Patent · US Active

Anode materials for lithium ion batteries and methods of making and using same

US10777812B2 · kind B2 · utility

0Cited by

5References

15Claims

0Family size

Assignee

Johnson Matthey Public Limited Company · GB

Inventors

Xiaohua Ma · Woodbury, US
Mark N. Obrovac · Windom, US

Key dates

Filing date	Dec 15, 2016
Grant date	Sep 15, 2020
Priority date	—
Expiry date	Mar 5, 2037

Classification

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

Abstract

An electrochemically active material includes an active phase that includes silicon, and at least one inactive phase having a Scherrer Grain Size of greater than 5 nanometers. Each inactive phase of the material having a Scherrer Grain Size of greater than 5 nanometers has a lattice mismatch to Li15Si4 of greater than 5%.

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