Lomiko Announces Excellent Results From the La Loutre Graphite Single-Layer Phase 2 Pouch Cell Battery Testing and Suitability as Battery Anode Material and Company Update on Bourier
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Figure 1. Lomiko graphite single layer pouch cell batteries produced and tested by Polaris (Photo: Business Wire)
In Phase 2, cathode and prepared anode were combined into a single-layer pouch cell format to undergo electrochemical testing to demonstrate technical performance as a full rechargeable battery. Note that the single-layer pouch cells provide a format that is similar to those used in industry while not requiring large amounts of active material. The coated spherical graphite material (eSPG) provided for the originated from coated purified samples generated by the Corem Innovation Centre in
The single-layer pouch cells constructed with our graphite anode and standard cathode material demonstrated that our graphite performs well under basic test conditions: cSPG16 and cSPG20 samples from La Loutre reveal strong performance of the La Loutre cSPG with better discharging capacity compared to commercial graphite in
Concurrent with these studies, Lomiko is also working on the “NRC Study” announced on
“The importance of natural flake graphite supply was once again delineated with the
Polaris Single Layer Pouch Cell Study
Pictures of the pouch cells made with Lomiko cSPG are shown pictured in Figure 1.
In Phase 2, Polaris constructed single-layer cells using the coated graphite materials paired with a cathode source. NCM111 was selected for this analysis. Preliminary cycling results indicate consistent performance with internal standard references, showing a relative capacity fade rate over 25 cycles at C/2 of less than 0.1% per cycle.
Initial cycling data suggests consistent performance with internal baseline performance metrics for an NCM111 cathode in a single-layer cell using commercially available natural graphite as the anode material. Figure 2 shows a plot of an internal performance reference for an NCM111 vs. natural graphite single-layer cell in comparison to the single-layer cell using graphite batch SPG16. C/20 and C/10 data represent a boost in performance of ~1.5%, ~2.4% at C/5, and ~3.3% at C/2 versus the commercial reference. Further, SPG16 single-layer cells also demonstrate a lower degree of capacity loss at C-rate switches and more steady capacity at C-rate versus the commercial reference.
As observed in Figure 3, initial cycling data indicates consistent performance versus a commercial reference.
In conclusion, both SPG16 and SPG20 perform well as compared to commercial graphite reference material for charge and discharge capacities, first cycle loss coulombic efficiency, and gravimetric capacity. With these electrochemical performance results produced by Polaris, Lomiko has now successfully demonstrated the full value chain from ore to battery anode material on samples from the La Loutre project.
Bourier Property
Lomiko announces that in connection with its previously announced amended option agreement (the “Option Agreement”) with Critical Elements Lithium Corporation (“CELC”) on the Bourier project (see news release dated
The Bourier project site is located near Nemaska Lithium and Critical Elements south-east of the
Qualified Persons – La Loutre Graphite
Mr.
About
The Company holds mineral interests in its La Loutre graphite development in southern
The Property is underlain by rocks from the
In addition to La Loutre, Lomiko has earned-in its 49% stake in the
On behalf of the Board,
CEO and Director,
For more information on
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Neither the
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