Title:
蓄電素子及び蓄電装置
Document Type and Number:
Japanese Patent JP6393976
Kind Code:
B2
Abstract:
An energy storage device (10) including a positive electrode (410), a negative electrode (420), a separator (431 or 432) disposed between the positive electrode (410) and the negative electrode (420), and a non-aqueous electrolyte, wherein the negative electrode (420) includes a negative electrode active material layer (422) containing a non-graphitizable carbon as a negative electrode active material, and the negative electrode active material has a negative electrode active material weight per unit volume of the negative electrode active material layer (422) of 0.92 g/cc or more and 1.13 g/cc or less and a particle size D90 of 4.3 µm or more and 11.5 µm or less, the particle size D90 being a particle size in particle size distribution in which a cumulative volume is 90%.
Inventors:
Sumio Mori
Kenta Nakai
Akihiko Miyazaki
Tomonori Kako
Kenta Nakai
Akihiko Miyazaki
Tomonori Kako
Application Number:
JP2013238248A
Publication Date:
September 26, 2018
Filing Date:
November 18, 2013
Export Citation:
Assignee:
Gs Yuasa Co., Ltd.
International Classes:
H01M4/587; H01M4/133; H01M10/0525; H01M50/536; H01M50/538
Domestic Patent References:
| JP2010098020A | ||||
| JP2008103596A | ||||
| JP2009088221A | ||||
| JP2003323895A | ||||
| JP2010135648A | ||||
| JP2007134286A | ||||
| JP2009084099A | ||||
| JP2012079566A | ||||
| JP2004235145A | ||||
| JP2001006730A | ||||
| JP2004111242A | ||||
| JP2006079987A | ||||
| JP2006079859A | ||||
| JP2004193041A |
Foreign References:
| WO2014034859A1 | ||||
| WO2012121407A1 |
Attorney, Agent or Firm:
Masaki Nakahara