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Patent Searching and Data

Document Type and Number:
Japanese Patent JP5668607
Kind Code:
PROBLEM TO BE SOLVED: To inhibit damage of a separator sheet due to burrs of an electrode sheet with less labor and ensure a degree of freedom of an outer edge shape of the electrode sheet in a battery formed by laminating the electrode sheets of positive/negative electrodes and the separator sheet sandwiched therebetween and a battery manufacturing device.SOLUTION: A frame-like sheet reinforcing part 17 is formed at a portion countering to an outer edge part 13 of an electrode sheet 1 on a top face 21 of a separator sheet, and a burr 14 which protrudes in a thickness direction from the outer edge part 13 of the electrode 1 pierces in the sheet reinforcing part 17 so as to be engaged therewith. The sheet reinforcing part 17 is formed by transferring a reinforcing resin to a separator web by a dispense roll.

松尾 研吾
Application Number:
Publication Date:
February 12, 2015
Filing Date:
June 03, 2011
Export Citation:
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International Classes:
H01M10/04; H01M2/18
Attorney, Agent or Firm:
Masatake Shiga