A tabbatacce lantarki nabaturi lithium-ionshi ne lithium baƙin ƙarfe phosphate abu, wanda yana da babban abũbuwan amfãni a cikin aminci yi da kuma sake zagayowar rayuwa.Waɗannan su ne ɗayan mahimman alamun fasaha na baturin wutar lantarki.Lifepo4 baturi tare da cajin 1C da rayuwar sake zagayowar za a iya cimma sau 2000, huda ba ya fashe, ba shi da sauƙin ƙonewa da fashe lokacin da aka cika caji.Lithium baƙin ƙarfe phosphate cathode kayan sa manyan-ikon lithium-ion baturi sauki don amfani a jeri.
Lithium baƙin ƙarfe phosphate a matsayin cathode abu
Batirin Lifepo4 yana nufin baturin lithium-ion ta amfani da lithium iron phosphate a matsayin ingantaccen kayan lantarki.Ingantattun kayan lantarki na batir lithium-ion sun hada da lithium cobaltate, lithium manganate, lithium nickelate, kayan ternary, lithium iron phosphate, da makamantansu.Daga cikin su, lithium cobaltate shine ingantaccen kayan lantarki da ake amfani dashi a yawancin batura lithium-ion.A ka'ida, lithium baƙin ƙarfe phosphate shima tsari ne na haɗawa da ƙaddamarwa.Wannan ka'ida tayi daidai da lithium cobaltate da lithium manganate.
lifepo4 amfanin baturi
1. Babban caji da ingantaccen aiki
Batirin Lifepo4 shine baturi na biyu na lithium-ion.Babban manufa ɗaya shine don batura masu ƙarfi.Yana da babban fa'ida akan batirin NI-MH da Ni-Cd.Batirin Lifepo4 yana da babban caji kuma yana fitar da inganci, kuma cajin da ingancin fitarwa zai iya kaiwa sama da 90% a ƙarƙashin yanayin fitarwa, yayin da batirin gubar-acid ya kai kusan 80%.
2. lifepo4 baturi high aminci yi
Haɗin PO a cikin lithium baƙin ƙarfe phosphate crystal yana da kwanciyar hankali kuma yana da wuyar rubewa, kuma baya rushewa ko zafi kamar lithium cobaltate ko samar da wani abu mai ƙarfi mai oxidizing ko da a babban zafin jiki ko caji, don haka yana da aminci mai kyau.a cikin ainihin aiki. , An gano ƙananan ɓangaren samfurin yana da wani abu mai ƙonawa a cikin acupuncture ko gwajin gajeren lokaci, amma babu wani abin fashewa.A gwajin cajin da aka yi, an yi amfani da cajin wutar lantarki mai girma wanda ya ninka sau da yawa fiye da wutar lantarkin da ke fitar da kai, kuma an gano cewa har yanzu akwai wani abin fashewa.Duk da haka, an inganta amincin cajin sa sosai idan aka kwatanta da baturin lithium cobalt oxide na ruwa na yau da kullun.
3. Lifepo4 tsawon rayuwar baturi
Batirin Lifepo4 yana nufin baturin lithium-ion ta amfani da lithium iron phosphate a matsayin ingantaccen kayan lantarki.Baturin gubar-acid na tsawon rai yana da rayuwar zagayowar kusan sau 300, kuma mafi girma shine sau 500.Batirin wutar lantarki na baƙin ƙarfe phosphate yana da rayuwar zagayowar fiye da sau 2000, kuma ana iya amfani da ma'aunin cajin (nauyin awa 5) har sau 2000.Batir mai inganci iri ɗaya shine "sabuwar rabin shekara, tsohuwar rabin shekara, kulawa da kulawa na rabin shekara", har zuwa shekaru 1 ~ 1.5, kuma ana amfani da batirin lifepo4 a ƙarƙashin yanayi iri ɗaya, rayuwar ka'idar za ta kasance. shekaru 7-8.Idan aka yi la’akari da gabaɗaya, ƙimar ƙimar aikin a ka’idar ta fi sau huɗu fiye da na batirin gubar-acid.Za'a iya cajin fitarwa mai girma da sauri kuma a fitar dashi tare da babban 2C na yanzu.Karkashin caja na musamman, ana iya cajin baturin cikakke a cikin mintuna 1.5 na cajin 1.5C, kuma lokacin farawa zai iya kaiwa 2C, amma baturin gubar-acid ba shi da irin wannan aikin.
4. Kyakkyawan aikin zafin jiki
Matsakaicin zafin jiki na lithium baƙin ƙarfe phosphate zai iya kaiwa 350 ° C -500 ° C yayin da lithium manganate da lithium cobaltate ne kawai a kusa da 200 ° C. Faɗin zafin jiki na aiki (-20C-+ 75C), tare da juriya mai zafi, lithium iron phosphate Kololuwar dumama lantarki na iya kaiwa 350 °C-500C, yayin da lithium manganate da lithium cobalt oxide kawai a 200 ° C.
5. Lifepo4 baturi Babban iya aiki
Yana da girma fiye da batura na yau da kullun (lead-acid, da sauransu).Iyakar monomer shine 5AH-1000AH.
6. Babu tasirin ƙwaƙwalwar ajiya
Batura masu caji suna aiki a ƙarƙashin yanayin da galibi ba a cika cika su ba, kuma ƙarfin zai faɗi ƙasa da ƙima.Wannan al'amari ana kiransa tasirin ƙwaƙwalwar ajiya.Ƙwaƙwalwar ƙwaƙwalwa kamar nickel-metal hydride da nickel-cadmium baturi, amma batir lifepo4 ba shi da wannan al'amari, ko da wane hali baturin yake, ana iya amfani da shi tare da caji, ba buƙatar fitarwa da caji.7.Hasken batirin lifepo4
Batirin lifepo4 na wannan ƙarfin ƙayyadaddun bayanai shine 2/3 na ƙarar baturin gubar-acid, kuma nauyi shine 1/3 na baturin-acid.
8. Lifepo4 baturasuna da mutunta muhalli
Gabaɗaya ana ɗaukar baturin ba shi da kowane ƙarfe mai nauyi da ƙananan karafa (batura na Ni-MH suna buƙatar ƙananan ƙarfe), mara guba (shararriyar SGS), mara gurɓatacce, daidai da ƙa'idodin RoHS na Turai, cikakkiyar takardar shaidar batir ce. .Saboda haka, dalilin da ya sa batura lithium ke da fifiko ga masana'antu shine galibi la'akari da muhalli.Sabili da haka, an haɗa baturin a cikin shirin "863" na babban tsarin ci gaban fasaha na kasa a lokacin "Shirin Shekaru Biyar na Goma" kuma ya zama babban tallafi na kasa da kuma ci gaba da ƙarfafawa.Da shigar kasar Sin cikin kungiyar WTO, yawan kekunan lantarki da ake fitarwa a kasar Sin zai karu cikin sauri, kuma ana bukatar kekunan lantarki masu shiga Turai da Amurka da batura masu gurbata muhalli.Ayyukan baturin lithium-ion ya dogara da yawa akan abubuwa masu inganci da mara kyau.Lithium iron phosphate abu ne na batirin lithium wanda ya bayyana a cikin 'yan shekarun nan.Ayyukansa na aminci da rayuwar zagayowar ba su iya kamanta da sauran kayan.Mahimman alamun fasaha na baturi.Batirin Lifepo4 yana da fa'idodin mara guba, mara gurɓatacce, kyakkyawan aikin aminci, ɗimbin albarkatun ƙasa, ƙarancin farashi, da tsawon rai.Yana da manufa cathode abu ga sabon ƙarni nabaturi lithium-ion.