( ( Reaction overpotential ) ( ( can ( be ( ( ( reduced or ) eliminated ) ( with ( ( the use ) ( of electrocatalysts ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Reaction) (NNP overpotential)) (VP (MD can) (VP (VB be) (VP (VBN reduced) (CC or) (VBN eliminated) (PP (IN with) (NP (NP (DT the) (NN use)) (PP (IN of) (NP (NNS electrocatalysts)))))))) (. .)))
Reaction overpotential can be reduced or eliminated with the use of electrocatalysts.
(ROOT (S (NP (NP (DT The) (NN difference)) (PP (IN between) (NP (NP (DT the) (JJ theoretical) (JJ half-reaction) (NN reduction) (NN potential)) (CC and) (NP (NP (DT the) (JJ actual) (NN voltage)) (VP (VBN required)))))) (VP (VBZ is) (VP (VBN called) (S (ADJP (JJ overpotential))))) (. .)))