公开(公告)号：JP2009004316A

公开(公告)日：2009-01-08

申请号：JP2007166594

申请日：2007-06-25

Applicant: Sony Corp ,  ソニー株式会社

Inventor： WATANABE HARUO ,  OYAMA YUUDAI ,  HOSOYA YOSUKE ,  AZUMA HIDETO ,  FUJITA SHIGERU

IPC: C01G53/00 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525

CPC classification number: H01M4/131 ,  C01G51/42 ,  C01G51/44 ,  C01G53/42 ,  C01P2002/52 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/40 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/028

Abstract: PROBLEM TO BE SOLVED: To improve chemical stability of a cathode active material for a nonaqueous electrolyte secondary battery by restraining particles from combining. SOLUTION: A cathode 2 has the cathode active material for a nonaqueous electrolyte secondary battery which is prepared to form a compound oxide particle; a coated layer arranged on at least a part of the surface of the compound oxide particle and composed of an oxide including at least one coated element among lithium (Li), nickel (Ni), and manganese (Mn); and a surface layer arranged on at least a part of the coated layer and composed of an oxide of at least one element among lanthanoid series. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 解决方案：通过抑制颗粒结合来提高非水电解质二次电池用正极活性物质的化学稳定性。 解决方案：阴极2具有用于形成复合氧化物颗粒的非水电解质二次电池用正极活性物质， 由复合氧化物粒子的表面的至少一部分配置在包含锂（Li），镍（Ni）和锰（Mn））中的至少一种被覆元素的氧化物上的被覆层。 以及布置在涂层的至少一部分上并由镧系元素中的至少一种元素的氧化物构成的表面层。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008010234A

公开(公告)日：2008-01-17

申请号：JP2006177656

申请日：2006-06-28

Applicant: Sony Corp ,  ソニー株式会社

Inventor： MORITA KOSHI ,  KUDO YOSHIHIRO ,  HOSOYA YOSUKE

IPC: H01M4/02 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M10/05 ,  H01M10/052

CPC classification number: Y02E60/122

Abstract: PROBLEM TO BE SOLVED: To provide a positive active material having high charge discharge characteristics and to provide a nonaqueous electrolyte battery using the positive active material. SOLUTION: A positive mix layer 2B contains the positive active material. In the positive active material, an absorption edge peak appearing in the vicinity of 530 eV at oxygen K absorption edge in X-ray absorption spectrum at the oxygen K absorption edge measured in an X-ray absorption fine structure (XAFS) analytical method shows certain behavior. By using this positive active material, reaction on the interface in a charged state is suppressed to enhance battery characteristics. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供具有高电荷放电特性的正极活性物质，并使用正极活性物质提供非水电解质电池。

解决方案：正极混合层2B含有正极活性材料。 在正极活性物质中，在X射线吸收精细结构（XAFS）分析方法中测定的氧K吸收边缘处的X射线吸收光谱中，在氧吸收边缘处的530eV附近出现吸收边缘峰，显示一定 行为。 通过使用该正极活性物质，抑制了在充电状态下的界面上的反应，以提高电池特性。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2006313719A

公开(公告)日：2006-11-16

申请号：JP2005222038

申请日：2005-07-29

Applicant: Sony Corp ,  ソニー株式会社

Inventor： HARA TOMITARO ,  AKASHI HIROYUKI ,  HOSOYA YOSUKE ,  OBANA YOSHIAKI ,  OGAWA KENICHI

IPC: H01M4/02 ,  H01M4/505 ,  H01M4/525 ,  H01M10/05 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565

CPC classification number: H01M10/0565 ,  H01M4/505 ,  H01M4/525 ,  H01M4/582 ,  H01M10/052 ,  H01M10/4235 ,  H01M2300/0085

Abstract: PROBLEM TO BE SOLVED: To provide a battery capable of improving energy density and cycle characteristics. SOLUTION: The battery comprises a wound electrode body 10 in which a positive electrode 13 and a negative electrode 14 are wound through a separator 15 and an electrolyte 16. The open circuit voltage at the time of full charging is 4.25 V or more and 6.00 V or less. The electrolyte 16 contains an electrolytic liquid and a polymer containing vinylidene fluoride as a component. Since the polymer containing vinylidene fluoride as a component has a high oxidation stability, it can suppress oxidative degradation of the electrolyte 16 and the separator 15 even if the battery voltage is made higher. COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 解决的问题：提供能够提高能量密度和循环特性的电池。 解决方案：电池包括卷绕电极体10，其中正电极13和负极14通过隔板15和电解质16缠绕。充满电时的开路电压为4.25V以上 和6.00V以下。 电解质16含有电解液和含有偏二氟乙烯作为成分的聚合物。 由于含有偏二氟乙烯作为组分的聚合物具有高的氧化稳定性，因此即使电池电压较高，也可以抑制电解质16和隔膜15的氧化降解。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2005339970A

公开(公告)日：2005-12-08

申请号：JP2004156688

申请日：2004-05-26

Applicant: Sony Corp ,  ソニー株式会社

Inventor： SATO TAKASHI ,  YAMAMOTO YOSHIKATSU ,  HOSOYA YOSUKE

IPC: H01M4/131 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M6/00 ,  H01M10/05 ,  H01M4/02 ,  H01M4/58 ,  H01M10/40

CPC classification number: H01M4/131 ,  H01M4/133 ,  H01M4/364 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2004/021 ,  H01M2004/028

Abstract: PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery capable of improving a cycle property and a low temperature load property.
SOLUTION: The nonaqueous electrolyte secondary battery has a cathode 2 and an anode 3 electrochemically doping and dedoping lithium, and an electrolyte interposed between the cathode 2 and the anode 3. The cathode 2 contains a cathode activator made by mixing a first activator expressed by general formula: Li
t CoM
s O
2 and a second cathode activator expressed by general formula: Li
x Ni
(1-y-z) Co
y Mn
z A
a O
2 . In the formula, M denotes a metal, 0≤s≤0.03, 0.05≤t≤1.15, and A denotes aluminum, 0.05≤x≤1.15, 0.15≤y+z≤0.70, 0.05≤z≤0.40, 0≤a≤0.10.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 解决的问题：提供能够提高循环性能和低温负载性能的非水电解质二次电池。 解决方案：非水电解质二次电池具有阴极2和阳极3，电化学掺杂和去掺杂锂，以及介于阴极2和阳极3之间的电解质。阴极2包含通过混合第一活化剂 由通式表示：通式为：通式为：Li ×SB 和通式 >的Ni （1-YZ）钴ý的Mn ž A 一 0 2 。 在该式中，M表示金属，0≤s≤0.03,0.05≤t≤1.15，A表示铝，0.05≤x≤1.15,0.15≤y+z≤0.70,0.05≤z≤0.40,0≤a≤ 0.10。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2003173776A

公开(公告)日：2003-06-20

申请号：JP2001373266

申请日：2001-12-06

Applicant: SONY CORP

Inventor： HOSOYA YOSUKE ,  YAMAMOTO YOSHIKATSU

IPC: C01G53/00 ,  H01M4/02 ,  H01M4/131 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M6/10 ,  H01M10/05 ,  H01M10/0525 ,  H01M10/0587 ,  H01M10/38 ,  H01M4/58 ,  H01M10/40

Abstract: PROBLEM TO BE SOLVED: To provide a positive electrode active material and a secondary battery having a large capacity and good cycle characteristics with which enough discharging capacity can be obtained even at large-current discharging. SOLUTION: A positive electrode 21 and a negative electrode 23 are wound round with a separator 23 interposed. The positive electrode 21 contains a high-stability complex oxide Li x Ni 1-y-z Mn y MI z O 2 and high-conductivity complex oxide Li s MII 1-t-u Mn t MIII u O 2 . MI, MIII denotes at least one kind of elements from group II to group XIV, MII denotes at least one kind from Ni and Co, satisfying the following formulae: 0.9≤x COPYRIGHT: (C)2003,JPO

公开(公告)号：JP2002203556A

公开(公告)日：2002-07-19

申请号：JP2000403460

申请日：2000-12-28

Applicant: SONY CORP

Inventor： HOSOYA YOSUKE ,  YAMAMOTO YOSHIKATSU

IPC: H01M10/052 ,  H01M4/131 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M4/58 ,  H01M4/02

Abstract: PROBLEM TO BE SOLVED: To raise cycle characteristic of a secondary battery. SOLUTION: As a positive-electrode active material, a mixed material, in which a lithium manganese compound oxide and a lithium nickel compound oxide are mixed so that a mass ratio may be the lithium manganese compound oxide of 10 wt.% to 80 wt.% and the lithium nickel compound oxide of 90 wt.% to 20 wt.%, is used. Volume density of a positive electrode mixture layer 8 is 2.5 g/cm3 to 3.3 g/cm3.

公开(公告)号：JP2014160684A

公开(公告)日：2014-09-04

申请号：JP2014119478

申请日：2014-06-10

Applicant: Sony Corp ,  ソニー株式会社

Inventor： OGAWA KENICHI ,  AKASHI HIROYUKI ,  TAKAGI KUMIKO ,  HARA TOMITARO ,  OBANA YOSHIAKI ,  HOSOYA YOSUKE

IPC: H01M2/16 ,  H01M4/587 ,  H01M10/052 ,  H01M10/058

CPC classification number: Y02E60/122

Abstract: PROBLEM TO BE SOLVED: To provide a battery capable of improving an energy density as well as battery characteristics such as a cycle characteristic or a high-temperature storage characteristic.SOLUTION: A positive electrode 21 and a negative electrode 22 are disposed to face each other through a separator 23. An open circuit voltage during complete charging is within a range of 4.25 V to 6.00 V. The separator 23 includes a base material layer 23A and a surface layer 23B. The surface layer 23B facing the positive electrode 21 is formed from at least one type of a group comprised of polyvinylidene fluoride, polytetrafluoroethylene, polypropylene, and aramid.

Abstract translation: 要解决的问题：提供能够提高能量密度的电池以及诸如循环特性或高温储存特性的电池特性。解决方案：正极21和负极22彼此相对设置 通过分离器23.完全充电期间的开路电压在4.25V至6.00V的范围内。隔板23包括基材层23A和表面层23B。 面对正极21的表面层23B由至少一种由聚偏二氟乙烯，聚四氟乙烯，聚丙烯和芳族聚酰胺组成的组形成。

公开(公告)号：JP2014112476A

公开(公告)日：2014-06-19

申请号：JP2012266142

申请日：2012-12-05

Applicant: Sony Corp ,  ソニー株式会社

Inventor： ENDO KASUAKI ,  MOTOHASHI KAZUNARI ,  TSUJI HIROETSU ,  HOSOYA YOSUKE ,  KITA AKINORI ,  MISAWA MASAKI ,  NAKAI HIDEKI ,  MURAKAMI YOSUKE

IPC: H01M10/052 ,  H01M2/10 ,  H01M4/131 ,  H01M4/36 ,  H01M4/38 ,  H01M4/48 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0566 ,  H01M10/058

CPC classification number: H01M10/052 ,  H01M4/131 ,  H01M4/505 ,  H01M10/0525 ,  H01M2004/027 ,  H01M2220/30 ,  Y02E60/122 ,  Y02T10/7011

Abstract: PROBLEM TO BE SOLVED: To provide a secondary battery with which excellent battery characteristics can be obtained.SOLUTION: A positive electrode includes a lithium-containing compound having an average composition represented by Li(MnCoNi)MO(where, M represents Al or the like, and 0

Abstract translation: 要解决的问题：提供可以获得优异的电池特性的二次电池。解决方案：正极包括具有由Li（MnCoNi）MO（其中，M表示Al等）表示的平均组成的含锂化合物 ，并且满足0

公开(公告)号：JP2013048053A

公开(公告)日：2013-03-07

申请号：JP2011186116

申请日：2011-08-29

Applicant: Sony Corp ,  ソニー株式会社

Inventor： HOSOYA YOSUKE ,  RI KOKUKA ,  FUJIKI SATOSHI

IPC: H01M4/58 ,  B60L11/18 ,  H01M2/10 ,  H01M4/136 ,  H01M4/36 ,  H01M10/052 ,  H01M10/0566

CPC classification number: H01M4/485 ,  H01M4/1397 ,  H01M4/362 ,  H01M4/366 ,  H01M4/5825 ,  H01M10/0525 ,  Y02E60/122 ,  Y02T10/7011

Abstract: PROBLEM TO BE SOLVED: To provide a secondary cell capable of achieving excellent battery characteristics.SOLUTION: The secondary cell includes a positive electrode and a negative electrode as well as electrolyte. The positive electrode contains at least two types of lithium transition metal composite phosphate particles having lithium and one or at lest two transition metals as a constituent element. In the at least two types of lithium transition metal composite phosphate particles, compositions of one or at least two transition metals are different from each other.

Abstract translation: 要解决的问题：提供能够实现优异的电池特性的二次电池。 解决方案：二次电池包括正极和负极以及电解质。 正极含有至少两种具有锂的锂过渡金属复合磷酸盐颗粒和一种或至少两种过渡金属作为组成元素。 在至少两种类型的锂过渡金属复合磷酸盐颗粒中，一种或至少两种过渡金属的组成彼此不同。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2009043477A

公开(公告)日：2009-02-26

申请号：JP2007205331

申请日：2007-08-07

Applicant: Sony Corp ,  ソニー株式会社

Inventor： HOSOYA YOSUKE

IPC: H01M4/36 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525

CPC classification number: Y02E60/122

Abstract: PROBLEM TO BE SOLVED: To provide a positive electrode active material of high capacity, excellent charge/discharge cycle characteristics, and at the same time with little degradation during preservation, and to provide a positive electrode and a nonaqueous electrolyte battery using the same. SOLUTION: The cathode 21 has a positive electrode active material. The positive electrode active material contains lithium transition metal complex oxide, and fluoro complex salt existing at least at a part of a surface of the lithium transition metal complex oxide. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供高容量的正极活性物质，充放电循环特性优异，同时在保存期间几乎没有劣化，并且提供使用该电极的正极和非水电解质电池 相同。 阴极21具有正极活性物质。 正极活性物质含有锂过渡金属络合物氧化物，至少存在于锂过渡金属络合物氧化物的一部分表面的氟配位盐。 版权所有（C）2009，JPO＆INPIT