Igishushanyo cya peteroli ya kokiya ni ibikoresho bidasanzwe bifite imiterere yihariye. Nibibyara umusaruro wo gutunganya peteroli yatunganijwe kugirango igere kumiterere isa na grafite.
Ibi bikoresho bifite karubone nyinshi, itanga uburyo bwiza cyane. Ikoreshwa cyane mu nganda zitandukanye, cyane cyane mu gukora electrode ku ziko ry’amashanyarazi.