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Patent Searching and Data


Title:
SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2018/155211
Kind Code:
A1
Abstract:
Provided in one embodiment of the present invention is a secondary battery comprising, housed in an exterior body, an electrolyte and an electrode assembly 100A containing a positive electrode 10A, a negative electrode 10B, and a separator 50 disposed between the positive electrode 10A and the negative electrode 10B. In the secondary battery, the electrode assembly 100A comprises a planar layered structure, as seen in a cross sectional view, wherein a plurality of electrode-constituting layers have been layered into a planar shape, each containing a positive electrode 10A, a negative electrode 10B and a separator 50, and has a cut-out section 30A as seen in a planar view. The electrode assembly 100A is provided with securing members 60Aa, 60Ab for securing at least a cut-out side surface 101A of the electrode assembly 100A forming the cut-out section 30A, and a non-cut-out side surface 102A of the electrode assembly 100A, facing away from the cut-out side surface 101A and forming a section excluding the cut-out section 30A.

Inventors:
MATSUZAKI YASUHIRO (JP)
Application Number:
PCT/JP2018/004409
Publication Date:
August 30, 2018
Filing Date:
February 08, 2018
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M10/0585; H01M10/04; H01M10/052; H01M50/103; H01M50/105
Foreign References:
JP2014209415A2014-11-06
JP2011081941A2011-04-21
JPH1012278A1998-01-16
JP2001102050A2001-04-13
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
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