Progress in High-Capacity Core-Shell Cathode Materials for Rechargeable Lithium Batteries.
High-energy-density rechargeable batteries are needed to fulfill various demands such as self-monitoring analysis and reporting technology (SMART) devices, energy storage systems, and (hybrid) electric vehicles. As a result, high-energy electrode materials enabling a long cycle life and reliable safety need to be developed. To ensure these requirements, new material chemistries can be derived from combinations of at least two compounds in a secondary particle with varying chemical composition and primary particle morphologies having a core-shell structure and spherical cathode-active materials, specifically a nanoparticle core and shell, nanoparticle core and nanorod shell, and nanorod core and shell. To this end, several layer core-shell cathode materials were developed to ensure high capacity, reliability, and safety.
†Department of Nano Engineering, Sejong University, Seoul 143-747, South Korea.
Seung-Taek
ST
Myung
‡Department of Energy Engineering, Hanyang University, Seoul 133-791, South Korea.
Hyung-Joo
HJ
Noh
‡Department of Energy Engineering, Hanyang University, Seoul 133-791, South Korea.
Sung-June
SJ
Yoon
‡Department of Energy Engineering, Hanyang University, Seoul 133-791, South Korea.
Eung-Ju
EJ
Lee
‡Department of Energy Engineering, Hanyang University, Seoul 133-791, South Korea.
Yang-Kook
YK
Sun