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Dian Permana
Universitas Sembilanbelas November Kolaka
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Journal : Makara Journal of Science

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Synthesis and Characterization of Chitosan-Polyvinyl Alcohol-Fe2O3 Composite Membrane for DMFC Application Permana, Dian; Ilimu, Edi; Faariu, Nur Mala; Setyawati, Arini; Kadidae, La Ode; Ramadhan, L.O.A.N.
Makara Journal of Science Vol. 24, No. 1
Publisher : UI Scholars Hub

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Abstract

This study investigates the utilization of different compositions of Fe2O3 and polyvinyl alcohol (PVA) to modify chitosan in order to prepare a composite membrane. The membranes were synthesized using the phase inversion method and extensively characterized by Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), mechanical properties analysis, and water uptake analysis, whereby SEM was used to confirm the morphology of the composite membranes. Different electrochemical properties such as ion exchange capacity, proton conductivity, and methanol permeability of these membranes were also measured. The results showed that increasing the PVA mass improved the water uptake, ion exchange capacity (IEC), and proton conductivity because the PVA addition increased the hydrophilicity of the membrane; thus, the pore surface on the membrane was more open, which also caused higher membrane permeability. However, the methanol permeability values of all composite membranes were lower than that of Nafion. The highest IEC and proton conductivity were obtained for the CS-PVA-H3070 membrane, with values of 4.300 meq/g and 6.71 × 10−2 S·cm−1, respectively. The mechanical strength of these membranes showed that the PVA addition increased the elongation break and decreased the tensile strength of the membrane. The results imply that the chitosan membrane modified with PVA and Fe¬2O3 has a potential for DMFC applications.
Co-Authors Adewia, Radiatul Agus Nasir, Agus Agusriyadin, Agusriyadin Ahmad Iskandar Alif, Alfiah Alimuddin Alimuddin Anasrudin Anasrudin Andas, Netty Huzniati Andi Melda Amelia Amir Andika Andika Andriani, Indri Anisa Fitriani Ansar Arif Prasetya Arviani Arviani Asani, Nur Lina Putri Ashari Arifin Asni Asni Asrul Awal, Samsi Ayu Kusumawati Ayu Rahayu Azzajjad, Muhammad Fath Budirman Giawa Desy Siadari Dewi Satria Ahmar Edi Edi Ilimu Edi Ilimu Eka Putra Ramdhani Elda Tendri Uke Erfna, Erfna Ernawati Faariu, Nur Mala Fajri*, Rahmatul Faradisa Anindita Ferdiansyah Ferdiansyah Hairul Anam Hamsiani Hamsiani Hariati Hariati Hasriani Said Hatijah Hatijah Hendry Gustiawan Herawati Herawati Hikma Jaya, Andi Husin Husin, Husin Ida Ayu Putu Sri Widnyani Ilda Rahmadani Ilimu, Edi Intan Safitri Irawan, Rifal Ishak Ishak Israwati Israwati Ivana Kedang, Yohana Jofrishal Jofrishal Julfikar Kamur, Sudarwin Karelius, Karelius Karnelasatri Kedang, Yohana Ivana Khadijah Bin Yusran La Harimu La Na’ani La Ode Kadidae, La Ode Laode A. Kadir Laode Kadir Lukman Atmaja Lusia Naimnule M. H Azis Mansyur Mansyur Mansyur Mansyur Maria Magdalena Marlina Saputri Nur Marniati Marniati, Marniati Masni Megawati, Megawati Mirna Mirna Muh. Alhafiz Muhamad Fikram Muhamad Jalil Baari Muhamad Nur Fatahil Alim Musadia Afa Musdalifah Musdalifah Musdalifatul Adewia Muslimah Muslimah Musnajam Musnajam Musnajam, Musnajam MUTMAINAH Nasrudin Nasrudin Nugroho, Dwi Kristiana Nur Aisya Nurdin Nurdin Nurfadillah Nursamsir Oktoria, Pegi Presson, Jefry Priyatmo, Yudi Puput Elsa Anawula Ramadhan, L.O.A.N. Retno Rahayu Dinararum Riska Riska Ristina Ristina Rizky Kumalasari Rosdiana Rosdiana Rosti Rosti Ruslin Hadanu Rusni S. Musiam Salim Salim Sarimuddin, Sarimuddin Selma Selma Septian Dwi Cahyo Setyawati, Arini Soeriknan Soeriknan Soniya Soniya Suharini, Sri Endang Surya Ningsih Surya Ningsih Syahrir Syamsul Arifin Syawaluddin Syawaluddin T Azis Tan, Siow-Ping THAMRIN AZIS Uga Gentanium V. A. Fabiani Virna Yunita Wahab Wahab Yahyanto Yahyanto Yohana Ivana Kedang Yonathan Saputra Salu Yulida Amri Zulman Zulman