Joby Aviation has filed a patent for a battery interconnection system with a temperature control mechanism. The system includes two battery cells, each with positive and negative tabs. The positive tabs of both cells are connected, as are the negative tabs. This design allows for efficient interconnection of battery cells in electric vehicles. GlobalData’s report on Joby Aviation gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Joby Aviation, photovoltaic drones was a key innovation area identified from patents. Joby Aviation's grant share as of September 2023 was 41%. Grant share is based on the ratio of number of grants to total number of patents.

Battery interconnection system for connecting positive and negative tabs

Source: United States Patent and Trademark Office (USPTO). Credit: Joby Aviation Inc

A recently filed patent (Publication Number: US20230299380A1) describes a battery interconnection system. The system includes a first battery cell and a second battery cell, each having electrically positive and negative tabs. The positive tab of the first battery cell is connected to the positive tab of the second battery cell, and the negative tab of the first battery cell is connected to the negative tab of the second battery cell.

In addition, the first battery cell and the second battery cell each have a cathode and an anode. The cathode of the first battery cell is connected to the positive tab of the first battery cell, and the cathode of the second battery cell is connected to the positive tab of the second battery cell. Similarly, the anode of the first battery cell is connected to the negative tab of the first battery cell, and the anode of the second battery cell is connected to the negative tab of the second battery cell.

The cathodes and anodes of both the first and second battery cells are formed using a punch through process. This process helps in the efficient formation of the cathodes and anodes.

The first and second battery cells can be disposed within a single pouch laminate, which includes a sealant layer on the inside surface. The temperature control mechanism used in the system has a co-polymer propylene and polyethylene (CPP) layer on its sides. The CPP layer of the pouch laminate is fused with the CPP layer of the temperature control mechanism, creating a hermetic seal.

Alternatively, the first battery cell can be placed in a first pouch laminate, and the second battery cell can be placed in a second pouch laminate. Both pouch laminates have a CPP layer on their inside surface, and the CPP layer of the pouch laminates is fused with the CPP layer of the temperature control mechanism, forming hermetic seals.

The first and second battery cells can be connected in parallel, allowing for increased power output.

Overall, this battery interconnection system provides a reliable and efficient way to connect and interconnect battery cells, ensuring proper electrical connections and temperature control.

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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.