Apple had 46 patents in batteries during Q1 2024. Apple Inc filed patents for battery packs with improved thermal management, pre-lithiated anode active materials for lithium-ion cells, and battery packs with enhanced durability through the use of spacer plates and adhesive layers. The designs also include features such as notches and protrusions for secure cell positioning within the enclosure. GlobalData’s report on Apple gives a 360-degree view of the company including its patenting strategy. Buy the report here.

Apple grant share with batteries as a theme is 43% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.

Recent Patents

Application: Cell busbar fuse with direct cooling (Patent ID: US20240106023A1)

The patent filed by Apple Inc. describes a battery pack design that includes an enclosure with two panels and multiple battery cell stacks positioned between them. A busbar fuse is electrically connected between the battery cell stacks and includes a thermal contact that is connected to one of the panels. A thermal interface material is used between the thermal contact and the panel, which also acts as a heat exchanger. The busbar fuse is enclosed in a shell with a potting compound or phase change material around it.

The claims of the patent detail the specific components and methods used in the construction of the battery pack, such as the metallic extension of the busbar fuse acting as a foot thermally coupled to the panel, the use of a thermal interface material, and the inclusion of a shell enclosing the busbar fuse with a thermally conductive material and phase changing material. The method for constructing the battery pack involves forming the enclosure, positioning the battery cells, and connecting the busbar fuse while ensuring thermal coupling with the panel. This innovative design aims to improve the efficiency and thermal management of battery packs, potentially enhancing the overall performance and safety of electronic devices powered by these batteries.

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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.