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Extreme-rate capable and highly stable SiCO–TiO2 hybrids for Li ion battery anodes†
Shantanu K Behera,Rishi Raj
Chemical Communications Pub Date : 08/19/2013 00:00:00 , DOI:10.1039/C3CC45311A
Abstract

A novel hybrid material for Li ion battery anodes, synthesized from polysiloxane-derived SiCO and nanoparticulate TiO2, exhibited specific capacity in excess of 850 mA h g−1, fully recoverable capacity after cycling at severe current densities, as high as 20 000 mA g−1 or 300 C rate, and exceptional stability beyond 1000 charge discharge cycles without capacity fading. Microscopy of the anodes after 3000 cycles showed no degradation or loss of materials.

Graphical abstract: Extreme-rate capable and highly stable SiCO–TiO2 hybrids for Li ion battery anodes
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