Xavier Crispin elektrolyte and electrode (IMAGE) Linköping University Caption The electrolyte here is seen in the form of a gel, while the black base is a large-area lignin electrode coated on a metal collector. Credit Thor Balkhed Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.