Thermodynamic Properties of Tetra-n-butylphosphonium Dicarboxylate Semiclathrate Hydrates

Shimada, Jin; Yamada, Moe; Tani, Atsushi et al.

Journal of Chemical and Engineering Data, 2022, 67(1), 67-73

Number of Access:232（2025-04-10 00:40 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/91292

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Title
Thermodynamic Properties of Tetra-n-butylphosphonium Dicarboxylate Semiclathrate Hydrates
Creator
CreatorName
Shimada, Jin
CreatorName
Yamada, Moe
NRID
1000010335333 1000010335333
CreatorName
Tani, Atsushi
NRID
1000020335384 1000020335384
ORCID
0000-0002-5236-5605 0000-0002-5236-5605
researchmap permalink
read0191169 read0191169
Scopus Author ID
56212469300 56212469300
CreatorName
Sugahara, Takeshi
NRID
1000090550070 1000090550070
CreatorName
Tsunashima, Katsuhiko
NRID
1000000966517 1000000966517
CreatorName
Tsuchida, Yusuke
NRID
1000080208800 1000080208800
researchmap permalink
read0013780 read0013780
Scopus Author ID
7402768651 7402768651
CreatorName
Hirai, Takayuki
Description
Jin Shimada, Moe Yamada, Atsushi Tani et al. Thermodynamic Properties of Tetra-n-butylphosphonium Dicarboxylate Semiclathrate Hydrates. Journal of Chemical & Engineering Data, 67 (1), 67-73, January 13, © 2022 American Chemical Society. https://doi.org/10.1021/acs.jced.1c00741
Abstract
Semiclathrate hydrate (SCH) is one of the phase change materials suitable for cold energy storage. Thermodynamic properties of SCHs, such as an equilibrium temperature and the dissociation enthalpy, depend on the size and shape of the guest substances. In the present study, to reveal the effects of steric conformations of the guest anions on the thermodynamic properties of SCHs, tetra-n-butylphosphonium dicarboxylate (TBP-DC) SCHs, where the anion was oxalate (TBP-Oxa), malonate (TBP-Mal), succinate (TBP-Suc), glutarate (TBP-Glu), maleate (TBP-Male), or fumarate (TBP-Fum), were investigated. TBP-Oxa, -Mal, -Suc, and -Fum SCHs had similar equilibrium temperatures, whereas the equilibrium temperatures of TBP-Glu and -Male SCHs were higher. This suggests that the size and conformation of glutarate and maleate anions are appropriate for the cage structures of SCHs. Moreover, we compared the equilibrium temperatures of TBP-Suc, -Male, and -Fum SCHs because TBP-Suc, -Male, and -Fum have similar anion structures. The equilibrium temperature of TBP-Suc SCH was similar to that of TBP-Fum SCH, whereas TBP-Male SCH showed a higher equilibrium temperature. This result implies that the succinate anion is accommodated in the trans conformation, similar to the fumarate anion, in the hydrate cages.
Publisher
American Chemical Society
Source Title
Journal of Chemical and Engineering Data
Volume (Issue)
67(1)
Page
67-73
Date of Issued
2022-01-13
Language
English
Handle URL
https://hdl.handle.net/11094/91292
PISSN
00219568
eISSN
15205134
Relation.isVersionOf
DOI (Publisher Version)
https://doi.org/10.1021/acs.jced.1c00741
Access Rights
open access
CopyRight
This document is the Accepted Manuscript version of a Published Work that appeared in final form in Journal of Chemical and Engineering Data, © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.jced.1c00741.
oaire:version
Accepted Manuscript
Category
学術雑誌論文 Journal Article