Turning wood byproducts into graphite for EV batteries to power cars

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While much of the world’s population enjoys more battery-powered electronic devices than ever before, concerned governments and manufacturers are scrambling to ensure reliable supplies of the minerals used to make them. There is.

Graphite is a vital resource for the mass production of batteries, and a New Zealand company has discovered a way to synthesize this important mineral using wood chips.

The company aims to meet half of the world’s projected global demand for graphite for EV and grid-scale batteries by 2030 with just 5% of all wood byproducts from the sawmill industry, burning and decomposing this wood waste. They claim that it can be prevented. This process actually removes 2.7 tons of CO2 per ton of biographite.

CarbonScrape has already secured $18 million in funding from leading Finnish and Swedish forestry company Stora Enso and Hong Kong-based battery manufacturer Amperex Technology Ltd.

Its production method is called thermal catalytic graphitization, which first produces charcoal, which is then transformed into graphite.

Graphite is used in battery negative electrodes, which requires high purity graphite, which is why biographite is graded.

“’Traditional’ synthetic graphite production uses fossil fuel-based feedstocks such as coal tar pitch and petroleum coke, and fossil fuel-based processes,” said CarbonScrape CEO Ivan Williams. he told Euronews.

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“As a result, for every tonne of graphite produced, we emit 35 tons of carbon dioxide.”

There is no need to go into detail about the environmental effects of graphite mining here. Suffice it to point out that carbon scraping contributes to a more circular economy in the highly acyclical realm of natural resource extraction by harvesting an existing waste stream, namely wood chips. is.

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CarbonScrape is also keen to point out that biographite production takes place near sawmills or near battery factories, which can save even more carbon by reducing unnecessary transportation.

Loans received from Finland and Hong Kong will be used to finance commercial biographite plants in the United States and Europe.

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