Building Honeycomb-Like Hollow Microsphere Architecture in a Bubble Template Reaction for High-Performance Lithium-Rich Layered Oxide Cathode Materials
The authors are thankful for financial support from the Hunan Provincial Key Research and Development Plan (Grant 2016GK2012), a project supported by the Research Foundation of Education Bureau of Hunan Province (Grant 16A001). This project was supported by the Hunan Provincial Natural Science Foundation of China (Grant 2016JJ3008) and National Science Foundation for Young Scientists of China (Grants 51604042 and 21601020).
机构署名:
本校为第一且通讯机构
院系归属:
材料科学与工程学院
摘要:
In the family of high-performance cathode materials for lithium-ion batteries, lithium-rich layered oxides come out in front because of a high reversible capacity exceeding 250 mAh g-1. However, the long-term energy retention and high energy densities for lithium-rich layered oxide cathode materials require a stable structure with large surface areas. Here we propose a "bubble template" reaction to build "honeycomb-like" hollow microsphere architecture for a Li1.2Mn0.52Ni0.2Co0.08O2cathode material. Our material is designed with ca. 8-μm-sized secondary particles with hollow and highly expo...