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The effect of storage-induced changes in ammonia borane on hydrogen release during its low-temperature thermolysis. / Komova, Oxana V.; Netskina, Olga V.; Ozerova, Anna M. и др.

в: Inorganics, Том 7, № 8, 96, 08.2019.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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Komova OV, Netskina OV, Ozerova AM, Odegova GV, Arzumanov SS, Simagina VI. The effect of storage-induced changes in ammonia borane on hydrogen release during its low-temperature thermolysis. Inorganics. 2019 авг.;7(8):96. doi: 10.3390/inorganics7080096

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@article{bacace19de08484db4c510a7dbe6b9f9,
title = "The effect of storage-induced changes in ammonia borane on hydrogen release during its low-temperature thermolysis",
abstract = "In this paper, low-temperature solid-state processes of the dehydrogenation of ammonia borane (NH3BH3, AB) samples of different purity are compared under the conditions of isothermal heating at 100 °C, as well as in the course of thermal analysis which was also carried out at different rates of heating. The composition of boron-containing impurities was studied by attenuated total reflection Fourier transform infrared spectroscopy (ATR FTIR) and 11B magic angle spinning nuclear magnetic resonance (11B MAS NMR). Accumulation in AB of three- and four-coordinated borate anions upon contact of hydride with air moisture is established. The apparent activation energies were calculated from thermal analysis data, and found to decrease from 174 to 163 kJ/mol as the AB purity decreased from 93% to 79%. This showed itself in a shortening of the induction period during the AB thermolysis under isothermal conditions. The prospects of using the thermal analysis for estimating NH3BH3 reactivity are discussed.",
keywords = "Activation energy, Ammonia borane, Borates, Hydrogen storage, Kissinger equation, Purity, Thermolysis, COMPLEX, ACID, CARBON, purity, borates, HYDROLYSIS, COMPOSITES, THERMAL-DECOMPOSITION, hydrogen storage, DEHYDROGENATION, thermolysis, activation energy, GENERATION, NH3BH3, ammonia borane, COBALT",
author = "Komova, {Oxana V.} and Netskina, {Olga V.} and Ozerova, {Anna M.} and Odegova, {Galina V.} and Arzumanov, {Sergei S.} and Simagina, {Valentina I.}",
note = "Publisher Copyright: {\textcopyright} 2019 by the authors.",
year = "2019",
month = aug,
doi = "10.3390/inorganics7080096",
language = "English",
volume = "7",
journal = "Inorganics",
issn = "2304-6740",
publisher = "Multidisciplinary Digital Publishing Institute (MDPI)",
number = "8",

}

RIS

TY - JOUR

T1 - The effect of storage-induced changes in ammonia borane on hydrogen release during its low-temperature thermolysis

AU - Komova, Oxana V.

AU - Netskina, Olga V.

AU - Ozerova, Anna M.

AU - Odegova, Galina V.

AU - Arzumanov, Sergei S.

AU - Simagina, Valentina I.

N1 - Publisher Copyright: © 2019 by the authors.

PY - 2019/8

Y1 - 2019/8

N2 - In this paper, low-temperature solid-state processes of the dehydrogenation of ammonia borane (NH3BH3, AB) samples of different purity are compared under the conditions of isothermal heating at 100 °C, as well as in the course of thermal analysis which was also carried out at different rates of heating. The composition of boron-containing impurities was studied by attenuated total reflection Fourier transform infrared spectroscopy (ATR FTIR) and 11B magic angle spinning nuclear magnetic resonance (11B MAS NMR). Accumulation in AB of three- and four-coordinated borate anions upon contact of hydride with air moisture is established. The apparent activation energies were calculated from thermal analysis data, and found to decrease from 174 to 163 kJ/mol as the AB purity decreased from 93% to 79%. This showed itself in a shortening of the induction period during the AB thermolysis under isothermal conditions. The prospects of using the thermal analysis for estimating NH3BH3 reactivity are discussed.

AB - In this paper, low-temperature solid-state processes of the dehydrogenation of ammonia borane (NH3BH3, AB) samples of different purity are compared under the conditions of isothermal heating at 100 °C, as well as in the course of thermal analysis which was also carried out at different rates of heating. The composition of boron-containing impurities was studied by attenuated total reflection Fourier transform infrared spectroscopy (ATR FTIR) and 11B magic angle spinning nuclear magnetic resonance (11B MAS NMR). Accumulation in AB of three- and four-coordinated borate anions upon contact of hydride with air moisture is established. The apparent activation energies were calculated from thermal analysis data, and found to decrease from 174 to 163 kJ/mol as the AB purity decreased from 93% to 79%. This showed itself in a shortening of the induction period during the AB thermolysis under isothermal conditions. The prospects of using the thermal analysis for estimating NH3BH3 reactivity are discussed.

KW - Activation energy

KW - Ammonia borane

KW - Borates

KW - Hydrogen storage

KW - Kissinger equation

KW - Purity

KW - Thermolysis

KW - COMPLEX

KW - ACID

KW - CARBON

KW - purity

KW - borates

KW - HYDROLYSIS

KW - COMPOSITES

KW - THERMAL-DECOMPOSITION

KW - hydrogen storage

KW - DEHYDROGENATION

KW - thermolysis

KW - activation energy

KW - GENERATION

KW - NH3BH3

KW - ammonia borane

KW - COBALT

UR - http://www.scopus.com/inward/record.url?scp=85071319096&partnerID=8YFLogxK

U2 - 10.3390/inorganics7080096

DO - 10.3390/inorganics7080096

M3 - Article

AN - SCOPUS:85071319096

VL - 7

JO - Inorganics

JF - Inorganics

SN - 2304-6740

IS - 8

M1 - 96

ER -

ID: 21347850