Electrolyzer

US2021292918A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2021292918-A1
Application numberUS-202117203738-A
CountryUS
Kind codeA1
Filing dateMar 16, 2021
Priority dateMar 17, 2020
Publication dateSep 23, 2021
Grant date

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.

The present disclosure is intended to provide an electrolyzer capable of selectively recovering lithium. The electrolyzer recovers lithium ions Li+ from a material M. The electrolyzer includes: a pair of electrodes; and a cation exchange membrane provided between the pair of electrodes and having a lithium ion conductivity. The cation exchange membrane allows, among cations contained in the material M, more lithium ions Li+ to pass therethrough than other cations Ca2+ and Na+. The electrolyzer is configured to apply a voltage between the pair of electrodes.

First claim

Opening claim text (preview).

What is claimed is: 1 . An electrolyzer for recovering lithium ions from a material, the electrolyzer comprising: a pair of electrodes; and a cation exchange membrane provided between the pair of electrodes and having a lithium ion conductivity, the cation exchange membrane allowing, among cations contained in the material, more lithium ions to pass therethrough than other cations. 2 . The electrolyzer according to claim 1 , further comprising: a voltage application device configured to apply a voltage between the pair of electrodes. 3 . The electrolyzer according to claim 1 , wherein the material comprises an organic solution or a saturated aqueous solution, and wherein the cation exchange membrane comprises LTAP-base ceramic having a NASICON type crystal structure. 4 . The electrolyzer according to claim 1 , wherein the material comprises an aqueous solution, and wherein the cation exchange membrane comprises LTAP-base ceramic having a NASICON type crystal structure, and has a surface coated with a coating. 5 . The electrolyzer according to claim 4 , wherein the coating comprises lithium phosphorus oxynitride glass.

Assignees

Inventors

Classifications

  • comprising only a single cell, only one anion or cation exchange membrane or one pair of anion and cation membranes · CPC title

  • Recycling of batteries or fuel cells · CPC title

  • based on ceramics · CPC title

  • C25B1/46Primary

    in diaphragm cells · CPC title

  • Reclaiming serviceable parts of waste accumulators · CPC title

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Frequently asked questions

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What does patent US2021292918A1 cover?
The present disclosure is intended to provide an electrolyzer capable of selectively recovering lithium. The electrolyzer recovers lithium ions Li+ from a material M. The electrolyzer includes: a pair of electrodes; and a cation exchange membrane provided between the pair of electrodes and having a lithium ion conductivity. The cation exchange membrane allows, among cations contained in the mat…
Who is the assignee on this patent?
Honda Motor Co Ltd
What technology area does this patent fall under?
Primary CPC classification C25B1/46. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Thu Sep 23 2021 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).