Document Type

Article

Subject Area(s)

Chemical Engineering

Abstract

Chromiumoxides and lithiated chromium oxides were synthesized by thermal decompositionof chromium trioxide (CrO3) at high temperatures and oxygen pressures.Synthesis temperature and pressure markedly affect the performance of thesecathode materials. Higher pressures lead to a higher O/Cr ratioand fewer impurities in the final product. These materials arestable intercalation hosts for lithium, and exhibit a higher capacitythan any of the prominent positive electrodes used in secondarylithium batteries. m-CrOx has a capacity of 255 mAh/g, while m-LiCrOxhas a capacity of 210 mAh/g, during the first discharge. Theaverage voltage of these cells is 3.0 V vs. Li/Li+ thatgives an average energy density of approximately 650 Wh/Kg.

Digital Object Identifier (DOI)

https://doi.org/10.1149/1.1390702

Rights

© The Electrochemical Society, Inc. 1998. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS). The archival version of this work was published in Electrochemical and Solid-State Letters.

http://www.electrochem.org/

APA Citation

Arora, P., Zhang, D., Popov, B. N., White, R. E., & The Electrochemical Society. (1998). Chromium oxides and lithiated chromium oxides. promising Cathode materials for secondary lithium batteries. In Electrochemical and Solid-State Letters 1(6) 249-251. https://doi.org/10.1149/1.1390702

Share

COinS