Accepted Manuscript Electrocatalytic reduction of oxygen on Co 3 O 4 : Effects of processing method Harsha P. Uskaikar, Nagaraj P. Shetti, Shweta J. Malode PII: S2589-2991(18)30025-9 DOI: https://doi.org/10.1016/j.mset.2018.06.006 Reference: MSET 16 To appear in: Materials Science for Energy Technologies Received Date: 4 May 2018 Revised Date: 27 June 2018 Accepted Date: 27 June 2018 Please cite this article as: H.P. Uskaikar, N.P. Shetti, S.J. Malode, Electrocatalytic reduction of oxygen on Co 3 O 4 : Effects of processing method, Materials Science for Energy Technologies (2018), doi: https://doi.org/10.1016/ j.mset.2018.06.006 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.