Toyota jidosha kabushiki kaisha (20240213516). POWER STORAGE CELL MANUFACTURING METHOD AND POWER STORAGE CELL simplified abstract
Contents
POWER STORAGE CELL MANUFACTURING METHOD AND POWER STORAGE CELL
Organization Name
toyota jidosha kabushiki kaisha
Inventor(s)
Kenichi Kakishita of Nagoya-shi (JP)
POWER STORAGE CELL MANUFACTURING METHOD AND POWER STORAGE CELL - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240213516 titled 'POWER STORAGE CELL MANUFACTURING METHOD AND POWER STORAGE CELL
The method of manufacturing a power storage cell involves preparing an electrode sheet with a current collecting foil and an active material layer, cutting the foil to form connecting pieces, and winding the sheet around a core while bending the connecting pieces.
- Electrode sheet preparation with current collecting foil and active material layer
- Cutting the current collecting foil to create connecting pieces
- Winding the electrode sheet around a core while bending the connecting pieces
- Formation of wide and narrow portions in the connecting pieces during cutting
- Use of main region and end region in the current collecting foil
Potential Applications: - Energy storage systems - Electric vehicles - Portable electronic devices
Problems Solved: - Efficient manufacturing of power storage cells - Enhanced performance of energy storage systems
Benefits: - Improved energy storage capacity - Cost-effective manufacturing process - Enhanced durability of power storage cells
Commercial Applications: Title: Innovative Method for Power Storage Cell Manufacturing This technology can be utilized in the production of batteries for various industries such as automotive, consumer electronics, and renewable energy.
Questions about the technology: 1. How does the cutting of the current collecting foil impact the performance of the power storage cell? 2. What are the advantages of winding the electrode sheet around a core while bending the connecting pieces?
Original Abstract Submitted
a method of manufacturing a power storage cell includes: a preparing step of preparing an electrode sheet including a current collecting foil and an active material layer; a cutting step of forming a plurality of cuts in the current collecting foil to form a plurality of connecting pieces; and a winding step of winding the electrode sheet around a winding core while bending each of the connecting pieces. the current collecting foil prepared in the preparing step includes a main region and an end region, and the end region includes an edge portion. in the cutting step, a plurality of cuts are formed in the end region to form connecting pieces each having a wide portion and a narrow portion between a pair of cuts. in the winding step, the electrode sheet is wound around the winding core while bending each connecting piece at the narrow portion.
