1 Regionalized life cycle assessment of present and future lithium 1 production for Li-ion batteries 2 Authors: Vanessa Schenker 1,2 , Christopher Oberschelp 1,2 , Stephan Pfister 1 3 Affiliations: 4 1 Institute of Environmental Engineering, ETH Zürich, John-von-Neumann-Weg 9, 8093 Zürich, 5 Switzerland 6 2 National Centre of Competence in Research (NCCR) Catalysis, ETH Zürich, Zürich, Switzerland 7 Corresponding author: Vanessa Schenker, vanessa.schenker@ifu.baug.ethz.ch, twitter: @schvanes 8 Contacts of co-author: Dr. Christopher Oberschelp, christopher.oberschelp@ifu.baug.ethz.ch 9 Contacts of co-author: Dr. Stephan Pfister, stephan.pfister@ifu.baug.ethz.ch 10 This paper is a non-peer reviewed preprint submitted to EarthArXiv. This study has been submitted for 11 peer-review and publication in Resources, Conservation and Recycling. 12 13