Journal
CARBON
Volume 134, Issue -, Pages 9-14Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2018.03.065
Keywords
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Funding
- Science and Engineering Research Board (SERB)
- Department of Science & Technology, Govt. of India through Ramanujan Fellowship [SB/S2/RJN-088/2016]
- Hebrew University of Jerusalem (HUJ, Israel)
- Nanyang Technological University (NTU, Singapore)
- National Research Foundation of Singapore (NRF, Singapore)
- CREATE (Campus for Research Excellence and Technological Enterprise)
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We report the facile and low temperature synthesis of one dimensional graphitic fibers with hollow structured morphology (VO-CF) by modified chemical vapor deposition using vegetable oil as a carbon source. Graphitization of the prepared phase is validated with various analytical tools. Prior to the fabrication of charge storage devices like Li-ion battery (LIB) and Li-ion capacitor (LIC), Li-insertion properties of VO-CF is studied in half-cell assembly. Mass adjustment between the electrodes are very crucial and adjusted for aforesaid energy storage devices. Pre-treatment or pre-lithiation is carried out using an electrochemical approach in Swagelok fittings with Li. LIB assembly with LiFePO4 delivered a maximum energy density of similar to 233Wh kg(-1) whereas the LIC displayed the energy density of similar to 112Wh kg(-1) when paired with activated carbon electrode. Both LIB and LIC assemblies rendered very decent cycling profiles for extended 500 and 10000 cycles, respectively. (C) 2018 Elsevier Ltd. All rights reserved.
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