-
公开(公告)号：US07452636B2
公开(公告)日：2008-11-18
申请号：US10792281
申请日：2004-03-04
IPC分类号： H01M10/40
CPC分类号： H01M10/0525 , H01M4/133 , H01M4/587 , H01M10/0567 , H01M10/0569
摘要： A lithium secondary battery including a positive electrode, a negative electrode including a carbon material as an active material, and a nonaqueous electrolyte comprising a solute dissolved in a nonaqueous solvent in which γ-butyrolactone is the main solvent, wherein the carbon material has a ratio (ID/IG) of a Raman spectrum intensity (a peak intensity ratio) (R) obtained by Raman spectroscopy of 0.2 or greater, and the nonaqueous electrolyte includes at least 0.1 part by weight of vinylene carbonate and at least 0.1 part by weight of vinyl ethylene carbonate in 100 parts by weight of the nonaqueous electrolyte.
摘要翻译： 一种锂二次电池，包括正极，负极包含碳材料作为活性材料，以及非水电解质，其包含溶解在γ-丁内酯为主要溶剂的非水溶剂中的溶质，其中，所述碳材料的比例 （拉曼光谱学获得的拉曼光谱强度（峰值强度比）（R））为0.2以上的非水电解质，其中，非水电解质包含：（A / D） 至少0.1重量份的碳酸亚乙烯酯和至少0.1重量份的乙烯基碳酸亚乙酯在100重量份的非水电解质中。
-
公开(公告)号：US06869546B1
公开(公告)日：2005-03-22
申请号：US09576211
申请日：2000-05-23
申请人： Katsunori Yanagida , Atsushi Yanai , Takeshi Maeda , Yoshinori Kida , Atsuhiro Funahashi , Toshiyuki Nohma , Ikuo Yonezu
发明人： Katsunori Yanagida , Atsushi Yanai , Takeshi Maeda , Yoshinori Kida , Atsuhiro Funahashi , Toshiyuki Nohma , Ikuo Yonezu
CPC分类号： H01M4/583 , H01B1/04 , H01M4/13 , H01M4/366 , H01M10/0525 , H01M2004/021
摘要： For us in nonaqueous electrolyte secondary cells, the invention provides an electrode which comprises a first carbon material serving as a core material, and a second carbon material coating the first carbon material over the surface thereof and containing boron. When used as an active substance for negative electrode to provide a nonaqueous electrolyte secondary cell, the electrode diminishes the reduction of the cell capacity that would result if the cell is allowed to store, giving improved storage characteristics to the cell.
摘要翻译： 对于我们在非水电解质二次电池中，本发明提供了一种电极，其包括用作芯材料的第一碳材料和在其表面上涂覆第一碳材料并含有硼的第二碳材料。 当用作负极的活性物质以提供非水电解质二次电池时，电极减小了如果电池被允许存储而导致的电池容量的降低，给电池提供改进的储存特性。
-
公开(公告)号：US06620552B2
公开(公告)日：2003-09-16
申请号：US09841033
申请日：2001-04-25
申请人： Yoshinori Kida , Katsunori Yanagida , Atsushi Yanai , Atsuhiro Funahashi , Toshiyuki Nohma , Ikuo Yonezu
发明人： Yoshinori Kida , Katsunori Yanagida , Atsushi Yanai , Atsuhiro Funahashi , Toshiyuki Nohma , Ikuo Yonezu
IPC分类号： H01M1040
CPC分类号： H01M4/661 , H01M4/666 , H01M10/04 , H01M10/052 , H01M10/0567 , H01M10/0568
摘要： A lithium secondary battery according to the present invention includes a positive electrode in which an aluminum foil containing manganese is used as a current collector, a negative electrode, and a non-aqueous electrolyte solution formed by dissolving lithium salt in a non-aqueous solvent wherein divalent manganese salt is added to said non-aqueous electrolyte solution.
摘要翻译： 根据本发明的锂二次电池包括其中使用含有锰的铝箔作为集电体的正极，负极和通过将锂盐溶解在非水溶剂中而形成的非水电解质溶液，其中 向所述非水电解液中加入二价锰盐。
-
公开(公告)号：US20050053838A1
公开(公告)日：2005-03-10
申请号：US10897409
申请日：2004-07-23
IPC分类号： H01M4/131 , H01M4/525 , H01M4/62 , H01M10/05 , H01M10/052 , H01M10/0569 , H01M4/52 , H01M10/40
CPC分类号： H01M10/052 , H01M4/131 , H01M4/525 , H01M10/0569
摘要： Storage performance in a charged state is improved in a non-aqueous electrolyte battery that contains 10 volume % or more of γ-butyrolactone, which is highly safe and reliable, as a solvent. A non-aqueous electrolyte secondary battery has a positive electrode containing a positive electrode active material composed of a lithium-containing transition metal oxide containing lithium and cobalt, a negative electrode, and a non-aqueous electrolyte solution composed of a solute and a solvent. The solvent contains 10 volume % or more of γ-butyrolactone with respect to the total solvent, and the positive electrode active material contains a Group IVA element and a Group IIA element of the periodic table.
摘要翻译： 作为溶剂，含有10体积％以上的γ-丁内酯的非水电解质电池的充电状态的保存性能得到改善，其是高度安全和可靠的。 非水电解质二次电池具有含有由含锂和钴的含锂过渡金属氧化物，负极和由溶质和溶剂构成的非水电解质溶液构成的正极活性物质的正极。 相对于总溶剂，溶剂含有10体积％以上的γ-丁内酯，正极活性物质含有周期表的IVA族元素和IIA族元素。
-
公开(公告)号：US06537697B2
公开(公告)日：2003-03-25
申请号：US09737936
申请日：2000-12-18
申请人： Yoshinori Kida , Katsunori Yanagida , Atsushi Yanai , Atsuhiro Funahashi , Toshiyuki Nohma , Ikuo Yonezu
发明人： Yoshinori Kida , Katsunori Yanagida , Atsushi Yanai , Atsuhiro Funahashi , Toshiyuki Nohma , Ikuo Yonezu
IPC分类号： H01M1040
CPC分类号： H01M10/0568 , H01M6/168 , H01M6/40 , H01M10/052 , H01M2300/0037
摘要： The lithium secondary battery of this invention uses a nonaqueous electrolyte including lithium tetrakis(pentafluorophenyl)borate as a part or whole of an electrolytic salt. As a result, the lithium secondary battery exhibits better charge-discharge cycle performance than a lithium secondary battery using a conventional lithium salt as the electrolytic salt.
摘要翻译： 本发明的锂二次电池使用包含四（五氟苯基）硼酸锂的非水电解质作为电解盐的一部分或全部。 结果，与使用常规锂盐作为电解盐的锂二次电池相比，锂二次电池表现出更好的充放电循环性能。
-
6.发明授权公开(公告)号：US06235426B1
公开(公告)日：2001-05-22
申请号：US09398209
申请日：1999-09-17
申请人： Atsushi Yanai , Kazunari Ohkita , Katsunori Yanagida , Takeshi Maeda , Atsuhiro Funahashi , Yoshito Chikano , Toshiyuki Nohma , Ikuo Yonezu , Koji Nishio
发明人： Atsushi Yanai , Kazunari Ohkita , Katsunori Yanagida , Takeshi Maeda , Atsuhiro Funahashi , Yoshito Chikano , Toshiyuki Nohma , Ikuo Yonezu , Koji Nishio
IPC分类号： H01M466
CPC分类号： H01M10/4235 , H01M2/263 , H01M4/02 , H01M4/64 , H01M6/10 , H01M10/052 , H01M2200/106
摘要： A nonaqueous electrolyte secondary cell having a rolled-up electrode unit housed in a cell can and comprising a positive electrode and a negative electrode each formed by coating a surface of a striplike current collector with an electrode material. According to a first embodiment, the current collector of at least one of the positive electrode and the negative electrode comprises a plurality of current collector pieces 42 arranged along one direction and a PTC element 5 interconnecting each pair of adjacent current collector pieces 42. Alternatively with a second embodiment, at least one of the positive electrode and the negative electrode comprises a PTC element held between opposed faces of an uncoated portion of the current collector thereof and a base end portion of a current collector tab. The PTC element serves to prevent continuous occurrence of a current in excess of a predetermined value and realizes a high energy density.
摘要翻译： 具有容纳在电池中的卷绕电极单元的非水电解质二次电池可以包括通过用电极材料涂覆带状集电体的表面而形成的正极和负极。 根据第一实施例，正电极和负电极中的至少一个的集电器包括沿着一个方向布置的多个集电器片42和连接每对相邻集电器片42的PTC元件5。 在第二实施例中，正电极和负电极中的至少一个包括保持在其集电器的未涂覆部分的相对面和集电极片的基端部之间的PTC元件。 PTC元件用于防止超过预定值的电流的连续发生并且实现高能量密度。
-
7.发明授权Active substances, electrodes, nonaqueous electrolyte secondary cells, and a process for fabricating the active substances 失效活性物质，电极，非水电解质二次电池以及活性物质的制造方法公开(公告)号：US06368749B1
公开(公告)日：2002-04-09
申请号：US09597095
申请日：2000-06-20
申请人： Atsushi Yanai , Katsunori Yanagida , Takeshi Maeda , Atsuhiro Funahashi , Toshiyuki Nohma , Ikuo Yonezu
发明人： Atsushi Yanai , Katsunori Yanagida , Takeshi Maeda , Atsuhiro Funahashi , Toshiyuki Nohma , Ikuo Yonezu
IPC分类号： H01M458
CPC分类号： H01M4/525 , H01M4/366 , H01M4/485 , H01M4/505 , H01M10/052
摘要： The present invention provides a positive electrode of a nonaqueous electrolyte secondary cell which is prepared using an active substance containing a composition of LiNiaCobMcO2 (a+b+c=1;0≦c≦0.5) wherein M is at least one metal selected from among Mn, Fe, Zn, Ti, Cr, Mg, Al, Cu, or Ga and a composition of AlX(SO4)2 wherein X is at least one material selected from among Na, Rb, Cs, or NH4. This enables the secondary cell to diminish the reduction of a cell capacity when allowed to store and thus the storage characteristics of the secondary cell is improved.
摘要翻译： 本发明提供一种非水电解质二次电池的正极，其使用含有LiNiaCobMcO2（a + b + c = 1; 0 <= c <0.5）的组成的活性物质制备，其中M为至少一种选择的金属 Mn，Fe，Zn，Ti，Cr，Mg，Al，Cu或Ga中的一种以及Al（SO 4）2的组成，其中X为选自Na，Rb，Cs或NH 4中的至少一种。 这使得二次电池在允许存储时能够减小电池容量的降低，从而提高二次电池的存储特性。
-
公开(公告)号：US06458485B2
公开(公告)日：2002-10-01
申请号：US09819643
申请日：2001-03-29
申请人： Atsushi Yanai , Kazunari Ohkita , Katsunori Yanagida , Takeshi Maeda , Atsuhiro Funahashi , Yoshito Chikano , Toshiyuki Nohma , Ikuo Yonezu , Koji Nishio
发明人： Atsushi Yanai , Kazunari Ohkita , Katsunori Yanagida , Takeshi Maeda , Atsuhiro Funahashi , Yoshito Chikano , Toshiyuki Nohma , Ikuo Yonezu , Koji Nishio
IPC分类号： H01M466
CPC分类号： H01M10/4235 , H01M2/263 , H01M4/02 , H01M4/64 , H01M6/10 , H01M10/052 , H01M2200/106
摘要： A nonaqueous electrolyte secondary cell having a rolled-up electrode unit housed in a cell can and comprising a positive electrode and a negative electrode each formed by coating a surface of a striplike current collector with an electrode material. According to a first embodiment, the current collector of at least one of the positive electrode and the negative electrode comprises a plurality of current collector pieces 42 arranged along one direction and a PTC element 5 interconnecting each pair of adjacent current collector pieces 42. Alternatively with a second embodiment, at least one of the positive electrode and the negative electrode comprises a PTC element held between opposed faces of an uncoated portion of the current collector thereof and a base end portion of a current collector tab. The PTC element serves to prevent continuous occurrence of a current in excess of a predetermined value and realizes a high energy density.
摘要翻译： 具有容纳在电池中的卷绕电极单元的非水电解质二次电池可以包括通过用电极材料涂覆带状集电体的表面而形成的正极和负极。 根据第一实施例，正电极和负电极中的至少一个的集电器包括沿着一个方向布置的多个集电器片42和连接每对相邻集电器片42的PTC元件5。 在第二实施例中，正电极和负电极中的至少一个包括保持在其集电器的未涂覆部分的相对面和集电极片的基端部之间的PTC元件。 PTC元件用于防止超过预定值的电流的连续发生并且实现高能量密度。
-
公开(公告)号：US20050208384A1
公开(公告)日：2005-09-22
申请号：US11082050
申请日：2005-03-17
申请人： Atsushi Yanai , Yoshinori Kida , Toshiyuki Nohma
发明人： Atsushi Yanai , Yoshinori Kida , Toshiyuki Nohma
IPC分类号： H01M4/131 , H01M4/36 , H01M4/525 , H01M4/62 , H01M10/05 , H01M10/052 , H01M10/0567 , H01M10/0569 , H01M10/40 , H01M4/48 , H01M4/58
CPC分类号： H01M4/5825 , H01M4/13 , H01M4/131 , H01M4/366 , H01M4/525 , H01M10/0525 , H01M10/0569
摘要： Storage performance in a charged state is improved with a non-aqueous electrolyte secondary battery using gamma-butyrolactone as a solvent. A non-aqueous electrolyte secondary battery includes a positive electrode (2) containing a positive electrode active material including a lithium-containing transition metal oxide; a negative electrode (1) containing a negative electrode active material capable of intercalating and deintercalating lithium; and a non-aqueous electrolyte including a solute and a solvent; wherein the solvent contains 50 volume % or more of gamma-butyrolactone with respect to the total volume of the solvent, and the positive electrode active material contains a phosphate salt M1PO4, where M1 is a metal element capable of having a valency of 3.
摘要翻译： 使用γ-丁内酯作为溶剂的非水电解质二次电池改善了带电状态下的储存性能。 非水电解质二次电池包括含有含锂过渡金属氧化物的正极活性物质的正极（2） 含有能够嵌入和脱嵌锂的负极活性物质的负极（1） 和包含溶质和溶剂的非水电解质; 其中所述溶剂相对于所述溶剂的总体积含有50体积％以上的γ-丁内酯，所述正极活性物质含有磷酸盐M 1 PO 4 >，其中M 1是能够具有3价的金属元素。
-
公开(公告)号：US07378190B2
公开(公告)日：2008-05-27
申请号：US11082050
申请日：2005-03-17
申请人： Atsushi Yanai , Yoshinori Kida , Toshiyuki Nohma
发明人： Atsushi Yanai , Yoshinori Kida , Toshiyuki Nohma
IPC分类号： H01M4/48
CPC分类号： H01M4/5825 , H01M4/13 , H01M4/131 , H01M4/366 , H01M4/525 , H01M10/0525 , H01M10/0569
摘要： Storage performance in a charged state is improved with a non-aqueous electrolyte secondary battery using gamma-butyrolactone as a solvent. A non-aqueous electrolyte secondary battery includes a positive electrode (2) containing a positive electrode active material including a lithium-containing transition metal oxide; a negative electrode (1) containing a negative electrode active material capable of intercalating and deintercalating lithium; and a non-aqueous electrolyte including a solute and a solvent; wherein the solvent contains 50 volume % or more of gamma-butyrolactone with respect to the total volume of the solvent, and the positive electrode active material contains a phosphate salt M1PO4, where M1 is a metal element capable of having a valency of 3.
摘要翻译： 使用γ-丁内酯作为溶剂的非水电解质二次电池改善了带电状态下的储存性能。 非水电解质二次电池包括含有含锂过渡金属氧化物的正极活性物质的正极（2） 含有能够嵌入和脱嵌锂的负极活性物质的负极（1） 和包含溶质和溶剂的非水电解质; 其中所述溶剂相对于所述溶剂的总体积含有50体积％以上的γ-丁内酯，所述正极活性物质含有磷酸盐M 1 PO 4 >，其中M 1是能够具有3价的金属元素。
-
-
-
-
-
-
-
-
-
搜索结果
17 条记录 (耗时 0.02 秒)