Patent · US Active

Silicon particles having a specific chlorine content, as active anode material for lithium ion batteries

US11936038B2 · kind B2 · utility

0Cited by

5References

14Claims

0Family size

Assignee

Wacker Chemie AG · DE

Inventors

Jurgen Pfeiffer · Reinach, CH
Eckhard Hanelt · Geltendorf, DE
Harald Hertlein · Burghausen, DE
Karl Hesse · Sarstedt, DE
Robert Maurer · Omaha, US

Key dates

Filing date	Oct 2, 2018
Grant date	Mar 19, 2024
Priority date	—
Expiry date	Apr 14, 2040

Classification

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

Abstract

An anode active material for lithium ion batteries includes one or more unaggregated silicon particles having a mass-based chlorine content of from 5 to 200 ppm and a volume-weighted particle size distribution having diameter percentiles d50 of from 0.5 μm to 10.0 μm.

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