US 12,725,859 B2Granted

End cover assembly, battery cell, battery module, and electric device

AssigneeHithium Tech HK Limited

InventorWeidong Xu

Life of this patent

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Abstract

Provided are an end cover assembly, a battery cell, a battery module, and an electric device. The end cover assembly includes: a first end cover including a first plastic member provided with a first mounting portion and a first current collector provided with a first mating portion that is assemblable with the first mounting portion; and a second end cover including a second plastic member provided with a second mounting portion and a second current collector provided with a second mating portion that is assemblable with the second mounting portion. The first mounting portion is at least partially different from the second mounting portion and the first mating portion is at least partially different from the second mating portion, allow for mounting interference between the first mounting portion and the second mating portion and mounting interference between the second mounting portion and the first mating portion.

Claims16

Dependent claims

An end cover assembly, comprising:

a first end cover;
and
a second end cover, wherein:
the first end cover comprises a first plastic member and a first current collector, the first plastic member being provided with a first mounting portion, the first current collector being provided with a first mating portion, and the first mating portion being assemblable with the first mounting portion;
the second end cover comprises a second plastic member and a second current collector, the second plastic member being provided with a second mounting portion, the second current collector being provided with a second mating portion, and the second mating portion being assemblable with the second mounting portion;
and
the first mounting portion is at least partially different from the second mounting portion, and the first mating portion is at least partially different from the second mating portion, in such a manner that the first mounting portion is not assemblable with the second mating portion, and the second mounting portion is not assemblable with the first mating portion.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 18/533,224Filed 8 Dec 2023 · continuation
Priority: 30 Dec 2022
Published: US 2024/0106041 A128 Mar 2024
Granted: 1 Sep 2026
Term ends: Not estimatedThe source records don’t support an estimate.

Classification4 codes

H01M 50/152
Characterised by their shape: for cells having curved cross-section, e.g. round or elliptic
H01M 50/16
Characterised by the material: organic material
H01M 50/533
Electrode connections inside a battery casing: characterised by the shape of the leads or tabs
H01M
Batteries and fuel cells