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Novacium’s Silicon-Anode Batteries Achieve 900+ Cycle Efficiency, Outperforming Leading 18650 Cells

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HPQ Silicon Inc.
HPQ Silicon Inc.

MONTREAL, Feb. 05, 2025 (GLOBE NEWSWIRE) -- HPQ Silicon Inc. (“HPQ” or the “Company”) (TSX-V: HPQ, OTCQB: HPQFF, FRA: O08), a technology company specializing in green engineering of silica- and silicon-based materials is pleased to update shareholders on the latest exceptional battery results from its France-based partner, NOVACIUM SAS (Novacium).

The following summarizes our test results at 900 cycles on 18650 batteries:

  • GEN3 silicon-anode material batteries demonstrate exceptional capacity and durability [1],

  • They Outperform leading commercial 18650 battery cells [2,3,4,5,6),

  • They achieve exceptionally high average Coulombic Efficiency of 99.88% [7],

  • They deliver an outstanding 31% cumulative energy gain [8], over graphite benchmark batteries.

Test Results at 900 Cycles Validate Unique Capabilities of GEN3 Silicon Anode performance

At 900 cycles, 18650 batteries made with Novacium’s GEN3 silicon-based anode materials are still delivering more than 3,100 milliampere-hours (mAh) of capacity retaining more than 80% of their initial capacity. Furthermore, the graphite benchmark batteries, made with high-grade artificial graphite, delivered about 2,400 Ampere-Hours (Ah) cumulative energy, while the Novacium GEN3 batteries delivered a cumulative energy return of about 3,200 Ah—representing a more then 30% cumulative energy gain [8].

“These results at 900 cycles confirm that Novacium has successfully developed a unique capability to produce advanced silicon-based materials. When blended with high-grade artificial graphite, these materials integrate seamlessly into commercial batteries (18650, 21700, 26650, and 4680), delivering world-class capacity and durability [1]," said Dr. Jed Kraiem, COO of Novacium. "Our analysis of the results concludes that targeted process refinements could unlock even greater performance gains and further minimize long-term degradation, while maintaining compatibility with existing manufacturing processes, paving the way for next-generation lithium-ion batteries."

Graphic representation of the Superior Performance of GEN3 Silicon-Anode Material

English Graph 900 cycles
English Graph 900 cycles


Graph 1A presents the absolute capacity (in mAh) of the 100% graphite reference (the blue line)
and GEN3 batteries (the yellow line), over 900 cycles [1]. Additionally, Graph 1B highlights the relative capacity variation for the same batteries used in Graph 1A.

Graph 1A illustrates the average capacity (in mAh) of two 18650 batteries [7] made utilizing Novacium's GEN3 silicon-based material (yellow line) compared to the average capacity of the 100% high-grade artificial graphite benchmark batteries (blue line). At 900 cycles, the two GEN3 batteries demonstrate an average capacity of about 3,200 mAh, which exceeds the graphite benchmark's 2,604 mAh by 21%.