Gucapa umubyimba ni ubwoko bwimiti ikoreshwa cyane mubikorwa byo gucapa.Kole hamwe namabara bizakoreshwa mugucapura inganda.Muri icyo gihe, kubera ko imbaraga zo kogosha cyane mugihe cyo gutunganya bizagabanya ubudahwema, umubyimba uzakoreshwa kugirango wongere ibikoresho byo gucapa.Muri iki gihe, hazakoreshwa imashini icapa.
Gucapa ibyimbye bigabanijwemo ibyiciro bibiri, aribyo bitari ionic na anionic.Molekile ni polyethylene glycol ethers.Anion ahanini ni polymer electrolyte.Gucapa ibyuma bikoreshwa cyane mugucapa imyenda no gusiga irangi, gutwika, wino nizindi nganda.