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公开(公告)号：EP3240068B1
公开(公告)日：2020-04-01
申请号：EP15873056.4
申请日：2015-12-22
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2.发明公开CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, CATHODE, AND SECONDARY BATTERY 有权KATHODENAKTIVMATERIALFÜREINELITHIUMSEKUNDÄRBATTERIE，KATHODE UNDSEKUNDÄRBATTERIE
公开(公告)号：EP3021387A1
公开(公告)日：2016-05-18
申请号：EP14823282.0
申请日：2014-07-01
发明人： IIDA Yasutaka , YAMASHITA Daisuke , MASUKAWA Takaaki , ITO Hiroyuki , KURITA Hiroyuki , TAKAMORI Kenji , IMANARI Yuichiro
CPC分类号： H01M4/525 , C01G53/50 , C01P2002/20 , C01P2002/60 , C01P2002/72 , C01P2002/76 , C01P2004/53 , C01P2004/61 , C01P2004/62 , C01P2006/10 , C01P2006/12 , C01P2006/14 , C01P2006/16 , C01P2006/17 , C01P2006/40 , H01M4/366 , H01M4/505 , H01M10/0525 , H01M2004/028
摘要： Provided is a positive electrode active material which is useful for a lithium secondary battery having a battery resistance lower than that of the conventional positive electrode active material below freezing point. The positive electrode active material for a lithium secondary battery contains at least one element selected from a group consisting of nickel, cobalt and manganese, the positive electrode active material having a layered structure and satisfying all of the following requirements (1) to (3): (1) a primary particle size is 0.1 µm to 1 µm and a secondary particle size is 1 µm to 10 µm; (2) in an X-ray powder diffraction measurement using CuKα radiation, a crystallite size in the peak within 2θ = 18.7 ± 1° is 100 Å to 1200 Å and a crystallite size in the peak within 2θ = 44.6 ± 1° is 100 Å to 700 Å; and (3) in a pore distribution obtained by a mercury intrusion method, a pore peak exists in a range where the pore size is 10 nm to 200 nm and a pore volume in the said range is 0.01 cm 3 /g to 0.05 cm 3 /g.
摘要翻译： 本发明提供一种正极活性物质，其对于电池电阻低于低于凝固点的常规正极活性物质的锂二次电池是有用的。 锂二次电池用正极活性物质含有选自镍，钴和锰中的至少一种元素，正极活性物质具有层状结构，满足以下所有要求（1）〜（3） ：（1）一次粒径为0.1μm〜1μm，二次粒径为1μm〜10μm; （2）在使用CuK±辐射的X射线粉末衍射测量中，在2θ= 18.7±1°范围内的峰值中的微晶尺寸为100至1200，并且在2θ= 44.6±1°内的峰中的微晶尺寸 °为100埃至700埃; 和（3）在通过水银侵入法得到的孔分布中，孔径存在于孔径为10nm〜200nm的范围内，所述范围的孔体积为0.01cm 3 / g〜0.05cm 3 /G。
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3.发明授权CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, CATHODE, AND SECONDARY BATTERY 有权用于锂二次电池，阴极和二次电池的阴极活性材料
公开(公告)号：EP3021387B1
公开(公告)日：2017-11-29
申请号：EP14823282.0
申请日：2014-07-01
发明人： IIDA Yasutaka , YAMASHITA Daisuke , MASUKAWA Takaaki , ITO Hiroyuki , KURITA Hiroyuki , TAKAMORI Kenji , IMANARI Yuichiro
CPC分类号： H01M4/525 , C01G53/50 , C01P2002/20 , C01P2002/60 , C01P2002/72 , C01P2002/76 , C01P2004/53 , C01P2004/61 , C01P2004/62 , C01P2006/10 , C01P2006/12 , C01P2006/14 , C01P2006/16 , C01P2006/17 , C01P2006/40 , H01M4/366 , H01M4/505 , H01M10/0525 , H01M2004/028
摘要： Provided is a positive electrode active material which is useful for a lithium secondary battery having a battery resistance lower than that of the conventional positive electrode active material below freezing point. The positive electrode active material for a lithium secondary battery contains at least one element selected from a group consisting of nickel, cobalt and manganese, the positive electrode active material having a layered structure and satisfying all of the following requirements (1) to (3): (1) a primary particle size is 0.1 µm to 1 µm and a secondary particle size is 1 µm to 10 µm; (2) in an X-ray powder diffraction measurement using CuK± radiation, a crystallite size in the peak within 2¸ = 18.7 ± 1° is 100 Å to 1200 Å and a crystallite size in the peak within 2¸ = 44.6 ± 1° is 100 Å to 700 Å; and (3) in a pore distribution obtained by a mercury intrusion method, a pore peak exists in a range where the pore size is 10 nm to 200 nm and a pore volume in the said range is 0.01 cm 3 /g to 0.05 cm 3 /g.
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4.发明公开POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERIES, AND LITHIUM SECONDARY BATTERY 审中-公开POSITIVELEKTRODENAKTIVMATERIALFÜRLITHIUMSEKUNDÄRBATTERIEN，POSITIVELEKTRODEFÜRLITHIUMSEKUNDÄRBATTERIENUNDLITHIUMSEKUNDÄRBATTERIE
公开(公告)号：EP3151316A1
公开(公告)日：2017-04-05
申请号：EP15800391.3
申请日：2015-05-27
发明人： KURITA Hiroyuki , TAKAMORI Kenji , IMANARI Yuichiro , MASUKAWA Takaaki , YAMASHITA Daisuke , NAKAO Kimiyasu
CPC分类号： H01M4/131 , C01G53/50 , C01P2002/76 , C01P2006/40 , H01M4/366 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M10/0587 , H01M2220/20 , H01M2220/30
摘要： The object of the present invention is to provide a positive electrode active material usable for a lithium ion battery capable of high charge/discharge cycle performance and high discharge capacity. The positive electrode active material for a lithium secondary battery has a layered structure and comprises at least nickel, cobalt and manganese. Further, the positive electrode active material satisfies requirements (1) to (3) below: (1) a primary particle size of 0.1 µm to 1µm, and a 50 % cumulative particle size D 50 of 1 µm to 10 µm, (2) a ratio (D 90 /D 10 ) of volume-based 90% cumulative particle size D 90 to volume-based 10% cumulative particle size D 10 of 2 to 6, and (3) a lithium carbonate content in a residual alkali on particle surfaces of 0.1 % by mass to 0.8 % by mass as measured by neutralization titration.
摘要翻译： 本发明的目的是提供一种可用于具有高充电/放电循环性能和高放电容量的锂离子电池的正极活性物质。 锂二次电池用正极活性物质为层状结构，至少包含镍，钴，锰。 此外，正极活性物质满足下述（1）〜（3）的要求：（1）一次粒径为0.1μm〜1μm，50％的累积粒径D 50为1μm〜10μm，（2） 基于体积的90％累积粒径D 90与体积基于10％累积粒径D 10的比例（D 90 / D 10）为2〜6，（3）粒子上的残留碱中的碳酸锂含量 表面为0.1质量％〜0.8质量％，通过中和滴定测定。
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公开(公告)号：EP3561923A1
公开(公告)日：2019-10-30
申请号：EP17885590.4
申请日：2017-12-21
发明人： TAKAMORI Kenji , IMANARI Yuichiro , MAEDA Yusuke
摘要： A method for forming positive electrode active material for lithium secondary batteries includes a lithium composite metal compound containing secondary particles that are aggregates of primary particles which are capable of being doped or dedoped with lithium ions and satisfies all of specific requirements (1) to (4)
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公开(公告)号：EP3534441A1
公开(公告)日：2019-09-04
申请号：EP17865065.1
申请日：2017-10-31
发明人： IMANARI Yuichiro , MAEDA Yusuke
摘要： The present invention provides a positive electrode active material precursor for a lithium secondary battery, in which the positive electrode active material precursor is represented by the following composition formula (I), a ratio (α/β) between a half width α of a peak that is present within a range of a diffraction angle 2θ = 19.2 ± 1° and a half width β of a peak that is present within a range of 2θ = 38.5 ± 1° is equal to or greater than 0.9 in powder X-ray diffraction measurement using a CuKα beam:
Ni x Co y Mn z M w (OH) 2 ... (I)
[0.7 ≤ x-
7.发明公开
公开(公告)号：EP3240068A1
公开(公告)日：2017-11-01
申请号：EP15873056.4
申请日：2015-12-22
CPC分类号： H01M4/505 , H01M4/525 , H01M10/0525
摘要： A positive electrode active material for a lithium secondary battery, including secondary particles formed by aggregation of primary particles capable of being doped and undoped with lithium ions, said positive electrode active material having: an α-NaFeO 2 type crystal structure represented by formula: Li[Li x (Ni a Co b Mn c M d ) 1-x ]O 2 (I), wherein 0 ≦ x ≦ 0.1, 0.7
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公开(公告)号：EP2403043B1
公开(公告)日：2018-08-22
申请号：EP10746068.5
申请日：2010-02-04
发明人： IMANARI Yuichiro , PITTELOUD Cedric
CPC分类号： H01M4/505 , C01G53/006 , C01G53/50 , C01P2002/54 , C01P2002/76 , C01P2004/62 , C01P2006/12 , C01P2006/40 , H01M2/1686 , H01M4/525 , H01M10/052 , H01M2004/021 , Y02E60/122 , Y02P70/54
摘要： Disclosed is a lithium mixed metal oxide which is useful for a positive electrode active material that is capable of providing a nonaqueous electrolyte secondary battery having more excellent cycle characteristics, in particular, more excellent cycle characteristics during high-temperature operation at 60 DEG C or the like. Specifically disclosed is a lithium mixed metal oxide represented by the following formula (A). Li x (Mn 1-y-z Ni y Fe z )O 2 (A) (In the formula, x is not less than 0.9 and not more than 1.3; y is 0.46 or more and less than 0.5; and z is 0 or more and less than 0.1.) Also disclosed are: a positive electrode active material which comprises the lithium mixed metal oxide; a positive electrode which comprises the positive electrode active material; and a nonaqueous electrolyte secondary battery which comprises the positive electrode.
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公开(公告)号：EP3208872B1
公开(公告)日：2020-04-22
申请号：EP15850691.5
申请日：2015-10-13
发明人： TAKAMORI Kenji , KURITA Hiroyuki , IMANARI Yuichiro , YAMASHITA Daisuke , NAKAO Kimiyasu , DOUMAE Kyousuke
IPC分类号： H01M4/525 , C01G53/00 , H01M4/505 , H01M10/0525 , H01M4/02
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10.发明公开
公开(公告)号：EP3208872A1
公开(公告)日：2017-08-23
申请号：EP15850691.5
申请日：2015-10-13
发明人： TAKAMORI Kenji , KURITA Hiroyuki , IMANARI Yuichiro , YAMASHITA Daisuke , NAKAO Kimiyasu , DOUMAE Kyousuke
CPC分类号： H01M4/525 , C01G53/00 , C01G53/50 , C01P2002/60 , C01P2004/54 , C01P2004/61 , C01P2004/62 , C01P2004/64 , C01P2006/11 , C01P2006/12 , C01P2006/40 , H01M4/505 , H01M10/0525 , H01M2004/021 , H01M2004/028
摘要： A positive electrode active material, which has a crystallite size α/crystallite size β ratio (α/β) of 1 to 1.75 or less, wherein the crystallite size α is within a peak region of 2θ = 18.7 ± 1° and the crystallite size β is within a peak region of 2θ = 44.6 ± 1°, each determined by a powder X-ray diffraction measurement using Cu-Kα ray, and has a composition represented by formula (I) below:
Li[Li x (Ni a Co b Mn c M d ) 1-x ]O 2 (I)
wherein 0 ≦ x ≦ 0.2, 0.3
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