公开(公告)号：EP3462523A1

公开(公告)日：2019-04-03

申请号：EP18161742.4

申请日：2018-03-14

Applicant: Sumitomo Osaka Cement Co., Ltd.

Inventor： OSHITARI, Satoru ,  YAMAYA, Ryuuta

IPC: H01M4/36 ,  C01B25/30 ,  C01B25/32 ,  C01B25/45 ,  H01M4/62 ,  H01M10/052 ,  H01M4/04 ,  H01M4/58 ,  H01M10/04 ,  H01M4/02

Abstract: An electrode material for a lithium ion battery including an active material represented by LiMPO 4 (Mis at least one selected from the group consisting of Fe, Mn, Co, Ni, Zn, Al, Ga, Mg, and Ca), in which an oil absorption amount for which diethyl carbonate is used (DEC oil absorption amount) is 50 cc/100 g or more and 80 cc/100 g or less, and a ratio (DEC/NMP) of the DEC oil absorption amount to an oil absorption amount for which N-methyl-2-pyrrolidinone is used (NMP oil absorption amount) is 1.3 or more and 1.8 or less.

公开(公告)号：EP3226332A1

公开(公告)日：2017-10-04

申请号：EP16191612.7

申请日：2016-09-29

Applicant: Sumitomo Osaka Cement Co., Ltd.

Inventor： OSHITARI, Satoru ,  OYAMA, Masataka ,  YAMAYA, Ryuuta

IPC: H01M4/58 ,  C01B25/37 ,  H01M4/36

CPC classification number: H01M4/366 ,  C01B25/377 ,  C01B25/45 ,  H01M4/133 ,  H01M4/136 ,  H01M4/1393 ,  H01M4/1397 ,  H01M4/5825 ,  H01M4/587 ,  H01M10/0525

Abstract: An electrode material for a lithium-ion secondary battery of the present invention includes particles which are made of LiFe x Mn 1-w-x-y-z Mg y Ca z A w PO 4 , have an orthorhombic crystal structure, and have a space group of Pmna, in which a mis-fit value [(1-(b2×c2)/(b1×c1))×100] of a bc plane which is computed from lattice constants b1 and c1 of the LiFe x Mn 1-w-x-y-z Mg y Ca z A w PO 4 and lattice constants b2 and c2 of Fe x Mn 1-w-x-y-z Mg y Ca z A w PO 4 obtained by deintercalating Li from LiFe x Mn 1-w-x-y-z Mg y Ca z A w PO 4 by means of an oxidation treatment using nitrosonium tetrafluoroborate in acetonitrile is 1.32% or more and 1.85% or less.

Abstract translation: 本发明的锂离子二次电池用电极材料包含由LiFexMn1-wxy-zMgyCazAwPO4构成的粒子，具有正交晶系结构，且具有Pmna的空间群，其中，失配值[（1 根据LiFexMn1-wxy-zMgyCazAwPO4的晶格常数b1和c1以及由FexMn1-wxy-zMgyCazAwPO4得到的晶格常数b2和c2计算出的bc平面的[（b2×c2）/（b1×c1））×100] 通过使用四氟硼酸亚硝鎓在乙腈中的氧化处理从LiFexMn1-wxy-zMgyCazAwPO4中脱嵌Li为1.32％以上且1.85％以下。

公开(公告)号：EP3182488A1

公开(公告)日：2017-06-21

申请号：EP17154296.2

申请日：2015-06-22

Applicant: Sumitomo Osaka Cement Co., Ltd.

Inventor： YAMAMOTO, Kazuyo ,  YAMAYA, Ryuuta ,  OSHITARI, Satoru

IPC: H01M4/136 ,  C01B25/45 ,  H01M4/36 ,  H01M4/58 ,  H01M4/62

CPC classification number: H01M4/366 ,  C01B25/45 ,  C01P2006/12 ,  C01P2006/40 ,  C01P2006/62 ,  C01P2006/65 ,  H01M4/0404 ,  H01M4/0407 ,  H01M4/136 ,  H01M4/5825 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/028

Abstract: To provide a positive electrode material for lithium ion secondary batteries capable of reducing waste loss, a method of producing the same, a positive electrode for lithium ion secondary batteries and a lithium ion secondary battery which contain the above-described positive electrode material for lithium ion secondary batteries. A positive electrode material for lithium ion secondary batteries, wherein the positive electrode material includes inorganic particles whose surfaces are coated with a carbonaceous film, the inorganic particles being represented by a formula LiFe x Mn 1-x-y M y PO 4 (0.05≤x≤1.0, 0≤y≤0.14, where M represents at least one selected from the group consisting of Mg, Ca, Co, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, and rare earth elements), a specific surface area is 6 m 2 /g to 20 m 2 /g, a lightness L* is 0 to 40, and a chroma C* is 0 to 3.5.

Abstract translation: 是提供一种用于锂离子能够减少浪费损耗的二次电池的正极材料，生产同样的方法，对锂离子二次电池用正极和锂离子而含有上述正极材料的锂离子二次电池 二次电池。 用于锂离子二次电池的正电极材料，正电极材料worin包括无机颗粒，其表面涂覆有碳质薄膜，无机粒子由一式的LiFe X的Mn 1-XY M Y PO 4（0.05‰¤x代表 ‰¤1.0，0‰¤y‰¤0.14，其中选自镁，钙，钴，锶，钡，钛，锌，硼，铝，镓，铟，硅，锗的选择的M darstellt的至少一个， 和稀土元素），比表面积为6m 2 / g至20m 2 / g时，明度L *为0〜40，和色度C *是0至3.5。

公开(公告)号：EP3883019A1

公开(公告)日：2021-09-22

申请号：EP20198079.4

申请日：2020-09-24

Applicant: Sumitomo Osaka Cement Co., Ltd.

Inventor： OSHITARI, Satoru ,  OONO, Kouji ,  NOZOE, Tsutomu

IPC: H01M4/1397 ,  H01M4/36 ,  H01M4/58 ,  H01M4/02 ,  H01M10/052

Abstract: A positive electrode material for a lithium ion secondary battery includes an olivine-type phosphate-based compound represented by General Formula LixAyDzPO 4 and carbon, and, in transmission electron microscopic observation of a cross section of a secondary particle that is an agglomerate of primary particles of the olivine-type phosphate-based compound, a 300-point average value of filling rates of the carbon that fills insides of voids having a diameter of 5 nm or larger that are formed by the primary particles is 30 to 70%. A is any one of Co, Mn, Ni, Fe, Cu, and Cr, D is any one of Mg, Ca, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, Sc, and Y, and x, y, and z satisfy 0.9

公开(公告)号：EP3547418B1

公开(公告)日：2020-09-02

申请号：EP18196569.0

申请日：2018-09-25

Applicant: Sumitomo Osaka Cement Co., Ltd.

Inventor： OSHITARI, Satoru ,  OYAMA, Masataka ,  YAMAYA, Ryuuta

IPC: H01M4/36 ,  H01M4/58 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/02

公开(公告)号：EP3462523B1

公开(公告)日：2020-11-04

申请号：EP18161742.4

申请日：2018-03-14

Applicant: Sumitomo Osaka Cement Co., Ltd.

Inventor： OSHITARI, Satoru ,  YAMAYA, Ryuuta

IPC: H01M4/36 ,  C01B25/30 ,  C01B25/32 ,  C01B25/45 ,  H01M4/62 ,  H01M10/052 ,  H01M4/04 ,  H01M4/58 ,  H01M10/04 ,  H01M4/02

公开(公告)号：EP3706217A1

公开(公告)日：2020-09-09

申请号：EP19195344.7

申请日：2019-09-04

Applicant: Sumitomo Osaka Cement Co., Ltd.

Inventor： OONO, Kouji ,  OSHITARI, Satoru ,  NOZOE, Tsutomu ,  OYAMA, Masataka

IPC: H01M4/62 ,  H01M4/36 ,  H01M4/58 ,  H01M4/1397 ,  H01M4/136 ,  H01M10/0525

Abstract: An electrode material including a carbonaceous-coated electrode active material having primary particles of the electrode active material and secondary particles that are aggregates of the primary particles, and a carbonaceous film that coats the primary particles of the electrode active material and the secondary particles that are the aggregates of the primary particles, in which a specific surface area, which is obtained using a nitrogen adsorption method, is 4 m 2 /g or more and 40 m 2 /g or less, a volume of micropores per unit mass is 0.05 cm 3 /g or more and 0.3 cm 3 /g or less, and an average micropore diameter, which is obtained from the volume of the micropores per unit mass and the specific surface area, is 26 nm or more and 90 nm or less.

公开(公告)号：EP3076460B1

公开(公告)日：2017-03-15

申请号：EP15173168.4

申请日：2015-06-22

Applicant: Sumitomo Osaka Cement Co., Ltd.

Inventor： YAMAMOTO, Kazuyo ,  YAMAYA, Ryuuta ,  OSHITARI, Satoru

IPC: H01M4/136 ,  C01B25/45 ,  H01M4/36 ,  H01M4/58 ,  H01M4/62

CPC classification number: H01M4/366 ,  C01B25/45 ,  C01P2006/12 ,  C01P2006/40 ,  C01P2006/62 ,  C01P2006/65 ,  H01M4/0404 ,  H01M4/0407 ,  H01M4/136 ,  H01M4/5825 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/028

公开(公告)号：EP3629404A1

公开(公告)日：2020-04-01

申请号：EP19158002.6

申请日：2019-02-19

Applicant: Sumitomo Osaka Cement Co., Ltd.

Inventor： OONO, Kouji ,  OSHITARI, Satoru ,  OYAMA, Masataka

IPC: H01M4/36 ,  H01M4/58 ,  H01M4/62 ,  C01B25/37 ,  H01M10/0525

Abstract: An electrode material including a carbonaceous-coated electrode active material having primary particles of an electrode active material and secondary particles that are aggregates of the primary particles, and a carbonaceous film that coats the primary particles of the electrode active material and the secondary particles that are the aggregates of the primary particles, in which a proportion of a volume of micropores having a micropore diameter of 50 nm or less in a volume of micropores having a micropore diameter of 300 nm or less, which is obtained using a nitrogen adsorption method, is 40% or more.

公开(公告)号：EP3151312B1

公开(公告)日：2019-12-18

申请号：EP16155372.2

申请日：2016-02-11

Applicant: Sumitomo Osaka Cement Co., Ltd.

Inventor： OSHITARI, Satoru ,  OYAMA, Masataka ,  YAMAYA, Ryuuta

IPC: H01M4/04 ,  H01M4/133 ,  H01M4/136 ,  H01M4/36 ,  H01M4/58 ,  H01M10/0525