US 2025/0167388 A1Published application

Battery pack

AssigneePanasonic Energy Co., Ltd.

InventorHIDEMI KURIHARA

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Abstract

Battery pack 100 includes: one or more secondary battery cells 1 each of which includes an outer covering can that includes a portion including a safety valve; outer covering case 10 that is formed of resin and configured to house secondary battery cells 1, outer covering case 10 including a first face and a second face intersecting the first face; heat-resistant plate 40 disposed on an inner side of the first face of outer covering case 10 to oppose the safety valve of each of secondary battery cells 1; and bent piece 50 that includes first piece 51 and second piece 52 connected to first piece 51. Second piece 52 is bent relative to first piece 51. In a state where bent piece 50 is disposed at an end portion of heat-resistant plate 40, first piece 51 opposes the first face and second piece 52 opposes the second face.

Claims9

Dependent claims

A battery pack comprising:

one or more secondary battery cells each of which includes an outer covering can that includes a portion including a safety valve;
an outer covering case that is formed of resin and configured to house the one or more secondary battery cells, the outer covering case including a first face and a second face intersecting the first face;
a heat-resistant plate configured to be disposed on an inner side of the first face of the outer covering case to oppose the safety valve of each of the one or more secondary battery cells;
and
a bent piece that includes a first piece and a second piece that is connected to the first piece,
wherein the second piece is bent relative to the first piece, and
in a state where the bent piece is disposed at an end portion of the heat-resistant plate, the first piece opposes the first face and the second piece opposes the second face.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 19/035,674Filed 23 Jan 2025
Priority: JP 2022-14838616 Sep 2022
Published: 22 May 2025
Term ends: Not estimatedThe source records don’t support an estimate.

Classification14 codes

H01M 50/383
Arrangements for facilitating escape of gases: flame arresting or ignition-preventing means
H01M 10/658
Means for temperature control structurally associated with the cells: by thermal insulation or shielding
H01M 50/204
Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders:…
H01M 50/209
Characterised by their shape: adapted for prismatic or rectangular cells

Family

Application19/035,674Continuation
US 2025/0167388 A1This patent

From the US filing history. Foreign family members aren’t listed.

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