Optimization of Silicon Extraction from Tanjung Tiram Asahan Natural Sand through Magnesiothermic Reduction

oleh Andriayani, Andriayani, L. Raja, Saur, Sihotang, Herlince, Sofyan, Nofrijon; Department of Metallurgical and Materials Engineering
Terbitan: Universitas Indonesia, 2015

The Characteristics of LiFePO4/Copper Nanoparticles/Carbon Nanotubes Composites Used as Lithium Ion Battery Cathode

oleh Sofyan, Nofrijon; Department of Metallurgical and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424 Indonesia, Sari, Ratna Permata; Department of Metallurgical and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424 Indonesia, Zulfia, Anne; Department of Metallurgical and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424 Indonesia, Kartini, Evvy; National Nuclear Energy Agencies (BATAN), Kawasan PUSPITEK, Serpong, Indonesia
Terbitan: International Journal on Advanced Science, Engineering and Information Technology, 2018

Characteristics of Vanadium Doped And Bamboo Activated Carbon Coated LiFePO4 And Its Performance For Lithium Ion Battery Cathode

oleh Sofyan, Nofrijon; Department of Metallurgical and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia Tropical Renewable Energy Center, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia, Alfaruq, Subkhan; Department of Metallurgical and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia, Zulfia, Anne; Department of Metallurgical and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia Tropical Renewable Energy Center, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia, Subhan, Achmad; Research Center for Physics - LIPI, PUSPITEK, Tangerang, Banten 15310, Indonesia
Terbitan: Balai Besar Kimia dan Kemasan, 2018

Visible Light Absorption and Photo-Sensitizing Characteristics of Natural Dye Extracted from Mangosteen Pericarps Using Different Solvents

oleh Sofyan, Nofrijon; Department of Metallurgical and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424 Indonesia, Ridhova, Aga; Department of Metallurgical and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424 Indonesia, Pramono, Kalisha R.O.; Department of Metallurgical and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424 Indonesia, Yuwono, Akhmad H.; Department of Metallurgical and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424 Indonesia, Udhiarto, Arief; Department of Electrical Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424 Indonesia
Terbitan: International Journal on Advanced Science, Engineering and Information Technology, 2018