Active material, and fluoride ion battery

US11817580B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11817580-B2
Application numberUS-202015931057-A
CountryUS
Kind codeB2
Filing dateMay 13, 2020
Priority dateMay 28, 2019
Publication dateNov 14, 2023
Grant dateNov 14, 2023

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  1. Title

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  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

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A main object of the present disclosure is to provide an active material of which capacity properties are excellent. The present disclosure achieves the object by providing an active material to be used for a fluoride ion battery, the active material comprising: a composition represented by M 1 N x in which M 1 is at least one kind of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, and x satisfies 0.05≤x≤3; or a composition represented by M 2 Ln y N z in which M 2 is at least one kind of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, Ln is at least one kind of Sc, Y, and lanthanoid, y satisfies 0.1≤y≤3, and z satisfies 0.15≤z≤6.

First claim

Opening claim text (preview).

What is claimed is: 1. A fluoride ion battery comprising a cathode active material layer, an anode active material layer, and an electrolyte layer formed between the cathode active material layer and the anode active material layer; wherein the cathode active material layer contains an active material comprising: a composition represented by M 1 N x in which M 1 is at least one element selected from the group consisting of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, and x satisfies 0.05≤x≤3; or a composition represented by M 2 Ln y N z in which M 2 is at least one element selected from the group consisting of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, Ln is at least one element selected from the group consisting of Sc, Y, and lanthanoid, y satisfies 0.1≤y≤3, and z satisfies 0.15≤z≤6, wherein a content of the active material therein is 30 weight % or more, and the cathode active material layer, the anode active material layer, and the electrolyte layer, each contains an inorganic solid electrolyte having fluoride ion conductivity. 2. The fluoride ion battery according to claim 1 , wherein the active material comprises the composition represented by the M 1 N x . 3. The fluoride ion battery according to claim 2 , wherein the M 1 includes at least one of Cu, Ti, Fe, and V. 4. The fluoride ion battery according to claim 1 , wherein the active material comprises the composition represented by the M 2 Ln y N z . 5. The fluoride ion battery according to claim 4 , wherein the M 2 includes Mn. 6. The fluoride ion battery according to claim 4 , wherein the Ln includes Ce. 7. The fluoride ion battery according to claim 1 , wherein the content of the active material is 50 weight % or more. 8. The fluoride ion battery according to claim 1 , wherein the content of the active material is 70 weight % or more. 9. The fluoride ion battery according to claim 1 , wherein the active material is Cu 3 N or TiN. 10. The fluoride ion battery according to claim 1 , wherein the anode active material layer contains an active material comprising: a composition represented by M 1 N x in which M 1 is at least one element selected from the group consisting of Cu, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, and x satisfies 0.05≤x≤3; or a composition represented by M 2 Ln y N z in which M 2 is at least one element selected from the group consisting of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, Ln is at least one element selected from the group consisting of Sc, Y, and lanthanoid, y satisfies 0.1≤y≤3, and z satisfies 0.15≤z≤6. 11. A fluoride ion battery comprising a cathode active material layer, an anode active material layer, and an electrolyte layer formed between the cathode active material layer and the anode active material layer; wherein the cathode active material layer contains an active material comprising: a composition represented by M 1 N x in which M 1 is at least one element selected from the group consisting of Cu, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, and x satisfies 0.05≤x≤3; or a composition represented by M 2 Ln y N z in which M 2 is at least one element selected from the group consisting of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, Ln is at least one element selected from the group consisting of Sc, Y, and lanthanoid, y satisfies 0.1≤y≤3, and z satisfies 0.15≤z≤6, and the cathode active material layer, the anode active material layer, and the electrolyte layer, each contains an inorganic solid electrolyte having fluoride ion conductivity. 12. The fluoride ion battery according to claim 11 , wherein the active material comprises the composition represented by the M 2 Ln y N z . 13. The fluoride ion battery according to claim 11 , wherein the M 2 includes Mn. 14. The fluoride ion battery according to claim 11 , wherein the Ln includes Ce. 15. The fluoride ion battery according to claim 11 , wherein the anode active material layer contains an active material comprising: a composition represented by M 1 N x in which M 1 is at least one element selected from the group consisting of Cu, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, and x satisfies 0.05≤x≤3; or a composition represented by M 2 Ln y N z in which M 2 is at least one element selected from the group consisting of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and Bi, Ln is at least one element selected from the group consisting of Sc, Y, and lanthanoid, y satisfies 0.1≤y≤3, and z satisfies 0.15≤z≤6.

Assignees

Inventors

Classifications

  • H01M4/58Primary

    of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates · CPC title

  • with vanadium, niobium or tantalum · CPC title

  • with iron, cobalt or nickel · CPC title

  • with copper · CPC title

  • with one or more rare earth metals · CPC title

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Frequently asked questions

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What does patent US11817580B2 cover?
A main object of the present disclosure is to provide an active material of which capacity properties are excellent. The present disclosure achieves the object by providing an active material to be used for a fluoride ion battery, the active material comprising: a composition represented by M 1 N x in which M 1 is at least one kind of Cu, Ti, V, Cr, Fe, Mn, Co, Ni, Zn, Nb, In, Sn, Ta, W, and …
Who is the assignee on this patent?
Toyota Motor Co Ltd
What technology area does this patent fall under?
Primary CPC classification H01M4/58. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Nov 14 2023 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 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).