公开(公告)号：US20090220862A1

公开(公告)日：2009-09-03

申请号：US12372751

申请日：2009-02-18

申请人： Tatsuya Toyama ,  Kazushige Kohno

发明人： Tatsuya Toyama ,  Kazushige Kohno

IPC分类号： H01M4/50

CPC分类号： H01M4/131 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  Y02T10/7011

摘要： To provide a lithium secondary battery excellent in the life characteristic and the power density. A lithium secondary battery, comprising: a positive electrode capable of intercalating and deintercalating lithium; and an negative electrode capable of intercalating and deintercalating lithium, wherein the positive electrode contains a manganese-containing positive electrode active material of a spinel structure and an oxide that coats the surface of this positive electrode active material, wherein the oxide contains a metallic element, wherein the metallic element forms a solid solution with the positive electrode active material, and wherein the atomic concentration of the metallic element is approximately 0 at depths of from 50 to 100 nm from an external surface of the negative electrode.

摘要翻译： 提供寿命特性和功率密度优异的锂二次电池。 一种锂二次电池，包括：能够插入和脱嵌锂的正极; 以及能够嵌入和脱嵌锂的负极，其中所述正极含有尖晶石结构的含锰正极活性物质和涂覆所述正极活性物质的表面的氧化物，其中所述氧化物含有金属元素， 其中所述金属元素与所述正极活性物质形成固溶体，并且其中所述金属元素的原子浓度在距所述负极的外表面50至100nm的深度处大约为0。

公开(公告)号：US20130122371A1

公开(公告)日：2013-05-16

申请号：US13736191

申请日：2013-01-08

申请人： Tatsuya Toyama ,  Kazushige Kohno

发明人： Tatsuya Toyama ,  Kazushige Kohno

IPC分类号： H01M4/131

CPC分类号： H01M4/131 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  Y02T10/7011

摘要： To provide a lithium secondary battery excellent in the life characteristic and the power density. A lithium secondary battery, comprising: a positive electrode capable of intercalating and deintercalating lithium; and an negative electrode capable of intercalating and deintercalating lithium, wherein the positive electrode contains a manganese-containing positive electrode active material of a spinel structure and an oxide that coats the surface of this positive electrode active material, wherein the oxide contains a metallic element, wherein the metallic element forms a solid solution with the positive electrode active material, and wherein the atomic concentration of the metallic element is approximately 0 at depths of from 50 to 100 nm from an external surface of the negative electrode.

公开(公告)号：US08357467B2

公开(公告)日：2013-01-22

申请号：US12372751

申请日：2009-02-18

申请人： Tatsuya Toyama ,  Kazushige Kohno

发明人： Tatsuya Toyama ,  Kazushige Kohno

IPC分类号： H01M4/48

CPC分类号： H01M4/131 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  Y02T10/7011

摘要： To provide a lithium secondary battery excellent in the life characteristic and the power density. A lithium secondary battery, comprising: a positive electrode capable of intercalating and deintercalating lithium; and an negative electrode capable of intercalating and deintercalating lithium, wherein the positive electrode contains a manganese-containing positive electrode active material of a spinel structure and an oxide that coats the surface of this positive electrode active material, wherein the oxide contains a metallic element, wherein the metallic element forms a solid solution with the positive electrode active material, and wherein the atomic concentration of the metallic element is approximately 0 at depths of from 50 to 100 nm from an external surface of the negative electrode.

摘要翻译： 提供寿命特性和功率密度优异的锂二次电池。 一种锂二次电池，包括：能够插入和脱嵌锂的正极; 以及能够嵌入和脱嵌锂的负极，其中所述正极含有尖晶石结构的含锰正极活性物质和涂覆所述正极活性物质的表面的氧化物，其中所述氧化物含有金属元素， 其中所述金属元素与所述正极活性物质形成固溶体，并且其中所述金属元素的原子浓度在距所述负极的外表面50至100nm的深度处大约为0。

公开(公告)号：US08951448B2

公开(公告)日：2015-02-10

申请号：US13034601

申请日：2011-02-24

申请人： Tatsuya Toyama ,  Kazushige Kohno

发明人： Tatsuya Toyama ,  Kazushige Kohno

IPC分类号： H01M4/48 ,  H01M10/42 ,  H01M4/50 ,  H01M4/505 ,  H01M4/52

CPC分类号： H01M4/48 ,  H01M4/50 ,  H01M4/505 ,  H01M4/52 ,  H01M10/42 ,  Y02E60/122

摘要： A cathode material for a lithium secondary battery capable of stably suppressing manganese dissolution even under high temperature and voltage conditions is provided. Further, by using the cathode material for a lithium secondary battery, a lithium secondary battery excellent in a charge/discharge cycle profile at a high temperature and a secondary battery module equipped with the battery are provided. The cathode material for a lithium secondary battery comprises a lithium manganese composite oxide and a coating layer formed on the surface of the lithium manganese composite oxide. The coating layer includes an oxide compound or a fluoride compound each containing M (wherein, M is at least one element selected from the group of Mg, Al and Cu), and a phosphorous compound. An atomic density of M at the side of the lithium manganese composite oxide in the coating layer is higher than an atomic density of M at the side of a surface layer of the coating layer facing to the electrolyte.

摘要翻译： 提供了即使在高温和高压条件下即使稳定地抑制锰溶解的锂二次电池用正极材料。 此外，通过使用用于锂二次电池的阴极材料，提供了在高温下充电/放电循环曲线优异的锂二次电池和配备有电池的二次电池模块。 用于锂二次电池的阴极材料包括锂锰复合氧化物和形成在锂锰复合氧化物表面上的涂层。 涂层包括各自含有M（其中，M是选自Mg，Al和Cu中的至少一种元素）的氧化物化合物或氟化物，以及磷化合物。 在涂层中的锂锰复合氧化物侧的M的原子密度高于在面向电解质的涂层的表面层侧的M的原子密度。

公开(公告)号：US20110059351A1

公开(公告)日：2011-03-10

申请号：US12858459

申请日：2010-08-18

申请人： Kazushige Kohno ,  Tatsuya Toyama ,  Eiji Seki

发明人： Kazushige Kohno ,  Tatsuya Toyama ,  Eiji Seki

IPC分类号： H01M2/02

CPC分类号： H01M10/0525 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0569

摘要： A lithium ion secondary battery comprising a positive electrode plate containing a positive electrode active material, a negative electrode plate containing a negative electrode active material, a separator, an electrolyte, and a battery can for enclosing these, wherein the positive electrode active material comprises manganese spinel and a layer-type lithium manganese oxide, and the electrolyte comprises vinylene carbonate and unsaturated sultone.

摘要翻译： 一种锂离子二次电池，其包含含有正极活性物质的正极板，含有负极活性物质的负极板，隔膜，电解质和电池壳体，其中，所述正极活性物质包含锰 尖晶石和层状锂锰氧化物，电解质包括碳酸亚乙烯酯和不饱和磺内酯。

公开(公告)号：US08192871B2

公开(公告)日：2012-06-05

申请号：US12388580

申请日：2009-02-19

申请人： Hiroshi Haruna ,  Kazushige Kohno ,  Eiji Seki ,  Yoshiaki Kumashiro

发明人： Hiroshi Haruna ,  Kazushige Kohno ,  Eiji Seki ,  Yoshiaki Kumashiro

IPC分类号： H01M4/13

CPC分类号： H01M10/0525 ,  H01M10/0569 ,  H01M10/446 ,  H01M2300/004 ,  Y10T29/4911

摘要： To provide a lithium secondary battery which suppresses a decrease in the charge and discharge efficiency during a battery storage test and which is excellent in maintaining the battery capacity after the storage test. There are disclosed a nonaqueous lithium battery, comprising: a positive electrode active material comprising a lithium-containing oxide capable of inserting and detaching lithium ions; a negative electrode active material comprising a carbon material capable of inserting and detaching lithium ions; and an electrolytic solution containing a lithium ion, wherein the surface of the negative electrode active material after initializing charging is coated with a compound derived from vinylene carbonate, and wherein a weight power density of the lithium battery is no less than 100 Wh/kg, and a method of producing a nonaqueous lithium battery comprising a step of sealing a positive electrode active material, a negative electrode active material, and a nonaqueous electrolytic solution using a sealed container, wherein a predetermined amount of vinylene carbonate is added into the nonaqueous electrolytic solution, and the initializing charging is carried out to form a coating on the surface of the negative electrode active material, the coating being derived from the vinylene carbonate.

摘要翻译： 提供一种锂二次电池，其抑制电池存储试验期间的充放电效率的降低，并且在保存试验后保持电池容量优异。 公开了一种非水锂电池，其包括：正极活性物质，其包含能够插入和分离锂离子的含锂氧化物; 包含能够插入和分离锂离子的碳材料的负极活性材料; 以及含有锂离子的电解液，其中，初始化充电后的负极活性物质的表面涂布有碳酸亚乙烯酯衍生的化合物，其中锂电池的重量功率密度为100Wh / kg以上， 以及一种制造非水锂电池的方法，包括使用密封容器密封正极活性物质，负极活性物质和非水电解液的步骤，其中将预定量的碳酸亚乙烯酯加入到非水电解液 ，并进行初始化充电以在负极活性材料的表面上形成涂层，该涂层源自碳酸亚乙烯酯。

公开(公告)号：US08883358B2

公开(公告)日：2014-11-11

申请号：US13807028

申请日：2010-07-02

申请人： Shin Takahashi ,  Kazuhiro Yoshida ,  Kazushige Kohno

发明人： Shin Takahashi ,  Kazuhiro Yoshida ,  Kazushige Kohno

IPC分类号： H01M12/08 ,  H01M4/90 ,  H01M10/052 ,  H01M4/38 ,  H01M4/86

CPC分类号： H01M12/08 ,  H01M4/38 ,  H01M4/382 ,  H01M4/8615 ,  H01M4/8647 ,  H01M4/8668 ,  H01M4/90 ,  H01M4/9016 ,  H01M10/052 ,  H01M2004/8689 ,  Y02E60/128 ,  Y02E60/50 ,  Y02T10/7011

摘要： An object of the invention is to reduce the charging overvoltage by using a positive electrode member which does not contain a carbon material that causes the generation of lithium carbonate (Li2CO3), and which comprises a metal porous material, thereby suppressing the formation of lithium carbonate (Li2CO3). The metal air secondary battery of the invention is characterized by having a negative electrode member which has metal ions occluded therein and emits metal ions, a positive electrode member which ionizes oxygen, and a separator which is impregnated with an electrolyte and disposed between the negative electrode member and the positive electrode member, wherein the carbon weight in the total weight of a carrier, a catalyst, and a binder constituting the positive electrode member is 50% or less.

摘要翻译： 本发明的目的是通过使用不含碳酸锂（Li 2 CO 3）的碳材料的正极构件来减少充电过电压，并且包括金属多孔材料，从而抑制碳酸锂的形成 （Li 2 CO 3）。 本发明的金属空气二次电池的特征在于，具有在其内吸附有金属离子而发出金属离子的负极部件，将氧离子化的正极部件和浸渍有电解质的隔膜配置在负极 构件和正极构件，其中构成正极构件的载体，催化剂和粘合剂的总重量中的碳重量为50％以下。

公开(公告)号：US20130101907A1

公开(公告)日：2013-04-25

申请号：US13807028

申请日：2010-07-02

申请人： Shin Takahashi ,  Kazuhiro Yoshida ,  Kazushige Kohno

发明人： Shin Takahashi ,  Kazuhiro Yoshida ,  Kazushige Kohno

IPC分类号： H01M12/08

CPC分类号： H01M12/08 ,  H01M4/38 ,  H01M4/382 ,  H01M4/8615 ,  H01M4/8647 ,  H01M4/8668 ,  H01M4/90 ,  H01M4/9016 ,  H01M10/052 ,  H01M2004/8689 ,  Y02E60/128 ,  Y02E60/50 ,  Y02T10/7011

摘要： An object of the invention is to reduce the charging overvoltage by using a positive electrode member which does not contain a carbon material that causes the generation of lithium carbonate (Li2CO3), and which comprises a metal porous material, thereby suppressing the formation of lithium carbonate (Li2CO3). The metal air secondary battery of the invention is characterized by having a negative electrode member which has metal ions occluded therein and emits metal ions, a positive electrode member which ionizes oxygen, and a separator which is impregnated with an electrolyte and disposed between the negative electrode member and the positive electrode member, wherein the carbon weight in the total weight of a carrier, a catalyst, and a binder constituting the positive electrode member is at least 50% or less.

摘要翻译： 本发明的目的是通过使用不含碳酸锂（Li 2 CO 3）的碳材料的正极构件来减少充电过电压，并且包括金属多孔材料，从而抑制碳酸锂的形成 （Li 2 CO 3）。 本发明的金属空气二次电池的特征在于，具有在其内吸附有金属离子而发出金属离子的负极部件，将氧离子化的正极部件和浸渍有电解质的隔膜配置在负极 构件和正极构件，其中构成正极构件的载体，催化剂和粘合剂的总重量中的碳重量为至少50％以下。

公开(公告)号：US20110281178A1

公开(公告)日：2011-11-17

申请号：US13105066

申请日：2011-05-11

申请人： Toshiyuki KOBAYASHI ,  Kazushige Kohno

发明人： Toshiyuki KOBAYASHI ,  Kazushige Kohno

IPC分类号： H01M10/056

CPC分类号： H01M10/0525 ,  H01M10/0567 ,  H01M10/0569 ,  H01M10/4235 ,  H01M2300/0028 ,  H01M2300/0031 ,  H01M2300/0042

摘要： A nonaqueous electrolyte and a lithium-ion secondary battery using the same, wherein a mixture of a cyclic carbonate, a chain carbonate, a first phosphoric acid ester wherein bonding between carbons is a single bond, and a second phosphoric acid ester wherein bonding between carbons contains a double bond is used as the nonaqueous electrolyte. It is desirable that the first phosphoric acid ester is a trimethyl phosphate. In addition, it is desirable that the second phosphoric acid ester is a dimethylisopropenyl phosphate.

摘要翻译： 一种非水电解质和使用该非水电解质的锂离子二次电池，其中环状碳酸酯，链状碳酸酯，碳键合为单键的第一磷酸酯和碳键之间的第二磷酸酯的混合物 含有双键作为非水电解质。 第一磷酸酯是磷酸三甲酯是理想的。 此外，优选第二磷酸酯是二甲基异丙烯基磷酸酯。

公开(公告)号：US08029934B2

公开(公告)日：2011-10-04

申请号：US11782008

申请日：2007-07-24

申请人： Hiroshi Haruna ,  Eiji Hoshi ,  Kazushige Kohno

发明人： Hiroshi Haruna ,  Eiji Hoshi ,  Kazushige Kohno

IPC分类号： H01M6/16 ,  H01M6/04

CPC分类号： H01M10/0567 ,  H01M4/131 ,  H01M4/133 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0569 ,  Y02T10/7011

摘要： The present invention provides a battery that experiences a small degree of temporal change from the initial battery properties over the long term storage period of the battery. Specifically, the present invention provides a lithium secondary battery, in which a positive electrode capable of storing and releasing lithium and a negative electrode capable of storing and releasing lithium are formed via an electrolyte, wherein: the electrolyte comprises a cyclic solvent and a chain-type solvent and contains a compound having a boron-oxygen bond (B—O) and a carbon-carbon double bond (C═C).

摘要翻译： 本发明提供了一种电池，其在电池的长期存储期间经历与初始电池性质的小的时间变化程度。 具体而言，本发明提供一种锂二次电池，其中通过电解质形成能够储存和释放锂的正极和能够储存和释放锂的负极，其中：所述电解质包含环状溶剂和链状 - 并含有具有硼 - 氧键（B-O）和碳 - 碳双键（C = C）的化合物。