Kodi muli ndi chitetezo champhamvu cha batri la lithiamu?

2022/04/08

Wolemba: Iflowpower -Portable Power Station Supplier

Chaka chino, vuto la chitetezo cha magalimoto amagetsi ndi pang'ono. Malingana ndi deta ya State Market Supervision Administration, mu 2018, panali ngozi zosachepera 40 zamoto zomwe zimakhudzidwa ndi magalimoto atsopano amphamvu. Kuyambira mwezi wa April chaka chino, galimoto yamagetsi imamangiriridwa ku galimoto yamagetsi, ndipo chitetezo cha batri ya lithiamu ndi nkhani yovuta.

Mutu wina womwe sitingaupewe. Posachedwapa, dziko langa Dynamic Lithium Battery Innovation Alliance Under Secretary-General, Wang Zi, wachiwiri kwa mlembi wamkulu wa dziko langa Electric Automobile Charging Infrastructure Charging Alliance, Wang Zi, m'dziko langa loyamba International Electric Automotive Safety Technology Innovation Conference, multidimensional kusanthula nkhani zachitetezo chagalimoto yamagetsi. Amakhulupirira kuti mphamvu ya lithiamu batire ilibe kusiyana kwa zinthu, n'zovuta kuti apitirize kuswa kuposa mphamvu ku mlingo wina.

Panthawi imodzimodziyo, zotsatira zoipa za chitetezo zikukulirakulira. Vuto lomwe limakhalapo pakati pa kuwongolera kachulukidwe ka mphamvu ndi chitetezo ndi moyo wautali sikupitilira popanda kudziwa batire ya lithiamu-ion. Dziko langa la Power Lithium Battery Innovation Alliance, Wachiwiri kwa Mlembi Wamkulu Kalonga wa dziko langa Electric Automobile Charging Infrastructure Charging Alliance.

Prince Winter adati, "Sitikuvomereza kuti batire paketi ndi chigawo chomwe chili ndi zinthu zamphamvu kwambiri, zomwe ziri zoopsa, ndipo ndi kuwonjezeka kwa kuyerekezera kwa batri, chiopsezo cha ngozi chidzawonjezeka. "Mu chiwerengero chachikulu cha luso lamakono. Njira zamabatire a lithiamu-ion, lithiamu iron phosphate ndi ma yuan atatu a nthawi yopuma. Lithium iron phosphate imakhala ndi chitetezo chambiri, moyo wautali, koma kachulukidwe kake sikokwanira ma yuan atatu, koma amatha kupangidwa ndi mphamvu ya batri, kutentha kwapang'onopang'ono kumakhala kovutirapo, ndipo ndikofunikira kuti pakhale kutentha kwapang'onopang'ono. batire, komanso kusasinthika kwazinthu kumakhala koyipa.

Kuchulukana kwamphamvu kwa batire ya ternary ndikwambiri, kusasinthasintha ndikwabwino, kutsika kwa kutentha ndikwabwino, koma chitetezo ndi chochepa pang'ono, ndipo moyo wozungulira ndi wocheperako kuposa batire ya lithiamu iron phosphate ion. "Pakadali pano, mu dziko langa lifiyamu chitsulo mankwala ayoni batire ali okhwima kwambiri mafakitale unyolo, tili ndi luso kwambiri pachimake m'gulu loyenerera, ndi batire yuan atatu akuimiridwa ndi Japanese ndi Korea South, ndi okhwima. "Prince Dong amakhulupirira kuti njira zamakono zamtunduwu ndizoposa mtundu wa VS Japanese ndi South Korea.

Ngati ntchito ya batri ya lithiamu yamphamvu ikawunikiridwa, amalemba miyeso 10: 1. Chitetezo cha mapaketi a batri, 2. Kuchulukana kwamphamvu kwa paketi ya batri (m'malo), 3.

Moyo wozungulira wa paketi ya batri, 4. Mtengo wa paketi ya batri, 5. Kukulitsa kwacharging, 6.

Battery monomer kusasinthika, 7. Kutsika kwa kutentha, 8. Kugwiritsa ntchito gulu, 9.

Zosavuta kugwiritsanso ntchito, 10. Zinthu zabwino ndi zoyipa zitha kubwezedwa ndikuzigwiritsanso ntchito. Monga njira yaukadaulo yomwe ingatsogolere zochitikazo, palibe cholakwika chosiyana m'zilizonse zomwe tafotokozazi, ndipo kusanja kwazinthu zonse ndi njira yotheka, palibe chizindikiro chimodzi chantchito.

Mwachitsanzo, mphamvu kachulukidwe. Choncho, kuchokera pamwamba pa 10 mbali, mu awiriwa, yuan atatu ndi phosphite lithiamu ndi zoopsa, mpikisano zowawa, pali wopambana, pali dzanja lathyathyathya, pambuyo masewera 10, woweruza yozizira kalonga, perekani imodzi Yosavuta yomaliza. mapeto: Ngati chitetezo, mphamvu kachulukidwe zofunika si mkulu kwambiri, amakonda lithiamu chitsulo phosphate ion mabatire. Kodi denga la batri ya lithiamu yamphamvu ili kuti? Pamaso pa kalonga, pali kumvetsetsa bwino kwa kuwongolera kachulukidwe ka mphamvu ya batri ya lithiamu: magwiridwe antchito amphamvu yamagalimoto amagetsi omwe amatha kuyendetsa magalimoto am'mafakitale amawongoleredwa, osati magwiridwe antchito azinthu zabwino ndi zoyipa zokha, komanso kuchita bwino. m'njira zambiri Pali kuphulika kwakukulu, ndizotheka kusintha tanthauzo lenileni la batire ya lithiamu yamphamvu.

Kenako, kuchokera ku tanthauzo la mafakitale amphamvu a lithiamu batire, cholinga chomwe boma likufuna kuti litha kuthamanga 400km ndi kuyendetsa galimoto yamagetsi ku 2020, ndipo batire ya monomer imafika: 300Wh / kg (350), 600WH / L (700). ) 0,6 yuan / WH, dongosolo la batri linafika: 220WH / kg (260), 300WH / L (380), 1.0 yuan / WH, moyo wozungulira ndi nthawi 1500 (80% DOD).

Wang Zi Winter adanena kuti kuchokera ku deta yowonetsera, ngati mukufuna kukwaniritsa zizindikiro izi, zimakhala zovuta kwambiri. Pakali pano, zoweta zazikulu lifiyamu batire kampani mankhwala mbiri ndi: Lifiyamu chitsulo mankwala, chuma cha mphamvu-mtundu mankwala mphamvu lifiyamu batire ndi pafupifupi pakati 140-180WH / kg. Pankhani ya zida zitatu, mphamvu yayikulu yopangidwa ndi batri ya lithiamu imakhala pakati pa 180-260Wh / kg.

Chidziwitso chaukadaulo, ngati batire paketi ndi 260WH / kg, malinga ndi kuwerengera mphamvu kwa 10kWh / kg / 100km, 40KWh batire paketi ya batire yolemera sikungadutse 99.5kg, kulemera kwathunthu kwa paketi ya batire sikungakhale More kuposa 153kg, batire yonyamula yofewa ndiyoposa 402Wh / kg, zomwe ndizovuta kuzidziwa. Kuyambira izi, akhoza anapezerapo, ndi mphamvu kuti kufika 350WH / kg (ngati n'kotheka), m`pofunika kuti mphamvu yaikulu (80ah kapena kuposa) zotayidwa aloyi molimba chipolopolo mphamvu lifiyamu batire, amene amapulumutsa kulemera kwa modularization.

Kulemera konse kwa batire ya 40KWH kuyenera kuyendetsedwa mkati mwa 114.3kg, yomwe imatha kuwerengera 74.7% ya paketi ya batri, ndi bokosi lotsalira la aluminium alloy (25kg), makina owongolera matenthedwe (2kg), cholumikizira ndi membala wokonza (11.

7kg), ndi zina zotere, kulemera kwake sikungadutse 38.7kg, kulemera kwa batire la station ndi 25.

3%, kulemera kwathunthu kwa paketi ya batri sikungathe kupitirira 153kg, paketi ya batri ndi yoposa 262Wh / kg. "N'chifukwa chiyani mukuganiza kuti kachulukidwe kamphamvu kameneka kamaganizira za batire yofewa? Kuchokera pamaganizo a injiniya wa galimoto, mphamvu yamagetsi yamagetsi a lithiamu batire, osati mphamvu ya batri ya monomer. , ndiye ku kaphatikizidwe kachitidwe, ulalo wapakatikati ndi wochulukirapo, cholumikizira pakati pa batire, chingwe cholumikizira, bokosi, chimango chokonzekera, chimango chothandizira, mawonekedwe opangira kutentha, etc.

, yomwe idzawonjezera Kulemera kwatsopano ", Prince Dong anaganiza, kukhathamiritsa mu kachulukidwe ka mphamvu zamagetsi, kudalirika ndi chitetezo. .

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