Utilizing luffa sponge-derived porous activated carbon as a sustainable environmental bio-mass for renewable energy storage applications

被引:0
作者
Chidambaram, Brundha [1 ,2 ,3 ]
Sengodan, Prabhu [4 ,5 ]
Jeon, Seokwoo [6 ]
Srituravanich, Werayut [1 ,2 ,3 ]
机构
[1] Chulalongkorn Univ, Fac Engn, Dept Mech Engn, Micro Nano Electromech Integrated Device Res Unit, Bangkok 10330, Thailand
[2] Chulalongkorn Univ, Fac Engn, Biomed Engn Program, Bangkok 10330, Thailand
[3] Chulalongkorn Univ, Fac Engn, Biomed Engn Res Ctr, Bangkok 10330, Thailand
[4] Zhejiang Normal Univ, Coll Geog & Environm Sci, Jinhua 321004, Peoples R China
[5] Saveetha Univ, Saveetha Inst Med & Tech Sci, Saveetha Sch Engn, Dept Phys, Chennai 602105, Tamil Nadu, India
[6] Korea Univ, Dept Mat Sci & Engn, Seoul 02841, South Korea
关键词
Biomass; Luffa sponge; Activated carbon; Energy storage; Supercapacitors; SUPERCAPACITORS; BIOMASS;
D O I
10.1016/j.biombioe.2025.107667
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
The advancement of sustainable technologies for producing green energy sources is essential, especially for energy storage and conversion methods that preserve ecosystems. A promising approach involves using low-cost, eco-friendly activated carbon derived from bio-waste materials, such as luffa sponge, for energy storage applications. This study details the preparation of activated carbon (LSAC) derived from luffa sponge through hydrothermal treatment followed by KOH activation at 400 degrees C, 600 degrees C, and 800 degrees C to optimize its properties. The biomass-derived carbon structural and morphological properties are analyzed, and these materials are used as electrodes to assess their electrochemical characteristics. According to cyclic voltammetry tests, LSAC-8 demonstrates a specific capacitance of 411.63 F g-1 at a current density of 1 A g-1, exhibiting much lower electrochemical impedance than the other samples. LSAC-8 also demonstrates low internal resistance (1.25 Omega) and superb cycling stability over 2000 cycles, enhancing the electrochemical performance of biomass resources. Delivering a high energy density of 24.88 Wh kg-1 at a power density of 1230 W kg-1 in a PVA/KOH electrolyte, the LSAC-8-based symmetric supercapacitor demonstrates substantial commercial potential for high-efficiency supercapacitor technologies.
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页数:12
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