公开(公告)号：US20200098495A1

公开(公告)日：2020-03-26

申请号：US16582614

申请日：2019-09-25

Applicant: NICHIA CORPORATION

Inventor： Rieko YOSHIMOTO ,  Satoshi YAMANAKA ,  Shuichi TADA ,  Hideaki YOSHIWARA

IPC: H01F1/055 ,  B05D3/14 ,  B05D7/24 ,  C04B41/00 ,  C04B41/52 ,  C04B41/89 ,  H01F1/059

Abstract: Provided are a SmFeN magnetic powder which is superior not only in water resistance and corrosion resistance but also in hot water resistance, and a method of preparing the powder. The present invention relates to a method of preparing a magnetic powder, comprising: plasma-treating a gas; surface-treating a SmFeN magnetic powder with the plasma-treated gas; and forming a coat layer on the surface of the surface-treated SmFeN magnetic powder.

公开(公告)号：US20150004491A1

公开(公告)日：2015-01-01

申请号：US14316954

申请日：2014-06-27

Applicant: NICHIA CORPORATION

Inventor： Hideaki YOSHIWARA ,  Tsutomu YAMADA ,  Masahiro MURAYAMA

IPC: H01M4/525 ,  H01M4/505 ,  C01D1/02 ,  H01M10/054

CPC classification number: H01M4/525 ,  C01G45/006 ,  C01G45/1228 ,  C01G49/0018 ,  C01G49/009 ,  C01G51/006 ,  C01G51/42 ,  C01G53/006 ,  C01G53/42 ,  C01P2002/72 ,  C01P2002/76 ,  C01P2006/40 ,  H01M4/505 ,  H01M10/054

Abstract: The present invention provides a positive-electrode active material for non-aqueous secondary battery comprising a sodium transition metal composite oxide represented by Formula: NaxFe1-yMyO2, wherein 0.4≦x≦0.7, 0.25≦y

Abstract translation: 本发明提供一种非水二次电池用正极活性物质，其包含由式NaxFe1-yMyO2表示的钠过渡金属复合氧化物，其中，0.4≤n1E; x＆lt; l1; 0.7,0.25＆nlE; y <1.0，M为 至少一种选自锰，钴和镍的元素，钠过渡金属复合氧化物具有基本上由P63 / mmc组成的晶体结构。

公开(公告)号：US20220351882A1

公开(公告)日：2022-11-03

申请号：US17812715

申请日：2022-07-14

Applicant: NICHIA CORPORATION

Inventor： Rieko YOSHIMOTO ,  Satoshi YAMANAKA ,  Shuichi TADA ,  Hideaki YOSHIWARA

IPC: H01F1/055 ,  B05D3/14 ,  B05D7/24 ,  H01F1/059 ,  C04B41/00 ,  C04B41/52 ,  C04B41/89

Abstract: Provided are a SmFeN magnetic powder which is superior not only in water resistance and corrosion resistance but also in hot water resistance, and a method of preparing the powder. The present invention relates to a method of preparing a magnetic powder, comprising: plasma-treating a gas; surface-treating a SmFeN magnetic powder with the plasma-treated gas; and forming a coat layer on the surface of the surface-treated SmFeN magnetic powder.

公开(公告)号：US20180175389A1

公开(公告)日：2018-06-21

申请号：US15895562

申请日：2018-02-13

Applicant: NICHIA CORPORATION

Inventor： Hideaki YOSHIWARA ,  Tsutomu YAMADA ,  Masahiro MURAYAMA

IPC: H01M4/525 ,  H01M10/054 ,  C01G53/00 ,  C01G45/12 ,  C01G49/00 ,  C01G45/00 ,  C01G51/00 ,  H01M4/505

CPC classification number: H01M4/525 ,  C01G45/006 ,  C01G45/1228 ,  C01G49/0018 ,  C01G49/009 ,  C01G51/006 ,  C01G51/42 ,  C01G53/006 ,  C01G53/42 ,  C01P2002/72 ,  C01P2002/76 ,  C01P2006/40 ,  H01M4/505 ,  H01M10/054

Abstract: The present invention provides a positive-electrode active material for non-aqueous secondary battery comprising a sodium transition metal composite oxide represented by Formula: NaxFe1-yMyO2, wherein 0.4≤x≤0.7, 0.25≤y