-
公开(公告)号：US09735422B2
公开(公告)日：2017-08-15
申请号：US14122973
申请日：2012-05-10
Applicant: Keiichi Hayashi , Manabu Miyoshi , Takayuki Hirose , Hitotoshi Murase , Hideyuki Morimoto , Shin-ichi Tobishima
Inventor： Keiichi Hayashi , Manabu Miyoshi , Takayuki Hirose , Hitotoshi Murase , Hideyuki Morimoto , Shin-ichi Tobishima
CPC classification number: H01M4/364 , B82Y30/00 , C01G49/06 , C01P2002/50 , C01P2002/72 , C01P2004/03 , C01P2004/16 , C01P2004/54 , C01P2004/62 , C01P2006/12 , C01P2006/14 , H01M4/485 , H01M4/525 , H01M10/0525 , H01M2004/021
Abstract: Provided is a negative-electrode active material, which is capable of constituting a lithium ion secondary cell exhibiting excellent cell characteristics.The negative-electrode active material for a lithium ion secondary cell of the invention includes a mixed material of silicon oxide particles composed of silicon oxide and rod-shaped iron oxide particles composed of iron oxide. It is preferable to use iron oxide particles having a plurality of pores in a surface, and an electrode reaction is effectively carried out.
-
公开(公告)号：US20150357639A1
公开(公告)日：2015-12-10
申请号：US14763801
申请日：2013-12-25
Applicant: Hide MORIMOTO , Shin-ichi TOBISHIMA , Yohei SHINDO , NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hideyuki MORIMOTO , Shin-ichi TOBISHIMA , Yohei SHINDO
IPC: H01M4/36 , H01M10/0525 , H01M4/58
CPC classification number: H01M4/366 , C01B25/40 , H01G11/06 , H01G11/30 , H01G11/50 , H01M4/13 , H01M4/505 , H01M4/5825 , H01M10/0525 , H01M2220/20 , H01M2220/30 , Y02E60/122 , Y02E60/13
Abstract: The main object of the present invention is to provide an active material which is used for an electrochemical device utilizing Li ion conduction, and capable of improving cycle stability. The present invention attains the object by providing an active material used for an electrochemical device utilizing Li ion conduction, comprising an active substance capable of absorbing and releasing a Li ion, and an Na ion conductor disposed on the surface of the active substance and having a polyanionic structure.
Abstract translation: 本发明的主要目的是提供一种活性物质，其用于利用Li离子传导的电化学装置，并能够提高循环稳定性。 本发明的目的是提供一种利用Li离子传导的电化学装置的活性物质，其包括能够吸收和释放Li离子的活性物质，以及设置在活性物质表面上的Na离子导体， 聚阴离子结构。
-
3.发明授权公开(公告)号：US08986883B2
公开(公告)日：2015-03-24
申请号：US13504767
申请日：2010-11-10
Applicant: Hideyuki Morimoto , Shin-ichi Tobishima
Inventor： Hideyuki Morimoto , Shin-ichi Tobishima
CPC classification number: H01M4/525 , H01M4/131 , H01M4/1391 , H01M4/621 , H01M4/622 , H01M2004/027 , Y02E60/122 , Y02P70/54
Abstract: A negative electrode for a lithium secondary battery, in which α-Fe2O3 that is low in cost, has little environmental impact and has high theoretical capacity is used as an active material, maintains high adhesiveness between a current collector and an electrode layer, and can simultaneously achieve both of an improvement in the cycle characteristics and high capacity. In a negative electrode for a lithium secondary battery, which is configured of a current collector, and an electrode layer that is formed on the current collector and contains at least a negative electrode active material, a conductive assistant and a binder component, the negative electrode active material is composed of α-Fe2O3 particles that generate a conversion electrode reaction, the binder component is a mixture of polyamide acid and partially imidized polyamide acid. The electrode layer is configured so that a concentration of the binder component decreases as distanced from the current collector.
Abstract translation: 作为活性物质，使用低成本的α-Fe 2 O 3，环境影响小，理论容量大的锂二次电池用负极，在集电体与电极层之间保持高粘合性， 同时实现循环特性和高容量的改善。 在由集电体构成的锂二次电池用负极和形成在集电体上的至少含有负极活性物质，导电助剂和粘合剂成分的电极层中，负极 活性材料由产生转化电极反应的α-Fe2O3颗粒组成，粘合剂组分是聚酰胺酸和部分酰亚胺化的聚酰胺酸的混合物。 电极层被构造成使得粘合剂组分的浓度随着集电体的间隔而减小。
-
Patent Agency Ranking
公开(公告)号：US20140106226A1
公开(公告)日：2014-04-17
申请号：US14122973
申请日：2012-05-10
Applicant: Keiichi Hayashi , Manabu Miyoshi , Takayuki Hirose , Hitotoshi Murase , Hideyuki Morimoto , Shin-ichi Tobishima
Inventor： Keiichi Hayashi , Manabu Miyoshi , Takayuki Hirose , Hitotoshi Murase , Hideyuki Morimoto , Shin-ichi Tobishima
IPC: H01M4/36
CPC classification number: H01M4/364 , B82Y30/00 , C01G49/06 , C01P2002/50 , C01P2002/72 , C01P2004/03 , C01P2004/16 , C01P2004/54 , C01P2004/62 , C01P2006/12 , C01P2006/14 , H01M4/485 , H01M4/525 , H01M10/0525 , H01M2004/021
Abstract: Provided is a negative-electrode active material, which is capable of constituting a lithium ion secondary cell exhibiting excellent cell characteristics.The negative-electrode active material for a lithium ion secondary cell of the invention includes a mixed material of silicon oxide particles composed of silicon oxide and rod-shaped iron oxide particles composed of iron oxide. It is preferable to use iron oxide particles having a plurality of pores in a surface, and an electrode reaction is effectively carried out.
Abstract translation: 提供一种负极活性物质，其能够构成表现出优异的电池特性的锂离子二次电池。 本发明的锂离子二次电池用负极活性物质包括由氧化硅构成的氧化硅粒子和由氧化铁构成的棒状氧化铁粒子的混合物。 优选在表面使用具有多个孔的氧化铁颗粒，并且有效地进行电极反应。
-
5.发明授权
公开(公告)号：US5834139A
公开(公告)日：1998-11-10
申请号：US673054
申请日：1996-07-01
Applicant: Takahisa Shodai , Shigeto Okada , Shin-ichi Tobishima , Jun-ichi Yamaki
Inventor： Takahisa Shodai , Shigeto Okada , Shin-ichi Tobishima , Jun-ichi Yamaki
CPC classification number: H01M10/0525 , H01M4/581 , H01M4/505 , H01M4/525 , H01M4/5825 , Y02P70/54
Abstract: A negative electrode material for use in lithium secondary batteries contains a negative electrode active material container made from an amorphous transition metal nitride containing lithium represented by the chemical formula Li.sub.1+x M.sub.y N, where M represents one or more elements selected from; a transition metal, group IIIA, group IVA, and group VA, and contains at least a transition metal, x is within the range from -0.2 to 2.0, and y is within the range from 0.1 to 0.6.
Abstract translation: 用于锂二次电池的负极材料包含由包含由化学式Li1 + xMyN表示的锂的非晶过渡金属氮化物制成的负极活性物质容器，其中M表示选自下列的一种或多种元素： 过渡金属，IIIA族，IVA族和VA族，并且至少含有过渡金属，x在-0.2至2.0的范围内，y在0.1至0.6的范围内。
-
6.发明申请公开(公告)号：US20120214063A1
公开(公告)日：2012-08-23
申请号：US13504767
申请日：2010-11-10
Applicant: Hideyuki Morimoto , Shin-ichi Tobishima
Inventor： Hideyuki Morimoto , Shin-ichi Tobishima
CPC classification number: H01M4/525 , H01M4/131 , H01M4/1391 , H01M4/621 , H01M4/622 , H01M2004/027 , Y02E60/122 , Y02P70/54
Abstract: A negative electrode for a lithium secondary battery, in which α-Fe2O3 that is low in cost, has little environmental impact and has high theoretical capacity is used as an active material, maintains high adhesiveness between a current collector and an electrode layer, and can simultaneously achieve both of an improvement in the cycle characteristics and high capacity. In a negative electrode for a lithium secondary battery, which is configured of a current collector, and an electrode layer that is formed on the current collector and contains at least a negative electrode active material, a conductive assistant and a binder component, the negative electrode active material is composed of α-Fe2O3 particles that generate a conversion electrode reaction, the binder component is a mixture of polyamide acid and partially imidized polyamide acid. The electrode layer is configured so that a concentration of the binder component decreases as distanced from the current collector.
Abstract translation: 作为活性物质，使用低成本的α-Fe 2 O 3，环境影响小，理论容量大的锂二次电池用负极，在集电体与电极层之间保持高粘合性， 同时实现循环特性和高容量的改善。 在由集电体构成的锂二次电池用负极和形成在集电体上的至少含有负极活性物质，导电助剂和粘合剂成分的电极层中，负极 活性材料由产生转化电极反应的α-Fe2O3颗粒组成，粘合剂组分是聚酰胺酸和部分酰亚胺化的聚酰胺酸的混合物。 电极层被构造成使得粘合剂组分的浓度随着集电体的间隔而减小。
-
公开(公告)号：US5270134A
公开(公告)日：1993-12-14
申请号：US773809
申请日：1991-10-09
Applicant: Shin-Ichi Tobishima , Kunio Moriya
Inventor： Shin-Ichi Tobishima , Kunio Moriya
IPC: H01M4/48 , H01M4/485 , H01M6/16 , H01M10/052 , H01M10/0568 , H01M10/0569 , H01M10/36
CPC classification number: H01M4/485 , H01M10/052 , H01M10/0569 , H01M10/0568 , H01M6/164
Abstract: The present invention provides an electrolyte for use in a secondary lithium battery comprising (i) vanadium oxide-based cathode active material having a molar ratio of oxygen to vanadium between two and three, (ii) an anode active material selected from the group consisting of lithium, lithium ion dischargeable alloys, lithium ion dischargeable intercalation or insertion compounds, and (iii) an electrolyte solution of lithium salt(s) dissolved in a mixed organic solvent. The organic solvent is a mixture of three kinds of solvents, namely ethylene carbonate (EC), propylene carbonate (PC) and 2-methyltetrahydrofuran (2MeTHF) in the following ratio:EC (x)PC(y)2MeTHF(z)where x, y and z are volumetric mixing percentages of each solvent, and x+y+z=100, x 50 (or z
Abstract translation: 本发明提供一种用于二次锂电池的电解质，其包括（i）氧与钒的摩尔比在2和3之间的氧化钒类阴极活性物质，（ii）阳极活性物质，其选自 锂离子可放电合金，锂离子可放电插入或插入化合物，和（iii）溶解在混合有机溶剂中的锂盐的电解液。 有机溶剂是三种溶剂的混合物，即碳酸亚乙酯（EC），碳酸亚丙酯（PC）和2-甲基四氢呋喃（2MeTHF），其比例如下：EC（x）PC（y）2MeTHF（z）其中x ，y和z是每种溶剂的体积混合百分比，x + y + z = 100，x
-
公开(公告)号：US4737424A
公开(公告)日：1988-04-12
申请号：US925379
申请日：1986-10-31
Applicant: Shin-ichi Tobishima , Masayasu Arakawa , Toshiro Hirai , Jun-ichi Yamaki
Inventor： Shin-ichi Tobishima , Masayasu Arakawa , Toshiro Hirai , Jun-ichi Yamaki
IPC: H01M4/131 , H01M4/48 , H01M4/485 , H01M4/58 , H01M4/60 , H01M6/16 , H01M10/052 , H01M10/0568 , H01M10/0569 , H01M10/36
CPC classification number: H01M4/485 , H01M10/052 , H01M10/0569 , H01M4/5815 , H01M10/0568 , H01M2300/0037 , H01M4/131 , H01M4/581
Abstract: The present invention provides an electrolyte for use on a secondary lithium battery comprising amorphous V.sub.2 O.sub.5 base cathode active material, a metallic lithium base active material, and an electrolytic solution lithium salt dissolved in a mixed organic solvent. The organic solvent is ethylene carbonate mixed with one organic solvent of 2-methyltetrahydrofuran, 2,5-dimethyltetrahydrofuran, 1,3-dioxalan, 4-methyl-1,3-dioxalan, 1,2-dimethoxyethane, etc. The mixed ratio of ethylene carbonate ranges within 10 to 50%, and water content of the electrolytic solution ranges within 400 to 5 ppm, and the content of impurities other than water ranges within 1000 to 10 ppm. The resultant secondary lithium battery is excellent in charge-discharge cycle life.
Abstract translation: 本发明提供了一种用于二次锂电池的电解质，其包含非晶体V 2 O 5基底阴极活性材料，金属锂基活性材料和溶解在混合有机溶剂中的电解液锂盐。 有机溶剂是与2-甲基四氢呋喃，2,5-二甲基四氢呋喃，1,3-二氧杂环戊烷，4-甲基-1,3-二氧杂环戊烷，1,2-二甲氧基乙烷等的一种有机溶剂混合的碳酸亚乙酯。 碳酸亚乙酯的范围为10〜50％，电解液的含水量为400〜5ppm，水以外的杂质含量为1000〜10ppm以下。 所得二次锂电池的充放电循环寿命优异。
-
-
-
-
-
-
-
Search Results
8
records
(took 0.016 seconds)
