Title:
ENERGY STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/123588
Kind Code:
A1
Abstract:
An energy storage device includes an electrode assembly in which a plurality of positive electrodes and a plurality of negative electrodes are alternately stacked with each insulated from one another. The positive electrode has a positive-electrode coated area formed by applying a positive-electrode active material to the surface of a positive electrode body, and a positive-electrode uncoated area to which the positive-electrode active material is not applied with the positive electrode body exposed. The height Hm of the positive-electrode uncoated area in the positive electrode is greater than a tolerance x for the positive-electrode uncoated area and the range where the height Hm is greater than the tolerance x is 1.0 mm or less.
Inventors:
OGASAWARA MASATO (JP)
MINAGATA ATSUSHI (JP)
MINAGATA ATSUSHI (JP)
Application Number:
PCT/JP2017/045846
Publication Date:
June 27, 2019
Filing Date:
December 21, 2017
Export Citation:
Assignee:
TOYOTA JIDOSHOKKI KK (JP)
International Classes:
H01M10/04; H01G11/22; H01G11/72; H01M4/13; H01M10/0585
Foreign References:
| JP2013175407A | 2013-09-05 | |||
| JP2015060796A | 2015-03-30 |
Attorney, Agent or Firm:
ONDA, Makoto et al. (JP)
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