Ceylon Graphite Succeeds in Producing High-Performance Coated Spherical Vein Graphite for Lithium-ion Battery Anode Materials
September 27 2021 - 4:15PM
Ceylon Graphite Corp. (“Ceylon Graphite”) (TSX-V:
CYL) (OTC: CYLYF) (FSE: CCY) is pleased to announce that it has
achieved a significant breakthrough in the performance of its vein
graphite anode material (C 99.995%) in coin cells for the
lithium-ion (“Li-ion”) battery market. In tests at a leading
global, independent facility, WMG, part of the University of
Warwick’s Energy Innovation Centre, Ceylon’s vein graphite anode
material far exceeded comparable anodes made
with standard
synthetic commercial graphite. This is the first time in battery
research history that commercial spherodized vein graphite
materials were tested in a lithium ion battery in a coin
cell.
Results came in a 382 mAh/g for reversible capacity (RC), which
is beyond what is expected for the best current commercially used
synthetic graphite with an RC of 363 mAh/g. Data was collected from
5 separate coin cells for Ceylon graphite and for commercial
synthetic supplier materials. The galvanostatic charts below
illustrate these results:
A Media Snippet accompanying this announcement is available by
clicking on the image or link below:
The C/5 stable cycling gave an average reversible capacity of
353 mAh/g with standard deviation 9 mAh/g over 25
cycles compared to the Synthetic supplier 307 mAh/g. The
batteries are tested at a rate of C/5, meaning 5 hours to charge
and 5 hours to discharge, hence completing about 2+ full cycles per
day
The outstanding performance by Ceylon’s vein graphite
material against the current commercially used synthetic graphite
is due to the high crystallinity of Sri Lankan vein graphite. The
initial results prove the suitability of our material for lithium
ion battery anodes for either stand alone or possible blending with
synthetic graphite..
Ceylon CEO, Don Baxter stated, “ I expected very good results
from our initial battery tests, but was excited to see my
expectations being far exceeded by our vein graphite. These results
are a highly significant development for Ceylon. The unique
characteristics of our Sri Lankan vein graphite combined with our
proprietary processing technologies produces a Li-ion battery with
significantly higher power and energy as tested by WMG. The Company
considers that based on the results,Ceylon’s graphite will set a
new industry standard. In addition, we believe that the energy
consumption of the end to end process of producing battery grade
anode material from vein graphite is the lowest, relative to
synthetic and flake graphite, because of the fact that vein
graphite from Sri Lanka does not require primary processing, due to
the high in situ grade above 90%Cg.”
The test results and Ceylon’s unique position in the market
create optionality for scale-up development, commercial
partnerships and sales of advanced materials. Ceylon’s significant
resource positions and our energy products division (Ceylon
Graphite Technologies(UK)) will allow The Company to evolve into a
stand-alone battery technology company, with exclusive access to a
lower cost and, unique, high performance battery grade graphite,
sourced from our wholly owned deposits in Sri Lanka.
QUALIFIED PERSON
Donald K. D. Baxter, P.Eng.,CEO of Ceylon Graphite Corp., is a
Qualified Person as defined by National Instrument 43-101 ("N.I.
43-101") guidelines, and has reviewed and approved the content of
this news release.
About Ceylon Graphite Corp.
Ceylon Graphite is a public company listed on the TSX Venture
Exchange, that is in the business of mining for graphite, and
developing and commercializing innovative graphene and graphite
applications and products. Graphite mined in Sri Lanka is known to
be some of the highest grade in the world and has been confirmed to
be suitable to be easily upgradable for a range of applications
including the high-growth electric vehicle and battery storage
markets as well as construction, healthcare and paints and coatings
sectors. The Government of Sri Lanka has granted the Company’s
wholly owned subsidiary Sarcon Development (Pvt) Ltd. an IML
Category A license for its K1 mine and exploration rights in a land
package of over 120km². These exploration grids (each one square
kilometer in area) cover areas of historic graphite production from
the early twentieth century and represent a majority of the known
graphite occurrences in Sri Lanka.
Further information regarding the Company is available at
www.ceylongraphite.com
Don Baxter, Chief Executive Officer
info@ceylongraphite.com
Corporate Communications
+1(604) 765 8657
Neither TSX Venture Exchange nor its Regulation Services
Provider (as that term is defined in policies of the TSX Venture
Exchange) accepts responsibility for the adequacy or accuracy of
this release
FORWARD LOOKING STATEMENTS:
This news release contains forward-looking information as such
term is defined in applicable securities laws, which relate to
future events or future performance and reflect management's
current expectations and assumptions. The forward-looking
information includes statements about Ceylon Graphite’s grids,
Ceylon Graphite’s plans to undertake additional drilling and to
develop a mine plan, and to commence establishing mining
operations. Such forward-looking statements reflect management's
current beliefs and are based on assumptions made by and
information currently available to Ceylon Graphite, including the
assumption that, there will be no material adverse change in metal
prices, all necessary consents, licenses, permits and approvals
will be obtained, including various Local Government Licenses and
the market. Investors are cautioned that these forward-looking
statements are neither promises nor guarantees and are subject to
risks and uncertainties that may cause future results to differ
materially from those expected. Risk factors that could cause
actual results to differ materially from the results expressed or
implied by the forward-looking information include, among other
things, an inability to reach a final acquisition agreement,
inaccurate results from the drilling exercises, a failure to obtain
or delays in obtaining the required regulatory licenses, permits,
approvals and consents, an inability to access financing as needed,
a general economic downturn, a volatile stock price, labour
strikes, political unrest, changes in the mining regulatory regime
governing Ceylon Graphite, a failure to comply with environmental
regulations and a weakening of market and industry reliance on high
quality graphite. Ceylon Graphite cautions the reader that the
above list of risk factors is not exhaustive.
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