Significant Results in Long-Term Cycling Ability and Mechanical Durability with NEO Battery’s 100% Silicon Anode Materials

Vancouver, British Columbia – March 29, 2021

Dr. Jong Hyeok Park, Director and Chair of the Scientific Advisory Board of NEO Battery Materials Ltd. (TSXV: NBM) (“NEO” or the “Company”), is pleased to announce that NEO has achieved breakthrough results in attaining a highly stable long-term cycling ability using 100% silicon (Si) anodes. The pure Si anode that does not contain graphite anode materials has been successful in demonstrating these results at automotive rates of charge and discharge for over 1000 cycles. With the help of NEO’s proprietary uniform nanocoating technology, the capacity decay, most importantly, was less than 25% after running 1000 cycles.

As Elon Musk, CEO of Tesla, said, incorporating silicon into the anode of a Li-ion battery has the potential to improve energy density by 20–40%, extending the maximum range of vehicles by 20%. However, it is not easy to make an anode from 100% silicon nanoparticles that lasts over just one hundred cycles of charge and discharge.

Dr. Park commented, “Our patented elastomer nanocoating layer which has both electronic and ionic conductivity is able to compensate the mechanical stress of the Si anode during a long-term cycling test. Our technology effectively scatters the stress from the Si anode, allowing commercial level areal capacity of >2.0 mAh/cm2.”

“Currently, several evaluations for NMC/Si full cells are underway on NEO Si anode materials. NEO is continuing to develop Si anode material modification technology to manufacture innovative anode materials for next generation lithium-ion batteries at a low and scalable cost,” added Dr. Park.

About NEO Battery Materials Ltd.

NEO Battery Materials Ltd. is a Vancouver-based junior resource company focused on battery metals exploration in North America. The Company has staked new mining claims in Golden, BC, along a strike with a quartzite bed, targeting silica in the quartzites for a total of 467 hectares. The Company focuses on exploring and producing silicon, which, when added to anode materials in the production of lithium-ion batteries, provides improvements in capacity and efficiency over lithium-ion batteries using graphite in their anode materials. The Company intends to become an integrated silicon producer and anode materials supplier to the electric vehicle industry. For more information, please visit the Company’s website at:

On behalf of the Board of Directors

Spencer Huh
President and CEO

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange)
accepts responsibility for the adequacy or accuracy of this release.

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