Litaba

Theknoloji, Melemo, le Litšenyehelo tsa Libetri tsa Lithium-ion

Betri ea lithium-ion e sebetsa joang?E na le melemo efe ho feta betri ea asiti ea lead?Polokelo ea betri ea lithium-ion e lefa neng?A betri ea lithium-ion(e khuts'oane: betri ea lithiumion kapa betri ea Li-ion) ke lentsoe le tloaelehileng bakeng sa li-accumulators tse thehiloeng ho metsoako ea lithium ka mekhahlelo eohle e meraro, ka electrode e mpe, ho electrode e ntle hammoho le electrolyte, sele ea electrochemical.Betri ea lithium-ion e na le matla a khethehileng ha e bapisoa le mefuta e meng ea libeteri, empa e hloka li-circuits tsa ts'ireletso ea elektroniki lits'ebetsong tse ngata, kaha li arabela hampe ho tsoa ho tebileng le ho tjhaja ho feta tekano.Libetri tsa letsatsi tsa lithium ion li qosoa ka motlakase ho tloha tsamaisong ea photovoltaic ebe li lokolloa hape ha ho hlokahala.Ka nako e telele, libeteri tse etellang pele li ne li nkoa e le tharollo e loketseng ea matla a letsatsi bakeng sa morero ona.Leha ho le joalo, ho ipapisitsoe le libeteri tsa lithium-ion li na le melemo ea makhaola-khang, le hoja theko e ntse e amahanngoa le litšenyehelo tse eketsehileng, tseo, leha ho le joalo, li khutliselitsoeng ka tšebeliso e lebisitsoeng.Sebopeho sa Theknoloji le Boitšoaro ba Polokelo ea Matla ea Libetri tsa Lithium-ionLibetri tsa lithium-ion ha li fapane haholo le libeteri tsa lead-acid ka sebopeho sa tsona se akaretsang.Ke sesebelisoa sa tefiso feela se fapaneng: Ha betri e qosoa, li-ion tsa lithium "li falla" ho tloha ho electrode e ntle ho ea ho electrode e mpe ea betri 'me e lule e "boloketsoe" moo ho fihlela betri e lokolloa hape.Li-conductors tsa boleng bo holimo tsa graphite hangata li sebelisoa e le li-electrode.Leha ho le joalo, ho boetse ho na le mefuta e fapaneng e nang le li-conductor tsa tšepe kapa li-cobalt conductors.Ho latela li-conductor tse sebelisitsoeng, libeteri tsa lithium-ion li tla ba le li-voltages tse fapaneng.Electrolyte ka boeona e tlameha ho se na metsi ka betri ea lithium-ion kaha lithium le metsi li baka karabelo e mabifi.Ho fapana le ba pele ba bona ba pele-acid, libeteri tsa kajeno tsa lithium-ion (hoo e ka bang) ha li na liphello tsa mohopolo kapa ho itšehla thajana, 'me libeteri tsa lithium-ion li boloka matla a tsona ka nako e telele.Libetri tsa polokelo ea matla a lithium-ion hangata li na le likarolo tsa lik'hemik'hale tsa manganese, nickel le cobalt.Cobalt (lentsoe la lik'hemik'hale: cobalt) ke ntho e sa tloaelehang 'me ka hona e etsa hore tlhahiso ea libeteri tsa polokelo ea Li e theko e boima haholo.Ho feta moo, cobalt e kotsi tikolohong.Ka hona, ho na le liteko tse ngata tsa lipatlisiso tsa ho hlahisa lisebelisoa tsa cathode bakeng sa libeteri tsa lithium-ion tse nang le matla a phahameng a motlakase ntle le cobalt.Melemo ea Libetri tsa Lithium-ion Ho feta Libetri tsa Load-acidTšebeliso ea libeteri tsa kajeno tsa lithium-ion li tlisa melemo e mengata eo libeteri tse bonolo tsa lead-acid li ke keng tsa fana ka tsona.Ntho e 'ngoe ke hore ba na le bophelo bo bolelele ba tšebeletso ho feta libeteri tsa asiti ea lead.Betri ea lithium-ion e khona ho boloka matla a letsatsi ka nako e ka bang lilemo tse 20.Palo ea lipotoloho tsa ho tjhaja le botebo ba ho tjhaja le tsona ke tse ngata ho feta ka dibetri tsa loto.Ka lebaka la lisebelisoa tse fapaneng tse sebelisoang tlhahisong, libeteri tsa lithium-ion le tsona li bobebe ho feta libeteri tse etellang pele ebile li kopane haholoanyane.Ka hona, ba nka sebaka se senyenyane nakong ea ho kenya.Libetri tsa lithium-ion le tsona li na le thepa e ntle ea polokelo mabapi le ho itšehla thajana.Ho phaella moo, motho ha aa lokela ho lebala tšobotsi ea tikoloho: Hobane libeteri tse etellang pele ha li na tikoloho ka ho khetheha tlhahiso ea tsona ka lebaka la ho sebelisoa pele.Lipalo tsa Lintlha tsa Botekgeniki tsa Libetri tsa Lithium-ionKa lehlakoreng le leng, ho tlameha ho boleloa hore, ka lebaka la nako e telele ea tšebeliso ea libeteri tsa loto, ho na le lithuto tse ngata tse nang le moelelo oa nako e telele ho feta bakeng sa libeteri tse ncha tsa lithium-ion, e le hore tšebeliso ea tsona le litšenyehelo tse amanang le tsona. e ka boela ea baloa hamolemo le ka botšepehi.Ho phaella moo, tsamaiso ea ts'ireletso ea libeteri tsa morao-rao tsa loto ka karolo e 'ngoe e molemo ho feta ea libeteri tsa lithium-ion.Ha e le hantle, ho ameha ka bofokoli bo kotsi liseleng tsa li-ion le hona ha ho na motheo: Ka mohlala, li-dendrites, ke hore, li-deposit tsa lithium, li ka theha anode.Monyetla oa hore ebe tsena li etsa hore ho be le lipotoloho tse khutšoane, 'me ka hona qetellong li baka ho baleha ha mocheso (karabelo e makatsang e nang le tlhahiso e matla, e itlhahisang ea mocheso), e fanoa ka ho khetheha liseleng tsa lithium tse nang le likarolo tsa lisele tsa boleng bo tlase.Boemong bo bobe ka ho fetisisa, ho phatlalatsoa ha phoso ena ho lisele tsa boahelani ho ka lebisa ho karabelo ea ketane le mollo ka betri.Leha ho le joalo, ha bareki ba ntseng ba eketseha ba sebelisa libeteri tsa lithium-ion e le libeteri tsa letsatsi, liphello tsa ho ithuta tsa bahlahisi ba nang le palo e kholo ea tlhahiso li boetse li lebisa ntlafatsong ea theknoloji ea ts'ebetso ea polokelo le ts'ireletso e phahameng ea ts'ebetso ea libeteri tsa lithium-ion le ho fokotsa litšenyehelo tse eketsehileng. .Boemo ba hajoale ba nts'etsopele ea tekheniki ea libeteri tsa Li-ion bo ka akaretsoa ka lipalo tse latelang tsa bohlokoa tsa tekheniki:

Litlhaloso tsa Tekheniki ea Battery ea Lithium-ion
Lisebelisoa Polokelo ea Matla a Lehae, Telecom, UPS, Microgrid
Libaka tsa Kopo Boholo ba ho Sebelisa PV, Peak Load Shifting, Peak Valley Mode, Off-grid
Katleho 90% ho isa ho 95%
Bokhoni ba polokelo 1 kW ho ea ho MW tse 'maloa
Matla a matla 100 ho 200 Wh / kg
Nako ea ho tsoa Hora e 1 ho isa matsatsing a 'maloa
Sekhahla sa ho itlhatsoa ~ 5% ka selemo
Nako ea lipotoloho 3000 ho isa ho 10000 (ho 80% ho tsoa)
Litšenyehelo tsa matsete 1,000 ho isa ho 1,500 kWh

Bokhoni ba ho Boloka le Litšenyehelo tsa Libetri tsa Letsatsi la Lithium-ionTheko ea betri ea letsatsi ea lithium-ion hangata e phahame ho feta ea betri ea lead-acid.Ka mohlala, libeteri tse etellang pele tse nang le bokhoni ba5 kwhhona joale e bitsa chelete e ka bang lidolara tse 800 ka hora ea kilowatt ea matla a lebitso.Litsamaiso tsa lithium tse bapisoang, ka lehlakoreng le leng, li bitsa lidolara tse 1,700 ka hora ea kilowatt.Leha ho le joalo, ho ata pakeng tsa litsamaiso tse theko e tlaase le tse theko e boima haholo ho feta litsamaiso tsa loto.Mohlala, libeteri tsa lithium tse nang le 5 kWh li fumaneha hape ka lidolara tse 1,200 ka kWh.Leha ho na le litšenyehelo tse phahameng tsa theko, leha ho le joalo, litšenyehelo tsa sesebelisoa sa betri ea letsatsi la lithium-ion ka hora e bolokiloeng ea kilowatt li ntle haholo ho baloa bophelo bohle ba ts'ebeletso, kaha libeteri tsa lithium-ion li fana ka matla nako e telele ho feta libeteri tsa lead-acid, tse nang le ho nkeloa sebaka ka mora nako e itseng.Ka hona, ha u reka mokhoa oa ho boloka betri ea bolulo, motho ha aa lokela ho tšosoa ke litšenyehelo tse phahameng tsa theko, empa o tlameha ho lula a amana le katleho ea moruo ea betri ea lithium-ion ho bophelo bohle ba tšebeletso le palo ea lihora tsa kilowatt tse bolokiloeng.Liforomo tse latelang li ka sebelisoa ho bala lipalo tsohle tsa bohlokoa tsa sistimi ea polokelo ea betri ea lithium-ion bakeng sa lits'ebetso tsa PV:1) Bokhoni ba lebitso * lipotoloho tsa tefiso = Bokhoni ba ho boloka mohopolo.2) Bokhoni ba ho boloka mohopolo * Ho sebetsa hantle * Botebo ba ho tsoa = Bokhoni ba polokelo bo ka sebelisoang3) Theko ea theko / Bokhoni bo ka sebelisoang ho boloka = Litšenyehelo ka kWh e bolokiloeng

Palo ea mohlala ho bapisa loto le libeteri tsa lithium-ion ho ipapisitsoe le theko ka kWh e bolokiloeng
Libetri tsa lead-acid Betri ea lithium ion
Bokhoni ba lebitso 5 kwh 5 kwh
Bophelo ba potoloho 3300 5800
Boikemisetso ba ho boloka mohopolo 16.500 kWh 29.000 kWh
Katleho 82% 95%
Botebo ba ho tsoa 65% 90%
Sebaka sa polokelo se ka sebelisoang 8.795 kWh 24.795 kWh
Litšenyehelo tsa ho fumana 4.000 liranta 8.500 liranta
Litšenyehelo tsa polokelo ka kWh $0,45 / kWh $0,34/kWh

BSLBATT: Moetsi oa libeteri tsa Solar tsa Lithium-ionHona joale ho na le bahlahisi ba bangata le barekisi ba libeteri tsa lithium-ion.BSLBATT lithium-ion libeteri tsa letsatsisebelisa lisele tsa A-grade LiFePo4 tse tsoang ho BYD, Nintec, le CATL, li li kopanye, 'me li fane ka tsamaiso ea ho laola litefello (sistimi ea tsamaiso ea betri) e ikamahanyang le polokelo ea matla a photovoltaic ho netefatsa ts'ebetso e nepahetseng le e se nang mathata ea sele e 'ngoe le e' ngoe ea polokelo e le hammoho le tsamaiso eohle.


Nako ea poso: May-08-2024