Robuta

https://www.sciencenews.org/article/shark-jelly-strong-proton-conductor
A jelly found in sharks and skates, which helps them sense electric fields, is a strong proton conductor.
proton conductorsharkjellystrong
https://www.mdpi.com/1420-3049/30/5/1086
Multifunctional materials bearing photoluminescence, single-molecule magnet (SMM) behavior, and proton conduction have been particularly attractive for various...
proton conductorluminescentbasedsmm