Ditemukan 4 dokumen yang sesuai dengan query
Nofrijon Sofyan, author
Vanadium-doped LiFePO4/C
used as a cathode for a lithium ion battery has been successfully synthesized.
In this work, LiFePO4 was synthesized from LiOH, NH4H2PO4,
and FeSO4.7H2O at a stoichiometric amount. Vanadium was added in the
form of H4NO3V at concentration variations and 3 wt.%
carbon black. The characterization includes thermal analysis, X-ray
diffraction, electron microscopy, and...
2016
J-Pdf
Artikel Jurnal Universitas Indonesia Library
Nofrijon Sofyan, author
Platinum is the most effective counter electrode for use in dye-sensitized solar cells (DSSC). However, as platinum is very expensive, its price impedes its broad use as a DSSC counter electrode. As an alternative, carbon has been used for this purpose. In this study, carbon has been successfully pyrolyzed from...
Depok: Faculty of Engineering, Universitas Indonesia, 2018
UI-IJTECH 9:2 (2018)
Artikel Jurnal Universitas Indonesia Library
Nofrijon Sofyan, author
Vanadium-doped LiFePO4/C used as a cathode for a lithium ion battery has been successfully synthesized. In this work, LiFePO4 was synthesized from LiOH, NH4H2PO4, and FeSO4.7H2O at a stoichiometric amount. Vanadium was added in the form of H4NO3V at concentration variations and 3 wt.% carbon black. The characterization includes thermal...
Depok: Faculty of Engineering, Universitas Indonesia, 2017
UI-IJTECH 7:8 (2016)
Artikel Jurnal Universitas Indonesia Library
Nofrijon Sofyan, author
Faced with ever-shrinking reserves of fossil-based energy, in addition to the damaging impacts of the use of fossil-based energy sources, such as the greenhouse effect and global warming, efforts are needed to find energy alternatives. Currently under development as an alternative source of renewable energy, utilizing solar energy as its...
Depok: Faculty of Engineering, Universitas Indonesia, 2017
UI-IJTECH 8:7 (2017)
Artikel Jurnal Universitas Indonesia Library
