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Waterproof Breathable Membrane
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Zinc-air Battery Hydrophobic Layer Waterproof Breathable Membrane

Usd for Zinc-air Battery Hydrophobic Layer and Fuel Cell Air Diffusion Layer.

  • Brand:

    TOB NEW ENERGY
  • item no.:

    TOB-PTFE-C
  • order(moq):

    1
  • Payment:

    L/C,T/T,Western Union,paypal
  • product origin:

    China
  • shipping port:

    XIAMEN
Product Detail

Waterproof Breathable Membrane for Zinc-air Battery Hydrophobic Layer and Fuel Cell Gas Diffusion Layers


SPECIFICATIONS


Two important roles of waterproof and breathable membranes

1、 Waterproof and leak-proof: prevent electrolyte from seeping out or blocking air passages.

2、 Breathable: It can smoothly allow air or oxygen to enter the catalytic layer, so as to ensure the continuous continuation of the reaction.


Waterproof and breathable membrane parameters:

Item

Specification value

unit

Remark

Material type

PTFE + Carbon

/

 

Thickness

0.3±0.05

mm

 

Breathability

30~40

ml/cm2/min

Under 7kPa conditions

Density

0.75±0.05

g/cm3

 

Porosity

20~25

%

 

Bend radius

1

cm

 

Strength

Transverse>0.8;Longitudinal>8

MPa

 

Elongation at break

Transverse>100;Longitudinal>20

%

 


When the waterproof and breathable membrane is pressed and adhered together with the cathode catalytic material and the current collecting layer, it can achieve better leak-proof effect.

 The characteristics of a good waterproof membrane: water droplets drop on the membrane, the contact area between the bottom of the water droplet and the membrane is small, the angle is close to 90°, and the water droplets can roll freely on the membrane and are not sticky to the membrane. The membrane has relatively good toughness and air permeability.


PRODUCT DISPLAY



Gas Diffusion Layers

Learn more other Battery Materials from TOB NEW ENERGY


 Email : tob.amy@tobmachine.com

 Skype : amywangbest86

 Whatsapp/Phone number : +86 181 2071 5609

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