Patent · US Active

Increasing gravimetric capacity in batteries

US11264638B2 · kind B2 · utility

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19Claims

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Assignee

The Regents of the University of California · US

Inventors

Matteo BIANCHINI · Karlsruhe, DE
Gerbrand Ceder · Wellesley, US

Key dates

Filing date	Feb 5, 2018
Grant date	Mar 1, 2022
Priority date	—
Expiry date	Aug 30, 2038

Classification

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

Abstract

A sodium-ion battery includes an electrode having a crystalline active material represented by formula units that intercalate and/or deintercalate more than two charge carriers during operation of the battery. In some instances, the active material that experiences a volume change of less than 6.0%, 4.0%, or even 2.0% when the active material intercalates more than two charge carriers during operation of the battery.

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