Toyota jidosha kabushiki kaisha (20240189948). ELECTRODE SHEET MANUFACTURING APPARATUS AND POWER STORAGE DEVICE MANUFACTURING METHOD simplified abstract

ELECTRODE SHEET MANUFACTURING APPARATUS AND POWER STORAGE DEVICE MANUFACTURING METHOD

Organization Name

toyota jidosha kabushiki kaisha

Inventor(s)

Takahiro Sakurai of Nissin-shi (JP)

ELECTRODE SHEET MANUFACTURING APPARATUS AND POWER STORAGE DEVICE MANUFACTURING METHOD - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240189948 titled 'ELECTRODE SHEET MANUFACTURING APPARATUS AND POWER STORAGE DEVICE MANUFACTURING METHOD

Simplified Explanation: The patent application describes a method for manufacturing an electrode sheet by irradiating a separator and an electrode composite material layer with laser beams of specific wavelengths.

• Key Features and Innovation:

   * Preparation of a sheet stack with an electrode composite material layer and a separator.
   * Irradiation of the separator with a first laser beam absorbed by the separator.
   * Movement of the first laser beam relative to the sheet stack.
   * Subsequent irradiation of the sheet stack with a second laser beam absorbed by the electrode composite material layer.
   * Movement of the second laser beam following the track of the first laser beam.

• Potential Applications:

   * Battery manufacturing
   * Energy storage systems
   * Electronics industry

• Problems Solved:

   * Efficient manufacturing of electrode sheets
   * Precise irradiation of separator and electrode composite material layer

• Benefits:

   * Improved electrode sheet quality
   * Enhanced performance of batteries and energy storage devices

• Commercial Applications:

   * "Innovative Electrode Sheet Manufacturing Method for Battery Production"

• Prior Art:

   * Prior research on laser irradiation in battery manufacturing processes

• Frequently Updated Research:

   * Ongoing advancements in laser technology for electrode sheet manufacturing

Questions about Electrode Sheet Manufacturing Method: 1. How does the use of laser beams improve the manufacturing process of electrode sheets? 2. What are the specific advantages of irradiating the separator and electrode composite material layer with different laser beams?

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Original Abstract Submitted

provided is an electrode sheet manufacturing method including preparing a sheet stack including an electrode composite material layer and a separator provided on the electrode composite material layer, irradiating the separator of the sheet stack with a first laser beam having a wavelength to be absorbed by the separator, and moving an irradiation position of the first laser beam relative to the sheet stack. the method further includes irradiating the sheet stack having been irradiated with the first laser beam with a second laser beam having a wavelength to be absorbed by the electrode composite material layer, and moving an irradiation position of the second laser beam relative to the sheet stack, wherein the irradiation position of the second laser beam moves so as to follow a track of the irradiation position of the first laser beam.