Cov roj cell tuaj yeem faib uadaim nyias nyias pauv protoncov roj hlwb (PEMFC) thiab cov roj hlwb methanol ncaj qha raws li cov khoom electrolyte thiab roj siv
(DMFC), phosphoric acid roj cell (PAFC), molten carbonate roj cell (MCFC), solid oxide roj cell (SOFC), alkaline roj cell (AFC), thiab lwm yam. Piv txwv li, proton pauv membrane roj cell (PEMFC feem ntau vam khom raudaim nyias nyias pauv protonhloov proton nruab nrab, alkaline roj hlwb (AFC) siv alkaline dej-raws li electrolyte xws li potassium hydroxide kua ua proton hloov nruab nrab, thiab lwm yam. Tsis tas li ntawd, raws li qhov kub ua haujlwm, roj hlwb tuaj yeem faib ua cov roj hlwb kub siab thiab cov roj hlwb kub qis, tus qub feem ntau suav nrog cov roj hlwb oxide khov kho (SOFC) thiab cov roj hlwb molten carbonate (MCFC), Qhov kawg suav nrog cov roj hlwb proton pauv membrane (PEMFC), cov roj hlwb methanol ncaj qha (DMFC), cov roj hlwb alkaline (AFC), cov roj hlwb phosphoric acid (PAFC), thiab lwm yam.
Proton pauv membraneCov roj hlwb (PEMFC) siv cov dej-raws li acidic polymer daim nyias nyias ua lawv cov electrolytes. PEMFC hlwb yuav tsum ua haujlwm nyob rau hauv cov roj hydrogen ntshiab vim lawv qhov kub ua haujlwm qis (qis dua 100 ° C) thiab kev siv cov hlau electrodes zoo (platinum raws li electrodes). Piv nrog rau lwm cov roj hlwb, PEMFC muaj qhov zoo ntawm qhov kub ua haujlwm qis, pib ceev ceev, lub zog ceev ceev, electrolyte tsis corrosive thiab lub neej ntev. Yog li, nws tau dhau los ua cov thev naus laus zis tseem ceeb tam sim no siv rau cov tsheb roj hlwb, tab sis kuj ib feem siv rau cov khoom siv portable thiab ruaj khov. Raws li E4 Tech, PEMFC roj hlwb xa khoom yuav tsum ncav cuag 44,100 units hauv xyoo 2019, suav txog 62% ntawm thoob ntiaj teb feem; Lub peev xwm kwv yees tau teeb tsa ncav cuag 934.2MW, suav txog 83% ntawm thoob ntiaj teb feem.
Cov roj cell siv cov tshuaj electrochemical los hloov cov zog tshuaj los ntawm roj (hydrogen) ntawm qhov anode thiab oxidant (oxygen) ntawm cathode mus ua hluav taws xob los tsav tag nrho lub tsheb. Tshwj xeeb, cov khoom tseem ceeb ntawm cov roj cell suav nrog lub cav system, lub zog pabcuam thiab lub cev muaj zog; Ntawm lawv, lub cav system feem ntau suav nrog lub cav uas muaj hluav taws xob reactor, lub tsheb hydrogen cia system, lub tshuab txias thiab DCDC voltage converter. Lub reactor yog qhov tseem ceeb tshaj plaws. Nws yog qhov chaw uas hydrogen thiab oxygen sib xyaw. Nws yog tsim los ntawm ntau lub cell ib leeg sib sau ua ke, thiab cov ntaub ntawv tseem ceeb suav nrog bipolar phaj, membrane electrode, kawg phaj thiab lwm yam.
Lub sijhawm tshaj tawm: Lub Yim Hli-23-2022