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Nano Dispersion Business

DSP has been developing carbon nanotube dispersion since 2016 to make a key raw material for the global nano industry.
Through continuous core technology development and facility investment,
we have the unique technology of manufacturing nano dispersion.
Since 2018, we have been conducting research and development activities to produce carbon nanotube dispersion
in aqueous and various solvent forms and meet customer needs.

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Material ( Specification of Carbon Nano Tube )

Single - Wall Carbon Nano Tube

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Items.		Unit	Results	Method
Carbon Content		wt.%	>85	TGA, EDX
SW - CNT	Content	wt.%	≥75	TEM, TGA
	Number of walls	Unit	1	TEM
	Mean diameter	㎚	1.6±0.6	RAMAN, TEM
	Length	㎛	>5	AFM
Metal impurities		wt.%	<15	EDX, TGA, Ash Residue

Multi - Wall Carbon Nano Tube

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Items.		Unit	Type A ( Thin-Wall )	Type B
MW - CNT	Content	wt.%	≥ 98.5	≥ 98.0
	Diameter	㎚	6 – 9	7 - 10
	Length	㎛	100 - 200	100 - 200
	Bulk Density	g/㏄	0.008 – 0.01	0.005 – 0.015
	BET	m2/g	400 - 700	250 – 350
Metal impurities			Aligned Bundle Type

Our Line-up with Main Application

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Application for Lithium-ion Battery

Conductive agent for Cathode & Anode

- Long cycle life
- Improve mechanical properties, better adhesion of electrode materials
- Replacing carbon material (Carbon black, Carbon fiber, etc.) in battery

Conductive agent for Cathode

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* Single-wall CNT DUKSAN Suspension

BASE Solution : N-Methyl-2-pyrrolidone, NMP
CNT Content : 0.2 ~ 0.4 %

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* Multi-wall CNT DUKSAN Suspension

BASE Solution : N-Methyl-2-pyrrolidone, NMP
CNT Content : 2.0 %

Conductive agent for Anode

- Volume resistance decreased ( Powder Resistance for Electrode Slurry )
- Increase energy density due to high percent of active material in battery electrode
- Multi-wall Suspension : High purity carbon material ( Fe free, Metal impurity < 1% )

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