# US 9,040,192 B2 · Lithium rechargeable battery > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,040,192 B2 - Document ID: US9040192B2 - Status: Granted - Kind: B2 - Application number: 12/409,057 - Filed: 2009-03-23 - Published: 2009-10-01 - Granted: 2015-05-26 - Earliest claimed: 2009-03-23 - Assignees: Samsung SDI Co., Ltd. - Applicants: Seongjoon Lee; Myungjun Lee; Kisung Hong - Inventors: Seongjoon Lee; Myungjun Lee; Kisung Hong - Web page: https://patentgrep.com/patent/US9040192B2 ## CPC - H01M 10/0436: {Small-sized flat cells or batteries for portable equipment} - H01M 10/48: Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte (constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals, H01M50/569) - 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 50/533: characterised by the shape of the leads or tabs - H01M 50/536: characterised by the method of fixing the leads to the electrodes, e.g. by welding - H01M 50/55: on the same side of the cell - H01M 50/553: Terminals adapted for prismatic, pouch or rectangular cells - H01M 50/572: Means for preventing undesired use or discharge - H01M 10/052: Li-accumulators - 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 lithium rechargeable battery including: a bare cell including an electrode assembly disposed in a pouch, the electrode assembly including two electrodes, a separator, and first and second electrode tabs that extend from the electrodes, through a first side of the bare cell; a protecting circuit board electrically connected to the first and second electrode tabs; a first lead plate connected to the protecting circuit board and the first electrode tab, and a second lead plate connected to the protecting circuit board and the second electrode tab. The protecting circuit board is provided on a second side of the bare cell, which is adjacent to the first side. The first and second lead plates are bent to extend along the first and second sides of the pouch. ## Claims ### Claim 1 A lithium rechargeable battery comprising: a bare cell comprising, an electrode assembly comprising first and second electrodes and a separator disposed therebetween, a pouch in which the electrode assembly is housed, and first and second electrode tabs extending from the first and second electrodes, through a first side of the bare cell, and further extending away from the bare cell; a protecting circuit board electrically connected to the first and second electrode tabs, disposed on a second side of the bare cell; a first lead plate connected to the protecting circuit board and the first electrode tab, wherein the first lead plate comprises a first connection tab extending from one side of the first lead plate and away from the bare cell, the first connection tab being electrically coupled with the first electrode tab; and a second lead plate connected to the protecting circuit board and the second electrode tab, wherein the second lead plate comprises a second connection tab extending from one side of the second lead plate and away from the bare cell, the first connection tab being electrically coupled with the second electrode tab, wherein the first lead plate and the second lead plate are bent at a common intersection of the first and second sides of the bare cell, so as to extend along the first and second sides of the bare cell. ### Claim 2 (depends on 1) The lithium rechargeable battery as claimed in claim 1, wherein: the first lead plate extends to the first electrode tab; and the second lead plate extends to the second electrode tab. ### Claim 3 (depends on 1) The lithium rechargeable battery as claimed in claim 1, wherein the first and second electrode tabs are bent to respectively face the first and second lead plates. ### Claim 4 (depends on 1) The lithium rechargeable battery as claimed in claim 1, wherein the first and second lead plates extend in the same plane, across the first side of the bare cell. ### Claim 5 (depends on 4) The lithium rechargeable battery as claimed in claim 4, wherein the first and second lead plates are separated from each other. ### Claim 6 (depends on 4) The lithium rechargeable battery as claimed in claim 4, further comprising insulating members to insulate the first lead plate and the second lead plate. ### Claim 7 (depends on 6) The lithium rechargeable battery as claimed in claim 6, wherein the insulating members are insulating tapes. ### Claim 8 (depends on 7) The lithium rechargeable battery as claimed in claim 7, wherein the insulating tapes comprise polyimide. ### Claim 9 (depends on 1) The lithium rechargeable battery as claimed in claim 1, wherein the first lead plate and the second lead plate overlap each other along the first side of the bare cell. ### Claim 10 (depends on 9) The lithium rechargeable battery as claimed in claim 9, wherein the first lead plate and the second lead plate have the same width as the first side of the bare cell. ### Claim 11 (depends on 9) The lithium rechargeable battery as claimed in claim 9, further comprising insulating members to insulate the first lead plate and the second lead plate. ### Claim 12 (depends on 11) The lithium rechargeable battery as claimed in claim 11, wherein the insulating members are insulating tapes. ### Claim 13 (depends on 12) The lithium rechargeable battery as claimed in claim 12, wherein the insulating tapes comprise polyimide. ### Claim 14 (depends on 9) The lithium rechargeable battery as claimed in claim 9, further comprising an attachment sheet to attach the first lead plate to the second lead plate. ### Claim 15 (depends on 1) The lithium rechargeable battery as claimed in claim 1, wherein: the first lead plate comprises a first connection tab that is connected to the first electrode tab; and the second lead plate comprises a second connection tab that is connected to the second electrode tab. ### Claim 16 (depends on 15) The lithium rechargeable battery as claimed in claim 15, wherein the first and second connection tabs respectively extend from edges of the first and second electrode tabs and are perpendicular to the first side of the bare cell. ### Claim 17 (depends on 15) The lithium rechargeable battery as claimed in claim 15, wherein the first and second connection tabs extend from sides of the first and second lead plates, which face the first and second electrode tabs respectively. ### Claim 18 (depends on 15) The lithium rechargeable battery as claimed in claim 15, wherein the first and second connection tabs have the same area as the first and second electrode tabs. ### Claim 19 (depends on 15) The lithium rechargeable battery as claimed in claim 15, wherein the first and second connection tabs comprise wings that extend therefrom, along the first side of the bare cell. ### Claim 20 (depends on 15) The lithium rechargeable battery as claimed in claim 15, wherein the first and second connection tabs and the first and second electrode tabs are bent to face the first side of the bare cell. ### Claim 21 (depends on 1) The lithium rechargeable battery as claimed in claim 1, wherein: the bare cell is a rectangular prism comprising the first side, an opposing third side, the second side, an opposing fourth side, and first and second main sides that are connected to opposing edges of the first, second, third, and fourth sides. ### Claim 22 (depends on 21) The lithium rechargeable battery as claimed in claim 21, wherein the first and third sides are shorter than the second and fourth sides.