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All Journal Journal of Renewable Energy, Electrical, and Computer Engineering Literasi: Jurnal Pengabdian Masyarakat dan Inovasi
Memik Dian Pusfitasari
Institut Teknologi Kalimantan
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Other

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Pengenalan Sains Terapan Sederhana Guna Meningkatkan Minat Sains Pada Siswa di Lingkungan SMP Negeri 17 Balikpapan Riza Alviany; Inggit Kresna Maharsih; Fadhil Muhammad Tarmidzi; Bangkit Gotama; Memik Dian Pusfitasari
Literasi: Jurnal Pengabdian Masyarakat dan Inovasi Vol 3 No 1 (2023)
Publisher : Pengelola Jurnal Politeknik Negeri Ketapang

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Abstract

Students' interest in learning may be enhanced through an attractive learning design. An attractive learning design can improve the quality of student understanding, where improvement can be assessed from the effectiveness of learning. Aspects that can affect the effectiveness of learning are learning curriculum, facilities, and teacher quality. Of the three aspects, the aspect of facilities is often a problem in schools. One example of limited school facilities is the inadequacy of the Natural Sciences Laboratory. Public Junior High School (SMPN) 17 Balikpapan is one of the schools which is constrained in the aspect of facilities where it only has one Science Laboratory so that the practicum is only carried out occasionally. Therefore, community service is carried out at SMPN 17 Balikpapan through the "Introduction to simple applied science to increase interest in science" program in which it is hoped that students' knowledge and interest in science will increase. To increase the knowledge and interest of students in science, a simple hands-on module is implemented. Before doing practicum, students are first given science material in the form of basic theory related to the experiment to be carried out. Evaluation of the activity was carried out by conducting a post-test on students in the class that was the target of the program (VII G) and the comparison class (VII A). The evaluation results showed that class VII G got a higher average score than class VII A, but class VII A got a score ≥ 75 which had a higher percentage. Field findings show that the addition of practical modules in learning methods has a positive impact on students' learning motivation. This simply did not have a significant impact on the team's expected achievement objectives, with only 6.9% achieving a score of 75.
Surface Modification of Carbon Nanotubes (Cnnts) as Electrode of Hybrid Energy Storage Device (Supercapacitor) Mutia Reza; Memik Dian Pusfitasari; Lusi Ernawati; Thalia Winda Sari; Ranti Kusuma Wardhani; Novi Sylvia; Inggit Kresna Maharsih
Journal of Renewable Energy, Electrical, and Computer Engineering Vol. 5 No. 1 (2025): March 2025
Publisher : Institute for Research and Community Service (LPPM), Universitas Malikussaleh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jreece.v5i1.20250

Abstract

Supercapacitors have an advantage in the form of a higher specific capacitance than conventional capacitors. This alternative is the right idea if it is used to solve the problem of using hybrid energy storage demand. This study aims to analyze the variation in the ratio between activator and carbon nanotubes (Cnnts) that function as electrodes. Electrodes are one of the constituent components of supercapacitors, so they are important to review. Electrodes in the form of Cnnts activated using H2SO4 and HNO3 were analyzed through SEM and FTIR characterization. The activation process produces mesoporous size on the electrode. The activation method is also able to form aromatic compounds that are important for heat stability and electrical conductivity.
Co-Authors Bangkit Gotama Fadhil Muhammad Tarmidzi Inggit Kresna Maharsih Lusi Ernawati Mutia Reza Novi Sylvia Ranti Kusuma Wardhani Riza Alviany Thalia Winda Sari