Binciken tsarin samarwa da haɓaka haɓaka kayan cathode don batirin lithium ion

Ayyukan batirin lithium cathode abu kai tsaye yana shafar aikin baturin lithium ion, kuma farashinsa shima yana ƙayyade farashin baturin kai tsaye.Akwai matakai da yawa na samar da masana'antu don kayan cathode, hanyar haɗin kai yana da wuyar gaske, kuma kula da yanayin zafi, yanayi, da ƙazantaccen abun ciki shima yana da tsauri.Wannan labarin zai gabatar da tsarin samarwa da haɓaka haɓaka kayan batirin lithium cathode.

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Abubuwan buƙatun batirin lithium don kayan cathode:

Ƙarfin ƙayyadaddun makamashi mai mahimmanci, babban ƙayyadaddun iko, ƙarancin fitar da kai, ƙananan farashi, tsawon rayuwar sabis da aminci mai kyau.

Tsarin samar da kayan batirin lithium cathode:

Fasahar calcination ta karɓi sabuwar fasahar bushewa ta microwave don bushe ingantaccen kayan lantarki na batirin lithium, wanda ke magance matsalolin da fasahar bushewar batirin lithium ta al'ada ta ɗauki lokaci mai tsawo, yana sa babban birnin ya ragu, bushewar ba ta dace ba, kuma zurfin bushewa bai isa ba.Siffofin musamman sune kamar haka:

1. Yin amfani da kayan bushewa na microwave don kayan batirin lithium cathode, yana da sauri da sauri, kuma za'a iya kammala bushewa mai zurfi a cikin 'yan mintuna kaɗan, wanda zai iya sa abun ciki na ƙarshe ya kai fiye da dubu ɗaya;

2. bushewa yana da uniform kuma ingancin bushewa na samfurin yana da kyau;

3. Kayan cathode na baturin lithium yana da inganci sosai, ceton makamashi, aminci da yanayin muhalli;

4. Ba shi da rashin ƙarfi na thermal, kuma gaggawar dumama yana da sauƙin sarrafawa.The cathode abu na microwave sintered lithium baturi yana da halaye na sauri dumama kudi, high amfani da makamashi kudi, high dumama yadda ya dace, aminci, tsabta da kuma gurbatawa-free, kuma zai iya inganta uniformity da yawan amfanin ƙasa na samfurin, da kuma inganta microstructure da aiki. na sintered abu.

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Hanyar shiri gabaɗaya na kayan baturin lithium cathode:

1. Hanyar lokaci mai ƙarfi

Gabaɗaya, ana amfani da gishirin lithium irin su lithium carbonate da cobalt mahadi ko mahaɗin nickel don niƙa da haɗawa, sannan ana aiwatar da yanayin da ya dace.Amfanin wannan hanyar shine tsarin yana da sauƙi kuma ana samun albarkatun ƙasa.Yana cikin hanyar da aka yi bincike da yawa, haɓakawa da samar da ita a farkon matakin haɓaka batirin lithium, kuma fasahar ƙasashen waje ta balaga;Rashin kwanciyar hankali da rashin daidaiton ingancin tsari-zuwa-tsari.

2. Hanyar hadaddun

Hanyar hadaddun tana amfani da hadadden kwayoyin halitta don fara shirya hadadden precursor mai dauke da lithium ions da cobalt ko vanadium ions, sannan siter don shirya.Fa'idodin wannan hanyar sune haɗuwa da sikelin sikelin, ingantaccen kayan abu mai kyau da kwanciyar hankali na aiki, da ƙarfin ƙarfin ingantaccen kayan lantarki fiye da ingantaccen lokaci.An gwada shi a ƙasashen waje a matsayin hanyar masana'antu don batir lithium, amma fasahar ba ta girma ba, kuma akwai 'yan rahotanni a China..

3. Hanyar Sol-gel

Yin amfani da hanyar shirya barbashi na ultrafine da aka haɓaka a cikin 1970s don shirya ingantaccen kayan lantarki, wannan hanyar tana da fa'ida daga cikin hadaddun hanya, kuma kayan lantarki da aka shirya yana da ingantaccen ƙarfin lantarki, wanda ke haɓaka cikin sauri a gida da waje.hanya.Rashin hasara shine cewa farashin yana da yawa, kuma fasahar har yanzu tana cikin ci gaba.

4. Hanyar musayar ion

LiMnO2 da aka shirya ta hanyar musayar ion ya sami babban ƙarfin jujjuyawar fitarwa na 270mA·h/g.Wannan hanyar ta zama sabon wurin bincike.Yana da halaye na barga lantarki yi da high capacitance.Duk da haka, tsarin ya ƙunshi matakai masu cin makamashi da cin lokaci irin su recrystallization na bayani da evaporation, kuma har yanzu akwai nisa mai yawa daga aiki.

Haɓaka haɓakar kayan batirin lithium cathode:

A matsayin muhimmin sashe na batir lithium, masana'antar kayan batirin cathode na ƙasata ta haɓaka cikin sauri.Tare da haɓaka sabbin masana'antar abubuwan hawa makamashi da masana'antar ajiyar makamashi, ana tsammanin masana'antar batirin lithium cathode kayan masana'antar za ta zama babban ƙarfin haɓakar masana'antar kayan aikin cathode dangane da rabe-raben lithium baƙin ƙarfe phosphate da kayan ternary. nan gaba, kuma zai haifar da ƙarin dama.da kalubale.

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A cikin shekaru uku masu zuwa, baturan lithium za su ci gaba da kwanciyar hankali da ci gaba mai ɗorewa, kuma ana sa ran jimlar buƙatun batirin lithium zai kai 130Gwh a cikin 2019. Saboda ci gaba da fadada filayen aikace-aikacen baturi na lithium baturi, kayan lithium baturi cathode suna ci gaba da haɓaka da fadadawa. .

Haɓaka haɓakar sabbin motocin makamashi ya haifar da ci gaba mai dorewa da sauri na masana'antar batirin lithium gabaɗaya.An kiyasta cewa ana sa ran kayan cathode na batirin lithium na duniya zai wuce tan 300,000 a cikin 2019. Daga cikinsu, kayan ternary za su haɓaka cikin sauri, tare da matsakaicin haɓakar fili na shekara-shekara fiye da 30%.A nan gaba, NCM da NCA za su zama babban kayan aikin cathode na motoci.Ana sa ran yin amfani da kayan aikin ternary zai kai kusan kashi 80% na kayan kera motoci a shekarar 2019.

Baturin lithium shine makomar ci gaban baturi, kuma kasuwar kayan sa ta cathode tana da kyakkyawan fata na ci gaba.A sa'i daya kuma, tallata wayoyin hannu na 3G da kuma yin tallace-tallace da yawa na sabbin motocin makamashi, za su kawo sabbin damammaki na kayayyakin cathode na batirin lithium.Kayan batirin lithium cathode suna da kasuwa mai fa'ida, kuma buƙatun suna da kyakkyawan fata.


Lokacin aikawa: Afrilu-18-2022