Publication

Ionic liquid electrolyte

Michael Graetzel, Shaik Mohammed Zakeeruddin, Peng Wang, Daibin Kuang
2007
Patents

Abstract

The present invention relates to electrolytes comprising tetracyanoborate and an organic cation as components of electrolytes in electrochemical and/or optoelectronic devices, in particular solar cells. This ionic liquid has low viscosity and can be used as electrolyte in the absence of a solvent. Importantly, the ionic liquid remains stable in solar cells even after prolonged thermal stress at 80 DEG C for 1000 hours. Photovoltaic conversion efficiency remained stable and keeping more than 90% of the initial value.

Official source

https://infoscience.epfl.ch/entities/publication/7453d9f8-df8c-4407-8596-034692dbed3c

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Ionic liquid electrolyte

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