The effective utilization of slurry oil is a realistic and meaningful subject. Here, the sulfur-doped porous carbons (SPCs) are successfully prepared through sulfonation and carbonization process using the cheap slurry oil as raw material and porous MgO own rich mecroporous frameworks as template. As anode for lithium ion batteries (LIBs), SPC2 exhibits a considerable Li storage capacity (1200 mA h g-1 at the current density of 50 mA g-1) and superior rate capability (532 mA h g-1 at 800 mA g-1) with excellent cycling stability and high coulombic efficiency (nearly 100%). A method to directly use slurry oil for a scalable synthesis of SPCs was developed. In particular, the excellent performance of the SPC2 with well developed porosity and high surface area exhibiting improved performance as materials for batteries will precisely match the requirements of the future applications.

Synthesis of sulfur-doped porous carbon for high-performance lithium-ion batteries

251st National Meeting (2016)

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