Products & Services > Battery Separator > Separator for Lithium-ion Battery
NanoBase is series of nonwoven fabric for battery separator that can realize compatibility between low cost and great improvement in battery performance.
Lineup Feature Application
Lithium Ion Battery Electric Double-layer Capacitor
NanoBase2 Cellulose nano-fiber separator
Combination with synthetic fiber
NanoBaseX Ceramic coated separator
Base: Polyester non-woven
◎:main target
○:well-matched under a specific condition

High heat-resistant non-woven separator with thinness and small pore size, accomplished by optimum combination of fine synthetic fibers and cellulose nano-fibers.


Ceramic coated polyester non-woven separator fulfilling high heat-resistance and small uniform pore size.

Battery Safety Test(movie)

It has been confirmed that our newly-developed coated nonwoven separator for lithium ion battery, NanoBaseX, contributes to ensure the high safety even on the cell using nickel-lithium oxide as a positive electrode. 

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