Ruchi Rani Singhal Walls, H. J., Riley, M. W., Singhal, R. R., Spontak, R. J., Fedkiw, P. S., & Khan, S. A. (2003). Nanocomposite electrolytes with fumed silica and hectorite clay networks: Passive versus active fillers. ADVANCED FUNCTIONAL MATERIALS, 13(9), 710–717. https://doi.org/10.1002/adfm.200304333