Li-Ni 복합 산화물 입자 분말 및 비수전해질 이차 전지

    公开(公告)号:KR20200127182A

    公开(公告)日:2020-11-10

    申请号:KR20207024728

    申请日:2019-03-01

    Abstract: 본발명은, 고에너지밀도를갖고, 고전압충전시의충방전반복특성이우수한니켈산리튬복합산화물의정극활물질입자분말및 비수전해질이차전지를제공한다. 본발명은, 층상구조의니켈산리튬복합산화물 Li1+aNi1-b-cCobMcO2(M은원소 Mn, Al, B, Mg, Ti, Sn, Zn, Zr 중적어도 1종, -0.1≤a≤0.2, 0.05≤b≤0.5, 0.01≤c≤0.4)를코어입자 X라고하고, 원소 Al, Mg, Zr, Ti, Si 중적어도 1종을포함하는평균막 두께가 0.2 내지 5㎚인피복화합물 Y를가진정극활물질입자분말이며, 상기코어입자 X와상기피복화합물 Y 사이에층상암염구조의 Ni2+ 이온을포함하는결정상이층으로서존재하는것을특징으로하는정극활물질입자분말에관한것이다.

    POSITIVE ELECTRODE ACTIVE SUBSTANCE PARTICLES COMPRISING LITHIUM NICKELATE COMPOSITE OXIDE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

    公开(公告)号:WO2019012497A1

    公开(公告)日:2019-01-17

    申请号:PCT/IB2018/055199

    申请日:2018-07-13

    Abstract: The present invention provides positive electrode active substance particles comprising a lithium nickelate composite oxide which have a high energy density and which are excellent in repeated charge/discharge cycle characteristics upon charging at a high voltage when used in a secondary battery, as well as a non-aqueous electrolyte secondary battery. The present invention relates to positive electrode active substance particles each comprising: a core particle X comprising a lithium nickelate composite oxide having a layer structure which is represented by the formula of Li 1+a Ni 1-b-c Co b M c O 2 wherein M is at least one element selected from the group consisting of Mn, Al, B, Mg, Ti, Sn, Zn and Zr; a is a number of -0.1 to 0.2 (-0.1 ≤ a ≤ 0.2); b is a number of 0.05 to 0.5 (0.05 ≤ b ≤ 0.5); and c is a number of 0.01 to 0.4 (0.01 ≤ c ≤ 0.4); and a coating compound Y comprising at least one element selected from the group consisting of Al, Mg, Zr, Ti and Si, in which the coating compound Y has an average film thickness of 0.2 to 5 nm, a degree of crystallinity of 50 to 95%, a degree of epitaxy of 50 to 95% and a coating ratio (coverage) of 50 to 95%.

    SELF-FUSIBLE DAMPING MATERIAL
    7.
    发明申请
    SELF-FUSIBLE DAMPING MATERIAL 审中-公开
    自润滑阻燃材料

    公开(公告)号:WO1993022381A1

    公开(公告)日:1993-11-11

    申请号:PCT/JP1992000534

    申请日:1992-04-24

    Abstract: A self-fusible damping material comprising powdery hard ferrite particles as a filler molded by using a binder, wherein an ethylene-vinyl acetate copolymer and a petroleum resin are used as the binder and 100 parts by weight in total of the binder is compounded with 150 to 600 parts by weight of the filler; or a self-fusible damping material comprising powdery hard ferrite particles as a filler and containing, if necessary, an auxiliary filler, the filler mixture being molded by using a binder, wherein an ethylene-vinyl acetate copolymer and a petroleum resin are used as the binder and 100 parts by weight in total of the binder is compounded with 50 to 400 parts by weight of the ferrite particles and 1 to 200 parts by weight of the auxiliary filler in such a manner that the total amount of the filler mixture ranges from 100 to 600 parts by weight per 100 parts by weight of the binder.

    Abstract translation: 一种自熔阻尼材料,其包含粉末状硬质铁氧体颗粒作为通过使用粘合剂成型的填料,其中使用乙烯 - 乙酸乙烯酯共聚物和石油树脂作为粘合剂,并将100重量份的粘合剂与150重量份 至600重量份的填料; 或包含粉状硬质铁氧体颗粒作为填料的自熔阻尼材料,并且如果需要的话,如果需要的话,其中含有辅助填料,则使用粘合剂将填料混合物模塑,其中使用乙烯 - 乙酸乙烯酯共聚物和石油树脂作为 粘合剂和100重量份的粘合剂的混合物与50至400重量份的铁氧体颗粒和1至200重量份的辅助填料混合,使得填料混合物的总量为100 相对于100重量份的粘合剂为600重量份。

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