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Environmental assessment of a new generation battery: The magnesium-sulfur system

dc.contributor.authorTomasini Montenegro, Claudia
dc.contributor.authorPeters, Jens 
dc.contributor.authorBaumann, Manuel
dc.contributor.authorWeil, Marcel
dc.contributor.authorZhao-Karger, Zhirong
dc.contributor.authorWolter, Christopher
dc.identifier.bibliographicCitationJournal of Energy Storage, 2021, v. 35, 102053en
dc.description.abstractAs environmental concerns mostly drive the electrification of our economy and the corresponding increase in demand for battery storage systems, information about the potential environmental impacts of the different battery systems is required. However, this kind of information is scarce for emerging post-lithium systems such as the magnesium-sulfur (MgS) battery. Therefore, we use life cycle assessment following a cradle-to-gate perspective to quantify the cumulative energy demand and potential environmental impacts per Wh of the storage capacity of a hypothetical MgS battery (46 Wh/kg). Furthermore, we also estimate global warming potential (0.33 kg CO2 eq/Wh) , fossil depletion potential (0.09 kg oil eq / Wh), ozone depletion potential (2.5E-08 kg CFC-11/Wh) and metal depletion potential (0.044 kg Fe eq/Wh), associated with the MgS battery production. The battery is modelled based on an existing prototype MgS pouch cell and hypothetically optimised according to the current state of the art in lithium-ion batteries (LIB), exploring future improvement potentials. It turns out that the initial (non-optimised) prototype cell cannot compete with current LIB in terms of energy density or environmental performance, mainly due to the high share of non-active components, decreasing its performance substantially. Therefore, if the assumed evolutions of the MgS cell composition are achieved to overcome current design hurdles and reach a comparable lifespan, efficiency, cost and safety levels to that of existing LIB; then the MgS battery has significant potential to outperform both existing LIB, and lithium-sulfur batteries.en
dc.rights© 2020 Elsevier Ltden
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)en
dc.subjectLife cycle assessmenten
dc.subjectEnergy storageen
dc.subjectPost-lithium battery Lithium-ion battery and climate changeen
dc.subjectMagnesium batteryen
dc.titleEnvironmental assessment of a new generation battery: The magnesium-sulfur systemen
dc.titleEnvironmental assessment of a new generation battery: The magnesium-sulfur systemen
dc.subject.ecienciaEnvironmental scienceen
dc.subject.ecienciaMedio Ambientees_ES
dc.contributor.affiliationUniversidad de Alcalá. Departamento de Economíaes_ES
dc.identifier.publicationtitleJournal of Energy Storageen

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© 2020 Elsevier Ltd
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