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All Journal Jurnal Penelitian Fisika dan Aplikasinya (JPFA) JPPPF (Jurnal Penelitian dan Pengembangan Pendidikan Fisika) Spektra: Jurnal Fisika dan Aplikasinya Journal of Multidisciplinary Applied Natural Science PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Mitra Teras: Jurnal Terapan Pengabdian Masyarakat Current STEAM and Education Research
Haris Suhendar
Department Of Physics, Faculty Of Mathematics And Natural Science, Universitas Negeri Jakarta, Jl. Rawamangun Muka, Jakarta 13220, Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Environmental Science Immunology & microbiology Materials Science & Nanotechnology Mathematics Physics Other

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Journal : Journal of Multidisciplinary Applied Natural Science

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Enhancing Supercapacitor Cell Capacitance through Liquid-Phase Exfoliation Synthesis of Graphene Pratama, Buky Wahyu; Suhendar, Haris; Dwandaru, Wipsar Sunu Brams; Santoso, Iman
Journal of Multidisciplinary Applied Natural Science Vol. 5 No. 2 (2025): Journal of Multidisciplinary Applied Natural Science
Publisher : Pandawa Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47352/jmans.2774-3047.254

Abstract

Our study investigates the remarkable capacitance performance of a supercapacitor cell featuring electrodes synthesized through the liquid-phase exfoliation (LPE) method using environmentally friendly linear alkylbenzene sulfonate (LAS) surfactant. We explored different synthesis temperatures (15, 30, and 90 °C) to evaluate their impact on reducing sonication time. The electrodes, created by drop-casting graphene onto a silver plate substrate and heated at 50 °C, demonstrated exceptional cyclic voltammetry (CV) and charging-discharging (CD) results. Notably, the graphene synthesized at 90 °C exhibited a maximum capacitance of 59 F/g at a 13 mV/s scan rate in a 1.3 M KOH electrolyte gel, leading to superior energy density as shown in the Ragone plot. Our findings highlight the crucial role of increased synthesis temperature in LPE, enhancing supercapacitor cells through the expansion of sp2-ordered grain size, evident in the Raman shift data's ID/IG increase.
Co-Authors Abdillah, Muhlis Ahmad Aldaciptarisa, Aldaciptarisa Aminuyati Bambang Heru Iswanto Budiawan , Muhammad Ardi Budiawan, Muhammad Ardi Dwi Susanti Dyah Silviana Sari Emi Kurnia Sari Fauzi, Fika Fika Fauzi Fitri Luciana Ghina Muqita, Saffanah Hadi Nasbey Harlastputra, Amario Fausta Hesti Radean Iman Santoso Iman Santoso Isnaini, I Gusti Ayu Mangasi Alion Marpaung Maulana, Slamet Muqita, Saffanah Ghina Nurhasanah, Gina Nurul Imani Oktaviani, Paulina Riska Pratama, Buky Wahyu Ramadhani, I Gusti Ayu Isnaini Fatha Risanti, Risanti Riser Fahdiran Sabrina, Putri Marsha Sari, Dyah Silviana Sari, Emi Kurnia Sukmaningsih, Rania Virda Susila, Anggara Budi Teguh Budi Prayitno Umiatin, Umiatin Upik Rahma Fitri, Upik Rahma Utami, Vina Bekti Widyaningrum Indrasari Wipsar Sunu Brams Dwandaru Wulandari Fitriani Yeti Rafitasari