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Applied Sciences
Volume 12
Issue 3
10.3390/app12030963
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Article
Peer-Review Record

Sulfonated Polyether Ether Ketone and Organosilica Layered Nanofiller for Sustainable Proton Exchange Membranes Fuel Cells (PEMFCs)

Appl. Sci. 2022, 12(3), 963; https://doi.org/10.3390/app12030963
by Ernestino Lufrano *, Cataldo Simari, Apostolos Enotiadis † and Isabella Nicotera *
Reviewer 1: Anonymous
Reviewer 2: Anonymous
Appl. Sci. 2022, 12(3), 963; https://doi.org/10.3390/app12030963
Submission received: 21 December 2021 / Revised: 14 January 2022 / Accepted: 17 January 2022 / Published: 18 January 2022
(This article belongs to the Special Issue Advanced Materials for PEM-Based Fuel Cell Systems)

Round 1

Reviewer 1 Report

  1. The introduction should be rephrased, including more relevant  work on the fabrication and performance of electrolyte membranes by
  2. The prepared membranes show many good advantages. How about its durability? If it is applied in a real PEMFC, how long time can it survive to have good performance?
  3. I am very interested in the reproducibility of the fabricated membrane. Did the authors repeat the fabrication and the measurement?
  4. Why the authors did not do any measurement of surface characterizations, e.g., SEM, XPS, etc?

Author Response

Please see the attachment.

Author Response File: Author Response.pdf

Reviewer 2 Report

In this manuscript, SPEEK was employed as a polymer matrix for the preparation of hybrid membranes by incorporating an organo-silica layered material properly functionalized by anchoring high phosphonate (-PO3H) ionic groups (PSLM). The proton transport properties, mechanical properties of the SPEEK-PSLM membranes were investigated. It is found that the presence of the organosilica nanoplatelets remarkably improves the mechanical strength, the water retention capacity at high temperatures, and the proton transport for the PEMFCs applications.

I consider the content of this manuscript will definitely meet the reading interests of the readers of the Applied Sciences journal. Therefore, I suggest giving a minor revision and the authors need to clarify some issues or supply some more data to enrich the content.

See the attached PDF file for more details.

Comments for author File: Comments.pdf

Author Response

Please see the attachment

Author Response File: Author Response.pdf

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