Apple had 31 patents in batteries during Q2 2024. Apple Inc has filed patents for improved liquid electrolytes for electrochemical cells with silicon-based anodes, electrolytes for lithium-containing battery cells with enhanced performance, and energy storage devices with selective ionic transport properties. These innovations aim to increase cycle life, capacity retention, and overall efficiency of battery technology. GlobalData’s report on Apple gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Apple had no grants in batteries as a theme in Q2 2024.
Recent Patents
Application: Liquid electrolyte for an electrochemical cell with a silicon-based anode (Patent ID: US20240178449A1)
The patent filed by Apple Inc. pertains to liquid electrolytes for electrochemical cells with silicon-based anodes. The composition includes an aprotic solvent, an ionic liquid, a lithium salt, and 8 mol % to 30 mol % hydrofluoroether, with specific molar ratios outlined for optimal performance. The electrolytes are designed to improve cycle life by at least 50% over conventional electrolytes, enhance capacity retention, and delay increases in internal resistance.
The claims detail the specific compositions and ratios of the electrolyte components, such as the aprotic solvent being DMC, the ionic liquid being PYR13FSI, the lithium salt being LiFSI, and the hydrofluoroether being BTFE. The electrolyte compositions are tailored to achieve improved performance in electrochemical cells with silicon-based anodes, ultimately leading to enhanced cycle life, capacity retention, and internal resistance management. The patent also extends to the use of these liquid electrolytes in batteries, specifically in combination with cathodes containing lithium transition metal oxides and anodes comprising silicon.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
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.
