
About
Asahi Kasei Honda Battery Separator Corp is a joint venture formed to produce Hipore™ wet-process, coated lithium-ion battery separators for electric vehicles at a new Port Colborne, Ontario plant.
The venture, with Honda Canada Inc. holding a 25% stake, targets an annual capacity of about 700 million square meters of coated separator (roughly enabling 1 million EVs per year) and production starting by 2027, aiming to strengthen North American EV supply chains and Honda’s carbon neutrality goals for 2050.
From the Battery Report
Battery Report 2025 · chapterSupply Chain: Upstream and MidstreamVolta Foundation's annual report on this part of the battery industry.Supply Chain Segments
Location Info
- HQ
- Tokyo, Japan
North America (1)
- Manufacturing
- Port Colborne, Ontario, Canada
Quick Facts
- Founded
- 2024
- Team Size
- 51-200
- Funding
- Private
- Last Updated
- Oct 14, 2026




