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All Journal Jurnal Serambi Engineering Rambideun : Jurnal Pengabdian Kepada Masyarakat
Saisa Saisa
Universitas Serambi Mekkah
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Public Health Social Sciences

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Proses Pembuatan Nanomaterial Elektroda Baterai Lithium Dari Pasir Besi Alami Magnetik Fe3O4 Didoping PVDF Maulinda Maulinda; T. Muhammad Zulfikar; Saisa Saisa
Jurnal Serambi Engineering Vol 7, No 3 (2022): Juli 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i3.4495

Abstract

Lithium battery is a portable battery which has the advantages of long cycle life and high energy density. The improvement of electrode quality performance can be done by adding a binder to maintain the physical structure of the electrode, namely Fe3O4 magnetic nanoparticles whose electrical conductivity has been increased by the addition of PVDF. Then the Fe3O4 /PVDF compound doping process was carried out using the sol-gel method (10:10, 10:20 and 10:30 ratios). This study aims to determine the best comparison of the addition of PVDF as an electrode binding material capable of binding magnetic nanoparticles (Fe3O4) observed with XRF, XRD, SEM and Electrical analysis of materials using LC-Meter. The results of the best Fe3O4 magnetic chemical composition based on XRF characterization showed a very high number, namely 87.10%. The value of the electrical analysis of Fe3O4 nanoparticles with the addition of a PVDF electrode binding matrix shows the best electrical conductivity treatment results are obtained by adding a PVDF electrode binding material ratio of 10:30, the greater the addition of PVDF, the higher the capacitance and inductance values, while the smaller the resistance value. indicates that the value of the conductivity or electrical conductivity of the Fe3O4 /PVDF material is getting higher.
MANAJEMEN KUALITAS MEDIA AIR BUDIDAYA IKAN LELE DENGAN METODE BIOFLOK PADA KOLAM TERPAL saisa saisa; Vera Viena; Tengku Mia Rahmiati; Mujiburrahman Mujiburrahman
RAMBIDEUN : Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 3 (2021): Rambideun: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM Universitas Al Muslim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51179/pkm.v4i3.641

Abstract

Intensive catfish farming can cause a decrease in the water quality of the culture media, including decreasing dissolved oxygen content and increasing waste content, especially organic nitrogen. The application of Biofloc technology was carried out by the Young Independent Fish Cultivator Group (Pokdakan) with the aim of managing catfish farming activities in Lam Ara Village, Banda Raya District, Banda Aceh City using Biofloc on cultivation media. The purpose of this study was to compare the growth of catfish reared using Biofloc and non-Biofloc culture media. The test animals used in this study were catfish with Sangkuriang variety (Clarias gariepinus) measuring 7-8 cm as many as 2,000 fish in 8 different containers. Observations were made on the day of stocking until harvesting. The growth parameters observed were the length and weight of the fish. The environmental parameters observed were water temperature, dissolved oxygen, and pH. The results showed that there were differences in the increase in length and body weight of catfish in the cultivation media of Biofloc and non-Biofloc applications. The results of this study indicate that the application of the biofloc method can increase the productivity of tarpaulin ponds. The rearing media that applied the Biofloc technique showed better and relatively ideal conditions for catfish cultivation.
Co-Authors Maulinda Maulinda Mujiburrahman Mujiburrahman T. Muhammad Zulfikar Tengku Mia Rahmiati Vera Viena