Product list of Energy & Infrastructure
The Asahi Kasei Group provides products and services based on the core technology of membranes and separation, ranging from energy storage related business considering the future of energy to electrolysis related business for producing hydrogen, etc. Membranes and separation technology is also used in Life Science.
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Membranes & systems

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Microza UF and MF industrial membranes and systems
https://www.asahi-kasei.co.jp/membrane/microza/en/index.html
Microza™ UF and MF industrial membranes and systems
Advanced ultrafiltration and microfiltration hollow-fiber membranes and systems developed and produced by Asahi Kasei, at the forefront of filtration process and materials technology. Microza™ UF and MF – serving industry and the environment, around the globe, through water treatment, separation, purification, and refining, in automotive, electronics, pharmaceuticals, and other fields of production and processing.
Aciplex ion-exchange membranes and systems
https://chlor-alkali.asahi-kasei.co.jp/en/
Aciplex™ ion-exchange membranes and systems
Aciplex™ membranes, process equipment, and systems for caustic soda production from Asahi Kasei – the global leader in advanced ion-exchange membranes and membrane-process electrolyzers for energy-conserving, ecofriendly salt electrolysis, and the world’s largest supplier.
Large-scale alkaline water electrolyzer for producing hydrogen from renewable energy Aqualyzer
https://ak-green-solution.com/en/
Large-scale alkaline water electrolyzer for producing hydrogen from renewable energy Aqualyzer™
Asahi Kasei contributes to the decarbonization of society by promoting the use of green hydrogen produced from renewable energy.

Separators

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Hipore lithium-ion battery separator
https://www.asahi-kasei.co.jp/ak-bsc/en/
Hipore™ lithium-ion battery separator
Hipore™ is a microporous polyolefin sheet which prevents the anode and cathode from contacting one another and causing a short circuit, while enabling lithium ions to pass back and forth during charging and discharging. While market growth continues in mainstream LIB applications for portable devices such as smartphones and tablet PCs, significant additional growth is forecasted in electric vehicle applications. Asahi Kasei will continue to expand capacity in line with demand growth while advancing the global expansion of Hipore™ operations to meet emerging customer needs.
Celgard lithium-ion battery separator
https://www.celgard.com/
Celgard™ lithium-ion battery separator
Based on more than 40 years of market-leading research, development, and manufacturing experience, Celgard™ dry-process membrane is used as separator in various lithium-ion batteries. Its performance characteristics are especially suited to hybrid vehicles and electric vehicles. The broad product lineup includes thickness ranging from 7–40 microns and availability in both single-layer and multi-layer configurations to meet a wide range of needs.
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