Company patents
HYDRO-QUÉBEC
HYDRO-QUÉBEC's patent strategy is heavily concentrated in "Batteries & Fuel Cells," which accounts for 74.1% of its portfolio, showing a significant 75.0% YoY growth in 2024 before a decline in 2025 and so far in 2026. Surprisingly, despite its core focus, there's a notable presence in "Heterocyclic Compounds (Pharma)" with 8.6% of its portfolio, which saw a rapid 200.0% YoY growth in 2024, suggesting a potential diversification into pharmaceutical-related materials or energy applications within that domain.
Patent Trend by Technology Area
Yearly patent publications since 2023
Product themes
Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.
81 US filings (since 2023) · 12 categories · 15 themes
Methods for synthesizing high-purity lithium compounds, such as lithium carbonate, lithium sulfide, or composite salts, specifically optimized for use in battery electrodes or electrolytes.
Slurry compositions and coating processes for battery electrodes, including binder/active-material slurries, surface coating layers, and electrode-to-foil adhesion for cathode and anode.
Process and equipment for producing solid-state battery cells, including solid electrolyte synthesis (sulfide/oxide/polymer), thin-film deposition, lamination, sintering, dry-electrode fabrication, and stacking under controlled atmosphere.
Active anode materials and manufacturing techniques for rechargeable lithium-ion batteries, including silicon-carbon composites, graphite, lithium-metal anodes, and electrode coating processes that improve capacity, cycle life, and rate capability.
Explores the composition and integration of solid or gel-based electrolyte materials within various capacitor types, such as solid electrolytic capacitors and supercapacitors, to enhance performance, stability, and safety.
Processes and apparatus for disassembling spent batteries and recovering valuable materials (e.g., metals, electrolytes, plastics) through mechanical, chemical, or electrochemical methods for reuse or sustainable disposal.
Catalytic processes and novel catalyst materials designed to efficiently produce hydrogen gas from various feedstocks, including hydrocarbons (e.g., methane, natural gas) and ammonia.
Systems and methods for producing fuels, such as Sustainable Aviation Fuel (SAF), or hydrogen with a reduced carbon intensity, often leveraging alternative feedstocks, Fischer-Tropsch synthesis, or integrated energy recovery.
Software, algorithms, and associated hardware for monitoring, controlling, and optimizing battery performance, safety, and lifespan, including charge/discharge cycles, thermal regulation, and system integration.
Involves the development of novel materials and porous structures for the electrodes of supercapacitors and other electrochemical energy storage devices, aiming for high charge density, improved performance, and flexibility.
Technologies and materials for capturing carbon dioxide from gas streams and subsequently converting it into valuable chemical products or materials, rather than simply storing it.
Integration of power converters with energy storage devices (batteries, supercapacitors) or grid interfaces, often involving AC/DC conversion, power flow management, and fault handling for hybrid power systems or specific applications like EVs or PV.
Focuses on the structural integrity, housing, mounting, and physical integration of battery cells into robust and protected packs within electric vehicles, including manufacturing considerations.
Systems designed to manage the temperature of multiple components in electric or hybrid vehicles, such as batteries, electric motors, power electronics, and the passenger cabin, often using shared or interconnected cooling/heating circuits.
Design and control of power supply architectures that combine multiple power sources (e.g., AC grid, DC battery, generators) or modular battery units, often featuring switching, conversion, and redundancy for enhanced reliability and flexibility.
Patents
Showing 1-10 of 132