Mason Graphite
inc. ("Mason Graphite" or the
“Company") (TSX.V: LLG; OTCQX: MGPHF) is proud to announce
excellent cycling test results of complete, prototype-type
lithium-ion batteries, containing the Company’s coated spherical
graphite produced at pilot scale. The coated spherical graphite, a
value-added product, will serve the lithium-ion battery market,
notably for electric vehicles.
Thus,
the batteries made with
graphite from the Lac Guéret
deposit, in the
anode, have
maintained 86% of their original
capacity after
470 cycles of charge and discharge
(see graph below). This a remarkable
performance, considering that for such prototype batteries, the
target in the electric vehicle application is a minimum of 80% of
retention after typically 500 cycles. These same batteries continue
cycling at NRC to validate that this objective will be reached and
to evaluate their life expectancy.
Graph: https://www.globenewswire.com/NewsRoom/AttachmentNg/f2ce3ba2-5bc0-4261-ad69-4c1419fb87a4
From a technological perspective for the cycling
tests, the batteries were charged and discharged at a rate of C/3
(3 hours to charge, 3 hours to discharge), which corresponds to the
conditions typically used for electric vehicles. The cathode used
for the test was a commercial material of NMC532 type.
Gilles Gingras, chairman of the Board of
Directors of the Company commented: “After many years of work and
based on our industrial approach, the experience and expertise of
our team allowed us to reach excellent results with our coated
spherical graphite project. That these results have been obtained
with samples produced at the pilot scale, and not laboratory scale,
clearly demonstrates how advanced our project is.”
Important
Partnerships
The prototype full pouch cell type batteries
were assembled on the new prototyping line of NRC in Boucherville,
Quebec, Canada (see attached picture), long-term partner of the
Company for the development of its spherical graphite grades, and
tested in NRC’s laboratories. The spherical graphite from the
Company was successfully processed during all the battery assembly
steps. Furthermore, the cells made with Mason Graphite’s material
have demonstrated, before the cycling tests, a capacity (in mAh)
comparable to the capacity obtained with commercially available
material tested in parallel under the same conditions.
The coated spherical graphite tested was
produced at the pilot scale (continuous processing feed capacity of
a few tens of kilograms per hour) in the installations of COREM,
Quebec, Canada, important partner of the Company since 2014, and in
the installations of the Company.
The properties of Mason Graphite coated
spherical graphite are:
- High purity (minimum 99.95
%Cg);
- Optimized grain size (average
particle size of around 20 µm);
- Low specific surface (around 3
m2/g); and
- High taped density (> 1.1
g/cm3), denoting the high sphericity level for the graphite
particles.
Step by
Step
The Company had announced, almost a year ago
(December 10th, 2019), that the coated spherical graphite had
passed with success the preliminary electrochemical tests in
half-cells (graphite vs lithium) and had therefore qualified to be
tested in full cells (graphite vs cathode). Mason Graphite plans a
new pilot production campaign of coated spherical graphite early
2021, which should be followed by a new sequence of cycling tests.
The objectives of this campaign are to demonstrate repeatability of
the processes, to apply recent optimization results and to prepare
samples for potential customers evaluation.
Participation to Benchmark Mineral
Intelligence Conference of
December 7th
On December 7th, Jean L’Heureux, COO for Mason
Graphite, will present during the “Natural Graphite” session at the
conference Benchmark Week 2020 on Li-ion batteries. Attendance is
free and open to all. To register, follow the link below:
https://us02web.zoom.us/webinar/register/WN_xt3yZv-9Q3uB-CHXIJ-Cnw
Consent of the Qualified
Person
Jean L'Heureux, Eng., M. Eng., COO for Mason
Graphite, and a Qualified Person, as defined by NI 43-101 for Mason
Graphite, was responsible for the audit of data presented in this
press release and read and approved it.
About Mason Graphite
Mason Graphite is a Canadian corporation
dedicated to the production and transformation of natural graphite.
Its strategy includes the development of value-added products,
notably for green technologies like transport electrification. The
Company also owns 100% of the rights to the Lac Guéret graphite
deposit, one of the richest in the world. The Company is managed by
an experienced team cumulating many decades of experience in
graphite, covering production, sales, as well as research and
development.
For more
information: www.masongraphite.com
Mason Graphite
inc. Ana Rodrigues at
info@masongraphite.com or 1 514 289-3580Head Office:
3030, boulevard Le Carrefour, suite 600, Laval, Quebec, Canada, H7T
2P5
Cautionary Statements
This press release contains "forward-looking
information" within the meaning of Canadian securities legislation.
All information contained herein that is not clearly historical in
nature may constitute forward-looking information. Generally, such
forward-looking information can be identified by the use of
forward-looking terminology such as "plans", "expects" or "does not
expect", "is expected", "budget", "scheduled", "estimates",
"forecasts", "intends", "anticipates" or "does not anticipate", or
"believes", or variations of such words and phrases or state that
certain actions, events or results "may", "could", "would", "might"
or "will be taken", "occur" or "be achieved". Forward-looking
information is subject to known and unknown risks, uncertainties
and other factors that may cause the actual results, level of
activity, performance or achievements of the Company to be
materially different from those expressed or implied by such
forward-looking information, including but not limited to: (i)
volatile stock price; (ii) the general global markets and economic
conditions; (iii) the possibility of write-downs and impairments;
(iv) the risk associated with exploration, development and
operations of mineral deposits; (v) the risk associated with
establishing title to mineral properties and assets; (vi) the risks
associated with entering into joint ventures; (vii) fluctuations in
commodity prices; (viii) the risks associated with uninsurable
risks arising during the course of exploration, development and
production; (ix) competition faced by the resulting issuer in
securing experienced personnel and financing; (x) access to
adequate infrastructure to support mining, processing, development
and exploration activities; (xi) the risks associated with changes
in the mining regulatory regime governing the resulting issuer;
(xii) the risks associated with the various environmental
regulations the resulting issuer is subject to; (xiii) risks
related to regulatory and permitting delays; (xiv) risks related to
potential conflicts of interest; (xv) the reliance on key
personnel; (xvi) liquidity risks; (xvii) the risk of potential
dilution through the issue of common shares; (xviii) the Company
does not anticipate declaring dividends in the near term; (xix) the
risk of litigation; and (xx) risk management.
Forward-looking information is based on
assumptions management believes to be reasonable at the time such
statements are made, including but not limited to, continued
exploration activities, no material adverse change in metal prices,
exploration and development plans proceeding in accordance with
plans and such plans achieving their stated expected outcomes,
receipt of required regulatory approvals, and such other
assumptions and factors as set out herein. Although the Company has
attempted to identify important factors that could cause actual
results to differ materially from those contained in the
forward-looking information, there may be other factors that cause
results not to be as anticipated, estimated or intended. There can
be no assurance that such forward-looking information will prove to
be accurate, as actual results and future events could differ
materially from those anticipated in such forward-looking
information. Such forward-looking information has been provided for
the purpose of assisting investors in understanding the Company's
business, operations and exploration plans and may not be
appropriate for other purposes. Accordingly, readers should not
place undue reliance on forward-looking information.
Forward-looking information is made as of the date of this press
release, and the Company does not undertake to update such
forward-looking information except in accordance with applicable
securities laws.
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.
A photo accompanying this announcement is available at
https://www.globenewswire.com/NewsRoom/AttachmentNg/6e46716c-524d-440e-8d64-45fce295fb80
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