Developing Processes For The Low-Cost Manufacturing Of High Purity Silicon Metals For Next-Generation Lithium-ion Batteries

Achieved final critical milestones, completing a successful silicon pour

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Message: HPQ Mentioned in Resource World's Green Technologies Column

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EXPLORING FOR SILICON RESOURCES


HPQ Silicon Resources Inc. [HPQ-TSX] is implementing a business plan to revolutionize solar grade silicon metal (SoG Si) metallurgical production. The company aims to become a producer and manufacturer of multi and monocrystalline solar cells of the P and N types, required for production of high performance photovoltaic conversion. HPQ uses its PUREVAP™ Quartz Reduction Reactor (QRR), developed by its partner, PyroGenesis Canada Inc. [PYR-TSXV], a leader in the design, development, manufacturing, and commercialization of advanced plasma processes. HPQ owns the PUREVAP™ intellectual property (patent pending) through a binding agreement with Pyrogenesis, and HPQ provides the strategic direction, marketing, and funding for the project. The PUREVAP™ QRR is a second generation carbothermic process for reducing quartz (SiO2) in one step into high-purity silicon metal (Si) and solar grade silicon metal (SoG Si) for use in solar panels. Until now, a traditional three-step process transforms quartz in SoG Si and is the biggest contributing source of CO2 emissions and chemical pollution related to producing the solar cells needed to convert the sun’s energy into electricity. HPQ’s new one-step process promises to drive down the cost of solar cells and greatly improve the carbon and environmental  footprint of SoG Si production. According to HPQ, their unique one-step process eliminates aggressive chemical use and dangerous by-product production during the refining phase and reduces the energy carbon footprint for producing SoG Si by a least 75%. This number is justified because the process eliminates emissions by not using chemicals, and deletes the additional purification step, eliminating energy consumption for that step. According to the company, the PUREVAP™ process promises to reduce capital expenditure costs for new SoG Si capacity by as much as 95% and the operating expenses for making SoG Si by as much as 80%. HPQ also owns 11 high-purity silica projects in Québec, two of which have substantial historical resources – Roncevaux (414,700 tons) and Martinville (1,092,000 tons). The company plans to spin out its Beauce gold project to a subsidiary, Beauce Gold Fields Inc.

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