Ungaba kanjani nokuphepha okunamandla kwebhethri ye-lithium?

2022/04/08

Umbhali :Iflowpower -Umhlinzeki Wesiteshi Samandla Esiphathekayo

Kulo nyaka, inkinga yokuphepha kwezimoto zikagesi ingaphezulu kancane. Ngokusho kwedatha ye-State Market Supervision Administration, ngo-2018, okungenani kube nezingozi zomlilo ze-40 ezihilelekile ezimotweni zamandla amasha. Kusukela ngo-Ephreli kulo nyaka, imoto kagesi ifakwe emotweni kagesi, futhi ukuphepha kwebhethri ye-lithium kuyisihloko esibucayi.

Esinye isihloko esingenakugwenywa. Muva nje, iDynamic Lithium Battery Innovation Alliance yezwe lami Ngaphansi kukaNobhala-Jikelele, u-Wang Zi, iphini likanobhala-jikelele wezwe lami i-Electric Automobile Charging Infrastructure Charging Alliance, u-Wang Zi, engqungqutheleni yokuqala yezwe lami i-International Electric Automotive Safety Technology Innovation Conference, enezinhlangothi eziningi. ukuhlaziywa kwezindaba zokuphepha kwemoto kagesi. Ukholelwa ukuthi ibhethri ye-lithium yamandla ayinakho ukuhlukaniswa kwezinto ezibonakalayo, kunzima ukuqhubeka nokuphuka okungaphezu kwamandla ezingeni elithile.

Ngesikhathi esifanayo, umthelela omubi kwezokuphepha uya ngokuya uba mkhulu. Inkinga yokuthi ibhalansi phakathi kokulawula ukuminyana kwamandla nokuphepha kanye nempilo ende ayikweqa ngaphandle kokuthi ube yinkosi yebhethri ye-lithium-ion. I-Power Lithium Battery Innovation Alliance yezwe lami, iPhini likaNobhala-Jikelele iNkosana yezwe lami I-Electric Automobile Charging Infrastructure Charging Alliance.

U-Prince Winter uthe, "Asivumi ukuthi iphakethe lebhethri liyingxenye equkethe izinto ezinamandla amakhulu, okungokwemvelo okuyingozi, futhi ngokwanda kokuqhathaniswa kwebhethri, ingozi yezingozi izokhula. "Ngenani elikhulu lobuchwepheshe bezobuchwepheshe. imizila yamabhethri e-lithium-ion, i-lithium iron phosphate nama-yuan amathathu wesikhathi sokuphumula. I-Lithium iron phosphate inokuphepha okuphezulu, impilo ende, kepha amandla amakhulu aphakeme njengama-yuan amathathu, kodwa angenziwa ngomthamo webhethri, ukusebenza okuphansi kwezinga lokushisa akulungile, futhi kubalulekile ekusebenzeni okuphansi kwezinga lokushisa kumthamo omncane. ibhethri, nokungaguquguquki kwezinto nakho akulungile.

Ukuminyana kwamandla ebhethri ye-ternary kuphezulu, ukungaguquguquki kuhle, ukusebenza okuphansi kwezinga lokushisa kuhle, kodwa ukuphepha kubi kancane, futhi impilo yomjikelezo ingaphansi kakhulu kunebhethri ye-ion ye-lithium iron phosphate. "Okwamanje, ebhethri ye-ion ye-lithium iron phosphate ion yezwe lami inochungechunge lwezimboni ezivuthiwe kakhulu, sinobuchwepheshe obuyisisekelo obungaphezulu esigabeni esifanele, futhi ibhethri lama-yuan amathathu limelelwa yiJapane neNingizimu Korea, elivuthiwe. "INkosana Dong ikholelwa ukuthi lolu hlobo lomzila wobuchwepheshe lungaphezu kohlobo lwe-VS Japanese kanye neNingizimu Korea.

Uma ukusebenza kwebhethri ye-lithium yamandla ngokwayo kuhlolwa, ubala ubukhulu obuyi-10: 1. Ukuphepha kwamaphakethe ebhethri, 2. Ukuminyana kwamandla wephakethe lebhethri (kunalokho), 3.

Impilo yomjikelezo wephakethe lebhethri, 4. Izindleko zephakethe lebhethri, 5. Ukukhulisa ukushaja, 6.

Ukungaguquguquki kwe-monomer yebhethri, 7. Ukusebenza kwezinga lokushisa eliphansi, 8. Ukusetshenziswa kweqembu, 9.

Kulula ukuphinda kusetshenziswe kabusha, 10. Izinto ezibonakalayo ezinhle nezingezinhle zingatholwa futhi ziphinde zisetshenziswe. Njengomzila wezobuchwepheshe ongahola ithrendi, akukho ukushiyeka okuhlukile kunoma yiziphi izici ezingenhla, futhi ibhalansi yazo zonke izici iyindlela engenzeka, hhayi inkomba eyodwa yokusebenza.

Isibonelo, ukuminyana kwamandla. Ngakho-ke, kusukela ezicini ezingenhla ezingu-10, kulo mbhangqwana, i-yuan emithathu ne-phosphite lithium ibuhlungu, umncintiswano obuhlungu, kukhona owinile, kukhona isandla esiyisicaba, ngemva kwale midlalo engu-10, unompempe wasebusika wenkosana, unikeze eyodwa yokugcina elula. isiphetho: Uma kwenzeka ukuphepha, izidingo zokuminyana kwamandla aziphezulu kakhulu, kukhethwa amabhethri e-ion e-lithium iron phosphate. Ikuphi uphahla lwebhethri ye-lithium yamandla? Ebusweni benkosana, kukhona ukuqonda okucacile kokuthuthukisa ukuminyana kwamandla webhethri ye-lithium yamandla: ukusebenza kwamandla ezimoto zikagesi ezingase zithuthukiswe izimoto zezimboni, hhayi nje ukusebenza kwezinto ezinhle nezimbi, kodwa futhi. Ezicini eziningi Kukhona ukuqhuma okukhulu, kungenzeka ukuthuthukisa incazelo yeqiniso yebhethri ye-lithium enamandla.

Ngemuva kwalokho, kusukela encazelweni yebhethri ye-lithium yezimboni, inhloso ehlongozwayo nguhulumeni ukuthi ingagijima i-400km ngokushaja imoto kagesi ngo-2020, futhi ibhethri le-monomer lifinyelelwe: 300Wh / kg (350), 600WH / L (700). ) 0.6 yuan / WH, isistimu yebhethri ifinyelelwe: 220WH / kg (260), 300WH / L (380), 1.0 yuan / WH, impilo yomjikelezo izikhathi ezingu-1500 (80% DOD).

U-Wang Zi Winter uthe kusukela kudatha yenkomba, uma ufuna ukufeza lezi zinkomba, kunzima kakhulu. Njengamanje, iphrofayili yomkhiqizo wenkampani yebhethri ye-lithium yasekhaya ithi: I-Lithium iron phosphate, umnotho webhethri ye-lithium ye-phosphate ashukumisayo icishe ibe phakathi kuka-140-180WH / kg. Mayelana nezinto ezintathu zokusetshenziswa, ubukhulu bebhethri ye-lithium obucutshungulwe ngesilinganiso esikhulu obuthathu buphakathi kuka-180-260Wh/kg.

Isethulo sombono wezobuchwepheshe, uma iphakethe lebhethri lingu-260WH/kg, ngokwezibalo zokusetshenziswa kwamandla okungu-10kWh/kg/100km, isisindo sebhethri yephakethe lebhethri engu-40KWh asikwazi ukudlula u-99.5kg, isisindo esiphelele sephakethe lebhethri asinakuba Ngaphezulu. kune-153kg, ibhethri yokupakisha ethambile ingaphezu kuka-402Wh / kg, okunzima ukukwazi. Kusukela kulokhu, ingaqaliswa, futhi amandla afinyelela ku-350WH / kg (uma kungenzeka), kuyadingeka ukwenza umthamo omkhulu (80ah noma ngaphezulu) i-aluminium alloy igobolondo eliqinile lamandla lithium ibhethri, eligcina isisindo se-modularization.

Isisindo esiphelele sebhethri engu-40KWH kufanele silawulwe ngaphakathi kuka-114.3kg, okungabalelwa ku-74.7% kuphela wephakethe lebhethri, kanye nebhokisi elisele le-aluminium alloy (25kg), uhlelo lokuphatha okushisayo (2kg), isixhumi nelungu lokulungisa (11.

7kg), njll., isisindo esiphelele asikwazi ukudlula ama-38.7kg, isisindo sephakethe lebhethri lesiteshi singama-25.

I-3%, isisindo esiphelele sephakethe lebhethri asikwazi ukudlula i-153kg, iphakethe lebhethri lingaphezu kuka-262Wh / kg. "Kungani ucabanga ukuthi amandla aphezulu aphezulu acabanga ngebhethri yokupakisha ethambile? Ngokombono wobunjiniyela bemoto, ukuminyana kwamandla wesistimu yebhethri ye-lithium yamandla, hhayi ukuminyana kwamandla webhethri le-monomer. Kusukela kubhethri le-monomer kuya kumojula , bese kuthi ekuhlanganisweni kwesistimu, isixhumanisi esiphakathi singaphezulu, isixhumi phakathi kwebhethri, ikhebula lokuxhuma, ibhokisi, ifreyimu yokulungisa, ifreyimu yokusekela, isakhiwo sokushisa ukushisa, njll.

, okuzobe kungeze Isisindo esiningi esisha ", u-Prince Dong uhlongoze, ukuthuthukiswa kwesistimu ye-energy density, ukwethembeka nokuphepha. .

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