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SYNTHESIS, CHARACTERIZATION AND ION TRANSPORT PROPERTIES OF hot-pressED SOLID POLYMER ELECTROLYTES (1-x) PEO:x KI

Chinese Journal of Polymer Science 2013年第2期31卷 302-308页

作者： Angesh Chandra Archana Chandra K. Thakur Department of Applied Physics Shri Shankaracharya Institute of Prof. Manag. & Tech.Raipur 492015 C.G. India Department of Applied Chemistry Raipur Institute of TechnologyRaipur 492101 C.G. India

Synthesis and ion transport properties of hot-pressed solid polymer electrolytes （SPEs）, （l-x） PEO： x KI, where x is the content of KI in wt%, are reported. A hot-press technique has been used for the formation of the polymeric membranes in place of the usual solution cast method. The composition （80 PEO：20 KI） was identified as the highest conducting polymer electrolyte on the basis of compositional dependent conductivity studies of PEO：KI films. A conductivity enhancement of more than two orders of magnitude from that of the pure PEO was achieved. Materials characterization and ion transport mechanism were explained by using various experimental techniques.

关键词： Solid polymer electrolyte hot-press technique Ionic conductivity Ionic mobility XRD Polymeric battery.

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Mg2＋-ion Conducting Polymer Electrolytes： Materials Characterization and All-Solid-State Battery Performance Studies

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Journal of Physical Science and Application 2013年第1期3卷 9-17页

作者： Rakesh Chandra Agrawal Dinesh Kumar Sahu Solid State lonics Research Laboratory SOS in Physics and Astrophysics Pt. Ravishankar Shukla University Raipur 492010India Rungta Engineering College Raipur 492001 India

For All-Solid-State battery applications, Mg2＋-ion conducting polymer electrolytes and Mg-metal electrode are currently considered as alternate choices in place of Li＋-ion conducting polymer electrolytes/Li-metal electrode. Present paper reports fabrication of All-Solid-State battery based on the following Mg2＋-ion conducting nano composite polymer electrolyte （NCPE） films： [85PEO： 15Mg（C104）2] ＋ 5% TiO2 （〈 100 nm）, [85PEO： 15Mg（CIO4）2] ＋ 3% SiO2（-8 nm）. [85PEO： 15Mg（CIO4）2] ＋ 3% MgO （〈 100 nm）, [85PEO：15Mg（C1O4）2] ＋ 3% MgO （-44 μm）. NCPE films were prepared by hot-press technique. Solid Polymer Electrolyte （SPE） composition： [85PEO： 15Mg（CIO4）2], identified as high conducting film at room temperature, has been used as ISt--phase host and nano/micro particles of active （MgO）/passive （SiO2, TiO2） fillers as IInd-phase dispersoid. Filler particle dependent conductivity studies identified above mentioned NCPE films as optimum conducting composition （OCC） at room temperature. Ion transport behavior of SPE/NCPE film materials was investigated previously. Present paper reports materials characterization and cell performance studies on All-Solid-State batteries： Mg （Anode） Ⅱ SPE or NCPE films tt C＋MnO2＋Electrolyte （Cathode）. Open circuit voltage （OCV） obtained was in the range： 1.79-1.92 V. The batteries were discharged at room temperature under different load conditions and some important battery parameters have been evaluated from plateau region of cell-potential discharge profiles. All the batteries performed quite satisfactorily specially under low current drain states.

关键词： Solid polymer electrolyte (SPE) nano composite polymer electrolyte (NCPE) hot-press technique all-solid-state batteries.

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