Fuel cell

US9318753B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9318753-B2
Application numberUS-201314384563-A
CountryUS
Kind codeB2
Filing dateMar 12, 2013
Priority dateMar 21, 2012
Publication dateApr 19, 2016
Grant dateApr 19, 2016

How to read this patent

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  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

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  4. Key dates

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  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

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Abstract

Official abstract text for this publication.

A fuel cell includes a membrane electrode assembly with a frame at a peripheral portion, and a separator disposed on both sides of the frame and the membrane electrode assembly. A protrusion and a counterpart groove where a tip of the protrusion is inserted are respectively formed on portions of the frame and the separator facing each other, and the tip of the protrusion is immersed in an adhesive that is injected in the groove such that the groove and the protrusion are joined to each other. A room is formed between the frame and the separator on the groove at least at a side of the protrusion closer to the membrane electrode assembly.

First claim

Opening claim text (preview).

The invention claimed is: 1. A fuel cell, comprising: a membrane electrode assembly with a frame at a peripheral portion; and a separator disposed on both sides of the frame and the membrane electrode assembly, wherein a protrusion and a counterpart groove where a tip of the protrusion is inserted are respectively formed on portions of the frame and the separator facing each other, and the tip of the protrusion is immersed in an adhesive that is injected in the groove such that the groove and the protrusion are joined to each other, and a room is formed between the frame and the separator on the groove at least at a side of the protrusion closer to the membrane electrode assembly. 2. The fuel cell according to claim 1 , wherein the groove is formed on the frame and the protrusion is formed on the separator. 3. The fuel cell according to claim 1 , wherein the protrusion is formed on the frame and the groove is formed on the separator. 4. A fuel cell stack, comprising a plurality of the fuel cells according to claim 1 that are stuck together. 5. A fuel cell stack, comprising a plurality of the fuel cells according to claim 2 that are stuck together. 6. A fuel cell stack, comprising a plurality of the fuel cells according to claim 3 that are stuck together.

Assignees

Inventors

Classifications

  • H01M8/0273Primary

    with sealing or supporting means in the form of a frame · CPC title

  • Fuel cells · CPC title

  • characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant · CPC title

  • Fuel cells with polymeric electrolytes · CPC title

  • having heating or cooling means, e.g. heaters or coolant flow channels · CPC title

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Frequently asked questions

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What does patent US9318753B2 cover?
A fuel cell includes a membrane electrode assembly with a frame at a peripheral portion, and a separator disposed on both sides of the frame and the membrane electrode assembly. A protrusion and a counterpart groove where a tip of the protrusion is inserted are respectively formed on portions of the frame and the separator facing each other, and the tip of the protrusion is immersed in an adhes…
Who is the assignee on this patent?
Nissan Motor
What technology area does this patent fall under?
Primary CPC classification H01M8/0273. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Apr 19 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). 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).