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    • 24. 发明授权
    • Electric storage device
    • 蓄电装置
    • US08283072B2
    • 2012-10-09
    • US12206843
    • 2008-09-09
    • Nobuo AndoKenji KojimaYukinori Hatou
    • Nobuo AndoKenji KojimaYukinori Hatou
    • H01M10/40H01M4/72
    • H01M10/0525H01M4/13H01M4/137H01M4/366H01M4/587H01M4/661H01M4/70H01M4/74H01M4/80H01M10/0413H01M10/058Y02T10/7011
    • An electric storage device has positive and negative electrode systems. The positive electrode system includes a positive electrode having a current collector and a positive-electrode mixture layer. The negative electrode system includes a negative electrode having a current collector and a negative-electrode mixture layer. The negative electrode system further includes a first negative-electrode mixture layer and a second negative-electrode mixture layer, which are connected to each other and which include at least one different material or have different material composition ratios. The first negative-electrode mixture layer and the second negative-electrode mixture layer have different charge/discharge characteristics. A through-hole is formed in the current collector arranged between the first negative-electrode mixture layer and the second negative-electrode mixture layer.
    • 蓄电装置具有正极和负极系统。 正极系包括具有集电体和正极复合层的正极。 该负极系统包括具有集电体和负极混合层的负极。 负极系统还包括彼此连接并且包括至少一种不同材料或具有不同材料组成比的第一负极混合物层和第二负极混合物层。 第一负电极混合层和第二负电极混合层具有不同的充放电特性。 在布置在第一负极混合层和第二负电极混合层之间的集电体中形成通孔。
    • 30. 发明申请
    • MANUFACTURING PROCESS OF ELECTRODE
    • 电极制造工艺
    • US20090242507A1
    • 2009-10-01
    • US12408865
    • 2009-03-23
    • Nobuo AndoMitsuru Nagai
    • Nobuo AndoMitsuru Nagai
    • C23F1/00
    • H01M4/0404H01M4/0459H01M4/139H01M4/1395H01M4/70H01M10/052
    • A resist layer is formed over one surface of a current-collector material, while a resist layer having a predetermined pattern is formed on the other surface of the current-collector material. Through-holes are formed on the current-collector material through an etching process. An electrode slurry is applied onto the current-collector material formed with the through-holes without removing the resist layers. Specifically, since the through-holes are closed by the resist layer, the electrode slurry does not pass through the through-holes to leak out. Therefore, the current-collector material can be conveyed in the horizontal direction, whereby the productivity of an electrode can be enhanced. The resist layers are made of PVdF, and the resist layers are removed in a heating and drying step in which the PVdF is dissolved.
    • 在集电体材料的一个表面上形成抗蚀剂层,同时在集电体材料的另一个表面上形成具有预定图案的抗蚀剂层。 通过蚀刻工艺在集电体材料上形成通孔。 将电极浆料施加到形成有通孔的集电体材料上,而不去除抗蚀剂层。 具体地,由于通孔被抗蚀剂层封闭,所以电极浆料不通过通孔而泄漏。 因此,可以在水平方向上输送集电体材料,从而可以提高电极的生产率。 抗蚀剂层由PVdF制成,并且在PVdF溶解的加热和干燥步骤中除去抗蚀剂层。