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Energies
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Materials and Advanced Manufacturing for Sustainable Energy Applications
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Materials and Advanced Manufacturing for Sustainable Energy Applications

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "D1: Advanced Energy Materials".

Deadline for manuscript submissions: closed (28 February 2022) | Viewed by 8928

Special Issue Editors

Dr. Arkadeep Kumar

E-Mail Website
Guest Editor
Applied Materials Inc., Sunnyvale, CA 94085, USA
Interests: sustainable energy; advanced micro/nano manufacturing; semiconductors; photovoltaics; sensors; nanomaterials
Dr. Kunal Mondal

E-Mail Website
Guest Editor
Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA
Interests: advanced materials; characterization of materials; additive manufacturing; nuclear materials; micro/nano fabrication of functional materials; liquid metal
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues

Global requirements of energy are increasing and conventional methods of energy generation suffer from several limitations including climate change. Hence, there is a critical need for sustainable methods of energy generation. Such new methods of energy generation provide clean, renewable, and sustainable energy harnessing methods such as solar, wind, piezoelectric, and so on. Advances in materials science and nanomaterials, along with new methods of advanced manufacturing, provide unique opportunities to achieve energy efficiency through technologies such as solar cells, piezoelectrics, MEMS, NEMS, smart sensors, and so on.

This Special Issue invites original research articles, short letters, and reviews in the field of energy efficiency achieved through multiple pathways, advanced manufacturing, micro- and nano-technology, semiconductors, sensors, and smart MEMS/NEMS devices. The issue intends to showcase new fabrication methods, new materials, and blends/hybrids of materials related to energy applications with an improved performance over existing benchmark material from the relevant applications. This Special Issue will supplement the existing literature by focusing on the recent developments and provide perspectives for the future.

Dr. Arkadeep Kumar
Dr. Kunal Mondal
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. Energies is an international peer-reviewed open access semimonthly 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

  • nanomaterials
  • materials
  • advanced manufacturing
  • sustainable

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Published Papers (2 papers)

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15 pages, 17389 KiB  
Article
Palladium-Functionalized Graphene for Hydrogen Sensing Performance: Theoretical Studies
by Vinay Kishnani, Anshul Yadav, Kunal Mondal and Ankur Gupta
Energies 2021, 14(18), 5738; https://doi.org/10.3390/en14185738 - 12 Sep 2021
Cited by 28 | Viewed by 2758
Abstract
The adsorption characteristics of H2 molecules on the surface of Pd-doped and Pd-decorated graphene (G) have been investigated using density functional theory (DFT) calculations to explore the sensing capabilities of Pd-doped/decorated graphene. In this analysis, electrostatic potential, atomic charge distribution, 2D and [...] Read more.
The adsorption characteristics of H2 molecules on the surface of Pd-doped and Pd-decorated graphene (G) have been investigated using density functional theory (DFT) calculations to explore the sensing capabilities of Pd-doped/decorated graphene. In this analysis, electrostatic potential, atomic charge distribution, 2D and 3D electron density contouring, and electron localization function projection, were investigated. Studies have demonstrated the sensing potential of both Pd-doped and Pd-decorated graphene to H2 molecules and have found that the gap between the highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO), i.e., the HOMO-LUMO gap (HLG), decreases to 0.488 eV and 0.477eV for Pd-doped and Pd-decorated graphene, respectively. When H2 is adsorbed on these structures, electrical conductivity increases for both conditions. Furthermore, chemical activity and electrical conductivity are higher for Pd-decorated G than Pd-doped G, whereas the charge transfer of Pd-doped graphene is far better than that of Pd-decorated graphene. Also, studies have shown that the adsorption energy of Pd-doped graphene (−4.3 eV) is lower than that of Pd-decorated graphene (−0.44 eV); a finding attributable to the fact that the recovery time for Pd-decorated graphene is lower compared to Pd-doped graphene. Therefore, the present analysis confirms that Pd-decorated graphene has a better H2 gas sensing platform than Pd-doped graphene and, as such, may assist the development of nanosensors in the future. Full article
(This article belongs to the Special Issue Materials and Advanced Manufacturing for Sustainable Energy Applications)
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Review

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20 pages, 4695 KiB  
Review
A Review on Advanced Manufacturing for Hydrogen Storage Applications
by Zach Free, Maya Hernandez, Mustafa Mashal and Kunal Mondal
Energies 2021, 14(24), 8513; https://doi.org/10.3390/en14248513 - 17 Dec 2021
Cited by 18 | Viewed by 5551
Abstract
Hydrogen is a notoriously difficult substance to store yet has endless energy applications. Thus, the study of long-term hydrogen storage, and high-pressure bulk hydrogen storage have been the subject of much research in the last several years. To create a research path forward, [...] Read more.
Hydrogen is a notoriously difficult substance to store yet has endless energy applications. Thus, the study of long-term hydrogen storage, and high-pressure bulk hydrogen storage have been the subject of much research in the last several years. To create a research path forward, it is important to know what research has already been done, and what is already known about hydrogen storage. In this review, several approaches to hydrogen storage are addressed, including high-pressure storage, cryogenic liquid hydrogen storage, and metal hydride absorption. Challenges and advantages are offered based on reported research findings. Since the project looks closely at advanced manufacturing, techniques for the same are outlined as well. There are seven main categories into which most rapid prototyping styles fall. Each is briefly explained and illustrated as well as some generally accepted advantages and drawbacks to each style. An overview of hydrogen adsorption on metal hydrides, carbon fibers, and carbon nanotubes are presented. The hydrogen storage capacities of these materials are discussed as well as the differing conditions in which the adsorption was performed under. Concepts regarding storage shape and materials accompanied by smaller-scale advanced manufacturing options for hydrogen storage are also presented. Full article
(This article belongs to the Special Issue Materials and Advanced Manufacturing for Sustainable Energy Applications)
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