Ministry of New Energy

The New Energy Division has been specializing in the lithium-ion battery industry for over 20 years, offering a variety of related products. The product categories include PPE (modified resin), various types of sealing tapes for tabs, nano-silicon heat-resistant materials, etc.

The main applications cover fields such as civil and power lithium-ion battery cells, module PACKs, and related supporting injection molding. It comprehensively meets the development and application needs of different users in the lithium battery industry.

Lithium battery insulation sheet

The lithium battery insulation sheet produced by Stream uses nano microporous insulation board as the core material. While retaining the super insulation performance of the nano board, the strength and toughness of the nano board are enhanced by encapsulation, with a thickness of up to 1mm. The excellent flame retardant and insulation properties of the battery insulation sheet help prevent battery self ignition caused by thermal runaway of the battery cell, ensuring sufficient safe escape time in extreme situations. At present, Stream battery insulation sheet is one of the best battery insulation products.

A. PET film or PI film B, nano microporous insulation core material C, silicone frame
Lithium battery insulation sheet

Performance	Unit	Standard value	Test method
Density (core material)	Kg/m3	350	/
insulation resistance	MΩ	>500 @1000V DC, 60s	GB/T 31838.4-2019
pressure resistant performance	mA	<1 @3500V DC, 60s	IEC-60243.1-2013
thermal conductivity	W/m-K	<0.025, @25°C	GB/T 10295-2008
thermal conductivity	W/m-K	<0.035, @700°C	YB/T 4130-2005
Specific heat capacity	J/g.°C	0.7-1.1 @25°C
Flame retardant grade	/	V0	UL94&GB/T2408-2008
environmental requirements	/	Compliant with RoHS, REACH,	IEC 62321 and others
Long term temperature resistance	°C	1000°C
thickness	mm	>1	Thickness Gauge

Nano microporous insulation board core material

The core material of the nano microporous insulation board is made by mixing nano silica, silicon carbide, and special fibers evenly, and then physically pressing them using patented production equipment. It has high production capacity and good stability; All components of the product are inorganic non-metallic materials, 100% recyclable, non-toxic and harmless.

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