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Extrusion 6-2023


Extrusion 6-2023


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Canada researchers turn bitumen into carbon fibres

Canada researchers turn bitumen into carbon fibres


Bitumen, the sticky product from Alberta’s oil sands, is normally burned as fuel or gets a second life as asphalt pavement.

But what if it could be turned into something more valuable, like the carbon fibres that make aircraft and hockey sticks light and durable, and electric cars safer and more efficient?

Cheaper fibres

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Dr. Yasmine Abdin (right) and her collaborators are transforming bitumen from Alberta’s oilsands into carbon fibre. Photo credit: UBC Applied Science/Paul Joseph

UBC materials engineer Dr. Yasmine Abdin and her colleagues, Dr. Frank Ko in the faculty of applied science and Dr. Scott Renneckar in the faculty of forestry, have developed a way to convert bitumen into commercial-grade carbon fibres.

Their solution uses melt spinning to produce two sizes of fibres cleanly and economically. Projected cost is $12 per kilo, compared to commercial carbon fibres that normally cost $33 per kilo.

The solution won the first two phases of the Carbon Fibre Grand Challenge, a competition launched by Alberta Innovates to recover valuable products from oil sands, and the team plans to apply for the third phase of the challenge.
Electric dreams

The team expects to start commercial production in 2024, and sees wide applications for their carbon fibres in electric cars, improving vehicle performance and ultimately helping to boost EV adoption rates.

“Carbon-fibre bodies can compensate for the weight of the typical EV battery pack. Using carbon fibres in the chassis helps the battery stay cool, improving safety and extending the driving range,” says Dr. Abdin.

With around one million cars and other light vehicles being manufactured in Canada annually, she adds, using local carbon fibres can give automakers a competitive edge, while supporting Canada’s goals for reducing emissions.



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