# US 10,374,249 B2 · Rechargeable battery > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,374,249 B2 - Document ID: US10374249B2 - Status: Granted - Kind: B2 - Application number: 15/653,865 - Filed: 2017-07-19 - Published: 2018-01-25 - Granted: 2019-08-06 - Earliest claimed: 2016-07-20 - Assignees: Samsung SDI Co., Ltd. - Applicants: Samsung SDI Co., Ltd. - Inventors: Young Chang Lim; Kyung Kim; Wonseok Kim; Sangheon Lee; Jandee Kim; Kyeongyi Heo - Web page: https://patentgrep.com/patent/US10374249B2 ## CPC - H01M 10/0431: {Cells with wound or folded electrodes (H01M10/045 takes precedence)} - H01M 10/052: Li-accumulators - H01M 10/0587: of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators - H01M 10/281: {Large cells or batteries with stacks of plate-like electrodes} - H01M 10/425: {Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K1/00)} - H01M 50/531: Electrode connections inside a battery casing - H01M 50/586: inside the batteries, e.g. incorrect connections of electrodes - H01M 50/595: Tapes - 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 includes an electrode assembly including a first electrode, a second electrode, and a separator, the first electrode and the second electrode being wound with the separator therebetween, and a case to receive the electrode assembly, wherein the first electrode includes a first tab part having a first coating region and a plurality of first uncoated tabs protruding out of the first coating region, the first coating region being coated with a first active material, and the plurality of first uncoated tabs not being coated with the first active material, and a first non-tab part connected to the first tab part, the first non-tab part wrapping the first tab part at an outermost portion thereof at least one time. ## Claims ### Claim 1 A rechargeable battery, comprising: an electrode assembly including a first electrode, a second electrode, and a separator, the first electrode and the second electrode being wound with the separator therebetween; and a case to receive the electrode assembly, wherein the first electrode includes: a first tab part having a first coating region and a plurality of first uncoated tabs protruding out of the first coating region, the first coating region being coated with a first active material, and the plurality of first uncoated tabs not being coated with the first active material, and a first non-tab part connected to the first tab part, the first non-tab part wrapping the first tab part at an outermost portion thereof three times. ### Claim 2 (depends on 1) The rechargeable battery as claimed in claim 1, further comprising a first lead tab electrically connecting the plurality of first uncoated tabs, the first lead tab being drawn out from the case. ### Claim 3 (depends on 1) The rechargeable battery as claimed in claim 1, wherein the first non-tab part includes a coating region coated with the first active material without an uncoated tab. ### Claim 4 (depends on 1) The rechargeable battery as claimed in claim 1, wherein the plurality of first uncoated tabs overlap each other at one side of the electrode assembly. ### Claim 5 (depends on 1) The rechargeable battery as claimed in claim 1, wherein the first tab part and the first non-tab part are integrally with each other. ### Claim 6 (depends on 1) The rechargeable battery as claimed in claim 1, wherein the second electrode includes: a second tab part having a second coating region and a plurality of second uncoated tabs protruding out of the second coating region, the second coating region being coated with a second active material, and the plurality of second uncoated tabs not being coated with the second active material; and a second non-tab part connected to the second tab part, the second non-tab part wrapping the second tab part at an outermost portion thereof at least one time. ### Claim 7 (depends on 6) The rechargeable battery as claimed in claim 6, further comprising a second lead tab electrically connecting the plurality of second uncoated tabs, the second lead tab being drawn out from the case. ### Claim 8 (depends on 6) The rechargeable battery as claimed in claim 6, wherein the second non-tab part includes a coating region coated with the second active material without an uncoated tab. ### Claim 9 (depends on 6) The rechargeable battery as claimed in claim 6, wherein the plurality of second uncoated tabs overlap each other at one side of the electrode assembly. ### Claim 10 (depends on 6) The rechargeable battery as claimed in claim 6, wherein the second tab part and the second non-tab part are integrally with each other. ### Claim 11 (depends on 6) The rechargeable battery as claimed in claim 6, wherein the second non-tab part wraps the second tab part at the outermost portion thereof three times. ### Claim 12 (depends on 1) The rechargeable battery as claimed in claim 1, wherein the first tab part has first and second edges opposite each other, the first tab part being wound from the first edge, and the first non-tab part being connected to the second edge. ### Claim 13 (depends on 12) The rechargeable battery as claimed in claim 12, wherein the first non-tab part extends along an outermost perimeter of at least once. ### Claim 14 (depends on 12) The rechargeable battery as claimed in claim 12, wherein the first non-tab part separates the wound first tab part from an interior sidewall of the case. ### Claim 15 A rechargeable battery, comprising: an electrode assembly including a first electrode, a second electrode, and a separator, the first electrode and the second electrode being wound with the separator therebetween; and a case to receive the electrode assembly, wherein the first electrode includes: a first tab part having a first coating region and a plurality of first uncoated tabs protruding out of the first coating region, the first coating region being coated with a first active material, and the plurality of first uncoated tabs not being coated with the first active material, and a first non-tab part connected to the first tab part, the first non-tab part wrapping the first tab part at an outermost portion thereof at least one time, wherein the second electrode includes: a second tab part having a second coating region and a plurality of second uncoated tabs protruding out of the second coating region, the second coating region being coated with a second active material, and the plurality of second uncoated tabs not being coated with the second active material, a second non-tab part connected to the second tab part, the second non-tab part wrapping the second tab part at an outermost portion thereof at least one time, and a second lead tab electrically connecting the plurality of second uncoated tabs, the second lead tab being drawn out from the case.