Improved Voltage and Cycling for Li+ Intercalation in High‐Capacity Disordered Oxyfluoride Cathodes

Advanced Science

Shuhua Ren⁴  Ruiyong Chen⁴  Emad Maawad¹  Oleksandr Dolotko³  Alexander A. Guda²  Viktor Shapovalov²  Di Wang⁴  Horst Hahn⁴ 

[1] Institute of Materials Research, Helmholtz-Zentrum Geesthacht, Hamburg, Germany;International Research Center–Smart Materials, Southern Federal University, Rostov-on-Don, Russia;Heinz Maier-Leibnitz Zentrum, Technische Universität München, Garching, Germany;Institute of Nanotechnology, Karlsruhe Institute of Technology, Karlsruhe, Germany

关键词: disordered rock salt;    intercalation cathodes;    Li‐ion batteries;    oxyfluoride;   

DOI  :  10.1002/advs.201500128

来源: Wiley

【 摘 要 】

Abstract

New high-capacity intercalation cathodes of Li₂V_xCr_1−xO₂F with a stable disordered rock salt host framework allow a high operating voltage up to 3.5 V, good rate performance (960 Wh kg⁻¹ at ≈1 C), and cycling stability.

【 授权许可】

CC BY   
© 2015 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.