Poster Prize

A poster contribution led by MEET researcher Dr Aurora Gómez Martín was awarded with the first prize at “Swiss Battery Days 2020/21”. The poster is entitled “Towards Low Cost and More Sustainable Ni-rich NMC-Type Layered Oxide Cathodes for Lithium-Ion Batteries” and is based on a cooperation between MEET Battery Research Center of the University of Münster and Helmholtz Institute Münster (HI MS) of Forschungszentrum Jülich. The research team focused on approaches for sustainability and cost reduction of layered cathode materials for lithium-ion batteries. Ni-rich cathodes were produced using a novel Couette-Taylor-Flow reactor to enable a higher energy content at the material level. Different modification approaches and strategies for the development of electrochemically stable layered oxides were also presented. Emphasis was placed on surface modifications by protective coatings and aqueous processing routes. The surface-modified materials with decreased cobalt and increased nickel content showed less degradation effects and improved capacity retention due to minimised parasitic reactions. Possible binder formulations for aqueous cathode electrode processing were systematically evaluated and can reduce both costs and environmental impact of cathode production.