Lomiko Announces Excellent Results from La Loutre Graphite Testing with CRITM Grant and Corporate Update
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![Figure 1: La Loutre coated spherical graphite - cSPG (Photo: Business Wire)](https://mms.businesswire.com/media/20240506402432/en/2120416/4/Figure_1.jpg)
Figure 1: La Loutre coated spherical graphite - cSPG (Photo: Business Wire)
This study was first announced on
The spheronized sample was tested at the NRC with thermal purification processes: High Temperature (HT) purification in a small scall HT furnace. The sample was heated up to 2700 °C in argon gas for 5-10 minutes, followed by a natural cooling of the furnace for several hours, kept under Argon gas. The HT purification by the NRC was able to bring almost all elements below the 10 ppm target. Titanium stayed above the 10 ppm mark and could be ascribed partly to its high boiling point (3287 °C), which hasn’t been known to be the element of concern. The main positive points are that both Fe (iron) and Si (silicon) levels decreased 10,000 fold from % (percentages) to ppm (percent per million) level and are generally the main contaminants to address.
Table 1: La Loutre SPG contaminants composition before and after thermal purification
Element |
Before ppm |
After ppm |
Element |
Before ppm |
After ppm |
Element |
Before ppm |
After ppm |
Ag |
<0,3 |
<0,2 |
Fe |
5000 |
1,6 |
S |
3000 |
5,7 |
Al |
4000 |
3,8 |
Ga |
<1 |
<0,4 |
Sb |
<0,3 |
<0,2 |
As |
<0,3 |
<0,2 |
Ge |
<0,7 |
<0,2 |
Sc |
1,60 |
<0,2 |
Au |
<22 |
<43 |
Hf |
<0,5 |
2,2 |
Se |
<0,9 |
<0,8 |
B |
1,5 |
3,3 |
Hg |
<2,4 |
<1,2 |
Si |
13000 |
5,7 |
Ba |
<7,5 |
<2,3 |
I |
<27 |
<320 |
Sn |
<2,1 |
<3,3 |
Be |
0,06 |
<0,02 |
K |
2000 |
<3,6 |
Sr |
<2,5 |
<0,3 |
Bi |
<0,1 |
<0,1 |
La |
<6,5 |
<54 |
Te |
<0,3 |
<0,2 |
Br |
<0,4 |
<0,9 |
Li |
7,6 |
<0,5 |
Th |
<0,4 |
<0,8 |
C |
matrix |
matrix |
Mg |
5000 |
<1,6 |
Ti |
260,00 |
33 |
Ca |
2000 |
9,7 |
Mn |
29,00 |
<0,1 |
Tl |
<0,2 |
<0,2 |
Cd |
<0,9 |
<0,6 |
Mo |
9,6 |
11 |
U |
<0,4 |
<0,3 |
Ce |
<2,4 |
<6,4 |
Na |
240 |
0,7 |
V |
11,00 |
0,8 |
Cl |
32,00 |
4,7 |
Nb |
<0,04 |
<0,05 |
W |
<0,7 |
1,5 |
Co |
1,80 |
<0,08 |
Ni |
8,10 |
0,5 |
Y |
<1,4 |
<0,6 |
Cr |
<14 |
<4,8 |
P |
15,00 |
<0,04 |
Zn |
11,00 |
<2,4 |
Cs |
<0,8 |
<12 |
Pb |
2,1 |
<0,4 |
Zr |
13 |
15 |
Cu |
9,10 |
<0,7 |
Pt |
<0,3 |
<0,3 |
|
|
|
Highlights of the NRC half-cell test results
The reversible capacity of Lomiko’s
The short-term stability and reproducibility of the obtained material are very good, showing no decay of the capacity in 5 cycles. Also, a high coulombic efficiency (CE) of 99,9% after 5 cycles is observed, and very small standard deviation values for all parameters.
Conclusion and next steps
This concludes the preliminary testing of Lomiko’s natural flake graphite and Phase 1, and demonstrates that it is worthwhile to scale up and test this anode material in Li-Ion battery prototypes and continue with Phase 2.
Phase 2: The next steps regarding the CRITM and the NRC/
Corporate update
Management will be participating in the following events.
COO
CEO
CEO
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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