Mylarappa M, Kantharaju S. Electrochemical Properties of MnO2 Nanoparticle Obtained from Waste Battery Powder by Reductive Acid Leaching Method. NUPSR-V5 [Internet]. 2021 May 26 [cited 2024 May 5];:23-35. Available from: https://stm.bookpi.org/NUPSR-V5/article/view/1397