Resorcinol Formaldehyde Based Electrospun Carbon Fibers As High Capacity Anode Material for Lithium Ion Batteries

Mamidi, S and Kakunuri, M and Sharma, Chandra Shekhar (2017) Resorcinol Formaldehyde Based Electrospun Carbon Fibers As High Capacity Anode Material for Lithium Ion Batteries. ECS Meeting Abstracts, 77 (11). pp. 331-337. ISSN 2151-2043

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Abstract

Resorcinol formaldehyde (RF) polymer derived carbon gels have been widely used as active electrode material in energy storage devices such as supercapacitors and lithium ion batteries due to their tunable surface area by varying drying conditions.1 In addition to the easily tunable surface area, morphology can also be modified by changing the synthesis parameters and methods.2,3 However, RF xerogel derived carbon nanofibers were not studied as anode material for Li-ion battery due to its non-electrospinnability. Recently, RF-based electrospun carbon nanofibers were prepared by blending it with stretchable Polymethyl methacrylate (PMMA).4 In this work, we have synthesized RF xerogel and PMMA blend based carbon nanofibers and used them as potential anode material for lithium ion battery. These RF xerogel derived electrospun carbon nanofibers show larger lithium ion intercalation capacity not only as compared to RF xerogel derived other carbon morphologies such as powder, interconnected carbon nanoparticles but also other carbon nanofibers based electrodes.5,6

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