Na fasaharLantarki

Mene ne lantarki m?

Lantarki m - ne electrostatic m bambanci tsakanin electrolyte da lantarki. Aukuwa na irin wannan damar saboda fashe zargin da suke daura a alama a ke dubawa lokaci rabuwa ta samar da wani lantarki biyu Layer. A sarari rabuwa na zargin a ke dubawa tsakanin karfe lantarki da kuma electrolyte bayani saboda irin mamaki kamar yadda canja wuri na karfe ions a cikin bayani a kan aiwatar da kafa wani electrochemical ma'auni, kuma adsorption na ions daga electrolyte a lantarki surface. kawar da gas a waje da gaskiya ma cajin ion crystal raga. ba-Coulomb adsorption na ions ko kwayoyin na cikin ruwa a lantarki. Godiya ga karshen biyu mamaki lantarki m ne ba sifili, ko idan, a lokacin da lura da karfe surface ne daidai da sifili. A cikakkar darajar da m na guda lantarki ba a tsare domin wannan hanyar da ake amfani da kwatanta da tunani da kuma gwajin da wayoyin. Lantarki m ne, sunã daidaita da girma na cikin electromotive karfi (EMF) , samu a cikin electrochemical kewaye. Ga ruwa-tushen mafita shi ne na kowa yin amfani da hydrogen wayoyin. Hankula abubuwa na irin wannan aka yi amfani da nassoshi a da dama electrochemical ma'aunai, kuma ma a electroplating na'urorin. Hydrogen lantarki - mai waya ko wata faranti da aka yi da ƙarfe wanda garwaya da hydrogen gas (sau da yawa amfani da platinum, ko palladium). Irin wannan farantin-waya ne tare da cikakken hydrogen a yanayi matsa lamba, sa'an nan kuma a nutsa cikin wani ruwa-ruwa bayani arziki a hydrogen ions. Da m na wannan wani farantin ne na gwargwado ga taro na ions a cikin bayani. A kashi ne a nasa tarihin, shi ne auna dangi zuwa lantarki m wata sunadarai dauki.

A lokacin taron na electrochemical Kwayoyin dangane hydrogen da kuma na'urorin da aka ayyana a kan wani surface na wani platinum kungiyar karfe gudana dauki (reversible), wanda ke nufin ko dawo da tsarin ko hadawan abu da iskar shaka. Irin tsari ya dogara da damar da kashi gudana dauki. hydrogen lantarki m aka ƙaddara zama sifili lokacin da hydrogen matsa lamba ne game da daya yanayi, proton taro na bayani - daya mol da lita, da kuma zazzabi - 298 K. Idan bincikar kashi a cikin tunani yanayi, Ina nufin lokacin da ion aiki shafi da damar da naúrar, da kuma gas matsa lamba - 0.101 MPa, wannan darajar da aka kira wani misali m. By aunawa da EMF na electrochemical lantarki a misali yanayi, kirga misali lantarki m wata sunadarai dauki. Yawanci, wannan darajar da aka auna a karkashin yanayi inda duk thermodynamic m-dauki aiki daidai da hadin kai, da kuma iskar gas matsa lamba ne 0.01 * 105Pa. A m na bari kashi yana dauke su m idan wani "halin yanzu source" yanayin a cikin waje kewaye da electrons matsawa daga hagu zuwa dama, kuma a cikin electrolyte - da gaskiya ma caje barbashi.

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