Patent · US Active

Battery system and method for system state of charge determination

US9030169B2 · kind B2 · utility

966Cited by
9References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 3, 2009
Grant dateMay 12, 2015
Priority date
Expiry dateFeb 29, 2032

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/70
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A battery system and method of providing a state of charge of for the system in one embodiment includes at least one first cell, the at least one first cell having a first battery chemistry exhibiting a first open circuit potential, and at least one second cell in series connection with the at least one first cell, the at least one second cell having a second battery chemistry exhibiting a second open circuit potential, wherein the at least one first cell exhibits an open circuit potential with a center slope that is greater than the center slope of the open circuit potential exhibited by the at least one second cell.

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