BATTERY, ELECTRIC DEVICE, AND PRODUCTION METHOD AND MANUFACTURING DIE OF BATTERY
Embodiments of the present application relate to the technical field of batteries, and in particular relates to a battery, an electric device, and a production method and a manufacturing die of the battery. The battery includes a frame body, a plurality of battery cells, and a bonding agent, where the frame body is provided with an accommodating cavity, and the accommodating cavity is provided with an opening in a first direction; the plurality of battery cells are arranged in the accommodating cavity, and electrode terminals of the plurality of battery cells face towards the opening; and the bonding agent is arranged in the accommodating cavity, and the bonding agent is used to connect the plurality of battery cells and the frame body. The battery provided by the present application can prevent or reduce a relative displacement among battery cells, and improve the electrical connection stability of the battery.
1 . A battery, comprising:
a frame body, wherein the frame body is provided with an accommodating cavity, and the accommodating cavity is provided with an opening in a first direction;
a plurality of battery cells, wherein the plurality of battery cells are arranged in the accommodating cavity, and electrode terminals of the plurality of battery cells face towards the opening; and
a bonding agent, wherein the bonding agent is arranged in the accommodating cavity and is used to connect the plurality of battery cells and the frame body.
2 . The battery according to claim 1 , wherein the bonding agent is in a columnar structure in the accommodating cavity, and an outer peripheral surface of the columnar structure is connected with an inner surface of the frame body.
3 . The battery according to claim 1 , wherein the bonding agent is in the columnar structure in the accommodating cavity, the columnar structure is provided with a connection hole in the first direction, and an inner peripheral surface of the connection hole is connected with an outer peripheral surface of each of the plurality of battery cells.
4 . The battery according to claim 1 , wherein a height of the bonding agent in the first direction is less than a height of each of the plurality of battery cells in the first direction.
5 . The battery according to claim 1 , further comprising a bonding agent-blocking member, wherein the bonding agent-blocking member is connected with an end of the bonding agent in the first direction.
6 . A production method of a battery, used to manufacture the battery according to claim 1 , and comprising:
providing a lower die, and arranging a plurality of battery cells in the lower die;
providing a frame body, and sleeving the frame body outside the plurality of battery cells, wherein an end of the frame body that is provided with an opening abuts against a surface of the lower die;
injecting a bonding agent into the frame body; and
separating the lower die from the plurality of battery cells and the frame body.
7 . The production method according to claim 6 , wherein before the bonding agent is injected into the frame body, the production method further comprises: providing an upper die, arranging the upper die at an end of the frame body that is away from the lower die, and allowing the upper die to limit the plurality of battery cells; and
after the bonding agent is injected into the frame body, the production method further comprises: separating the upper die from the plurality of battery cells and the frame body.
8 . The production method according to claim 7 , wherein the step of providing an upper die, arranging the upper die at an end of the frame body that is away from the lower die, and allowing the upper die to limit the plurality of battery cells further comprises: connecting the upper die with the lower die to sandwich the plurality of battery cells and the frame body between the upper die and the lower die.
9 . The production method according to claim 6 , wherein before the bonding agent is injected into the frame body, the production method further comprises: providing a bonding agent-blocking member, and arranging the bonding agent-blocking member in the lower die to prevent the bonding agent from sticking to the lower die.
10 . The production method according to claim 6 , wherein before the bonding agent is injected into the frame body, the production method further comprises: providing a harness pipeline, and arranging the harness pipeline on the lower die and in the frame body to make the bonding agent avoid the harness pipeline to form a harness channel.
11 . A manufacturing die of a battery, used to manufacture the battery according to claim 1 , wherein
the manufacturing die comprises a lower die, and the lower die comprises:
a lower positioning part, wherein the lower positioning part is configured to fix a plurality of battery cells from one end of each of the plurality of battery cells, and
a lower positioning surface, wherein the lower positioning surface is arranged around the lower positioning part to abut against an end of a frame body that is provided with an opening.
12 . The manufacturing die of a battery according to claim 11 , wherein the lower positioning part comprises a plurality of lower positioning slots, and an inner peripheral wall of each of the plurality of lower positioning slots coincides with an outer peripheral wall of a corresponding battery cell to fix the battery cell.
13 . The manufacturing die of a battery according to claim 12 , wherein the plurality of lower positioning slots each are provided with an avoidance groove to avoid an electrode terminal of a corresponding battery cell.
14 . The manufacturing die of a battery according to claim 11 , wherein the manufacturing die further comprises an upper die; and the upper die comprises an upper positioning part, and the upper positioning part is arranged corresponding to the lower positioning part and is configured to fix the plurality of battery cells from the other end of each of the plurality of battery cells.
15 . The manufacturing die of a battery according to claim 14 , wherein the upper positioning part comprises a plurality of upper positioning slots, and an inner peripheral wall of each of the plurality of upper positioning slots coincides with an outer peripheral wall of a corresponding battery cell to fix the battery cell.
16 . The manufacturing die of a battery according to claim 14 , wherein the manufacturing die further comprises a connection member, and the connection member is arranged on the lower die and/or the upper die and is configured to connect the upper die and the lower die to sandwich the plurality of battery cells and the frame body between the upper die and the lower die.
17 . The manufacturing die of a battery according to claim 16 , wherein the lower die comprises a side plate, the side plate is located at a side of the lower die at which the lower positioning part is located, and the side plate is connected with the upper die through the connection member.
18 . The manufacturing die of a battery according to claim 16 , wherein the connection member comprises a buckle.
19 . An electric device comprising the battery according to claim 1 .