L. Fei, Hai, and Cao Yang. “Synthesis of Mn3O4 Microflowers Anode Material for Lithium-Ion Batteries With Enhanced Performance”. Journal of Materials Science Research and Reviews 1, no. 1 (August 24, 2018): 1-10. Accessed June 5, 2020. http://journaljmsrr.com/index.php/JMSRR/article/view/13137.