ụfụfụ nickel bụ ihe egwu dị mma nke nwere ọnụọgụ nnabata ụda dị elu n'ogo dị elu; Enwere ike imeziwanye arụmọrụ nnabata ụda ya na obere oge site n'ichepụta ihe owuwu ụda. Ụfụ nickel bụkwa otu n'ime ihe electrode kachasị mma maka ịmepụta batrị cadmium-nickel na batrị hydrogen-nickel. A na-ejikarị nickel foam eme ihe dị ka ihe electrode maka batrị, karịsịa maka batrị NiMH, nke a na-ejikarị na kọmputa laptọọpụ, ekwentị mkpanaaka, igwe eletriki eletrik, igwe eletrik na ụgbọ ala ngwakọ.

A na-eji ụfụfụ nickel mee ihe dị ka ihe nzacha, ihe na-ebugharị magnetik maka ijikwa ihe ndọta n'ime mmiri. Ngwa ndị ọzọ gụnyere ngwa nke mgbasa ozi nchekwa hydrogen, mgbasa ozi mgbanwe okpomọkụ. Ụfụ nickel bụ ihe magburu onwe ya na-eme ka ụda ụda dị elu nke nwere ụda ụda dị elu na ugboro ugboro; Enwere ike imeziwanye arụmọrụ mmịpụta ụda ya na obere oge site na nhazi nke nhazi ụda.
Ụfụ nickel bụkwa otu n'ime ihe electrode kacha mma maka imepụta batrị cadmium-nickel na hydrogen-nickel. Usoro nke ịkwadebe ụfụfụ nickel site na teknụzụ electrodeposition ka emepụtara nke ọma site na nnwale. The mkpụrụ ihe onwunwe eji bụ porous oghe-cell ụfụfụ, na-eji chemical nickel plating, agụụ nickel plating na dipping conductive gel atọ ụzọ nwere ike kwadebere conductive oyi akwa, site tupu plating nickel nwere ike plated na a nkịtị nickel sulfate plating electrolyte oké nickel, mgbe ọkụ, mbelata. Mgbe ọkụ, mbelata, annealing usoro nwere ike nweta ọmarịcha arụmọrụ nke nickel ụfụfụ ihe