KF KFI
KFI

Vol. 22, No. 3, 2025

Terbit
08 September 2026
Artikel
10 artikel
ISSN
1412-2960
e-ISSN
2579-521X

Daftar Isi

  1. Biomass-derived activated carbon from acacia pods as a green electrode material for supercapacitors
    Nadja Melika Putri, Nursyafni Nursyafni, Apriwandi Apriwandi, Vira Friska, Pharada Kresna, Julnaidi Julnaidi, Muhammad Nasir, Minarni Shiddiq, Erwin Amiruddin, Awaludin Martin, Rika Taslim, Erman Taer
    Hlm. 221-226 10.31258/jkfi.22.3.221-226
  2. Effect of variations in current collectors types on the performance of supercapacitor cell carbon electrode from biomass stalk of curly chili
    Reny Hidayati, Awitdrus Awitdrus
    Hlm. 207-212 10.31258/jkfi.22.3.207-212
  3. Preparation and characterization of α-Fe2O3/TiO2 nanocomposite derived from Logas natural sand as photocatalyst for degradation of methylene blue
    Muhammad Deri Noferdi, Erwin Amiruddin
    Hlm. 185-190 10.31258/jkfi.22.3.185-190
  4. Physical properties and structure of glass medium QS-P2O5-CaO-BaO-Gd2O3/GdF3 doped Dy3+
    Maranata Sri Rejeki Simanjuntak, Elyzabeth Simanullang, Juniar Hutahaean, Zulkarnain Zulkarnain, Juniastel Rajagukguk
    Hlm. 241-248 10.31258/jkfi.22.3.241-248
  5. Design and electromagnetic simulation of rhombus-shaped split ring resonator metamaterials for telecommunication antenna applications
    Saktioto Saktioto, Yan Fatma Rizwan, Yan Soerbakti, Ari Sulistyo Rini, Syamsudhuha Syamsudhuha, Sofia Anita
    Hlm. 179-184 10.31258/jkfi.22.3.179-184
  6. Electromagnetic characterization of diamond-shaped metamaterial structures using a 4×4 array at ultra-wideband frequencies
    Defrianto Defrianto, Erwin Kurnia, Saktioto Saktioto, Tengku Emrinaldi, Feby Nur Sakinah, M Ikhsan, Yan Soerbakti
    Hlm. 213-220 10.31258/jkfi.22.3.213-220
  7. Effect of voltage variation on the performance of carbon electrode supercapacitor cell from saba banana bunch biomass
    Bintang Pamungkas, Awitdrus Awitdrus
    Hlm. 197-206 10.31258/jkfi.22.3.197-206
  8. Manufacturing of supercapacitor carbon electrodes based on a mixture of acacia bark and nutmeg leaf waste for environmentally friendly energy storage
    Titin Hartini, Novi Yanti, Erman Taer, Apriwandi Apriwandi, Vira Friska, Pharada Kresna, Julnaidi Julnaidi, Muhammad Nasir, Minarni Shiddiq, Erwin Amiruddin, Awaludin Martin, Rika Taslim
    Hlm. 227-232 10.31258/jkfi.22.3.227-232
  9. Physical and structure properties of QS-P2O5-CaO-BaO-Gd2O3/GdF3 glasses medium doped with europium (III)
    Adella Patrisia Lubis, Elyzabeth Simanullang, Jonny H Panggabean, Juniar Hutahaean, Howard Situmorang, Zulkarnain Zulkarnain, Juniastel Rajagukguk
    Hlm. 233-240 10.31258/jkfi.22.3.233-240
  10. Illegal logging detection technology based on sound pressure level in mangrove forests in Meranti Islands Regency
    Nurfi Hikma, Murazhaki Hendri, Deco Amanahsyah Sutardi, Ahsanul Maarif Aresty
    Hlm. 191-196 10.31258/jkfi.22.3.191-196