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Applications of Atmospheric Pressure Plasma in Energy Harvesting and Storage Devices

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

Deadline for manuscript submissions: closed (31 January 2022) | Viewed by 10578

Special Issue Editor


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Guest Editor
Graduate Institute of Applied Mechanics and Advanced Research Center for Green Materials Science and Technology, National Taiwan University, Taipei 10617, Taiwan
Interests: plasma technology on materials processing; solar cell; water splitting; hydrogen generation; supercapacitor; redox flow cell; fuel cell; battery; flexible electronics
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Special Issue Information

Dear Colleagues,

Energy is an important issue in civilization. The requirement of clean and green energy technology is essential for global sustainability. Atmospheric pressure plasma technology has been demonstrated as an energy-saving economic technology for materials processing and device fabrication. It has been extensively applied in the fabrication processes of solar cells, supercapacitors, batteries, redox flow cells, fuel cells, hydrogen generation devices, piezoelectric energy generators, and triboelectric nanogenerators. To support the continuing development of this fast-growing research topic, we are organizing a Special Issue of Materials to invite researchers worldwide to showcase their research results. Regular length papers, short communications, and review articles on atmospheric pressure plasma technology applied to energy harvesting and storage devices are invited.

Prof. Dr. Jian-Zhang Chen
Guest Editor

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Keywords

  • plasma
  • atmospheric pressure chemical vapor deposition (APCVD)
  • atmospheric pressure plasma
  • dielectric barrier discharge
  • corona discharge
  • microplasma
  • plasma spray
  • coatings
  • surface modification
  • solar cell
  • perovskite solar cell
  • dye-sensitized solar cell
  • battery
  • redox flow cell
  • fuel cell
  • piezoelectric energy generator
  • triboelectric nanogenerator
  • water splitting
  • hydrogen generation

Published Papers (4 papers)

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Research

14 pages, 7847 KiB  
Article
Low-Pressure Plasma-Processed Ruthenium/Nickel Foam Electrocatalysts for Hydrogen Evolution Reaction
by Chen Liu, Chia-Yun Tseng, Ying-Chyi Wang, I-Chun Cheng and Jian-Zhang Chen
Materials 2022, 15(7), 2603; https://doi.org/10.3390/ma15072603 - 01 Apr 2022
Cited by 5 | Viewed by 2066
Abstract
In this paper, low-pressure 95%Ar–5%H2, pure Ar, and 95%Ar–5%O2 plasmas were used for post-treatment of ruthenium (Ru) deposited on nickel foam (NF) (Ru/NF). Ru/NF was then tested as a catalyst for a hydrogen evolution reaction. Significant improvement in electrocatalytic activity [...] Read more.
In this paper, low-pressure 95%Ar–5%H2, pure Ar, and 95%Ar–5%O2 plasmas were used for post-treatment of ruthenium (Ru) deposited on nickel foam (NF) (Ru/NF). Ru/NF was then tested as a catalyst for a hydrogen evolution reaction. Significant improvement in electrocatalytic activity with the lowest overpotential and Tafel slope was observed in an alkaline electrolyte (1 M KOH) with 95%Ar–5%O2 plasma processing on Ru/NF. Linear scanning electrical impedance spectroscopy (EIS) and cyclic voltammetry (CV) also indicate the lowest interfacial impedance and largest electrical double layer capacitance. Experimental results with 0.1 M phosphate buffered saline (PBS) and 0.5 M H2SO4 electrolytes were also demonstrated and compared. Full article
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19 pages, 7837 KiB  
Article
Preparation of Colored Microcapsule Phase Change Materials with Colored SiO2 Shell for Thermal Energy Storage and Their Application in Latex Paint Coating
by Enpei Ma, Zhenghuang Wei, Cheng Lian, Yinping Zhou, Shichang Gan and Bin Xu
Materials 2021, 14(14), 4012; https://doi.org/10.3390/ma14144012 - 18 Jul 2021
Cited by 16 | Viewed by 2234
Abstract
This article reports the design and manufacture of colored microcapsules with specific functions and their application in architectural interior wall coating. Utilizing reactive dyes grafted SiO2 shell to encapsulate paraffin through interfacial polymerization and chemical grafting methods, this experiment successfully synthesized paraffin@SiO [...] Read more.
This article reports the design and manufacture of colored microcapsules with specific functions and their application in architectural interior wall coating. Utilizing reactive dyes grafted SiO2 shell to encapsulate paraffin through interfacial polymerization and chemical grafting methods, this experiment successfully synthesized paraffin@SiO2 colored microcapsules. The observations of surface morphology demonstrated that the colored microcapsules had a regular spherical morphology and a well-defined core-shell structure. The analysis of XRD and FT-IR confirmed the presence of amorphous SiO2 shell and the grafting reactive dyes, and the paraffin possessed high crystallinity. Compared with pristine paraffin, the thermal conductivity of paraffin@SiO2 colored microcapsules was significantly enhanced. The results of DSC revealed that the paraffin@SiO2 colored microcapsules performed high encapsulation efficiency and desirable latent heat storage capability. Besides, the examinations of UV-vis and TGA showed that the paraffin@SiO2 colored microcapsules exhibited good thermal reliability, thermal stability, and UV protection property. The analysis of infrared imaging indicated that the prepared latex paint exhibited remarkable temperature-regulated property. Compared with normal interior wall coatings, the temperature was reduced by about 2.5 °C. With such incomparable features, the paraffin@SiO2 colored microcapsules not only appeared well in their solar thermal energy storage and temperature-regulated property, but also make the colored latex paint coating have superb colored fixing capabilities. Full article
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13 pages, 2429 KiB  
Article
Characteristics of Graphite Felt Electrodes Treated by Atmospheric Pressure Plasma Jets for an All-Vanadium Redox Flow Battery
by Tossaporn Jirabovornwisut, Bhupendra Singh, Apisada Chutimasakul, Jung-Hsien Chang, Jian-Zhang Chen, Amornchai Arpornwichanop and Yong-Song Chen
Materials 2021, 14(14), 3847; https://doi.org/10.3390/ma14143847 - 09 Jul 2021
Cited by 4 | Viewed by 2682
Abstract
In an all-vanadium redox flow battery (VRFB), redox reaction occurs on the fiber surface of the graphite felts. Therefore, the VRFB performance highly depends on the characteristics of the graphite felts. Although atmospheric pressure plasma jets (APPJs) have been applied for surface modification [...] Read more.
In an all-vanadium redox flow battery (VRFB), redox reaction occurs on the fiber surface of the graphite felts. Therefore, the VRFB performance highly depends on the characteristics of the graphite felts. Although atmospheric pressure plasma jets (APPJs) have been applied for surface modification of graphite felt electrode in VRFBs for the enhancement of electrochemical reactivity, the influence of APPJ plasma reactivity and working temperature (by changing the flow rate) on the VRFB performance is still unknown. In this work, the performance of the graphite felts with different APPJ plasma reactivity and working temperatures, changed by varying the flow rates (the conditions are denoted as APPJ temperatures hereafter), was analyzed and compared with those treated with sulfuric acid. X-ray photoelectron spectroscopy (XPS) indicated that the APPJ treatment led to an increase in O-/N-containing functional groups on the GF surface to ~21.0% as compared to ~15.0% for untreated GF and 18.0% for H2SO4-treated GF. Scanning electron microscopy (SEM) indicated that the surface morphology of graphite felt electrodes was still smooth, and no visible changes were detected after oxidation in the sulfuric acid or after APPJ treatment. The polarization measurements indicated that the APPJ treatment increased the limiting current densities from 0.56 A·cm−2 for the GFs treated by H2SO4 to 0.64, 0.68, and 0.64 A·cm−2, respectively, for the GFs APPJ-treated at 450, 550, and 650 °C, as well as reduced the activation overpotential when compared with the H2SO4-treated electrode. The electrochemical charge/discharge measurements showed that the APPJ treatment temperature of 550 °C gave the highest energy efficiency of 83.5% as compared to 72.0% with the H2SO4 treatment. Full article
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16 pages, 4639 KiB  
Article
Carbon Dioxide Tornado-Type Atmospheric-Pressure-Plasma-Jet-Processed rGO-SnO2 Nanocomposites for Symmetric Supercapacitors
by Jung-Hsien Chang, Song-Yu Chen, Yu-Lin Kuo, Chii-Rong Yang and Jian-Zhang Chen
Materials 2021, 14(11), 2777; https://doi.org/10.3390/ma14112777 - 24 May 2021
Cited by 10 | Viewed by 2884
Abstract
Pastes containing reduced graphene oxide (rGO) and SnCl2 solution were screen printed on carbon cloth and then calcined using a CO2 tornado-type atmospheric-pressure plasma jet (APPJ). The tornado circulation of the plasma gas enhances the mixing of the reactive plasma species [...] Read more.
Pastes containing reduced graphene oxide (rGO) and SnCl2 solution were screen printed on carbon cloth and then calcined using a CO2 tornado-type atmospheric-pressure plasma jet (APPJ). The tornado circulation of the plasma gas enhances the mixing of the reactive plasma species and thus ensures better reaction uniformity. Scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS) were performed to characterize the synthesized rGO-SnO2 nanocomposites on carbon cloth. After CO2 tornado-type APPJ treatment, the pastes were converted into rGO-SnO2 nanocomposites for use as the active electrode materials of polyvinyl alcohol (PVA)-H2SO4 gel-electrolyte flexible supercapacitors (SCs). Various APPJ scanning times were tested to obtain SCs with optimized performance. With seven APPJ scans, the SC achieved the best areal capacitance of 37.17 mF/cm2 in Galvanostatic charging/discharging (GCD) and a capacitance retention rate of 84.2% after 10,000-cycle cyclic voltammetry (CV) tests. The capacitance contribution ratio, calculated as pseudocapacitance/electrical double layer capacitance (PC/EDLC), is ~50/50 as analyzed by the Trasatti method. GCD data were also analyzed to obtain Ragone plots; these indicated an energy density comparable to those of SCs processed using a fixed-point nitrogen APPJ in our previous study. Full article
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