# US 2014/0193703 A1 · Rechargeable battery > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0193703 A1 - Document ID: US20140193703A1 - Status: Published application - Kind: A1 - Application number: 13/872,197 - Filed: 2013-04-29 - Published: 2014-07-10 - Earliest claimed: 2013-01-08 - Assignees: Robert Bosch GmbH; Samsung SDI Co., Ltd. - Applicants: Samsung SDI Co., Ltd.; Robert Bosch GmbH - Inventors: Dukjung KIM - Web page: https://patentgrep.com/patent/US20140193703A1 ## CPC - H01M 50/176: for prismatic or rectangular cells (H01M50/181 takes precedence) - H01M 50/147: Lids or covers - H01M 50/55: on the same side of the cell - H01M 50/553: Terminals adapted for prismatic, pouch or rectangular cells - H01M 50/562: characterised by the material - H01M 50/566: by welding, soldering or brazing - 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 rechargeable battery including an electrode assembly, the electrode assembly including a first electrode plate, a second electrode plate, and a separator; a first terminal electrically connected to the first electrode plate; a second terminal electrically connected to the second electrode plate; a case accommodating the electrode assembly and portions of the first terminal and second terminal; a cap assembly sealing the case, the cap assembly being electrically connected to the first terminal; and dish-shaped first and second connection plates on the first terminal and the second terminal, respectively, the first and second connection plates being configured to invert in response to a predetermined pressure respectively applied to the first terminal and the second terminal. ## Claims ### Claim 1 A rechargeable battery, comprising: an electrode assembly, the electrode assembly including a first electrode plate, a second electrode plate, and a separator; a first terminal electrically connected to the first electrode plate; a second terminal electrically connected to the second electrode plate; a case accommodating the electrode assembly and portions of the first terminal and second terminal; a cap assembly sealing the case, the cap assembly being electrically connected to the first terminal; and dish-shaped first and second connection plates on the first terminal and the second terminal, respectively, the first and second connection plates being configured to invert in response to a predetermined pressure respectively applied to the first terminal and the second terminal. ### Claim 2 (depends on 1) The rechargeable battery as claimed in claim 1, wherein the first terminal further includes: a first collector plate electrically connected to the first electrode plate and having a second region adjacent to the cap assembly, and a first electrode terminal on the cap assembly and electrically connected to the cap assembly, wherein the first connection plate is interposed between a portion of the cap assembly and the second region of the first collector plate and electrically connects the cap assembly to the first collector plate. ### Claim 3 (depends on 2) The rechargeable battery as claimed in claim 2, wherein the first connection plate has a downwardly convex dish shape in which a central bulge thereof is electrically connected to the first collector plate and an edge portion thereof is electrically connected to the cap assembly. ### Claim 4 (depends on 3) The rechargeable battery as claimed in claim 3, wherein the first terminal further includes a first elastic supporting member between a top portion of the central bulge of the first connection plate and the first electrode terminal. ### Claim 5 (depends on 2) The rechargeable battery as claimed in claim 2, wherein: an edge portion of the first connection plate is welded to the cap assembly, and a portion of the cap assembly welded to the edge portion is an outer peripheral edge of a first electrode hole in the cap assembly. ### Claim 6 (depends on 2) The rechargeable battery as claimed in claim 2, wherein the first electrode terminal includes a first terminal hole passing therethrough from a top surface to a bottom surface of the first electrode terminal such that the first electrode terminal has a ring-shaped horizontal section. ### Claim 7 (depends on 2) The rechargeable battery as claimed in claim 2, wherein the second terminal further includes: a second collector plate electrically connected to the second electrode plate and having a collector plate protrusion adjacent to a top portion of the cap assembly, and a second electrode terminal on the cap assembly and electrically insulated from the cap assembly, wherein the second connection plate is on the cap assembly and electrically connects the second collector plate to the second electrode terminal. ### Claim 8 (depends on 7) The rechargeable battery as claimed in claim 7, wherein the second connection plate has a downwardly convex dish shape in which a central bulge thereof is electrically connected to the second collector plate and an edge portion thereof is electrically connected to the second electrode terminal. ### Claim 9 (depends on 8) The rechargeable battery as claimed in claim 8, wherein the edge portion of the second connection plate is welded to the second electrode terminal. ### Claim 10 (depends on 8) The rechargeable battery as claimed in claim 8, wherein the second terminal further includes a second elastic supporting member between a top portion of the central bulge of the second connection plate and the second electrode terminal. ### Claim 11 (depends on 10) The rechargeable battery as claimed in claim 10, wherein the second electrode terminal further includes a second terminal protrusion horizontally protruding to a top portion of the second terminal hole. ### Claim 12 (depends on 7) The rechargeable battery as claimed in claim 7, wherein the second electrode terminal includes a second terminal hole passing therethrough from a top surface to a bottom surface of the second electrode terminal such that the second electrode terminal has a ring-shaped horizontal section. ### Claim 13 (depends on 1) The rechargeable battery as claimed in claim 1, wherein the first terminal further includes: a first collector plate electrically connected to the first electrode plate and having a collector plate protrusion adjacent to a top portion of the cap assembly, and a first electrode terminal on the cap assembly and electrically connected to the cap assembly, wherein the first connection plate has a downwardly convex dish shape in which a central bulge thereof is electrically connected to the collector plate protrusion and an edge portion thereof is electrically connected to the cap assembly and the first electrode terminal. ### Claim 14 (depends on 13) The rechargeable battery as claimed in claim 13, wherein: the edge portion of the first connection plate is interposed and welded between the cap assembly and the first electrode terminal, and a portion of the cap assembly welded to the edge portion is an outer peripheral edge of a first electrode hole formed in the cap assembly. ### Claim 15 (depends on 14) The rechargeable battery as claimed in claim 14, wherein the central bulge of the first connection plate passes through the first electrode hole of the cap assembly and is electrically connected to the first collector plate. ### Claim 16 (depends on 1) The rechargeable battery as claimed in claim 1, wherein the first terminal further includes: a first collector plate electrically connected to the first electrode plate and having a collector plate protrusion adjacent to a top portion of the cap assembly, and a first electrode terminal on the cap assembly and electrically connected to the cap assembly, wherein the first connection plate is on the cap assembly and electrically connects the first electrode terminal to the collector plate protrusion. ### Claim 17 (depends on 16) The rechargeable battery as claimed in claim 16, wherein the first electrode terminal includes a first terminal hole passing therethrough from a top surface to a bottom surface of the first electrode terminal such that the first electrode terminal has a ring-shaped horizontal section. ### Claim 18 (depends on 17) The rechargeable battery as claimed in claim 17, wherein the first connection plate has a downwardly convex dish shape in which a central bulge thereof is electrically connected to the first collector plate and an edge portion thereof is electrically connected to the first electrode terminal. ### Claim 19 (depends on 17) The rechargeable battery as claimed in claim 17, wherein the first electrode terminal further includes a first terminal protrusion horizontally protruding to a top portion of the first terminal hole. ### Claim 20 (depends on 16) The rechargeable battery as claimed in claim 16, wherein the cap assembly includes a first electrode hole passing therethrough from a top surface to a bottom surface of the cap assembly, and the first collector plate is electrically connected to the first connection plate while passing through the first electrode hole.