Karakteristik Membran sPEEK-Kitosan dengan Bahan Pengisi Silika-carbon nanotube untuk Sel Bahan Bakar Metanol
Keywords:
DMFC, sPEEK, kitosan.Abstract
Sel bahan bakar metanol atau Direct methanol fuel cell (DMFC)
merupakan penyedia energi listrik yang berpotensi untuk
dikomersialkan. Membran Poli eter eter keton tersulfonasi (sPEEK)
yang memiliki memiliki stabilitas kimia dan mekanik yang baik serta
crossover metanol yang rendah terus dikembangkan agar layak
menjadi membran untuk DMFC. Penyilangan sPEEK dengan kitosan
(CS) dapat meningkatkan stabilitas dimensi membran. Pengisian
sPEEK-CS dengan silika yang dilapisi carbon nanotube (SCNTS)
ditujukan untuk meningkatkan karakteristik membran. Penelitian ini
bertujuan untuk mengkaji pengaruh muatan SCNTS dengan variasi
(0,3,6,9,12,15)% pada sPEEK-CS yang menggunakan rasio 80:20
terhadap sifat water uptake, swelling degree dan kapasitas penukar
ion. Hasil menunjukkan bahwa sifat membran sPEEK-CS/SCNTS
yang diuji dipengaruhi oleh banyaknya muatan SCNTS dalam
membran dan memiliki karakter yang lebih baik sebagai membran
DMFC.
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Copyright (c) 2019 Muhammad Zulfikar, Nur Hidayati, Muhammad Mujiburahman, Herry Purnama
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