Title:
MULTILAYER BODY AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2019/163967
Kind Code:
A1
Abstract:
Provided is a multilayer body which is used for a negative electrode of a lithium ion secondary battery that has high capacity, while having excellent safety, economic efficiency and cycle characteristics. This multilayer body comprises a conductive base material and a composite layer that is provided on the conductive base material. The composite layer comprises a plurality of silicon oxide particles and a conductive substance that is present in the spaces among the plurality of silicon oxide particles. The silicon oxide particles have an average particle diameter of 1.0 μm or less. This multilayer body additionally comprises a conductive layer that is provided on the composite layer and contains the conductive substance. The conductive layer has a thickness of 20 μm or less.
Inventors:
MAMIYA MIKITO (JP)
AKIMOTO JUNJI (JP)
AKIMOTO JUNJI (JP)
Application Number:
PCT/JP2019/006898
Publication Date:
August 29, 2019
Filing Date:
February 22, 2019
Export Citation:
Assignee:
AIST (JP)
International Classes:
H01M4/131; B32B9/00; H01G11/46; H01G11/50; H01G11/86; H01M4/1391; H01M4/36; H01M4/38; H01M4/48; H01G11/06
Domestic Patent References:
| WO2013042745A1 | 2013-03-28 | |||
| WO2005057715A1 | 2005-06-23 |
Foreign References:
| JP2016181487A | 2016-10-13 | |||
| JP2011009228A | 2011-01-13 | |||
| JP2014529869A | 2014-11-13 | |||
| JP2009205981A | 2009-09-10 | |||
| JP2004175094A | 2004-06-24 | |||
| JP2007005108A | 2007-01-11 | |||
| JP2005100959A | 2005-04-14 | |||
| JP2003303618A | 2003-10-24 | |||
| JP2001185127A | 2001-07-06 |
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (JP)
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