# US 2025/0096408 A1 · Battery and Electric Device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0096408 A1 - Document ID: US20250096408A1 - Status: Published application - Kind: A1 - Application number: 18/962,343 - Filed: 2024-11-27 - Published: 2025-03-20 - Earliest claimed: 2022-10-11 - Assignees: Contemporary Amperex Technology (Hong Kong) Limited - Applicants: Contemporary Amperex Technology (Hong Kong) Limited - Inventors: Lu HU; Xiaobo CHEN; Shaoji WU; Xiongwei GAO; Xuehui WANG - Web page: https://patentgrep.com/patent/US20250096408A1 ## CPC - A62C 3/07: in vehicles, e.g. in road vehicles - H01M 50/383: Flame arresting or ignition-preventing means - A62C 3/16: in electrical installations, e.g. cableways - 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 10/486: {for measuring temperature} - H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence) - H01M 50/317: Re-sealable arrangements - H01M 50/358: External gas exhaust passages located on the battery cover or case - H01M 50/367: Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems - H01M 50/3425: {in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member} - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - A62C: FIRE-FIGHTING (fire-extinguishing compositions, use of chemical substances in extinguishing fires A62D1/00; spraying, applying liquids or other fluent materials to surfaces in general B05; alarm arrangements G08B, e.g. fire alarms actuated by smoke or gases G08B17/10) - 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 Provided are a battery and an electric device. The battery includes multiple battery cells, a box, and a spray mechanism, wherein at least one battery cell among multiple battery cells includes a pressure relief mechanism. The box includes an electrical chamber, a collection chamber, and a first isolation component, wherein the electrical chamber is configured to accommodate the multiple battery cells; the collection chamber is configured to collect emissions from the battery cells arranged with the pressure relief mechanism when the pressure relief mechanism is actuated; the first isolation component is configured to isolate the electrical chamber and the collection chamber; and the first isolation component is provided with a first through hole, wherein the emissions can enter the collection chamber through the first through hole. The spray mechanism is arranged within the collection chamber, wherein the spray mechanism is configured to spray firefighting media into the collection chamber. ## Claims ### Claim 1 A battery, comprising multiple battery cells, wherein at least one battery cell among multiple battery cells comprises a pressure relief mechanism; a box, comprising an electrical chamber, a collection chamber, and a first isolation component, wherein the electrical chamber is configured to accommodate the multiple battery cells; the collection chamber is configured to collect emissions from the battery cells arranged with the pressure relief mechanism when the pressure relief mechanism is actuated; the first isolation component is configured to isolate the electrical chamber and the collection chamber; and the first isolation component is provided with a first through hole, wherein the emissions can enter the collection chamber through the first through hole; and a spray mechanism, arranged within the collection chamber, wherein the spray mechanism is configured to spray firefighting media into the collection chamber. ### Claim 2 (depends on 1) The battery according to claim 1, wherein the battery further comprises a first exhaust valve, wherein the first exhaust valve is mounted at the first through hole. ### Claim 3 (depends on 1) The battery according to claim 1, wherein the pressure relief mechanism is arranged opposite to the first through hole. ### Claim 4 (depends on 1) The battery according to claim 1, wherein the box is provided thereon with an exhaust port, wherein the emissions are discharged from the box through the exhaust port. ### Claim 5 (depends on 4) The battery according to claim 4, wherein the battery further comprises a second exhaust valve, wherein the second exhaust valve is mounted at the exhaust port. ### Claim 6 (depends on 4) The battery according to claim 4, wherein the box further comprises a second isolation component, wherein the second isolation component is configured to divide the collection chamber into a first sub-chamber and a second sub-chamber; the second isolation component is provided with a second through hole that communicates the first sub-chamber and the second sub-chamber; the first through hole is configured to communicate the electrical chamber and the first sub-chamber; the emissions are discharged from the box sequentially through the first through hole, the first sub-chamber, the second through hole, the second sub-chamber, and the exhaust port; and the spray mechanism is arranged within the first sub-chamber and/or the second sub-chamber. ### Claim 7 (depends on 6) The battery according to claim 6, wherein the electrical chamber and the first sub-chamber are arranged along a first direction; the second sub-chamber and the first sub-chamber are arranged along the first direction; the electrical chamber and the second sub-chamber are arranged along a second direction; and the second direction is perpendicular to the first direction. ### Claim 8 (depends on 6) The battery according to claim 6, wherein the first isolation component comprises a first plate body and a second plate body perpendicular to each other; the electrical chamber and the first sub-chamber are located on opposite sides of the first plate body; the first through hole is provided on the first plate body; the electrical chamber and the second sub-chamber are located on opposite sides of the second plate body; and the second isolation component is a plate-like structure and is coplanar with the first plate body. ### Claim 9 (depends on 8) The battery according to claim 8, wherein the first plate body and the second isolation component are integrally molded. ### Claim 10 (depends on 1) The battery according to claim 1, wherein a sensor is further provided within the collection chamber; the sensor is configured to detect a gas state parameter within the collection chamber; the spray mechanism is connected to the sensor; and the spray mechanism is configured to spray the firefighting media into the collection chamber when the sensor detects an abnormal gas state parameter. ### Claim 11 (depends on 10) The battery according to claim 10, wherein the battery further comprises a control device and a valve; the control device is connected to the sensor and the valve; the control device controls the valve based on a signal from the sensor; and the valve controls an opening or a closing of the spray mechanism. ### Claim 12 (depends on 1) An electric device, comprising the battery according to claim 1, wherein the battery is configured to provide electrical energy. ### Claim 13 (depends on 12) The electric device according to claim 12, wherein the battery further comprises a first exhaust valve, wherein the first exhaust valve is mounted at the first through hole. ### Claim 14 (depends on 12) The electric device according to claim 12, wherein the pressure relief mechanism is arranged opposite to the first through hole. ### Claim 15 (depends on 12) The electric device according to claim 12, wherein the box is provided thereon with an exhaust port, wherein the emissions are discharged from the box through the exhaust port. ### Claim 16 (depends on 15) The electric device according to claim 15, wherein the battery further comprises a second exhaust valve, wherein the second exhaust valve is mounted at the exhaust port. ### Claim 17 (depends on 15) The battery according to claim 15, wherein the box further comprises a second isolation component, wherein the second isolation component is configured to divide the collection chamber into a first sub-chamber and a second sub-chamber; the second isolation component is provided with a second through hole that communicates the first sub-chamber and the second sub-chamber; the first through hole is configured to communicate the electrical chamber and the first sub-chamber; the emissions are discharged from the box sequentially through the first through hole, the first sub-chamber, the second through hole, the second sub-chamber, and the exhaust port; and the spray mechanism is arranged within the first sub-chamber and/or the second sub-chamber. ### Claim 18 (depends on 17) The battery according to claim 17, wherein the electrical chamber and the first sub-chamber are arranged along a first direction; the second sub-chamber and the first sub-chamber are arranged along the first direction; the electrical chamber and the second sub-chamber are arranged along a second direction; and the second direction is perpendicular to the first direction. ### Claim 19 (depends on 17) The battery according to claim 17, wherein the first isolation component comprises a first plate body and a second plate body perpendicular to each other; the electrical chamber and the first sub-chamber are located on opposite sides of the first plate body; the first through hole is provided on the first plate body; the electrical chamber and the second sub-chamber are located on opposite sides of the second plate body; and the second isolation component is a plate-like structure and is coplanar with the first plate body. ### Claim 20 (depends on 19) The battery according to claim 19, wherein the first plate body and the second isolation component are integrally molded.