Patent · US Active

Immobilized selenium, a method of making, and uses of immobilized selenium in a rechargeable battery

US11515518B2 · kind B2 · utility

0Cited by

2References

27Claims

0Family size

Assignees

Institute of Chemistry Chinese Academy of Sciences · CN
II-VI DELAWARE, INC. · US

Inventors

Elgin E. Eissler · Renfrew, US
Wen-Qing Xu · Sarver, US
Yancheng Zhang · State College, US
Xiaoming Li · Irvine, US
Shailesh Patkar · Irwin, US
Giovanni Barbarossa · Saratoga, US
Yu-Guo Guo · Stuttgart, DE
Shuaifeng Zhang · Beijing, CN
Yaxia Yin · Beijing, CN

Key dates

Filing date	Jun 11, 2020
Grant date	Nov 29, 2022
Priority date	—
Expiry date	Feb 6, 2041

Classification

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

Abstract

An immobilized selenium body, made from carbon and selenium and optionally sulfur, makes selenium more stable, requiring a higher temperature or an increase in kinetic energy for selenium to escape from the immobilized selenium body and enter a gas system, as compared to selenium alone. Immobilized selenium localized in a carbon skeleton can be utilized in a rechargeable battery. Immobilization of the selenium can impart compression stress on both the carbon skeleton and the selenium. Such compression stress enhances the electrical conductivity in the carbon skeleton and among the selenium particles and creates an interface for electrons to be delivered and or harvested in use of the battery. A rechargeable battery made from immobilized selenium can be charged or discharged at a faster rate over conventional batteries and can demonstrate excellent cycling stability.

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