Sulfide solid electrolyte

US11637312B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11637312-B2
Application numberUS-201816626165-A
CountryUS
Kind codeB2
Filing dateJun 18, 2018
Priority dateJun 29, 2017
Publication dateApr 25, 2023
Grant dateApr 25, 2023

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 sulfide solid electrolyte containing the following (A) and (B):(A) a sulfide solid electrolyte having an argyrodite-type crystal structure; and(B) a sulfide solid electrolyte having a crystal structure different from the argyrodite-type crystal structure of the above-mentioned (A).

First claim

Opening claim text (preview).

The invention claimed is: 1. A sulfide solid electrolyte, comprising: (A) a sulfide solid electrolyte having an argyrodite-type crystal structure, and (B) a sulfide solid electrolyte having a crystal structure different from the argyrodite type crystal structure of the sulfide solid electrolyte (A), wherein (B) has exothermic peaks in the range of 150 to 350° C. in thermogravimetry-differential thermal analysis. 2. The sulfide solid electrolyte of claim 1 , wherein the sulfide solid electrolyte (A) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements. 3. The sulfide solid electrolyte of claim 2 , wherein the at least one halogen is Cl or Br. 4. The sulfide solid electrolyte of claim 2 , wherein the at least one halogen is Cl and Br. 5. The sulfide solid electrolyte of claim 1 , wherein the sulfide solid electrolyte (B) has a thio-LISICON Region II-type crystal structure or a crystal structure similar to the thio-LISICON Region II-type crystal structure. 6. The sulfide solid electrolyte of claim 5 , wherein the sulfide solid electrolyte (B) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements. 7. The sulfide solid electrolyte of claim 6 , wherein the at least one halogen comprises Br. 8. The sulfide solid electrolyte of claim 1 , wherein a mass ratio of (A) and (B) [(A):(B)] is 5:95 to 95:5. 9. An electrode mix, comprising the sulfide solid electrolyte of claim 1 and an active material. 10. A lithium ion battery, comprising at least one sulfide solid electrolyte of claim 1 and an electrode mix comprising an active material and at least one of the at least one sulfide solid electrolyte. 11. The sulfide solid electrolyte according to claim 1 , wherein the sulfide solid electrolyte (A) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements, and the sulfide solid electrolyte (B) has a thio-LISICON Region II-type crystal structure or a crystal structure similar to the thio-LISICON Region II-type crystal structure. 12. The sulfide solid electrolyte according to claim 1 , wherein the sulfide solid electrolyte (A) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements, the sulfide solid electrolyte (B) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements, and the at least one halogen of (B) comprises Br. 13. The sulfide solid electrolyte according to claim 1 , wherein the sulfide solid electrolyte (A) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements, the sulfide solid electrolyte (B) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements, the at least one halogen of (B) comprises Br, and a mass ratio of (A) and (B) [(A):(B)] is 5:95 to 95:5. 14. The sulfide solid electrolyte according to claim 1 , wherein the sulfide solid electrolyte (A) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements, the at least one halogen of (A) is Cl or Br, and the sulfide solid electrolyte (B) has a thio-LISICON Region II-type crystal structure or a crystal structure similar to the thio-LISICON Region II-type crystal structure. 15. The sulfide solid electrolyte according to claim 1 , wherein the sulfide solid electrolyte (A) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements, the at least one halogen of (A) is Cl or Br, the sulfide solid electrolyte (B) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements, and the at least one halogen of (B) comprises Br. 16. The sulfide solid electrolyte according to claim 1 , wherein the sulfide solid electrolyte (A) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements, the at least one halogen of (A) is Cl or Br, the sulfide solid electrolyte (B) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements, the at least one halogen of (B) comprises Br, and a mass ratio of (A) and (B) [(A):(B)] is 5:95 to 95:5. 17. The sulfide solid electrolyte according to claim 1 , wherein the sulfide solid electrolyte (A) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements, the at least one halogen of (A) is Cl and Br, and the sulfide solid electrolyte (B) has a thio-LISICON Region II-type crystal structure or a crystal structure similar to the thio-LISICON Region II-type crystal structure. 18. The sulfide solid electrolyte according to claim 1 , wherein the sulfide solid electrolyte (A) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements, the at least one halogen of (A) is Cl and Br, the sulfide solid electrolyte (B) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements, and the at least one halogen of (B) comprises Br. 19. The sulfide solid electrolyte according to claim 1 , wherein the sulfide solid electrolyte (A) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements, the at least one halogen of (A) is Cl and Br, the sulfide solid electrolyte (B) comprises lithium, sulfur, phosphorus, and at least one halogen as constituent elements, the at least one halogen of (B) comprises Br, and a mass ratio of (A) and (B) [(A):(B)] is 5:95 to 95:5. 20. The sulfide solid electrolyte according to claim 1 , wherein the sulfide solid electrolyte (B) has a thio-LISICON Region II-type crystal structure or a crystal structure similar to the thio-LISICON Region II-type crystal structure, and a mass ratio of (A) and (B) [(A):(B)] is 5:95 to 95:5. 21. The sulfide solid electrolyte of claim 1 , wherein the (A) and (B) are different particles.

Assignees

Inventors

Classifications

  • Selection of inactive substances as ingredients for active masses, e.g. binders, fillers · CPC title

  • Solid materials · CPC title

  • sulfides · CPC title

  • Sulfides · CPC title

  • Energy storage using batteries · CPC title

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 US11637312B2 cover?
A sulfide solid electrolyte containing the following (A) and (B):(A) a sulfide solid electrolyte having an argyrodite-type crystal structure; and(B) a sulfide solid electrolyte having a crystal structure different from the argyrodite-type crystal structure of the above-mentioned (A).
Who is the assignee on this patent?
Idemitsu Kosan Co
What technology area does this patent fall under?
Primary CPC classification H01M10/0562. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Apr 25 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 11 related publications on this page (citations in our corpus or others sharing the same primary CPC).