Polypropylene as an innovative substitute for jar material of horizontal axis, multi-jar ball milling machine to grind electrode materials for energy storage devicesSourabh Shinde, Taukir Momin, Vispi Karkaria and Parshuram KarandikarE3S Web Conf., 309 (2021) 01098DOI: https://doi.org/10.1051/e3sconf/202130901098