BATTERY CELL, BATTERY AND POWER CONSUMPTION APPARATUS
Embodiments of the present application provide a battery cell, a battery, and a power consumption apparatus, which could effectively improve performance of the battery without increasing the internal space of the battery. The battery cell includes: an electrode assembly including a first end face and a second end face opposite to each other, the first end face being provided with tabs; and a lithium replenishing apparatus connected with the second end face.
1 . A battery cell, comprising:
an electrode assembly comprising a first end face and a second end face opposite to each other, the first end face being provided with tabs; and
a lithium replenishing apparatus connected with the second end face.
2 . The battery cell according to claim 1 , wherein a plurality of electrode assemblies are provided, and the lithium replenishing apparatus is connected with second end faces of at least some electrode assemblies of the plurality of electrode assemblies.
3 . The battery cell according to claim 2 , wherein the lithium replenishing apparatus is further disposed between two adjacent electrode assemblies of the plurality of electrode assemblies.
4 . The battery cell according to claim 3 , wherein a surface of each electrode assembly of the plurality of electrode assemblies comprises a planar part, and planar parts of the two adjacent electrode assemblies are opposite and connected;
wherein the lithium replenishing apparatus is disposed between the planar parts of the two adjacent electrode assemblies.
5 . The battery cell according to claim 4 , wherein the planar part is a side face of each electrode assembly having the largest area.
6 . The battery cell according to claim 4 , wherein the lithium replenishing apparatus covers the planar part.
7 . The battery cell according to claim 1 , further comprising:
an end cover disposed towards the first end face and parallel to the first end face, the end cover being provided with a lithium replenishing electrode terminal.
8 . The battery cell according to claim 7 , wherein the lithium replenishing apparatus comprises a lithium replenishing agent, and the lithium replenishing agent is electrically connected with the lithium replenishing electrode terminal.
9 . The battery cell according to claim 8 , wherein the lithium replenishing agent has a thickness of 0.001 mm to 4.9 mm.
10 . The battery cell according to claim 8 , wherein the lithium replenishing apparatus further comprises a conductive assembly, and the conductive assembly is configured to electrically connect the lithium replenishing agent and the lithium replenishing electrode terminal.
11 . The battery cell according to claim 8 , wherein the lithium replenishing apparatus further comprises a supporting member, and the supporting member is disposed on the innermost side of the lithium replenishing apparatus.
12 . The battery cell according to claim 11 , wherein a material of the supporting member is plastic.
13 . The battery cell according to claim 7 , wherein a side of the lithium replenishing apparatus facing the end cover is provided with a lead-out end, and the lead-out end and the lithium replenishing electrode terminal are connected.
14 . The battery cell according to claim 7 , wherein the end cover is further provided with a negative electrode terminal, and the negative electrode terminal is connected with the electrode assembly;
wherein the lithium replenishing electrode terminal is configured to be short circuited with the negative electrode terminal when the lithium replenishing apparatus replenishes the battery cell with lithium.
15 . The battery cell according to claim 1 , wherein the lithium replenishing apparatus is connected with the entire second end face.
16 . A battery, comprising:
the battery cell according to claim 1 ; and
a box, the box being configured to accommodate the battery cell.
17 . A power consumption apparatus, comprising: the battery according to claim 16 , the battery being configured to provide electric energy.