Batirin karfe-iska abu ne mai aiki wanda ke amfani da karafa tare da yuwuwar wutar lantarki mara kyau, kamar su magnesium, aluminum, zinc, mercury da iron, a matsayin wutar lantarki mara kyau, da oxygen ko iskar oxygen mai tsafta a cikin iska a matsayin tabbataccen lantarki.Batirin Zinc-air shine baturin da aka fi bincika kuma ana amfani da shi sosai a jerin batir-iska.A cikin shekaru 20 da suka gabata, masana kimiyya sun yi bincike da yawa a kan baturi na zinc-air na biyu.Kamfanin Sanyo na Japan ya samar da babban baturi mai ƙarfi na zinc-air.Batirin zinc-air na tarakta mai ƙarfin lantarki na 125V da ƙarfin 560A · h an ƙirƙira shi ta hanyar yin amfani da hanyar iska da wutar lantarki ta lantarki.An ba da rahoton cewa an yi amfani da shi a cikin motoci, kuma yawan fitarwa na yanzu zai iya kaiwa 80mA/cm2, kuma iyakar zai iya kaiwa 130mA/cm2.Wasu kamfanoni a Faransa da Japan suna amfani da hanyar zagayawa na zinc slurry don samar da zinc-air na biyu na halin yanzu, kuma ana aiwatar da dawo da abubuwa masu aiki a waje da baturi, tare da ainihin takamaiman makamashi na 115W · h/kg.

Babban fa'idodin batirin ƙarfe-iska:

1) Higher takamaiman makamashi.Tun da kayan aiki masu aiki da ake amfani da su a cikin lantarki na iska shine oxygen a cikin iska, ba shi da iyaka.A ka'idar, ƙarfin ingantaccen lantarki ba shi da iyaka.Bugu da kari, kayan aiki yana wajen baturi, don haka takamaiman ka'idar kuzarin batirin iska ya fi girma fiye da na janareta na oxide na gaba ɗaya.Ƙimar ƙayyadaddun ƙayyadaddun makamashi na baturin iska na ƙarfe gabaɗaya ya fi 1000W · h/kg, wanda ke cikin samar da wutar lantarki mai ƙarfi.
(2) Farashin yana da arha.Batirin zinc-air baya amfani da karafa masu tsada a matsayin electrodes, kuma kayan batir kayan aikin gama gari ne, don haka farashin yana da arha.
(3) Tsayayyen aiki.Musamman, baturin zinc-air na iya aiki a babban adadin halin yanzu bayan amfani da foda porous zinc electrode da alkaline electrolyte.Idan an yi amfani da iskar oxygen mai tsafta don maye gurbin iska, aikin fitarwa kuma zai iya inganta sosai.Bisa ga ƙididdiga na ka'idar, yawancin halin yanzu ana iya ƙarawa da kusan sau 20.

Batirin karfe-air yana da illa masu zuwa:

1), ba za a iya rufe baturin ba, wanda ke da sauƙi don haifar da bushewa da tashi daga cikin electrolyte, yana rinjayar iya aiki da rayuwar baturin.Idan an yi amfani da alkaline electrolyte, yana da sauƙi don haifar da carbonation, ƙara juriya na ciki na baturi, kuma yana rinjayar fitarwa.
2）, aikin ajiyar jika ba shi da kyau, saboda yaɗuwar iska a cikin baturi zuwa gurɓataccen lantarki zai hanzarta fitar da kai na gurɓataccen lantarki.
3), da yin amfani da porous tutiya kamar yadda korau electrode bukatar mercury homogenization.Mercury ba kawai yana cutar da lafiyar ma'aikata ba har ma yana lalata muhalli, kuma yana buƙatar maye gurbinsa da mai hana lalatawar mercury.

Batirin karfe-iska abu ne mai aiki wanda ke amfani da karafa tare da yuwuwar wutar lantarki mara kyau, kamar su magnesium, aluminum, zinc, mercury da iron, a matsayin wutar lantarki mara kyau, da oxygen ko iskar oxygen mai tsafta a cikin iska a matsayin tabbataccen lantarki.Alkaline electrolyte aqueous bayani ana amfani dashi gabaɗaya azaman maganin electrolyte na baturin iska.Idan ana amfani da lithium, sodium, calcium, da dai sauransu tare da yuwuwar wutar lantarki mara kyau a matsayin wutar lantarki mara kyau, saboda za su iya amsawa da ruwa, kawai abubuwan da ba su da ruwa ba kamar su phenol-resistant solid electrolyte ko inorganic electrolyte kamar LiBF4 gishiri bayani zai iya. a yi amfani.

Magnesium-batir na iska

Duk wani nau'i na karfe tare da yuwuwar wutar lantarki mara kyau da lantarki na iska na iya samar da baturin karfe-iska daidai.Ƙarfin wutar lantarki na magnesium yana da ingantacciyar korau kuma makamancin electrochemical yayi ƙanƙanta.Ana iya amfani da shi don haɗawa da na'urar lantarki don samar da baturin iska na magnesium.Electrochemical daidai da magnesium shine 0.454g/(A · h) Ф=- 2.69V. Theoretical takamaiman makamashi na magnesium-air baturi shine 3910W · h/kg, wanda shine sau 3 na batirin zinc-air da 5 ~ Sau 7 na batirin lithium.Ƙarƙashin ƙarancin baturi na magnesium-iska shine magnesium, madaidaicin sandar iskar oxygen a cikin iska, electrolyte shine KOH bayani, kuma ana iya amfani da maganin tsaka tsaki na electrolyte.
Babban ƙarfin baturi, ƙarancin farashi da aminci mai ƙarfi sune mahimman fa'idodin batir magnesium ion.Siffar sifa ta magnesium ion tana ba da damar ɗaukarwa da adana ƙarin cajin lantarki, tare da ƙimar kuzarin ka'idar sau 1.5-2 na batirin lithium.A lokaci guda, magnesium yana da sauƙin cirewa kuma ya rarraba.Kasar Sin tana da cikakkiyar fa'idar baiwar albarkatu.Bayan yin baturin magnesium, yuwuwar fa'idar farashinsa da sifofin amincin albarkatu sun fi batirin lithium girma.Dangane da aminci, magnesium dendrite ba zai bayyana a mummunan sandar baturin magnesium ion ba yayin caji da sake zagayowar zagayowar, wanda zai iya guje wa haɓakar lithium dendrite a cikin batirin lithium yana huda diaphragm kuma yana haifar da baturi zuwa gajeriyar kewayawa, wuta da wuta. fashewa.Fa'idodin da ke sama suna sa baturin magnesium ya sami babban ci gaba da haɓaka.

Dangane da sabon ci gaban batir magnesium, Cibiyar Makamashi ta Qingdao ta Kwalejin Kimiyya ta kasar Sin ta samu ci gaba mai kyau a batir na biyu na magnesium.A halin yanzu, ya karya ta hanyar fasaha na fasaha a cikin tsarin masana'antu na batura na biyu na magnesium, kuma ya haɓaka tantanin halitta guda ɗaya tare da ƙarfin ƙarfin 560Wh / kg.Motar lantarki mai cikakken batirin iskar magnesium da aka ƙera a Koriya ta Kudu na iya yin nasarar tafiyar kilomita 800, wanda ya ninka matsakaicin adadin motocin da batirin lithium ke amfani da shi a yanzu.Yawancin cibiyoyin Japan, ciki har da Kogawa Battery, Nikon, Nissan Automobile, Jami'ar Tohoku ta Japan, Rixiang City, Miyagi Prefecture, da sauran cibiyoyin bincike na masana'antu-jami'a da ma'aikatun gwamnati suna haɓaka babban ƙarfin bincike na batirin iska na magnesium.Zhang Ye, rukunin bincike na Kwalejin Injiniya na Zamani na Jami'ar Nanjing, da sauransu sun tsara nau'in gel electrolyte mai nau'i biyu, wanda ya fahimci kariyar magnesium karfe anode da ka'idojin fitar da kayayyaki, kuma sun sami batirin iska na magnesium tare da yawan makamashi mai yawa. 2282 W h · kg-1, dangane da ingancin duk iska electrodes da magnesium korau electrodes), wanda ya fi girma fiye da magnesium iska baturi tare da dabarun alloying anode da anti-lalata electrolyte a halin yanzu wallafe-wallafe.
Gabaɗaya, baturin magnesium har yanzu yana cikin matakin bincike na farko a halin yanzu, kuma har yanzu da sauran rina a kaba kafin babban girma da aikace-aikace.