Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 17, Issue 2, Pages 1257-1264Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cp04087b
Keywords
-
Funding
- National Natural Science Foundation of China (NSFC) [51372268]
Ask authors/readers for more resources
Li-rich layered Li1+xMnyM1-x-yO2 (or denoted xLi(2)MnO(3)center dot(1-x)LiMO2, M = Ni, Co, Mn, etc.) are promising cathode materials for high energy-density Li-ion batteries. However, their commercial applications suffer from problems such as a drop in the capacity and discharge voltage during cycling. In this work, the cycling performance of a layered oxide Li1.2Ni0.13Co0.13Mn0.54O2 is improved by integration with spinel LiNi0.5Mn1.5O4 to obtain a layered-spinel composite. Characterization by powder X-ray diffraction (XRD), high resolution transmission electron microscopy (HRTEM) as well as cyclic voltammetry (CV) indicates that delayed degradation of layered Li2MnO3 and the suppressed growth of LiMn2O4-like spinel are responsible for the performance improvement.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available