Title:
SECONDARY BATTERY, SECONDARY BATTERY ELECTRODE, SECONDARY BATTERY MANUFACTURING METHOD, AND SECONDARY BATTERY ELECTRODE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2024/024754
Kind Code:
A1
Abstract:
This secondary battery comprises: a container filled with an electrolytic solution; an electrically-insulating and ion-conductive separator that partitions an internal space of the container into a first electrode chamber and a second electrode chamber; a first electrode configured of a metal substrate and accommodated in the first electrode chamber; and a second electrode accommodated in the second electrode chamber and containing metal atoms that migrate to the first electrode upon ionization, wherein the metal substrate has, on outer surface thereof, a fine uneven structure composed of a plurality of protrusions made of metal particles and having a maximum width of 0.5-30.0 μm (inclusive), the metal atoms precipitating on the surface of the protrusions during charging.
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Inventors:
HORI MASARU (JP)
ODA OSAMU (JP)
NGO VAN NONG (JP)
GHODKE SWAPNIL CHETAN (JP)
PETER RAJ DENNIS CHRISTY (JP)
ODA OSAMU (JP)
NGO VAN NONG (JP)
GHODKE SWAPNIL CHETAN (JP)
PETER RAJ DENNIS CHRISTY (JP)
Application Number:
PCT/JP2023/027077
Publication Date:
February 01, 2024
Filing Date:
July 24, 2023
Export Citation:
Assignee:
NATIONAL UNIV CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM (JP)
NU REI CO LTD (JP)
NU REI CO LTD (JP)
International Classes:
H01M10/04; H01M4/13; H01M4/139; H01M4/64; H01M4/66; H01M10/052; H01M10/0566; H01M10/058
Domestic Patent References:
| WO2011090044A1 | 2011-07-28 |
Foreign References:
| JP2019537226A | 2019-12-19 | |||
| JP2019164907A | 2019-09-26 | |||
| JP2010135342A | 2010-06-17 | |||
| JP2022187895A | 2022-12-20 |
Attorney, Agent or Firm:
WATANABE Hideki (JP)
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