Kev tshawb fawb ntawm cov txheej txheem synthesis ntawm bis (fluorosulfonyl) amide

Nyob rau hauv ib puag ncig corrosive heev, kev soj ntsuam online spectroscopy dhau los ua txoj kev tshawb fawb zoo.

Lithium bis (fluorosulfonyl) amide (LiFSI) tuaj yeem siv los ua ib qho ntxiv rau lithium-ion roj teeb electrolytes, nrog rau qhov zoo xws li lub zog ceev, thermal stability, thiab kev nyab xeeb.Cov kev xav tau yav tom ntej tau dhau los ua pov thawj, ua rau nws yog qhov hotspot hauv kev tshawb fawb cov khoom siv hluav taws xob tshiab.

Cov txheej txheem synthesis ntawm LiFSI suav nrog fluoridation.Dichlorosulfonyl amide reacts nrog HF, qhov twg Cl nyob rau hauv cov qauv molecular hloov los ntawm F, ua bis (fluorosulfonyl) amide.Thaum lub sij hawm tus txheej txheem, cov khoom nruab nrab uas tsis tau hloov tag nrho yog generated.Cov tshuaj tiv thaiv kab mob yog nruj: HF yog corrosive heev thiab tsis tshua muaj tshuaj lom;kev tshwm sim tshwm sim nyob rau hauv qhov kub thiab txias, ua rau cov txheej txheem txaus ntshai heev.

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Tam sim no, ntau cov kev tshawb fawb ntawm cov tshuaj tiv thaiv no tsom mus rau kev nrhiav pom cov tshuaj tiv thaiv zoo tshaj plaws los ua kom cov khoom lag luam ntau tshaj plaws.Cov txheej txheem tshawb nrhiav offline nkaus xwb muaj rau txhua yam khoom siv yog F nuclear magnetic resonance (NMR) spectrum.Cov txheej txheem tshawb nrhiav yog qhov nyuaj heev, siv sijhawm ntev, thiab txaus ntshai.Thoob plaws hauv qhov kev hloov pauv, uas kav ntev li ob peb teev, lub siab yuav tsum raug tso tawm thiab cov qauv coj mus kuaj txhua 10-30 feeb.Cov qauv no tau sim nrog F NMR los txiav txim siab cov ntsiab lus ntawm cov khoom nruab nrab thiab cov khoom siv raw.Lub voj voog txoj kev loj hlob yog qhov ntev, kev ua piv txwv yog qhov nyuaj, thiab cov txheej txheem sampling kuj cuam tshuam rau cov tshuaj tiv thaiv, ua rau cov ntaub ntawv xeem tsis yog sawv cev.

Txawm li cas los xij, kev soj ntsuam online thev naus laus zis tuaj yeem daws qhov kev txwv ntawm kev saib xyuas offline.Nyob rau hauv cov txheej txheem optimization, online spectroscopy yuav siv tau los saib xyuas lub real-time in-site concentrations ntawm reactants, intermediate khoom, thiab cov khoom.Lub immersion sojntsuam ncaj qha mus txog hauv qab cov kua nto nyob rau hauv cov tshuaj tiv thaiv kettle.Kev sojntsuam tuaj yeem tiv taus corrosion los ntawm cov ntaub ntawv xws li HF, hydrochloric acid, thiab chlorosulfonic acid, thiab tuaj yeem tiv taus txog li 200 ° C kub thiab 15 MPa siab.Daim duab sab laug qhia txog kev saib xyuas online ntawm cov reactants thiab cov khoom nruab nrab nyob rau hauv xya txheej txheem tsis.Raws li qhov ntsuas 7, cov khoom siv raw tau noj sai tshaj plaws, thiab cov tshuaj tiv thaiv tau ua tiav qhov ntxov tshaj plaws, ua rau nws qhov zoo tshaj plaws cov tshuaj tiv thaiv.

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Post lub sij hawm: Nov-23-2023