Patent · US Active

Lithium/sulphur accumulator

US9391310B2 · kind B2 · utility

2Cited by

1References

13Claims

0Family size

Assignee

COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR

Inventors

Céline Barchasz · Fontaine, FR
Sébastien Patoux · Voiron, FR
Gregory Si Larbi · Sillans, FR

Key dates

Filing date	Dec 13, 2013
Grant date	Jul 12, 2016
Priority date	—
Expiry date	Jan 17, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to a lithium/sulphur accumulator including at least one unit cell including: a negative electrode; an electrode separator comprising a material soaked with electrolyte, said material comprising at least one nonwoven and having a porosity in the range from 50 to 96%, and a thickness in the range from 50 to 200 micrometers; a positive electrode; and wherein said electrolyte is introduced by an excess quantity, and comprises at least one lithium salt, and the excess quantity of electrolyte amounting to from 20 to 200% of the quantity of electrolyte ensuring the wetting of the electrodes and of the separator.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.