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Njira yopangira batire ya Lithium 1: Homogenization-Coating-Roller Pressing

Chiyambi:

Mabatire a lithiamundi mtundu wa batire yomwe imagwiritsa ntchito zitsulo za lithiamu kapena aloyi ya lithiamu ngati zinthu zopanda ma elekitirodi ndipo imagwiritsa ntchito njira yopanda madzi ya electrolyte. Chifukwa champhamvu kwambiri yamankhwala a lithiamu zitsulo, kukonza, kusungirako, ndi kugwiritsa ntchito zitsulo za lithiamu kumakhala ndi zofunika kwambiri zachilengedwe. Kenako, tiyeni tione homogenization, ❖ kuyanika, ndi anagudubuzika njira pokonzekera lithiamu mabatire.

Zabwino ndi zoipa ma elekitirodi homogenization

Electrode ya batri ya lithiamu-ion ndiye chinthu chofunikira kwambiri pa cell cell. The zabwino ndi zoipa elekitirodi homogenization amatanthauza kukonzekera ndondomeko ya slurry TACHIMATA zabwino ndi zoipa elekitirodi mapepala a lithiamu ion. Kukonzekera kwa slurry kumafuna kusakaniza zinthu zabwino za elekitirodi, zinthu zoipa elekitirodi, conductive wothandizira ndi binder. Slurry yokonzekera iyenera kukhala yofanana komanso yokhazikika.

Opanga ma batri a lithiamu osiyanasiyana ali ndi njira zawo zopangira homogenization. Dongosolo la kuwonjezera zida, kuchuluka kwa zinthu zowonjezera komanso kusuntha kwa njira ya homogenization kumakhudza kwambiri mphamvu ya homogenization. Pambuyo homogenization, slurry ayenera kuyesedwa okhutira olimba, mamasukidwe akayendedwe, fineness, etc. kuonetsetsa kuti slurry ntchito akwaniritsa zofunika.

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Kupaka

Njira yokutira ndi njira yotengera kuphunzira zamadzimadzi, momwe gawo limodzi kapena zingapo zamadzimadzi zimakutidwa pa gawo lapansi. Gawo lapansili nthawi zambiri limakhala filimu yosinthika kapena pepala lothandizira, ndiyeno chophimba chamadzimadzi chophimbidwa chimauma mu uvuni kapena kuchiritsidwa kuti apange filimu wosanjikiza ndi ntchito zapadera.

Kupaka ndi njira yofunika kwambiri pokonzekera ma cell a batri. Ubwino wa zokutira umagwirizana mwachindunji ndi khalidwe la batri. Nthawi yomweyo, mabatire a lithiamu-ion amakhudzidwa kwambiri ndi chinyezi chifukwa cha mawonekedwe a dongosolo. Kuchuluka kwa chinyezi kumatha kukhudza kwambiri mphamvu yamagetsi ya batri; mlingo wa ntchito zokutira umagwirizana mwachindunji ndi zizindikiro zothandiza monga mtengo ndi mlingo woyenera.

Njira yopanga zokutira

Gawo laling'ono lophimbidwa limamasulidwa kuchokera ku chipangizo chotsegula ndikulowetsedwa mu makina opaka. Pambuyo mutu ndi mchira wa gawo lapansi zikugwirizana kupanga lamba mosalekeza pa tebulo splicing, iwo amadyetsedwa mu kumangika kusintha chipangizo ndi zodziwikiratu kupatuka kudzudzulidwa chipangizo ndi kukoka chipangizo, ndi kulowa ❖ kuyanika chipangizo pambuyo kusintha pepala njira kukangana ndi pepala njira udindo. Mzati chidutswa slurry yokutidwa mu zigawo mu ❖ kuyanika chipangizo malinga anakonzeratu ❖ kuyanika kuchuluka ndi opanda kanthu kutalika.

Pamene ❖ kuyanika mbali ziwiri, ❖ kuyanika kutsogolo ndi chopanda kanthu kutalika ndi basi ankatsatira ❖ kuyanika. Elekitirodi yonyowa pambuyo popaka imatumizidwa ku njira yowumitsa kuti iume. Kutentha kowumitsa kumayikidwa molingana ndi liwiro la kupaka ndi makulidwe opaka. Elekitirodi yowuma imakulungidwa pambuyo pakusintha kwamphamvu komanso kuwongolera kwapang'onopang'ono kwa sitepe yotsatira yokonza.

lithiamu-batire

Kugudubuzika

Kugubuduza kwa zidutswa za batri ya lithiamu ndi njira yopangira yomwe imakanikiza molumikizana zinthu zopangira monga zida zogwira, ma conductive agents ndi zomangira pazitsulo zachitsulo. Kupyolera mu njira yogubuduza, chidutswa chamtengowo chikhoza kukhala ndi malo apamwamba a electrochemical yogwira ntchito, motero kumapangitsa kuti kachulukidwe ka mphamvu ndi mphamvu ndi kutulutsa mphamvu ya batri. Nthawi yomweyo, kugubuduza kungapangitsenso kuti chidutswacho chikhale ndi mphamvu zapamwamba komanso kusasinthasintha bwino, zomwe zimathandiza kukonza moyo wozungulira komanso chitetezo cha batri.

Rolling kupanga ndondomeko

Njira yakugudubuzika kwa zidutswa za batri ya lithiamu makamaka imaphatikizapo kukonzekera zakuthupi, kusakaniza, kuphatikizika, kupanga ndi maulalo ena.

Kukonzekera kwa zinthu zopangira ndi kusakaniza zopangira zosiyanasiyana molingana ndi kuwonjezera kuchuluka kwa zosungunulira zoyenera kusonkhezera kuti mupeze slurry yokhazikika.

Ulalo wosanganikirana ndi kusakaniza zopangira zosiyanasiyana molingana ndi kuphatikizika kotsatira ndi mawonekedwe.

The compaction ulalo ndi kukanikiza slurry kudzera wodzigudubuza atolankhani kuti yogwira zinthu particles ali kwambiri zakhala zikuzunza m'miyoyo kupanga mzati chidutswa ndi zina structural mphamvu. Cholumikizira chojambula ndichochiza chidutswa chamtengowo ndi kutentha kwakukulu komanso kuthamanga kwambiri kudzera mu zida monga makina osindikizira otentha kuti akonze mawonekedwe ndi kukula kwa chidutswa chamtengo.

lithiamu-batri (2)

Mapeto

Kukonzekera kwa mabatire a lithiamu ndizovuta kwambiri, ndipo sitepe iliyonse ndiyofunikira. Yang'anirani blog ya Heltec ndipo tipitiliza kukusinthani ndi chidziwitso choyenera cha mabatire a lithiamu.

Heltec Energy ndi mnzanu wodalirika pakupanga mapaketi a batri. Ndi kuyang'ana kwathu kosalekeza pa kafukufuku ndi chitukuko, pamodzi ndi mitundu yosiyanasiyana ya zida za batri, timapereka mayankho okhazikika kuti tikwaniritse zosowa zamakampani. Kudzipereka kwathu pakuchita bwino, mayankho ogwirizana, ndi mgwirizano wamphamvu wamakasitomala zimatipangitsa kukhala osankha kwa opanga mapaketi a batri ndi ogulitsa padziko lonse lapansi.

Ngati muli ndi mafunso kapena mukufuna kudziwa zambiri, musazengereze kuterokufikira kwa ife.

Pempho la Mawu:

Jacqueline:jacqueline@heltec-bms.com/ +86 185 8375 6538

Sucre:sucre@heltec-bms.com/ +86 136 8844 2313

Nancy:nancy@heltec-bms.com/ +86 184 8223 7713


Nthawi yotumiza: Oct-23-2024