Ibhetri yeLiFePO4

Ibhetri ye-lithium ye-iron phosphate ibhetri ye-lithium-ion isebenzisa i-lithium iron phosphate (LiFePO4) njengento efanelekileyo ye-electrode kunye nekhabhoni njengento engafanelekanga ye-electrode.
Ngethuba lenkqubo yokutshaja, ezinye ii-ion ze-lithium kwi-lithium iron phosphate zikhutshwa, zidluliselwe kwi-electrode engafanelekanga nge-electrolyte, kwaye zifakwe kwi-carbon electrode negative;ngelo xesha, ii-electron zikhutshwa kwi-electrode efanelekileyo kwaye zifikelele kwi-electrode engalunganga ukusuka kwisekethe yangaphandle ukuze kugcinwe ibhalansi ye-chemical reaction.Ngethuba lenkqubo yokukhupha, i-lithium ion ikhutshwe kwi-electrode engafanelekanga kwaye ifikelele kwi-electrode efanelekileyo nge-electrolyte.Ngelo xesha, i-electrode engalunganga ikhupha ii-electron kwaye ifikelele kwi-electrode efanelekileyo ukusuka kwisekethe yangaphandle ukubonelela ngamandla kwihlabathi langaphandle.
Iibhetri ze-LiFePO4 zineenzuzo zombane osebenzayo ophezulu, ubuninzi bamandla aphezulu, ubomi bomjikelezo omde, ukusebenza kakuhle kokhuseleko, izinga lokuzikhupha eliphantsi kwaye akukho mphumo yememori.
Iimpawu zeBattery Structural
Icala lasekhohlo lebhetri ye-lithium yentsimbi ye-phosphate i-electrode ekhangayo ehlanganiswe nesakhiwo se-olivine i-LiFePO4 impahla, edibaniswe ne-electrode efanelekileyo yebhetri nge-aluminium foil.Ngasekunene yi-electrode engalunganga yebhetri eyenziwe ngekhabhoni (graphite), edityaniswe ne-electrode engalunganga yebhetri ngefoyile yobhedu.Embindini kukho isahluli se-polymer, esahlula i-electrode efanelekileyo kwi-electrode engalunganga, kunye ne-lithium ion inokudlula kwi-separator kodwa i-electron ayikwazi.Ingaphakathi lebhetri lizaliswe yi-electrolyte, kwaye ibhetri ivalwe nge-hermetically yi-casing yentsimbi.

Iimpawu zebhetri ye-lithium iron phosphate
Ukuxinana kwamandla aphezulu

Ngokweengxelo, ubuninzi bamandla e-square aluminium igobolondo le-lithium iron phosphate ibhetri eveliswe ngo-2018 malunga ne-160Wh / kg.Ngo-2019, abanye abavelisi bebhetri abagqwesileyo banokufikelela kwinqanaba le-175-180Wh/kg.Itekhnoloji ye-chip kunye nomthamo wenziwa mkhulu, okanye i-185Wh/kg inokufezekiswa.
ukusebenza kakuhle kokhuseleko
Ukusebenza kwe-electrochemical ye-cathode material ye-lithium iron phosphate ibhetri izinzile, emisela ukuba ineqonga elizinzileyo lokutshaja kunye nokukhupha.Ngoko ke, isakhiwo sebhetri asiyi kutshintsha ngexesha lokutshaja kunye nokukhupha inkqubo, kwaye ayiyi kutshisa kwaye iqhume.Isakhuseleke kakhulu phantsi kweemeko ezikhethekileyo ezifana nokutshaja, ukucudisa, kunye ne-acupuncture.

Ubomi bomjikelo omde

Ubomi bomjikelezo we-1C weebhetri ze-lithium iron phosphate ngokubanzi zifikelela kumaxesha angama-2,000, okanye nangaphezulu kwamaxesha angama-3,500, ngelixa imarike yokugcina amandla ifuna amaxesha angaphezu kwama-4,000-5,000, iqinisekisa ubomi benkonzo yeminyaka eyi-8-10, ephezulu kunemijikelezo eyi-1,000. yeebhetri ze-ternary.Ubomi bomjikelo wobomi obude beebhetri ze-asidi zimalunga namaxesha angama-300.
Ukusetyenziswa kwemizi-mveliso yebhetri ye-lithium iron phosphate

Ukusetyenziswa kweshishini elitsha lezithuthi zamandla

ilizwe lam "Ugcino lwaMandla kunye neSicwangciso soPhuhliso lweZithuthi zaMandla amatsha" siphakamisa ukuba "injongo iyonke yophuhliso lwezithuthi zamandla amatsha kwilizwe lam kukuba: ngo-2020, imveliso eyongezelelekileyo kunye nokuthengiswa kwezithuthi zamandla amatsha kuya kufikelela kwiiyunithi ezizigidi ezi-5, kwaye ilizwe lam ukonga umbane kunye nesikali soshishino lwezithuthi zamandla amatsha siya kumelwa kwihlabathi.umqolo ongaphambili”.Iibhetri ze-lithium iron phosphate zisetyenziswa ngokubanzi kwiimoto zabahambi, iimoto zabahambi, izithuthi zolungiselelo, izithuthi zombane ezinesantya esiphantsi, njl.njl. ngenxa yeenzuzo zazo zokhuseleko oluhle kunye neendleko eziphantsi.Iphenjelelwa ngumgaqo-nkqubo, iibhetri ze-ternary zithatha indawo ephambili ngenzuzo yoxinano lwamandla, kodwa iibhetri ze-lithium iron phosphate zisathatha izibonelelo ezingenakubuyiselwa kwiimoto zabakhweli, izithuthi zolungiselelo kunye namanye amacandelo.Kwintsimi yeemoto zabagibeli, iibhetri ze-lithium iron phosphate zibalelwa malunga ne-76%, i-81%, i-78% ye-5th, i-6th, kunye ne-7th batches "yeCatalogue yeeModeli eziNyunyiweyo zokuPhakanyiswa kunye nokuSebenza kweZithuthi zaMandla amatsha" (emva koku. ekubhekiselwa kuyo njenge “Catalogue”) ngo-2018. %, isagcina eyona nto iphambili.Kwintsimi yezithuthi ezikhethekileyo, iibhetri ze-lithium iron phosphate zibalelwa malunga ne-30%, i-32%, kunye ne-40% ye-5th, i-6th, kunye ne-7th batches ye "Catalogue" ngo-2018, ngokulandelanayo, kwaye umlinganiselo wezicelo uye wanda ngokuthe ngcembe. .
U-Yang Yusheng, isazi se-Academy yaseTshayina yobuNjineli, ukholelwa ukuba ukusetyenziswa kweebhetri ze-lithium iron phosphate kwimarike yemoto yombane eyongeziweyo ayinakuphucula kuphela ukhuseleko lwezithuthi, kodwa ikwaxhasa ukuthengiswa kwezithuthi zombane zombane, ukuphelisa umgama, ukhuseleko, ixabiso, kunye neendleko zezithuthi zombane ezisulungekileyo.Ukuxhalaba malunga nokutshaja, imiba yebhetri elandelayo, njl. Ngexesha elisusela kwi-2007 ukuya kwi-2013, iinkampani ezininzi zeemoto ziye zaqalisa iiprojekthi zoluhlu olwandisiweyo lwezithuthi zombane ezicocekileyo.

Qala usetyenziso kumandla

Ukongeza kwiimpawu zamandla ebhetri ye-lithium, ibhetri ye-lithium yentsimbi ye-phosphate yokuqala inamandla okuvelisa amandla aphezulu ngokukhawuleza.Ibhetri ye-lead-asidi yendabuko ithathelwa indawo yibhetri yamandla e-lithium enamandla angaphantsi kweyure enye ye-kilowatt, kunye ne-motor starter yendabuko kunye nejenereyitha endaweni ye-BSG motor., ayinayo kuphela umsebenzi wokumisa i-idling, kodwa inemisebenzi yokuvalwa kwe-injini kunye nonxweme, unxweme kunye nokubuyisela amandla e-braking, i-acceleration booster kunye ne-cruise yombane.

Izicelo kwimarike yokugcina amandla

Ibhetri ye-LiFePO4 inoluhlu lweenzuzo ezizodwa ezifana nombane osebenzayo ophezulu, ubuninzi bamandla aphezulu, ubomi bomjikelezo omde, izinga lokuzikhupha, akukho mphumo yememori, ukukhuselwa kokusingqongileyo okuluhlaza, njl. ugcino lwamandla, kwizikhululo zamandla ombane ahlaziyekayo zinamathuba amahle okusebenza kwiinkalo zoqhagamshelo lwegridi ekhuselekileyo yokuvelisa umbane, ulawulo oluphezulu lwegridi yamandla, izikhululo zamandla ezisasazwayo, unikezelo lwamandla e-UPS, kunye neenkqubo zobonelelo lombane olungxamisekileyo.
Ngokutsho kwengxelo yokugcina amandla yakutshanje ekhutshwe yi-GTM Research, intlangano yophando lwemarike yamazwe ngamazwe, ukusetyenziswa kweeprojekthi zokugcina amandla e-grid-side e-China ngo-2018 kwaqhubeka nokwandisa ukusetyenziswa kweebhetri ze-lithium iron phosphate.
Ngokunyuka kwemarike yokugcina amandla, kwiminyaka yakutshanje, ezinye iinkampani zebhetri zamandla ziye zasebenzisa ishishini lokugcina amandla ukuvula iimarike zesicelo esitsha kwiibhetri ze-lithium iron phosphate.Kwelinye icala, ngenxa yeempawu zobomi obude, ukusetyenziswa ngokukhuselekileyo, umthamo omkhulu, kunye nokukhuselwa kokusingqongileyo okuluhlaza, i-lithium iron phosphate inokudluliselwa kwintsimi yokugcina amandla, eya kwandisa ikhonkco lexabiso kunye nokukhuthaza ukusekwa kwe-iron phosphate. imodeli entsha yeshishini.Kwelinye icala, inkqubo yokugcina amandla exhasa ibhetri ye-lithium iron phosphate ibe lolona khetho luphambili kwimarike.Ngokweengxelo, iibhetri ze-lithium iron phosphate ziye zazama ukusetyenziswa kwiibhasi zombane, iilori zombane, i-user-side and grid-side frequency regulation.
1. Ukuveliswa kwamandla ahlaziyekayo afana nokuveliswa kwamandla omoya kunye nokuveliswa kwamandla e-photovoltaic kuqhagamshelwe ngokukhuselekileyo kwigridi.Ukungakhethi kwendalo, ukungenelela kunye nokuguquguquka kokuveliswa kwamandla omoya kumisela ukuba uphuhliso lwayo olukhulu luya kuba nempembelelo ebalulekileyo ekusebenzeni okukhuselekileyo kwesixokelelwano samandla.Ngophuhliso olukhawulezayo loshishino lwamandla omoya, ngakumbi uninzi lweefama zomoya kwilizwe lam “ziluphuhliso olukhulu olukwindawo esembindini kunye nothumelo lomgama omde”, ukuveliswa kombane odityaniswe kwigridi yeefama ezinkulu zomoya kubangela imingeni enzima ukusebenza kunye nokulawulwa kweegridi zamandla amakhulu.
Ukuveliswa kwamandla e-Photovoltaic kuchaphazeleka bubushushu be-ambient, ukukhanya kwelanga kunye neemeko zemozulu, kunye nokuveliswa kwamandla e-photovoltaic kubonisa iimpawu zokuguquguquka okungahleliwe.ilizwe lam libonisa indlela yophuhliso “yophuhliso olunatyisiweyo, ukufikelela kwisiza sombane ophantsi” kunye “nokufikelela kuphuhliso olukhulu, ukufikelela kumbane ophakathi nophezulu”, okubeka phambili iimfuno eziphezulu zolawulo lwencopho yothungelwano lwamandla kunye nokusebenza ngokukhuselekileyo kweenkqubo zombane.
Ngoko ke, iimveliso zokugcina amandla amakhulu ziye zaba yinto ephambili ekusombululeni ukuchasana phakathi kwegridi kunye nokuveliswa kwamandla avuselelekayo.Inkqubo yokugcina amandla ebhetri ye-lithium iron phosphate ineempawu zokuguqulwa ngokukhawuleza kweemeko zokusebenza, imodi yokusebenza eguquguqukayo, ukusebenza kakuhle, ukhuseleko kunye nokukhuselwa kwendalo, kunye nokuqina okunamandla.Ingxaki yolawulo lwamandla ombane wendawo, ukuphucula ukuthembeka kokuveliswa kwamandla ahlaziyekayo nokuphucula umgangatho wamandla, ukuze amandla ahlaziyekayo abe lunikezelo lwamandla oluqhubekayo noluzinzileyo.
Ngokunyuka okuqhubekayo kwamandla kunye nokulinganisa, kunye nokukhula okuqhubekayo kobuchwepheshe obudibeneyo, iindleko zeenkqubo zokugcina amandla ziya kuncitshiswa ngakumbi.Emva kweemvavanyo zexesha elide zokhuseleko kunye nokuthembeka, iinkqubo zokugcina amandla ebhetri ye-lithium iron phosphate kulindeleke ukuba zisetyenziswe kumandla ahlaziyekayo njengamandla omoya kunye nokuveliswa kwamandla e-photovoltaic.Isetyenziswe ngokubanzi kuqhagamshelwano lwegridi ekhuselekileyo yokuveliswa kwamandla kunye nokuphuculwa komgangatho wamandla.
2 igridi yamandla encopho yolawulo.Eyona ndlela yolawulo lwencopho yegridi yamandla ibisoloko iyizitishi zombane ezimpontshwayo.Ngenxa yokuba isikhululo samandla esimpompelweyo sidinga ukwakha amadama amabini, amadama aphezulu nasezantsi, athintelwe kakhulu ziimeko zejografi, akulula ukwakha kwindawo ethafeni, kwaye indawo inkulu kwaye neendleko zokuzigcina ziphezulu.Ukusetyenziswa kwenkqubo yokugcina amandla ebhetri ye-lithium yentsimbi ye-phosphate yokutshintsha indawo yesikhululo samandla esipompelweyo, ukujamelana nomthwalo ophakamileyo wegridi yamandla, engaphelelanga kwiimeko zejografi, ukukhethwa kwendawo yamahhala, utyalo-mali oluncinci, ukuhlalwa komhlaba okuncinci, iindleko zokugcinwa okuphantsi, iya kudlala indima ebalulekileyo kwinkqubo yolawulo lwencopho yegridi yamandla.
3 izikhululo zombane ezisasaziweyo.Ngenxa yeziphene zegridi yamandla amakhulu ngokwawo, kunzima ukuqinisekisa umgangatho, ukusebenza kakuhle, ukhuseleko kunye neemfuno ezithembekileyo zokunikezelwa kwamandla.Kwiiyunithi ezibalulekileyo kunye namashishini, unikezelo lwamandla amabini okanye izixhobo zombane ezininzi zihlala zifunwa njenge-backup kunye nokhuseleko.Inkqubo yokugcina amandla ebhetri ye-lithium iron phosphate inokunciphisa okanye igweme ukuphuma kombane okubangelwa ukusilela kwegridi yamandla kunye neziganeko ezahlukahlukeneyo ezingalindelekanga, kwaye uqinisekise ukunikezelwa kwamandla okukhuselekileyo nokuthembekileyo kwizibhedlele, iibhanki, amaziko omyalelo kunye nokulawula, amaziko okusebenza kwedatha, amashishini ezinto eziphathekayo kunye nokuchaneka. amashishini okuvelisa.Dlala indima ebalulekileyo.
4 UPS unikezelo lwamandla.Uphuhliso oluqhubekayo nolukhawulezayo loqoqosho lwaseTshayina lukhokelele ekwabelweni kweemfuno zabasebenzisi bobonelelo lwamandla e-UPS, nto leyo ebangele ukuba amashishini amaninzi kunye namashishini amaninzi abenemfuno eqhubekayo yobonelelo lombane lwe-UPS.
Xa kuthelekiswa neebhetri ze-lead-acid, iibhetri ze-lithium iron phosphate zineenzuzo zobomi bomjikelezo omude, ukhuseleko kunye nokuzinza, ukukhuselwa kokusingqongileyo okuluhlaza, kunye nezinga eliphantsi lokuzikhupha.ziya kusetyenziswa ngokubanzi.

Ukusetyenziswa kweminye imimandla

Iibhetri ze-lithium iron phosphate zikwasetyenziswa ngokubanzi kwindawo yomkhosi ngenxa yobomi babo bomjikelo olungileyo, ukhuseleko, ukusebenza kobushushu obuphantsi kunye nezinye iingenelo.Ngomhla we-10 ku-Okthobha, i-2018, inkampani yebhetri e-Shandong yenza ukubonakala okuqinileyo kwi-Qingdao Military-Civilian Integration Technology Innovation Achievement Exhibition yokuqala, kwaye ibonise iimveliso zomkhosi eziquka -45℃ ibhetri ye-Ultra-low.