Patent · US Expired

Step cell

US4293622A · kind A · utility

16Cited by
6References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 1980
Grant dateOct 6, 1981
Priority date
Expiry dateFeb 25, 2000

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01M6/5055
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A lithium/thionyl chloride electrochemical cell, particularly suitable for use in surgically implanted devices, is disclosed which exhibits a step change in its output voltage sufficiently prior to full cell discharge to enable the timely replacement of the cell under non-critical circumstances.

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