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公开(公告)号：US20230327106A1
公开(公告)日：2023-10-12
申请号：US18187147
申请日：2023-03-21
Applicant: NICHIA CORPORATION
Inventor： Shunsuke SAWADA
CPC classification number: H01M4/525 , C01G53/50 , C01G53/66 , H01M4/505 , C01P2006/40 , H01M2004/028
Abstract: A method for producing a positive electrode material for a nonaqueous secondary battery includes the steps of mixing a compound containing lithium, a compound containing nickel and BaTiO3 to form a mixed material; and sintering the mixed material to form a lithium transition metal composite oxide.
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公开(公告)号：US20250038202A1
公开(公告)日：2025-01-30
申请号：US18784821
申请日：2024-07-25
Applicant: NICHIA CORPORATION
Inventor： Shigenobu NODA , Shunsuke SAWADA , Takashi ENOMOTO , Satoshi MATSUSHITA , Hideyuki KIRIE , Misaki KAWAI , Kento ISAI , Kenichi KOBAYASHI
Abstract: A method of producing a cathode active material for a secondary battery is provided. The method includes preparing a mixture comprising a lithium source, a phosphate source, an iron source, a carbon source, a boron source comprising an oxo acid of boron, and a liquid medium; granulating the mixture to obtain a precursor; and heat-treating the precursor to obtain a lithium transition metal compound having an olivine structure, wherein in the mixture, a total molar amount of boron atoms contained in the boron source is more than 0% and less than 3% with respect to a total molar amount of iron atoms contained in the iron source as 100%.
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公开(公告)号：US20240145707A1
公开(公告)日：2024-05-02
申请号：US18497567
申请日：2023-10-30
Applicant: BAR-ILAN UNIVERSITY , NICHIA CORPORATION
Inventor： Doron AURBACH , Shunsuke SAWADA , Shalom LUSKI
IPC: H01M4/58 , H01M4/1397 , H01M4/36 , H01M4/583 , H01M4/62 , H01M10/052
CPC classification number: H01M4/5815 , H01M4/1397 , H01M4/366 , H01M4/583 , H01M4/623 , H01M10/052 , H01M2004/028
Abstract: A cathode for Li—S battery includes a current collector and a cathode composite layer disposed on the current collector. The cathode composite layer includes (i) a porous carbon layer, (ii) a first binder that is at least partially in contact with the porous carbon layer and (iii) elemental sulfur. A second binder is at least partially disposed between the current collector and the cathode composite layer. A Li—S battery also is contemplated, as are methods of fabricating the cathode and the battery.
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公开(公告)号：US20190198874A1
公开(公告)日：2019-06-27
申请号：US16229246
申请日：2018-12-21
Applicant: NICHIA CORPORATION
Inventor： Shunsuke SAWADA
CPC classification number: H01M4/525 , C01G53/66 , C01P2006/40 , H01M4/505 , H01M2004/028
Abstract: A method for producing a positive electrode material for a nonaqueous secondary battery includes the steps of mixing a compound containing lithium, a compound containing nickel and BaTiO3 to form a mixed material; and sintering the mixed material to form a lithium transition metal composite oxide.
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