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    • 3. 发明授权
    • Electrochemical cell having a controlled electrode surface and associated fabrication and chemical process
    • 具有受控电极表面和相关制造和化学过程的电化学电池
    • US06168878A
    • 2001-01-02
    • US09208895
    • 1998-12-10
    • Denis G. FauteuxMartin Van BurenEric S. Kolb
    • Denis G. FauteuxMartin Van BurenEric S. Kolb
    • H01M1034
    • H01M4/0442H01M4/0438H01M4/66H01M4/661
    • An electrochemical cell, and an associated process, wherein the cell includes a controlled electrode surface comprising an electrode with a metallic current collector having a surface, an electrolyte and a reduced additive. The invention further includes a passivating layer at the interface between the metallic current collector and the electrolyte. The passivating layer includes the reduced additive. This passivating layer substantially precludes contact between electrolyte solvent and surface of the metallic current collector to, in turn, substantially prevent gas formation within the cell, which would otherwise result from decomposition of the solvent upon contact with the surface of the metallic current collector. Also, the reduced additive will likewise be substantially precluded from generating a gas upon its decomposition.
    • 电化学电池和相关联的方法,其中所述电池包括受控电极表面,其包括具有带有表面的金属集流体的电极,电解质和还原性添加剂。 本发明还包括在金属集流体和电解质之间的界面处的钝化层。 钝化层包括还原添加剂。 该钝化层基本上排除了电解质溶剂和金属集流体表面之间的接触,从而基本上防止了电池内的气体形成,否则这些气体在与金属集流体的表面接触时分解溶剂会导致。 此外,还原添加剂同样基本上不会在其分解时产生气体。
    • 9. 发明授权
    • Cavitand electrolytic cell and electrolytic process
    • Cavitand电解槽和电解过程
    • US5547778A
    • 1996-08-20
    • US502109
    • 1995-07-13
    • Denis G. FauteuxMartin Van BurenJie Shi
    • Denis G. FauteuxMartin Van BurenJie Shi
    • H01M4/40H01M4/38H01M10/05H01M10/0567H01M10/24H01M2/38
    • H01M10/0567H01M10/05H01M4/02H01M4/381H01M10/24
    • An electrolytic cell, such as a rechargeable lithium battery, having cavitands associated with a metal ion source-electrode and an electrolyte. The cavitands, which are anchored to the electrode by a polymer leash, are capable of releasably attracting particular ions, such as lithium ions, which are migrating from the electrolyte, toward the surface of the electrode during electrodeposition. The polymer leash serves to continuously maintain the cavitands at a predetermined distance away from the surface of the electrode, regardless of surface area fluctuations, typically caused during deposition and dissolution of the particular ions. Accordingly, the cavitands facilitate substantially uniform electrodeposition of the particular ions, which, in turn, substantially suppresses and/or controls the formation and growth of a passive film or layer, on the electrode surface, which may otherwise promote the formation of dendrites.
    • 具有与金属离子源电极和电解质相关联的空穴的诸如可再充电锂电池的电解池。 通过聚合物皮带锚定到电极的空穴能够在电沉积期间释放地吸引从电解质迁移到电极表面的特定离子,例如锂离子。 聚合物带用于将空穴连续地保持在离电极表面预定距离处,而不管通常在特定离子的沉积和溶解期间引起的表面积波动。 因此,空穴促进了特定离子的基本上均匀的电沉积,其进而基本上抑制和/或控制在电极表面上的钝化膜或层的形成和生长,否则可能促进枝晶的形成。