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Conductivity prediction model for ionic liquids using machine learning
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DOI：10.1063/5.0089568.png)
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Abstract
En 中文
Ionic liquids (ILs) are salts, composed of asymmetric cations and anions, typically existing as liquids at ambient temperatures. They have found widespread applications in energy storage devices, dye-sensitized solar cells, and sensors because of their high ionic conductivity and inherent thermal stability. However, measuring the conductivity of ILs by physical methods is time-consuming and expensive, whereas the use of computational screening and testing methods can be rapid and effective. In this study, we used experimentally measured and published data to construct a deep neural network capable of making rapid and accurate predictions of the conductivity of ILs. The neural network is trained on 406 unique and chemically diverse ILs. This model is one of the most chemically diverse conductivity prediction models to date and improves on previous studies that are constrained by the availability of data, the environmental conditions, or the IL base. Feature engineering techniques were employed to identify key chemo-structural characteristics that correlate positively or negatively with the ionic conductivity. These features are capable of being used as guidelines to design and synthesize new highly conductive ILs. This work shows the potential for machine-learning models to accelerate the rate of identification and testing of tailored, high-conductivity ILs.
Keywords:
ELECTRICAL-CONDUCTIVITY
GREEN SOLVENTS
IMIDAZOLIUM
LITHIUM
ELECTROLYTES
VISCOSITY
POLYMERS
CRYSTAL
SALTS
Journal
IF:
3.1
Papers:
7.2W
Citations:
23.2W
Organization
Cited Papers
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INORGANIC CHEMISTRY
INORGANIC CHEMISTRYIF4.7
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