Versatile porous activated carbon from silkworm pupae waste for electrochemical energy storage systems

IF 5.7 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials Research Bulletin Pub Date : 2025-02-03 DOI:10.1016/j.materresbull.2025.113347

Saran Youngjan , Chonticha Rajrujithong , Vichuda Sattayarut , Jakkapop Phanthasri , Kajornsak Faungnawakij , Panitan Kewcharoenwong , Rattabal Khunphonoi , Khongvit Prasitnok , Aphinan Saengsrichan , Issaraporn Rakngam , Weradesh Sangkhun , Sopon Butcha , Chalathorn Chanthad , Pongtanawat Khemthong

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Abstract

Fast charging, large storage, and efficient energy recovery are key to sustainable energy systems. Lithium-ion capacitors (LICs), combining the energy density of lithium-ion batteries (LIBs) and the power density of supercapacitors (SCs), offer a promising solution. This study introduces highly porous activated carbon from silkworm pupae waste (ACPP) for high-performance energy storage. ACPP was synthesized using hydrothermal carbonization in acetic acid media and subsequently activated with potassium carbonate, yielding a 2,476 m²/g surface area and 1.48 cm³/g pore volume. ACPP achieved a specific capacitance of 412 F/g for SCs and a discharge capacity of 969.2 mAh/g for LIBs, significantly outperforming commercial graphite. The ACPP//ACPP LIC device delivered 65 Wh/kg energy density, 260 W/kg power density, and retained over 80 % capacity after 10,000 cycles. This work highlights a sustainable approach to energy storage by upcycling waste material, reducing carbon emissions, and improving LIC performance.

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用于电化学储能系统的蚕蛹废物多孔活性炭

快速充电、大容量存储和高效的能源回收是可持续能源系统的关键。锂离子电容器（lic）结合了锂离子电池（lib）的能量密度和超级电容器（SCs）的功率密度，提供了一个很有前途的解决方案。本研究以蚕蛹为原料制备高孔活性炭（ACPP），用于高性能储能。在乙酸介质中水热碳化合成ACPP，然后用碳酸钾活化，得到2476 m²/g的表面积和1.48 cm³/g的孔隙体积。ACPP实现了SCs的比电容为412 F/g， lib的放电容量为969.2 mAh/g，明显优于商用石墨。ACPP//ACPP LIC器件的能量密度为65 Wh/kg，功率密度为260 W/kg，在10,000次循环后容量保持在80%以上。这项工作强调了通过升级回收废物、减少碳排放和提高LIC性能来实现可持续储能的方法。

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来源期刊

Materials Research Bulletin 工程技术-材料科学：综合

CiteScore

9.80

自引率

5.60%

发文量

372

审稿时长

42 days

期刊介绍： Materials Research Bulletin is an international journal reporting high-impact research on processing-structure-property relationships in functional materials and nanomaterials with interesting electronic, magnetic, optical, thermal, mechanical or catalytic properties. Papers purely on thermodynamics or theoretical calculations (e.g., density functional theory) do not fall within the scope of the journal unless they also demonstrate a clear link to physical properties. Topics covered include functional materials (e.g., dielectrics, pyroelectrics, piezoelectrics, ferroelectrics, relaxors, thermoelectrics, etc.); electrochemistry and solid-state ionics (e.g., photovoltaics, batteries, sensors, and fuel cells); nanomaterials, graphene, and nanocomposites; luminescence and photocatalysis; crystal-structure and defect-structure analysis; novel electronics; non-crystalline solids; flexible electronics; protein-material interactions; and polymeric ion-exchange membranes.