Lithium roj teeb electrolyte yog tsuas yog tsim los ntawm cov roj ntsha lithium ntsev, cov kuab tshuaj thiab ua rau ntxiv rau.
Cov qauv pib ntawm electrolyte tsis tau hloov ntau ntau. Lub tswv yim tshiab feem ntau yog tsom hauv kev tsim kho cov roj ntsha lithium thiab cov tshuaj ntxiv tshiab, nrog rau kev nkag siab ntxiv ntawm cov txheej txheem tshuaj thiab cov txheej txheem koom nrog cov roj teeb lithium-ion.
LiPF6 yog qhov feem ntau siv cov roj ntsha lithium. Qhov tib xwm ntawm LiPF6 tsis yog qhov tseem ceeb tshaj plaws, tab sis nws muaj qhov ua tau zoo dua txhua qhov kev sib koom ua ke hauv carbonate sib xyaw cov roj ntsha electrolytes.
LiPF6 muaj cov yam ntxwv zoo li nram no:
(1) solubility uas tsim nyog thiab kev ua haujlwm siab ionic hauv cov kuab tshuaj tsis-aqueous;
(2) tsim ntawm kev ruaj khov passivation zaj duab xis nyob saum npoo ntawm Al foil tam sim no cov ntawv sau;
(3) cov pa roj carbon monoxide synergistic Cov ester kuab tshuaj ua kom ruaj khov SEI zaj duab xis nyob rau saum npoo ntawm graphite electrode.
Txawm li cas los xij, LiPF6 muaj qhov tsis zoo thermal stability thiab nquag ua rau lub cev tsis muaj zog. Cov tshuaj tiv thaiv sab cuam tshuam ua rau SEI zaj duab xis nyob rau saum npoo ntawm lub tshuab hluav taws xob thiab ua kom lub zog ntawm cov khoom tiv thaiv zoo ntawm cov electrode zoo, uas ua rau lub peev xwm txo qhov kev hloov mus los.
Lwm cov roj ntsha lithium yog LiBF4, / LiBOB / LiDFOB / LiTFSI / LiFSI / LiPO2F2
Yog tias koj xav tau ntau hom tshuaj electrolyte, thov hu rau peb dawb do.
Hu Rau (Tus Kws Ua Haujlwm & Cov Muag Khoom): Miss Ailsa
Email: tob.ailsa@tobmachine.com
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