Pem Electrolysis System

Proton exchange membrane (PEM) electrolysis yog cov electrolysis ntawm cov dej nyob rau hauv ib lub cell uas muaj ib tug khoom polymer electrolyte (SPE) uas yog lub luag hauj lwm rau conduction ntawm protons, sib cais ntawm cov khoom gases, thiab hluav taws xob rwb thaiv tsev ntawm cov electrodes.

Xa kev nug

Khoom Taw qhia

Koj Tus Thawj Coj SANY Hydrogen Energy Co., Ltd

Kev tsom mus rau R&D, kev tsim khoom thiab muag cov khoom siv hydrogen tsim thiab refueling thiab cov khoom tseem ceeb rau lub voj voog kaw tag nrho ecological industrial chain featured los ntawm lub zog ntsuab, hydrogen zog thiab cov khoom siv kawg, SANY Hydrogen Energy Co., Ltd. yog lub ntiaj teb no. cov neeg muab kev pabcuam ntawm pob kev daws teeb meem rau cov khoom siv hluav taws xob hydrogen, uas tau cog lus los muab cov neeg siv khoom thoob ntiaj teb nrog GW-theem ultra-loj-scale pob kev daws teeb meem on-grid / off-grid hydrogen ntau lawm los ntawm cua thiab hnub ci zog.

Vim li cas thiaj xaiv peb?

Siab zoo

Peb cov khoom yog tsim los yog ua raws li cov qauv siab heev, siv cov ntaub ntawv zoo tshaj plaws thiab cov txheej txheem tsim khoom.

Tus nqi sib tw

Peb muab cov khoom lag luam zoo dua lossis kev pabcuam ntawm tus nqi sib npaug. Yog li ntawd peb muaj kev loj hlob thiab loyal cov neeg siv khoom.

Kev xa khoom thoob ntiaj teb

Peb cov khoom txhawb nqa thoob ntiaj teb shipping thiab logistics system ua tiav, yog li peb cov neeg siv khoom thoob plaws ntiaj teb.

Kev paub nplua nuj

Peb lub tuam txhab muaj ntau xyoo ntawm kev ua haujlwm ntau lawm. Lub tswv yim ntawm cov neeg siv khoom-oriented thiab yeej-yeej kev koom tes ua rau lub tuam txhab paub tab thiab muaj zog.

Kev pab cuam tom qab muag

Kev tshaj lij thiab kev xav tom qab-muag pab neeg, cia koj txhawj xeeb txog peb tom qab-sales Intimate kev pabcuam, muaj zog tom qab-kev pabcuam pabcuam.

Cov cuab yeej siv siab heev

Lub tshuab, cov cuab yeej lossis cov cuab yeej tsim los nrog cov thev naus laus zis thiab kev ua haujlwm kom ua tau cov haujlwm tshwj xeeb nrog ntau dua precision, efficiency thiab kev ntseeg tau.

Yam khoom

200 Pem Electrolyzer

Lub ntim me me
Kev khiav hauj lwm tam sim no ceev (1.5 ~ 3A / cm²)
Thickness ntawm cov tub ntxhais cheeb tsam ntawm lub tank tsawg tshaj li 1m
Skid-mounted integrated auxiliary tswj system
Kev ua haujlwm siab

Pem Electrolyzer Stack

Proton Txau Membrane Electrolyzer

Thermal efficiency siab dua 75%
Nyiam PEM membrane electrodes ntawm thoob ntiaj teb ua theem
Muaj zog expandability

Proton Exchange Membrane Pem Electrolysis

Compatible los ua ke program
Tsim los ua kom tau raws li qhov xav tau ntawm cov khoom sib txawv tank
Skid-mounted platform kev koom ua ke

Plug fais fab Pem Electrolyzer

Kev ua haujlwm siab
DC fais fab tuag qis dua 4.3 kWh / Nm³
Thermal efficiency siab dua 75%

Pem Green Hydrogen Electrolyser

Tsawg dua 5 vib nas this rau qhov pib kub, tsawg dua 300 vib nas this rau qhov pib txias
Adaptable rau load variations ntawm 5-120%
Txheeb xyuas cyclic pib / nres kev ua haujlwm thiab lub sijhawm ua haujlwm

Pem Dej Electrolyser

Thickness ntawm cov tub ntxhais cheeb tsam ntawm lub tank tsawg tshaj li 1m
Skid-mounted integrated auxiliary tswj system
Kev ua haujlwm siab

New Arrival Pem Electrolyzer

Pem Hydrogen Electrolysis

Self-tsim dual-xaim sealing kev pab cuam
Multi-gas sensor xyuas thiab tswb interlock
Siab, kub tsis kam thiab hydrogen ntau lawm Circuit Court logic tswj

PEM Electrolysis System yog dab tsi?

Cov txiaj ntsig ntawm PEM Electrolysis System

● Nws tsis tas yuav siv cov electrolytes. Qhov no txhais tau hais tias cov dej huv huv tuaj yeem ua haujlwm, ua kom muaj txiaj ntsig zoo.

PEM electrolysis tuaj yeem ua haujlwm dhau ntawm ntau qhov ceev tam sim no. Feem ntau, qhov ceev tam sim no hauv PEM electrolysis tshuab tuaj yeem sib txawv los ntawm qhov qis li 0.2 A / cm² mus rau siab li 2 A / cm² lossis ntau dua, nyob ntawm seb tus qauv tsim thiab kev ua haujlwm ntawm PEM electrolyzer. Lub peev xwm (tam sim no qhov ceev) cuam tshuam qhov loj ntawm electrolyzer thiab yog li PEM electrolysis feem ntau muab cov hneev taw ntau dua piv rau cov dej alkaline electrolysis, ua rau nws muaj txiaj ntsig zoo rau kev siv qhov chaw ua haujlwm yog qhov tseem ceeb ntawm kev xav.

● Lwm qhov txiaj ntsig tseem ceeb yog PEM lub peev xwm los hloov kho sai sai rau qib zog hloov pauv hauv vib nas this.
Kev tuav tswj qhov muaj peev xwm tshaj qhov hluav taws xob degradation qis dua 100 mV / xyoo yog ib lub hom phiaj rau PEM electrolysis systems. Txawm li cas los xij, nws yog ib qho tseem ceeb kom paub tias qhov tseeb degradation tus nqi tuaj yeem sib txawv nyob ntawm qhov ua haujlwm thiab kev saib xyuas. Kev tsim kho thiab kev ua tau zoo ntawm electrolyzer, uas yog txiav txim los ntawm cov chaw tsim khoom qub, ua lub luag haujlwm tseem ceeb hauv kev cuam tshuam cov nqi degradation. Yog li, nws raug nquahu kom sab laj nrog koj lub chaw tsim hluav taws xob electrolyzer rau cov ntaub ntawv tshwj xeeb ntawm qhov xav tau degradation tus nqi thiab pom zoo cov txheej txheem tu.

● PEM yog cov khoom siv polymer electrolyte membrane. Ob sab ntawm daim nyias nyias tuaj yeem tiv taus qhov sib txawv loj, thiab tsuas yog muaj kev cuam tshuam unidirectional conduction ntawm hydrogen ions. Nws tuaj yeem ncaj qha cais cov reactant hydrogen thiab oxygen kom tsis txhob muaj kev sib tsoo, thiab muaj kev nyab xeeb zoo. , Cov khoom siv roj muaj siab purity. Rau alkaline electrolysis, cov kua electrolytic cell yog siv, thiab cov ntaub asbestos ntxeem tau los ua diaphragm los ntawm impregnation. Yog li ntawd, yuav tsum tau nruab ib lub siab sib txawv tswj qhov system kom ntseeg tau tias tsis muaj cua to tshwm sim nyob rau hauv lub anode thiab cathode cov tshuaj tiv thaiv chambers thiab zam kev nyab xeeb xwm txheej.

● PEM electrolyte membrane tuaj yeem tsawg dua 200μm, qhov sib nrug ntawm electrode me me, nws tuaj yeem txo qhov ua haujlwm voltage thiab lub zog noj, thiab ua rau cov qauv ntawm cov electrolytic cell ntau compact.

● Dej yog ob qho tib si reactant thiab qhov nruab nrab cua txias, tshem tawm qhov xav tau ntawm lub tshuab cua txias thiab txo qhov ntim thiab qhov hnyav ntawm lub cuab yeej. Vim tias PEM electrolytic cell siv cov dej ntshiab raws li cov electrolyte, qhov corrosion ntawm electrolyte rau lub tank lub cev yog zam, cov tshuaj tiv thaiv cov khoom tsis muaj alkali pos huab, thiab cov roj purity siab dua.

Types of PEM Electrolysis System

Polymer electrolyte membrane (PEM) electrolysis

PEM electrolysis siv lub polymer electrolyte membrane yog cov feem ntau siv thiab ua tau zoo ntawm hydrogen gas. Cov txiaj ntsig ntawm PEM electrolysis suav nrog nws cov kev ua haujlwm siab, lub sijhawm teb ceev ceev, thiab kev ua haujlwm kub qis.

Proton conducting ceramic electrolysis (PCCE)

Proton conducting ceramic electrolysis siv cov proton-conducting ceramic membrane ua cov electrolyte. Cov txiaj ntsig ntawm PCCE suav nrog nws cov kev ua haujlwm siab, kev ua haujlwm siab kub thiab ruaj khov mus ntev.

Alkaline electrolysis

Alkaline electrolysis siv cov tshuaj alkaline raws li cov electrolyte. Cov txiaj ntsig ntawm alkaline electrolysis suav nrog nws cov kev ua haujlwm siab, tus nqi qis, thiab kev muaj peev xwm ua haujlwm ntawm qhov siab tam sim no.

Khoom oxide electrolysis

Khoom oxide electrolysis siv cov khoom oxide khoom ua cov electrolyte. Cov txiaj ntsig ntawm cov khoom siv hluav taws xob oxide muaj xws li nws cov kev ua haujlwm siab, kev ua haujlwm siab, thiab muaj peev xwm ua haujlwm ntawm qhov siab tam sim no.

Cheebtsam ntawm PEM Electrolysis System

Compression phaj
Lub phaj compression yog ua los ntawm txhuas alloy, siv los kho tag nrho cov electrolysis cell.

Bipolar daim hlau (BPP)
Cov phaj bipolar (BPP) yog cov phaj sib cais (xws li nrog cov hlau mesh lossis cov tshuaj ntsuam lamination lossis nrog cov etched flow field channels tuab hlau separators) siv los ua kom haum rau lub zog hluav taws xob los ntawm kev sib koom ua ke ntau cov khoom siv hluav taws xob hauv cov kab ke. Cais cov chav nyob ib sab thiab txuas rau hauv hluav taws xob. Nws yuav tsum muaj qhov tsis tshua muaj kev ua haujlwm siab thiab kev ua haujlwm siab thiab tshuaj lom neeg ruaj khov, cov dej xa tawm, thiab cov thermal conductivity siab vim nws kuj pab txhawb kev hloov pauv kub.

Titanium feem ntau suav hais tias yog cov khoom siv siab tshaj plaws vim nws muaj lub zog zoo heev, tsis tshua muaj zog, siab thermal conductivity thiab qis hydrogen permeability. Txawm li cas los xij, titanium feem ntau ua rau corrosion, tshwj xeeb tshaj yog nyob rau sab anode, qhov twg muaj peev xwm tshaj 2V ua rau cov oxidation ntawm nto, yog li ua rau kev sib cuag thiab txo thermal conductivity. Txhawm rau zam qhov no, cov txheej txheem platinum nyias tuaj yeem siv los txo qhov tsis kam ntawm qhov chaw.

Gas diffusion txheej (GDL)
Cov roj diffusion txheej los yog hu ua tam sim no collector GDL los yog PTL, raws li ib tug hluav taws xob conductor ntawm lub MEA thiab BPP, ua kom muaj txiaj ntsim loj hloov ntawm cov kua thiab gases ntawm cov electrodes thiab BPP.

Ntawm qhov anode, cov dej ua kua thauj los ntawm cov kab ntawm BPP mus rau txheej txheej catalyst ntawm daim nyias nyias los ntawm cov khoom tam sim no, qhov twg cov dej tau decomposed rau hauv oxygen thiab protons. Cov pa oxygen generated ntawm no diffuses nyob rau hauv lub opposite kev taw qhia los ntawm lub tam sim no collector mus rau hauv cov dej ntws.

Ntawm lub cathode, kua dej thiab hydrogen yog thauj los ntawm daim nyias nyias mus rau qhov chaw ntawm BPP los ntawm cov khoom siv tam sim no. Cov hluav taws xob pib los ntawm cov txheej txheem catalyst ntawm sab anode, dhau los ntawm cov khoom siv tam sim no thiab BPP, thiab tom qab ntawd mus txog rau sab cathode. Hauv PEM electrolyzers, lub peev xwm anode yog siab txaus rau oxidize carbon cov ntaub ntawv thiab lwm yam ntaub ntawv yuav tsum tau siv. Titanium feem ntau yog ib qho kev xaiv rau cov khoom siv tam sim no ntawm lub anode.

Membrane electrode los ua ke (MEA)
MEA muaj cov txheej txheem proton-conducting membrane coated nrog porous electrocatalyst khaubncaws sab nraud povtseg ntawm ob sab anode thiab cathode, uas yog lub hauv paus ntsiab lus ntawm cov electrolyzer, qhov dej yog decomposed rau gaseous hydrogen thiab oxygen los ntawm hluav taws xob tam sim no. Ntawm lub anode, dej yog oxidized rau hauv oxygen thiab protons. Cov hydrated protons ces tsiv mus rau cathode. Electrons ntws mus rau cathode los ntawm sab nraud Circuit Court.

Ntawm cathode, protons nce electrons thiab raug txo kom tsim hydrogen gas. Iridium oxide feem ntau suav hais tias yog cov catalyst tshaj plaws hauv PEM dej electrolysis. Ntawm ib qho kev hloov pauv oxides, RuO2 muaj qhov ua haujlwm siab tshaj plaws OER, tab sis nws tsis ruaj khov nyob rau hauv cov txheej txheem electrolyzer. IrO2 muaj kev ua haujlwm qis dua li RuO2 tab sis muaj qhov zoo ntawm kev tiv thaiv corrosion ntau dua.

Txheej thiab Catalysts rau Pem Dej Electrolyser Cell Cheebtsam

PEM electrolysers muaj ib tug xov tooj ntawm titanium Cheebtsam; Qhov no ua rau lawv yooj yim heev rau oxidation thiab degradation vim cov dej siv ntawm cov txheej txheem. Ntxiv cov txheej tiv thaiv rau cov cell sib cais, cov phaj bipolar thiab cov khaubncaws sab nraud povtseg tiv thaiv corrosion, txo cov kev tiv thaiv kev sib cuag thiab tuav qhov kev tiv thaiv qis rau 10,000 's teev, ua kom muaj txiaj ntsig thiab lub neej ntawm lub cev.

Raws li kev tsim cov txheej txheem no, TFP Hydrogen kuj tsim cov catalysts rau catalyst-coated membranes (CCMs), suav nrog ob qho tib si anode catalysts (IrO2 thiab IrRuO2) thiab cathode catalysts (Pt / C). Tsim los pab kom lub kaw lus ua haujlwm ntawm qhov tsis tshua muaj hluav taws xob, txhim kho lub sijhawm ntev thiab ua kom muaj kev ua haujlwm siab tshaj 10,000s teev; cov catalysts no heev dispersible rau inks thiab, nyob rau hauv lub xeem theem, tuaj tawm sab saum toj nyob rau hauv kev ua tau zoo thiab durability ntsuam xyuas.

Tag nrho cov txiaj ntsig no txhais tau hais tias lub tshuab electrolyser muaj peev xwm ua haujlwm ntawm kev siv hluav taws xob siab nyob rau lub sijhawm ntev, uas yog tsim nyog los ua kom ntsuab hydrogen ntau lawm kev sib tw thiab pab txhawb kev tsav ntawm kev ua kom lub zog loj hauv lub neej yav tom ntej.

PEM Electrolysers ua haujlwm li cas?

PEM electrolyser cell pawg muaj ntau cov khoom, cov no suav nrog cathode, anode thiab xaiv permeable proton pauv daim nyias nyias, nrog rau cov cell sib cais lossis cov phaj bipolar, thiab cov khoom xa tawm xws li cov txheej txheem thauj khoom ntxeem tau (PTL's).

Nyob ntawm daim ntawv thov thiab lub zog qhov chaw PEM electrolysers tuaj yeem nce lossis nqis siv ntau pawg los tsim cov khoom siv hluav taws xob xav tau.

Dej yog noj tas li mus rau hauv electrolyser thiab faib los ntawm hluav taws xob tam sim no rau hauv nws cov khoom molecules hydrogen thiab oxygen. Nyob rau ntawm lub anode cov dej reacts tsim oxygen, zoo them hydrogen ions (protons) thiab electrons. Cov electrons tom qab ntawd ntws ncig ib puag ncig sab nraud thiab cov hydrogen ions txav mus thoob plaws cov txheej txheem permeable rau cov cathode uas lawv rov ua dua nrog cov hluav taws xob los tsim cov roj hydrogen.

Cov roj no tuaj yeem siv ncaj qha los yog khaws cia ua kua lossis roj rau kev siv yav tom ntej.

Nruab nrab ntawm PEM Electrolyzer thiab Alkaline Electrolyzer

Alkaline electrolyzers yuav zoo li qhov kev xaiv pheej yig tshaj plaws - tom qab tag nrho, alkaline tau nyob ib puag ncig rau ntau xyoo lawm ntev dua PEM. Txawm li cas los xij, kev nce qib hauv PEM thev naus laus zis tau hloov nws cov nqi.

Kev tshuaj xyuas ntawm ob hom electrolyzers qhia tau hais tias cov nqi ntawm cov alkaline electrolyzer qis dua PEM. Tab sis thaum nws los txog rau qhov nyuaj thiab tus nqi ntawm qhov sib npaug ntawm cov nroj tsuag (BOP) raws li qhov system loj, PEM yog qis dua, raws li lub koom haum Fraunhofer rau Solar Energy Systems ISE. Qhov tseeb, tag nrho cov nqi ntawm cov tswv cuab ntawm PEM electrolyzer yog qis dua alkaline nrog cov kws tshaj lij kwv yees tias PEM cov nqi pabcuam yog ib feem peb ntawm alkaline.

Thaum scaling ib electrolyzer, PEM muaj cov nqi tseem ceeb hauv kev sib npaug ntawm cov nroj tsuag kev lag luam. Nyob rau hauv ib-kilowatt hauv paus, cov peev kev siv nyiaj txuam nrog cov alkaline electrolyzer nce ntau npaum li qhov ntsuas qhov system. Nrog PEM, muaj cov kev xaiv rau streamlining BOP kom txo tus nqi pem hauv ntej hauv cov tshuab loj dua 10 megawatts.

Thaum txiav txim siab tso zis siab, tus qauv alkaline electrolyzers xa tawm ntawm qhov tsis tshua muaj siab ntawm 1 txog 10 bar, uas yog ze li ntawm ambient siab. Rau feem ntau daim ntawv thov, hydrogen yuav tsum tau ntxiv compressed rau kev thauj, cia, los yog noj. Nyob rau sab ntxeev, PEM electrolyzers muaj qhov tso zis ntawm 40 bar - qhov ntawd yog 4 mus rau 40 npaug ntawm cov kab ke alkaline.

Lub siab yog tsim los ntawm cov txheej txheem electrochemical nyob rau hauv pawg, lub ntsiab lus PEM zam thawj theem compression coj nws mus txog 40 bar, thiab hla cov nqi hluav taws xob cuam tshuam nrog kev ua haujlwm compressor.

Alkaline's caustic electrolyte kua kuj tuaj yeem ua rau nws tus nqi siab heev. Piv txwv li, ib qho 10 rau 20-xyoo-txoj haujlwm txhais tau hais tias yuav tsum tau hloov lub sijhawm ntev xws li cov twj thiab cov li qub, lossis tshem tawm cov poov tshuaj hydroxide los ntawm cov dej hydrogen lossis oxygen. Qhov 3.5 tuj ib megawatt yuav tsum tau rau cov corrosive poov tshuaj hydroxide nyob rau hauv alkaline systems feem ntau ua rau qhov chaw tseem ceeb - feem ntau yog ob mus rau peb npaug ntawm qhov chaw ntawm PEM system rau cov zis zoo sib xws. Txhua qhov poob hauv qhov chaw tuaj yeem ua rau poob hauv cov nyiaj tau los.

Qhov kub ntawm PEM Electrolysis yog dab tsi?

60-80 degree
Cov pa hluav taws xob qis qis PEM electrolyzers (LT-PEME) ua haujlwm ntawm qhov kub ntawm 60-80 degree, siv Pt dub lossis carbon txhawb Pt-based catalysts yog siv los ua electrocatalyst rau hydrogen evolution cov tshuaj tiv thaiv (HER) ntawm cathode.

Peb lub Hoobkas

FAQ

Q: PEM electrolysis ua haujlwm li cas?

A: Nyob rau hauv ib lub polymer electrolyte membrane (PEM) electrolyzer, cov electrolyte yog ib yam khoom tshwj xeeb yas khoom. Dej reacts ntawm lub anode los tsim cov pa oxygen thiab zoo them hydrogen ions (protons). Cov electrons ntws los ntawm ib qho hluav taws xob sab nraud thiab cov hydrogen ions xaiv txav hla PEM mus rau cathode.

Q: Dab tsi yog qhov txawv ntawm awe thiab PEM electrolysis?

A: PEM electrolysis hlwb zoo ib yam li AWE hlwb, tab sis tsis yog alkaline aqueous electrolyte, lawv muaj cov khoom polymer electrolyte membrane nrog acidic xwm. Lub membrane, nrog rau cov electrodes, ua li cas hu ua membrane electrode assembly (MEA).

Q: Dab tsi electrolyte yog siv hauv PEM electrolysis?

A: PEM electrolysis siv cov proton-conducting perfluorinated sulfonic acid polymer li cov electrolyte thiab ua ib tug binder nyob rau hauv lub electrode txheej.

Q: Leej twg ua PEM electrolysis?

A: Siemens Energy AG
Siemens Energy AG. Siemens Energy AG yog lub tuam txhab hluav taws xob tsim los ua qhov kev sib tw ntawm lub qub Gas & Fais fab faib ntawm Siemens Group. Siemens Zog yog tso siab rau PEM electrolysis los tsim lub zog PEM electrolyzer cov khoom lag luam zoo rau ntau yam kev siv.

Q: Vim li cas PEM zoo dua alkaline?

A: Txawm li cas los xij, cov tshuaj alkaline electrolyte tuaj yeem corrosive thiab yuav tsum tau ua tib zoo saib xyuas. PEM thiab AEL electrolyzers muaj lawv qhov zoo thiab qhov tsis zoo. PEM electrolyzers muaj txiaj ntsig zoo dua thiab muaj lub neej ntev dua, tab sis lawv kuj tseem kim dua.

Q: Nws raug nqi npaum li cas los tsim hydrogen los ntawm PEM electrolysis?

A: Qhov projected high-volume, untaxed hydrogen tus nqi tuaj yeem nyob ntawm kwv yees li $ 2 / kg-H2 txog $ 7 / kg-H2 raws li kev lag luam tawm tswv yim ntawm PEM system kev ua tau zoo nrog rau cov peev, kev ua haujlwm thiab cov nqi khoom noj.

Q: Vim li cas PEM ua haujlwm zoo dua li alkaline?

A: PEM electrolyzers muaj txiaj ntsig zoo dua li alkaline electrolyzers, tab sis lawv kuj tseem kim dua. PEM electrolyzers ua haujlwm ntawm qhov ceev tam sim no thiab tuaj yeem tsim cov hydrogen thaum muaj kev kub ntxhov, ua rau lawv zoo rau kev siv xws li refueling tsheb thiab lub zog roj hlwb.

Q: Yuav tsum muaj dej ntau npaum li cas rau PEM electrolysis?

A: Kev tsim cov hydrogen los ntawm cov txheej txheem ntawm electrolysis theoretically xav tau 9 L ntawm cov dej ib kg ntawm hydrogen raws li tus nqi stoichiometric. [11]. Txawm li cas los xij, feem ntau cov khoom lag luam electrolysis ntawm lub khw niaj hnub tshaj tawm tias lawv xav tau ntawm 10 thiab 11 L ntawm cov dej deionized ib kg ntawm hydrogen tsim.

Q: PEM electrolyser lag luam loj npaum li cas?

A: PEM Electrolyzer Kev Lag Luam Loj tau muaj nuj nqis ntawm USD 8.24 billion hauv 2023 thiab xav tias yuav loj hlob ntawm CAGR ntawm ntau dua 22.9% ntawm 2024 thiab 2032.

Q: Cov ntaub ntawv dab tsi yog siv hauv PEM electrolyzer pawg?

A: Titanium thiab graphite-filled composites ua ke nrog cov polymer, xws li polypropylene, yog cov khoom tsim nyog rau cov phaj bipolar hauv PEM electrolyser daim ntaub ntawv. Zoo ib yam li cov hlau ntshiab titanium, titaninium thiab graphite composite daim hlau muaj cov khoom zoo heev thaum tov nrog polypropylene (PP).

Q: Dab tsi electrolyte siv hauv PEM electrolyzer?

A: PEM electrolysers siv cov hlwb nrog cov khoom polymer electrolyte. Cov hlwb feem ntau ua haujlwm ntawm qhov kub ntawm 50 degree thiab 80 degree thiab ntawm qhov siab ntawm 20 thiab 40 bar.

Q: Dab tsi yog qhov catalyst rau PEM electrolysis?

A: Nrog rau iridium, ruthenium kuj catalyzes Oxygen Evolution Reaction (OER), uas yog qhov tseem ceeb hauv PEM electrolysis. Ruthenium muaj cov kev ua haujlwm zoo tshaj plaws rau iridium tab sis tsis muaj kev ruaj ntseg hauv cov xwm txheej nyuaj ntawm PEM electrolyzer pawg.

Q: PEM ua haujlwm li cas?

A: Polymer electrolyte membrane (PEM) roj hlwb, tseem hu ua proton exchange membrane roj hlwb, siv cov proton-conducting polymer membrane li electrolyte. Hydrogen feem ntau yog siv los ua roj. Cov hlwb no ua haujlwm ntawm qhov kub qis thiab tuaj yeem hloov pauv lawv cov zis sai sai kom tau raws li qhov xav tau ntawm lub zog hloov.

Q: Muaj pes tsawg lub hlwb nyob hauv PEM electrolyzer?

A: Nruab nrab ntawm 30-220 cell
PEM electrolyzer cell muaj ib pawg ua los ntawm cov hlwb rov ua dua tshiab uas muaj hluav taws xob txuas nrog cov khoom siv hluav taws xob reactant / cov khoom siv roj txuas nrog tib yam (Daim duab 1 & 2). Cov naj npawb ntawm cov hlwb nyob rau niaj hnub no PEM pawg nyob nruab nrab ntawm 30-220 hlwb nrog thaj tsam ntawm 1,500 cm².

Q: Dab tsi yog qhov txawv ntawm PEM thiab khoom oxide electrolysis?

A: Cov khoom siv oxide electrolyzers yuav tsum ua haujlwm ntawm qhov kub siab txaus rau cov khoom oxide membrane kom ua haujlwm tau zoo (kwv yees li 700 degree -800 degree, piv rau PEM electrolyzers, uas ua haujlwm ntawm 70 degree -90 degree, thiab cov khoom lag luam alkaline electrolyzers, uas feem ntau ua haujlwm ntawm tsawg dua 100 degree).

Q: Dab tsi yog qhov teeb meem ntawm PEM electrolysis?

A: Cov kev txhim kho PEM tsis ntev los no tau nyob ib puag ncig ntawm ob qhov teeb meem: i) qhov tsis txaus ntawm Iridium, uas tuaj yeem yog qhov txwv rau kev tsim cov PEM electrolyzer, thiab ii) daim nyias nyias, uas txwv kev ua haujlwm ntawm PEM electrolyzer.

Q: PEM electrolysis rau hydrogen ntau lawm yog dab tsi?

A: Nyob rau hauv cov nqe lus ntawm sustainability thiab ib puag ncig cuam tshuam, PEM electrolysis yog xam raws li ib tug cog lus cov txheej txheem rau siab purity thiab npaum hydrogen ntau lawm vim nws tsuas emits oxygen raws li ib tug by-product yam tsis muaj carbon emissions.

Q: PEM electrolyzer system nqi ntau npaum li cas?

A: Tus nqi ncaj qha (cov khoom siv, kev ua haujlwm thiab kev tsim khoom) rau AE pawg sib txawv ntawm 192 txog 205 € / kW rau cov qauv tsim thiab 49-66 € / kW rau cov qauv tsim siab heev. Rau PEM stacks tus nqi no yog los ntawm 308 txog 332 € / kW rau cov qauv tsim thiab 56-70 € / kW rau kev tsim kho siab heev.

Q: Vim li cas PEM thiaj li kim?

A: Raws li peb tuaj yeem pom, PEM electrolyzers siv ntau yam khoom kim heev thiab tsis tshua muaj ntiaj teb xws li platinum, iridium, kub thiab titanium. Tsis tas li ntawd, tus nqi ntawm kev tsim khoom qee yam ntawm cov khoom no xws li MEA, bipolar daim hlau thiab PTL yog siab heev, ntxiv rau cov nqi ntawm cov electrolyzers.

Q: Dab tsi yog cov khoom ntawm electrolyser?

A: Alkaline electrolyser
Lawv siv cov kua dej electrolyte, xws li potassium hydroxide lossis sodium hydroxide, thiab dej. Hydrogen yog tsim nyob rau hauv ib lub cell uas muaj anode, ib tug cathode thiab ib daim nyias nyias. Cov hlwb feem ntau yog sib sau ua ke los tsim ntau hydrogen thiab oxygen tib lub sijhawm.

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