pack according to claim 6, wherein the thermal plate comprises a connecting region and a bearing region, a thickness of the connecting region is greater than a thickness of the bearing region, and the connecting region is connected to the reinforcing beam. ### Claim 8 (depends on 7) The battery pack according to claim 7, wherein the connecting region of the thermal plate vapor chamber is riveted or screwed to the reinforcing beam. ### Claim 9 (depends on 6) The battery pack according to claim 6, wherein the reinforcing beam is parallel to the two second edge beams along a lengthwise direction of the reinforcing beam, two bosses are disposed on the inner surface of the thermal plate facing the receiving space, and the two bosses respectively abut against two end surfaces of the reinforcing beam along the lengthwise direction. ### Claim 10 (depends on 1) The battery pack according to claim 1, wherein the thermal plate comprises a connecting member to connect to a vehicle. ### Claim 11 (depends on 1) The battery pack according to claim 1, further comprising a battery module disposed in the receiving space, wherein the thermal plate is bonded to the battery module. ### Claim 12 (depends on 1) The battery pack according to claim 1, further comprising a cover plate, wherein the cover plate is located on the thermal plate and covers the top opening of the receiving space, and a sealing cushion is disposed between the cover plate and the thermal plate. ### Claim 13 A vehicle comprising a battery pack comprising a tray and a thermal plate, wherein the tray comprises two first edge beams, and the two first edge beams are respectively disposed on two opposite sides of a receiving space having a top opening; a plurality of cooling tubes disposed on an outer surface of the thermal plate facing away from the receiving space, wherein a heater is disposed between two adjacent cooling tubes; the thermal plate is disposed at the top opening of the tray and comprises two opposite first edge portions, and the two first edge portions are respectively mounted on the two first edge beams; and one of a first edge beam and a corresponding first edge portion mounted thereon comprises an inner surface facing the receiving space and comprising a clamping slot, and the other one of the first edge beam and the corresponding first edge portion is inserted into the clamping slot. ### Claim 14 (depends on 13) The vehicle according to claim 13, wherein the clamping slot is disposed on an inner surface of the first edge beam facing the receiving space, and the corresponding first edge portion is inserted into the clamping slot. ### Claim 15 (depends on 14) The vehicle according to claim 14, wherein the corresponding first edge portion contacts with or abuts against a bottom wall of the clamping slot, and the corresponding first edge portion is adhered to a side wall of the clamping slot.