Battery, powered device, and method of manufacturing battery
A battery includes a battery pair and an information collector configured to collect parameters of the battery. The battery pair includes two battery cells. A surface of each of the two battery cells is provided with a pole. The poles of the two battery cells abut against each other face to face to form a pole assembly structure. The pole assembly structure includes an insertion slot. The information collector includes a main board and a sampling piece electrically connected to the main board. One end of the sampling piece extends into the insertion slot and is electrically connected to the pole assembly structure.
1. A battery, comprising:
a battery pair comprising a first battery cell and a second battery cell, wherein the first battery cell comprises a first surface provided with a first pole, the second battery cell comprises a second surface provided with a second pole, the first pole and the second pole abut against each other face to face to form a pole assembly structure, and the pole assembly structure comprises an insertion slot; and
an information collector configured to collect parameters of the battery, wherein the information collector comprises a main board and a sampling piece electrically connected to the main board, one end of the sampling piece extending into the insertion slot and being electrically connected to the pole assembly structure.
2. The battery according to claim 1 , wherein an accommodation space is formed between the first surface of the first battery cell and the second surface of the second battery cell, and the main board is located in the accommodation space.
3. The battery according to claim 1 , wherein the one end of the sampling piece fits with the insertion slot in shape.
4. The battery according to claim 1 , wherein:
the first pole and the second pole of the pole assembly structure are welded to each other; and/or
the sampling piece is welded to the pole assembly structure.
5. The battery according to claim 1 , wherein:
the insertion slot has an opening on a third surface of the pole assembly structure at a first side close to the main board; and/or
the insertion slot has an opening on a fourth surface of the pole assembly structure adjacent to the third surface of the pole assembly structure.
6. The battery according to claim 1 , wherein the insertion slot is a through slot or a bottomed slot.
7. The battery according to claim 1 , wherein the insertion slot is located between the first pole and the second pole and comprises a recess provided on at least one of the first pole and the second pole.
8. The battery according to claim 7 , wherein:
the first pole and the second pole comprise an aluminum pole and a copper-aluminum composite pole, wherein
the recess is provided on the aluminum pole, with an end of the recess opposite an opening of the insertion slot being closed; and/or
the recess is provided on the copper-aluminum composite pole, with an end of the recess opposite the opening of the insertion slot being open.
9. The battery according to claim 1 , comprising a plurality of such battery pairs, the plurality of battery pairs being arranged side by side, wherein
the plurality of battery pairs are arranged into a pack with multiple battery pairs connected in parallel as one group, wherein the multiple battery pairs connected in parallel as one group are electrically connected to the main board through at least one sampling piece; and/or
the plurality of battery pairs are arranged into a pack with each battery pair connected in parallel as one group, wherein each battery pair connected in parallel as one group is electrically connected to the main board through one sampling piece.
10. The battery according to claim 1 , wherein a part of the sampling piece outside the insertion slot comprises a bending portion.
11. The battery according to claim 1 , wherein an outer edge of the main board at a side away from the pole assembly structure is located inward from an outer edge of the first surface.
12. An electric device, comprising the battery according to claim 1 , wherein the battery is configured to supply electric energy.
13. A battery preparation method, comprising:
providing a battery pair, wherein the battery pair comprises a first battery cell and a second battery cell, the first battery cell comprises a first surface provided with a first pole, the second battery cell comprises a second surface provided with a second pole, the first pole and the second pole abut against each other face to face to form a pole assembly structure, and the pole assembly structure comprises an insertion slot;
providing an information collector, wherein the information collector is configured to collect parameters of the battery and comprises a main board and a sampling piece electrically connected to the main board; and
extending one end of the sampling piece into the insertion slot, and electrically connecting a free end of the sampling piece to the pole assembly structure.
14. The preparation method according to claim 13 , comprising:
welding the first pole and the second pole of the pole assembly structure to each other; and/or
welding the sampling piece to the pole assembly structure.
15. The preparation method according to claim 13 , wherein providing the battery pair comprises:
forming an opening of the insertion slot on a third surface of the pole assembly structure at a first side close to the main board; and/or
forming an opening of the insertion slot on a fourth surface of the pole assembly structure adjacent to the third surface.
16. The preparation method according to claim 13 , wherein providing the battery pair comprises:
forming a recess on one of the first pole and the second pole of the pole assembly structure to form the insertion slot; and/or forming a recess on each of the first pole and the second pole of the pole assembly structure to form the insertion slot.