A student builds a galvanic cell utilizing the reaction
\[
Ni(s)+2Ag^+(aq)\rightarrow Ni^{2+}(aq)+2Ag(s)
\]
\[
E^\circ=1.05V
\]
At \(25^\circ C\), what could the student do for the cell to generate a potential greater than that of the initial standard cell?