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    • 5. 发明授权
    • Negative electrode material for use in lithium-ion secondary battery and
process for producing the same
    • 用于锂离子二次电池的负极材料及其制造方法
    • US5792577A
    • 1998-08-11
    • US755258
    • 1996-11-22
    • Hiroshi EjiriYoshinori YamazakiHideyuki NakajimaYoshiyuki Nishimura
    • Hiroshi EjiriYoshinori YamazakiHideyuki NakajimaYoshiyuki Nishimura
    • D01F9/145C01B31/02C01B31/04H01M4/583H01M10/05H01M4/62
    • H01M4/587
    • A negative electrode material for use in lithium-ion secondary batteries, comprising milled pitch-based graphite fibers (A) obtained by graphitization at 2400.degree. C. or higher and milled pitch-based carbon fibers (B) obtained by carbonization at 550.degree. to 1300.degree. C. In this negative electrode material, it is preferred that both the milled pitch-based graphite fibers (A) and the milled pitch-based carbon fibers (B) have an average particle size of 10 to 30 .mu.m, that the ratio of milled pitch-based carbon and graphite fibers having a particle size of 5 .mu.m or less to all the milled pitch-based carbon and graphite fibers is not greater than 10% by weight and that the milled pitch-based graphite fibers (A) and the milled pitch-based carbon fibers (B) are blended at a weight ratio (A/B) of 95/5 to 40/60. A negative electrode which has a large capacity at the time of having been stabilized, exhibits a high charge and discharge efficiency at the initial stage and is excellent in charge and discharge cycle characteristics can be provided by the blending of milled pitch-based carbon fibers with milled pitch-based graphite fibers.
    • 一种用于锂离子二次电池的负极材料,包括通过在2400℃以上的石墨化获得的磨碎沥青类石墨纤维(A)和通过在550℃下碳化获得的研磨沥青类碳纤维(B) 1300℃。在该负极材料中,优选研磨的沥青类石墨纤维(A)和碾磨沥青类碳纤维(B)的平均粒径为10〜30μm, 与所有研磨沥青类碳纤维和石墨纤维相比,粒径为5μm以下的研磨沥青类碳纤维和石墨纤维的比例为10重量%以下,研磨沥青类石墨纤维(A )和研磨的沥青类碳纤维(B)以95/5至40/60的重量比(A / B)共混。 在稳定化时具有大容量的负极在初始阶段具有高的充放电效率,并且充放电循环特性优异,可以通过将研磨的沥青类碳纤维与 研磨的沥青基石墨纤维。
    • 7. 发明授权
    • Rotation-preventing member and scroll compressor
    • 防旋转构件和涡旋压缩机
    • US08241022B2
    • 2012-08-14
    • US12441517
    • 2007-09-19
    • Hideyuki Nakajima
    • Hideyuki Nakajima
    • F03C2/00F03C4/00F04C18/00
    • F04C18/0215F01C17/066F04C18/0253F04C23/008F04C29/0057
    • A rotation-preventing member has an annular main body, first keys, and second keys. The first keys face one another across a main body axis, and extend to one side along an axial direction of the main body. The first keys have first surfaces that include the axial direction and a radial direction of the main body. The second keys face one another across an imaginary surface being parallel to the first surfaces and including the axis, and the second keys extend to the same side as the first keys extend to or the side opposite to the first keys along the axial direction. The second keys also have third surfaces orthogonal to the first surfaces and including the axial direction. Of the first keys and second keys, at least the first keys are provided with recesses that open onto end surfaces on the side toward which the keys extend.
    • 旋转防止构件具有环形主体,第一键和第二键。 第一键在主体轴线上彼此面对,并且沿着主体的轴向延伸到一侧。 第一键具有包括主体的轴向和径向方向的第一表面。 第二键彼此面对平行于第一表面并且包括轴的假想表面,并且第二键延伸到与第一键相对的第一键沿着轴向方向延伸到第一键或与第一键相反的一侧。 第二键还具有与第一表面正交并且包括轴向方向的第三表面。 在第一按键和第二键中,至少第一键设置有凹口,该凹槽在键延伸的一侧的端面上打开。