Patent · US Expired

Secondary battery

US4119767A · kind A · utility

2Cited by

1References

3Claims

0Family size

Assignee

BASF SE

Inventors

Fritz Beck · Duisburg, DE
Rolf Wurmb
Klaus Boehlke

Key dates

Filing date	Apr 1, 1977
Grant date	Oct 10, 1978
Priority date	—
Expiry date	Apr 1, 1997

Classification

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

Abstract

In a secondary battery employing an aqueous lead salt solution as the electrolyte, salts of manganese, cobalt, nickel, copper, thallium, bismuth and/or antimony are additionally present in concentrations of from 0.1 to 100 mmole/l.

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