Northern Graphite Concentrates demonstrated excellent performance in battery tests

2021-11-22 08:09:15 By : Ms. shirley yuan

Ottawa, Ontario--(Newsfile Corp.-November 11, 2021)-Northern Graphite Corporation (TSXV: NGC) (OTCQB: NGPHF) ("Company" or "Northern") is pleased to announce that the battery anode material ("BAM ") In a recent battery test conducted by German ProGraphite, products made from its Bissett Creek concentrate showed excellent electrochemical performance. Tests have shown that Northern anode materials can be charged to high values, remain stable under various discharge conditions, and have high coulombic efficiency. ProGraphite concluded that Northern's anode materials are very suitable for manufacturing high-capacity, durable, and long-life lithium-ion batteries.

ProGraphite is one of the world's leading graphite research and development laboratories, with decades of expertise and experience. The test results show that Bissett Creek BAM can be charged to a lithiation value above 362 mAh/g, which indicates that the battery capacity will be excellent. Delithiation (discharge) performance is also very good, because the battery can provide a stable high value and very high coulombic efficiency under various test conditions. Northern's BAM has also proven to be very powerful. Even after multiple charging/discharging at 10C (that is, charging completed in only 6 minutes) and multiple cycles, the Coulombic efficiency remains at a very high constant level, indicating that the anode material has almost no degradation. This performance is better than many commercial natural or synthetic grades.

Northern CEO Greg Bowes commented: "Graphite is usually evaluated based on flake size and purity, but when manufacturing batteries, many other factors are critical and not all concentrates are suitable. High bulk density means higher capacity batteries , And easy to use purification and high yield can reduce costs. ProGraphite's testing provides independent third-party verification, proving that Bissett Creek concentrate is of the highest quality."

Electrochemical testing is the third stage of evaluating the use of Northern concentrates in BAM manufacturing, which was carried out after very successful spheronization and purification tests. ProGraphite proved that the material from the Bissett Creek deposit is very suitable for the spheronization process because of its high tap density (0.99 kg/l), relatively steep particle size distribution, and a yield rate of over 50%. All of these are very desirable qualities (see press release on May 25, 2021). Bissett Creek concentrate can also be easily purified to battery standards using acid or alkali processes. Generally, the minimum required carbon content is 99.95%, which means that up to 500 ppm of impurities are allowed. The key impurities are usually Fe (<30 ppm) and Si (<30 ppm), usually Al (<ppm), Ca (<3 ppm), Ni (<5 ppm), Cr (<5ppm) and Cu (<5 ppm). The results of the acid purification test are excellent, comparable to the performance of thermal purification, as a purity of 99.99% is achieved and the impurity level is well below the typical limits required for BAM (see press release on August 16, 2021).

Northern Graphite is a mineral development and technology company focused on developing its Bissett Creek graphite deposit and upgrading mine concentrates into high-value components for lithium-ion batteries, electric vehicles, fuel cells, graphene and other advanced technologies. An independent study estimated that, due to its very advantageous location, simple metallurgy and high-quality concentrates, Bissett Creek will have the highest profit margin in any existing or proposed graphite deposit, which the company believes will be a greener The product aspect provides a competitive advantage economy.

Bissett Creek is an advanced project with a comprehensive feasibility study and a major mining license, which allows the company to make construction decisions with financing. The project is located between North Bay and Ottawa in southern Canada, close to the Trans-Canada highway, and provides convenient access to labor, supply, equipment, natural gas and markets.

Gregory Bowes, Bachelor of Science MBA, P. Geo. is a qualified person as defined by National Instrument 43-101, who has reviewed and is responsible for the technical information in this press release.

Please visit the company's website http://www.northerngraphite.com/investors/presentation/, the company's profile on www.sedar.com, contact CEO Gregory Bowes (613) 241-9959 or visit our social channels.

This press release contains certain "forward-looking statements" within the meaning of applicable Canadian securities laws. Forward-looking statements and information usually feature certain events or words such as "plan", "anticipate", "project", "intend", "believe", "anticipate", "estimate", "potential", and "may" Similar words or statements where the conditions "may", "will", "may" or "should" occur. The forward-looking statements in this press release include statements regarding the following; economic and technical research, graphite prices, project economics, licensing, development timelines, and the graphite market. All such forward-looking statements are based on management's assumptions and analysis based on their experience and views on historical trends, current conditions and expected future development, as well as other factors that they believe are appropriate in this situation. However, these statements are subject to various risks and uncertainties and other factors that may cause actual events or results to differ materially from expectations, including but not limited to unexpected changes in laws, rules, or regulations, or their applicable enforcement authorities ; Other parties’ failure to perform as agreed; social or labor disturbances; changes in commodity prices; Operations. Readers are cautioned not to rely too much on forward-looking information or statements.

Although the forward-looking statements contained in this press release are based on reasonable assumptions deemed reasonable by management, the company cannot assure investors that actual results will be consistent with them. These forward-looking statements were made on the date of this press release and fully comply with the requirements of this warning statement. In accordance with applicable securities laws, the company assumes no obligation to update or revise the forward-looking statements contained herein to reflect events or circumstances that occur after the date of this press release.

Neither TSX Venture Exchange nor its regulatory service provider (as the term is defined in the policies of TSX Venture Exchange) is responsible for the adequacy or accuracy of this press release.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/103007

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