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Electrode plate manufacturing device

A technology for manufacturing devices and electrode plates, applied in electrode manufacturing, electrode rolling/calendering, battery electrodes, etc., can solve the problems of unsatisfactory manufacturing yield and detachment, achieve the effect of preventing detachment and improving manufacturing yield

Active Publication Date: 2012-02-29
DELTA ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, even if the technology of Patent Document 1 is used, the electrode active material may be peeled off from the current collector at the periphery of the electrode plate.
Therefore, there is a problem that the manufacturing yield is not satisfactory

Method used

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  • Electrode plate manufacturing device
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  • Electrode plate manufacturing device

Examples

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Embodiment Construction

[0074] Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings for explanation, the dimensions and scales of the structures in the drawings may be different from the actual structures in order to facilitate understanding of characteristic parts. All the elements described in the embodiments are not necessarily limited to the present invention. Components that are the same as those in the embodiments are shown with the same symbols attached thereto, and detailed descriptions thereof may be omitted. Before describing the electrode plate manufacturing apparatus of the present invention, first, an example of a configuration of a battery and an example of a method of manufacturing the battery will be described.

[0075] figure 1 It is an exploded perspective view showing a configuration example of a battery, figure 2 (a) is a plan view showing an example of an electrode plate, figure 2 (b) is figure 2 (a) A-A' line...

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Abstract

The disclosed electrode plate manufacturing device has: a negative plate support that can support the negative plate of an electrode plate; a first punch; a frame-shaped Thomson blade; a support plate; and a drive unit. The first punch is on the inside of the Thomson blade frame and is positioned such that a specified space is left between said punch and the Thomson blade. When the support plate advances towards the negative plate support, the first punch presses on the negative plate as the Thomson blade cuts the negative plate along the frame.

Description

technical field [0001] The present invention relates to an electrode plate manufacturing device. Background technique [0002] Conventionally, batteries have been used as power sources for various electric devices. Secondary batteries, which are batteries that can be repeatedly charged and discharged, are sometimes used as power buffers such as power generators in addition to power sources. Examples of battery configurations include: a stacked type in which a plurality of positive electrode plates and a plurality of negative electrode plates are stacked via separators, and a winding in which one positive electrode plate and one negative electrode plate are wound through a separator. type. Regardless of the type, the electrode active material is coated on the surface of the current collector on the electrode plate (positive electrode plate or negative electrode plate). [0003] Among these, the method disclosed in Patent Document 1 is cited as an example of a method for ma...

Claims

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Application Information

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IPC IPC(8): H01M4/04B26D5/20B26F1/40H01M4/139
CPCB26D5/20B26F1/40B26F1/44H01M4/0435H01M4/139Y02E60/10Y10T83/444H01M4/04
Inventor 四元博章松永祯纪辻晃
Owner DELTA ELECTRONICS INC