Patent · US Active

Method for operating a lithium ion battery, lithium ion battery, and motor vehicle

US11996513B2 · kind B2 · utility

0Cited by

2References

7Claims

0Family size

Assignee

Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Dave Andre · Munich, DE
Christoph Bauer · Graz, AT
Simon NUERNBERGER · Munich, DE
Jakub Reiter · Munich, DE
Sebastian SCHARNER · Fürstenfeldbruck, DE

Key dates

Filing date	Mar 29, 2019
Grant date	May 28, 2024
Priority date	—
Expiry date	Apr 1, 2041

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/50
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A method is provided for operating a lithium ion battery having at least one lithium ion cell and a heating device, the method includes a step of operating the lithium ion battery in a temperature range between 5 and 90° C. The heating device is designed to operate the lithium ion battery in a temperature range between 5 and 90° C. The lithium ion cell includes an anode, a cathode, a separator, a current collector and an electrolyte. The electrolyte can contain LiBOB as the conducting salt and at least one solvent selected from propylene carbonate and ethylene carbonate; or having LiFSI and/or LiDFOB as the conducting salt and at least one solvent selected from glycol ether and/or DMC; or having LiFSI and/or LiTFSI and/or LiDFOB and/or LiTDI as the conducting salt and at least one solvent selected from imidazolium compounds, pyrrolidinium compounds and piperidinium compounds.

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