Al2O3-incorporated proton-conducting solid polymer electrolytes for electrochemical devices: a proficient method to achieve high electrochemical performance

A new series of proton-conducting solid polymer electrolytes with different compositions, comprising polyvinylpyrrolidone (PVP K40 ) and polymethylmethacrylate (PMMA) as host polymers, methanesulfonic acid (MSA) as a proton-conducting salt, and alumina (Al 2 O 3 ) as the nanofiller, were prepared us...

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Bibliographic Details
Published in:Ionics 2019-11, Vol.25 (11), p.5117-5129
Main Authors: Regu, T., Ambika, C., Karuppasamy, K., Jeon, Ji-Hoon, Jeong, Yen-Tae, Vikraman, Dhanasekaran, Raj, T. Ajith Bosco, Kim, Hyun-Seok
Format: Article
Language:English
Subjects:
Aluminum oxide
Chemistry
Chemistry and Materials Science
Condensed Matter Physics
Conducting polymers
Electrical properties
Electrical resistivity
Electrochemical analysis
Electrochemistry
Electrolytes
Energy Storage
Flux density
Methanesulfonic acid
Molten salt electrolytes
Optical and Electronic Materials
Original Paper
Polymers
Polymethyl methacrylate
Polyvinylpyrrolidone
Protons
Renewable and Green Energy
Room temperature
Solid electrolytes
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Summary:A new series of proton-conducting solid polymer electrolytes with different compositions, comprising polyvinylpyrrolidone (PVP K40 ) and polymethylmethacrylate (PMMA) as host polymers, methanesulfonic acid (MSA) as a proton-conducting salt, and alumina (Al 2 O 3 ) as the nanofiller, were prepared using solution casting. High proton-conducting samples were identified and utilized for the construction of primary proton batteries. The electrical properties of the prepared electrolytes were investigated through AC impedance analysis. The highest proton conductivity (2.51 × 10 −5  S/cm) was achieved at room temperature by PMMA-PVP K40 -MSA-based blended polymer electrolytes (BS3). The discharge characteristics of filler-dispersed solid polymer electrolytes were better than those of other solid polymer electrolytes. The estimated energy density of the constructed proton battery using solid polymer electrolytes with blended polymers and nanofillers was 0.66 and 3.25 Wh kg −1 , respectively.
ISSN:0947-7047
1862-0760
DOI:10.1007/s11581-019-03075-5