1. Z. H-Y, Pei B. and dongwing J.U, J. Environmental sciences supplement, s88-s91 (2009)
2. Ding W. J. Science press (2007)
3. Kaisheva A., protable and emergency energy source-from materials to systems, 16-22 (2005)
4. Chen L., et al, Chin. Sci. Bull, 1936-1941 (2014)
5. Sathyanarayna S. and Ratnakumar B.V., J. Power Sources, 10, 243-261 (1983)