Products

The W-SCOPE Group is engaged in the manufacture and sale of membrane films, such as separators for lithium-ion secondary batteries and ion exchange membranes, utilizing its unique polymer film technology.

Bare/CSS

Bare Film Separator

WCP – Sequential
Stretching Process

  • Faster production speed
  • Require advanced technology
  • High uniformity

Other Manufacturers - Simultaneous Stretching Process

  • Lower ratio of effective area
  • Stretching rate fixed at up to 6 times
  • Difficult to implement strength in certain level

Ceramic Coated Separator

  • Use environmentally friendly water-based slurry which requires high technology
  • Secure the health of the workers
  • Cost reduction by securing yield through stable production
  • 2.2x increased productivity through proprietary coating technology
  • Proprietary binder synthesis technology
Classification Past Present Future

Bare Flim

12 ~ 25 ㎛ 9 ~ 12 ㎛ Customized R&D (Improvement in strength and thinning)

コーティング
(Ceramic Coated Separator)

20 ~ 24 ㎛ 13 ~ 16 ㎛

Ion-Exchange Membrane

W-SCOPE's Ion Exchange Membrane

  • Secure competitiveness through the application of pore control technology.
  • Produce products selectable with a thickness range of 10um ~ 200umby independent porous support
  • Production of eco-friendly hydrocarbon-based support
  • A superior gap in productivity through the possession of unique technology
  • Possession of ionomer technology and impregnation technology

Ion exchange membrane manufacturing process

  1. Raw material selection

    Ionomer and catalyst dispersion technology
  2. Ionomer Development

    Ionomer synthesis technology
  3. Porous Support Development

    Pore control technology of porous support
  4. Optimization of Film Forming Technology

    Large area film forming technology
  5. Secure Mass Productivity

Properties of our ion exchange membrane

Classification Homogeneous
Membrane
W-SCOPE's Complex Electrolyte Membrane
Heterogeneous
Membrane
Thickness of membrane 50~100μm 10~100μm 300~500μm
Technology Level Low High Low
Application Narrow Wide Narrow
Production speed Low High Low
Price High Affordable High