Thermal Stability and Structural Studies on the Mixtures of Mg(BH4)2 and Glymes

Noemi Leick; Ba Tran; Mark Bowden; Thomas Gennett; Tom Autrey

doi:10.1039/D2DT01106A

Thermal Stability and Structural Studies on the Mixtures of Mg(BH4)2 and Glymes

Noemi Leick, Ba Tran, Mark Bowden, Thomas Gennett, Tom Autrey

Chemistry and Nanoscience

Research output: Contribution to journal › Article › peer-review

3 Scopus Citations

Abstract

Coordination complexes of Mg(BH₄)₂ are of interest for energy storage, ranging from hydrogen storage in BH₄ to electrochemical storage in Mg based batteries. Understanding the stability of these complexes is crucial since storage materials are expected to undergo multiple charging and discharging cycles. To do so, we examined the thermal stabilities of the 1 : 1 mixtures of Mg(BH₄)₂ with different glymes by DSC-TGA, TPD-MS and powder XRD analysis. Despite their structural similarities, these mixtures show diverse phase transitions, speciations and decomposition pathways as a function of linker length.

Original language	American English
Pages (from-to)	7268-7273
Number of pages	6
Journal	Dalton Transactions
Volume	51
Issue number	18
DOIs	https://doi.org/10.1039/D2DT01106A https://doi.org/10.1039/d2dt01106a
State	Published - 2022

Bibliographical note

Publisher Copyright:
© 2022 The Royal Society of Chemistry

NREL Publication Number

NREL/JA-5900-81930

Keywords

glyme
hydrogen storage
magnesium borohydride

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https://www.nrel.gov/docs/fy22osti/81930.pdf

Cite this

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title = "Thermal Stability and Structural Studies on the Mixtures of Mg(BH4)2 and Glymes",

abstract = "Coordination complexes of Mg(BH4)2 are of interest for energy storage, ranging from hydrogen storage in BH4 to electrochemical storage in Mg based batteries. Understanding the stability of these complexes is crucial since storage materials are expected to undergo multiple charging and discharging cycles. To do so, we examined the thermal stabilities of the 1 : 1 mixtures of Mg(BH4)2 with different glymes by DSC-TGA, TPD-MS and powder XRD analysis. Despite their structural similarities, these mixtures show diverse phase transitions, speciations and decomposition pathways as a function of linker length.",

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AU - Leick, Noemi

AU - Tran, Ba

AU - Bowden, Mark

AU - Gennett, Thomas

AU - Autrey, Tom

PY - 2022

Y1 - 2022

N2 - Coordination complexes of Mg(BH4)2 are of interest for energy storage, ranging from hydrogen storage in BH4 to electrochemical storage in Mg based batteries. Understanding the stability of these complexes is crucial since storage materials are expected to undergo multiple charging and discharging cycles. To do so, we examined the thermal stabilities of the 1 : 1 mixtures of Mg(BH4)2 with different glymes by DSC-TGA, TPD-MS and powder XRD analysis. Despite their structural similarities, these mixtures show diverse phase transitions, speciations and decomposition pathways as a function of linker length.

AB - Coordination complexes of Mg(BH4)2 are of interest for energy storage, ranging from hydrogen storage in BH4 to electrochemical storage in Mg based batteries. Understanding the stability of these complexes is crucial since storage materials are expected to undergo multiple charging and discharging cycles. To do so, we examined the thermal stabilities of the 1 : 1 mixtures of Mg(BH4)2 with different glymes by DSC-TGA, TPD-MS and powder XRD analysis. Despite their structural similarities, these mixtures show diverse phase transitions, speciations and decomposition pathways as a function of linker length.

KW - glyme

KW - hydrogen storage

KW - magnesium borohydride

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U2 - 10.1039/D2DT01106A

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JO - Dalton Transactions

JF - Dalton Transactions

IS - 18

ER -

Thermal Stability and Structural Studies on the Mixtures of Mg(BH4)2 and Glymes

Abstract

Bibliographical note

NREL Publication Number

Keywords

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