LiFePO4 Battery

Betri ea lithium iron phosphate ke betri ea lithium-ion e sebelisang lithium iron phosphate (LiFePO4) e le thepa e ntle ea electrode le carbon e le lisebelisoa tse mpe tsa electrode.
Nakong ea ts'ebetso ea ho tjhaja, tse ling tsa li-ion tsa lithium ka har'a lithium iron phosphate li ntšoa, li fetisetsoa ho electrode e mpe ka electrolyte, ebe li kenngoa ka har'a lisebelisoa tsa carbon electrode negative;ka nako e ts'oanang, li-electrone li lokolloa ho tloha ho electrode e ntle 'me li fihla ho electrode e mpe ho tloha potolohong ea ka ntle ho boloka tekanyo ea lik'hemik'hale tsa lik'hemik'hale.Nakong ea ts'ebetso ea ho tsoa, ​​li-ion tsa lithium li ntšoa ho electrode e mpe 'me li fihla ho electrode e ntle ka electrolyte.Ka nako e ts'oanang, electrode e mpe e ntša li-electrone 'me e fihla ho electrode e ntle ho tloha potolohong e ka ntle ho fana ka matla bakeng sa lefatše le ka ntle.
Libetri tsa LiFePO4 li na le melemo ea matla a phahameng a ho sebetsa, matla a mangata a matla, bophelo ba nako e telele ea potoloho, ts'ebetso e ntle ea ts'ireletso, tekanyo e tlaase ea ho itšeha 'me ha ho na phello ea mohopolo.
Likarolo tsa Sebopeho sa Battery
Lehlakore le letšehali la betri ea lithium iron phosphate ke electrode e ntle e entsoeng ka thepa ea olivine LiFePO4, e kopantsoeng le electrode e ntle ea betri ka foil ea aluminium.Ka ho le letona ke electrode e mpe ea betri e entsoeng ka carbon (graphite), e kopantsoeng le electrode e mpe ea betri ka foil ea koporo.Bohareng ke karohano ea polymer, e arolang electrode e ntle ho electrode e mpe, 'me li-ion tsa lithium li ka feta ka karohano empa li-electrone ha li khone.Bokahare ba betri bo tletse ka electrolyte, 'me betri e tiisitsoe ka mokhoa o tiileng ka k'hase ea tšepe.

Litšobotsi tsa betri ea lithium iron phosphate
Matla a phahameng a matla

Ho ea ka litlaleho, matla a matla a square aluminium shell a lithium iron phosphate betri e hlahisitsoeng ka 2018 e ka ba 160Wh/kg.Ka 2019, bahlahisi ba bang ba hloahloa ba betri ba kanna ba fihlela boemo ba 175-180Wh/kg.Theknoloji ea chip le bokhoni li etsoa hore li be kholoanyane, kapa 185Wh / kg li ka finyelloa.
ts'ebetso e ntle ea polokeho
Ts'ebetso ea electrochemical ea thepa ea cathode ea lithium iron phosphate betri e batla e tsitsitse, e etsang qeto ea hore e na le sethala se tsitsitseng sa ho tjhaja le ho lahla.Ka hona, sebopeho sa betri se ke ke sa fetoha nakong ea ts'ebetso ea ho tjhaja le ho ntša, 'me e ke ke ea chesa le ho phatloha.E ntse e sireletsehile haholo tlas'a maemo a khethehileng a kang ho tjhaja, ho petetsa, le ho hlaba ka linalete.

Bophelo ba potoloho e telele

Bophelo ba potoloho ea 1C ea libeteri tsa lithium iron phosphate hangata bo fihla makhetlo a 2,000, kapa esita le ho feta makhetlo a 3,500, ha 'maraka oa polokelo ea matla o hloka linako tse fetang 4,000-5,000, ho netefatsa bophelo ba tšebeletso ea lilemo tse 8-10, tse phahameng ho feta 1,000 cycles. ea libeteri tsa ternary.Bophelo ba potoloho ea libeteri tse telele tsa lead-acid ke makhetlo a ka bang 300.
Tšebeliso ea indasteri ea betri ea lithium iron phosphate

Tšebeliso ea indasteri e ncha ea likoloi tsa motlakase

"Leano la Ntlafatso ea Indasteri ea Likoloi tsa Motlakase le Matla a Macha" la naha ea heso le sisinya hore "sepheo se akaretsang sa nts'etsopele ea makoloi a macha a naha ea heso ke: ka 2020, tlhahiso le thekiso ea makoloi a macha e tla fihla ho limilione tse 5, 'me naha ea heso sekala sa ho boloka matla le matla a macha a indasteri ea likoloi li tla ba maemong a lefats'e.moleng o ka pele”.Libetri tsa lithium iron phosphate li sebelisoa haholo likoloing tsa baeti, likoloi tsa baeti, likoloi tsa thepa, likoloi tsa motlakase tse lebelo le tlaase, joalo-joalo ka lebaka la melemo ea tsona ea polokeho e ntle le theko e tlaase.E susumetsoa ke leano, libeteri tsa ternary li lula li le maemong a phahameng ka monyetla oa matla a matla, empa libeteri tsa lithium iron phosphate li ntse li na le melemo e ke keng ea nkeloa sebaka likoloing tsa baeti, likoloing tsa thepa le libakeng tse ling.Lebaleng la likoloi tsa bapalami, libeteri tsa lithium iron phosphate li ne li etsa hoo e ka bang 76%, 81%, 78% ea lihlopha tsa 5, 6 le 7 tsa "Catalogue of Recommended Models for Promotion and Application of New Energy Vehicles" (kamora mona. e bitsoang "Catalogue") ka 2018. %, e ntse e boloka tse tloaelehileng.Lebaleng la likoloi tse khethehileng, libeteri tsa lithium iron phosphate li ne li ka ba 30%, 32%, le 40% ea lihlopha tsa 5, 6 le 7 tsa "Catalogue" ka 2018, ka ho latellana, 'me karolo ea likopo e ntse e eketseha butle-butle. .
Yang Yusheng, setsebi sa thuto ea Setsi sa Boenjiniere sa China, o lumela hore tšebeliso ea libeteri tsa lithium iron phosphate 'marakeng oa likoloi tsa motlakase o atolositsoeng e ke ke ea ntlafatsa polokeho ea likoloi feela, empa hape e ts'ehetsa papatso ea likoloi tsa motlakase tse atolositsoeng, ho felisa lik'hilomithara, polokeho, theko, le litšenyehelo tsa likoloi tse hloekileng tsa motlakase.Ho tšoenyeha ka ho tjhaja, mathata a latelang a betri, joalo-joalo Nakong ea ho tloha 2007 ho ea ho 2013, lik'hamphani tse ngata tsa likoloi li qalile merero ea likoloi tsa motlakase tse hloekileng tse atolositsoeng.

Qala kopo ka matla

Ntle le litšoaneleho tsa libeteri tsa lithium tsa matla, betri ea "lithium iron phosphate" e qalang e na le bokhoni ba ho ntša matla a phahameng hang hang.Betri e tloaelehileng ea lead-acid e nkeloa sebaka ke betri ea matla ea lithium e nang le matla a ka tlase ho hora e le 'ngoe ea kilowatt,' me enjene ea setso e qalang le jenereithara e nkeloa sebaka ke koloi ea BSG., ha e na ts'ebetso ea ho emisa feela, empa e boetse e na le mesebetsi ea ho koala enjene le lebopong, lebopong le ho hlasimolla matla a braking, acceleration booster le cruise cruise.

Likopo 'marakeng oa polokelo ea matla

Betri ea LiFePO4 e na le letoto la melemo e ikhethang e kang matla a phahameng a ho sebetsa, matla a phahameng a matla, bophelo bo bolelele ba potoloho, tekanyo e tlaase ea ho itšehla thajana, ha ho na mohopolo, tšireletso ea tikoloho e tala, joalo-joalo, 'me e tšehetsa katoloso e se nang mohato, e loketseng motlakase o moholo. polokelo ea matla, liteisheneng tsa Motlakase O ka nchafatsoang li na le menyetla e metle ea ts'ebeliso maemong a khokahano e sireletsehileng ea marang-rang a phepelo ea motlakase, taolo ea tlhoro ea marang-rang a matla, liteishene tsa motlakase tse ajoang, phepelo ea motlakase ea UPS, le lits'ebetso tsa phepelo ea motlakase maemong a tšohanyetso.
Ho ea ka tlaleho ea morao-rao ea polokelo ea matla e sa tsoa lokolloa ke GTM Research, mokhatlo oa machaba oa lipatlisiso tsa 'maraka, ts'ebeliso ea merero ea ho boloka matla a marang-rang Chaena ka 2018 e ile ea tsoela pele ho eketsa tšebeliso ea libeteri tsa lithium iron phosphate.
Ka ho phahama ha 'maraka oa polokelo ea matla, lilemong tsa morao tjena, lik'hamphani tse ling tsa betri ea matla li sebelisitse khoebo ea polokelo ea matla ho bula limmaraka tse ncha tsa kopo bakeng sa libeteri tsa lithium iron phosphate.Ka lehlakoreng le leng, ka lebaka la litšobotsi tsa bophelo bo bolelele ba nako e telele, ts'ebeliso e bolokehileng, bokhoni bo boholo, le ts'ireletso ea tikoloho e tala, lithium iron phosphate e ka fetisetsoa tšimong ea polokelo ea matla, e tla lelefatsa ketane ea boleng le ho khothaletsa ho theha mokhoa o mocha oa khoebo.Ka lehlakoreng le leng, sistimi ea polokelo ea matla e tšehetsang betri ea lithium iron phosphate e fetohile khetho e ka sehloohong 'marakeng.Ho ea ka litlaleho, libeteri tsa lithium iron phosphate li 'nile tsa lekoa ho sebelisoa libese tsa motlakase, literaka tsa motlakase, lehlakoreng la basebelisi le taolo ea maqhubu a marang-rang.
1. Ho fehla matla a matla a tsosolositsoeng joalo ka phehlo ea matla a moea le ho fehla matla a photovoltaic ho hoketsoe ka mokhoa o sireletsehileng ho marang-rang.Ho se tsitse, ho se tsitse le ho se tsitse ha phehlo ya matla a moya ho bontsha hore ntshetsopele ya yona e kgolo e tla ba le kgahlamelo e kgolo tshebetsong e bolokehileng ya tsamaiso ya matla.Ka tsoelo-pele e potlakileng ea indasteri ea matla a moea, haholo-holo boholo ba mapolasi a moea naheng ea heso ke "ntlafatso e kholo ea bohareng le phetiso ea libaka tse telele", phepelo ea motlakase e hokahantsoeng ke marang-rang ea mapolasi a maholo a moea e baka mathata a maholo ts'ebetso le taolo ea marang-rang a maholo a matla.
Ho hlahisa matla a photovoltaic ho angoa ke mocheso o potolohileng, matla a khanya ea letsatsi le maemo a leholimo, 'me tlhahiso ea matla a photovoltaic e fana ka litšobotsi tsa ho fetoha ho sa tloaelehang.naha ea heso e hlahisa mokhoa oa nts'etsopele ea "ntlafatso e arotsoeng, phihlello e tlase ea motlakase sebakeng sa marang-rang" le "ts'ebetso e kholo ea phihlello, phihlello ea motlakase o mahareng le o phahameng", e hlahisang litlhoko tse phahameng tsa taolo ea tlhoro ea marang-rang le ts'ebetso e bolokehileng ea litsamaiso tsa motlakase.
Ka hona, lihlahisoa tse ngata tsa polokelo ea matla li fetohile ntlha ea bohlokoa ho rarolla ho hanyetsana pakeng tsa marang-rang le ho hlahisa matla a tsosolositsoeng.Sistimi ea polokelo ea matla ea betri ea lithium iron phosphate e na le litšobotsi tsa phetoho e potlakileng ea maemo a ts'ebetso, mokhoa o bonolo oa ts'ebetso, ts'ebetso e phahameng, polokeho le ts'ireletso ea tikoloho, le scalability e matla.Bothata ba taolo ea motlakase oa lehae, ho ntlafatsa ts'epahalo ea phepelo ea matla a ka nchafatsoang le ho ntlafatsa boleng ba motlakase, e le hore matla a ka nchafatsoang e ka fetoha phepelo ea motlakase e tsoelang pele le e tsitsitseng.
Ka keketseho e tsoelang pele ea bokhoni le tekanyo, le khōlo e tsoelang pele ea theknoloji e kopantsoeng, litšenyehelo tsa mekhoa ea ho boloka matla li tla fokotsoa le ho feta.Kamora liteko tsa nako e telele tsa polokeho le ts'epo, lits'ebetso tsa polokelo ea matla a betri ea lithium iron phosphate li lebelletsoe ho sebelisoa ka matla a tsosolositsoeng joalo ka matla a moea le ho hlahisa matla a photovoltaic.E 'nile ea sebelisoa haholo khokahanyong ea marang-rang e sireletsehileng ea tlhahiso ea matla le ntlafatso ea boleng ba matla.
2 taolo ea tlhoro ea grid ea matla.Mokhoa o ka sehloohong oa taolo ea tlhoro ea marang-rang ea motlakase esale e le liteishene tsa polokelo ea motlakase tse pompetsoeng.Kaha setsi sa motlakase se bolokang lipompo se hloka ho haha ​​matamo a mabeli, matamo a kaholimo le a tlase, a thibetsoeng haholo ke maemo a sebaka, ha ho bonolo ho aha sebakeng se thota, 'me sebaka seo se seholo le litšenyehelo tsa ho li hlokomela li holimo.Ts'ebeliso ea sistimi ea polokelo ea matla ea betri ea lithium iron phosphate ho nkela sebaka sa polokelo ea motlakase se pompetsoeng, ho sebetsana le boima bo phahameng ba marang-rang a matla, bo sa lekanyetsoang ke maemo a sebaka, khetho ea sebaka sa mahala, matsete a fokolang, mosebetsi o fokolang oa mobu, litšenyehelo tse tlase tsa tlhokomelo, e tla bapala karolo ea bohlokoa ts'ebetsong ea taolo ea tlhoro ea grid ea matla.
3 Liteishene tsa motlakase tse ajoang.Ka lebaka la bofokoli ba marang-rang a maholo a matla ka boeona, ho thata ho tiisa boleng, bokhoni, polokeho le litlhoko tsa botšepehi ba matla a matla.Bakeng sa likarolo tsa bohlokoa le likhoebo, phepelo ea motlakase e habeli kapa esita le lisebelisoa tse ngata tsa motlakase hangata lia hlokahala e le bekapo le ts'ireletso.Sistimi ea polokelo ea matla ea betri ea lithium iron phosphate e ka fokotsa kapa ea qoba ho khaoha ha motlakase ho bakoang ke ho hloleha ha marang-rang le liketsahalo tse fapaneng tse sa lebelloang, le ho netefatsa phepelo ea motlakase e bolokehileng le e tšepahalang lipetlele, libanka, litsi tsa taolo le taolo, litsi tsa ts'ebetso ea data, liindasteri tsa thepa ea lik'hemik'hale le ho nepahala. liindasteri tsa tlhahiso.Bapala karolo ea bohlokoa.
4 UPS phepelo ea motlakase.Khatelo-pele e tsoelang pele le e potlakileng ea moruo oa Chaena e lebisitse ho theoleng litlhoko tsa basebelisi ba phepelo ea motlakase UPS, e leng se entseng hore liindasteri le likhoebo tse ngata li be le tlhokahalo e tsoelang pele ea phepelo ea motlakase ea UPS.
Ha ho bapisoa le libeteri tsa lead-acid, libeteri tsa lithium iron phosphate li na le melemo ea bophelo bo bolelele ba potoloho, polokeho le botsitso, ts'ireletso ea tikoloho e tala, le sekhahla se tlase sa ho itšehla thajana.e tla sebelisoa haholo.

Lisebelisoa libakeng tse ling

Libetri tsa lithium iron phosphate le tsona li sebelisoa haholo lebaleng la sesole ka lebaka la bophelo ba tsona bo botle ba potoloho, polokeho, ts'ebetso e tlase ea mocheso le melemo e meng.Ka la 10 Mphalane, 2018, k'hamphani ea betri e Shandong e ile ea hlaha ka matla Pontšong ea pele ea Qingdao Military-Civilian Integration Technology Innovation Achievement Exhibition, 'me ea bonts'a lihlahisoa tsa sesole tse kenyelletsang -45 ℃ libeteri tsa sesole tse tlase haholo.