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Publications - ISI Article

Life Cycle Assessment of Electric Vehicle Batteries: An Overview of Recent Literature

Publications - ISI Article

Life Cycle Assessment of Electric Vehicle Batteries: An Overview of Recent Literature

In LCA studies of electric and hybrid vehicles, batteries play a central role and are under the spotlight of the scientific community and public opinion. For this reason, a literature analysis was carried out to understand the extent of the possible impacts generated by batteries for the automotive sector.

Automotive batteries, together with the powertrain, constitute the main differences between electric vehicles and vehicles with internal combustion engines. For this reason, many decision makers and researchers have asked themselves whether the energy and environmental impacts of battery production can outweigh the benefits generated during the vehicle’s use. Within this framework, the aim of this literature analysis is to understand the magnitude and variability of the main impacts of the life cycle of automotive batteries, with particular focus on the impacts of climate change, and to support researchers with some methodological suggestions in the field of the LCA of automotive batteries. The results show that there is a high variability in environmental impact assessment; CO2eq emissions per kWh of battery capacity range from 50 g to 313 g CO2eq/kWh. Nonetheless, using the lower or upper limits of this range, electric vehicles have less impact in their life cycle than the corresponding diesel or petrol vehicles.

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