# US 2019/0379014 A1 · Battery cooling device for vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0379014 A1 - Document ID: US20190379014A1 - Status: Published application - Kind: A1 - Application number: 16/172,666 - Filed: 2018-10-26 - Published: 2019-12-12 - Earliest claimed: 2018-06-07 - Assignees: Hyundai Motor Company; Kia Motors Corporation - Applicants: Hyundai Motor Company; Kia Motors Corporation - Inventors: Yoon Cheol Jeon - Web page: https://patentgrep.com/patent/US20190379014A1 ## CPC - H01M 10/613: Cooling or keeping cold - F28D 9/0062: {the conduits for one heat-exchange medium being formed by spaced plates with inserted elements (F28D9/0012, F28D9/0025, F28D9/0081, F28D9/04 take precedence)} - F28D 15/02: in which the medium condenses and evaporates, e.g. heat pipes {(heat pipes used in solar heat collectors F24S10/95; in radiators F28D1/0226; in nuclear reactors G21C15/257)} - F28D 15/0233: {the conduits having a particular shape, e.g. non-circular cross-section, annular (F28D15/0241, F28D15/0266 take precedence)} - H01M 10/617: for achieving uniformity or desired distribution of temperature - 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 10/6567: Liquids - H01M 10/6569: Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation (heat pipes H01M10/6552) - H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence) - F28D 2021/0028: {for cooling heat generating elements, e.g. for cooling electronic components or electric devices} - F28D 2021/008: {for vehicles} - F28F 3/02: Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations (F28F3/08 takes precedence) - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - F28D: HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT (fluid heaters having heat generating means and heat transferring means F24H; furnaces F27; details of heat-exchange apparatus of general) - F28F: DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION (water and air traps, air venting F16) - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A battery cooling device for a vehicle is provided. The battery cooling device generates a continuous phase change of the refrigerant within an entire area of a refrigerant channel having a refrigerant flowing for cooling a battery module to maximize a cooling performance of all battery cells of the battery module, and enable even cooling of the battery cells. ## Claims ### Claim 1 A battery cooling device for a vehicle for cooling a battery module composed of a plurality of battery cells, comprising: a refrigerant plate that extends in arranged directions of the plurality of battery cells and includes a refrigerant flowing for cooling the plurality of battery cells; and a coolant plate disposed to enable heat exchange with the refrigerant plate, and having a coolant flowing for liquefying a refrigerant evaporated by heat produced in the battery cells, wherein the refrigerant plate includes: a first plate member disposed to enable heat exchange with the plurality of battery cells; a second plate member disposed to enable heat exchange with the coolant plate; and a refrigerant channel disposed between the first plate member and the second plate member, and having the refrigerant flowing in the refrigerant channel. ### Claim 2 (depends on 1) The battery cooling device of claim 1, wherein the first plate member is disposed to be in contact with the plurality of battery cells, and the second plate member is disposed to be in contact with the coolant plate. ### Claim 3 (depends on 2) The battery cooling device of claim 2, wherein the first plate member includes a first corrugated part having ridges and grooves on a surface of the first plate member which is not in contact with the plurality of battery cells, and the second plate member includes a second corrugated part having ridges and grooves on a surface of the second plate member which is not in contact with the coolant plate, and the first corrugated part and the second corrugated part are spaced apart from each other at an interval corresponding to a width of the refrigerant channel. ### Claim 4 (depends on 3) The battery cooling device of claim 3, wherein the first plate member and the second plate member are flat plates. ### Claim 5 (depends on 3) The battery cooling device of claim 3, wherein the refrigerant channel includes a plurality of refrigerant heating channels in which the refrigerant is heated by heat exchange with the battery cells, and a plurality of refrigerant cooling channels in which the refrigerant is cooled by heat exchange with the coolant plate, each of the refrigerant heating channels and each of the refrigerant cooling channels being alternately disposed in the arranged directions of the battery cells. ### Claim 6 (depends on 5) The battery cooling device of claim 5, wherein the refrigerant heating channel is disposed between the battery cells and the coolant plate to neighbor the battery cells, and the refrigerant cooling channel is disposed between the battery cells and the coolant plate to neighbor the coolant plate. ### Claim 7 (depends on 1) The battery cooling device of claim 1, wherein cell covers supporting the plurality of battery cells and the refrigerant plate are in contact with each other via a first interface member made of a thermal interface material for filling the gap or the pore space between the cell covers and the refrigerant plate. ### Claim 8 (depends on 1) The battery cooling device of claim 1, wherein the coolant plate and the refrigerant plate are in contact with each other via a second interface member made of a thermal interface material for filling the gap or the pore space between the coolant plate and the refrigerant plate. ### Claim 9 (depends on 5) The battery cooling device of claim 5, wherein the refrigerant channel includes a refrigerant transfer channel disposed between the refrigerant heating channel and the refrigerant cooling channel. ### Claim 10 (depends on 3) The battery cooling device of claim 3, wherein the first corrugated part includes at least one fin that extends therefrom toward the refrigerant heating channel, and the second corrugated part includes at least one fin that extends therefrom toward the refrigerant cooling channel. ### Claim 11 (depends on 10) The battery cooling device of claim 10, wherein the fin disposed on the first corrugated part and the fin disposed on the second corrugated part are joined on surfaces of the first corrugated part and the second corrugated part respectively by any one joining method selected among furnace brazing, resistance welding, ultrasonic welding, and laser welding.