Incorporating Ionic Liquid 1-Ethyl-3-Methylimidazolium Bromide Into PVA-LiAc–Based Solid Polymer Electrolytes to Achieve Advanced Solid-State Lithium-Ion Batteries
Endah Purwanti
Inorganic and Physical Chemistry Research Groups, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, Indonesia
Department of Environmental Engineering, Faculty of Engineering, Universitas Singaperbangsa Karawang, Karawang, Indonesia
Contribution: Data curation (equal), Formal analysis (equal), Investigation (equal), Methodology (equal), Software (equal), Writing - original draft (equal), Writing - review & editing (equal)
Search for more papers by this authorDeana Wahyuningrum
Organic Research Groups, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, Indonesia
Contribution: Data curation (equal), Formal analysis (equal), Investigation (equal), Methodology (equal), Supervision (equal), Writing - review & editing (equal)
Search for more papers by this authorAchmad Rochliadi
Inorganic and Physical Chemistry Research Groups, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, Indonesia
Contribution: Data curation (equal), Formal analysis (equal), Investigation (equal), Supervision (equal), Writing - review & editing (equal)
Search for more papers by this authorSun Theo Constan Lotebulo Ndruru
Research Center for Chemistry, Research Organization for Nanotechnology and Materials, National Research and Innovation Agency (BRIN), Kawasan PUSPITEK Area Serpong, Tangerang Selatan, Banten, Indonesia
Contribution: Data curation (equal), Formal analysis (equal), Methodology (equal), Writing - review & editing (equal)
Search for more papers by this authorCorresponding Author
I Made Arcana
Inorganic and Physical Chemistry Research Groups, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, Indonesia
Correspondence:
I Made Arcana ([email protected])
Contribution: Conceptualization (equal), Data curation (equal), Formal analysis (equal), Methodology (equal), Resources (lead), Supervision (lead), Writing - review & editing (equal)
Search for more papers by this authorEndah Purwanti
Inorganic and Physical Chemistry Research Groups, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, Indonesia
Department of Environmental Engineering, Faculty of Engineering, Universitas Singaperbangsa Karawang, Karawang, Indonesia
Contribution: Data curation (equal), Formal analysis (equal), Investigation (equal), Methodology (equal), Software (equal), Writing - original draft (equal), Writing - review & editing (equal)
Search for more papers by this authorDeana Wahyuningrum
Organic Research Groups, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, Indonesia
Contribution: Data curation (equal), Formal analysis (equal), Investigation (equal), Methodology (equal), Supervision (equal), Writing - review & editing (equal)
Search for more papers by this authorAchmad Rochliadi
Inorganic and Physical Chemistry Research Groups, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, Indonesia
Contribution: Data curation (equal), Formal analysis (equal), Investigation (equal), Supervision (equal), Writing - review & editing (equal)
Search for more papers by this authorSun Theo Constan Lotebulo Ndruru
Research Center for Chemistry, Research Organization for Nanotechnology and Materials, National Research and Innovation Agency (BRIN), Kawasan PUSPITEK Area Serpong, Tangerang Selatan, Banten, Indonesia
Contribution: Data curation (equal), Formal analysis (equal), Methodology (equal), Writing - review & editing (equal)
Search for more papers by this authorCorresponding Author
I Made Arcana
Inorganic and Physical Chemistry Research Groups, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, Indonesia
Correspondence:
I Made Arcana ([email protected])
Contribution: Conceptualization (equal), Data curation (equal), Formal analysis (equal), Methodology (equal), Resources (lead), Supervision (lead), Writing - review & editing (equal)
Search for more papers by this authorFunding: This work was supported by the Indonesian Endowment Funds for Education (LPDP), Center for Higher Education Funding (BPPT, Balai Pembiayaan Pendidikan Tinggi), the Indonesian Education Scholarship (BPI) under the Ministry of Education, Culture, Research, and Technology, Republic of Indonesia, and supported by the Research Grant of PPMI-ITB, Research, Community Service, and Innovation of Institut Teknologi Bandung (ITB).
ABSTRACT
Solid polymer electrolytes (SPEs) serve as both separators and electrolytes, enhancing the safety of energy storage devices by eliminating liquid components. In this study, we present SPEs prepared from a blend of polyvinyl alcohol (PVA), lithium acetate (LiAc), and the ionic liquid 1-ethyl-3-methylimidazolium bromide ([EMIm]Br). This combination prevents leakage issues common with liquid electrolytes and addresses the low conductivity of typical solid electrolytes. The prepared SPEs are easy to produce, highly transparent, thermally stable up to 271°C, and exhibit high ionic conductivity, with values of 2.21 × 10−5 S cm−1 when 40% [EMIm]Br is added to the PVA/10% LiAc membrane. Additionally, this composition demonstrates a mechanical strength of 20.40 MPa and an elongation of 485.12%. These findings highlight the strong potential of [EMIm]Br–based SPEs for lithium-ion batteries.
Conflicts of Interest
The authors declare no conflicts of interest.
Open Research
Data Availability Statement
The data that support the findings of this study are available from the corresponding author upon reasonable request.
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