MRSST a new method to evaluate thermal stability of electrolytes for lithium ion batteries

Gerardine G. Botte; Timothy J. Bauer

doi:10.1016/S0378-7753(03)00247-7

MRSST a new method to evaluate thermal stability of electrolytes for lithium ion batteries

Gerardine G. Botte, Timothy J. Bauer

Research output: Contribution to journal › Conference article

16 Scopus citations

Abstract

The use of the Modified Reactive System Screening Tool (MRSST) to study the thermal stability of electrolytes for lithium ion batteries was demonstrated. Important data for the understanding of the thermal behavior of lithium ion batteries (vapor liquid equilibrium data, heat capacity, heats of vaporization, reaction rates, and heats of reaction) can be obtained with the MRSST. The technique also allows sampling of the system (gas phase or liquid phase) at any time. The thermal stability of EMC and EC was analyzed using the MRSST. The results indicated that EMC is thermally stable until 320 °C, while the EC decomposes at 263 °C generating gases such as CO₂, O₂, and H₂. The effect of O₂ on the thermal stability of EMC was also studied. It was found that EMC thermally decomposes in the presence of O₂ between 220 and 235 °C generating non-condensable gases such as CO₂.

Original language	English
Pages (from-to)	815-820
Number of pages	6
Journal	Journal of Power Sources
Volume	119-121
DOIs	https://doi.org/10.1016/S0378-7753(03)00247-7
State	Published - Jun 1 2003
Event	Selected Papers Presented at the 11th IMLB - Monterey, CA, United States Duration: Jun 22 2002 → Jun 28 2002

Keywords

Electrolyte decomposition
Gas evolution
Modified Reactive System Screening Tool
Thermal runaway
Thermal stability

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10.1016/S0378-7753(03)00247-7

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Botte, G. G., & Bauer, T. J. (2003). MRSST a new method to evaluate thermal stability of electrolytes for lithium ion batteries. Journal of Power Sources, 119-121, 815-820. https://doi.org/10.1016/S0378-7753(03)00247-7

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title = "MRSST a new method to evaluate thermal stability of electrolytes for lithium ion batteries",

abstract = "The use of the Modified Reactive System Screening Tool (MRSST) to study the thermal stability of electrolytes for lithium ion batteries was demonstrated. Important data for the understanding of the thermal behavior of lithium ion batteries (vapor liquid equilibrium data, heat capacity, heats of vaporization, reaction rates, and heats of reaction) can be obtained with the MRSST. The technique also allows sampling of the system (gas phase or liquid phase) at any time. The thermal stability of EMC and EC was analyzed using the MRSST. The results indicated that EMC is thermally stable until 320 °C, while the EC decomposes at 263 °C generating gases such as CO2, O2, and H2. The effect of O2 on the thermal stability of EMC was also studied. It was found that EMC thermally decomposes in the presence of O2 between 220 and 235 °C generating non-condensable gases such as CO2.",

keywords = "Electrolyte decomposition, Gas evolution, Modified Reactive System Screening Tool, Thermal runaway, Thermal stability",

author = "Botte, {Gerardine G.} and Bauer, {Timothy J.}",

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TY - JOUR

T1 - MRSST a new method to evaluate thermal stability of electrolytes for lithium ion batteries

AU - Botte, Gerardine G.

AU - Bauer, Timothy J.

PY - 2003/6/1

Y1 - 2003/6/1

N2 - The use of the Modified Reactive System Screening Tool (MRSST) to study the thermal stability of electrolytes for lithium ion batteries was demonstrated. Important data for the understanding of the thermal behavior of lithium ion batteries (vapor liquid equilibrium data, heat capacity, heats of vaporization, reaction rates, and heats of reaction) can be obtained with the MRSST. The technique also allows sampling of the system (gas phase or liquid phase) at any time. The thermal stability of EMC and EC was analyzed using the MRSST. The results indicated that EMC is thermally stable until 320 °C, while the EC decomposes at 263 °C generating gases such as CO2, O2, and H2. The effect of O2 on the thermal stability of EMC was also studied. It was found that EMC thermally decomposes in the presence of O2 between 220 and 235 °C generating non-condensable gases such as CO2.

AB - The use of the Modified Reactive System Screening Tool (MRSST) to study the thermal stability of electrolytes for lithium ion batteries was demonstrated. Important data for the understanding of the thermal behavior of lithium ion batteries (vapor liquid equilibrium data, heat capacity, heats of vaporization, reaction rates, and heats of reaction) can be obtained with the MRSST. The technique also allows sampling of the system (gas phase or liquid phase) at any time. The thermal stability of EMC and EC was analyzed using the MRSST. The results indicated that EMC is thermally stable until 320 °C, while the EC decomposes at 263 °C generating gases such as CO2, O2, and H2. The effect of O2 on the thermal stability of EMC was also studied. It was found that EMC thermally decomposes in the presence of O2 between 220 and 235 °C generating non-condensable gases such as CO2.

KW - Electrolyte decomposition

KW - Gas evolution

KW - Modified Reactive System Screening Tool

KW - Thermal runaway

KW - Thermal stability

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Y2 - 22 June 2002 through 28 June 2002

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