# US 2014/0193678 A1 · Rechargeable battery and module of the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0193678 A1 - Document ID: US20140193678A1 - Status: Published application - Kind: A1 - Application number: 13/914,763 - Filed: 2013-06-11 - Published: 2014-07-10 - Earliest claimed: 2013-01-10 - Assignees: Robert Bosch GmbH; Samsung SDI Co., Ltd. - Applicants: Robert Bosch GmbH; Samsung SDI Co., Ltd. - Inventors: Duk-Jung KIM - Web page: https://patentgrep.com/patent/US20140193678A1 ## CPC - H01M 10/613: Cooling or keeping cold - H01M 10/647: Prismatic or flat cells, e.g. pouch cells - H01M 10/6553: Terminals or leads - H01M 10/6556: Solid parts with flow channel passages or pipes for heat exchange (closed pipes H01M10/6552) - H01M 50/507: comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules - H01M 50/176: for prismatic or rectangular cells (H01M50/181 takes precedence) - H01M 50/516: by welding, soldering or brazing - H01M 50/55: on the same side of the cell - H01M 50/553: Terminals adapted for prismatic, pouch or rectangular cells - H01M 50/566: by welding, soldering or brazing - 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 rechargeable battery includes an electrode assembly that performs charging and discharging; a case in which the electrode assembly is installed; a cap plate coupled to the case; an electrode terminal coupled to a terminal hole of the cap plate; and an insulator between the cap plate and the electrode terminal. The electrode includes a flow path that supplies a cooling fluid to a portion of the electrode terminal coupled with the insulator. ## Claims ### Claim 1 A rechargeable battery, comprising: an electrode assembly that performs charging and discharging; a case in which the electrode assembly is installed; a cap plate coupled to the case; an electrode terminal coupled to a terminal hole of the cap plate; and an insulator between the cap plate and the electrode terminal, the electrode terminal including a flow path that supplies a cooling fluid to a portion of the electrode terminal coupled with the insulator. ### Claim 2 (depends on 1) The rechargeable battery as claimed in claim 1, wherein: the cap plate, the insulator, and the electrode terminal are layered along a height direction of the case, and the flow path penetrates the electrode terminal along the height direction to supply the cooling fluid to an upper surface of the insulator. ### Claim 3 (depends on 1) The rechargeable battery as claimed in claim 1, wherein: the electrode terminal includes a rivet terminal inserted to the terminal hole and a plate terminal connected to the rivet terminal, the plate terminal being on an upper surface of the cap plate in a height direction of the case, the insulator is between the upper surface of the cap plate and a bottom surface of the plate terminal in the height direction, and the flow path penetrates in the height direction through the plate terminal toward the insulator. ### Claim 4 (depends on 3) The rechargeable battery as claimed in claim 3, wherein the insulator includes an exhaust groove that connects the flow path to an outside of the rechargeable battery, the exhaust groove providing a space between the plate terminal and the insulator. ### Claim 5 (depends on 4) The rechargeable battery as claimed in claim 4, wherein the flow path includes: an inlet hole formed in an upper end side of the rivet terminal; a first flow path formed at lateral ends, in a length direction of the cap plate, of the inlet hole; a second flow path connected to lateral sides of the first flow path in a width direction of the cap plate; a third flow path connected to the second flow path along the height direction; and an exhaust hole connected to the third flow path along the width direction of the cap plate. ### Claim 6 A rechargeable battery module, comprising: a first unit cell and a second unit cell, each being formed of a rechargeable battery including an electrode terminal, a cap plate, and an insulator disposed between the electrode terminal and the cap plate; and a bus bar connecting each electrode terminal respectively provided in each cap plate of the first and second unit cells, wherein the bus bar includes connection paths connected to a flow path provided in each electrode terminal to supply a cooling fluid to a portion of the electrode terminal coupled with the insulator. ### Claim 7 (depends on 6) The rechargeable battery module as claimed in claim 6, further comprising a duct mounted to the bus bar to supply the cooling fluid to the connection paths. ### Claim 8 (depends on 7) The rechargeable battery module as claimed in claim 7, wherein the duct includes a receiving groove receiving an upper surface of the bus bar, supply outlet holes provided in the receiving groove, the supply outlet holes being respectively connected to the connection paths, and a supply path connected to the supply outlet holes to supply the cooling fluid to the supply outlet holes.