Pouch Cell Making Materials

Description

Model Number:Zoway-PM-line
1. Compliance:CE Certified
2. Warranty:2 Year limited warranty with lifetime support
3. Delivery Time:In Stock

Email: imani@batterypackassembly.com
Tel:+86 13174506016
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Content

Email: imani@batterypackassembly.com

Procedure for Preparing Water-based Electrode Slurry (Graphite Anode) & Recipe:

· Weight Ratio (All other weights depends on how much active powder you will use):

o Anode Active Powder - MCMB: 94.5%

o CMC: 2.25%

o SBR: 2.25%

o Conductive- Super P: 1%

o De-Ionized water: At least 120% of MCMB

· Heat treat the active powder in the inert gas environment, 300~400ºC for an hour, *Heat treatment via LN Furnace is suggested, please click the underline to view product details.*

· Grind mill the active and conductive power for about 30 minutes. *Grind milling via LN Ball Mill is suggested, please click the underline to view product details.*

· Make liquid thickening agent: heat up de-ionized water to 80ºC and then slowly add CMC into the water and keep stirring until the CMC is fully dissolved. Usually this process will take >60 minutes.

· Slowly add SBR and stir for another 60 minutes. You may add some more water if the SBR can not be fully dissolved.

· Add active and conductive powder into the slurry and stir. It is suggested to separate the powders into 2 or 3 piles, add the first pile and mix for 30 minutes...add the second pile and mix for another 30 minutes...until all the piles are finished. This will help improve the mixing uniformity. *Slurry stirring by LN Vacuum Mixer is preferred, please click underline to view the recommended instruments*

· Take sample and test the viscosity. The recommended viscosity for the slurry is between 5000 and 6000 CPS. If the viscosity is above this range, add more de-ionized water; if the viscosity is lower, add more binder (CMC and SBR)

· *It is suggested to use LN Viscosity Tester to verify the slurry's viscosity, please click underline to view product details.*

Procedure for Preparing Cathode Electrode Slurry & Recipe:

· Weight Ratio (All other weights depends on how much active powder you will use):

o Cathode Active Powder - LiFePO4, LiCoO2... : 93.5%

o PVDF: 2.25%

o Conductive Super- C45: 4.0%

o NMP: 8/15 of the solid content by weight

· Heat treat the active powder in the inert gas or vacuum environment, 120~140ºC for two hours,

· Grind mill the active and conductive power for about 30 minutes.

· Heat up NMP solution to 80°C. Slowly add PVDF and keep stirring until the PVDF is fully dissolved. Usually this process will take around 120 minutes.

Take a sample and test the viscosity. The recommended viscosity for the slurry is around 6000 CPS

Specification

Type	Product Name	Main Features
Cathode Material for Li-ion Battery	LiCoO2 Powder	1. Formula：LiCoO2 2. Appearance: Black Powder 3. Molecular Weight：97.88 4. First Discharge Capacity (mA/g) : 145 @1C 5. Reasonable A-G Range: 6. 6. Anode has 5% ~10% more capacity than the cathode. 6. Voltage Range vs Li: 3V ~ 4.2V
	LiFePO4	1. Tap density: 1.132G/cm3 2. Resistance: 114.9Ω.cm 3. First discharge efficiency: 97.5% 4. First capacity: 155.5mAh/g
	PVDF Binder	1. Purity:≥99.5% 2. standard specific gravity:1.74~1.77 3. Dielectric constant :4.50~5.50; 8.00~9.50 4. Melting Point:160-168 5. Melting Indix:1-2 6. Solubility:Transparent and dissolvable 7. Rotation Viscosity:≥2000 8. Intrinsic Viscosity :1.0-2.0 9. Moisture:≤ 0.1
	NMP Solvent	1. The molecular formula:C5H9NO 2. Purity:99.90% 3. Melting point: -24℃ 4. Boiling point: 202℃ 5. Density:1.028 g/ml 6. Refractive index:1.465-1.470 7. Flash point:95℃
	Super Conductive Carbon Black Powder	1. BET Nitrogen surface area:62M2/g 2. Adsorption Stiffness Value (2):32Ml/5g 3. Moisture (as packed):0.1% 4. Density：160Kg/m3 5. Sulpher Content：0.02% 6. Iron(3)：10ppm 7. Nickel:1ppm
	Aluminium Foil	1. Thickness:9-19um 2. Standard width:200mm 3. Length:120m/roll (size can be customized according to request）
	Carbon Coated Aluminum Foil	1.Aluminum foil thickness:12-30um 2.Conductive coating single surface density(g/㎡/ side):0.5-2.0 g/㎡ 3.Double coating 4.Each side coating thickness is 1um
Anode Material	MCMB Graphite Powder	1. Appearance: powder 2. Color : black 3. Moisture ≤0.035% 4. Carbon content: 99.96% 5. Tap density: 1.324 g/cm³ 6. Specific surface area: 2.022㎡/g
	High Purity Carboxymethyl Cellulose Powder CMC	1. Viscosity, mpa.s (2% aqueous solution):7000~10000 2. Purity:≥99.5% 3. Water content:≤10% 4. substituting degree:0.6~0.9 5. PH:6.0~8.5 6. heavy metal(pb), ppm:≤15 7. Fe, ppm:≤40 8. As, ppm:≤2
	Super P	1. Volatile Content: 0.15 % max 2. Toluene Extract: 0.1% max 3. Ash content (600 °C): 0.05% max 4. Density: 160kg/m3
	Copper Foil	1.Thickness:9-15um 2.Standard width:200mm (Size can be customized according to request)
	Conductive Coating Copper Foil	1.Size:201*0.008mm 2.Length: 35m-40m 3.Cooper Foil width: 150mm 4.Double coating 5.Each side coating thickness is 1um
	SBR Styrene Butadiene Rubber	1.Total solide (wt%):48~53 2. PH:5~7 3. Broofield viscosity (mPa.s):50~250
Other	Aluminum laminated film	1. Surface quality: Mat finish 2. Molding Depth≥5.0mm 3. Hot Sealing Coniditon: 180-190°C 4. AL/CPP peel strength≥ 6N/15mm
Other	Separator	PP PE Celgard Optional