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Catalysts
Volume 13
Issue 10
10.3390/catal13101322
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Article
Peer-Review Record

Development of Non-Spherical Platinum Nanoparticles on Carbon Supports for Oxygen Reduction Reaction

Catalysts 2023, 13(10), 1322; https://doi.org/10.3390/catal13101322
by Mark Lim 1, Mohmmad Khalid 2, Samaneh Shahgaldi 1,2 and Xianguo Li 1,*
Reviewer 1: Anonymous
Reviewer 2: Anonymous
Catalysts 2023, 13(10), 1322; https://doi.org/10.3390/catal13101322
Submission received: 30 August 2023 / Revised: 18 September 2023 / Accepted: 18 September 2023 / Published: 25 September 2023
(This article belongs to the Special Issue Noble Metal-Based Nanomaterials for Heterogeneous Catalysis)

Round 1

Reviewer 1 Report

In this manuscript, the authors reported the synthesis of non-spherical Pt nanoparticles on Ketjen Black carbon for oxygen reduction reaction (ORR) via a surfactant-free one-pot method. The prepared Pt/KB-N shows best ORR activity and Pt/KB-O displays best durability between 1.0-1.5 V for carbon corrosion. I recommend the acceptance of this manuscript after a minor revision.

1. The TEM image and XRD patterns of Pt/KB-N after durability tests should also be included in the manuscript.

2. The ECSA of Pt/KB, Pt/KB-O, Pt/KB-N should be provided in the manuscript.

3. Please provide the long-term stability of Pt/KB-N at a current density of 10 mA cm-2.

 

4. It would be better to provide a comparison table to compare the ORR performance of Pt/KB-N with those of other electrocatalysts.

Minor editing of English language required.

Author Response

please see the attachment.

Author Response File: Author Response.pdf

Reviewer 2 Report

The work from Lim et al describes the effect of chemical threatment onto Pt nanostructures on carbon support for ORR. The paper is well written although the introduction misses many important references. The authors list different strategies to improve the catalysts activity while reducing the cost of the catalyst itself.

 

In this list the alloying of Pt with earth abundand materials is missing. I would suggest to add the work related to the effect of Pt alloying, as an examples: Chemistry of Materials, 2019, 31(24), pp. 10040–10048, Journal of Physical Chemistry C, 2020, 124(43), pp. 23683–23689 and ACS Catalysis, 2020, 10(1), pp. 451–457. 

 

This work can represent a good reference for researchers working in this field, therefore it deserves to be published in this journal.

The manuscript is clear and well written, just few typos need to be addressed.

Author Response

please see the attachment.

Author Response File: Author Response.pdf

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