ZvigadzirwaElectronics

Chii electrode kuita?

The electrode zvinogona - ndiro electrostatic zvinogona kusiyana electrolyte uye electrode. Panowanikwa tinokwanisa kwakadaro kunofanira raputika mhosva dziri pakatarisana ari chiratidzo panguva inowanikwa danho kuparadzana iumbe yemagetsi kaviri rukoko. The spatial kupatsanurwa mhosva pane inowanikwa pakati simbi electrode uye electrolyte mhinduro nokuda mananara dzakadai kuchinjwa zvesimbi ions zviri mhinduro iri mubishi pave ane electrochemical zvakanyatsoenzana uye adsorption pakati ions kubva electrolyte panguva electrode pamusoro; misha gasi kunze chokwadi mhosva Ion rekristaro yekamuri; non-Coulomb adsorption pakati ions kana mamorekuru nemvura panguva electrode. Nemhaka ekupedzisira maviri mananara electrode zvinogona hakuna razero, kunyange kana, kana nokubatira simbi pamusoro akaenzana razero. The Mhedziso kukosha zvinogona kuitwa chete electrode hauna kunorondedzerwa kuti nzira iri kushandiswa fananidzo nezvezvinotaurwa uye bvunzo electrodes. The electrode zvinogona akaenzana kwakakura pakati electromotive simba (EMF) , vakawana pakati electrochemical remudunhu. Nokuti mvura anotsanangura zvinogadzirisa zvakajairika kushandisa rehydrogen electrodes. Typical zvinhu izvi mhando zvinoshandiswa zvavaishandisa dzakasiyana-siyana electrochemical kuyerwa, uyewo electroplating namano. Rehydrogen electrode - a waya kana ndiro yakagadzirwa nesimbi iyo absorbs rehydrogen gasi (dzinowanzotaura Platinum kana palladium). Kwakadaro ndiro-waya yakazara rehydrogen panguva mumhepo kumanikidzwa uye ipapo achinyatsotaurira imwe aqueous mhinduro akapfuma rehydrogen ions. Zvingakwanisa ndiro yakadaro ndiyo Proportional kuti wevasungwa pamusoro ions mune mhinduro. The chinhu iri chipimo, zvinonzi akayera hama kuti electrode zvinogona makemikari kuita.

Panguva ungano masero electrochemical kwakavakirwa rehydrogen uye namano kunorondedzerwa pamusoro pemvura rimwe Platinum boka simbi runoyerera maitiro (reversible), izvo zvinoreva kana kupora kwacho kana oxidation. Mhando kwacho kunobva vachikwanisa ari chinhu mberi kuita. rehydrogen electrode zvinogona akatsunga kuva razero apo hydrogen kufurirwa anenge imwe mhepo, Purotoni wevasungwa chemhinduro - imwe mol pa fő, uye tembiricha - 298 K. Kana vakaongorora chinhu nezvezvinotaurwa ezvinhu, i.e. apo Ion basa kukanganisa vanokwanisa pakati chikwata, uye gasi kumanikidzwa - 0.101 MPa, ukoshi ichi anonzi mureza zvinogona. Nokuyera EMF of electrochemical electrode mune mwero ezvinhu, pakuverenga mureza electrode zvinogona makemikari kuita. Kazhinji, ukoshi ichi kunoyerwa mumamiriro ezvinhu apo vose thermodynamic zvinogona-maitiro basa akaenzana kubatana, uye gasi kufurirwa ndiyo 0.01 * 105Pa. Zvinogona of achiongorora chinhu anoonekwa kuva akanaka kana munhu "kuitika tsime" nzira iri kwokunze redunhu maerekitironi vanotama kubva kuruboshwe kuenda kurudyi uye electrolyte - iri chokwadi mhosva inoramba.

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