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This collaboration aims to:
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- Leverage two complementary areas of expertise: Novacium’s high-capacity silicon-based anode materials and Tokai COBEX’s low-carbon synthetic graphite developed for batteries and produced in Europe.
- Evaluate the techno-economic viability of an integrated European solution for a complete, high-capacity, low-carbon anode material.
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MONTREAL and SOLAIZE, France, Sept. 10, 2026 (GLOBE NEWSWIRE) — HPQ Silicon Inc. (TSX-V: HPQ, OTCQB: HPQFF, FRA: O08) is pleased to inform its shareholders that its strategic partner, NOVACIUM SAS, a French deep-tech company specializing in materials for energy applications, has announced the launch of exploratory work with Tokai COBEX Savoie, the French entity of Tokai COBEX, itself a subsidiary of the Japanese Tokai Carbon Group and a recognized player in carbon and graphite products. The research and development teams of both companies will evaluate the compatibility and performance of their respective materials to develop an integrated anode material solution designed and potentially produced in France.
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Novacium brings its expertise in silicon-based anode materials developed to increase the energy capacity of lithium-ion cells [1]. Tokai COBEX brings battery-grade synthetic graphite with a stated purity of 99.99%, produced in France using a very low-carbon process [2]. The combination could bring together, within a single composite anode material, the high specific capacity of silicon with the stability and conductivity of graphite.
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Graphite powder and Novacium cylindrical cells
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An Ambition for Industrial Sovereignty
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Graphite remains the dominant material used in lithium-ion anodes, but its theoretical specific capacity of approximately 372 mAh/g limits achievable energy gains. Silicon changes the scale: its theoretical capacity reaches approximately 4,200 mAh/g, more than ten times that of graphite, making it a major lever for significantly increasing cell energy density.
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Silicon, however, presents a significant challenge: its volume can increase by more than 300% during lithiation. Controlling this expansion requires advanced material engineering. The published and validated performance of Novacium’s GEN3 and GEN4 anode materials shows that the company has developed a commercially relevant solution to address this challenge.
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The joint evaluation therefore aims to determine whether the two technology components can form a complete, high-performance, durable and low-carbon anode solution capable of helping reduce Europe’s dependence on external materials and supply chains.
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The proximity of the teams, with Novacium in Solaize and Tokai COBEX’s R&D centre in Vénissieux, should facilitate exchanges, shorten testing cycles and accelerate technical iterations. If the results are conclusive, this work could represent a step toward a more integrated, resilient and sovereign French supply chain for high-capacity lithium-ion battery anode materials.
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A Structured Exploratory Initiative
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At this stage, the collaboration relates exclusively to exploratory technical work and is not subject to any contract or binding commitment between the parties. No assurance can be given regarding the conclusion of any subsequent agreement, the industrialization of the solution or its commercialization.
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“The objective is to verify that our silicon-based anode material can be effectively combined with French battery-grade synthetic graphite. Bringing these two complementary building blocks together in France would pave the way for a sovereign anode solution that is higher-performing, lower-carbon and more effectively controlled from an industrial standpoint.”