Hydrogen, raws li ib tug xoom-carbon zog cov cab kuj nrog hydrogen kev siv tau los ntawm kev ua lag luam hauv ntiaj teb no, thiab ntau dua})}}} suav rau ntau tshaj 80% ntawm tag nrho cov hluav taws xob cov hluav taws xob yooj yim {}}
Tam sim no, mainstream electrolyees thev naus laus zis tshuab hluav taws xob muaj cov khoom siv hluav taws xob ntau (} nyiam cov cuab yeej technology rau cov khoom lag luam hydrogen ntau heev {4 4}} syorsolyzer cov khoom siv nrog kev ua haujlwm ruaj khov, thiab muaj ntau yam kev ua tau zoo hauv ob xyoos.
Rau alkaline electrolyzer, electrode thiab diaphragm, raws li cov ntaub ntawv tseem ceeb, kom ua tau cov roj hluav taws xob, yog li ua kom cov roj siv hluav taws xob, yog li ua kom cov roj siv hluav taws xob ntau, thiab txhim kho lub neej ntawm lub electrolyzer. sany hydrogen zog thiab ib theem kev ua haujlwm tseem ceeb ntawm cov ntaub ntawv tseem ceeb ntawm cov ntaub ntawv tseem ceeb ntawm cov ntaub ntawv tseem ceeb rau cov electrolyzer {}}
Feem ntau ntawm cov electrodes
Cov alkaline electrolyzer muaj ob peb lub tsev me, txhua qhov uas muaj ob lub ntsej muag), thiab thaj chaw generolyzer yog sib npaug ntawm cov electrolyzer {}}
(Daim duab: Schematic ntawm alkaline electrolyzer thiab elecodes)
Tam sim no, muaj ntau cov electrodes rau hydrogen ntau lawm los ntawm alkaline electrolyzed dej muaj nyob rau ntawm kev ua lag luam thiab hauv kev tshawb fawb thiab kev txhim kho:
Cov neeg ua yeeb yam zoo tshaj plaws yog cov hluav taws xob ua los ntawm cov khoom siv hlau uas muaj nqis (PTall)} Tus Itali siab cov khoom siv hlau hlau hluav taws xob los ntawm kev sib txuas nrog cov ntaub ntawv ceev faj los ntawm kev ua haujlwm ntev los ntawm kev ua haujlwm ntev, thiab nws tuaj yeem khaws cia rau kev ua haujlwm hauv hluav taws xob thiab cov khoom siv hluav taws xob pom tias yog qhov ua rau muaj kev cuam tshuam nrog 000 teev Xyoob {. Cov hluav taws xob tau raug pov thawj ua pov thawj thiab tam sim no cov ntaub ntawv txiav txim siab rau dej kev txiav txim siab ntawm lawv cov nqi siab thiab muaj peev xwm ntim tau.
Rau qhov tseeb kev tshawb fawb tshawb fawb ntawm cov elecbon-bood electrodes, thiab ntau yam ntawm cov qauv kev lag luam tus kheej, thiab ntau yam ntawm cov txheej txheem kev lag luam zoo ib yam, thiab nyuaj rau cov txheej txheem, kev tshawb fawb nyuaj thiab kev txhim kho cov ntaub ntawv tshiab thiab cov nqi ntau lawm thiab lwm yam kev tsim khoom ntawm cov ntaub ntawv tshiab, thiab lwm yam khoom siv hluav taws xob, thiab lwm yam kev tsim khoom loj thiab cov ntawv thov nyuaj.
Tam sim no, tsis muaj nuj nqis hlau (NI Kev ua haujlwm siab catalyst hluav taws xob, thiab cov hluav taws xob kho nrog kev kho kom nrawm dua yog qhov ua kom muaj zog me me, pom cov nqi-rau-nyiaj electrodes {}}
Nrog rau kev ua haujlwm txuas ntxiv ntawm cov khoom lag luam electrode, qhov yuav tsum tau mus ua kom muaj txiaj ntsig zoo, kev txhim kho Raney cov khoom siv lossis cov hluav taws xob tshwj xeeb nrog ntau cov haujlwm, sib sau cov qauv ntxig ntawm cov catalyst, yog li ntawd muaj ntau qhov chaw tsim hluav taws xob, yog li ntawd muaj ntau yam kev ua tau zoo ntxiv .
(Daim duab: Schematic ntawm kev npaj ntawm ntau yam hluav taws xob alkaline)
Nrog cov khoom lag luam ntau ntau ntawm cov khoom lag luam ntawm kev ua lag luam, koj yuav xaiv qhov zoo tshaj plaws?
Syy hydrogen kuaj thiab chaw kuaj xyuas muab cov khoom lag luam electrode rau cov khoom lag luam electrode, thiab xaiv tau cov khoom siv hluav taws xob ua tiav raws li cov khoom lag luam electrode, thiab xaiv cov khoom siv hluav taws xob zoo dua lossis tsis muaj txiaj ntsig; Cov khoom lag luam hauv nruab nrab tab sis kev ua haujlwm ntev ua tsis tau zoo, thiab tom qab ntawd cov khoom siv hluav taws xob, yog li ua kom tiav cov hluav taws xob ntxiv, yog li kom ua tiav cov khoom siv hluav taws xob ntxiv cov khoom lag luam nrog cov lus tseeb thiab cov ntaub ntawv.
Pom qhov tsawg tshaj plaws ntawm diaphragms
Rau cov khoom siv alkaline muaj txiaj ntsig, ntxiv rau kev ua haujlwm ntawm cov tshuab hluav taws xob, tab sis kuj cuam tshuam nrog kev ua haujlwm zoo rau kev nyab xeeb, tab sis kuj tseem cuam tshuam cov khoom siv kev nyab xeeb, tab sis kuj tseem cuam tshuam cov khoom siv tshuaj sib cais, Cov pa hluav taws xob ntau, cov tuab tuab, muaj zog dua, thiab lub sijhawm ntev nyob rau hauv cov kub thiab siab siab.
Alkaline dej electrolysis tau tsim los ntawm 3 tiam ntawm asbestos, pps diaphragm thiab composite diaphragm .
Asbestos diaphragm yog cov tsoos alkaline electrolyzer diaphragm, uas muaj qhov kub thiab txias, tab sis tau raug tshem tawm vim Carcinogenicity .
PPS diaphragm has excellent heat resistance, high mechanical strength, and excellent electrical properties, but due to poor hydrophilicity, large thickness (>500 μm) thiab loj los ntawm qhov loj me, nws feem ntau yog txhim kho nws cov txheej txheem hydrophilicity thiab lwm yam los txhim kho cov olirophilicity} Txawm li cas los xij, nws tseem nyuaj rau kev daws tau cov teeb meem xws li cov pa roj tsis zoo .
Qhov thib peb ntawm diaphragm yog coated nrog inorganic functional txheej txheej ntawm cov txheej txheem diaphragm muaj cov qauv yooj yim, uas tsis yog tsuas yog txhim kho cov hydrophilicity thiab cua teeb meem, tab sis kuj txo cov ionic tsis kam thiab tuab ntawm lub diaphragm {2.
(Daim duab: Electrolytic cov ntaub ntawv dej voltage (4 KA / M2) rau cov tib neeg electrolytic cell nrog txawv diaphragms)
At present, domestic and foreign composite diaphragm has been successfully commercialized in the electrolyzer case, the future of the diaphragm materials will be based on the composite diaphragm, towards the development of higher corrosion resistance, to prevent hydrogen and oxygen cross-penetration, as well as a higher ionic conductivity of the diaphragm direction, in order to effectively reduce the energy consumption, and at the same lub sijhawm, los txhim kho qhov kev coj dawb huv ntawm hydrogen roj kom ntau li ntau tau .
Syy hydrogen zog muaj cov qauv nruj thiab cov txheej txheem ntawm kev kuaj mob hluav taws xob sib tw, nrog rau kev ntsuas cua ntau tshaj li 10}}}, kom muaj kev nkag siab ntawm kev ntsuas ntawm pps diaphragm . Tom qab cov khoom ua haujlwm tau siv los ua kom tau cov ntaub ntawv hluav taws xob, thiab cov ntaub ntawv ua haujlwm tau ua tiav rau cov qauv tshuaj lom zem, thiab cov ntaub ntawv ua haujlwm tiag tiag kev siv cov haujlwm ua haujlwm tiag tiag, hauv lub ntsej muag ntawm cov kev ntsuas ntawm diaphragm xws li tsis muaj kev nyab xeeb, thiab muaj kev nyab xeeb, txhim kho kev nyab xeeb thiab muaj kev nyab xeeb, .
Cov cuab yeej siv hluav taws xob alkaline uas twb muaj lawm, yooj yim thiab tus nqi siv hluav taws xob ntau ntxiv, thiab cov neeg siv hluav taws xob ntau rau cov roj av tsawg thiab lwm cov liaj teb yuav xav tau electrolisssis luj
Txawm li cas los xij, cov thev naus laus zis tam sim no tsuas yog siv hluav taws xob ib zaug ntxiv rau cov khoom siv roj ntsha electrolysis muaj cov khoom siv tshiab diaphragms tau dhau los ua ib qho ntawm cov lus qhia tseem ceeb rau kev tshawb fawb thiab qhov kawg kev lag luam khoom siv thiab kev ua tau zoo cov nqi rau cov nyiaj {}}
Sany hydrogen muaj qhov kev nkag siab meej ntawm cov kev taw qhia ntawm electrolyzer rau cov khoom siv hluav taws xob rau cov khoom lag luam hauv hydrogen .
Yav tom ntej, Sany Hydrogen yuav txuas ntxiv rau kev tsim kho ntawm xya tus txheej txheem kev tsim kho, thiab kev ntsuas hluav taws xob zoo siab rau kev koom tes nrog kev sib koom tes nrog cov neeg lag luam, tsim Institutes, tus neeg muag khoom, cov koom haum tshawb fawb, thiab lwm cov kev daws teeb meem ntawm hydrogen zog cov kev daws teeb meem ntawm "ob carbon" {{4}
Muab cov ntawv xa mus rau:
1.} Bridging Labortrocatalyals Nrog Kev Lag Luam Kev Lag Luam Electrolyzers
{2.} Nyeem txog cov yam ntxwv ntawm diaphragm thiab anode cov khoom siv rau hydrogen ntau lawm los ntawm alkaline electrolytic dej
