Nano-Li4Ti5O12 anchored on carbon nanotubes by liquid phase deposition as anode material for high rate lithium-ion batteries

Preparation and characterization of W-doped Li4Ti5O12 anode material for enhancing the high rate performance

“…However, electrodes made from LTO without any materials modifications usually show poor rate performance, which mainly results from the poor electronic conductivity [6]. To enhance the electronic conductivity of this material, three methods were mainly proposed, including synthesis of nanosized particles [7][8][9][10][11], deposition of metal powder or carbon on LTO particle surface [12][13][14][15][16], substituting Li or Ti by doping it with metal ions (such as AI 3+ [6], Ag + [17], Na + [18], Mg 2+ [19], V 5+ [19,20], Zr 4+ [21], Ni 2+ [22], Nb 5+ [23], La 3+ [24] and Ru 4+ [25][26][27]). Doping can have a direct impact on the structure and stability of LTO during lithium intercalation and deintercalation.…”

Advances in Lithium-Ion Battery Technology Based on Functionalized Carbon Nanotubes for Electrochemical Energy Storage

“…Li 4 Ti 5 O 12 /CNT composite electrodes exhibited excellent cyclability with no noticeable decrease in performance over 100 cycles at 5C. In addition, the high-rate capacity of 112 mAh g À1 at 20C is observed to be higher than that obtained at the 5C (106.5 mAh g À1 ) for the bulk Li 4 Ti 5 O 12 /CNTs [170].…”

Active and inactive buffering effect on the electrochemical behavior of Sn–Ni/MWCNT composite anodes prepared by pulse electrodeposition for lithium-ion batteries

“…The use of core shell structure can also contribute to reduction of the intrinsically large volume change during the alloying-de-alloying. The enhanced capability is attributed to the high conductivity of MWCNTs, which makes a percolating network throughout the electrodes [35]. MWCNTs play an important role as a buffering agent that prevents the agglomeration of active materials as an electron conductor of one dimensional structure to promote charge transfer.…”