The electrode nwere - bụ electrostatic nwere ihe dị iche n'etiti electrolyte na electrode. Omume nke ndị dị otú ahụ ikike ruru gbawara ebubo nke na-abụghị na-iriba-ama na interface na-adọ nkewa na-etolite ihe electric abụọ oyi akwa. The gbasara ohere nkewa nke ebubo na interface n'etiti metal electrode na electrolyte ngwọta n'ihi dị otú ahụ phenomena ka nyefe nke metal ion na ngwọta na usoro nke na-ekpebi ihe electrochemical ịha na adsorption nke ion si electrolyte na electrode elu; Ndahie gas n'èzí ghaghị ebubo ion crystal lattice; ndị na-abụghị Coulomb adsorption nke ion ma ọ bụ ụmụ irighiri ihe nke mmiri mmiri na electrode. N'ihi ikpeazụ abụọ phenomena electrode nwere bụ mgbe efu, ọbụna ma ọ bụrụ na, mgbe ihe-ndebe nke metal n'elu bụ hà efu. The zuru uru nke nwere nke a otu electrode na-adịghị kọwaa nke usoro a na-eji ndị tụnyere nke akwụkwọ na ule electrodes. The electrode nwere bụ hà ịdị ukwuu nke na electromotive ike (EMF) , nwetara na electrochemical circuit. N'ihi na mmiri ngwọta ndị dabeere na ya bụ ọsọ iji hydrogen electrodes. Ahụkarị ọcha nke ụdị na-eji dị ka ihe edere na a dịgasị iche iche nke electrochemical nha, na na-na electroplating ngwaọrụ. Hydrogen electrode - a waya ma ọ bụ a efere mere nke metal nke na-amịkọrọ hydrogen gas (na-eji platinum ma ọ bụ palladium). Dị otú ahụ efere-waya nke jupụtara hydrogen na ikuku nsogbu na mgbe mikpuru otu okenye ihe ngwọta ọgaranya hydrogen ion. The nwere nke ndị dị otú ahụ a efere bụ proportional ka ịta nke ion na ngwọta. The mmewere bụ a benchmark, ọ tụrụ ikwu na electrode nwere nke a chemical mmeghachi omume.
N'oge nzukọ nke electrochemical mkpụrụ ndụ dabeere hydrogen na ngwaọrụ kọwaa na a elu nke a platinum otu metal aga mmeghachi omume (reversible), nke pụtara na ọ bụ mgbake usoro ma ọ bụ ọxịdashọn. Ụdị usoro na-adabere na ike nke mmewere na-aga n'ihu mmeghachi omume. hydrogen electrode nwere na-kpebisiri ike efu mgbe hydrogen nrụgide bụ banyere otu ikuku, na proton ịta nke ihe ngwọta - otu mol kwa liter, na okpomọkụ - 298 K. Ọ bụrụ na ndị nyochara mmewere ke akwụkwọ ọnọdụ, i.e. mgbe ion ọrụ na-emetụta ike nke unit, na gas mgbali - 0.101 MPa, a bara uru a na-akpọ a ọkọlọtọ nwere. Site odomo EMF nke electrochemical electrode na ọkọlọtọ ọnọdụ, ịgbakọ ọkọlọtọ electrode nwere nke a chemical mmeghachi omume. A, a bara uru na-tụrụ n'okpuru ọnọdụ ebe niile thermodynamic nwere-mmeghachi omume ọrụ hà ịdị n'otu, na ndị gas mgbali bụ 0.01 * 105Pa. The nwere nke enyocha mmewere a na-ewere na-nti ma ọ bụrụ na a "ugbu a isi iyi" mode na mpụga circuit na electrons akpali site n'aka ekpe gaa n'aka nri ma na electrolyte - na ghaghị ebubo ahụ.