Direct Evidence of Ice Crystallization Inhibition by Dielectric Relaxation of Hydrated Ions

In this paper, the inhibition effect of an alternative current (AC) electric field on ice crystallization in 0.9 wt % NaCl aqueous solution was confirmed thermodynamically with characterization. An innovative experimental and analytical method, combining differential scanning calorimeter (DSC) measu...

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Autores principales:	Xiaoyuan Song, Lisheng Zhong, Jinghui Gao
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	ice crystals microelectrodes electric field dielectric relaxation hydrated ions Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/fa584ae788564cdf81561d1a4a4a28b5
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spelling	oai:doaj.org-article:fa584ae788564cdf81561d1a4a4a28b52021-11-25T18:15:22ZDirect Evidence of Ice Crystallization Inhibition by Dielectric Relaxation of Hydrated Ions10.3390/ma142269751996-1944https://doaj.org/article/fa584ae788564cdf81561d1a4a4a28b52021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/22/6975https://doaj.org/toc/1996-1944In this paper, the inhibition effect of an alternative current (AC) electric field on ice crystallization in 0.9 wt % NaCl aqueous solution was confirmed thermodynamically with characterization. An innovative experimental and analytical method, combining differential scanning calorimeter (DSC) measurement with an externally applied electric field was created by implanting microelectrodes in a sample crucible. It was found that the ice crystallization, including pure ice and salty ice, was obviously inhibited after field cooling with an external AC electric field in a frequency range of 100 k–10 MHz, and the crystallization ratio was related to frequency. Compared with non-field cooling, the crystallization ratio of ice crystals was reduced to less than 20% when <i>E</i> = 57.8 kV/m and <i>f</i> = 1 MHz. The dielectric spectrum results show that this inhibition effect of an alternating electric field on ice crystal growth is closely related to the dielectric relaxation process of hydrated ions.Xiaoyuan SongLisheng ZhongJinghui GaoMDPI AGarticleice crystalsmicroelectrodeselectric fielddielectric relaxationhydrated ionsTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6975, p 6975 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	ice crystals microelectrodes electric field dielectric relaxation hydrated ions Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	ice crystals microelectrodes electric field dielectric relaxation hydrated ions Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Xiaoyuan Song Lisheng Zhong Jinghui Gao Direct Evidence of Ice Crystallization Inhibition by Dielectric Relaxation of Hydrated Ions
description	In this paper, the inhibition effect of an alternative current (AC) electric field on ice crystallization in 0.9 wt % NaCl aqueous solution was confirmed thermodynamically with characterization. An innovative experimental and analytical method, combining differential scanning calorimeter (DSC) measurement with an externally applied electric field was created by implanting microelectrodes in a sample crucible. It was found that the ice crystallization, including pure ice and salty ice, was obviously inhibited after field cooling with an external AC electric field in a frequency range of 100 k–10 MHz, and the crystallization ratio was related to frequency. Compared with non-field cooling, the crystallization ratio of ice crystals was reduced to less than 20% when <i>E</i> = 57.8 kV/m and <i>f</i> = 1 MHz. The dielectric spectrum results show that this inhibition effect of an alternating electric field on ice crystal growth is closely related to the dielectric relaxation process of hydrated ions.
format	article
author	Xiaoyuan Song Lisheng Zhong Jinghui Gao
author_facet	Xiaoyuan Song Lisheng Zhong Jinghui Gao
author_sort	Xiaoyuan Song
title	Direct Evidence of Ice Crystallization Inhibition by Dielectric Relaxation of Hydrated Ions
title_short	Direct Evidence of Ice Crystallization Inhibition by Dielectric Relaxation of Hydrated Ions
title_full	Direct Evidence of Ice Crystallization Inhibition by Dielectric Relaxation of Hydrated Ions
title_fullStr	Direct Evidence of Ice Crystallization Inhibition by Dielectric Relaxation of Hydrated Ions
title_full_unstemmed	Direct Evidence of Ice Crystallization Inhibition by Dielectric Relaxation of Hydrated Ions
title_sort	direct evidence of ice crystallization inhibition by dielectric relaxation of hydrated ions
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/fa584ae788564cdf81561d1a4a4a28b5
work_keys_str_mv	AT xiaoyuansong directevidenceoficecrystallizationinhibitionbydielectricrelaxationofhydratedions AT lishengzhong directevidenceoficecrystallizationinhibitionbydielectricrelaxationofhydratedions AT jinghuigao directevidenceoficecrystallizationinhibitionbydielectricrelaxationofhydratedions
_version_	1718411477882241024

Direct Evidence of Ice Crystallization Inhibition by Dielectric Relaxation of Hydrated Ions

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