Processing Requirements

Lithium battery copper-aluminum foil requires breathable micro-holes without damaging separator

Technical Solution

Nanosecond pulse laser with precise energy control

Processing Results

• Processing speed 1000 holes/sec
• No thermal damage to separator
• Battery cycle life improved 15%

Details

Project Overview

Breathable micro-hole processing on lithium battery copper-aluminum foil.

Technical Challenges

Ultra-thin foil requires high-speed processing without thermal damage.