Lithium mabhatiri anosimbisa zvese kubva kumafoni kuendacontainerized energy storage systems-asi kuita kwavo kunotsamira pane imwe vhezheni isingatarisire zvikwata zvepurojekiti zvakawanda: tembiricha. Ungave uri kutumira BESS murenje reArizona kana kunzvimbo inotonhora-yemamiriro ekunze eindasitiri kuchamhembe kweMinnesota, kuwana hamvuropu inodziya zvisiri izvo kunoda mari chaiyo uye zvinounza njodzi chaiyo.
Gwaro iri rinobata zvinotemerwa tembiricha pakushanda, kuchaja, kuchengeta, nekuisa mabhatiri elithium pasi pe-mamiriro chaiwo enyika. Inotarisa pane lithium iron phosphate (LiFePO4) chemistry, iyo inotonga yekutengesa uye maindasitiri ekuchengetedza simba nekuda kwezvikonzero zvichave zvakajeka.
Ndeipi Iyo Yakachengeteka Inoshanda Temperature Range yeLithium Bhatiri?
Lithium-mabhatiri eion anoita zvakanaka mukati mehwindo rinopisa. Enda kunze kwayo uye unenge usiri kungorasikirwa nehunyanzvi-uri kuisa njodzi yekukuvadzwa kwesero zvachose, kupfupisa hupenyu hwesevhisi, uye zvakaipisisa, kupera kwemafuta.
Kutenderana kwevagadziri uye masangano ekuyedza{{0}kusanganisira data rakatsikiswa neTier 1 LiFePO4 vanogadzira maseru akaita seCATL neBYD-kunoparara sezvizvi. Kuti uite zvakakwana, mabhatiri e-lithium anofanirwa kushanda pakati pe15℃uye 35℃(59℃F kusvika 95℃F). Kuchaja kunofanirwa kuitika chete pakati pe0℃ne45℃(32℃F kusvika 113℃F). Pa-nguva refu yekuchengeta, inokurudzirwa kuti -20℃kusvika 25℃(-4℃F kusvika 77℃F), pamwe pa30% kusvika 50% state of charge. Mhedziso yepamusoro yetembiricha chikumbaridzo inogara yakatenderedza 60 madhigirii (140 degrees F), kupfuura iyo isingagadzirise kukuvara uye njodzi dzakakomba dzekuchengetedza dzinowedzera zvakanyanya.
Nei LiFePO4 chaizvo? Thermal runaway threshold inogara 270℃(518℃F), per data from cell-level abuse yekuongorora neUL nemalab akazvimirira. Enzanisa izvozvo kusvika ku150℃kusvika 210℃yenickel manganese cobalt (NMC) chemistries. Harisi mukaha mudiki-ndiwo mutsauko uripo pakati pemakemikari anoshivirira kukanganisa neanovaranga. Ndicho chikonzero chikuru LiFePO4 ikozvino inoraira ingangoita makumi manomwe neshanu muzana ezvimisikidzo zvekuchengetedza pasi rose, maererano neBloombergNEF's 2024 simba rekuchengetedza musika tracker. Iyo inherent thermal margin zvakare chikonzero nei LiFePO4 inotonga iyohigh voltage bhatiri simba rekuchengetedzamusika wekutengesa uye maindasitiri application.
Kutonhora Kwekunze Kunokanganisa Sei Lithium Battery Performance
Kutonhora kunonotsa zvese pasi pasero level. Pazasi 15 dhigirii, yemukati kuramba inokwira, iripo inodonha madonhwe, uye kubuda kwemagetsi kunodonha. Pa 0 dhigirii, tarisira ingangoita 80% yehuwandu hwakayerwa. Pa-20℃, unogona kuona 60% kana pasi. Idzi hadzisi nhamba dze theoretical-dzinopindirana pane dzakaburitswa discharge curves kubva kune makuru anogadzira maseru.
Asi njodzi chaiyo haina kuderedzwa kubuda. Iri kuchaja.
Paunosundidzira ikozvino mubhatiri relithium pazasi 0 dhigirii (32 dhigirii F), simbi lithium inokwanisa kubaya pamusoro peanode pachinzvimbo chekupindirana muchimiro chegraphite nenzira yainofanirwa kuita. Iyi lithium plating, uye ndeyekusingaperi. Chiitiko chekuchaja chimwe pakupisa{{4}kutonhora kwechando kunogona kukonzera kurasikirwa kwesimba zvekuti hapana kuchengetwa kunozodzokera shure. Inogadzirawo nzira pfupi dzemukati-dzedunhu. Uku hakusi kuita zvishoma nezvishoma{8}}ikanganiso yenguva imwe chete ine mibairo isingaperi.
Muenzaniso webasa:Mukutanga kwa2023, nzvimbo yekugadzira iri pakati peWisconsin yakaunza 500 kWh LiFePO4 BESS yepamhepo yekuderedza kudiwa kwepamusoro. Iyo yekutanga kuisirwa yakashandiswa chete basic insulation isina inoshanda yekudziya system. Mumwaka wechando wekutanga, BMS yakachaja kakawanda patembiricha yemasero ari pakati pe-5 madhigirii ne-2 madhigirii ekudzivirira asati atanga. Pachirimo chakatevera, sisitimu iyi yakanga yarasikirwa nechikamu chinosvika 8% chesimba rayo rinogona kushandiswa{{13}kure mberi kweinofungidzirwa kuti inokanganisa. Retrofit ine pre-kupisa zvinhu uye yakagadziridzwa BMS firmware yakadzikamisa sisitimu, asi iyo yakarasika simba yakanga isingagoneke. Musanganisi akagovera iyi kesi ikozvino anofungidzira kupisa kunoshanda pane yega inotonhora-yemamiriro ekunze chirongwa, zvisinei nekumanikidzwa kwebhajeti.
Pakuchengetedza simba munzvimbo dzinotonhora, kutonga kwekushisa hakusi sarudzo-kune chimiro. Mazuvanokunze kabati BESS mhindurogadzirisa izvi nekudziisa bhatiri rakasanganiswa rinounza maseru pamusoro pechikumbaridzo chakachengeteka chekuchaja usati wabvuma chero ikozvino. Yepamberi BMS mapuratifomu anotarisisa kupisa kwesero munguva chaiyo uye anoramba zvachose kubhadharisa mirairo kana mamiriro asina kuchengetedzeka.
Mazano anobatsira ekutonhora-kuiswa kwemamiriro ekunze: kuisa masisitimu munzvimbo dzakavharirwa kana dzakavharirwa, shandisa BMS-yakatanga kudziya{2}}yakatangira{2}}kupisa usati wachajiswa, mavhariro enzvimbo kuti utore kunyura kwezuva mukati mezuva, uye tsanangura nzvimbo dzakavharirwa pakushanduka kwetembiricha kwakakura. Izvi hazvina kunaka-kuva-kuve nazvozvinobatsira-zvikero uye zvekutengesa magetsi mapurojekitimuchikamu chekuchamhembe kweUS kana Canada. Ndidzo dzekutanga.
Chii Chinoitika Kana Lithium Mabhatiri Akapisa?
Kutonhora kunorwadza kwekanguva. Kupisa kunokuvadza zvachose.
Tembiricha yakadzikama iri pamusoro pe35 degrees inomhanyisa kuora kweelectrolyte, inomhanyisa SEI (yakasimba-electrolyte interphase) kukura, uye kuderedza zvinhu zvemagetsi. Kuchembera kwekarenda kubva kuchirongwa cheSandia National Laboratories Energy Storage Testing kunoratidza kuti lithium-maion cells akachengetwa aine 55 degrees kwemwedzi mitanhatu anogona kurasikirwa nechikamu chinosvika 10% cheunokwanisa kushandiswa, ukuwo maseru akachengetwa aine 15 degrees achiramba aine 95% kwegore rose. Musiyano unoshamisa-uye unowedzera.
Mutemo wechigunwe unoshandiswa nevakawanda mainjiniya ebhatiri: yega yega gumi madhigirii ekuwedzera mukusimba kwekushanda tembiricha inopeta kaviri mwero wekuparara kwemakemikari. Kune BESS yekutengeserana inotarisirwa kuunza zviuru zvitanhatu zvechaji kana kudarika-madhizaini ekubvisa mukati memakore gumi nemashanu, izvi hazvisi zvega. Sisitimu inoshanda nguva dzose pa45℃pane 25℃inogona kurasikirwa nemakore ebasa rinobatsira. Makore.
Muenzaniso webasa:Chirongwa chesolar-kuwedzera-chipurojekiti chekuchengetedza kumaodzanyemba kweArizona-2 MWh LiFePO4 sisitimu yakaiswa muna 2021-yakatanga yaitsamira pakutonhodzwa-kutonhodzwa kwemhepo yakaenzana ne "avhareji" yemamiriro ekunze. Mumazhizha maviri ekutanga, nekudziya kwakadzikama kwekunze kunodarika 45 degrees, tembiricha yemukati yesero yaigara ichityora 40℃panguva yemasikati ekubuda. Mushure memwedzi gumi nemasere, mushandisi akanyora kudonha kwehuwandu hwe12%, kunze kwetarisiro yewaranti. Iyo sisitimu yakadzokororwa neyemvura inotonhorera loop, uye kuderedzwa kwakadzokera kune yakajairwa mitengo. Mushandi anofungidzira kuderedzwa kwekutanga kunodhura madhora zana nemakumi masere e000 mukurasikirwa kwesimba kuburikidza nekukosha kwehupenyu hunofungidzirwa hwehupenyu. Sezvakataurwa nemumwe weinjiniya wavo: "Takachengeta $ 40K pakutonhora kumusoro uye zvakatidyira zvakapetwa kana."
Kunze kwekukurumidzira kuchembera, kupisa kwakanyanya kunounza njodzi dzakasimba dzekuchengetedza. Kana tembiricha yebhatiri yemukati ichipfuura 60℃, zvikamu zvesero zvinotanga kuparara nenzira dzinounza kumwe kupisa. Kana kupisa kwemoto kuchipfuura kukwanisa kwesero kuibvisa, mhedzisiro yacho ndeyekumhanya kwemafuta-kuzvisimbisa wega-kuzvisimbisa cheni zvinogona kutungamira mukubuda kwemagasi ane chepfu, moto, kana kuputika. Mune{{6}masero ebhatiri mapakeji, chinomhanya chinomhanya musero rimwe chete chinogona kuyerera chichienda kumaseru akatarisana, chichigadzira chiitiko chikuru-chinopisa.
Ichi ndicho chikonzero magadzirirwo epamberi eBESS, kusanganisiracontainerized bhatiri simba rekuchengetedza masisitimu, zvinosanganisira kutonhora kwemvura kana kumanikidzwa-kutarisira kupisa kwemhepo kwakarongwa kuchengetedza sero rega rega mukati mehwindo rakakwana, kunyangwe mumamiriro{1}}akanyanya kuipa. Masisitimu aya anochengetedza maseru-ku{4}}kufanana kwetembiricha yemusero, izvo zvinonatsiridza kusakwana uye kuwedzera hupenyu hwepack yese.
Kuchaja uye Kuburitsa Tembiricha Miganho: Hazvina Kufanana
Iyi ipfungwa inofanirwa kusimbiswa nekuti inobata vanhu vasina kungwarira. Miganho yekubvisa yakafara pane inogumira kuchaja.
Mabhatiri mazhinji elithium-ioni anogona kubuda zvisina njodzi kubva pa -20℃kusvika 60℃(-4℃F kusvika 140℃F), kunyange hazvo kushanda kuchidzikisira kumagumo ese eiyo spectrum. Kuchaja, zvisinei, kunofanirwa kugumira ku0℃kusvika 45℃(32℃F kusvika 113℃F).
Asymmetry iripo nekuti kuchaja maion lithium kupinda muchimiro cheanode-zvinoitika zvinonetsa kana anode ichitonhora uye isina kusimba kana kupisa kwakanyanya kunotadzisa electrolyte. Panguva yekubuda, iyo electrochemical process inoregerera zvakanyanya, kunyangwe mitoro inorema patembiricha yakanyanyisa icharamba ichiburitsa kupisa kwemukati kwakanyanya uye kukurumidza kupfeka.
Pa-zviyero zvakakura, musiyano uyu unokosha panguva yekugadzira sisitimu. Akutengeserana uye maindasitiri BESS kuiswakubhadharisa zuva nezuva-kubvisa mavhaira ekuveura ndebvu kunofanirwa kuve nechokwadi chekuti chaja (kazhinji mukati mezuva remasikati kana kudzima-maawa egidhi epamusoro) uye chikamu chekubuda (panguva yemanheru ekukwirira kwepamusoro) zvinoitika mukati memiganhu yekupisa. Intelligent EMS mapuratifomu anobatana neBMS kuronga mashandiro mukati mezvipingaidzo izvi otomatiki-asi thermal management hardware inofanirwa kunge iripo kuti itsigire.
Nei Thermal Management Isiri-Kutaurika kune Masimba Ekuchengetedza Masimba
Tembiricha haingori imwe mutsara pane spec sheet. Ndicho chinhu chimwe chikuru chekunze chinotarisa kuti system yako inotora nguva yakareba sei, inoshanda zvakachengetedzeka sei, uye kukosha kwainodzoka pahupenyu hwayo. Bvunza chero BESS musanganisi anga ari mumunda kweanopfuura makore mashoma. Nyaya dzehondo dzinenge dzinogara dzichisanganisira kutonga kwekupisa.
Inoshanda thermal management inoshanda muzvikamu. Masensor etembiricha akaparadzirwa mukati mebhatiri pack anopa chaiyo-nguva yesero nemodule data. Iyo BMS inogadzirisa iyo data uye inokonzeresa kudziyisa mumamiriro ekutonhora kana kumhanyisa kutonhora kana zvinhu zvadziya. Iyo yakavharirwa pachayo inobatsira kuburikidza nekugadzira dhizaini, kuronga kufefetera, uye zviyero zvekudzivirira zvinofananidzwa nenzvimbo yekuisa.
Kutonhora kwemvura kwave chiyero chepakati nepakati-chikero cheBESS deployments. Inopa kudzora tembiricha chaiyo, inochengetedza sero yakasimba-ku{3}}kufanana kwesero (kazhinji mukati medhigirii 2–3, maererano nedhigirii rekushanda kwemafuta inoburitswa nevanotungamira BESS integrators), uye inobata kudziya kwemafuta kubva kumusoro-kumhanya kwemabhasikoro. Mhepo-masisitimu akatonhodzwa achiri kushanda kune zvidiki zvidiki zvine zvinodiwa zvekuchovha bhasikoro zviri pakati nepakati-asi indasitiri yave kufamba zvine hungwaru pakutonhodza kwemvura kune chero chinhu chiri pamusoro pe200 kWh.
Zveupfumi zviri pachena. Zvinoenderana nedhita rekuita rakaunganidzwa naWood Mackenzie's ekuchengetedza simba bhenji, LiFePO4 BESS kumisikidzwa ine yakanyatsogadzirwa yekupisa manejimendi inoratidza isingasviki 5% kuderera kwehuwandu mushure memakore mashanu ekukwira bhasikoro zuva nezuva. Masisitimu asina kufambiswa zvakanaka-kusatonhodza zvakakwana, hapana kudziyisa-kusati kwaitika, kuchinjika kusingadzoreki kwekushisa-kunogona kurasikirwa ne15% kusvika 20% kana kudarika munguva imwe cheteyo. Nokuti aakawanda{{0}megawati-awa BESS mari, mukaha iwoyo unomiririra mazana ezviuru zvemadhora mukurasikirwa kwesimba kukosha kwehupenyu hweprojekiti.
Maitiro Akanyanya Kugadzirisa Lithium Battery Temperature
Hapana chimwe cheizvi chinoda exotic tekinoroji. Zvinoda dhizaini ine mufungo uye chirango chekushanda.
Isa masisitimu ebhatiri munzvimbo dzinoderedza kutarisana nechiedza chezuva chakananga, kupisa kwakanyanya mukati, kana chando chisingaperi. Pakutumirwa kwekunze, tsanangura zvakavharirwa zvine IP yakafanira uye manejimendi emafuta akabatanidzwa-kwete sekuwedzera-asi sechikamu chegadziriro. Ita shuwa kuti BMS inosanganisira zvese zviri zviviri-tembiricha uye pasi-zvidziviriro zvekudzivirira tembiricha zvakaoma-kuvharisa kuchaji kana kubuda kana mamiriro asina kuchengetedzeka.
Nekuchengetedza-kwenguva refu, chengeta mabhatiri ari pa30% kusvika 50% yestate of charge mutembiricha-inodzorwa nzvimbo iri pakati pe10 degrees ne25 degrees . Usachengete mabhatiri akachajiswa zvizere munzvimbo dzinodziya-iyo musanganiswa ndiyo nzira inokurumidza kusvika pakarenda. Panguva yekufambisa, shandisa insulated kurongedza kudzikamisa tembiricha inoshanduka, kunyanya kune inotakura inoyambuka nzvimbo dzakawanda dzemamiriro ekunze.
Paunenge uchiongorora vatengesi veBESS, tarisa kumashure kwesero specs. Bvunza nezve thermal management architecture, iyo BMS tembiricha yekutarisa granularity, iyo inoshanda tembiricha zviyero zveiyo yakazara system (kwete chete maseru), uye waranti mamiriro ane chekuita nekuteerera tembiricha. Mutengesi anopakupera-ku-kugumisa rutsigiro rweinjiniyakusanganisira dhizaini yekusimbisa ichaunza sisitimu inoshanda mumwaka yese-kwete inotaridzika zvakanaka pabepa uye inoodza mwoyo muna Nyamavhuvhu.
Kusarudza Iyo Yakakodzera Bhatiri Sisitimu Yemamiriro ekunze ako
Sitisi chaiyo yepurojekiti yako inoenderana nekuti iri kuenda kupi uye kuti mamiriro ekunze anotaridzika sei gore-kutenderera. Zvivako munzvimbo dzakadzikama dzine nharaunda dzakagadzikana dzemukati dzine huwandu hwakakura hwesarudzo. Mapurojekiti mukupisa kwakanyanya kana kutonhora kwakanyanya kunoda masisitimu akanyatso kugadzirwa kune iwo mamiriro, ane simba rekupisa manejimendi uye BMS yakarongedzerwa kushanduka kwetembiricha yakakura.
LiFePO4 chemistry inopa inherent mupendero mune zvese kuchengetedzeka uye kupisa kushivirira. Yakapetwa neyemazuva ano kutonhora kwemvura, yakangwara BMS, uye yakavharwa zvakafanira zvakavharwa, LiFePO4-yakavakirwa masisitimu inoburitsa kuita kwakafanana mukati mehamvuropu inoshanda.
Zvemabhizimisi nemaindasitiri, zviteshi zvekushandisa, kana solar-pamwe chete-zvirongwa zvekuchengetedza zvinoda kuvimbika kwegore{{2}kutenderera kwegore, kutonga kwakanaka kwekushisa hakusi kusimudzira{3}}ndiko kutanga.Kumbira kubvunzana nePolinovelkukurukura zvigadziriso zvekuchengetedza simba zvakagadzirirwa kune yako chaiyo mamiriro ezvakatipoteredza uye kuita zvinodiwa.
Mibvunzo Inowanzo bvunzwa
Mubvunzo: Chii Chakanaka Tembiricha YeLithium Battery Operation?
A: Pakati pe15 dhigirii uye 35 dhigirii (59 dhigirii F kusvika 95 dhigirii F). Muchikamu ichi, kupikisa kwemukati kwakaderera, kukwanisa kwakazara kunowanikwa, uye mazinga ekuderera anoramba ari mashoma.
Mubvunzo: Ko Lithium Mabhatiri Anogona Kushanda Mukutonhora Kwemamiriro ekunze?
A: Anokwanisa kuyerera -pakutonhora zvishoma, asi nekudzikira. Kuchaja iri pasi pe 0℃(32℃F) hakufanire kudzivirirwa-lithium plating njodzi ndeyechokwadi uye kukuvara hakuperi. Kutonhora-kune mamiriro ekunze anoda pre{7}}kukwanisa kupisa.
Mubvunzo: Ndeipi Tembiricha Inokonzeresa Thermal Runaway MuLithium Mabhatiri?
A: Pamabhatiri e lithium-iyoni kazhinji, njodzi inokwira zvakanyanya kupfuura 60 degrees . Masero eLiFePO4 ane chikumbaridzo chakakwirira zvikuru-chinosvika 270 madhigirii zvichibva pakuedzwa kwakajairwa kwekushungurudzwa-chinova chikonzero chikuru chavanotonga pamusika wekuchengetedza zvinhu.
Mubvunzo: Kupisa Kunobata Sei Lithium Battery Hupenyu?
A: Mutemo wakataurwa zvakanyanya pakati pemainjiniya ebhatiri: yega yega 10 madhigirii ekuwedzera mukusimba kwekushanda tembiricha inopeta kaviri mwero wekuparara kwemakemikari. Kuchengeta maseru mukati me15℃kusvika 35℃kunowedzera hupenyu hwekutenderera.
Mubvunzo: Ndeipi Yakanyanya Kuchengetedza Tembiricha YeLithium Bhatiri?
A: Chengetedza pa-20 dhigirii kusvika 25 dhigirii (-4 dhigirii F kusvika 77 dhigirii F), zvakanaka pa 30% kusvika 50% yenyika yekuchaja. Tembiricha inotonhorera mukati meiyo tambo inononoka kuzviburitsa uye inoderedza kuchembera kwekarenda.