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Journal : Journal of Multidisciplinary Applied Natural Science

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 Aang Zainul Abidin Adiella Zakky Juneid Adiella Zakky Juneid Aditia Pramudia Sunandar Adiwinoto, Nur Rahmatika Agisna Nursita AGUS PURWANTO Agus Sugiarto Alfarisa, Suhufa Alviana, Jaynis Dhifa Aminuyati Anak Agung Gede Sugianthara Andriani, Nur Baeity Annisa Indriawati Aprilia, Ananda Aprina Defianti Aprlilia, Ananda Arif Rahman Aris Kurniawan Ariswan Ariswan Ariswan Ariswan Ariswan, Ariswam Asya Nailul Fauziah Athi' Nur Auliati Rahmah Atina - Atina, Atina Ayub, Made Rai Shanti Aziz, Khafidh Nur Azzahra Qurrata A’yun Bagas Prakoso Balqist, Eggydhia Ananda Rania Bambang Ruwanto Bambang Ruwanto, Bambang Bian Itsna Ashfa Al Ashfiya Bob Widodi Buky Wahyu Pratama Danvi Sekartaji Denny Darmawan Denny Darmawan Dhiarni, Yutisa Is Dian Puspita Eka Putri Dian Puspita Eka Putri Duden Saepuzaman, Duden Dwi Wahyu Nugroho Dyah Silviana Sari Edi Istiyono Elisabeth Pratidhina Elisabeth Pratidhina Emi Kurnia Sari Eryuni Setyani Fajrul Falah Fauzi, Fika Febriani Febriani Febriani Fika Fauzi Fitria Ayu Sulistiani Fitria Irawan Fitria Wulandari Galih Ramadhan Alwaasith Hari Sutrisno Haris Suhendar Hastuti, Irnawati Widya Heru Kuswanto Hidayatullah, Abdul Rosyid Husna, Salsabila Iman Santoso Iman Santoso Indriawati, Annisa Insih Wilujeng Irnawati Widya Hastuti Ishafit Juli Astono Juliana Megawati Simanjuntak Julius Elfino Jumadi Jumadi Jumadi Jumadi Kartika Aulia Widyani Khasanah, Ayu Hana Umi Laeli, Silvia Laila Nur Hanif Lilik Kurniawan Lilis Misnawati Listari, Eka Sentia Ayu Millah, Syari Fatul Muhammad Ikrom Mustofa, Nisrina Hasna Nasir, Muhammad Hilmi Niken Kristiyanti nosiyosa judenori Nugan Tadeko Nunung Fadilah Nur Baeity Andriyani Nur Kadarisman Nurohman, Yosi Nurul Miftakhul Janah Nurul Taufiqu Rochman Oktiana Lusi Priyani Parmin Lumbantoruan Permana, Hilmi Ardian PHATMA DIAN PRATIWI Pratama, Buki Wahyu Pratama, Buky Wahyu Pujianto Pujianto Purwanto, Agus Purwoko Haryadi Santoso Putri Anjarsari Putri, Sabrina Elysia R. A. Adipurno R. Yosi Aprian Sari Rachman, Anisyah Raden Wisnu Murti Sulaindra Radyum Ikono Rahmatullah Rahmatullah Ratnawati Retnowati, Rahayu Dwisiwi Sri Revnika Faizah Rhyko Irawan Wisnuwijaya Rhyko Irawan Wisnuwijaya Rhyko Irawan Wisnuwijaya Rika Noor Safitri Rini Septiana Rita Prasetyowati Safitri, Rika Noor Sari, Dyah Silviana Sari, Emi Kurnia Sari, Riska Arsita Septiana, Rini Silvia Nur Fatmawati Siti Choerotun Nisa’ SL, Deby Grace Sudarsono Sukardiyono Sukardiyono Sunardi Rahman Suparno Suparno Suparno Suparno Suparno Suparwoto Suparwoto Surya Jatmika Susanto, Duwi Tessa, Adhis Tito Prastyo Rahman Toni Hasmedi Toruan, Parmin Lumban Trisonia Fitria Tullah, Hidayat Ulfa Aulia Syamsuri Utami, Ridho Warsono Warsono Warsono Warsono Warsono Watuna, Monica Ananda Wiratama, Pradeo Putra Wisnuwijaya, Rhyko Irawan Yosi Nurohman Yusman Wiyatmo Yusron, Eri Yuwana Widada Zakwandi, Rizki