Ob chav phab ntsa Carbon Nanotube hmoov (DWCNT hmoov)

Cov neeg yuav khoom feem ntau kho cov pa roj carbon nanotubes raws li kev xaiv binary: SWCNT yog tias koj muaj peev nyiaj thiab ua siab ntev, MWCNT yog tias koj xav tau nkoj ntim ntawm tus nqi zoo. Tus menyuam nruab nrab-ob phab ntsa carbon nanotube (DWCNT)- tau hla, feem ntau vim tias ntau tus neeg muag khoom tsis tuaj yeem ntseeg tau cais nws ntawm nws ib leeg - thiab ntau- phab ntsa cov kwv tij. Yog ib tug nco. DWCNT yog ib qho qauv uas ua rau SWCNT-zoo li kev thauj khoom hluav taws xob thaum tau txais sab nrauv- plhaub tiv thaiv uas txwv tsis pub oxidation thiab muaj sia nyob tiag - ntiaj teb kev tawg.

NtawmShandong Tanfeng, DWCNT tsis yog cov khoom lag luam uas peb tau tawm ntawm lub txaj MWCNT. Peb khiav CVD tej yam kev mob tuned kom haum rau ob-plhaub qauv ( puab 1–3 nm, txheej 2–4 nm), ces purify mus thawb DWCNT cov ntsiab lus dhau 60% ntawm tag nrho cov CNT huab hwm coj, nrog hlau residue tuav nyob rau hauv 30 ppm. Yog tias koj daim ntawv thov zaum ntawm "yuav tsum tau ua zoo li SWCNT" thiab "tsis tuaj yeem them SWCNT," cov hmoov no yog tus yeej ntsiag to.

Vim li cas DWCNT Hloov SWCNT lossis MWCNT

Lub raj-hauv- raj geometry ua ib yam dab tsi zoo: lub phab ntsa sab nrauv siv kev tsim txom- oxidation, functionalization, shear nyob rau hauv ib tug xov xwm mills-thaum lub puab phab ntsa nyob twj ywm pristine thiab ua kom lub ballistic electron txoj kev nyob rau hauv zoo. SWCNTs poob conductivity lub sij hawm koj functionalize lawv; MWCNTs nqa cov electrons los ntawm phab ntsa sab nrauv thiab raug kev cuam tshuam ntawm - phab ntsa tawg. DWCNT cais qhov sib txawv.

Cov kab uas tseem ceeb rau pab pawg R & D: koj tuaj yeem carboxylate phab ntsa sab nrauv rau cov dej tawg yam tsis muaj kev tua cov sab hauv -cov xim hlau / semiconducting tus cwj pwm. Tias yog vim li cas DWCNT tshwm sim nyob rau hauv hloov pauv hloov pauv, roj sensors, thiab premium composite pre-pregs qhov twg SWCNT overkill thiab MWCNT nyob rau hauv - ua.

Qhov twg DWCNT Powder Khwv Tau Nws

Hwm roj teeb anodes/cathodes: Lub voj voog tuav zoo dua li MWCNT ntawm kev thauj khoom zoo sib xws; Sab nrauv phab ntsa ciaj sia slurry shear, sab hauv phab ntsa ua rau network conductivity.

Flexible electronics & sensors: H₂/NH₃/NO₂ gas sensing, strain gauges, and TCFs where SWCNT is too pricey for pilot scale.

High-kawg polymer composites (PEEK, PI, epoxy): 0.1–0.5 wt% ntxiv ob qho tib si modulus thiab static dissipation yam tsis muaj opacity ntawm CB.

Field-emission & SEM/AFM cov lus qhia sojntsuam: Ntse, robust, thiab electronically tunable.

Cov kws kho mob biomedical: Sab nraud-phab ntsa -COOH/–PEG functionalization, sab hauv phab ntsa tsis kov- pab tau rau kev xa khoom R&D.

Shandong Tanfeng Ntug (DWCNT-Specific)

DWCNT yog qhov chaw ntsug kev koom ua ke nres ua cov lus hais thiab pib ua qhov teeb meem purity. Kev sib cais 2-plhaub los ntawm 1-plhaub thiab 5-plhaub cov neeg nyob sib ze yog ib qho nyuaj tshaj li tsuas yog loj hlob MWCNTs. Peb khwv tau nws ntawm plaub fronts:

CVD xaiv: Floating-catalyst recipe and residence time tuned so the dominant population is two-wall, not a smear of structures. Tanfeng lists DWCNT purity >60%, OD 2-4 nm, ntev ~ 50 µm lossis 0.5-2 µm nyob ntawm qib.

Purification uas khaws cov phab ntsa sab hauv: Peb oxidative + acid-leach + siab-T anneal sequence strips Fe/Co/Ni rau<30 ppm and amorphous carbon to <1%, while TEM confirms the inner shell survives (no "collapsed" DWCNTs masquerading as powder).

Qib pob tshab: Peb qhiaDWCNT pawg feemHauv COA, tsis yog "carbon purity Ntau dua lossis sib npaug li 98%. Cov neeg yuav khoom sib piv cov neeg xa khoom tuaj yeem pom tias lawv tau txais 40% lossis 65% DWCNT.

Functionalization yam tsis tau tso tseg: –COOH, –OH, and PEGylated outer-wall grades available. Inner-wall Raman signature (ID/IG >1.1) nyob twj ywm -peb xyuas nws ua ntej thiab tom qab hloov kho.

Gram -rau-ton continuity: 500 g PE hnab thiab 1000 kg ton hnab tuaj tawm tib lub phiaj xwm. DWCNT cov ntsiab lus CV nyob hauv ± 5% thoob plaws ntau, uas yog tib qho laj thawj uas tus kws tsav dav hlau tuaj yeem tsim nyog rau peb thiab GWh kab tuaj yeem ntseeg peb.

Yam Specifications (Tanfeng DWCNT hmoov)

Qauv: Ob chav-walled (puab 1–3 nm / sab nraud 2–4 nm)

DWCNT cov ntsiab lus: >60% ntawm tag nrho CNT pawg (TEM-validated)

Cov pa roj carbon purity (TGA): Ntau dua lossis sib npaug li 98%

Hlau residue (Fe / Co / Ni): <30 ppm ua ke (ICP-MS)

Amorphous carbon: <1%

Ntev: ~ 50 µm (qib ntev) / 0.5–2 µm (qib luv)

SSA (BET): 350–500 m²/g

Axis conductivity: ~1×10⁵–8×10⁵ S/m

Raman ID/IG: >1.1

Qhov ntom ntom: 0.03-0.08 g / cm³ (nplaum, tiv thaiv - zoo li qub)

Moisture: <0.5%

Functionalization: pristine / –COOH / –OH

Ntim Cov Khoom Uas Muaj Kev Ruaj Ntseg Nano Powder Handling

DWCNT hmoov yog ntau aerodynamic tshaj MWCNT thiab ntau rhiab heev rau ya raws -tsav re-agglomeration dua SWCNT. Peb tsis cuam tshuam txog kev tswj hwm.

Nitrogen tshem tawm ntawm cov ntawv ci thiab tuj - hnab hom muaj nyob ntawm kev thov.

Tsim nyog tus me nyuam nruab nrab kom raug

Yog tias koj tab tom tshawb xyuas DWCNT cov peev txheej, cov lus nug tsis yog "dab tsi yog txoj kab uas hla"-nws yog "qhov feem ntawm koj cov hmoov yog ob npaug -walled, thiab cov phab ntsa sab hauv puas muaj sia nyob ua haujlwm?" Peb nkoj aTsawg dua lossis sib npaug li 500 g PE- qauv hnabnrog TEM pov thawj ntawm DWCNT feem, Raman ua ntej / tom qab -COOH mod, ICP{0}}MS, thiab BET los ntawm ntau qhov ntawd. Tsis muaj "muaj DWCNT" txhais tes-waving.

Qhia rau peb koj cov matrix (NMP slurry / dej-borne sensor number case / PEEK yaj / epoxy) thiab seb koj puas xav tau xim hlau- tseem ceeb lossis semiconducting- cov neeg tseem ceeb, thiab peb yuav phim qhov ntev ntawm qib thiab functionalization es tsis txhob xa lub thawv default.

Yog tias koj xav tau, kuv tuaj yeem pab koj tsim ib sab-los ntawm- sab sim matrix-Tanfeng DWCNT vs koj tam sim no SWCNT thiab MWCNT ntawm 0.2 / 0.5 / 1.0 wt%- taug qab percolation, flex- voj voog tiv thaiv, thiab ib puag ncig ntawm Raman innersion, thiab kev qhia sab hauv{8 cov qauv nruab nrab yog ib qho uas ua tau nkoj.

Cim npe nrov: Tuam Tshoj ob phab ntsa carbon nanotube hmoov manufacturers, lwm tus neeg, Hoobkas