公开(公告)号：US20100239910A1

公开(公告)日：2010-09-23

申请号：US12728688

申请日：2010-03-22

Applicant: Shingo Tode ,  Katsuaki Takahashi ,  Yoshinori Kida ,  Hiroyuki Fujimoto

Inventor： Shingo Tode ,  Katsuaki Takahashi ,  Yoshinori Kida ,  Hiroyuki Fujimoto

IPC: H01M4/52

CPC classification number: H01M4/525 ,  H01M4/485 ,  H01M4/505 ,  H01M4/622 ,  H01M4/623 ,  H01M10/0525 ,  Y02T10/7011

Abstract: A non-aqueous electrolyte secondary battery including a positive electrode having a positive electrode mixture layer containing a positive electrode active material, a binder, and a conductive agent, and a negative electrode having a negative electrode active material capable of intercalating and deintercalating lithium. The positive electrode active material includes a layered lithium-transition metal composite oxide represented by the compositional formula LiaNixM(1-x)O2 where 0

Abstract translation: 一种非水电解质二次电池，包括具有含有正极活性物质，粘合剂和导电剂的正极合剂层的正极和具有能够嵌入和脱嵌锂的负极活性物质的负极。 正极活性物质包括由组成式ⅫNixM（1-x）O 2表示的层状锂 - 过渡金属复合氧化物，其中0

公开(公告)号：US20090208846A1

公开(公告)日：2009-08-20

申请号：US12385710

申请日：2009-04-16

Applicant: Yasufumi Takahashi ,  Hiroyuki Fujimoto ,  Akira Kinoshita ,  Toyoki Fujihara ,  Shingo Tode ,  Ikuro Nakane ,  Shin Fujitani

Inventor： Yasufumi Takahashi ,  Hiroyuki Fujimoto ,  Akira Kinoshita ,  Toyoki Fujihara ,  Shingo Tode ,  Ikuro Nakane ,  Shin Fujitani

IPC: H01M4/58

CPC classification number: H01M4/131 ,  H01M4/133 ,  H01M4/525 ,  H01M10/0525

Abstract: Method of increasing charge-discharge capacity of a nonaqueous electrolyte secondary battery including a positive electrode containing a positive active material, a negative electrode containing a negative active material other than metallic lithium and a nonaqueous electrolyte. The battery is charged at an end-of-charge voltage of at least 4.3V. The positive active material includes lithium cobaltate in which Zr and Mg are contained by mixing their source materials in the preparation of the positive active material by a heat treatment, the Zr and Mg being contained in the lithium cobaltate in a total amount of not greater than 3 mole %, the Zr after heat treatment being present as particles of a Zr-containing compound that are sintered with particle surfaces of the lithium cobaltate, and the Zr being detected in the particles of the Zr-containing compound but not in the lithium cobaltate particles.

Abstract translation: 提高包含正极活性物质的正极，含有金属锂以外的负极活性物质的负极和非水电解质的非水电解质二次电池的充放电容量的提高方法。 电池充电至少为4.3V的充电电压。 正极活性物质包括通过热处理将其原料混合在正极活性物质的制备中而含有Zr和Mg的钴酸锂，所述钴酸锂中所含的Zr和Mg的总量不大于 3摩尔％，热处理后的Zr作为与钴酸锂的粒子表面烧结的含Zr化合物的颗粒存在，Zr在含Zr化合物的颗粒中检测而不在钴酸锂中 粒子。

公开(公告)号：US20080063941A1

公开(公告)日：2008-03-13

申请号：US11898501

申请日：2007-09-12

Applicant: Masaharu Itaya ,  Shingo Tode ,  Takanobu Chiga ,  Hiroshi Nakamura

Inventor： Masaharu Itaya ,  Shingo Tode ,  Takanobu Chiga ,  Hiroshi Nakamura

IPC: H01M10/24

CPC classification number: H01M4/5825 ,  H01M4/13 ,  H01M4/366 ,  H01M4/485 ,  H01M4/525 ,  H01M4/62 ,  H01M10/052 ,  H01M10/4235 ,  H01M2004/028

Abstract: A positive electrode material for a nonaqueous electrolyte secondary battery is obtained which attains good thermal stability and high discharge capacity and shows satisfactory charge-discharge cycle performance characteristics. A nonaqueous electrolyte secondary battery using the positive electrode material is also obtained. Characteristically, the positive electrode material for a nonaqueous electrolyte secondary battery contains a positive active material (e.g., lithium-containing layered complex oxide) capable of lithium storage and release, a lithium phosphate compound such as Li3PO4, and Al2O3. The lithium phosphate compound and Al2O3 are preferably disposed near the positive active material.

Abstract translation: 得到非常好的热稳定性和高放电容量的非水电解质二次电池用正极材料，充放电循环性能良好。 也可以获得使用正极材料的非水电解质二次电池。 特别地，非水电解质二次电池用正极材料含有能够进行锂储存和释放的正极活性物质（例如含锂层状复合氧化物），磷酸锂化合物如Li 3 PO 4＆lt; 3＆gt;和＆lt; 2＆gt; 3＆lt; 3＆gt; 磷酸锂化合物和Al 2 O 3 3优选设置在正极活性材料附近。

公开(公告)号：US20060166100A1

公开(公告)日：2006-07-27

申请号：US10563126

申请日：2004-08-30

Applicant: Yasufumi Takahashi ,  Hiroyuki Fujimoto ,  Akira Kinoshita ,  Shingo Tode ,  Ikuro Nakane ,  Shin Fujitani

Inventor： Yasufumi Takahashi ,  Hiroyuki Fujimoto ,  Akira Kinoshita ,  Shingo Tode ,  Ikuro Nakane ,  Shin Fujitani

IPC: H01M4/62 ,  H01M4/58 ,  H01M4/52

CPC classification number: H01M4/366 ,  C01G51/42 ,  C01P2002/50 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/44

Abstract: A nonaqueous electrolyte secondary battery which has a positive electrode containing lithium cobalt oxide as a positive active material, a negative electrode containing a graphite material and a nonaqueous electrolyte solution containing ethylene carbonate as a solvent and which is charged with an end-of-charge voltage of at least 4.3 V. Characteristically, the battery uses, as the positive active material, lithium cobalt oxide obtained by firing a mixture of a lithium salt, tricobalt tetraoxide (Co3O4) and a zirconium compound and having particle surfaces onto which the zirconium compound adheres.

Abstract translation: 具有含有作为正极活性物质的钴酸锂的正极的非水电解质二次电池，含有石墨材料的负极和含有碳酸亚乙酯作为溶剂的非水电解液，并充入充电电压 特别地，电池使用作为正极活性物质的锂钴氧化物，其通过焙烧锂盐，四氧化四钴（Co 3 O 4）4的混合物而获得， SUB>）和锆化合物，并且具有锆化合物附着在其上的颗粒表面。

公开(公告)号：US20050233217A1

公开(公告)日：2005-10-20

申请号：US10522771

申请日：2003-10-30

Applicant: Toyoki Fujihara ,  Akira Kinoshita ,  Shingo Tode ,  Hiroyuki Fujimoto ,  Yasufumi Takahashi ,  Ikuro Nakane ,  Shin Fujitani

Inventor： Toyoki Fujihara ,  Akira Kinoshita ,  Shingo Tode ,  Hiroyuki Fujimoto ,  Yasufumi Takahashi ,  Ikuro Nakane ,  Shin Fujitani

IPC: H01M2/02 ,  H01M4/02 ,  H01M4/1391 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M10/04 ,  H01M10/05 ,  H01M10/052 ,  H01M10/058 ,  H01M10/52 ,  H01M4/50 ,  H01M4/52

CPC classification number: H01M4/505 ,  H01M2/0285 ,  H01M4/131 ,  H01M4/364 ,  H01M4/525 ,  H01M4/582 ,  H01M10/0525 ,  H01M10/52 ,  H01M10/526 ,  H01M2004/021

Abstract: A sealed nonaqueous electrolyte secondary battery having a case which is deformed when the inner pressure is increased is characterized in that a material capable of occluding and releasing lithium is used as a negative electrode material, and a mixture of a lithium transition metal composite oxide containing Ni and Mn as transition metals and having a layered structure and a lithium cobaltate is used as a positive electrode material.

Abstract translation: 具有在内压增加时变形的壳体的密封型非水电解质二次电池的特征在于，使用能够吸留和释放锂的材料作为负极材料，并且将含有Ni的锂过渡金属复合氧化物 并且使用具有层状结构的Mn作为过渡金属，并且使用钴酸锂作为正极材料。

公开(公告)号：US20050052157A1

公开(公告)日：2005-03-10

申请号：US10934705

申请日：2004-09-07

Applicant: Akira Kinoshita ,  Shingo Tode ,  Yasufumi Takahashi ,  Hiroyuki Fujimoto ,  Ikuro Nakane ,  Shin Fujitani

Inventor： Akira Kinoshita ,  Shingo Tode ,  Yasufumi Takahashi ,  Hiroyuki Fujimoto ,  Ikuro Nakane ,  Shin Fujitani

IPC: H01M10/05 ,  H01M4/505 ,  H01M4/525 ,  H01M10/42 ,  H01M10/44 ,  H02J7/00 ,  H02J7/04

CPC classification number: H02J7/0031 ,  H01M4/131 ,  H01M4/133 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0587 ,  H01M10/42 ,  H01M10/44 ,  H01M10/448 ,  H02J2007/004

Abstract: Capacity degradation due to charge/discharge cycles is suppressed in either a non-aqueous electrolyte secondary cell provided with a positive electrode including, as a positive electrode active material, a lithium-transition metal complex oxide having a layered structure and containing at least Ni and Mn as transition metals, and a negative electrode containing a carbon material as a negative electrode active material and having a higher initial charge-discharge efficiency than that of the positive electrode, or an assembled battery having a plurality of cells each of which is the secondary cell. A control circuit incorporated in the secondary cell or the assembled battery, or in an apparatus using the secondary cell or the assembled battery, monitors the voltage of the secondary cell or each of the cells in the assembled battery so that the end-of-discharge voltage of each cell is 2.9 V or higher.

Abstract translation: 在具有正极的非水电解质二次电池中，由于充电/放电循环而导致的容量劣化被抑制，所述正极包括作为正极活性物质的具有层状结构且至少含有Ni的锂 - 过渡金属复合氧化物 Mn作为过渡金属，以及含有作为负极活性物质的碳材料并且具有比正极更高的初始充放电效率的负极，或具有多个电池的组电池，每个电池均为次级 细胞。 集成在二次电池或组电池中的控制电路，或者在使用二次电池或组电池的装置中，监视蓄电池中的二次电池或各电池的电压，使得放电终止 每个电池的电压为2.9V或更高。

公开(公告)号：US09577245B2

公开(公告)日：2017-02-21

申请号：US14129436

申请日：2012-06-25

Applicant: Shinichi Yamami ,  Shingo Tode ,  Toyoki Fujihara ,  Toshiyuki Nohma

Inventor： Shinichi Yamami ,  Shingo Tode ,  Toyoki Fujihara ,  Toshiyuki Nohma

IPC: H01M4/133 ,  H01M4/1393 ,  H01M4/583 ,  H01M10/0525 ,  H01M4/587 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525

CPC classification number: H01M4/1393 ,  H01M4/133 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: Disclosed is a non-aqueous electrolyte secondary cell excellent in capacity retention rate and I-V characteristics after repeated cycles. The secondary cell contains a negative electrode active material containing scaly graphite particles and coated graphite particles. The coated graphite particles contain graphite particles and a coating layer coating the surfaces of the graphite particles. The coating layer contains amorphous carbon particles and an amorphous carbon layer. It is preferable that the negative electrode active material contain 1 to 6% by mass of the scaly graphite particles and that the graphite particles, the amorphous carbon particles, and the amorphous carbon layer be in a mass ratio of 100:α:β where 1≦α≦10, 1≦β≦10, and α≦1.34β.

Abstract translation: 公开了重复循环后的容量保持率和I-V特性优异的非水电解质二次电池。 二次电池含有含有鳞片状石墨粒子和被覆石墨粒子的负极活性物质。 涂覆的石墨颗粒包含石墨颗粒和涂覆石墨颗粒表面的涂层。 涂层含有无定形碳颗粒和无定形碳层。 负极活性物质优选含有1〜6质量％的鳞状石墨粒子，石墨粒子，无定形碳粒子和无定形碳层的质量比为100:α:β，其中1 ≤α≤10,1≤β≤10，α≤1.34β。

公开(公告)号：US20140134492A1

公开(公告)日：2014-05-15

申请号：US14129436

申请日：2012-06-25

Applicant: Shinichi Yamami ,  Shingo Tode ,  Toyoki Fujihara ,  Toshiyuki Nohma

Inventor： Shinichi Yamami ,  Shingo Tode ,  Toyoki Fujihara ,  Toshiyuki Nohma

IPC: H01M4/36 ,  H01M4/1393

CPC classification number: H01M4/1393 ,  H01M4/133 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: Disclosed is a non-aqueous electrolyte secondary cell excellent in capacity retention rate and I-V characteristics after repeated cycles. The secondary cell contains a negative electrode active material containing scaly graphite particles and coated graphite particles. The coated graphite particles contain graphite particles and a coating layer coating the surfaces of the graphite particles. The coating layer contains amorphous carbon particles and an amorphous carbon layer. It is preferable that the negative electrode active material contain 1 to 6% by mass of the scaly graphite particles and that the graphite particles, the amorphous carbon particles, and the amorphous carbon layer be in a mass ratio of 100:α:β where 1≦α≦10, 1≦β≦10, and α≦1.34β.

Abstract translation: 公开了重复循环后的容量保持率和I-V特性优异的非水电解质二次电池。 二次电池含有含有鳞片状石墨粒子和被覆石墨粒子的负极活性物质。 涂覆的石墨颗粒包含石墨颗粒和涂覆石墨颗粒表面的涂层。 涂层含有无定形碳颗粒和无定形碳层。 优选负极活性物质含有1〜6质量％的鳞片状石墨粒子，石墨粒子，无定形碳粒子和无定形碳层的质量比为100:α:＆lt; bgr; 其中1＆nlE;α＆nlE; 10,1＆nlE;＆bgr;＆nlE; 10和α＆nlE; 1.34＆bgr。

公开(公告)号：US08597834B2

公开(公告)日：2013-12-03

申请号：US12801631

申请日：2010-06-17

Applicant: Koji Abe ,  Kazuhiro Miyoshi ,  Yasufumi Takahashi ,  Hiroyuki Fujimoto ,  Akira Kinoshita ,  Shingo Tode ,  Ikuro Nakane ,  Shin Fujitani

Inventor： Koji Abe ,  Kazuhiro Miyoshi ,  Yasufumi Takahashi ,  Hiroyuki Fujimoto ,  Akira Kinoshita ,  Shingo Tode ,  Ikuro Nakane ,  Shin Fujitani

IPC: H01M4/13 ,  H01M6/16

CPC classification number: H01M10/0525 ,  H01M4/131 ,  H01M4/485 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0567 ,  H01M10/0569 ,  H01M2010/4292 ,  H01M2300/0025

Abstract: A nonaqueous electrolyte secondary battery including a negative electrode containing a graphite material as the negative active material, a positive electrode containing lithium cobalt oxide as a main component of the positive active material and a nonaqueous electrolyte solution, the battery being characterized in that the lithium cobalt oxide contains a group IVA element selected from the group consisting of Ti, Zr and Hf and a group IIA element of the periodic table, the nonaqueous electrolyte solution contains 0.2-1.5% by weight of a sulfonyl-containing compound and preferably further contains 0.5-4% by weight of vinylene carbonate.

Abstract translation: 包含含有作为负极活性物质的石墨材料的负极，含有钴酸锂作为正极活性物质的主要成分的正极和非水电解液的非水电解质二次电池，其特征在于，所述锂钴 氧化物含有选自Ti，Zr和Hf的IVA族元素和周期表的IIA族元素，非水电解质溶液含有0.2-1.5重量％的含磺酰基化合物，优选还含有0.5- 4重量％的碳酸亚乙烯酯。

公开(公告)号：US20120280172A1

公开(公告)日：2012-11-08

申请号：US13469747

申请日：2012-05-11

Applicant: Katsutoshi Takeda ,  Yoshio Kato ,  Shingo Tode ,  Masanori Maekawa ,  Shigeki Matsuta

Inventor： Katsutoshi Takeda ,  Yoshio Kato ,  Shingo Tode ,  Masanori Maekawa ,  Shigeki Matsuta

IPC: H01M4/525

CPC classification number: C23C8/16 ,  C01G51/42 ,  C01G53/42 ,  C01G53/44 ,  C01P2002/52 ,  C01P2002/88 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/525 ,  H01M10/052 ,  Y10T29/49108 ,  Y10T29/49115

Abstract: A method for producing a non-aqueous electrolyte secondary cell by preparing a positive electrode by applying a positive electrode mixture onto a positive electrode core material, the mixture containing a positive electrode active material mainly made of a lithium nickel composite oxide and a binding agent containing polyvinylidene fluoride; measuring the amount of carbon dioxide gas generated when a layer of the positive electrode mixture is removed out of the positive electrode and the layer is heated to 200° C. or higher and 400° C. or lower in an inactive gas atmosphere; selecting a positive electrode satisfying the following formulas: y

Abstract translation: 一种通过在正极芯材上涂布正极合剂制备正极来制造非水电解质二次电池的方法，该混合物含有主要由锂镍复合氧化物制成的正极活性物质和含有 聚偏氟乙烯; 测量当正极混合物层从正极中除去并且在惰性气体气氛中将层加热至200℃以上且400℃以下时产生的二氧化碳气体的量; 选择满足以下公式的正极：y <（0.27x-51）/ 1000000（200＆nlE; x <400）式1 y <57/1000000（400＆nlE; x＆nlE; 1500）式2其中x是加热温度 C.），y是测量每1g镍镍复合氧化物的二氧化碳气体量（摩尔/ g）; 并通过使用所选择的正极制备非水电解质二次电池。