Kutheni iibhetri ze-lithium zisebenzisa i-aluminiyam njengamaqokobhe?

Izizathu eziphambili zokuba iibhetri ze-lithium zisebenzise iigobolondo ze-aluminium zingahlaziywa ngokubanzi kwimiba elandelayo, ezizezi, ukukhanya, ukuchasana nokugqwala, ukuqhuba kakuhle, ukusebenza kakuhle kokusebenza, ixabiso eliphantsi, ukusebenza kakuhle kokuchithwa kobushushu, njl.

1. Ikhaphukhaphu

• Uxinaniso olusezantsi: Ubuninzi be-aluminiyam bumalunga ne-2.7 g/cm³, engaphantsi kakhulu kunentsimbi, emalunga ne-7.8 g/cm³. Kwizixhobo zombane ezilandela ukuxinana kwamandla aphezulu kunye nobunzima, njengeefowuni eziphathwayo, iilaptops, kunye nezithuthi zombane, iigobolondo ze-aluminium zinokunciphisa ngokufanelekileyo ubunzima obupheleleyo kunye nokuphucula ukunyamezela.

2. Ukumelana nokubola

• Ukuziqhelanisa nemekobume yombane ophezulu wombane: Umbane osebenzayo we-lithium battery positive electrode materials, ezifana ne-ternary materials kunye ne-lithium cobalt oxide, uphezulu noko (3.0-4.5V). Kweli khono, i-aluminiyam iya kwenza i-aluminium oxide exineneyo (i-Al₂O₃) ifilimu yokugqithisa phezu komhlaba ukukhusela ukubola okuqhubekayo. Insimbi igqwala ngokulula yi-electrolyte phantsi koxinzelelo oluphezulu, okukhokelela ekuthotyweni kwebhetri okanye ukuvuza.

• Ukuhambelana kwe-Electrolyte: I-Aluminiyam inozinzo oluhle lweekhemikhali kwi-organic electrolytes, njenge-LiPF₆, kwaye ayifuni ukusabela ngexesha lokusetyenziswa kwexesha elide.

3. Ukuqhuba kunye noyilo lwesakhiwo

• Uqhagamshelo lwangoku lokuqokelela: I-Aluminiyam yeyona nto ikhethwayo kubaqokeleli bangoku be-electrode (efana nefoyile yealuminiyam). Iqokobhe le-aluminiyam inokudityaniswa ngokuthe ngqo kwi-electrode elungileyo, ukwenza lula ubume bangaphakathi, ukunciphisa ukuxhathisa, kunye nokuphucula ukusebenza kakuhle kokuhanjiswa kwamandla.

• Iimfuno ze-Shell conductivity: Kolunye uyilo lwebhetri, iqokobhe le-aluminiyam liyinxalenye yendlela yangoku, efana neebhetri zecylindrical, enemisebenzi yokuqhuba kunye nokukhusela.

4. Ukucubungula ukusebenza

• I-ductility egqwesileyo: I-Aluminiyam ilula isitampu kunye nokwelula, kwaye ifanelekile kwimveliso emikhulu yeemilo eziyinkimbinkimbi, ezifana neefilimu ze-aluminiyam-iplastiki ye-square kunye ne-soft-pack yebhetri. Amaqokobhe entsimbi kunzima ukusetyenzwa kwaye aneendleko eziphezulu.

• Isiqinisekiso sokutywina: Itekhnoloji ye-aluminiyam yokuwelda iqokobhe ikhulile, njenge-laser welding, enokuthi itywine ngokufanelekileyo i-electrolyte, ithintele ukufuma kunye ne-oxygen ekuhlaseleni, kwaye yandise ubomi bebhetri.

5. Ulawulo lobushushu

• Ukusebenza kakuhle kokutshatyalaliswa kobushushu: I-thermal conductivity ye-aluminium (malunga ne-237 W / m·K) iphezulu kakhulu kuneyentsimbi (malunga ne-50 W / m · K), enceda ibhetri ukuba ikhuphe ukushisa ngokukhawuleza xa isebenza kwaye inciphise umngcipheko wokubaleka kwe-thermal.

6. Iindleko kunye noqoqosho

• Ixabiso eliphantsi lemathiriyeli kunye nokucubungula: Ixabiso le-aluminiyam ekrwada liphakathi, kwaye ukusetyenziswa kwamandla okusebenza kuphantsi, okufanelekile kwimveliso enkulu. Ngokwahlukileyo, izinto ezifana nentsimbi engatyiwa zibiza kakhulu.

7. Uyilo lokhuseleko

• Isixhobo sokunciphisa uxinzelelo: Amaqokobhe e-aluminiyam angakhulula uxinzelelo lwangaphakathi kwaye athintele ugqabhuko-dubulo xa kutshajiswa kakhulu okanye kubaleke i-thermal ngokuyila iivalvu zokhuseleko, ezifana ne-CID flip structure yeebhetri zecylindrical.

8. Iinkqubo zoshishino kunye nokubekwa emgangathweni

• Amaqokobhe e-Aluminiyam amkelwe ngokubanzi ukususela kwimihla yokuqala yokuthengiswa kwebhetri ye-lithium, njengebhetri ye-18650 eyasungulwa ngu-Sony ngo-1991, yenze ikhonkco lezoshishino elivuthiweyo kunye nemigangatho yobugcisa, idibanisa ngakumbi indawo yayo yesiqhelo.

Kuhlala kukho izinto ezikhethekileyo. Kwezinye iimeko ezikhethekileyo, iigobolondo zentsimbi ziyasetyenziswa:

Kwezinye iimeko ezineemfuno zamandla aphezulu kakhulu, ezifana neebhetri zamandla okanye usetyenziso olugqithisileyo lokusingqongileyo, amaqokobhe ensimbi anenickel anokusetyenziswa, kodwa ixabiso lonyuswa ubunzima kunye neendleko.

Ukuqukumbela

Iigobolondo ze-aluminium zibe lukhetho olufanelekileyo lweegobolondo zebhetri ze-lithium ngenxa yeenzuzo zabo ezibanzi ezifana nobunzima bokukhanya, ukuxhatshazwa kwe-corrosion, ukuqhuba kakuhle, ukuqhutyelwa lula, ukuchithwa kobushushu kunye neendleko eziphantsi, ukulinganisa ngokugqibeleleyo ukusebenza, ukhuseleko kunye neemfuno zezoqoqosho.