Ceylon Graphite’s Anode Graphite in Full Cell Lithium Ion Batteries Outperforms Leading Commercial Synthetic Graphite
November 23 2021 - 7:15AM
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 in full cells for the lithium-ion
(“Li-ion”) battery market. In tests at a leading global,
independent facility, University College London (UCL), Ceylon’s
vein graphite anode material far exceeded comparable anodes made
with industry standard commercial synthetic 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 full cell.
Results came in at 161 and 165 mAh/g for specific discharge
capacity (SDC) for our vein graphite materials, which is beyond
what is expected for the best current commercially used synthetic
graphite with a specific capacity of 153 mAh/g (summarized in Chart
Below).
A Media Snippet accompanying this announcement is available by
clicking on the image or link below:
Extended cycling exhibited reversible charge/discharge behaviour
with less than 10% overall capacity loss over 50 cycles. The C/5
stable cycling (25 to 50) gives an average reversible capacity of
155mAh/g for the best performing vein graphite material, compared
to 139mAh/g for standard synthetic graphite. The batteries were
tested in a full cell system at a rate of C/5, meaning 5 hours to
charge and 5 hours to discharge, hence completing about 2+ full
cycles per day, from 25 to 50 cycles. The Chart below illustrates
the cycling of Ceylon’s anode material versus the standard
synthetic:
A Media Snippet accompanying this announcement is available by
clicking on the image or link below:
The outstanding performance of Ceylon’s vein graphite
material against the current commercially used synthetic graphite
is due to the high crystallinity of Sri Lankan vein graphite and
the near- perfect morphology of the coated spherodized anode
material (shown in the SEM image) produced by proprietary
processing and spherodizing technology of Ceylon Graphite
Technologies. The initial results prove the suitability of our
material for lithium ion battery anodes for either stand alone or
possible blending with synthetic graphite.
A Media Snippet accompanying this announcement is available by
clicking on the image or link below:
Dr Dan Brett, Professor of Electrochemical Engineering At UCL
stated: “These are very promising results and I’m excited at the
prospect of Sri Lanka using this wonderful natural resource to play
a major role in realising the ‘age of electrochemical power’ and
achieving Net Zero.” Dr. Brett is Professor of Electrochemical
Engineering at UCL, where he is a director of the Electrochemical
Innovation Lab (EIL) and Advanced Propulsion Lab (APL). He is an
academic founder of the Faraday Institution and member of the
Expert Panel.
Ceylon CEO, Don Baxter stated, “ We had very good results from
our initial coin cell battery tests, but was excited to see my
expectations for full cell batteries 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 UCL. 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 ongoing testing and optimization of Ceylon’s battery
materials 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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