Tam sim no, ntau lub teb chaws nyob ib ncig ntawm txhua yam ntawm kev tshawb fawb hydrogen tshiab yog nyob rau hauv tag nrho viav vias, kev teeb meem hauv kev nce qib kom kov yeej. Nrog rau kev nthuav dav ntxiv ntawm qhov ntsuas ntawm hydrogen zog tsim thiab khaws cia thiab kev thauj mus los, tus nqi ntawm hydrogen zog kuj muaj qhov chaw loj los poob. Kev tshawb fawb qhia tau hais tias tag nrho cov nqi ntawm hydrogen zog kev lag luam saw yuav tsum poob los ntawm ib nrab los ntawm 2030. Raws li tsab ntawv ceeb toom koom ua ke tso tawm los ntawm thoob ntiaj teb Hydrogen Energy Commission thiab McKinsey, ntau tshaj 30 lub teb chaws thiab cheeb tsam tau tshaj tawm txoj hauv kev rau hydrogen zog kev loj hlob, thiab thoob ntiaj teb kev nqis peev hauv hydrogen zog tej yaam num yuav ncav cuag 300 billion US dollars los ntawm 2030
Hydrogen roj cell pawg yog tsim los ntawm ntau lub cell cell stacked nyob rau hauv series.Lub phaj bipolar thiab membrane electrode MEA yog overlapped alternately, thiab cov ntsaws ruaj ruaj yog embedded ntawm txhua monomer. Tom qab raug nias los ntawm pem hauv ntej thiab nram qab daim hlau, lawv yog fastened thiab fastened nrog screws los tsim ib tug hydrogen roj cell pawg.
Lub phaj bipolar thiab daim nyias nyias electrode MEA yog sib tshooj ua ke, thiab cov ntsaws ruaj ruaj yog embedded ntawm txhua monomer. Tom qab raug nias los ntawm pem hauv ntej thiab nram qab daim hlau, lawv yog fastened thiab fastened nrog screws los tsim ib tug hydrogen roj cell stack.Tam sim no, qhov tseeb daim ntawv thov yog lubbipolar phaj ua los ntawm cov khoom siv graphite.Cov phaj bipolar ua los ntawm cov khoom siv zoo li no muaj kev ua haujlwm zoo thiab corrosion kuj. Txawm li cas los xij, vim yog qhov yuav tsum tau ua rau huab cua nruj ntawm cov phaj bipolar, cov txheej txheem tsim khoom xav tau ntau cov txheej txheem xws li resin impregnation, carbonization, graphitization thiab tom qab ntws ua haujlwm, yog li cov txheej txheem tsim khoom yog qhov nyuaj thiab tus nqi siab heev, Nws muaj. ua ib qho tseem ceeb txwv tsis pub siv roj cell.
Proton pauv membranefuel cell (PEMFC) tuaj yeem hloov cov tshuaj hluav taws xob ncaj qha rau hauv hluav taws xob hluav taws xob hauv isothermal thiab electrochemical yam. Nws tsis txwv los ntawm lub voj voog Carnot, muaj lub zog hloov pauv siab (40% ~ 60%), thiab huv thiab tsis muaj kuab paug (cov khoom lag luam feem ntau yog dej). Nws raug suav hais tias yog thawj qhov kev siv hluav taws xob zoo thiab huv huv hauv lub xyoo pua 21st. Raws li cov khoom sib txuas ntawm tib lub hlwb hauv PEMFC pawg, cov phaj bipolar feem ntau ua lub luag haujlwm ntawm kev sib cais cov roj sib xyaw ntawm cov hlwb, faib cov roj thiab oxidant, txhawb nqa cov membrane electrode thiab txuas ib lub hlwb hauv cov khoom siv hluav taws xob.
Post lub sij hawm: Jan-10-2022