NEO Battery achieved breakthrough results in highly stable long-term cycling ability using 100% silicon (Si) anodes. Dr. Jong Hyeok Park, Director and Chair of the Scientific Advisory Board of NEO Battery Materials Ltd. (TSXV: NBM) (“NEO” or the “Company”), 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 on NEO development incorporating silicon into the battery anodes:
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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.
Significant Results in Long-Term Cycling Ability and Mechanical Durability with NEO Battery’s 100% Silicon Anode Materials, March 29, 2021
