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Toray produces first porous carbon fibre

Nov '19
Pic: Toray
Pic: Toray
Toray Industries has produced the world’s first porous carbon fibre with a nanosized continuous pore structure. Using this fibre as a support layer could lighten advanced membranes used in greenhouse gas separation and hydrogen production and make them more compact, thereby enhancing performance. The company plans to further develop the new material.

The company will keep pushing ahead with R&D for this new material to foster carbon recycling, collaborating with other entities in developing applications to sustainably tap hydrogen energy and shrink environmental footprints.

Absorption- and adsorption-based facilities conventionally separate carbon dioxide, biogas, hydrogen, and other gases. The issue with such setups, however, is that they are large and consume a lot of energy, resulting in heavy carbon dioxide emissions. Gas separation methods employing membranes have thus attracted considerable attention. But despite ongoing research, no membranes have yet combined satisfactory gas separation performance and durability.

Toray’s new material is chemically stable because it comprises carbon, and offers outstanding gas permeability. The material employs thin, flexible fibres, so when it is used to support gas membranes a module can house many of them. Modules can thus be compact and light. Such support makes it possible to combine a range of gas separation layers.

Toray is looking to commercialisation of advanced separation membranes that are vital to materialising eco-friendly natural gas and biogas purification and hydrogen production.

Toray innovated its new material by combining its polymer technology with carbon fibre technologies and water treatment and other separation membrane technologies.

Harnessing its polymer technology enabled the company to create a porous carbon fibre with uniformly continuous pores and carbon. It is possible to set nano- through micro-level pore sizes for porous structures. Another possibility is to create a hollow fibre-shaped porous carbon fibre in the centre of a fibre.

Prospective applications leveraging the excellent adsorption of Toray’s new material include electrode materials and catalyst carriers (base substances for fixing other substances) in high-performance batteries.

Toray will open its R&D Innovation Centre for the Future in December. The new facility will serve as a global headquarters for strategic innovations by engaging with academic institutions and key partners from diverse fields. The company will collaborate with partners in efforts leveraging its new material in a drive to commercialise more advanced gas separation membranes.

Fibre2Fashion News Desk (SV)

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