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Materials Design for Energy Conversion and Storage II
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Materials Design for Energy Conversion and Storage II

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Energy Materials".

Deadline for manuscript submissions: closed (20 April 2023) | Viewed by 2649

Special Issue Editor

Prof. Dr. Inho Nam

E-Mail Website
Guest Editor
School of Chemical Engineering and Materials Science, Institute of Energy Converting Soft Materials, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Korea
Interests: stretchable energy storages; solar energy conversion; nanomaterials; density functional theory calculations
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With the rapid worldwide growth in concern regarding renewable energy, the development of high efficiency, low-cost, and environmentally friendly energy conversion and storage systems has become a major challenge. In particular, there is an exceptionally high demand for advanced materials with novel design and function that can overcome the current limitations of energy devices. Therefore, through this Special Issue, we are seeking impressive works that describe recent advances in micro/nanomaterials in relation to renewable energy storage and conversion processes. We welcome research papers, communications, and reviews from a broad range of topics related to micro/nanomaterials aiming at future energy resources, low-emission energy conversion, energy storage, energy efficiency, and many other related applications. High-quality manuscripts will be published in the Special Issue after rigorous peer review. We will work hard towards the rapid and wide dissemination of your valuable research results, recent developments, and novel applications in materials as well as renewable energy storage and conversion.

Prof. Dr. Inho Nam
Guest Editor

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. Materials 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

  • energy storage
  • energy conversion
  • nanotechnology

Published Papers (1 paper)

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Research

13 pages, 4146 KiB  
Article
Double-Layered Polymer Microcapsule Containing Non-Flammable Agent for Initial Fire Suppression
by Dong Hun Lee, Soonhyun Kwon, Young Eun Kim, Na Yeon Kim and Ji Bong Joo
Materials 2022, 15(21), 7831; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15217831 - 06 Nov 2022
Cited by 3 | Viewed by 2172
Abstract
Fire in energy storage systems, such as lithium-ion batteries, has been raised as a serious concern due to the difficulty of suppressing it. Fluorine-based non-flammable agents used as internal substances leaked through the fine pores of the polymer outer shell, leading to a [...] Read more.
Fire in energy storage systems, such as lithium-ion batteries, has been raised as a serious concern due to the difficulty of suppressing it. Fluorine-based non-flammable agents used as internal substances leaked through the fine pores of the polymer outer shell, leading to a degradation of fire extinguishing performance. To improve the durability of the fire suppression microcapsules and the stability of the ouster shell, a complex coacervation was used, which could be microencapsulated at a lower temperature, and the polymer shell was coated with urea-formaldehyde (UF) resin. The outermost UF resin formed elaborate bonds with the gelatin-based shell, and thus, the structure of the outer shell became denser, thereby improving the loss resistance of the inner substance and thermal stability. The double-layered microcapsules had an average particle diameter of about 309 μm, and a stable outer shell formed with a mass loss of 0.005% during long-term storage for 100 days. This study confirmed that the double-layered microcapsules significantly improved thermal stability, resistance to core material loss, core material content and fire suppression performance compared to single wall microcapsules. These results indicated that the double-layered structure was suitable for the production of microcapsules for initial fire suppression, including highly volatile non-flammable agents with a low boiling point. Full article
(This article belongs to the Special Issue Materials Design for Energy Conversion and Storage II)
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