1. (1) P. Breeze: Power System Energy Storage Technologies, Academic Press, Chap. 4 (2018)
2. (2) N. Sato: “Development Trends and Technological Issues of Rechargeable Batteries for Vehicle Use”, ESPEC Technology Report, No. 76.
3. (3) B. Battuvshin, B. Turmandakh, J. H. Park, and D. Bayasgalan: “The Study on Development of PV-ES hybrid system for Mongolian Household”, Transactions of the KIEE, Vol. 66, No. 12, pp. 1905-1912 (2017)
4. (4) N. M. Johnson: Alternative Fuels and Advanced Vehicle Technologies for Improved Environmental Performance, Woodhead Publishing, Chap. 19 (2014)
5. (5) O. S. Burheim: Engineering Energy Storage, Academic Press, Chap. 7 (2017)