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Solid State Chemistry Enabling Clean Technologies

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

Deadline for manuscript submissions: closed (31 August 2021) | Viewed by 3413

Special Issue Editor


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Guest Editor
Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
Interests: solid state chemistry; materials for energy storage; lithium ion batteries; sodium ion batteries; electron paramagnetic resonance spectroscopy; structure characterization; intercalation chemistry
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Special Issue Information

Dear Colleagues,

The advancement of clean technologies can only be achieved if there is a radical change in the type of materials that are presently used. The discovery of new materials depends critically on our ability to obtain insights into complex relations between the method of synthesis, local- and long-range structures, and materials’ properties. The exploration of these relationships underlies solid state chemistry—a branch of chemistry that has made a breakthrough in energy storage. Through a smart combination of the structure, intercalation, and electrochemical properties of oxides and carbonaceous materials, lithium-ion batteries have been constructed as the most enlightening and powerful energy devices (the Nobel Prize of Chemistry, 2019). Today, the progress in solid state chemistry affects various areas of our everyday life: from improved wireless communications and powering transport to environmental protection and smart products via changes in the health industry.

This Special Issue is focused on solid state chemistry and its role as an enabler of new clean technologies. The main topics are:

A. Materials for clean energy storage and conversion: (i) design and modeling of electrode and electrolyte materials for post-lithium-ion batteries; (ii) oxide/hydroxide composites for supercapacitors; (iii) nanocomposite materials for H2 storage; (iv) new thermoelectric materials.

B. Materials and thin films for environmental protection: (i) new adsorbents for CO2 capture and gas fuel purification; (ii) new approaches to the catalytic neutralization of waste gases; (iii) new oxide thin films and nanopowders for photocatalysis.

C. Ceramics/bioceramics and glasses for a better life: (i) smart optical systems based on glasses and ceramics; (ii) modeling of systems with optical properties; (iii) nanocomposite phosphate-based materials for medical applications.

Current concepts, trends, limitations, and emerging new technologies in solid state chemistry will also be presented.

Prof. Radostina Stoyanova
Guest Editor

Manuscript Submission Information

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Keywords

  • materials for energy storage and conversion
  • catalysts/sorbents
  • optics
  • phosphate-based materials

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Published Papers (1 paper)

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Research

11 pages, 3778 KiB  
Article
Effect of Alkaline-Basic Electrolytes on the Capacitance Performance of Biomass-Derived Carbonaceous Materials
by Boryana Karamanova, Antonia Stoyanova, Maria Shipochka, Svetlana Veleva and Radostina Stoyanova
Materials 2020, 13(13), 2941; https://doi.org/10.3390/ma13132941 - 30 Jun 2020
Cited by 20 | Viewed by 2948
Abstract
The present work explores in detail the effect of alkaline-basic electrolytes on the capacitance performance of biomass-derived carbonaceous materials used as electrodes in symmetric supercapacitors. The proof-of-concept is demonstrated by two commercial carbon products (YP-50F and YP-80F, Kuraray Europe GmbH, Vantaa, Finland), obtained [...] Read more.
The present work explores in detail the effect of alkaline-basic electrolytes on the capacitance performance of biomass-derived carbonaceous materials used as electrodes in symmetric supercapacitors. The proof-of-concept is demonstrated by two commercial carbon products (YP-50F and YP-80F, Kuraray Europe GmbH, Vantaa, Finland), obtained from coconuts. The capacitance performance of YP-50F and YP-80F was evaluated in three types of basic electrolytes: 6 M LiOH, 6 M NaOH and 6 M KOH. It was found that the capacitance performance of YP-50F improved in the following order: NaOH < LiOH < KOH; Meanwhile, for YP-80F, the order changes to LiOH < NaOH < KOH. After 1000 cycles, the cycling stability of both YP-50F and YP-80F increased in the order NaOH < LiOH < KOH. This order of performance improvement is determined by both the electrolyte conductivity and the interaction between the functional groups of carbonaceous materials and alkaline electrolytes. The reactivity of the functional groups was assessed by postmortem SEM/EDS and X-ray photoelectron spectroscopy (XPS) analyses of the electrodes after prolonged cycling. Full article
(This article belongs to the Special Issue Solid State Chemistry Enabling Clean Technologies)
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