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Journal : Serambi Engineering

Analysis of KCl and H2SO4 Electrolyte Concentration Variations on Specific Capacitance of Electrodes (CNT/PVA) Through Cyclic Voltammetry (CV) Reza, Mutia; Lusi Ernawati; Asful Hariyadi; Ranti Kusuma Wardhani; Thalia Winda Sari; Novi Sylvia
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Escalating need for power usage is the author’s concern in producing this research. Supercapacitors are one of the energy storage devices that have better performance than conventional capacitors. Supercapacitor components generally consist of electrodes, electrolytes, and separators. Electrolytes have an important role that can affect the specific capacitance of supercapacitors. This research resulted in analyzing the type and variation of electrolyte concentrations in the form of KCl and H2SO4 at concentrations of 0.4; 0.7 and 1 M, respectively. Cyclic voltammetry (CV) was conducted using carbon nanotube electrodes which were molded into sheets using Polyvinyl Alcohol (PVA) binder. CV analysis aims to determine the supercapacitor performance as measured by the specific capacitance value. Based on the observation of the results obtained, the best specific capacitance in each type of electrolyte KCl and H2SO4 at a concentration of 1 molar is 55.561 and 54.981 F/g, respectively.
Co-Authors -, Jalalludin . ELWINA . Elwina . Wusnah . Wusnah . YUNARD . Yunardi Abrar Muslim Abrar Muslim Abrar Muslim Agam Muarif Ahmad Fikri Ahmad Fikri Ainun, Sarifah Akbar, Alpadilah ALBANA, HASAN Amanda Fitria Rahmadani Nasution Ananda Monarita Ananda, Aldila Andri Nur rizky Anisa Anisa Anisa Aulia Anisma Fahmi Anisyah Padang Arif Maulana Arif Setiawan Aulia, Muhammad Rifki Aulia, Yeni Authar, Mhammad Azhari Azhari Azhari Azhari Azhari Azhari Cahyati, Annisa Ayu Cut Mauliza Utary Deni Hadiana, Deni Devi, Sri Marlia Dinda Humaira E. Elwina Eddy Kurniawan Elviana, Suci Elwina Elwina Evi Juliati Fachry Abda El Rahman Fahirul Muhar Fahirul Muhar Faisal . Faisal Faisal Fajar Sidiq Seregar Fazira, Zetta Ferri Safriwardy Fibarzi, Wiza Ulfa Fikri Hasfita Fitriani Fitriani Fitriani Fitriani Frastika, Triana Indah Handewi Purwati Saliem, Handewi Purwati Hariyadi, Asful Haslina Haslina Hendi Setiawan Hesni, Yuli Holila, Manna Husna, Uswatun Husni Husin Husni Husin Husni Husni Ibnu Salman, Ibnu Ibrahim, Ishak Ilham Maulana Iqbal Kamar Irma Yani, Irma Ishak Ibrahim Ishak Ibrahim Ishak Ishak Ishak Ishak Ishak Ishak Izazy, Nurul Qolbi Jalaluddin Jalaluddin Jalaluddin Jalaluddin Jalaluddin Jalaluddin Jalaluddin Jalalul Akbar, Said Janni, Miftahul Kamar, Iqbal Khairunnisa Khalsiah Khalsiah Kurniawan, Meutia Leni Maulinda, Leni Leni, Maulinda Lia Sobrina Lukman Hakim Lukman Hakim Lukman Hakim M Ali Anto M Anjes Laudi M Riza M Zulfadhli Maharsih, Inggit Kresna Mariana Mariana Maryana Maryana Masrullita Masrullita Masrullita Masrullita Masrullita, Masrullita Maulana, Muhammad Zikri Mauliza Asri Mawaddah Fitria Medyan Riza Medyan Riza Meriatna Meriatna Monika Ramazela Muhammad Muhammad Muhammad Subhan Muhammad, Muhammad Mulyawan, Rizka Mutia Reza Mutia Reza Mutiara Lestari Simanjuntak Nabila Adhani Nasrul ZA Nasrul ZA Nasrul ZA, Nasrul Nasrul Za, Nasrul Za Nasrun, Mahdalena Nia Sagita Lestari Nissah, Khairun Nur Alia, Nur Nur Asiah Indah Rahayu Nurlaila, Rizka Nurmalita Nurmalita Oktaviani oktaviani Panjaitan, Muhammad Ishak Idrus Permatasari, Anggraeni Dian pradana, ardie surya Purwoko, Agus Pusfitasari, Memik Dian Putri, Balqis Eka putri, intan nanda Putri, Melani Annisa Qisti, Ruhul R.A Nita Rosalinda Muttaqin Rahayu Retnowulan, Sri Rahmi, Delfi Ramadhan, Cindia Ramdhani, Nevia Arbi Ranti Kusuma Wardhani Raudhatul Ulfa Retnowulan, Sri Rahayu Reza, Mutia Rianda, Rizki Rido Lumban Tobing Ridwandi Riska Putri Rizka Mulyawan Rizka Mulyawan Rizka Nurlaila Roja Andesta Rozanna Dewi Safriwardi, Ferri Salim, Muhammad Yahdi Sandi, Nazlia Armita Saputra Ramadhan, Muhammad Bagus Sarah Sarah Sari, Thalia Winda Sembiring, Rinawati Seriani Annisa Sigian, Zikri Husni Silitonga, Hanna Amaliah Sinaga, Ahmad Roihan Sitorus, Sarifah Sulhatun Sulhatun Suryati Suryati Suryati Suryati Suryati Syafriandi Damanik Syamsul Bahri Syamsul Bahri Syamsul Bahri Taufiq Taufiq Thalia Winda Sari Tsa Tsa Anindya Rakhim Ahmadi Ulfa, Raudhatul Vebry Ade Vrans Veithzal Rivai Zainal Wardhani, Ranti Kusuma Wawan Setiawan Wiza Ulfa Fibarzi Wiza Ulfa Fibarzi Wusnah Wusnah, Wusnah Yazid Bindar Yazid Bindar Yazid Bindar Yogi Ardhika Wijaya Yonita Putri Roja Yosi, Andre Yunardi, Y yunardi, yunardi Yuni Evama Yusi Riksa Yustiana, Yusi Riksa Zainuddin Ginting Zulmiardi, Zulmiardi Zulnazri Zulnazri, Z