Battery module

US2025112292A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2025112292-A1
Application numberUS-202418641781-A
CountryUS
Kind codeA1
Filing dateApr 22, 2024
Priority dateSep 29, 2023
Publication dateApr 3, 2025
Grant date

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A battery module includes: a plurality of battery cells each including a metal layer and a heat seal layer, the plurality of battery cells having a laminate film in which an electrode body is accommodated and a heat seal layer in a peripheral edge portion is joined; a case in which the battery cells are accommodated in a state of being laminated in a thickness direction; and a heat conductive member provided on an inner wall of the case so as to be in contact with the metal layer exposed from the peripheral edge portion and configured to dissipate heat from the battery cells.

First claim

Opening claim text (preview).

What is claimed is: 1 . A battery module comprising: a plurality of battery cells each including a laminate film including a metal layer and a heat seal layer, housing an electrode body, and obtained by joining portions of the heat seal layer at a peripheral edge; a case in which the battery cells are housed while being stacked in a thickness direction; and a heat conductive member provided on an inner wall of the case in contact with the metal layer exposed from the peripheral edge and configured to dissipate heat from the battery cell. 2 . The battery module according to claim 1 , wherein: the inner wall of the case includes a plurality of recesses each configured to house the peripheral edge and the heat conductive member; and the metal layer exposed from the peripheral edge is in contact with the heat conductive member inside the recess. 3 . The battery module according to claim 2 , wherein the peripheral edges of two of the battery cells that are adjacent to each other are housed in each of the recesses. 4 . The battery module according to claim 3 , wherein distal end surfaces of the peripheral edges housed in the recess are positioned on the same plane. 5 . The battery module according to claim 1 , wherein a thickness of the metal layer of the battery cell housed in the case is larger near a center in a stacking direction than near both ends in the stacking direction.

Assignees

Inventors

Classifications

Patent family

Related publications grouped by family.

External sources

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US2025112292A1 cover?
A battery module includes: a plurality of battery cells each including a metal layer and a heat seal layer, the plurality of battery cells having a laminate film in which an electrode body is accommodated and a heat seal layer in a peripheral edge portion is joined; a case in which the battery cells are accommodated in a state of being laminated in a thickness direction; and a heat conductive m…
Who is the assignee on this patent?
Toyota Motor Co Ltd
What technology area does this patent fall under?
Primary CPC classification H01M10/6551. Mapped technology areas include Electricity.
When was this patent published?
Publication date Thu Apr 03 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).