Mee  Yoke Chong, Arshid  Numan, YCY  Evyan, WH  Cheng, LS  Wong, K.  Ramesh, S.  Ramesh, 
    Role of Ionic Liquid and Tin (IV) Oxide Nanoparticles on the Ionic
Conductivity of Biodegradable Solid Polymer Electrolyte,
    Journal of Engineering and Applied Sciences,
    Volume 13,Issue 23,
    2018,
    Pages 9807-9812,
    ISSN 1816-949x,
    jeasci.2018.9807.9812,
    (https://makhillpublications.co/view-article.php?doi=jeasci.2018.9807.9812)
    Abstract: Solution casting technique is used to prepare solid polymer electrolyte (SPE) utilizing biodegradable hydroxyethyl cellulose (HEC) as host polymer and magnesium trifluoromethanesulfonate (MgTf<sub>2</sub>) salt as charge carrier. However, the performance of the SPE is hindered by it&#39;s low ionic conductivity at room temperature. Thus, room temperature ionic liquid, 1-ethyl-3-methylimidazolium trifluoromethane sulfonate (EMIMTf) and tin (IV) oxide (SnO<sub>2</sub>) nanoparticles have been added into the SPE to overcome the shortcomings. As a result, the room temperature ionic conductivity improved to 9.28H10<sup>-5</sup> and 2.84H10<sup>-4</sup> S/cm upon addition of 40 wt.% EMIMTf ionic liquid and 2 wt.% of SnO<sub>2</sub> nanoparticles, respectively. The conductivity-temperature plot shows that the transportation of ions in these films obey Arrhenius theory. The improvement of the ionic conductivity at room temperature for HSn2 makes it attractive for application to electrochemical devices.
    Keywords: Hydroxylethyl cellulose;ionic liquids;nanoparticles;solid polymer electrolyte;energy storagedevice;electrochemical