淡江大學機構典藏:Item 987654321/123268
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    题名: Bio-Phenolic Resin Derived Porous Carbon Materials for High-Performance Lithium-Ion Capacitor
    作者: Cho, Er-Chieh;Cai-Wan, Chang-Jian;Lu, Cheng-Zhang;Huang, Jen-Hsien;Tzu-Hsien Hsieh, Nian-Jheng Wu;Lee, Kuen-Chan;Hsu, Shih-Chieh;Weng, Huei Chu
    关键词: biomass;porous carbon;Li4Ti5O12;supercapacitor;lithium-ion battery
    日期: 2022-01-31
    上传时间: 2023-04-28 17:30:06 (UTC+8)
    出版者: MDPI AG
    摘要: In this article, hierarchical porous carbon (HPC) with high surface area of 1604.9 m2/g is prepared by the pyrolysis of rubberwood sawdust using CaCO3 as a hard template. The bio-oil pyrolyzed from the rubber sawdust, followed by the polymerization reaction to form resole phenolic resin, can be used as a carbon source to prepare HPC. The biomass-derived HPC shows a three-dimensionally interconnected morphology which can offer a continuous pathway for ionic transport. The symmetrical supercapacitors based on the as-prepared HPC were tested in 1.0 M tetraethylammonium tetrafluoroborate/propylene carbonate electrolyte. The results of electrochemical analysis show that the HPC-based supercapacitor exhibits a high specific capacitance of 113.3 F/g at 0.5 A/g with superior rate capability and cycling stability up to 5000 cycles. Hybrid lithium-ion capacitors (LICs) based on the HPC and Li4Ti5O12 (LTO) were also fabricated. The LICs have a maximum energy density of 113.3 Wh/kg at a power density of 281 W/kg. Moreover, the LIC also displays a remarkable cycling performance with a retention of 92.8% after 3000 cycles at a large current density of 0.75 A/g, suggesting great potential application in the energy storage of the LIC.
    關聯: Polymers 2022, 14, p.575
    DOI: 10.3390/polym14030575
    显示于类别:[化學工程與材料工程學系暨研究所] 期刊論文

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