Entropy-Enthalpy Compensation in Ti-V-Mn-Cr BCC Alloys Used as Hydrogen Storage Materials

被引：1

作者：

Kefi, Chourouk ^{[1
]}

Huot, Jacques ^{[1
]}

机构：

[1] Univ Quebec Trois Rivieres, Inst Rech lHydrogene, 3351 Forges, Trois Rivieres, PQ G9A 5H7, Canada

来源：

INORGANICS | 2023年 / 11卷 / 12期

基金：

加拿大自然科学与工程研究理事会;

关键词：

metal hydrides; BCC alloys; enthalpy-entropy compensation; CRYSTAL-STRUCTURE; HYDRIDING PROPERTIES; SORPTION PROPERTIES; LATTICE-DEFECTS; METAL-HYDRIDES; PHASE; ABSORPTION; MICROSTRUCTURE; KINETICS; ZR;

D O I：

10.3390/inorganics11120479

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

In this paper, we report the effect of the Cr/Mn ratio on the thermodynamic properties of Ti30V60Mn(10-x)Crx (x = 0, 3.3, 6.6 and 10) + 4 wt.% Zr alloys. It was found that the enthalpy and entropy change with the Cr/MN ratio and that the entropy and entropy variation is coupled in an enthalpy-entropy compensation fashion. Using a compensation quality factor, it was established that the enthalpy-entropy compensation is not due to a statistical origin, with a confidence of more than 95%.

引用

页数：11

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