Roj teeb-qib CMC

Roj teeb-qib carboxymethyl cellulose (CMC) yog ib hom tshwj xeeb ntawm CMC uas yog siv los ua cov ntawv khi thiab cov khoom hnyav hauv kev tsim cov roj teeb lithium-ion (LIBs). LIBs yog cov roj teeb uas muaj peev xwm siv tau rau hauv cov khoom siv hluav taws xob, tsheb hluav taws xob, thiab lub zog cia vim lawv lub zog siab ceev thiab lub neej ntev. Roj teeb-qib CMC plays lub luag haujlwm tseem ceeb hauv cov txheej txheem electrode fabrication ntawm LIBs, tshwj xeeb hauv kev tsim cov electrodes rau ob qho tib si cathode thiab anode.

Muaj nuj nqi thiab cov khoom ntawm roj teeb-Qib CMC:

1. Binder: Roj teeb-qib CMC ua raws li ib tug binder uas pab tuav lub active electrode cov ntaub ntawv (xws li lithium cobalt oxide rau cathodes thiab graphite rau anodes) ua ke thiab coj lawv mus rau tam sim no collector substrate (feem ntau yog txhuas ntawv ci rau cathodes thiab tooj liab ntawv ci rau anodes. ). Qhov no ua kom zoo hluav taws xob conductivity thiab mechanical stability ntawm electrode.
2. Thickening Agent: Roj teeb-qib CMC kuj ua hauj lwm raws li ib tug thickening tus neeg saib xyuas nyob rau hauv lub electrode slurry formulation. Nws pab tswj cov viscosity thiab rheological zog ntawm cov slurry, tso cai rau cov txheej txheej thiab deposition ntawm cov khoom electrode mus rau tam sim no collector. Qhov no ua kom tiav electrode cov ntawv tuab thiab ntom ntom, uas yog qhov tseem ceeb rau kev ua tiav roj teeb kev ua tau zoo tshaj plaws.
3. Ionic Conductivity: Roj teeb-qib CMC tej zaum yuav tshwj xeeb hloov los yog tsim los txhim kho nws cov ionic conductivity nyob rau hauv lub roj teeb electrolyte. Qhov no tuaj yeem txhim kho tag nrho cov khoom siv hluav taws xob thiab kev ua haujlwm ntawm lithium-ion roj teeb.
4. Electrochemical Stability: Roj teeb-qib CMC yog tsim los tswj nws cov qauv kev ntseeg siab thiab electrochemical stability nyob rau hauv lub neej ntawm lub roj teeb, txawm nyob rau hauv hnyav ua hauj lwm tej yam kev mob xws li kub siab thiab cycling tus nqi. Qhov no ua kom muaj kev ntseeg tau ntev thiab kev nyab xeeb ntawm lub roj teeb.

Kev tsim khoom:

Roj teeb-qib CMC feem ntau yog tsim los ntawm kev hloov kho tshuaj ntawm cellulose, ib tug natural polysaccharide muab tau los ntawm cov nroj tsuag fibers. Cov pab pawg carboxymethyl (-CH2COOH) tau nkag mus rau hauv cov pob txha cellulose los ntawm cov tshuaj lom neeg, uas ua rau tsim cov carboxymethyl cellulose. Lub degree ntawm carboxymethyl hloov thiab molecular hnyav ntawm CMC tuaj yeem ua tau raws li cov kev cai tshwj xeeb ntawm lithium-ion roj teeb daim ntawv thov.

Daim ntawv thov:

Roj teeb-qib CMC feem ntau yog siv rau hauv kev tsim cov electrodes rau lithium-ion roj teeb, nrog rau ob qho tib si cylindrical thiab hnab cell configurations. Nws yog incorporated rau hauv lub electrode slurry formulation nrog rau lwm yam khoom xws li active electrode cov ntaub ntawv, conductive additives, thiab cov kuab tshuaj. Cov electrode slurry yog ces coated mus rau lub tam sim no collector substrate, qhuav, thiab sib sau ua ke rau hauv lub kawg roj teeb cell.

Qhov zoo:

1. Txhim kho Electrode Performance: Roj teeb-qib CMC pab txhim kho cov khoom siv hluav taws xob, kev ruaj ntseg, thiab kev muaj peev xwm ntawm lithium-ion roj teeb los ntawm kev ua kom muaj cov txheej txheem electrode thiab muaj zog adhesion ntawm cov khoom siv thiab cov khoom siv tam sim no.
2. Txhim khu kev nyab xeeb thiab kev cia siab: Kev siv cov roj teeb zoo-qib CMC nrog cov khoom tsim nyog ua rau muaj kev nyab xeeb, kev ntseeg tau, thiab kev siv lub neej ntev ntawm lithium-ion roj teeb, txo qhov kev pheej hmoo ntawm electrode delamination, luv circuits, thiab thermal runaway txheej xwm.
3. Cov Qauv Tsim Kho: Roj teeb-qib CMC cov qauv tuaj yeem hloov kho kom tau raws li cov kev xav tau tshwj xeeb thiab cov hom phiaj ua haujlwm ntawm cov roj teeb sib txawv, kev siv, thiab cov txheej txheem tsim khoom.

Hauv cov ntsiab lus, roj teeb-qib carboxymethyl cellulose (CMC) yog cov khoom siv tshwj xeeb uas ua lub luag haujlwm tseem ceeb hauv kev tsim cov roj teeb lithium-ion ua haujlwm siab. Nws cov khoom tshwj xeeb raws li cov khoom sib khi thiab cov thickening tus neeg sawv cev ua rau muaj kev ruaj ntseg, kev ua tau zoo, thiab kev nyab xeeb ntawm lithium-ion roj teeb electrodes, ua rau kev nce qib ntawm cov thev naus laus zis huv huv thiab hluav taws xob txav mus los.