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CNTs-based Conductive Additives for Lithium Ion Battery
$48/5g
$118/25g
Please contact us for quotes on larger quantities.
Stock#: US4700 Details:
CNTs-based Conductive Additives for Lithium Ion Battery
Outside diameter (d50): 50-80 nm (from HRTEM, Raman)
Length: 10-15 um (TEM)
SSA: > 60 m2/g (BET)
Appearance: Black Powder
PH Value: 9
Ash: < 0.3 wt% (TGA)
Tap density: 0.17 g/cm3
Adsorption value: >530 ml/100g
Volume resistivity: 2~5 x 10-4 Ω·cm (Four-probe Method)
Moisture (as packed): 0.1-0.3 wt%
Content of Ni: < 0.5 wt% (ICP)
Content of Mg: < 50 ppm (ICP)
Content of Fe: < 50 ppm (ICP)
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CNTs-based Conductive Additives for Lithium Ion Battery Product Description
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CNTs-based Conductive Additives for Lithium Ion Battery are a kind of composite. It is composed of high electric conductive CNTs and a kind of carbon black. The carbon black particles can not only prevent dispersed CNTs from reagglomerating, but also exhibit synergetic effect with CNTs in Li-ion battery. More important, the product is very easy to be dispersed in Li-ion battery electrode, and the CNTs network can ensure the Li-ion battery having the best cycle performance.
As a CNTs-based conductive additive, the product can fit for artificial graphite, spherical natural graphite, MCMB, CMS, Li4Ti5O12 et al anode materials, and for LiCoO2, LiFePO4, LiMn2O4, LiNiCoO2, LiNi0.5Mn1.5O4 et al cathode materials of lithium ion battery. Now, The product is utilized by most of lithium ion power vehicle manufacturers.
Compared with traditional conductive additive of Li-ion battery, the product contributes the evident superiority for Li-ion battery as follows:
· Longer cycle life and excellent performance at large current (increase twice).
· Higher tap density (adding 10%)
· Higher electrode conductivity
· Stronger electrode mechanical strength and adhesive attraction
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CNTs-based Conductive Additives for Lithium Ion Battery Application
The product can be used on both anode and cathode of Li-ion battery. The appropriate quantity of additive is 2~3wt% on cathode or 1~2wt% on anode. Dispersion circumstance could be oil or water.
Before using the product, disperse it in N-methyl-2-pyrrolidinone or water first (high-speed stirring for 2~3 hours, adding PVP or other dispersing agents if necessary). After dispersion, add in binders and stir for 1 hour. Then add in electrode materials and stir mixture for 4~5 hours.
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