Supervised Machine Learning-Based Classification of Li-S Battery Electrolytes

Jeschke, Steffen,1986Chalmers tekniska högskola,Chalmers University of Technology (författare)

Machine learning (ML) approaches have the potential to create a paradigm shift in science, especially for multi-variable problems at different levels. Modern battery R&D is an area intrinsically dependent on proper understanding of many different molecular level phenomena and processes alongside evaluation of application level performance: energy, power, efficiency, life-length, etc. One very promising battery technology is Li-S batteries, but the polysulfide solubility in the electrolyte must be managed. Today, many different electrolyte compositions and concepts are evaluated, but often in a more or less trial-and-error fashion. Herein, we show how supervised ML can be applied to accurately classify different Li-S battery electrolytes a priori based on predicting polysulfide solubility. The developed framework is a combined density functional theory (DFT) and statistical mechanics (COSMO-RS) based quantitative structure-property relationship (QSPR) model which easily can be extended to other battery technologies and electrolyte properties.

Johansson, Patrik,1969Chalmers tekniska högskola,Chalmers University of Technology,Centre national de la recherche scientifique (CNRS)(Swepub:cth)jpatrik (författare)
Chalmers tekniska högskolaCentre national de la recherche scientifique (CNRS) (creator_code:org_t)

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