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Applied Sciences
Special Issues
Advances and Challenges in Biomass and Carbon Materials
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Advances and Challenges in Biomass and Carbon Materials

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: 20 June 2024 | Viewed by 2078

Special Issue Editors

Prof. Dr. Juan Félix González

E-Mail Website
Guest Editor
Department of Applied Physics, E.I.I., Extremadura University, Avenida de Elvas s/n, 06071 Badajoz, Spain
Interests: biomass; bioenergy; combustion; pyrolysis; hydrothermal carbonization; biodiesel
Special Issues, Collections and Topics in MDPI journals
Dr. Sergio Nogales Delgado

E-Mail Website
Guest Editor
Department of Chemical Engineering and Physical Chemistry, University of Extremadura, Avda. De Elvas s/n, 06006 Badajoz, Spain
Interests: biomass; biodiesel; biolubricants; oxidative stability; fatty acid methyl esters; catalyst; pyrolysis; gasification
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Biomass can be converted into regular solid, liquid and gaseous fuels, which are inexhaustible and inexhaustible. It is a renewable energy source, and also, the only renewable carbon source. With the increasingly severe energy crisis, biomass is being paid more and more attention. Similarly, carbon materials have attracted a great amount of interest by virtue of their excellent mechanical, thermal, and optical properties, as well as high biocompatibility after tailored surface functionalization. This Special Issue's aim is to present and disseminate the most recent advances and challenges related to biomass and carbon materials.

Prof. Dr. Juan Félix González
Dr. Sergio Nogales Delgado
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. Applied Sciences 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 2400 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

  • biomass
  • biofuels
  • biorefinery engineering
  • biomaterials
  • oxidation
  • nanocarbon materials
  • energy storage
  • energy conversion
  • carbon materials

Published Papers (2 papers)

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13 pages, 3364 KiB  
Article
Synthesis of Porous Carbon Nanomaterials from Vietnamese Coal: Fabrication and Energy Storage Investigations
by Tra Huong Do, Van Tu Nguyen, Thi Nga Nguyen, Xuan Linh Ha, Quoc Dung Nguyen and Thi Kim Ngan Tran
Appl. Sci. 2024, 14(3), 965; https://doi.org/10.3390/app14030965 - 23 Jan 2024
Viewed by 787
Abstract
The choice of precursor and simple synthesis techniques have decisive roles in the viable production and commercialization of carbon products. The intense demand for developing high-purity carbon nanomaterials through inexpensive techniques has promoted the usage of fossil derivatives as a feasible source of [...] Read more.
The choice of precursor and simple synthesis techniques have decisive roles in the viable production and commercialization of carbon products. The intense demand for developing high-purity carbon nanomaterials through inexpensive techniques has promoted the usage of fossil derivatives as a feasible source of carbon. In this study, Vietnamese-coal-derived porous carbon (PC) was used to fabricate coal-derived porous carbon nanomaterials (CDPCs) using the modified Hummers method. The resulting porous carbon nanomaterials achieved a nanoscale structure with an average pore size ranging from 3 to 10 nm. The findings indicate that CDPC exhibits well-developed micropores and mesopores. The presence of macropores and mesopores not only facilitates the complete immersion of the material in the electrolyte but also effectively shortens the ion diffusion pathways. CDPC boasts a high carbon content, constituting 80.88% by weight. Electrochemical impedance spectroscopy (EIS) Nyquist plot of electrodes made from CDPC showed good conductivity value with low charge-transfer resistance. This electrode worked well and stably with capacitance retention of 74.7% after 1000 cycles. The CDPC specific capacitance reached 236 F/g under a current density of 0.1 A using the constant current discharge method and then decreased as the current density increased. Based on the results of the electrochemical properties of the materials, the energy storage capacity of the CDPC material was good and stable. This investigation presents an eco-friendly methodology for the judicious utilization of coal in energy storage applications, specifically as electrodes for supercapacitors and anodes for Li-ion batteries. Full article
(This article belongs to the Special Issue Advances and Challenges in Biomass and Carbon Materials)
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20 pages, 7546 KiB  
Article
Glycerol Steam Reforming in a Pilot Plant: Effect of Temperature and Catalyst Load
by Juan Félix González, Andrés Álvarez Murillo, Álvaro González Arroyo and Sergio Nogales-Delgado
Appl. Sci. 2023, 13(18), 10376; https://doi.org/10.3390/app131810376 - 16 Sep 2023
Cited by 1 | Viewed by 1018
Abstract
One of the main environmental problems is the use of oil for fuel and plastic production, implying the increase in pollutants that might contribute to the greenhouse gas effect, among others. Thus, the use of vegetable oils to produce biodiesel can be interesting, [...] Read more.
One of the main environmental problems is the use of oil for fuel and plastic production, implying the increase in pollutants that might contribute to the greenhouse gas effect, among others. Thus, the use of vegetable oils to produce biodiesel can be interesting, as it is biodegradable and less pollutant compared to diesel fuels, presenting higher flash and combustion points. Moreover, biodiesel production could take part in a biorefinery concept, to produce products such as biolubricants and obtain interesting byproducts that can be reused (such as methanol) or upgraded for energy or pharmaceutical purposes (like glycerol). Consequently, the valorization of these byproducts could contribute to the higher energy efficiency of the process, improving the atom economy. The aim of this work was to assess the effect of the temperature and the amount of catalyst on glycerol steam reforming to produce hydrogen at a semi-industrial level, regarding some aspects like gas production, hydrogen mole ratio and power, using a Ni-based catalyst. In conclusion, the best results found in this experiment, allowing a plant to work continuously for 9 h, were obtained with the following conditions: S/C ratio: 0.7; inlet flow: 40 mL/min; temperature: 850 °C; La2O3 and NiO percentage: 5 and 12%, respectively. Full article
(This article belongs to the Special Issue Advances and Challenges in Biomass and Carbon Materials)
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