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Nano One unveils coated single-crystal cathode with 4x durability

The technology is applicable to all of the company’s cathode materials, but is particularly relevant to lithium nickel manganese cobalt oxide

Batteries
Nano One’s process combines the metals, lithium, additives and coatings in a single reaction, which produces a precursor that forms into a single-crystal cathode along with its protective coating

Nano One Materials Corp (CVE:NNO) (OTCPINK:NNOMF) announced Wednesday that it has developed a coated single-crystal cathode material for lithium-ion batteries capable of providing four times greater longevity. 

The technology is applicable to all of the company’s cathode materials, but is particularly relevant to lithium nickel manganese cobalt oxide (NMC811), the company said. The innovations are patent pending, the company said. 

"Nano One has developed a coated single nanocrystal cathode material, which provides protection against undesirable side reactions and the stresses of repeated charge and discharge cycling,” Chief Technology Officer Stephen Campbell said in a statement. 

READ: Nano One Materials engages strategic advisor as development of its lithium-ion battery technology advances

“We are focused on optimizing this for NMC811, and I am pleased to present recent results that show how protective coatings on a robust crystal structure can make cathode powders more durable and longer lasting,” Campbell said. “Increased durability is critical in enabling extended range, faster charging and even million mile batteries for electric vehicles."

Traditional cathodes consist of a dense cluster of crystalline particles, known as polycrystalline, created by forming clusters NMC precursor, milling that with lithium and firing it in a kiln. The problem, though, is that the clusters can expand, contract and break apart after repeated charging, fracturing the outer coating and exposing the crystals to potentially dangerous side reactions.

Nano One’s patented One-Pot process combines the metals, lithium, additives and coatings in a single reaction, which, when dried and fired, produces a precursor that forms quickly into a single-crystal cathode along with its protective coating.

“By forming protective coatings on individual nanocrystals, Nano One eliminates process steps and is engineering new materials with enhanced durability for various applications including electric vehicles,” Campbell said. “These are positive results and we are optimizing the materials for third party evaluation on the path to commercializing this technology."

Contact Andrew Kessel at [email protected]

Follow him on Twitter @andrew_kessel

Quick facts: Nano One Materials Corp.

Price: 1.59 CAD

TSX-V:NNO
Market: TSX-V
Market Cap: $125.2 m
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