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All Journal Jurnal Sains Materi Indonesia
Rohib, Rohib
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Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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The Effect of Ionic Liquid and Lithium Salt Electrolyte Addition on The Characteristics of Polyvinyl Alcohol/Chitosan-Based Membranes Handika, Rudi Satya; Ratri, Christin Rina; Rohib, Rohib; Nugraha, Adam Febriyanto
Jurnal Sains Materi Indonesia Vol. 26 No. 2 (2025): Jurnal Sains dan Materi Indonesia
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jsmi.2025.5011

Abstract

The development of an environmentally friendly polymer electrolyte membrane for lithium-ion batteries is essential. A composite membrane composed of chitosan and polyvinyl alcohol (PVA) is one of the eco-friendly polymer membrane types used for lithium-ion battery electrolyte. This study examined the effect of ionic liquid 1-hexyl-3-methylimidazolium iodide (HMII) and lithium bis(oxalate) borate (LiBOB) electrolyte addition on the characteristics of composite membranes made of chitosan and PVA. The results reveal that the addition of LiBOB and HMII was able to promote the agglomerations and the formation of microcrystals, which increased the mechanical properties and ionic conductivities of the membranes. The membrane sample with LiBOB composition of 25% produced the highest mechanical properties with tensile strength of 21.11 MPa and elastic modulus of 1.93 MPa. The membrane sample with LiBOB composition of 10% without the addition of HMII produced the highest ionic conductivity, namely 5.17 x 10-6 S/cm.
Co-Authors Adam Febriyanto Nugraha Christin Rina Ratri, Christin Rina Handika, Rudi Satya