CN-224217585-U - Arc battery and electronic product

CN224217585UCN 224217585 UCN224217585 UCN 224217585UCN-224217585-U

Abstract

The utility model relates to the field of arc batteries, and discloses an arc battery and an electronic product which are not easy to deform and convenient to use. The battery includes, and the plastic-aluminum membrane lithium ion battery is the arc along length direction, and two electrodes are followed respectively the width tip of plastic-aluminum membrane lithium ion battery stretches out, the thickness of plastic-aluminum membrane lithium ion battery is the distance between inner arc and the outer arc, and rigid casing has one and is curved inner chamber along length direction the width tip of rigid casing is equipped with the electrode and stretches out the hole, and one side of rigid casing's length direction is the side direction and open, the plastic-aluminum membrane lithium ion battery certainly side direction is uncovered gets into the inner chamber hold in the inner chamber, two the terminal of electrode is followed respectively the electrode stretch out the hole stretch out with rigid casing's width tip, the rigidity cap, encapsulate in side direction uncovered department. The arc-shaped battery of the embodiment is not easy to deform and is convenient to use.

Inventors

HE ANXUAN
HU YANQING
LUO CHUNHUA
ZHANG JIFENG
ZENG LIANG

Assignees

深圳市格瑞普电池有限公司

Dates

Publication Date: 20260508
Application Date: 20250603

Claims (7)

1. An arc-shaped battery, which is characterized by comprising, The aluminum plastic film lithium ion battery is arc-shaped along the length direction, two electrodes respectively extend out from the width end parts of the aluminum plastic film lithium ion battery, the thickness of the aluminum plastic film lithium ion battery is the distance between the inner arc and the outer arc, A rigid shell provided with an inner cavity which is arc-shaped along the length direction, an electrode extending hole is arranged at the width end part of the rigid shell, One side of the rigid shell in the length direction is a lateral opening, two length edges of the lateral opening are two arc-shaped length edges positioned on the same plane of the rigid shell, one of the two arc-shaped length edges is an inner arc edge, the other is an outer arc edge, two width edges are two height edges of the rigid shell, The aluminum plastic film lithium ion battery enters the inner cavity from the lateral opening and is accommodated in the inner cavity, the tail ends of the two electrodes respectively extend out of the width end part of the rigid shell from the electrode extending holes, The rigid shell cover is encapsulated at the lateral opening, the shell cover is a flat plate, one of two length edges of the flat plate is an inner arc edge, the other is an outer arc edge, the inner arc edge and the outer arc edge of the flat plate are respectively connected with the inner arc edge and the outer arc edge of the lateral opening, and the two width edges of the flat plate are respectively connected with the two width edges of the lateral opening.
2. The arcuate battery as in claim 1, wherein, A charge-discharge protection circuit module is electrically connected between the electrode of the cell body of the aluminum plastic film lithium ion battery and the two electrodes extending out of the width end part, And the charge and discharge protection circuit module is packaged in an aluminum-plastic film shell of the aluminum-plastic film lithium ion battery.
3. The arc-shaped battery as claimed in claim 2, wherein, Two independent chambers are formed in the aluminum plastic film shell, the laminated battery cell and the electrolyte are sealed in one chamber, and the charge-discharge protection circuit module is sealed in the other chamber.
4. The arcuate battery as in claim 1, wherein, Waterproof colloid is filled in the electrode extending holes, the waterproof colloid is arranged between the two electrodes at intervals, and the electrode extending holes are sealed by the waterproof colloid.
5. The arcuate battery as in claim 1, wherein, The rigid shell and the shell cover are plastic parts, or The rigid shell and the shell cover are metal pieces.
6. The arcuate battery as in claim 1, wherein, The aluminum plastic film lithium ion battery comprises, Laminated cell body and aluminum plastic film, wherein the laminated cell body A concave position matched with the shape of the arc-shaped battery is formed on the aluminum plastic film, the bottom surface of the concave position is arc-shaped along the length direction, the two arc-shaped length edges of the opening of the concave position are parallel to the bottom surface of the concave position, the laminated battery cell body is limited in the concave position, The aluminum plastic film extending outside the first arc-shaped length edge of the opening of the concave position is folded along the first arc-shaped length edge, the folded aluminum plastic film completely covers the opening of the concave position and is attached to the aluminum plastic film extending outside the second arc-shaped length edge and the two width edges of the opening of the concave position, heat sealing areas are respectively formed outside the two width edges and the second arc-shaped length edge of the opening of the concave position, In each heat-sealing area, the surfaces of two attached aluminum plastic films are in heat-sealing combination, the tail ends of the electrodes of the laminated battery cell extend out of the heat-sealing areas at the width end parts, the electrodes are in sealing combination with the heat-sealing areas, and the laminated battery cell is sealed in an aluminum plastic film shell; and the two electrodes of the laminated battery core body extend out of the width part of the aluminum plastic film shell respectively.
7. An electronic product is characterized by comprising, The arc-shaped battery according to any one of claim 1 to 6, And the driving circuit is electrically connected with two electrodes of the arc-shaped battery.

Description

Arc battery and electronic product Technical Field The present disclosure relates to battery manufacturing, and particularly to an arc-shaped battery and an electronic product. Background As applications of smart wearable products become more and more widespread, the demand of people for secondary rechargeable batteries is also becoming more and more widespread. The demands on the shape and volume of the battery are increasing. The inventor finds that when the soft-package arc-shaped battery encounters external force, the radian can be changed, which brings trouble to the application of the battery. Disclosure of Invention One of the purposes of the embodiment of the utility model is to provide an arc-shaped battery and an electronic product which are not easy to deform and convenient to use, and the preparation is easy to realize and the installation is convenient. In a first aspect, the present embodiment provides an arc-shaped battery, comprising, The aluminum plastic film lithium ion battery is arc-shaped along the length direction, two electrodes respectively extend out from the width end parts of the aluminum plastic film lithium ion battery, the thickness of the aluminum plastic film lithium ion battery is the distance between the inner arc and the outer arc, A rigid shell provided with an inner cavity which is arc-shaped along the length direction, an electrode extending hole is arranged at the width end part of the rigid shell, One side of the rigid shell in the length direction is a lateral opening, two length edges of the lateral opening are two arc-shaped length edges positioned on the same plane of the rigid shell, one of the two arc-shaped length edges is an inner arc edge, the other is an outer arc edge, two width edges are two height edges of the rigid shell, The aluminum plastic film lithium ion battery enters the inner cavity from the lateral opening and is accommodated in the inner cavity, the tail ends of the two electrodes respectively extend out of the electrode extending holes and the width end part of the rigid shell, The rigid shell cover is encapsulated at the lateral opening, the shell cover is a flat plate, one of two length edges of the flat plate is an inner arc edge, the other is an outer arc edge, the inner arc edge and the outer arc edge of the flat plate are respectively connected with the inner arc edge and the outer arc edge of the lateral opening, and the two width edges of the flat plate are respectively connected with the two width edges of the lateral opening. Optionally, a charge-discharge protection circuit module is further electrically connected between the electrode of the battery core of the aluminum-plastic film lithium ion battery and the two electrodes extending out of the width end part, and the charge-discharge protection circuit module is packaged in an aluminum-plastic film shell of the aluminum-plastic film lithium ion battery. Optionally, two independent chambers are formed in the plastic-aluminum film shell, the laminated battery core and the electrolyte are sealed in one chamber, and the charge-discharge protection circuit module is sealed in the other chamber. Optionally, the electrode extending hole is further filled with a waterproof colloid, the waterproof colloid is spaced between the two electrodes, and the waterproof colloid seals the electrode extending hole. Optionally, the rigid shell and the shell cover are plastic parts, or The rigid shell and the shell cover are metal pieces. Optionally, the aluminum plastic film lithium ion battery comprises, Laminated cell body and aluminum plastic film, wherein the laminated cell body A concave position matched with the shape of the arc-shaped battery is formed on the aluminum plastic film, the bottom surface of the concave position is arc-shaped along the length direction, the two arc-shaped length edges of the opening of the concave position are parallel to the bottom surface of the concave position, the laminated battery cell body is limited in the concave position, The aluminum plastic film extending outside the first arc-shaped length edge of the opening of the concave position is folded along the first arc-shaped length edge, the folded aluminum plastic film completely covers the opening of the concave position and is attached to the aluminum plastic film extending outside the second arc-shaped length edge and the two width edges of the opening of the concave position, heat sealing areas are respectively formed outside the two width edges and the second arc-shaped length edge of the opening of the concave position, In each heat-sealing area, the surfaces of two attached aluminum plastic films are in heat-sealing combination, the tail ends of the electrodes of the laminated battery cell extend out of the heat-sealing areas at the width end parts, the electrodes are in sealing combination with the heat-sealing areas, and the laminated battery cell is sealed in an aluminum plastic film shell; and th