UmisiriZamagetsi

Kodi elekitirodi kuthekera?

The elekitirodi kuthekera - ndi electrostatic angathe kusiyana pakati pa electrolyte ndi elekitirodi. Zadzidzidzi wa mphamvu chifukwa chakumene milandu amene ali ufalikire chizindikiro pa kulekana mawonekedwe gawo kupanga magetsi wosanjikiza awiri. The okhudza malo kulekana kwa milandu pa mawonekedwe pakati pa elekitirodi zitsulo ndi electrolyte njira chifukwa zochitika monga kulanda ayoni zitsulo mu njira m'kati kukhazikitsa ndi mgwirizano electrochemical ndi kumamatira kwa ayoni ku electrolyte pa pamwamba elekitirodi; kusamutsidwa mpweya kunja ndithu mlandu ion galasi latisi; sanali Coulomb kumamatira kwa ayoni kapena mamolekyulu a madzi pa elekitirodi lapansi. Chifukwa cha yamasika zochitika ziwiri elekitirodi ingathandize konse ziro, ngakhale, pamene mtengo wa pamwamba zitsulo ndi wofanana ndi ziro. Mtheradi kufunika kwa angathe elekitirodi limodzi si kumatanthauza njira imeneyi ntchito kufanana kwa Buku ndi maelekitirodi mayeso. Lingathe elekitirodi ndi wofanana kukula kwa mphamvu electromotive (EMF) , analandira mu dera electrochemical. Njira zothetsera madzi ofotokoza si zachilendo ntchito maelekitirodi wa hydrogen. zinthu Chitsanzo cha mtundu uwu ntchito ngati maumboni zosiyanasiyana miyezo electrochemical, komanso zipangizo electroplating. Haidrojeni elekitirodi - waya kapena mbale amapangidwa ndi zitsulo zimene zimatenga mpweya wa hydrogen (zambiri ntchito pulatinamu kapena palladium). Chotero mbale-waya ladzala ndi wa hydrogen pa kuthamanga mumlengalenga kenako kumizidwa mu amadzimadzi njira wolemera ayoni wa hydrogen. The angathe ngati mbale ndi njila kwa ndende ya ayoni mu njira. Amafotokozera ndi miyeso yolinganizira, izo chimaonekera wachibale lingathe elekitirodi wa mankhwala anachita.

Pa msonkhano wa maselo electrochemical zochokera hydrogen ndi zipangizo kumatanthauza pa pamwamba ndi zitsulo pulatinamu gulu umayenda anachita (kusintha), kutanthauza kapena ndondomeko kuchira kapena makutidwe ndi okosijeni. Mtundu wa ndondomeko zimadalira mphamvu amafotokozera kupitirirabe anachita. elekitirodi wa hydrogen angathe anatsimikiza kukhala ziro pamene kuthamanga wa hydrogen imodzi m'mlengalenga, ndi pulotoni ndende ya njira - mol wina pa lita, ndi kutentha - 298 K. Ngati mchitidwe kusanthula mu zikhalidwe limanena, i.e. pamene ion ntchito zokhudza mphamvu wagawo, ndipo gasi kuthamanga - 0.101 MPa, mtengo uwu umatchedwa angathe muyezo. Ndi kuyeza EMF wa elekitirodi electrochemical zinthu muyezo, kuwerengetsa muyezo elekitirodi angathe mankhwala anachita. Childs, mtengo uwu chimaonekera m'mikhalidwe kumene thermodynamic angathe-anachita ntchito onse wofanana umodzi, ndi kuthamanga mpweya ndi 0.01 * 105Pa. The angathe amafotokozera kufufuzidwa imatengedwa kuti tikhale ngati "panopa gwero" mode mu dera kunja kwa ma elekitironi kusuntha kuchokera kumanzere kupita kumanja ndi electrolyte wa - particles ndithu mlandu.

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