Journal Pre-proof Insight into the catalytic performance of HER catalysis of noble metal/3D-G nanocomposites Sriram Kumar, Prasanta Kumar Sahoo, Ashis Kumar Satpati PII: S0013-4686(19)32339-4 DOI: https://doi.org/10.1016/j.electacta.2019.135467 Reference: EA 135467 To appear in: Electrochimica Acta Received Date: 18 October 2019 Revised Date: 6 December 2019 Accepted Date: 7 December 2019 Please cite this article as: S. Kumar, P.K. Sahoo, A.K. Satpati, Insight into the catalytic performance of HER catalysis of noble metal/3D-G nanocomposites, Electrochimica Acta (2020), doi: https:// doi.org/10.1016/j.electacta.2019.135467. 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. © 2019 Published by Elsevier Ltd.