Yokkateg jëfandikoo gi am ci diggante bu kawe {- Pajum Corona
Bunu mënul gis
Li gëna am solo ci wàllu dëgëraay ci wàllu energie, dundu cycle bu gëna gudd, ak gëna am kaaraange ci litium-ion yi dañu def ay laaj yuñ musul am ci defar. Li gëna am solo, waaye dañu ko faral di bàyyi xel, jéego ci defar electrode mooy lëkkaloo gi am ci diggante coating macceer bi ak foil biy jël xaalis bi fi nekk. Adhésion bu bon moo waral ñu dindi ko, gëna bari ay resistance ci biir, ak ñàkka am musiba. Artikle bii dafay jàngat jëfandikoo bu kawe - pajum corona doole ni anam wu baax, waw, ak environmaa bu baax ngir gëna suqali energie surface ak tooyal foils metal, suko defee ñu gëna mëna jëfandikoo ngir gëna am doole ci batëri bi.
1. Duggal: Waajal adhésion bi ci defarum batëri
Lithium -u batëri electrode jumtukaay la bu ñuy boole ay mbir yu am solo (lu melni, Lithium Cobalt Oxide ngir cathode, Graphite ngir anodes), yokk ci additif, ak linders ñu ngi koy jëfandikoo ci foils metal yu woyof {3 }typime ci cathode ak copper ngir anode bi. Incite integrite bu couche coated bi mooy gëna am solo.
Adhesion bu jaarul yoon ci foil foil {- coating mën na jur:
Digalukaay bi:Coating bi dafa tàqale ak foil bi ci diiru kalendriye, dagg wala boole selil yi.
Resistance buy yokk:Resistance interfacial bu baaxul, wàññi doole ak njariñ.
Ndimbalu dundu ak dundu ci dundu ci dundu:particules yu am doole yi ñuy jëfandikoo dañuy nekk ay electrochimique, te loolu mooy tax kàttan gi di gaawa ñàkk.
Kaaraange AzSafét day:Delamination bi mën na defar hotspot ak ay sircuit yu gàtt yu am ci biir, di indi daw termik.
Xeetu cosaan ngir gëna mëna yokk adhésion ci chimie binder ak pression de calme. Waaye, anam yooyu dañu am ay gàttal, te duñu wax ci jafe-jafe bi gëna am solo: energie surface bu néew bi ci foils metal yi, yu ñuy faral di yàq ak diw ak oxide, loolu moo leen di def ci biir hydrophobic ak lu jafe ci ndox wala solvant {1} yu sukkandiko ci slurries ngir tooy.
2. Science of High{)
Pajum corona, xarala plasma atmosphie, di jëfandikoo ab decharge electrik bu kawe ngir génne ngelaw li wër macceer biñ faj. Ci sistem bu kawe {- system travers corona werpoor buñ defar ngir defar batëri:
Dog bi:Web foil bi dafay jaar ci kaw roller bu am suuf. Ci kaw, benn electrode buñ boole ak-frequency, bu kawe- generatër kuuraŋ bu am doole, dafay defar ab champ electrostatik bu am doole. Lii dafay wane ngelaw lu am ñaari (O₂, N₂, H₂), defar niir bu dëgër plasma bu am ion, electron, radical yu amul benn njariñ, ak molecule yu neex (lu melni ozone O₃).
Mekanismu générale:Su plasma bii di feeñ ci kaw foil bi, ñaari mbir yu njëkk ñoo am:
1. Maa ngi tuddSurface Clearing:Xeeti plasma yu am doole yi dañuy vaporize ba noppi dindi contaminant microscopic yi, lu melni diwu organik ak pënd.
2. Jëf ci wàllu surfaas:Li gëna am solo mooy plasma bi dafay dugal ay kuréel yu am solo ci polar (droxyl {0}OH, karbonl C{1}O, ak carboxyl {2} {2} 1}COH) ci kaw foil bi jaaraleko ci reaction oxidation. Doxalin boobu, ñu xamee ko ci fonctionnement, dafay soppi chimie surface bi ba fàww.
3. Li gëna am solo ci liggéey bi
Dugalug ab traver corona corona bu kawe- ci liiñu coating bi dafay joxe njariñ yu am solo:
Yokkateg màgg ci Energie surfaas:Duggug mbooloo polar dafay soppi foil bi ci -}i, non- rëj ko ci kaw- ràndewu, hydrophilic, hydrophilic. Loolu dafay gëna rafetal yaram wi ak tasaaroo ci slurry electrode bi, loolu mooy tax ñu gëna am benn coating, pinhole- te amul benn njariñ.
Dogal bu mag bu am solo:Ak lëkkaloo yu gëna am solo ak lëkkaloo chimik ci biir kuréel yu bees yi, interlocking mekanik ak dooley Van der Waals ci interface bi dañu gëna am doole. Loolu moo jur lëkkaloo bu dëgër buy dundu jafe-jafe yi ci waw, kalendrier ak - cycling electrochimie bu yàgg.
Doxalinu Doxalin ak Yield:Soo joxee surface bu sett te tàmbali, pajum corona dafay dindi batch{{0}po-batch variabilite bi bawoo ci kalite foil buy soppiku. Loolu dafay wàññi limu srapp yi, ba noppi gëna baaxal produit yi ci defar.
naan,Pajum corona ak pajum corona wuute na ak pajum corona. Amul benn solvant, amul benn mbalit bu ndoxe, te effet bi dafay baax ci saasi, moo tax mu baax ci liggéey yu bari- yu am liggéey yuy wéy di liggéey.
Bokk na ci jafe-jafe yi am ci anam wu jaar yoon:Bi liggéeyukaay bi di dem ci electrode yu gëna dëll, silicon{0}}nanode, ak dëgër- batëri yu am solo, laaj bi gëna am solo ci interfacial bi dafay gëna am solo. High{3}} pajum corona doole jumtukaay la bu bari ay mbir yuñ mëna méngale ak yii ensemble macceer yu bees.
4. Li ñuy xalaat
Ngir gëna am njariñ ci {{0} 00}a trewer corona, fàww ñu gëna mëna defar:
Dooley doole:Doole bu gëna kawe (ñu natt ko ci W/min/min/m2) dafay defar plasma bu dëgër, loolu mooy tax surface bi gëna bari. Niveau bi gëna baax dafa wara am ngir moytu pajum yu bari yu mëna waral paj mi ci ginaaw wala wàññi bu baax.
Design Electrode:Electrodes yuñ yamale wala yu segmente mën nañu leen jëfandikoo, lépp di aju ci yaatuwaayu web bi ak njariñu zonal bi.
Seed ak Integration:Sistem bi dafa wara bokk ci coater bi fi nekk, boole ci gaawaayu web bi ngir mëna am paj mu méngoo te du yàq tension bi.
Doxalal Ozone:Parateer yu bees yi dañu am ay aparey yuy yàq ozone (ODUs) ngir dindi ozone bi ci anam wu wóor, ngir mëna am barab bu wóor.
5. Mujjee
Ci paysage compétitif bu am doole ci defar batëri, am njariñ yu am solo ci performance ak wóor lu am solo la. High{) High- pajum corona doole dafay saafara jafe-jafe defar yu am solo yi ci ingenieur yi ci kaw suuf yi ci foil yiy jël xaalis ci niveau moleculaire. Soo fexe ba adheesion bu amul benn sikk diggante coating bi ak substrat bi, dafay jàppale ci defar batëri yu am kàttan gu gëna rëy, dundu serwiis bu gëna gudd, ak gëna baaxal kaaraange gi. Kon du jéego bu am solo rek, waaye nekk na xeetu xarala yu am solo ngir ëlëgu dencukaay yu mag yi.