# US 2025/0096353 A1 · Battery and electrical device

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2025/0096353 A1
- Document ID: US20250096353A1
- Status: Published application
- Kind: A1
- Application number: 18/970,590
- Filed: 2024-12-05
- Published: 2025-03-20
- Earliest claimed: 2022-12-15
- Assignees: Contemporary Amperex Technology (Hong Kong) Limited
- Applicants: Contemporary Amperex Technology (Hong Kong) Limited
- Inventors: Yujie PU; Yao LI; Xiaobo CHEN
- Web page: https://patentgrep.com/patent/US20250096353A1

## CPC

- H01M 10/6555: arranged between the cells
- H01M 10/058: Construction or manufacture
- H01M 10/613: Cooling or keeping cold
- H01M 10/625: Vehicles
- H01M 10/647: Prismatic or flat cells, e.g. pouch cells
- H01M 10/653: characterised by electrically insulating or thermally conductive materials
- H01M 10/6557: arranged between the cells
- H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence)
- H01M 50/293: characterised by the material
- H01M 50/296: characterised by terminals of battery packs (terminals of batteries H01M50/543)
- H01M 50/30: Arrangements for facilitating escape of gases
- H01M 50/3425: {in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member}
- H01M 50/531: Electrode connections inside a battery casing
- H01M 50/548: on opposite sides of the cell
- H01M 50/55: on the same side of the cell
- B60L 50/64: Constructional details of batteries specially adapted for electric vehicles
- 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
- B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

A battery includes a plurality of battery cells and a thermal management component, where the plurality of battery cells are arranged in a stacked manner along a first direction, each of the battery cells including an electrode assembly; and the thermal management component is provided opposite to the battery cells along the first direction, where the projection of a main body portion of the electrode assembly in a plane perpendicular to the first direction and the projection of the thermal management component adjacent to the main body portion in the plane perpendicular to the first direction are at least partially overlapping.

## Claims

### Claim 1

A battery, comprising:
a plurality of battery cells arranged in a stacked manner along a first direction, wherein each of the battery cells comprises an electrode assembly, the electrode assembly comprising a main body portion and tabs protruding from the main body portion along a second direction, with the second direction being perpendicular to the first direction; and
a thermal management component provided opposite to the battery cells along the first direction, the thermal management component being configured to regulate the temperature of the battery cells;
wherein the projection of the main body portion in a plane perpendicular to the first direction and the projection of the thermal management component adjacent to the main body portion in the plane perpendicular to the first direction at least partially overlap with each other.

### Claim 2 (depends on 1)

The battery according to claim 1, wherein the area S1 of the projection of the main body portion in the plane perpendicular to the first direction and the area S2 of an overlapping portion of the projection of the main body portion in the plane perpendicular to the first direction and the projection of the thermal management component adjacent to the main body portion in the plane perpendicular to the first direction meet: 0.05≤S2/S1≤1.

### Claim 3 (depends on 2)

The battery according to claim 2, wherein 0.25≤S2/S1≤1.

### Claim 4 (depends on 1)

The battery according to claim 1, wherein along the second direction:
at least one end of the main body portion is beyond a corresponding end of the thermal management component; or
at least one end of the thermal management component is beyond a corresponding end of the main body portion.

### Claim 5 (depends on 4)

The battery according to claim 4, wherein along the second direction:
two ends of the main body portion are beyond two corresponding ends of the thermal management component, respectively; or
two ends of the thermal management component are beyond two corresponding ends of the main body portion, respectively.

### Claim 6 (depends on 1)

The battery according to claim 1, wherein along the second direction, at least one end of the main body portion is flush with a corresponding end of the thermal management component.

### Claim 7 (depends on 6)

The battery according to claim 6, wherein along the second direction, two ends of the main body portion are flush with two corresponding ends of the thermal management component, respectively.

### Claim 8 (depends on 1)

The battery according to claim 1, wherein along the first direction, the main body portion has a first surface facing the thermal management component, the first surface being a surface of the main body portion that has the largest area.

### Claim 9 (depends on 1)

The battery according to claim 1, further comprising:
a shell comprising a plurality of wall portions, the plurality of wall portions together defining an accommodation space for accommodating the electrode assembly;
electrode terminals for electrically connecting to the tabs; and
a pressure relief mechanism for relieving pressure inside the battery cell, the pressure relief mechanism and the electrode terminals being separately provided at different ones of the wall portions.

### Claim 10 (depends on 9)

The battery according to claim 9, wherein the pressure relief mechanism and the electrode terminals are provided:
on two of the wall portions arranged opposite each other along the second direction, respectively; or
on two of the wall portions arranged intersecting each other, respectively.

### Claim 11 (depends on 1)

The battery according to claim 1, wherein the electrode assembly comprises the two tabs of opposite polarities, the two tabs being provided on the same end of the main body portion along the second direction.

### Claim 12 (depends on 1)

The battery according to claim 1, wherein the electrode assembly comprises the two tabs of opposite polarities, the two tabs being provided on two opposite ends of the main body portion along the second direction, respectively.

### Claim 13 (depends on 1)

The battery according to claim 1, wherein the projection of the tabs in the plane perpendicular to the first direction and the projection of the thermal management component adjacent to the main body portion in the plane perpendicular to the first direction at least partially overlap with each other.

### Claim 14 (depends on 1)

The battery according to claim 1, wherein the thermal management component is provided between the at least two adjacent ones of the battery cells along the first direction.

### Claim 15 (depends on 1)

The battery according to claim 1, wherein the thermal management component is one of a plurality of thermal management components of the battery provided spaced apart along the first direction, with at least one of the plurality of battery cells being provided between two adjacent ones of the thermal management components.

### Claim 16 (depends on 15)

The battery according to claim 15, wherein the battery cells are arranged alternately with the thermal management components along the first direction.

### Claim 17 (depends on 1)

An electrical device, comprising the battery according to claim 1.