Phillips 66 had one patents in batteries during Q1 2024. The patent filed by Phillips 66 in Q1 2024 describes a method for making an anode material by mixing pre-passivated anode graphite with a supplement and a solvent, then evaporating the solvent to create passivated anode graphite particles. GlobalData’s report on Phillips 66 gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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Phillips 66 had no grants in batteries as a theme in Q1 2024.

Recent Patents

Application: Novel graphite passivation method (Patent ID: US20240079590A1)

The patent filed by Phillips 66 describes a method for making an anode material for lithium-ion batteries. The process involves mixing pre-passivated anode graphite with a supplement and a solvent to create a mixture, then evaporating the solvent to produce a passivated anode graphite particle. The supplement can be a solid or liquid substance, excluding fluorocarbons, with specific characteristics such as molecular weight and composition. The resulting passivated anode graphite particle is milled to achieve a specific particle size distribution, ensuring high first cycle efficiency in certain electrolytes.

Additionally, the method includes heating the mixture to a temperature below 150°C during the evaporation process and coating the passivated anode graphite with the supplement. The supplement's particle size distribution after milling is crucial for optimal performance, with the first cycle efficiency of the passivated anode graphite particle exceeding 75% in specific electrolytes. The supplement content in the pre-passivated anode graphite is limited to less than 5 wt%, and the solvent deposition on the graphite is achieved through precipitation by an anti-solvent. Overall, the method outlined in the patent aims to enhance the performance and efficiency of anode materials for lithium-ion batteries through a carefully controlled manufacturing process.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.