Journal
SOLID STATE IONICS
Volume 321, Issue -, Pages 106-114Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ssi.2018.04.013
Keywords
Methanesulfonic acid; Plasticizer; Acid-base complexes; AC impedance; Proton battery; Cyclic voltammetry
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Funding
- Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Ministry of Trade, Industry & Energy (MOTIE) of the Republic of Korea [20174030201520]
- National Research Foundation of Korea (NRF) - Ministry of Education [2017R1D1A1A09000823]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20174030201520] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2017R1D1A1A09000823] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Proton-conducting polymer electrolyte systems (PVP-MSA), with polyvinylpyrrolidone as a host polymer and methanesulfonic acid as a proton donor, were prepared by a facile solution-cast technique. The effects of plasticizer, dimethyl carbonate, on the electrical and electrochemical properties of PVP-MSA complexes were plausibly investigated for the first time. The complexation behaviors of both plasticized and unplasticized polymer electrolyte systems were confirmed with the aid of Fourier transform infrared spectroscopy. The conductivity values were found to be enhanced due to the addition of DMC, and a maximum value of 3.27 x 10(-5) S/cm was achieved. The ionic transport number values were found to be in the range of 0.96-0.99. The discharge analysis suggested that the proton battery constructed with the plasticized polymer electrolyte showed better performance compared to that constructed with the unplasticized polymer electrolyte, which in turn means it could be utilized as a promising candidate for primary proton batteries.
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