IP Library Granted Patent US 11,264,666
Granted Patent B2
US 11,264,666 · App. 16/330,689 · Granted Mar 1, 2022

Assembled battery

Inventors: Osamu Kubota (Tokyo, JP); Kazunori Ojima (Hitachinaka, JP); Sadayuki Aoki (Hitachinaka, JP)
Assignee: VEHICLE ENERGY JAPAN, INC.
H01M50/172H01M50/502H01M50/543
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Quick Facts
Patent No.
US 11,264,666
App. No.
16/330,689
Granted
Mar 1, 2022
Kind
B2
Abstract

Provided is an assembled battery which is downsized and in which a fastening force between a busbar and an external terminal cable at a fixing part is improved. Provided is an assembled battery including: a group of cells in which a plurality of cells, each having electrode terminals, is stacked; plate-shaped members arranged at ends of the group of cells; and cell holders arranged between the plate-shaped members and the group of cells, in which each of the cell holders is provided with a terminal fixing part of the assembled battery, and each of the plate-shaped members has a fitting part to be fitted to the terminal fixing part.

Claims (13)

1. An assembled battery comprising:

a group of cells in which a plurality of cells, each having electrode terminals, is stacked;

plate-shaped members arranged at ends of the group of cells; and

cell holders arranged between the plate-shaped members and the group of cells,

wherein each of the cell holders is provided with a terminal fixing part of the assembled battery, and each of the plate-shaped members has a recess on a top surface for inserting the terminal fixing part,

wherein one of the cell holders is in direct contact with one of the plate-shaped members, and

wherein the recess has a same shape as the terminal fixing part.

2. The assembled battery according to claim 1 , wherein the plate-shaped members are end plates.

3. The assembled battery according to claim 1 , wherein the plate-shaped members are a part of a housing.

4. The assembled battery according to claim 2 , wherein the terminal fixing part has a rectangular shape.

5. The assembled battery according to claim 2 , wherein a head of a bolt or a nut is inserted in the terminal fixing part.

6. The assembled battery according to claim 2 , wherein the terminal fixing part is arranged on the cell holder at a position facing an external terminal of one of the cells.

7. The assembled battery according to claim 2 , wherein the terminal fixing part is arranged at a central portion of the cell holder.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 12, 2020
From: HITACHI AUTOMOTIVE SYSTEMS, LTD.
To: HITACHI VEHICLE ENERGY, LTD.
Reel/Frame 052103/0208 →
CHANGE OF NAME Recorded Mar 12, 2020
From: HITACHI VEHICLE ENERGY, LTD.
To: VEHICLE ENERGY JAPAN, INC.
Reel/Frame 052161/0920 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 7, 2019
From: KUBOTA, OSAMU; OJIMA, KAZUNORI; AOKI, SADAYUKI
To: HITACHI AUTOMOTIVE SYSTEMS, LTD.
Reel/Frame 048525/0896 →
Priority Claims (1)
JP JP2016-194553 · Sep 30, 2016 · national
Continuity (1)
Related Publication 20210305646A1 · Sep 30, 2021