Cathode for all-solid-state lithium-sulfur battery

Patent metadata

Field	Value
Publication number	US-2022320492-A1
Application number	US-202217695208-A
Country	US
Kind code	A1
Filing date	Mar 15, 2022
Priority date	Apr 2, 2021
Publication date	Oct 6, 2022
Grant date	—

Abstract

Provided is a cathode for an all-solid-state lithium-sulfur battery that makes the discharge capacity improved. The cathode for an all-solid-state lithium-sulfur battery includes: a cathode mixture containing sulfur, a carbon nanotube, P2S5, and an Li2S—P2S5 based solid electrolyte, wherein the sulfur, the carbon nanotube, and the P2S5 form a composite, and the cathode mixture contains higher than 0 wt % and lower than 20 wt % of the carbon nanotube.

First claim

What is claimed is:

1 . A cathode for an all-solid-state lithium-sulfur battery, the cathode comprising:
a cathode mixture containing sulfur, a carbon nanotube, P 2 S 5 , and an Li 2 S—P 2 S 5 based solid electrolyte, wherein the sulfur, the carbon nanotube, and the P 2 S 5 form a composite, and the cathode mixture contains higher than 0 wt % and lower than 20 wt % of the carbon nanotube.

Assignees

• Toyota Motor Co Ltd

Inventors

• Kawakami Masatsugu

Classifications

• H01M2004/027

  Negative electrodes · CPC title

• H01M4/5815

  Sulfides · CPC title

• H01M4/364 Primary

  as mixtures · CPC title

• H01M4/043

  involving compressing or compaction · CPC title

• H01M4/62 Primary

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