Battery

US2017187009A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2017187009-A1
Application numberUS-201715460890-A
CountryUS
Kind codeA1
Filing dateMar 16, 2017
Priority dateJul 31, 2012
Publication dateJun 29, 2017
Grant date

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  1. Title

    What the patent document calls the invention.

  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A battery includes: a cylindrical battery case; and an electrode body disposed in the battery case, and including a positive plate, a negative plate, and a separator disposed between the positive plate and the negative plate. A spacer formed of a dense body and an electrolyte storage space storing an electrolyte are provided between the electrode body and the battery case on one end or both ends of the battery case in an axial direction of the electrode body.

First claim

Opening claim text (preview).

1 - 18 . (canceled) 19 . A battery comprising: a conductive battery case; a cylindrical electrode body in the battery case, the cylindrical electrode body comprising a positive plate, a negative plate, and a separator disposed between the positive plate and the negative plate, the cylindrical electrode body having a diameter reducing portion whose outer diameter is smaller than an inner diameter of the battery case; and a conductive spacer disposed between an outer circumferential face of the diameter reducing portion and an inner face of the battery case, the conductive spacer electrically connecting the cylindrical electrode body to the battery case. 20 . The battery according to claim 19 , wherein an outer circumferential face of the cylindrical electrode body is electrically connected to the inner face of the battery case only through the conductive spacer. 21 . The battery according to claim 19 , wherein the spacer is disposed in the middle of the electrode body in an axial direction of the cylindrical electrode body. 22 . The battery according to claim 19 , wherein the negative plate is disposed at least on the outer face of the cylindrical electrode body, and the negative plate on the outer face of the electrode body contacts the spacer. 23 . The battery according to claim 19 , wherein the spacer is made of braided wires in a mesh form. 24 . The battery according to claim 19 , wherein the spacer is made of wire material in a coiled shape. 25 . The battery according to claim 19 , wherein the spacer contacts all around an outer circumferential face of the diameter reducing portion. 26 . The battery according to claim 19 , wherein an electrolyte storage space is provided between an outer face of the cylindrical electrode body and the inner face of the battery case. 27 . The battery according to claim 19 , wherein the positive plate has nickel hydroxide as an active material, and the negative plate has a hydrogen storage alloy as an active material.

Assignees

Inventors

Classifications

  • characterised by their shape · CPC title

  • characterised by their position inside the cells · CPC title

  • Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties · CPC title

  • Electricity · mapped topic

  • Cells with wound or folded electrodes (H01M10/045 takes precedence) · CPC title

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Frequently asked questions

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What does patent US2017187009A1 cover?
A battery includes: a cylindrical battery case; and an electrode body disposed in the battery case, and including a positive plate, a negative plate, and a separator disposed between the positive plate and the negative plate. A spacer formed of a dense body and an electrolyte storage space storing an electrolyte are provided between the electrode body and the battery case on one end or both end…
Who is the assignee on this patent?
Gs Yuasa Int Ltd
What technology area does this patent fall under?
Primary CPC classification H01M10/0422. Mapped technology areas include Electricity.
When was this patent published?
Publication date Thu Jun 29 2017 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).