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    • 1. 发明申请
      US20120027926A1 REFERENCE ELECTRODE, ITS MANUFACTURING METHOD, AND AN ELECTROCHEMICAL CELL 审中-公开
    • REFERENCE ELECTRODE, ITS MANUFACTURING METHOD, AND AN ELECTROCHEMICAL CELL
    • 参考电极，其制造方法和电化学细胞
    • US20120027926A1
    • 2012-02-02
    • US13193439
    • 2011-07-28
    • Takuhiro Miyuki , Takashi Mukai , Tetsuo Sakai , Yukio Yamakawa , Yoshiyuki Honjo , Hironori Yamasaki
    • Takuhiro Miyuki , Takashi Mukai , Tetsuo Sakai , Yukio Yamakawa , Yoshiyuki Honjo , Hironori Yamasaki
    • B05D5/12 , C25D3/42 , C25D7/06 , C25D3/56
    • H01M4/134 , H01M4/0426 , H01M4/0438 , H01M4/1395 , H01M4/36 , H01M4/366 , H01M4/661 , H01M4/667
    • [PROBLEM] The purpose of the present invention is to provide a reference electrode which is easy to manufacture and handle, its manufacturing method, and an electrochemical cell using this.[METHOD FOR SOLVING THE PROBLEM] The reference electrode 10 comprises a core material 11 extending parallel to the anode 14 or the cathode 16 from a terminal, a lithium membrane 12 coating from a tip of the core material 11 to a field with predetermined length, and an insulator 13 partially coating a field uncoated with the lithium membrane 12 on the core material 11. The material consisting of at least a surface of the core material 11 is a conductive material which is substantially unresponsive to lithium or lithium alloy. The maximum width in a cross section of the core material 11 is preferably in the range of not less than 5 micrometers but not more than 50 micrometers, and thickness of the lithium membrane is preferably in the range of not less than 0.1 micrometers but not more than 20 micrometers. By using the core material 11 with higher rigidity than lithium or lithium alloy, handling and manufacturing the reference material 10 is easy, for example, the material can be processed easily and its shape can be stabilized.[SELECTED FIGURE] FIG. 2
    • 本发明的目的是提供一种容易制造和处理的参比电极，其制造方法和使用该电极的电化学电池。 [解决问题的方法]参考电极10包括从端子平行于阳极14或阴极16延伸的芯材11，从芯材11的尖端涂覆到具有预定长度的磁场的锂膜12， 以及将芯膜材料11上的锂膜12未涂覆的场部分地覆盖的绝缘体13.由芯材11的至少一个表面构成的材料是对锂或锂合金基本上无响应的导电材料。 芯材11的截面的最大宽度优选为5μm以上且50μm以下的范围，锂膜的厚度优选为0.1μm以上，更优选为0.1μm以上 超过20微米。 通过使用具有比锂或锂合金更高的刚性的芯材11，容易进行参考材料10的处理和制造，例如可以容易地处理材料并且可以使其形状稳定。 [选择的图] 2
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 3. 发明授权
      US09065139B2 Fiber electrode for lithium secondary battery, fabrication method therefor, and lithium secondary battery including fiber electrode 有权
    • Fiber electrode for lithium secondary battery, fabrication method therefor, and lithium secondary battery including fiber electrode
    • US09065139B2
    • 2015-06-23
    • US13147769
    • 2010-02-02
    • Tetsuo Sakai , Jinhan Yao , Takashi Mukai , Tomoaki Takasaki , Kazuo Tsutsumi , Kazuya Nishimura
    • Tetsuo Sakai , Jinhan Yao , Takashi Mukai , Tomoaki Takasaki , Kazuo Tsutsumi , Kazuya Nishimura
    • H01M4/66 , H01M4/131 , H01M4/1391 , H01M4/62
    • H01M4/663 , H01M4/131 , H01M4/1391 , H01M4/623 , H01M4/667 , Y02E60/122 , Y02P70/54
    • Provided is a method for mass manufacturing, at low cost, of a fiber positive electrode for a lithium secondary battery, which has excellent charge/discharge cycle characteristics, and which is capable of charging/discharging with high current density, and a main active material of which is a lithium-doped transition metal oxide. The method includes the steps of: (a) forming a tubular coating of either a transition metal oxide or a transition metal hydroxide on a carbon fiber current collector; and (b) performing, in a lithium ion containing solution in a sealed system under presence of an oxidant or a reductant, heat treatment at 100 to 250° C. on the carbon fiber current collector, on which the tubular coating of either the transition metal oxide or the transition metal hydroxide is formed, to obtain a coating of a lithium-doped transition metal oxide on the carbon fiber current collector. Further provided are: a fiber negative electrode for a lithium secondary battery, which has high current density, high energy density, and excellent charge/discharge cycle characteristics, and which can be fabricated in a relatively easy manner; and a method for fabricating the fiber negative electrode. The fiber negative electrode for a lithium secondary battery includes: (c) a carbon fiber current collector; (d) an outer layer which is a tubular composite layer of a Sn oxide and MXOy formed on the carbon fiber current collector; and (e) an intermediate layer formed of a Sn alloy, which has a lithium occlusion capacity and which is present at an interface between the carbon fiber current collector and the outer layer. The method for fabricating the fiber negative electrode for a lithium secondary battery includes: forming a coating of one of Sn and a Sn alloy, and a coating of at least one kind of metal selected from the group consisting of Fe, Mo, Co, Ni, Cr, Cu, In, Sb, and Bi, on a carbon fiber current collector by an electroplating method; and then performing heat treatment on the carbon fiber current collector under a trace oxygen atmosphere at 350 to 650° C. Moreover, the lithium secondary battery includes: the fiber positive electrode and the fiber negative electrode fabricated in the above methods; and an electrolyte.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 10. 发明申请
      US20120040246A1 Fiber Electrode for Lithium Secondary Battery, Fabrication Method Therefor, and Lithium Secondary Battery Including Fiber Electrode 有权
    • Fiber Electrode for Lithium Secondary Battery, Fabrication Method Therefor, and Lithium Secondary Battery Including Fiber Electrode
    • US20120040246A1
    • 2012-02-16
    • US13147769
    • 2010-02-02
    • Tetsuo Sakai , Jinhan Yao , Takashi Mukai , Tomoaki Takasaki , Kazuo Tsutsumi , Kazuya Nishimura
    • Tetsuo Sakai , Jinhan Yao , Takashi Mukai , Tomoaki Takasaki , Kazuo Tsutsumi , Kazuya Nishimura
    • H01M4/131 , C25D7/00 , C25D3/02 , H01M4/62 , C25D5/54
    • H01M4/663 , H01M4/131 , H01M4/1391 , H01M4/623 , H01M4/667 , Y02E60/122 , Y02P70/54
    • Provided is a method for mass manufacturing, at low cost, of a fiber positive electrode for a lithium secondary battery, which has excellent charge/discharge cycle characteristics, and which is capable of charging/discharging with high current density, and a main active material of which is a lithium-doped transition metal oxide. The method includes the steps of: (a) forming a tubular coating of either a transition metal oxide or a transition metal hydroxide on a carbon fiber current collector; and (b) performing, in a lithium ion containing solution in a sealed system under presence of an oxidant or a reductant, heat treatment at 100 to 250° C. on the carbon fiber current collector, on which the tubular coating of either the transition metal oxide or the transition metal hydroxide is formed, to obtain a coating of a lithium-doped transition metal oxide on the carbon fiber current collector. Further provided are: a fiber negative electrode for a lithium secondary battery, which has high current density, high energy density, and excellent charge/discharge cycle characteristics, and which can be fabricated in a relatively easy manner; and a method for fabricating the fiber negative electrode. The fiber negative electrode for a lithium secondary battery includes: (c) a carbon fiber current collector; (d) an outer layer which is a tubular composite layer of a Sn oxide and MXOy formed on the carbon fiber current collector; and (e) an intermediate layer formed of a Sn alloy, which has a lithium occlusion capacity and which is present at an interface between the carbon fiber current collector and the outer layer. The method for fabricating the fiber negative electrode for a lithium secondary battery includes: forming a coating of one of Sn and a Sn alloy, and a coating of at least one kind of metal selected from the group consisting of Fe, Mo, Co, Ni, Cr, Cu, In, Sb, and Bi, on a carbon fiber current collector by an electroplating method; and then performing heat treatment on the carbon fiber current collector under a trace oxygen atmosphere at 350 to 650° C. Moreover, the lithium secondary battery includes: the fiber positive electrode and the fiber negative electrode fabricated in the above methods; and an electrolyte.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
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