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Ottawa pledges $4.1 million to produce crucial HPA for batteries

December 2, 2021   Don Horne

Ottawa is pledging $4.1 million towards Oakville, Ont.-based Polar Sapphire through Sustainable Development Technology Canada.

This is the second SDTC investment in Polar Sapphire and part of “a continuing collaboration that is helping the company produce high-purity alumina (HPA) for use in next-generation solid-state lithium-ion batteries,” according to a company press release.

Polar Sapphire has stated that it will use the investment to evolve its core process for the manufacture of a different type of HPA, improving the product’s quality and purity while expanding its market. The company employs cutting-edge technology to perform purification at lower temperatures and with less power, reducing the cost and carbon footprint of HPA production.

According to Polar Sapphire, next-generation LIBs will require HPA as a key ingredient. These solid-state LIBs could be a game changer for electric vehicles and many other clean technologies by charging faster, storing more energy, offering greater safety than liquid LIBs and helping propel the shift to a net-zero carbon economy.


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