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1.发明公开
公开(公告)号：EP3886216A1
公开(公告)日：2021-09-29
申请号：EP19886913.3
申请日：2019-11-21
发明人： SUN, Ren-de , FUKUI, Hiroji , NAKASUGA, Akira , SAWADA, Yuuki
IPC分类号： H01M4/36 , H01M4/505 , H01M4/525 , H01M4/58 , H01M4/62 , H01M10/052 , H01M10/0562
摘要： The present invention provides an active material for all-solid-state batteries that enables production of all-solid-state batteries having excellent battery characteristics. The present invention also provides an electrode for all-solid-state batteries and an all-solid-state battery each including the active material for all-solid-state batteries. Provided is an active material for all-solid-state batteries, including: an active material; and a coating layer containing amorphous carbon and coating a surface of the active material, the coating layer coating at least part of the surface of the active material.
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公开(公告)号：EP3636593A1
公开(公告)日：2020-04-15
申请号：EP18813990.1
申请日：2018-06-04
IPC分类号： C01B32/225 , H01M4/139 , H01M4/62
摘要： Provided is a carbon material-containing dispersion liquid that is excellent in dispersibility when used as a slurry for electrode formation of a secondary battery, and is capable of enhancing the battery characteristics such as output characteristics of the secondary battery. A carbon material-containing dispersion liquid includes a carbon material and a dispersion medium for the carbon material. In the carbon material-containing dispersion liquid, a concentration of the carbon material in the carbon material-containing dispersion liquid is 0.01% by weight or more and 20% by weight or less, and a light transmittance at a wavelength of 650 nm of a supernatant of the carbon material-containing dispersion liquid when the carbon material-containing dispersion liquid is left to stand at 25°C for 24 hours after preparation is 1% or more and 60% or less.
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