Graphite Electrode Felt ke eng?

Electrode ea graphite e ikutloake thepa e nang le masoba, e hanelang khabone e thehilweng hodima mocheso o phahameng e sebediswang haholo ditshebedisong tsa electrochemical, haholoholo ditsamaisong tsa polokelo ya matla le phetoho tse kang dibetri tsa phallo ya redox, disele tsa mafura, le di-reactor tsa electrolytic. E hlahiswa ka di-precursors tsa fibrous tse etsang khabone le grafitizing (hangata di-felt tse thehilweng hodima PAN kapa rayon), tse etsang marangrang a mahlakore a mararo a difaeba tsa khabone tse nang le motlakase o motle le botsitso ba dikhemikhale.

1. Sebopeho le Sebopeho

Felt ea electrode ea graphite e entsoe ka likhoele tse likete tse ntle tsa carbon tse hoketsoeng ka har'a materase a sa lohiloeng. Kamora ho kenngoa ha carbon (hangata ho feta 1000 °C) le ho kenngoa ha graphit (hangata ho feta 2000 °C), thepa e fumana melemo:

• Ho khanna motlakase ho phahameng
• Ho hanyetsa ts'enyeho mecheng ea litaba tse nang le asiti kapa alkaline
• Botsitso ba mocheso bo fetang 3000 °C libakeng tse sa sebetseng hantle

E boloka sebopeho se bonolo, se ka hatellwang empa e fetoha e sa sebetseng ka lik'hemik'hale mme e sebetsa ka motlakase.

2. Hobaneng o Sebelisa Felt ho Li-electrode?

Ho fapana le lipoleiti tse tiileng tsa graphite, graphite felt e fana ka sebaka se seholo sa bokaholimo ba ka hare le ho hasana ha li-ion ho ntlafetseng, e leng se etsang hore e be e loketseng bakeng sa liketso tsa electrochemical tse ruang molemo ka katleho e phahameng ea phetisetso ea boima. Sebopeho sa eona sa masoba a bulehileng se lumella electrolyte ho kenella ka botebo, e leng se nolofalletsang liketso tsa redox ho pholletsa le bophahamo—eseng feela holim'a metsi.

Melemo ea bohlokoa:

• Sebaka se phahameng: E loketse lits'ebetso tsa motlakase o phahameng
• Khokahano e ntle ea motlakase: E boloka phallo ea hona joale holim'a lera le hatelletsoeng
• Botenya le botenya bo ka fetoloang: E hlophisitsoe bakeng sa meralo e itseng ea li-stack
• E bobebe ebile e tenyetseha: Ho bonolo ho sebetsana le ho iketsetsa
• Ho mamella mocheso: E sebetsa tlas'a mocheso o phahameng

3. Litšebeliso tse Tloaelehileng

Graphite electrode felt e sebelisoa haholo ho:

Libetri tsa Redox Flow (VRFB, IRFB, jj.)

Sebaka sa eona se seholo se tšehetsa V²⁺/V³⁺ le VO²⁺/VO₂⁺ redox coupling ka katleho. Ho tšoarella ho phahameng le ho khanna ho etsa hore e be ntle bakeng sa ts'ebetso ea potoloho e telele.

Lisele tsa Mafura

Meralong e meng ea lisele tsa mafura, graphite felt e sebetsa e le electrode ea ho hasana ha khase e nang le masoba kapa catalyst carrier.

Li-electrolyzer / Li-electrochemical Reactors

Li-electrode tsa felt li sebelisoa lits'ebetsong tse fapaneng tsa electrochemical tse kang kalafo ea metsi a litšila, ho kopanya electro le tlhahiso ea haeterojene.

Patlisiso ea Laboratori

Ka lebaka la ho tenyetseha ha eona, litšenyehelo tse tlase, le ts'ebetso e bonolo, graphite felt e sebelisoa haholo litekong tsa prototype le litekong tsa bench-scale.

4. Liparamente tsa Khetho

Ha o kgetha graphite felt bakeng sa electrode, lintlha tse 'maloa li lokela ho nahanoa:

5. Liphetoho tse Tloaelehileng

Leha graphite e sa phekoloang e ikutloa e sebetsa hantle, phetoho ea bokaholimo hangata e ntlafatsa ts'ebetso ea electrochemical:

• Ho kenya tshebetsong mocheso: E hlahisa lihlopha tse nang le oksijene ho ntlafatsa ho koloba ha metsi
• Kalafo ea lik'hemik'hale tsa oxidation kapa plasma: E eketsa libaka tse sebetsang le ho ntlafatsa sekhahla sa karabelo
• Ho kenya khatalyst: Li-oxide tsa tšepe (mohlala, MnO₂, Pt, Ir) li ka eketsoa ho ntlafatsa likarabelo tse itseng.
• Seaparo sa Graphene/nanocarbon: E ntlafatsa ho tsamaisa le ho tšepahala ha mechini

6. Lintlha tsa Bohlokoa Tse ka Sehloohong Bakeng sa Tšebeliso e Sebetsang

• Khatello: Boitšoaro bo ikutloang boa fetoha tlas'a khatello; ho khanna le ho hanyetsa phallo li lokela ho leka-lekana
• Bohloeki: Li-felt tse hloekileng haholo lia hlokahala lits'ebetsong tse bonolo ho qoba tšilafalo
• Ho sebetsana le: E tlameha ho qoba tšilafalo ea oli, lerōle, kapa likaroloana tsa tšepe; liatlana tse sireletsang le libaka tse se nang lerōle lia khothaletsoa
• Pele ho kalafoHo hlatswa kapa ho lokisa esale pele ho ka hlokahala ho latela hore na electrolyte e tsamaellana le eng.

Electrode ea graphite e ikutloaha se thepa feela—ke karolo ea lik'hemik'hale tsa motlakase e sebetsang hantle. Motsoako oa eona oa ho tsamaisa motlakase, ho ba le masoba, ho tenyetseha le ho hanyetsa lik'hemik'hale o etsa hore e be khetho e ratoang mefuteng e tsoetseng pele ea libeteri, li-electrolyzer le litsamaiso tsa phetoho ea matla a laboratori.

Hore na o rala betri ea phallo ea redox ea moloko o latelang kapa o leka likamano tse ncha tsa catalyst ho prototype ea sele ea mafura, graphite felt e fana ka sethala se ka fetoloang, se ka atolosoang bakeng sa ts'ebetso e sebetsang ea electrochemical.