]Omenala metal ọnwụ ebu ogologo nakweere maka batrị electrode efere ọnwụ nke NEV. Mgbe ejiri ya ruo ogologo oge, onye na-egbu osisi nwere ike iyi, na-ebute usoro na-adịghị eguzobe na adịghị mma ịkpụ mma nke efere electrode. Picosecond laser ọnwụ na-edozi nsogbu a, nke ọ bụghị nanị na-eme ka ngwaahịa dị mma na ịrụ ọrụ nke ọma, kamakwa na-ebelata ụgwọ ọrụ zuru oke. Ejiri ya S&A ultrafast laser chiller nke nwere ike idowe ọrụ kwụsiri ike ogologo oge.