Journal Pre-proofs Nickel nanoparticles decorated on carbon quantum dots as a novel non-plati- num catalyst for methanol oxidation; a green, low-cost, electrochemically- synthesized electrocatalyst Hakimeh Javan, Elnaz Asghari, Habib Ashassi-Sorkhabi, Masoumeh moradi- haghighi PII: S0009-2509(20)30066-X DOI: https://doi.org/10.1016/j.ces.2020.115534 Reference: CES 115534 To appear in: Chemical Engineering Science Received Date: 7 December 2019 Revised Date: 12 January 2020 Accepted Date: 1 February 2020 Please cite this article as: H. Javan, E. Asghari, H. Ashassi-Sorkhabi, M. moradi- haghighi, Nickel nanoparticles decorated on carbon quantum dots as a novel non-platinum catalyst for methanol oxidation; a green, low-cost, electrochemically-synthesized electrocatalyst, Chemical Engineering Science (2020), doi: https://doi.org/ 10.1016/j.ces.2020.115534 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. 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. © 2020 Published by Elsevier Ltd.