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Poster: Make Batteries Safe Again

Poster: Make Batteries Safe Again

Author: Halvor Høen Hval
Title: Make Batteries Safe Again
Affiliation: University of Oslo

Abstract

Two techniques have been used to characterize the stability of positive electrode materials under harsh conditions, more specifically at high voltage. These are implemented as the battery is cycling, in so-called operando studies. To combine information from how the structure is changing and the gas production from reactions taking place at the electrode-electrolyte interface, can provide deep knowledge about battery degrading mechanisms. The techniques used in these two approaches are Powder X-ray Diffraction (PXRD) and Mass Spectroscopy (MS), respectively. From considering the structural reversibility of the battery cycling and the set-off voltage of gas production we have a good reference value for the stability of a material.

Full list of posters


Poster: High-Performance Single Crystal Ni-rich LiNi0.8Mn0.1Co0.1O2 cathode materials Enabled by an Ultrathin Surface Coating
Poster: Degradation Phenomena in Silicon-Carbon Composite Anodes from Industrial Battery Grade Silicon
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