Modelling of hydrogen thermal desorption spectra

被引：8
|
作者：
Lototskyy, Mykhaylo [1 ]
Denys, Roman [2 ]
Nyamsi, Serge Nyallang [1 ]
Bessarabskaia, Irina [3 ]
Yartys, Volodymyr [4 ,5 ]
机构：
[1] Univ Western Cape, South African Inst Adv Mat Chem, P Bag X17, ZA-7535 Bellville, South Africa
[2] HYSTORSYS AS, POB 45, NO-2027 Kjeller, Norway
[3] Moscow Technol Univ MIREA, 20 Stromynka Str, Moscow 107996, Russia
[4] Inst Energy Technol IFE, POB 40, NO-2027 Kjeller, Norway
[5] Norwegian Univ Sci & Technol NTNU, NO-7491 Trondheim, Norway
来源：
MATERIALS TODAY-PROCEEDINGS | 2018年 / 5卷 / 04期
基金：
新加坡国家研究基金会;
关键词：
thermal analysis; thermal desorption spectroscopy; kinetics; modelling; magnesium hydride; SPECTROSCOPY TDS; KISSINGER METHOD; KINETICS; DECOMPOSITION; HYDRIDE; EVOLUTION; STORAGE;
D O I：
10.1016/j.matpr.2017.12.375
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, we report about development of computer model of hydrogen Thermal Desorption Spectra (TDS) using a combination of modified Kissinger approach and combined form of differential kinetic equation. For an individual TDS peak, the developed model allows to adequately fit the experimental TDS data using up to 6 parameters, including the activation energy of desorption and the pre-exponent factor. The fitting procedure also allows visualizing the reaction model function using the experimental TDS data. The model was verified for the nanostructured magnesium hydride prepared by high-energy ball milling of magnesium in hydrogen, including its composites with carbon and titanium. (c) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：10440 / 10449
页数：10
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