1. World Energy Outlook 2017;International Energy Agency,2017
2. Renewable Energy Capacity Statistics 2019;International Renewable Energy Agency,2019
3. Storing Energy with Special Reference to Renewable Energy Sources;Letcher,2016
4. Electrical energy storage for the grid: a battery of choices;Dunn;Science,2011
5. Lithium-ion Batteries : Science and Technologies;Yoshio,2009