1. Transparent conducting screens for electric and other apparatus;Ayrton;J. Int. Elec. Eng.,1894
2. Stretchable, transparent, ionic conductors;Keplinger;Science (1979),2013
3. Ionic skin;Sun;Adv. Mater.,2014
4. Ionic cable
5. Hydrogel microphones for stealthy underwater listening;Gao;Nat. Commun.,2016