Corrigendum to 'Physicochemical and electrochemical behaviours of manganese oxide electrodes for supercapacitor application' [Journal of Energy Storage, 28 (2020) 101228 - 101234]. (May 2021) - devi, Nitika; Goswami, Manoj; Saraf, Mohit; Singh, Bhupendra; Mobin, Shaikh M.; Singh, Rajesh Kumar; Srivastava, A. K.; Kumar, Surender