Sol-gel synthesis of aliovalent vanadium-doped LiNi0.5Mn1.5O4 cathodes with excellent performance at high temperatures

• Main Authors: Kang, Kisuk, Kim, Min Chul, Nam, Kyung-Wan, Aravindan, Vanchiappan, Kim, Woo-Seong, Yang, Xiao-Qing, Kim, Hyungsub, Hu, Enyuan, Lee, Yun-Sung
• Other Authors: Energy Research Institute @ NTU (ERI@N)
• Format: Article
• Language: English
• Published: 2014
• Subjects: DRNTU::Science::Chemistry::Inorganic chemistry::Synthesis
• Online Access: https://hdl.handle.net/10356/106500; http://hdl.handle.net/10220/19726
• Institution: Nanyang Technological University

Extraordinary performance at elevated temperature is achieved for high-voltage spinel-phase LiNi0.5Mn1.5O4 cathodes prepared using an adipic-acid-assisted sol–gel technique and doped with vanadium. V-substitution in the Li sites (Wykoff position 8a) is confirmed by V K-edge X-ray absorption spectros...