18611976. SEALED BATTERY AND ASSEMBLED BATTERY simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)
Contents
SEALED BATTERY AND ASSEMBLED BATTERY
Organization Name
TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor(s)
Tsuyoshi Ehara of Toyota-shi (JP)
Yoshinori Shibata of Nagoya-shi (JP)
SEALED BATTERY AND ASSEMBLED BATTERY - A simplified explanation of the abstract
This abstract first appeared for US patent application 18611976 titled 'SEALED BATTERY AND ASSEMBLED BATTERY
The present disclosure introduces a technique to enhance the strength and reduce electrical resistance in a connecting portion that facilitates heterometal interjunction in a sealed battery.
- The sealed battery includes an electrode body, battery case, positive and negative electrode internal terminals, and positive and negative electrode external terminals.
- In the connecting portion between the negative electrode internal terminal and external terminal, a plated layer is stacked between them to improve strength and reduce resistance.
- A rough surface with recessed portions is formed on the negative electrode external terminal, allowing the plated layer to penetrate into these recessed areas for a stronger connection.
- This innovative joining technique results in a connecting portion with high strength and low resistance, improving the overall performance of the sealed battery.
Potential Applications: - Sealed batteries in various electronic devices - Electric vehicles - Energy storage systems
Problems Solved: - Enhanced strength and reduced electrical resistance in connecting portions of sealed batteries - Improved performance and reliability of battery systems
Benefits: - Increased durability and longevity of sealed batteries - Enhanced efficiency and performance in electronic devices and vehicles
Commercial Applications: Title: Advanced Joining Technique for Sealed Batteries This technology can be utilized in the production of sealed batteries for a wide range of commercial applications, including consumer electronics, electric vehicles, and renewable energy storage systems. The improved strength and reduced resistance in the connecting portions lead to more reliable and efficient battery performance, making it a valuable innovation in the battery industry.
Questions about the technology: 1. How does the innovative joining technique improve the performance of sealed batteries? 2. What are the potential long-term benefits of implementing this technology in battery systems?
Original Abstract Submitted
The present disclosure provides a joining technique capable of improving strength and reducing electrical resistance of a connecting portion that performs heterometal interjunction in a sealed battery. A mode of the sealed battery disclosed herein includes an electrode body, a battery case, a positive electrode internal terminal, a positive electrode external terminal, a negative electrode internal terminal, and a negative electrode external terminal. In the sealed battery, in a connecting portion between the negative electrode internal terminal and the negative electrode external terminal, an upper end of the negative electrode internal terminal and the negative electrode external terminal are stacked with a plated layer interposed therebetween and, at the same time, the negative electrode internal terminal and the negative electrode external terminal are joined to each other via the plated layer. In addition, a rough surface having a plurality of recessed portions is formed on the upper surface of the negative electrode external terminal having been stacked with the plated layer interposed therebetween, and a part of the plated layer penetrates into the recessed portions. Accordingly, a connecting portion having high strength and low resistance can be formed between the negative electrode internal terminal and the negative electrode external terminal.
