BATTERY AND POWERED EQUIPMENT

1 . A battery, comprising:

a plurality of battery cells, the plurality of battery cells being cylinders; and

an air-cooling structure, comprising a body and at least one air duct penetrating the body in a first direction (X), the first direction (X) being parallel to an axial direction of the plurality of battery cells, and a cross section of the air duct perpendicular to the first direction (X) being in a fin shape.

2 . The battery according to claim 1 , wherein the plurality of battery cells are arranged around the air cooling structure.

3 . The battery according to claim 1 , wherein the plurality of battery cells are pasted on a first surface of the body away from the air duct by means of a thermally conductive structural adhesive.

4 . The battery according to claim 3 , wherein a contour shape of a region on the first surface to which the plurality of battery cells are pasted matches a contour shape of surfaces of the plurality of battery cells.

5 . The battery according to claim 1 , wherein the air-cooling structure further comprises a fan, and the fan is configured to ventilate the air duct, so as to discharge the heat generated by the plurality of battery cells.

6 . The battery according to claim 1 , wherein the battery further comprise a box body, the box body comprises a first box body portion and a second box body portion, the first box body portion and the second box body portion are buckled to form an accommodating cavity for accommodating the air-cooling structure and the plurality of battery cells, at least one of the first box body portion and the second box body portion has an opening, and a plane where the opening is located is parallel to the first direction (X).

7 . The battery according to claim 6 , wherein a first heat dissipation portion is arranged on a bottom wall of the first box body portion, and a contour shape of a region on the first heat dissipation portion in contact with the plurality of battery cells matches the contour shape of surfaces of the plurality of battery cells.

8 . The battery according to claim 6 , wherein a second heat dissipation portion is arranged on a bottom wall of the second box body portion, and a contour shape of a region on the second heat dissipation portion in contact with the plurality of battery cells matches the contour shape of surfaces of the plurality of battery cells.

9 . The battery according to claim 1 , wherein the air-cooling structure is formed by a die-casting process.

10 . Powered equipment, comprising the battery according to claim 1 , the battery being configured to provide electrical energy to the powered equipment.

11 . A method for manufacturing a battery, comprising:

providing a plurality of battery cells, the plurality of battery cells being cylinders;

providing an air-cooling structure, the air-cooling structure comprising a body and at least one air duct penetrating the body; and

arranging the at least one air duct in a first direction (X), the first direction (X) being parallel to an axial direction of the plurality of battery cells, and a cross section of the air duct perpendicular to the first direction (X) being in a fin shape.

12 . A device for manufacturing a battery, comprising:

a first providing module configured to provide a plurality of battery cells, the plurality of battery cells being cylinders;

a second providing module configured to provide an air-cooling structure, the air-cooling structure comprising a body and at least one air duct penetrating the body; and

an assembling module configured to arrange the at least one air duct in a first direction (X), the first direction (X) being parallel to an axial direction of the plurality of battery cells, and a cross section of the air duct perpendicular to the first direction (X) being in a fin shape.