# US 10,312,496 B2 · Rechargeable battery having a current distribution member > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,312,496 B2 - Document ID: US10312496B2 - Status: Granted - Kind: B2 - Application number: 14/564,712 - Filed: 2014-12-09 - Published: 2015-10-22 - Granted: 2019-06-04 - Earliest claimed: 2014-04-17 - Assignees: Samsung SDI Co., Ltd. - Applicants: Samsung SDI Co., Ltd. - Inventors: Sang-June Bae; Seok-Joon Yoon - Web page: https://patentgrep.com/patent/US10312496B2 ## CPC - H01M 10/0413: {Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes} - H01M 50/176: for prismatic or rectangular cells (H01M50/181 takes precedence) - H01M 50/528: Fixed electrical connections, i.e. not intended for disconnection - H01M 50/536: characterised by the method of fixing the leads to the electrodes, e.g. by welding - H01M 50/578: in response to pressure - H01M 50/581: in response to temperature - H01M 50/583: in response to current, e.g. fuses - H01M 50/593: Spacers; Insulating plates - H01M 50/15: for prismatic or rectangular cells (H01M50/153 takes precedence) - H01M 50/545: formed by the casing of the cells (cup shaped terminals adapted for cells having curved cross-section H01M50/56) - H01M 2200/00: Safety devices for primary or secondary batteries - H01M 2200/103: Fuse - H01M 2200/20: Pressure-sensitive devices - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - 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 including a first electrode and a second electrode; a case accommodating the electrode assembly; a cap assembly coupled with the case, the cap assembly including a terminal; a first current collecting member, the first current collecting member including a fuse portion connecting the terminal with the first electrode, and an electrode bonding portion fixed to the electrode assembly, the fuse portion having a lower melting point than other portions of the first current collecting member; and a current distribution member fixed to the first current collecting member, the current distribution member electrically connecting the first current collecting member with the case. ## Claims ### Claim 1 A rechargeable battery, comprising: an electrode assembly consisting of a first electrode, a separator, and a second electrode; a case accommodating the electrode assembly; a cap assembly coupled with the case, the cap assembly including a terminal; a first current collecting member, the first current collecting member including: a fuse portion connecting the terminal with the first electrode, and an electrode bonding portion fixed to the electrode assembly, the fuse portion having a lower melting point than other portions of the first current collecting member; a current distribution member fixed to the first current collecting member, the current distribution member electrically connecting the first current collecting member with the case; and a safety member that is electrically connected to the second electrode, the safety member being between the electrode assembly and the case, wherein the current distribution member is fixed to the first current collecting member at a connecting path that is between the fuse portion and the electrode assembly such that the current distribution member forms a current path from the connecting path to the case, wherein the cap assembly includes: a cap plate coupled with the case, and a connecting member that electrically connects the terminal with the cap plate, and wherein the safety member includes a safety member side plate that faces a flat side surface of the electrode assembly, a surface of the safety member side plate that faces the electrode assembly including an insulating film thereon, wherein the current distribution member includes: a current collecting member-fixing portion that is fixed to the first current collecting member, and a case fixing portion that is fixed to the case, wherein the case fixing portion is fixed to a bottom inner side of the case such that the case fixing portion is electrically connected to the bottom inner side of the case, wherein the bottom inner side of the case faces the electrode assembly, and wherein the case fixing portion is directly adjacent to the electrode assembly. ### Claim 2 (depends on 1) The rechargeable battery of claim 1, wherein the connecting member is coated with a resistive layer, the resistive layer being formed of a synthetic resin. ### Claim 3 (depends on 1) The rechargeable battery as claimed in claim 1, wherein the safety member further includes: a fixing tab that protrudes from the safety member side plate and that is attached to the electrode bonding portion. ### Claim 4 (depends on 1) The rechargeable battery as claimed in claim 1, wherein the first current collecting member includes: a terminal bonding portion that is bonded to the terminal, and a current collecting member side plate that is bent from the terminal bonding portion and that connects the terminal bonding portion with the electrode bonding portion. ### Claim 5 (depends on 4) The rechargeable battery as claimed in claim 4, wherein the fuse portion is in the terminal bonding portion. ### Claim 6 (depends on 5) The rechargeable battery as claimed in claim 5, wherein the current collecting member-fixing portion is fixed to the current collecting member side plate. ### Claim 7 (depends on 5) The rechargeable battery as claimed in claim 5, wherein the current collecting member-fixing portion is fixed to the electrode bonding portion. ### Claim 8 (depends on 5) The rechargeable battery as claimed in claim 5, wherein the case fixing portion is also fixed to a lateral side of the case, the lateral side extending between the cap assembly and a bottom of the case. ### Claim 9 (depends on 5) The rechargeable battery as claimed in claim 5, wherein: the current distribution member includes two current collecting member-fixing portions that are spaced apart from each other, and a lower portion of the current collecting member side plate is in a supporting groove that is between the current collecting member-fixing portions. ### Claim 10 (depends on 1) The rechargeable battery as claimed in claim 1, wherein the fuse portion is enclosed by a heat conductive member.