An energy converting component is an artificial object that is usually a discrete part of an energy transformation unit with the function of transforming, transferring or changing a certain type of energy.
A current collector is an energy converting component that transfers electrical energy between a stationary conductor and a grid supplied electric vehicle.
A water electrolyser is an energy converting component that uses an electric current to decompose water into hydrogen and oxygen gas. Electrical energy is converted into chemical energy (and waste heat).