Patent · US Expired

Active material for rechargeable batteries

US6958139B1 · kind B1 · utility

3Cited by

10References

10Claims

0Family size

Assignee

H. C. Starck GmbH & Co. KG · DE

Inventors

Oskar Glemser · Oebisfelde, DE
Sven Albrecht · Goslar, DE

Key dates

Filing date	Nov 22, 2000
Grant date	Oct 25, 2005
Priority date	—
Expiry date	Nov 22, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A mixed metal hydroxide with brucite structure is described, which contains nickel hydroxide as its main component and at least one trivalent metal selected from the group consisting of Co, Fe, Al, Ga, In, Sc, Y and La in an amount of from about 12 to about 30 atom % relative to the sum of the metal components including Ni. The invention also relates to a rechargeable battery containing a mixed metal hydroxide according to the invention as an electrochemically active material as well as a secondary batter containing the mixed metal hydroxide. The invention also relates to a process for producing a mixed metal hydroxide having a brucite structure.

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