BATTERY PACK AND VEHICLE
Provided is a battery pack and a vehicle, which relates to the field of battery technologies. The battery pack according to the present disclosure includes a case, a plurality of battery cells, a fixing assembly, and a current collecting assembly. The case has a cavity. The plurality of battery cells is received in the cavity. Each of the plurality of battery cells includes at least one electrode terminal protruding from the battery cell. The at least one electrode terminal faces downwards when the battery cell is arranged in the cavity. The fixing assembly is arranged below the plurality of battery cells and supports the plurality of battery cells. The fixing assembly has a connection hole. The current collecting assembly is arranged at the fixing assembly and includes a current collecting member configured to electrically connect at least two adjacent battery cells of the plurality of battery cells.
1 . A battery pack, comprising:
a case having a cavity;
a plurality of battery cells received in the cavity, each of the plurality of battery cells comprising at least one electrode terminal protruding from the battery cell, and the at least one electrode terminal facing downwards when the battery cell is arranged in the cavity;
a fixing assembly arranged below the plurality of battery cells and supporting the plurality of battery cells, the fixing assembly having a connection hole; and
a current collecting assembly arranged at the fixing assembly, the current collecting assembly comprising a current collecting member configured to electrically connect at least two adjacent battery cells of the plurality of battery cells, the current collecting member comprising a connection portion and at least two conductive portions, wherein:
the connection portion is connected to the at least two conductive portions, and each of the at least two conductive portions is connected to one of the at least one electrode terminal of one of the plurality of battery cells; and
the at least one electrode terminal extends into the connection hole and is in contact with the conductive portion when the battery cell is arranged at the fixing assembly.
2 . The battery pack according to claim 1 , wherein the case comprises:
a housing formed as the cavity and having an opening facing downwards; and
an end cover configured to cover the opening,
wherein the fixing assembly is located between the plurality of battery cells and the end cover.
3 . The battery pack according to claim 1 , wherein the fixing assembly further comprises:
a first fixing plate having a mounting recess configured to accommodate the current collecting assembly; and
a second fixing plate covering the first fixing plate to fix the current collecting assembly in the mounting recess, the connection hole being defined at the second fixing plate and facing towards the conductive portion.
4 . The battery pack according to claim 3 , wherein the mounting recess comprises a first groove facing towards the connection hole.
5 . The battery pack according to claim 4 , wherein:
each of the at least two conductive portions comprises a protrusion arranged in the first groove; and
the conductive portion has a second groove formed at a surface of the conductive portion opposite to the protrusion, the at least one electrode terminal being inserted and engaged into the second groove.
6 . The battery pack according to claim 5 , wherein the number of the protrusions is equal to the number of the first grooves, one protrusion being arranged in one first groove.
7 . The battery pack according to claim 5 , wherein a gap is formed between the protrusion and a bottom surface of the first groove.
8 . The battery pack according to claim 1 , wherein the current collecting assembly further comprises a sampling member arranged in the fixing assembly and electrically connected to the current collecting member.
9 . The battery pack according to claim 8 , wherein the sampling member and the current collecting member are integrally formed through injection molding.
10 . The battery pack according to claim 8 , wherein a plurality of current collecting members is provided and arranged at intervals at a side of the sampling member.
11 . The battery pack according to claim 1 , wherein in a vertical direction, the at least one electrode terminal is in contact fit with the conductive portion or is connected to the conductive portion by a conductive adhesive.
12 . A vehicle, comprising the battery pack according to claim 1 .