公开(公告)号：US20200052296A1

公开(公告)日：2020-02-13

申请号：US16597416

申请日：2019-10-09

Applicant: NICHIA CORPORATION

Inventor： Hideki YOSHIDA ,  Masato SONOO ,  Takahiro KITAGAWA

IPC: H01M4/525 ,  C01G53/00 ,  H01M4/02

Abstract: A method of producing a nickel-cobalt composite hydroxide includes: preparing a first solution containing nickel ions and cobalt ions; preparing a second solution containing tungsten ions and having a pH of 10 or more; preparing a third solution containing a complex ion-forming factor; preparing a liquid medium having a pH in a range of 10 to 13.5; supplying the first solution, the second solution, and the third solution separately and simultaneously to the liquid medium to obtain a reacted solution having a pH in a range of 10 to 13.5; and obtaining the nickel-cobalt composite hydroxide containing nickel, cobalt, and tungsten from the reacted solution.

公开(公告)号：US20230085645A1

公开(公告)日：2023-03-23

申请号：US17759422

申请日：2021-01-26

Applicant: NICHIA CORPORATION

Inventor： Masato SONOO ,  Hideaki HAMADA ,  Kenichi KOBAYASHI ,  Jota MORIMOTO

IPC: H01M4/04 ,  H01M4/485 ,  H01M4/525

Abstract: Provided is a positive electrode active material for a non-aqueous electrolyte secondary battery. Also provided is a method for producing a positive electrode active material for a non-aqueous electrolyte secondary battery, comprising: providing a lithium transition metal composite oxide having a ratio D50/DSEM of 1 or more and 4 or less, having a layered structure, and having a ratio of a number of moles of nickel to a total number of moles of metals other than lithium of 0.3 or more and less than 1, and a ratio of a number of moles of cobalt to the total number of moles of metals other than lithium of 0 or more and less than 0.5; bringing the lithium transition metal composite oxide into contact with a cobalt compound to obtain an adhered material; and heat-treating the adhered material at a temperature higher than 700° C. and lower than 1100° C.

公开(公告)号：US20230045181A1

公开(公告)日：2023-02-09

申请号：US17814814

申请日：2022-07-25

Applicant: NICHIA CORPORATION

Inventor： Masato SONOO ,  Masahiro MURAYAMA ,  Kenichi KOBAYASHI ,  Hideaki HAMADA ,  Jota MORIMOTO

IPC: H01M4/525 ,  H01M4/36 ,  H01M4/505 ,  H01M4/131 ,  H01M4/04

Abstract: A method of producing a positive electrode for a non-aqueous electrolyte secondary battery, includes: providing a lithium transition metal composite oxide having a layered structure, having a ratio D50/DSEM of 1 or more and 4 or less, and having a certain content of nickel and a certain content of cobalt; bringing the lithium transition metal composite oxide into contact with a cobalt compound to obtain an adhered material; heat-treating the adhered material at a temperature higher than 700° C. and lower than 1100° C. to obtain a heat-treated product; obtaining a positive electrode composition containing the heat-treated product, a conductive auxiliary agent, and a binder; and applying and pressurizing the positive electrode composition onto a collector to form an active material layer having a density of 2.7 g/cm3 or more and 3.9 g/cm3 or less on the collector.

公开(公告)号：US20220089457A1

公开(公告)日：2022-03-24

申请号：US17457505

申请日：2021-12-03

Applicant: NICHIA CORPORATION

Inventor： Hideki YOSHIDA ,  Masato SONOO ,  Takahiro KITAGAWA

IPC: C01G53/04 ,  H01M4/525 ,  H01M4/505 ,  C30B7/14 ,  C30B29/10 ,  C30B1/10 ,  C30B29/22 ,  C30B29/68 ,  C01G45/12 ,  C01G51/00 ,  C01G51/04 ,  C01G53/00

Abstract: A method for producing a nickel cobalt complex hydroxide includes first crystallization of supplying a solution containing Ni, Co and Mn, a complex ion forming agent and a basic solution separately and simultaneously to one reaction vessel to obtain nickel cobalt complex hydroxide particles, and a second crystallization of, after the first crystallization, further supplying a solution containing nickel, cobalt, and manganese, a solution of a complex ion forming agent, a basic solution, and a solution containing said element M separately and simultaneously to the reaction vessel to crystallize a complex hydroxide particles containing nickel, cobalt, manganese and said element M on the nickel cobalt complex hydroxide particles crystallizing a complex hydroxide particles comprising Ni, Co, Mn and the element M on the nickel cobalt complex hydroxide particles.

公开(公告)号：US20190263675A1

公开(公告)日：2019-08-29

申请号：US16410726

申请日：2019-05-13

Applicant: NICHIA CORPORATION

Inventor： Hideki YOSHIDA ,  Masato SONOO ,  Takahiro KITAGAWA

IPC: C01G53/04 ,  C01G51/00 ,  C01G51/04 ,  C01G53/00 ,  C01G45/12 ,  C30B7/14 ,  C30B29/10 ,  C30B1/10 ,  C30B29/22 ,  C30B29/68 ,  H01M4/525 ,  H01M4/505

Abstract: A method for producing a nickel cobalt complex hydroxide includes first crystallization of supplying a solution containing Ni, Co and Mn, a complex ion forming agent and a basic solution separately and simultaneously to one reaction vessel to obtain nickel cobalt complex hydroxide particles, and a second crystallization of, after the first crystallization, further supplying a solution containing nickel, cobalt, and manganese, a solution of a complex ion forming agent, a basic solution, and a solution containing said element M separately and simultaneously to the reaction vessel to crystallize a complex hydroxide particles containing nickel, cobalt, manganese and said element M on the nickel cobalt complex hydroxide particles crystallizing a complex hydroxide particles comprising Ni, Co, Mn and the element M on the nickel cobalt complex hydroxide particles.

公开(公告)号：US20170324092A1

公开(公告)日：2017-11-09

申请号：US15588970

申请日：2017-05-08

Applicant: NICHIA CORPORATION

Inventor： Hideki YOSHIDA ,  Masato SONOO ,  Takahiro KITAGAWA

IPC: H01M4/525 ,  C01G53/00 ,  H01M4/02

CPC classification number: H01M4/525 ,  C01G53/006 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/85 ,  C01P2004/04 ,  H01M4/02 ,  H01M2004/028

Abstract: A method of producing a nickel-cobalt composite hydroxide includes: preparing a first solution containing nickel ions and cobalt ions; preparing a second solution containing tungsten ions and having a pH of 10 or more; preparing a third solution containing a complex ion-forming factor; preparing a liquid medium having a pH in a range of 10 to 13.5; supplying the first solution, the second solution, and the third solution separately and simultaneously to the liquid medium to obtain a reacted solution having a pH in a range of 10 to 13.5; and obtaining the nickel-cobalt composite hydroxide containing nickel, cobalt, and tungsten from the reacted solution.

公开(公告)号：US20160322627A1

公开(公告)日：2016-11-03

申请号：US15139903

申请日：2016-04-27

Applicant: NICHIA CORPORATION

Inventor： Hideki YOSHIDA ,  Masato SONOO ,  Takahiro KITAGAWA

IPC: H01M4/131 ,  H01M4/36 ,  H01M4/525 ,  H01M4/505 ,  H01M4/587 ,  H01M4/62 ,  H01M4/66 ,  H01M10/0525 ,  H01M10/0569 ,  H01M10/0568 ,  H01M10/0562 ,  H01M10/0585 ,  C30B7/14 ,  C30B29/10 ,  C30B1/10 ,  C30B29/22 ,  C30B29/68 ,  C01G53/04 ,  H01M4/133

CPC classification number: C01G53/04 ,  C01G45/1221 ,  C01G51/006 ,  C01G51/04 ,  C01G51/42 ,  C01G53/006 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/54 ,  C01P2002/85 ,  C01P2004/03 ,  C01P2004/10 ,  C01P2004/20 ,  C01P2004/50 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/40 ,  C30B1/10 ,  C30B7/14 ,  C30B29/10 ,  C30B29/22 ,  C30B29/68 ,  H01M4/0435 ,  H01M4/133 ,  H01M4/1391 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525

Abstract: A method for producing a nickel cobalt complex hydroxide includes first crystallization of supplying a solution containing Ni, Co and Mn, a complex ion forming agent and a basic solution separately and simultaneously to one reaction vessel to obtain nickel cobalt complex hydroxide particles, and a second crystallization of, after the first crystallization, further supplying a solution containing nickel, cobalt, and manganese, a solution of a complex ion forming agent, a basic solution, and a solution containing said element M separately and simultaneously to the reaction vessel to crystallize a complex hydroxide particles containing nickel, cobalt, manganese and said element M on the nickel cobalt complex hydroxide particles crystallizing a complex hydroxide particles comprising Ni, Co, Mn and the element Mon the nickel cobalt complex hydroxide particles.

Abstract translation: 镍钴复合氢氧化物的制造方法包括首先将含有Ni，Co，Mn的溶液，配合物离子形成剂和碱性溶液分别同时供给到一个反应容器中，得到镍钴复合氢氧化物粒子，第二次 在第一次结晶之后，再结晶，再次将含有镍，钴和锰的溶液，复合离子形成剂，碱性溶液和含有所述元素M的溶液分别并同时地供给到反应容器中以使结晶 在镍钴复合氢氧化物颗粒上含有镍，钴，锰和元素M的复合氢氧化物颗粒使包含Ni，Co，Mn的复合氢氧化物颗粒和元素Mon的镍钴复合氢氧化物颗粒结晶。