▎ 摘　　要

Titanium nitride/graphene nanocomposite as an anode material of lithium ion batteries has been fabricated through the reaction of TiCl4 and NaN3 in supercritical benzene medium followed by ammonia treating at 1000 degrees C for 10h. The synthesized TiN/G nanocomposite depicts rate-dependent behavior in such a way that it shows specific capacity of 115 mAh g(-1) when is cycled at higher rate (1.6 C) while it shows 76 mAh g(-1) when is cycled initially at lower rate (0.2 C) and is subsequently subjected to higher rate (1.6 C). Moreover, TiN/G anode demonstrates capacity retention of 112%, 100%, and 70% after 250 cycles at charge/discharge rates of 1.6, 0.7, and 0.2 C, respectively. This unusual behavior can be due to (i) an affected lithiation/delithiation mechanism and consequently stabilized carbon layered structure, and (ii) less solid electrolyte interface formation. Furthermore, the possible mechanisms of this rate dependent behavior of TiN/G anode are discussed. (C) 2016 Elsevier Ltd. All rights reserved.