Shenzhen Senior Technology Material Co., Ltd.

Chinese maker of lithium-ion battery separators and functional membranes

What Shenzhen Senior Material does

Senior Technology makes separators, the thin porous films inside lithium-ion batteries that keep the positive and negative sides apart while letting ions pass through. It produces them by dry, wet and coated processes, and also makes RO (reverse osmosis) membranes and other functional films. Its products end up in electric cars, energy storage systems, trains, phones, laptops, wearables and power tools.

How Shenzhen Senior Material makes money

It earns revenue by manufacturing and selling battery separator film to lithium-ion battery makers in China and abroad, with additional sales of RO membranes and other functional membrane products.

Products & services

• Dry-process lithium-ion battery separators
• Wet-process lithium-ion battery separators
• Coated separators
• RO (reverse osmosis) membranes
• Functional membrane products