Rifqi, Muhamad Abiyyu (2025) Fabrikasi Membran Komposit Berbasis Kitosan Dengan Filler Graphene Oxide Untuk Aplikasi Direct Methanol Fuel Cell (DMFC). Bachelor thesis, Institut Teknologi Kalimantan.
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Abstract
Membran elektrolit merupakan komponen penting dalam sebuah sistem DMFC yang memilki fungsi utama sebagai konduktor proton dan jembatan antara katoda dan anoda. Dalam pengaplikasiannya, membran harus memiliki kemampuan untuk menghalang metanol terserap dan konduktivitas proton yang tinggi. Pengembangan membran komposit banyak dikembangkan untuk menemukan membran yang memiliki kemampuan optimal dan harga yang relatif murah. Penggunaan komposit polimer alami seperti kitosan yang kemudian dipadukan dengan penambahan bahan pengisi seperti Graphene Oxide (GO) dinilai dapat mengatasi permasalahan tersebut. Penelitian kali ini bertujuan untuk mensintesis membran kitosan-GO dengan crosslink agent tripolifospat untuk mengetahui kemampuan membran kitosan-GO dalam aplikasi DMFC dengan variasi GO (0.5%, 0.10%, 0.15%). Hasil menunjukkan bahwa seiring penambahan GO kemampuan membran dalam menghalang metanol semakin menurun mencapai nilai sebesar 33%, menandakan membran dapat mengurangi crossover methanol. Penyerapan air dalam membran semakin meningkat seiring penambahan konsentrasi GO dengan nilai sebesar 81.87%, hasil ini dapat menguntungkan karena air yang terserap akan menjadi tempat untuk pertukaran ion dan transportasi proton sehingga akan menaikkan nilai IEC dan konduktivitas proton.
| Item Type: | Thesis (Bachelor) |
|---|---|
| Subjects: | L Education > L Education (General) Q Science > Q Science (General) T Technology > T Technology (General) |
| Divisions: | Jurusan Ilmu Kebumian dan Lingkungan > Teknik Material dan Metalurgi |
| Depositing User: | Muhamad Abiyyu Rifqi |
| Date Deposited: | 14 Jul 2025 05:29 |
| Last Modified: | 14 Jul 2025 05:29 |
| URI: | http://repository.itk.ac.id/id/eprint/24428 |
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