# US 11,909,068 B2 · Battery, power consuming apparatus, and method and apparatus for manufacturing battery > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,909,068 B2 - Document ID: US11909068B2 - Status: Granted - Kind: B2 - Application number: 18/353,706 - Filed: 2023-07-17 - Published: 2023-11-09 - Granted: 2024-02-20 - Earliest claimed: 2022-01-14 - Assignees: Contemporary Amperex Technology Co., Limited - Applicants: Contemporary Amperex Technology Co., Limited - Inventors: Ou Qian; Piaopiao Yang; Yufeng Zhang; Xiaobo Chen - Web page: https://patentgrep.com/patent/US11909068B2 ## CPC - H01M 50/392: with means for neutralising or absorbing electrolyte; with means for preventing leakage of electrolyte through vent holes - H01M 50/107: having curved cross-section, e.g. round or elliptic (H01M50/103, H01M50/109, H01M50/11 take precedence) - H01M 50/213: adapted for cells having curved cross-section, e.g. round or elliptic (H01M50/209, H01M50/216 take precedence) - H01M 50/244: Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method - H01M 50/3425: {in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member} - H01M 50/367: Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems - H01M 50/375: Vent means sensitive to or responsive to temperature - H01M 50/503: characterised by the shape of the interconnectors - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - 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 battery includes a cylindrical battery cell having a cylindrical side surface provided with a pressure relief mechanism, an electrical chamber configured to accommodate the battery cell, a collection chamber configured to collect emissions from the battery cell when the pressure relief mechanism is actuated, and an isolation component configured to isolate the electrical chamber from the collection chamber. The isolation component includes a first region and a second region. The first region is used for accommodating a first portion of the battery cell such that the first portion protrudes, towards the collection chamber, from a surface of the second region facing towards the collection chamber, and the pressure relief mechanism is disposed in a region of the cylindrical side surface located in the first portion such that the emissions are allowed to enter the collection chamber when the pressure relief mechanism is actuated. ## Claims ### Claim 1 A battery, comprising: a battery cell, the battery cell being of a cylinder shape, a cylindrical side surface of the battery cell being provided with a pressure relief mechanism, the pressure relief mechanism being configured to be actuated, in response to an internal pressure or temperature of the battery cell reaching a threshold, to relieve the internal pressure of the battery cell; an electrical chamber configured to accommodate the battery cell; a collection chamber configured to collect emissions from the battery cell when the pressure relief mechanism is actuated; and an isolation component configured to isolate the electrical chamber from the collection chamber, wherein the isolation component comprises a first region and a second region, the first region is used for accommodating a first portion of the battery cell such that the first portion protrudes, towards the collection chamber, from a surface of the second region facing towards the collection chamber, and the pressure relief mechanism is disposed in a region of the cylindrical side surface located in the first portion such that the emissions are allowed to enter the collection chamber when the pressure relief mechanism is actuated. ### Claim 2 (depends on 1) The battery according to claim 1, wherein: a length, in an axial direction of the battery cell, of an orthographic projection of the first region on a surface of the isolation component facing towards the electrical chamber is greater than or equal to a length, in the axial direction of the battery cell, of the cylindrical side surface of the battery cell; and a length, in a direction perpendicular to the axial direction of the battery cell in a plane where the orthographic projection is located, of the orthographic projection is less than a diameter of the battery cell. ### Claim 3 (depends on 1) The battery according to claim 1, wherein the first region is an opening extending through the isolation component. ### Claim 4 (depends on 3) The battery according to claim 3, wherein the isolation component has a circular-arc surface at the opening to allow the first portion to fit the isolation component inside the opening. ### Claim 5 (depends on 1) The battery according to claim 1, wherein the first region is a recess on the isolation component, and the recess protrudes, towards the collection chamber, from the surface of the second region facing towards the collection chamber. ### Claim 6 (depends on 5) The battery according to claim 5, wherein the recess has a circular-arc cross-section in a plane perpendicular to the axial direction of the battery cell. ### Claim 7 (depends on 6) The battery according to claim 6, wherein the first portion fits the isolation component inside the recess. ### Claim 8 (depends on 5) The battery according to claim 5, wherein the recess has a rectangular cross-section in a plane perpendicular to the axial direction of the battery cell. ### Claim 9 (depends on 8) The battery according to claim 8, wherein the isolation component has a circular-arc surface at the opening of the recess to allow the first portion to fit the isolation component at the opening of the recess. ### Claim 10 (depends on 1) The battery according to claim 1, wherein: the battery cell is one of a plurality of battery cells of the battery; and the electrical chamber is provided with a filler, and the filler is configured to fill voids between the plurality of battery cells. ### Claim 11 (depends on 1) The battery according to claim 1, wherein: the battery cell is one of a plurality of battery cells in one of a plurality of battery cell groups, and the isolation component is one of a plurality of isolation components of the battery; the electrical chamber accommodates the plurality of battery cell groups arranged in a first direction, the plurality of battery cells in each of the plurality of battery cell groups are arranged in a second direction, and the first direction, the second direction, and an axial direction of the battery cells are perpendicular to each other, and the plurality of battery cells of the same battery cell group correspond to a same isolation component of the plurality of isolation components. ### Claim 12 (depends on 11) The battery according to claim 11, wherein: each of the isolation components have a plurality of first regions; and the plurality of battery cells of the same battery cell group are in a one-to-one correspondence with the plurality of first regions on the same the isolation component. ### Claim 13 (depends on 11) The battery according to claim 11, wherein: the collection chamber is one of a plurality of collection chambers of the battery; and two adjacent battery cell groups of the plurality of battery cell groups correspond to two isolation components disposed opposite each other such that the electrical chamber is disposed between the two isolation components and the electrical chamber is located between two collection chambers. ### Claim 14 (depends on 13) The battery according to claim 13, further comprising: two end plates, the two end plates being respectively disposed, in the axial direction of the battery cell, on two sides of the two adjacent battery cell groups, and the two end plates being connected to the two isolation components to form the electrical chamber. ### Claim 15 (depends on 14) The battery according to claim 14, wherein: each end plate of the two end plates is provided with a first protrusion protruding in the first direction, the isolation component is provided with a first through-hole, and the first protrusion passes through the first through-hole such that each of the end plates is fixedly connected to the isolation components; or each end plate of the two end plates is provided with a second through-hole, the isolation component is provided with a second protrusion protruding in the axial direction of the battery cell, and the second protrusion passes through the second through-hole such that each of the end plates is fixedly connected to the isolation components. ### Claim 16 (depends on 1) A power consuming apparatus, comprising the battery according to claim 1, wherein the battery is configured to supply electrical energy to the power consuming apparatus. ### Claim 17 A method for manufacturing a battery, comprising: providing a battery cell, the battery cell being of a cylinder shape, a cylindrical side surface of the battery cell being provided with a pressure relief mechanism, the pressure relief mechanism being configured to be actuated, in response to an internal pressure or temperature of the battery cell reaching a threshold, to relieve the internal pressure; providing an electrical chamber, the electrical chamber being configured to accommodate the battery cell; providing a collection chamber, the collection chamber being configured to collect emissions from the battery cell when the pressure relief mechanism is actuated; and providing an isolation component, the isolation component being configured to isolate the electrical chamber from the collection chamber, wherein the isolation component comprises a first region and a second region, the first region is used for accommodating a first portion of the battery cell such that the first portion protrudes, towards the collection chamber, from a surface of the second region facing towards the collection chamber, and the pressure relief mechanism is arranged in a region of the cylindrical side surface located in the first portion such that the emissions are allowed to enter the collection chamber when the pressure relief mechanism is actuated. ### Claim 18 An apparatus for manufacturing a battery, the apparatus comprising: a provision module, the provision module being configured to: provide a battery cells, the battery cell being of a cylinder shape, a cylindrical side surface of the battery cell being provided with a pressure relief mechanism, the pressure relief mechanism being configured to be actuated, in response to an internal pressure or temperature of the battery cell reaching a threshold, to relieve the internal pressure; provide an electrical chamber, the electrical chamber being configured to accommodate the battery cell; provide a collection chamber, the collection chamber being configured to collect emissions from the battery cell when the pressure relief mechanism is actuated; and provide an isolation component, the isolation component being configured to isolate the electrical chamber from the collection chamber, wherein the isolation component comprises a first region and a second region, the first region is used for accommodating a first portion of the battery cell such that the first portion protrudes, towards the collection chamber, from a surface of the second region facing towards the collection chamber, and the pressure relief mechanism is arranged in a region of the cylindrical side surface located in the first portion such that the emissions are allowed to enter the collection chamber when the pressure relief mechanism is actuated.