Battery, electricity-consuming apparatus, method for manufacturing battery and system of manufacturing battery

Patent metadata

Field	Value
Publication number	US-12062768-B2
Application number	US-202117565479-A
Country	US
Kind code	B2
Filing date	Dec 30, 2021
Priority date	Jul 29, 2021
Publication date	Aug 13, 2024
Grant date	Aug 13, 2024

Abstract

The present application provides a battery, an electricity-consuming apparatus, a method for manufacturing the battery and a system of manufacturing the battery. The battery includes a heat-exchanging component, including a first plate body and two second plate bodies; a battery unit, in which includes a plurality of battery cells sequentially arranged in a second direction, the heat-exchanging component is configured to adjust a temperature of the battery cells, and the second direction intersects with the first direction; and a support component, including a support portion located at a side of the first plate body away from the accommodating space, in which the support portion is connected to the first plate body and is configured to support the heat-exchanging component, and a heat-insulating structure is arranged between the support portion and the first plate body.

First claim

What is claimed is:

1. A battery, comprising
a heat-exchanging component, comprising a first plate body and two second plate bodies, wherein the two second plate bodies are respectively connected to two ends of the first plate body in a first direction, a predetermined angle is formed between each of the second plate bodies and the first plate body, an accommodating space is enclosed by the first plate body and the two second plate bodies, and the first plate body is provided with a first flow passage for a heat-exchanging medium to flow therein;
a battery unit, wherein the battery unit is at least partially accommodated in the accommodating space of the heat-exchanging component, the battery unit comprises a plurality of battery cells sequentially arranged in a second direction, the heat-exchanging component is configured to adjust a temperature of the battery cells, and the second direction intersects with the first direction; and
a support component, comprising a support portion located at a side of the first plate body away from the accommodating space, wherein the support portion is connected to the first plate body and is configured to support the heat-exchanging component, and a heat-insulating structure is arranged between the support portion and the first plate body;
wherein the heat-insulating structure comprises a gap, and the gap is formed in at least a partial region between the support portion and the first plate body;
the first plate body comprises a first main body, a first convex portion and a second convex portion, and the first convex portion and the second convex portion protrude from a surface of the first main body away from the accommodating space;
in a thickness direction of the first main body, a size of the first convex portion protruding from the first main body is smaller than a size of the second convex portion protruding from the first main body, the second convex portion is configured to support the first main body on a surface of the support portion, and at least part of the gap is formed between the support portion and the first convex portion;
the first flow passage is formed at an inside of the first convex portion.

2. The battery according to claim 1 , wherein the heat-insulating structure further comprises a heat-insulating layer, and the heat-insulating layer is arranged in the gap.

3. The battery according to claim 1 , further comprising two end plates, wherein the two end plates are respectively located at two ends of the battery unit in the second direction, and clamp and hold the battery unit; two ends of each of the end plates in the first direction are respectively connected to the two second plate bodies;
two ends of the support portion in the second direction comprise mounting regions, the mounting regions extend to outsides of the end plates and are configured to be fixed to an external frame.

4. The battery according to claim 3 , further comprising a joint, wherein at least part of the first plate body protrudes to the outsides of the end plates and is configured to mount the joint, and the joint communicates with the first flow passage.

5. The battery according to claim 3 , wherein each of the mounting regions comprises a mounting hole passed through, and the mounting hole is configured to be passed through by an external connector to be fixed to the external frame by the external connector; in the thickness direction of the support portion, the mounting hole is not covered by the heat-exchanging component.

6. The battery according to claim 3 , wherein in a direction away from the support portion, each of the end plates and each of the second plate bodies extend beyond the battery cells, and an opening is formed at an end of the two end plates and the two second plate bodies away from the support portion;
the battery further comprises a cover plate located at a side of the battery unit away from the support portion and connected to the end plates and the second plate bodies to close the opening.

7. The battery according to claim 1 , wherein the support component further comprises two position-limiting portions, the two position-limiting portions are located at a side of the support portion facing to the heat-exchanging component and connected to the support portion, and in the first direction, the two second plate bodies are located between the two position-limiting portions.

8. The battery according to claim 7 , wherein each of the second plate bodies comprises a second main body, a third convex portion and a fourth convex portion, and the third convex portion and the fourth convex portion protrude from a surface of the second main body away from the accommodating space;
in a thickness direction of the second main body, a size of the third convex portion protruding from the second main body is smaller than a size of the fourth convex portion protruding from the second main body, so that the fourth convex portion is pressed against the position-limiting portion;
a second flow passage communicating with the first flow passage is formed at an inside of the third convex portion.

9. The battery according to claim 1 , wherein a second flow passage communicating with the first flow passage is formed at an inside of the second plate bodies.

10. The battery according to claim 9 , wherein the first flow passage and the second flow passage communicate with each other at a junction between the first plate body and each of the second plate bodies; or
the heat-exchanging component further comprises a connecting pipeline, communicating the first flow passage with the second flow passage.

11. An electricity-consuming apparatus, comprising the battery according to claim 1 , wherein the battery is configured to supply electric power.

12. A method for manufacturing a battery, comprising
providing a heat-exchanging component that comprises a first plate body and two second plate bodies, wherein the two second plate bodies are respectively connected to two ends of the first plate body in a first direction, a predetermined angle is formed between each of the second plate bodies and the first plate body, an accommodating space is enclosed by the first plate body and the two second plate bodies, and the first plate body is provided with a first flow passage for a heat-exchanging medium to flow therein;
providing a support component that comprises a support portion;
connecting the support portion to the first plate body, wherein the support portion is located at a side of the first plate body away from the accommodating space and is configured to support the heat-exchanging component, and a heat-insulating structure is arranged between the support portion and the first plate body;
providing a battery unit that comprises a plurality of battery cells sequentially arranged in a second direction that intersects with the first direction; and
placing the battery unit at least partially in the accommodating space of the heat-exchanging component, wherein the heat-exchanging component is configured to adjust a temperature of the battery cells;
wherein the heat-insulating structure comprises a gap, and the gap is formed in at least a partial region between the support portion and the first plate body;
the first plate body comprises a first main body, a first convex portion and a second convex portion, and the first convex portion and the second convex portion protrude from a surface of the first main body away from the accommodating space;
in a thickness direction of the first main body, a size of the first convex portion protruding from the first main body is smaller than a size of the second convex portion protruding from the first main body, the s

Assignees

• Contemporary Amperex Technology Co Ltd

Inventors

• Lin Jiubiao
• Chan Libing
• Wang Chunhui

Classifications

• H01M10/658

  by thermal insulation or shielding · CPC title

• H01M10/647

  Prismatic or flat cells, e.g. pouch cells · CPC title

• H01M10/625

  Vehicles · CPC title

• H01M2220/20

  Batteries in motive systems, e.g. vehicle, ship, plane · CPC title

• H01M10/613

  Cooling or keeping cold · CPC title