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JMSE
Special Issues
Advanced Technologies for New (Clean) Energy Ships—2nd Edition
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Advanced Technologies for New (Clean) Energy Ships—2nd Edition

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Ocean Engineering".

Deadline for manuscript submissions: 25 June 2025 | Viewed by 280

Special Issue Editors

Dr. Qiuwan Shen

E-Mail Website
Guest Editor
Marine Engineering College, Dalian Maritime University, Dalian 116026, China
Interests: hydrogen energy; new energy technology; PEMFC; lithium-ion; PEMEC; energy materials
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. He Miao

E-Mail Website
Guest Editor
Faculty of Maritime and Transportation, Ningbo University, Ningbo 315832, China
Interests: perovskite-type oxides; new energy technology; hydrogen production
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent years, in order to meet the increasingly strict greenhouse gas emission requirements of the International Maritime Organization, major countries around the world have begun to attach importance to the development of green (clean) ships and actively promote the application of new energy in the field of ships. The ability to achieve the green transformation of ships lies with the application of green power technology, which is divided into two types: low-carbon and zero-carbon power. This can be achieved with different fuels, including LNG, liquid ammonia, methanol, hydrogen power, and lithium-ion-based electric drive.

We invite original research, reviews, and perspectives involving experimental/simulation investigations, recent developments, and future directions in the field of advanced technologies for new (clean) energy ship applications.

Dr. Qiuwan Shen
Prof. Dr. He Miao
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Marine Science and Engineering is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • new energy ship
  • clean energy ship
  • hydrogen power
  • fuel cell power/PEM fuel cell/SOFC
  • LNG
  • ammonia-powered ships
  • lithium-ion power
  • hybrid power
  • methanol-powered ships
  • maritime decarbonization
  • energy efficiency and optimization
  • energy savings and emission reductions
  • exhaust emission reductions
  • carbon capture technologies

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Further information on MDPI's Special Issue policies can be found here.

Related Special Issue

Published Papers (1 paper)

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Research

17 pages, 13729 KiB  
Article
Effect of Flow Field with Baffles on Performance of High Temperature Proton Exchange Membrane Fuel Cells
by Shian Li, Shuqian Zhang and Qiuwan Shen
J. Mar. Sci. Eng. 2025, 13(3), 456; https://doi.org/10.3390/jmse13030456 - 27 Feb 2025
Viewed by 124
Abstract
With the implementation of strict emission regulations, new energy technologies are widely used in the field of maritime transportation. Fuel cells can be used as the power sources of ships due to the advantages of high efficiency, low noise and zero emissions. In [...] Read more.
With the implementation of strict emission regulations, new energy technologies are widely used in the field of maritime transportation. Fuel cells can be used as the power sources of ships due to the advantages of high efficiency, low noise and zero emissions. In this study, a three-dimensional non-isothermal numerical model of a high temperature proton exchange membrane fuel cell (HT-PEMFC) is established and used to investigate the effect of a flow field with baffles on cell performance. The effects of the number, height and length of baffles in the flow field on the species concentration distribution, current density and power density are comprehensively studied. Compared with the traditional straight channel, the baffles in the channel can effectively improve cell performance. When the number of baffles is nine, the height of the baffles is 0.75 mm and the length of the baffles is 1 mm, the current density is increased from 1.390 A/cm2 to 1.524 A/cm2 at a voltage of 0.4 V, which is an increase of 9.64%. This study can provide guidelines for flow channel design. Full article
(This article belongs to the Special Issue Advanced Technologies for New (Clean) Energy Ships—2nd Edition)
►▼ Show Figures

Figure 1

Figure 1
<p>Schematic of the flow channel: (<b>a</b>) straight channel; (<b>b</b>) channel with baffles.</p> Full article ">Figure 2
<p>(<b>a</b>) Grid independence test; (<b>b</b>) mesh diagram.</p> Full article ">Figure 3
<p>Model validation by comparing polarization curves.</p> Full article ">Figure 4
<p>Effect of baffle height on cell performance: (<b>a</b>) polarization curves and power density curves; (<b>b</b>) power density.</p> Full article ">Figure 5
<p>The effect of baffle height on the pressure drop.</p> Full article ">Figure 6
<p>The effect of baffle height on the streamlines of the velocity distribution: (<b>a</b>) the anode side; (<b>b</b>) the cathode side.</p> Full article ">Figure 7
<p>The effect of baffle height on the molar concentration distribution: (<b>a</b>) hydrogen; (<b>b</b>) oxygen.</p> Full article ">Figure 8
<p>The effect of baffle height on the current density distribution.</p> Full article ">Figure 9
<p>Effect of baffle number on cell performance: (<b>a</b>) polarization curves and power density curves; (<b>b</b>) power density.</p> Full article ">Figure 10
<p>The effect of the baffle number on the pressure drop.</p> Full article ">Figure 11
<p>The effect of the baffle number on the streamlines of the velocity distribution: (<b>a</b>) the anode side; (<b>b</b>) the cathode side.</p> Full article ">Figure 12
<p>Effect of baffle number on molar concentration distribution: (<b>a</b>) hydrogen; (<b>b</b>) oxygen.</p> Full article ">Figure 13
<p>Effect of baffle number on current density distribution.</p> Full article ">Figure 14
<p>Effect of baffle length on cell performance: (<b>a</b>) polarization curves and power density curves; (<b>b</b>) power density.</p> Full article ">Figure 15
<p>Effect of baffle length on pressure drop.</p> Full article ">Figure 16
<p>The effect of baffle length on the streamlines of the velocity distribution: (<b>a</b>) the anode side; (<b>b</b>) the cathode side.</p> Full article ">Figure 17
<p>The effect of baffle length on the molar concentration distribution: (<b>a</b>) hydrogen; (<b>b</b>) oxygen.</p> Full article ">Figure 18
<p>The effect of baffle length on the current density distribution.</p> Full article ">
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