Title:
SECONDARY BATTERY, BATTERY PACK, VEHICLE, AND STATIONARY POWER SUPPLY
Document Type and Number:
WIPO Patent Application WO/2020/054099
Kind Code:
A1
Abstract:
According to one embodiment, there is provided a secondary battery including a positive electrode, a negative electrode, and an aqueous electrolyte. The positive electrode includes a positive electrode active material. The negative electrode includes a negative electrode active material and an additive resin containing a hydroxyl group unit and a first unit. The first unit consists of at least one of a butyral unit and an acetal unit. A content ratio of a content of the first unit contained in the additive resin to a content of the hydroxyl group unit contained in the additive resin is in a range of 1.2 to 18.
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Inventors:
HOTTA YASUYUKI (JP)
MATSUNO SHINSUKE (JP)
TAKAMI NORIO (JP)
MATSUNO SHINSUKE (JP)
TAKAMI NORIO (JP)
Application Number:
PCT/JP2019/007588
Publication Date:
March 19, 2020
Filing Date:
February 27, 2019
Export Citation:
Assignee:
TOSHIBA KK (JP)
International Classes:
H01M4/485; H01M4/62; H01M10/24; H01M10/36; H01M50/211; H01M50/296
Foreign References:
| JP2002117857A | 2002-04-19 | |||
| JP2016046188A | 2016-04-04 | |||
| US20140079994A1 | 2014-03-20 | |||
| EP3352267A1 | 2018-07-25 | |||
| JP2017027944A | 2017-02-02 |
Other References:
S. LIU: "Rechargeable Aqueous Lithium-Ion Battery of Ti02/LiMn204 with a High Voltage", JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 158, no. 12, 2011, pages A1490 - A1497
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
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