A new "zero-strain" material for electrochemical lithium insertion

作者：Gu Yunpeng^*; Taniguchi Kouji; Tajima Ryosuke; Nishimura Shin ichi; Hashizume Daisuke; Yamada Atsuo; Takagi Hidenori

来源：Journal of Materials Chemistry A, 2013, 1(22): 6550-6552.

DOI：10.1039/c3ta10878c

A new "zero-strain" system, spinel Li1+xRh2O4, is found as an insertion material for lithium ions. A very small volume change of ca. 0.5% is observed in the two-phase reaction process. The "zero-strain" behavior is likely induced by itinerant t(2g) electrons with a suppressed Jahn-Teller effect.

• 出版日期2013