Farantin graphite bipolarwani muhimmin sashi ne da ake amfani da shi a cikin kayan aikin lantarki kamar ƙwayoyin mai da na lantarki, waɗanda aka yi su da kayan graphite masu tsabta. Yana taka muhimmiyar rawa a cikin halayen lantarki, galibi ana amfani da su don gudanar da wutar lantarki, rarraba iskar gas (kamar hydrogen da oxygen), da kuma raba yankunan amsawa. Saboda ɓangarorinsa biyu suna hulɗa da anode da cathode na ƙwayoyin halitta guda ɗaya da ke maƙwabtaka, suna samar da tsarin "bipolar" (ɗaya gefen shine filin kwararar anode kuma ɗayan gefen shine filin kwararar cathode), ana kiransa bipolar plate.
Tsarin farantin graphite bipolar
Faranti na bipolar graphite yawanci suna ƙunshe da waɗannan sassa:
1. Filin Gudawa: An tsara saman farantin bipolar tare da tsarin filin kwarara mai rikitarwa don rarraba iskar gas mai amsawa daidai gwargwado (kamar hydrogen, oxygen ko iska) da kuma fitar da ruwan da aka samar.
2. Tsarin sarrafawa: Kayan graphite da kansa yana da kyakkyawan watsa wutar lantarki kuma yana iya gudanar da wutar lantarki yadda ya kamata.
3. Yankin rufewa: Gefen faranti na bipolar yawanci ana tsara su ne da tsarin rufewa don hana zubar iskar gas da shigar ruwa.
4. Tashoshin sanyaya (zaɓi ne)A wasu aikace-aikacen da ke da ƙarfin aiki, ana iya tsara hanyoyin sanyaya a cikin faranti na bipolar don daidaita zafin aiki na kayan aiki.
Ayyukan faranti na graphite bipolar
1. Aikin sarrafawa:
A matsayin electrode na kayan aikin lantarki, farantin bipolar yana da alhakin tattarawa da gudanar da wutar lantarki don tabbatar da ingantaccen fitarwa na makamashin lantarki.
2. Rarraba iskar gas:
Ta hanyar tsarin tashar kwarara, farantin bipolar yana rarraba iskar gas ɗin amsawa daidai gwargwado zuwa layin catalyst, yana haɓaka amsawar lantarki.
3. Raba yankunan amsawa:
A cikin na'urar man fetur ko electrolyzer, faranti na bipolar suna raba yankunan anode da cathode, wanda ke hana iskar gas haɗuwa.
4. Watsar da zafi da magudanar ruwa:
Farantin bipolar suna taimakawa wajen daidaita zafin aiki na kayan aiki da kuma ruwan fitarwa ko wasu samfuran da amsawar ta haifar.
5. Tallafin injina:
Faranti masu siffar bipolar suna ba da tallafi ga tsarin membrane electrode, suna tabbatar da kwanciyar hankali da dorewar kayan aikin.
Me yasa za a zaɓi graphite a matsayin kayan farantin bipolar?
Abubuwan kayan faranti na graphite bipolar
●Babban ƙarfin lantarki:
Yawan juriyar graphite yana ƙasa da 10-15μΩ.cm (mafi kyau fiye da 100-200 μΩ·cm nafarantin ƙarfe na bipolar) .
●Juriyar lalata:
Kusan babu tsatsa a cikin yanayin acidic na ƙwayoyin mai (pH 2-3), kuma rayuwar sabis na iya kaiwa sama da awanni 20,000.
●Mai sauƙi:
Yawansa ya kai kimanin g 1.8/cm3 (7-8 g/cm3 ga farantin ƙarfe mai kama da bipolar), wanda ke da amfani wajen rage nauyi a aikace-aikacen abin hawa.
●Kaya mai shingen iskar gas:
Tsarin graphite mai yawa zai iya hana shigar hydrogen yadda ya kamata kuma yana da aminci mai yawa.
●Sauƙin sarrafawa:
Kayan zane-zanen graphite yana da sauƙin sarrafawa kuma yana iya keɓance ƙira da girma dabam-dabam na tashar kwarara bisa ga buƙatu.
Ta yaya ake ƙera faranti na graphite bipolar?
Tsarin samarwa nafarantin graphite bipolarya haɗa da waɗannan:
●Shirye-shiryen kayan da aka sarrafa:
Yi amfani da foda mai tsarki (>99.9%) na graphite na halitta ko foda mai graphite na wucin gadi.
A ƙara resin (kamar resin phenolic) a matsayin abin ɗaurewa don ƙara ƙarfin injina.
●Matsawa Molding:
Ana allurar kayan da aka haɗa a cikin wani abu mai kama da juna sannan a matse su a ƙarƙashin zafin jiki mai yawa (200-300℃) da matsin lamba mai yawa (>100 MPa).
●Maganin Graphitization:
Dumamawa zuwa 2500-3000℃ a cikin yanayin da ba shi da hayaniya yana sa abubuwan da ba na carbon ba su yi ƙarfi su kuma samar da tsarin graphite mai yawa.
●Tsarin sarrafawa:
Yi amfani da injunan CNC ko lasers don sassaka hanyoyin serpentine, a layi ɗaya ko a haɗa su (zurfin 0.5-1 mm).
●Maganin saman:
Shafawa da resin ko ƙarfe (kamar zinare, titanium) yana rage juriyar hulɗa da mutane kuma yana inganta juriyar lalacewa.
Menene amfanin faranti na bipolar graphite?
1. Tarin Mai:
- Tarin mai na musayar membrane na Proton (PEMFC)
- Tarin Man Fetur Mai Tsami Mai Tsami (SOFC)
- Tarin Man Fetur na Methanol Kai Tsaye (DMFC)
2. Electrolyzer:
- Samar da hydrogen ta hanyar amfani da electrolysis na ruwa
- Masana'antar Chlor-alkali
3. Tsarin adana makamashi:
- Batirin kwarara
4. Masana'antar Sinadarai:
- Reactor na lantarki
5. Binciken dakin gwaje-gwaje:
- Ci gaba da gwajin samfura na ƙwayoyin mai da na'urorin lantarki
A taƙaice
Faranti na graphite bipolarmuhimman abubuwan da ke cikin kayan aikin lantarki kamar ƙwayoyin mai da na lantarki, kuma suna da ayyuka da yawa kamar su watsa wutar lantarki, rarraba iskar gas, da kuma raba wuraren amsawa. Tare da haɓaka fasahar makamashi mai tsabta, ana ƙara amfani da faranti na graphite bipolar a cikin sabbin motocin makamashi, tsarin adana makamashi, samar da sinadarin hydrogen da sauran fannoni.
Lokacin Saƙo: Maris-31-2025