公开(公告)号：US20200161657A1

公开(公告)日：2020-05-21

申请号：US16737270

申请日：2020-01-08

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Masataka OYAMA ,  Takao KITAGAWA

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

Abstract: A lithium-ion secondary battery including a cathode, an anode, and an electrolyte, in which the lithium-ion secondary battery includes inorganic phosphate particles, and the cathode includes cathode active material particles which include central particles made of LixAyMzPO4 (0≤x≤1.1, 0.8≤y≤1.1, and 0≤z≤0.2; here, A represents at least one element selected from the group consisting of Fe, Mn, Co, and Ni, and M represents at least one element selected from the group consisting of Mg, Ca, Co, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, and rare earth elements) and a carbonaceous film that coats surfaces of the central particles.

公开(公告)号：US20180097222A1

公开(公告)日：2018-04-05

申请号：US15470397

申请日：2017-03-27

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

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

IPC: H01M4/134 ,  H01M4/48 ,  H01M4/50 ,  H01M4/52 ,  H01M10/052

CPC classification number: H01M4/134 ,  H01M4/364 ,  H01M4/366 ,  H01M4/483 ,  H01M4/502 ,  H01M4/505 ,  H01M4/523 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/052

Abstract: An electrode material for a lithium-ion secondary battery of the present invention is a mixture including an electrode active material A made of LiFexMn1−x−yMyPO4 (0.05≦x≦0.40, 0≦y≦0.14, 1−x−y≧0, here, M represents at least one element selected from the group consisting of Mg, Ca, Co, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, and rare earth elements) and an electrode active material B made of a lithium-containing metal oxide, in which a volume change percentage due to lithium ions absorbed into and emitted from the electrode active material A is 6.2% or more and 8.3% or less.

公开(公告)号：US20180277846A1

公开(公告)日：2018-09-27

申请号：US15710581

申请日：2017-09-20

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Kouji OONO ,  Hirofumi Yasumiishi ,  Masataka OYAMA ,  Takao KITAGAWA

IPC: H01M4/58 ,  H01M4/525 ,  H01M4/505 ,  H01M10/0525

CPC classification number: H01M4/5825 ,  C01B25/081 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028

Abstract: A cathode material for a lithium-ion secondary battery of the present invention includes active material secondary particles formed by aggregating central particles including primary particles of a cathode active material represented by General Formula LiaAxBO4 (here, A represents at least one element selected from the group consisting of Mn, Fe, Co, and Ni, B represents at least one element selected from the group consisting of P, Si, and S, 0≤a

公开(公告)号：US20180277845A1

公开(公告)日：2018-09-27

申请号：US15706384

申请日：2017-09-15

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Ryuuta YAMAYA ,  Masataka OYAMA

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

CPC classification number: H01M4/5805 ,  H01M4/136 ,  H01M4/366 ,  H01M4/5825 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/028

Abstract: A cathode material for a lithium-ion secondary battery of the present invention is active material particles including central particles represented by General Formula LixAyDzPO4 (0.9

公开(公告)号：US20180097230A1

公开(公告)日：2018-04-05

申请号：US15433805

申请日：2017-02-15

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Masataka OYAMA ,  Takao KITAGAWA

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

CPC classification number: H01M4/5825 ,  H01M4/136 ,  H01M4/366 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/028

Abstract: A cathode material for a lithium-ion secondary battery of the present invention includes central particles represented by LixAyMzPO4 and a carbonaceous film that coats surfaces of the central particles, an average value of R values (I1580/I1360), which are ratios of a peak intensity (I1580) of a spectrum at a frequency band of 1,580±50 cm−1 to a peak intensity (I1360) of the spectrum at a frequency band of 1,360±50 cm−1 in a Raman spectrum analysis, measured at five points is 0.80 or more and 1.10 or less, and a standard deviation of the R values measured at five points is 0.010 or less.

公开(公告)号：US20200106086A1

公开(公告)日：2020-04-02

申请号：US16282829

申请日：2019-02-22

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Kouji OONO ,  Satoru OSHITARI ,  Masataka OYAMA

IPC: H01M4/131 ,  H01M4/525 ,  H01M4/505 ,  H01M4/04 ,  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：US20190097230A1

公开(公告)日：2019-03-28

申请号：US15936066

申请日：2018-03-26

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Masataka OYAMA ,  Takao KITAGAWA

IPC: H01M4/58 ,  H01M4/36 ,  H01M4/62 ,  H01M10/0525 ,  C01B25/45

Abstract: A cathode material for a lithium-ion secondary battery, the cathode material including: secondary particles which are granulated active material particles including central particles and a carbonaceous film that coats surfaces of the central particles, wherein a granulated body breakage degree ((a−b)/a) of the secondary particles is 0.03 or more and 0.30 or less, and the granulated body breakage degree is calculated based on a relative particle amount a, at which a maximum peak is shown in a particle size distribution of the secondary particles, and a relative particle amount b, at which a maximum peak in a particle size distribution of the secondary particles is shown after a dispersion treatment of the secondary particles is performed using a homogenizer.

公开(公告)号：US20160190635A1

公开(公告)日：2016-06-30

申请号：US14670929

申请日：2015-03-27

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Satoru OSHITARI ,  Masataka OYAMA ,  Ryuuta YAMAYA

IPC: H01M10/052 ,  H01M4/133 ,  H01M4/131

CPC classification number: H01M10/052 ,  C01B25/45 ,  C01P2002/76 ,  C01P2002/77 ,  C01P2004/32 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  H01M4/131 ,  H01M4/133 ,  H01M4/366 ,  H01M4/5825 ,  H01M4/623

Abstract: An electrode material for a lithium ion secondary battery of the present invention includes an electrode active material made of LiFexMn1-x-yMyPO4 (0.05≦x≦0.35, 0.005≦y≦0.14) in which the M is at least one selected from Co and Zn which are elements that are electrochemically inactive in a voltage range of 1.0 V to 4.3 V and have a smaller ionic radius than Mn, a crystal structure is orthorhombic, a space group is Pmna, values of crystal lattice constants a, b, and c satisfy 10.28 Å≦a≦10.42 Å, 6.000 Å≦b≦6.069 Å, and 4.710 Å≦c≦4.728 Å, and lattice volume V satisfies 289.00 Å3≦V≦298.23 Å3.

Abstract translation: 本发明的锂离子二次电池用电极材料包括由LiFexMn1-x-yMyPO4（0.05＆nlE; x＆nlE; 0.35,0.005和nlE; y＆nlE; 0.14）制成的电极活性物质，其中M为选自 Co和Zn是在1.0V至4.3V的电压范围内具有电化学惰性的元素，并且具有比Mn更小的离子半径，晶体结构是正交的，空间群是Pmna，晶格常数a，b， 和c满足10.28Å和n E;;;;;ÅÅÅn n; and and and and;;;; and and and and and and and and and and and and and V V V V V V V V V V V V V V V V V V V V V V V V V V V V V。。。。。。。。。。

公开(公告)号：US20160190583A1

公开(公告)日：2016-06-30

申请号：US14825442

申请日：2015-08-13

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Satoru OSHITARI ,  Masataka OYAMA ,  Ryuuta YAMAYA

IPC: H01M4/58 ,  H01M4/36 ,  H01M4/134 ,  H01M4/583

CPC classification number: H01M4/5825 ,  H01M4/131 ,  H01M4/366 ,  H01M4/625 ,  H01M10/052

Abstract: There are provided an electrode material for a lithium ion secondary battery having a high discharge capacity and a high mass energy density at a low temperature or at a high-speed charge and discharge, an electrode for a lithium ion secondary battery, and a lithium ion secondary battery.An electrode material for a lithium ion secondary battery of the present invention includes an electrode active material made of LiFexMn1-x-yMyPO4 (0.220≦x≦0.350, 0.0050≦y≦0.018) in which the M is either or both of Co and Zn, the electrode material has an orthorhombic crystal structure, a space group is Pnma, values of crystal lattice constants a, b, and c satisfy 10.28 Å≦a≦10.42 Å, 6.000 Å≦b≦6.069 Å, and 4.710 Å≦c≦4.728 Å, and lattice volume V satisfies 289.00 Å3≦V≦298.23 Å3.

Abstract translation: 提供了一种用于锂离子二次电池的电极材料，其在低温或高速充放电时具有高放电容量和高质量能量密度，锂离子二次电池用电极和锂离子 二次电池 本发明的锂离子二次电池用电极材料包括由LiFexMn1-x-yMyPO4（0.220＆nlE; x＆nlE; 0.350,0.0050＆nlE; y＆nlE; 0.018）制成的电极活性物质，其中M是Co 和Zn，电极材料具有正交晶体结构，空间群为Pnma，晶格常数a，b和c的值满足10.28Å＆nlE; a＆nlE; 10.42Å，ÅÅÅÅE;;;;;;; and and and;;;;;;;;;;;;;;;; c＆nlE; 4.728Å，晶格体积V满足289.00Å3＆nlE; V＆nlE; 298.23Å3。

公开(公告)号：US20160111712A1

公开(公告)日：2016-04-21

申请号：US14665513

申请日：2015-03-23

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Masataka OYAMA ,  Satoru OSHITARI ,  Ryuuta YAMAYA

IPC: H01M4/136 ,  H01M4/62 ,  H01M4/58

CPC classification number: H01M4/136 ,  H01M4/366 ,  H01M4/5825 ,  H01M4/623 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/028 ,  H01M2220/10 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P70/54

Abstract: A cathode material including an aggregate formed by aggregating active material particles, in which the active material particle is a particle including a cathode active material as a formation material and a carbonaceous material is provided on a surface of the particle, a ratio between a weight ratio of carbon contained in the aggregate to a BET specific surface area of the cathode material is in a range of 0.08 to 0.2, a tap density is in a range of 0.9 g/cm3 to 1.5 g/cm3, and an oil absorption amount for which N-methyl-2-pyrrolidone is used is 70 cc/100 g or less.

Abstract translation: 包括通过聚集活性物质颗粒而形成的聚集体的阴极材料，其中活性物质颗粒是包含作为形成材料的正极活性物质的颗粒和碳质材料，在颗粒的表面上设置重量比 聚合物中所含的碳与阴极材料的BET比表面积的比例为0.08〜0.2，振实密度为0.9g / cm 3〜1.5g / cm 3，吸油量为 使用N-甲基-2-吡咯烷酮为70cc / 100g以下。