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South Star Battery Metals Corp. (TSXV:STS) – Notable News

November 25, 2021

South Star Battery Metals Corp. (TSXV:STS, Not Rated, David A. Talbot) and its technological partner announced final cycle test results pertaining to its high-quality graphite produced from its flagship Santa Cruz project in Brazil. South Star reported life cycle test results for over 100 cycles in CR2016 LiB coin cells constructed from anode material (i.e. coated spherical purified graphite) produced from Santa Cruz. Overall cycle test results are in line with those previously reported (read more here and here); throughout the 100+ cycles (~2,000 hours of charging and discharging), South Star was able to demonstrate a stable, flat discharge pattern, with little degradation, maintaining reversible capacity of 342-345 mAh/g. This equates to a degradation of 2.2% throughout the 100+ cycles, which in our view, is a very positive result. If projected out, ~900 cycles could be achieved before reaching the 20% industry standard cut-off, which makes Santa Cruz’ graphite a strong competitor to synthetic graphite, demonstrating its capability of servicing a wide variety of applications, including the EV market. Upcoming work includes sample preparation of various downstream products to begin qualification along with processing flowsheet optimizations and performance validation. Further, South Star completed highly conductive dispersion testing for a variety of applications, including alkaline battery markets and dry film lubrication markets. Testing confirmed that purified flake graphite from the Santa Cruz project is significantly more conductive than industry-leading material currently in use, which is desirable for alkaline battery manufacturers who may seek to reduce their graphite use and increase energy density of their batteries. With the alkaline battery market producing >12B batteries annually and a global market value of >US$7.5B in 2020, this application could potentially develop into a key market for South Star. We expect these test results to help better define processes that will allow creation of spherical and purified graphite on a larger scale at Santa Cruz, which could then service the growing Li-ion battery sector and beyond. The project is fully permitted and construction-ready, with a simple proven flowsheet, and has near-surface oxide open pit potential. Most of its high-quality Phase I graphite has already been contracted (read more) ahead of initial production in Q4/22. Outside of Santa Cruz, South Star recently entered into a proposal to earn a 75% interest in the past-producing Ceylon graphite project in Alabama, where we await a finalized earn-in agreement (read more). Read more

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