Karakterisasi Sifat Separator Komposit PVDF/Poli (Dimetil Silokosan) Dengan Metode Pencampuran Membran (Blending Membrane)

Devi Eka Septiyani Arifin, Devi Eka Septiyani (2014) Karakterisasi Sifat Separator Komposit PVDF/Poli (Dimetil Silokosan) Dengan Metode Pencampuran Membran (Blending Membrane). Other thesis, Insititut Teknologi Sepuluh Nopember.

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Abstract

Penelitian ini bertujuan membuat bahan separator komposit poli(vinilidene flouride) (PVDF) dan poli(dimetilsiloksan) (PDMS) dengan metode pencampuran membran (blending membrane). Perbandingan variasi komposisi PVDF/PDMS yaitu 10:0, 9:1, 8:2, dan 7:3. Tujuan dari peningkatan fraksi konsentrasi dari PDMS terhadap PVDF untuk meningkatkan performa separator komposit yang meliputi dimensi porositas, kerapatan pori, dan konduktivitas listriknya. Berdasarkan analisa kristalografi dengan menggunakan XRD, peningkatan konsentrasi PDMS mengakibatkan menurunnya derajat kristalinitas yaitu sebesar 29,26% pada perbandingan 7:3 dan berdasarkan interpretasi data FTIR material tersebut termasuk kedalam kriteria bahan komposit karena kedua fasa dari bahan masih bisa dibedakan bilangan gelombang vibrasi molekuler masing-masing bahan penyusunnya. Hasil analisa XRD fasa kristalin PVDF termasuk kriteria jenis fasa α-PVDF. Semakin tinggi konsentrasi PDMS mengakibatkan penurunan dimensi porositas dan meningkatkan kerapatan porositas nya, dengan dimensi pori terkecil sebesar 1,71 μm dan kerapatan pori sebesar 4,07x1011 count/m2 pada perbandingan 7:3. Pada perbandingan komposisi 7:3 mempunyai nilai konduktivitas listrik sebesar 3,45 x 10-4 S/cm dan resistansi meningkat hingga 80% pada penambahan PDMS. Berdasarkan kriteria diatas, material ini dapat dikategorikan sebagai bahan separator pada baterai ion lithium.
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This research aims to create a composite poly(vinylidene fluoride) (PVDF) and poly (dimetilsiloksan) (PDMS) separator with blending membrane method. Ratio of composition of PVDF/PDMS were 10:0, 9:1, 8:2, and 7:3. The purpose of increasing concentration of PDMS to PVDF to improve the performance of the composite separator which includes the dimensions of porosity, pore density, and electrical conductivity. Based on crystallographic analysis using XRD, the adoption concentration of PDMS resulted in a decreased crystallinity reached 29.26% in the ratio 7:3 and based on FTIR data, the material includes in the criteria composite material because both phase of the material can still be distinguished molecular vibrational wavenumber respectively their constituent materials. The results of XRD analysis PVDF crystalline phases was α-PVDF type. The adoption concentration of PDMS not only decreases pore dimensions but also increases the pore density, with the smallest pore dimensions was 1.71 μm and pore density was 4.07 x1011 count/m2 in the ratio 7:3. In the ratio of composition 7:3, the value of the electrical conductivity was 3.45x10-4 S/cm and the resistance increases up to 80% on the adoption of PDMS. Based on the above criteria, this material can be categorized as a separator material in lithium ion batteries.

Item Type:	Thesis (Other)
Additional Information:	RSFi 620.118 Ari k
Uncontrolled Keywords:	komposit, konduktivitas, pori, PVDF/PDMS, resistansi, dan separator, composites, pore, resistance and conductivity
Subjects:	T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL240.5 Composite materials
Divisions:	Faculty of Mathematics and Science > Physics > 45201-(S1) Undergraduate Thesis
Depositing User:	Mr. Marsudiyana -
Date Deposited:	23 Nov 2023 07:35
Last Modified:	23 Nov 2023 07:35
URI:	http://repository.its.ac.id/id/eprint/105198

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