Cikakken sunan batirin baƙin ƙarfe phosphate na lithium baƙin ƙarfe phosphate baturin lithium ion baturi, wanda ke nufin baturin lithium ion baturi da ke amfani da lithium iron phosphate a matsayin tabbataccen electrode abu. Akwai nau’ikan kayan cathode iri-iri don batir lithium-ion, galibi lithium cobalt oxide, lithium manganate, lithium nickelate, kayan ternary, lithium iron phosphate da sauransu. Daga cikin su, lithium cobalt oxide a halin yanzu shine kayan cathode da ake amfani da su a yawancin batir lithium-ion, yayin da sauran kayan cathode ba a samar da su da yawa a kasuwa ba saboda wasu dalilai. Lithium iron phosphate shima daya ne daga cikin batirin lithium-ion. Dangane da ka’idar kayan aiki, lithium iron phosphate shima tsarin intercalation/deintercalation ne, wanda yayi daidai da lithium cobaltate da lithium manganate.

Batir phosphate na lithium baƙin ƙarfe batura ne na biyu na lithium-ion. Ɗayan babban amfaninsa shine azaman baturin wuta. Yana da babban fa’ida akan batirin NI-MH da Ni-Cd.

riba

1. Inganta aikin aminci

Haɗin PO a cikin lithium baƙin ƙarfe phosphate crystal yana da ƙarfi kuma yana da wahalar rubewa. Ko da a yanayin zafi mai yawa ko fiye da kima, ba zai rushe ba kuma ya haifar da zafi kamar lithium cobalt oxide ko samar da abubuwa masu guba mai ƙarfi, don haka yana da lafiya mai kyau. Wani rahoto ya nuna cewa a cikin ainihin aikin acupuncture ko gwaje-gwaje na gajeren lokaci, an gano wani karamin sashi na samfurori ya ƙone, amma babu wani fashewa da ya faru. A gwaje-gwajen da aka yi na karin cajin, an yi amfani da cajin wutar lantarki mai yawa wanda ya ninka sau da yawa fiye da na fitar da kai, kuma an gano cewa har yanzu akwai abubuwan fashewa. Duk da haka, an inganta amincin cajin sa sosai idan aka kwatanta da na yau da kullun na batura lithium cobalt oxide na ruwa.

2, inganta tsawon rayuwa

“Batir phosphate na lithium baƙin ƙarfe” yana nufin baturin lithium ion baturi wanda ke amfani da lithium iron phosphate a matsayin tabbataccen abu na lantarki.

Rayuwar batirin gubar acid mai tsawon rai kusan sau 300, kuma mafi girma shine sau 500, yayin da batirin wutar lantarki na baƙin ƙarfe na lithium yana da tsawon rayuwar fiye da sau 2000, kuma ana iya amfani dashi sau 2000 tare da daidaitaccen caji (kimanin awoyi 5). Batirin gubar-acid masu inganci iri ɗaya ne “sabbin rabin shekara, rabin shekara, da rabin shekara don kulawa”, wanda zai iya ɗaukar shekaru 1 zuwa 1.5. Idan aka yi amfani da su a ƙarƙashin yanayi iri ɗaya, batir phosphate na lithium iron phosphate suna da rayuwar ka’idar shekaru 7 zuwa 8. Cikakken la’akari, ƙimar aikin-farashin ya fi sau 4 fiye da na baturan gubar-acid. Babban fitarwa na yanzu yana iya yin caji da sauri da fitar da 2C mai girma na yanzu. Tare da keɓaɓɓen caja, ana iya cajin baturin gabaɗaya a cikin mintuna 40 na cajin 1.5C, kuma lokacin farawa zai iya kaiwa 2C, amma batirin gubar-acid ba su da irin wannan aikin.

3, kyakkyawan aikin zafin jiki

The lantarki dumama ganiya na lithium baƙin ƙarfe phosphate iya isa 350 ℃-500 ℃, yayin da lithium manganate da lithium cobaltate ne kawai a kusa da 200 ℃. Wide aiki zazzabi kewayon (-20C-75C), tare da high zafin jiki juriya, lithium baƙin ƙarfe phosphate lantarki dumama ganiya iya isa 350 ℃-500 ℃, yayin da lithium manganate da lithium cobaltate ne kawai a kusa da 200 ℃.

4, babban iya aiki

∩Irin ƙarfin batura masu caji zai yi ƙasa da sauri fiye da ƙarfin da aka ƙididdige su lokacin da ake yawan cajin su kuma ba a sauke su ba. Ana kiran wannan al’amari da tasirin ƙwaƙwalwar ajiya. Kamar nickel-metal hydride da nickel-cadmium baturi, akwai memory, amma lithium iron phosphate baturi ba su da wannan sabon abu. Ko da wane irin yanayi batirin yake, ana iya cajin shi da amfani da shi ba tare da an fara fitar da shi ba.

6, nauyi mai nauyi

Girman baturin phosphate na lithium baƙin ƙarfe na ƙayyadaddun ƙayyadaddun bayanai da iya aiki shine 2/3 na ƙarar baturin gubar-acid, kuma nauyi shine 1/3 na baturin-acid.

7, kare muhalli

Batir phosphate na lithium baƙin ƙarfe ana ɗauka gabaɗaya ba su da ƙarancin ƙarfe masu nauyi da ƙananan karafa (batir nickel-hydrogen yana buƙatar ƙananan ƙarfe), mara guba (shararriyar SGS), mara gurɓatacce, daidai da ƙa’idodin RoHS na Turai, da cikakkiyar kore. takardar shaidar baturi. Saboda haka, dalilin da ya sa batura lithium ke da fifiko ga masana’antu shine galibi saboda la’akari da kare muhalli. Sabili da haka, an haɗa baturin a cikin shirin “863” na kasa da kasa na bunkasa fasahar zamani a lokacin “Shirin Shekaru Biyar na Goma” kuma ya zama babban aikin tallafi da ƙarfafawa na ƙasa. Da shigar kasar Sin cikin kungiyar WTO, yawan kekunan lantarki da kasar Sin ke fitarwa zuwa kasashen waje za ta karu cikin sauri, kana an bukaci kekunan da ke shiga Turai da Amurka da batura masu gurbata muhalli.

Sai dai wasu masana sun ce gurbacewar muhalli da batirin gubar-acid ke haifarwa ya fi faruwa ne a tsarin samar da kayan da kamfanin ke yi ba bisa ka’ida ba. Hakazalika, batirin lithium na cikin sabbin masana’antar makamashi, amma ba zai iya guje wa matsalar gurbatar karfe ba. Lead, arsenic, cadmium, mercury, chromium, da sauransu a cikin sarrafa kayan ƙarfe na iya zama ƙura da ruwa. Batirin kansa wani nau’in sinadari ne, don haka yana yiwuwa ya haifar da gurɓataccen gurɓataccen abu guda biyu: na ɗaya shine gurɓataccen tsari a aikin injiniyan samarwa; ɗayan kuma shine gurɓatar batirin bayan an goge shi.

Batir phosphate na lithium iron phosphate suma suna da nasu gazawa: misali, rashin ƙarancin zafin jiki, ƙarancin famfo na kayan cathode, da ƙarar batirin baƙin ƙarfe phosphate na lithium mai ƙarfi daidai gwargwado ya fi na batir lithium-ion girma kamar lithium. cobalt oxide, don haka ba shi da fa’ida a cikin ƙananan batura. Lokacin amfani da batura masu ƙarfi, batir phosphate na lithium baƙin ƙarfe, kamar sauran batura, suna buƙatar fuskantar matsalolin daidaiton baturi.