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All Journal Otopro Riwayat: Educational Journal of History and Humanities
Sari, Nurlia
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Humanities Automotive Engineering Education Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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DOPING GRAPHENE OKSIDA MENGGUNAKAN BORIC ACID (H2BO3) UNTUK MENINGKATKAN KINERJA COIN CELL SUPERKAPASITOR Sari, Nurlia; Ganda, Andita
Otopro Vol 16, No 1 (2020)
Publisher : Jurusan Teknik Mesin Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/otopro.v16n1.p7-11

Abstract

Boron doped in graphene oxide is a convincing method for modifying the properties of electrons in supercapacitors. In this study, we compared the performance of graphene electrode supercapacitor coin cells and boron-doped graphene. Graphene oxide was made by the modified Hummers method, followed by the boron-doped process by adding boric acid chemicals then continued with the pyrolysis process in the argon and hydrogen atmosphere at high temperatures. The precursors then used as electrodes (anodes and cathodes) in supercapacitor coin cells. The results show that the addition of boron dopants to graphene results in lower electrolyte absorption at the beginning of the test, causing the specific capacity at the beginning tends to be low but more stable, whereas at the end of the test the specific capacity of boron dopants tends to be higher than graphene without dopants. The addition of Boron Dopants to Graphene is effective in its application in supercapacitor coin cells making it promising in future energy storage needs.
Analisis Tafsir Al-Quran Surah An-Nisa Ayat 171 dalam Mencegah Radikalisme melalui Medsos Studi pada Channel Youtube Ustadz Adi Hidayat Sari, Nurlia; Monang, Sori
Riwayat: Educational Journal of History and Humanities Vol 8, No 3 (2025): July, Social Studies, Educational Research and Humanities Research.
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jr.v8i3.48243

Abstract

Religious radicalism is a serious challenge faced by Indonesian society, especially in the digital era when social media has become a massive and rapid means for the spread of extremist ideologies. One of the main factors contributing to the spread of radicalism is a narrow and literal understanding of religion, often neglecting historical and social contexts. This study aims to analyze the interpretation of Surah An-Nisa verse 171 as an effort to prevent radicalism through social media, focusing on Ustadz Adi Hidayats YouTube channel. This research employs a qualitative method with a case study approach, where primary data is obtained from Ustadz Adi Hidayats YouTube content discussing Surah An-Nisa verse 171 and radicalism issues, supported by secondary data from classical and contemporary tafsir literature and previous studies. The results show that Ustadz Adi Hidayat emphasizes the importance of wasathiyah (moderation) in religious practice, rejects ghuluw (excessiveness), and encourages Muslims to understand religious teachings contextually and rationally. Through systematic and interactive delivery on social media, his dawah effectively builds moderate religious literacy and prevents the spread of radical ideologies, especially among the younger generation. This study recommends strengthening moderate tafsir literacy in digital spaces as a preventive strategy against religious radicalism.
Co-Authors Ganda, Andita Monang, Sori