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    • 5. 发明授权
    • Battery with an in-situ activation plated lithium anode
    • 具有原位激活电镀锂阳极的电池
    • US06168884A
    • 2001-01-02
    • US09285326
    • 1999-04-02
    • Bernd J. NeudeckerNancy J. DudneyJohn B. Bates
    • Bernd J. NeudeckerNancy J. DudneyJohn B. Bates
    • H01M1000
    • H01M10/0436H01M4/0447H01M4/661H01M6/185H01M6/188H01M6/40H01M10/052H01M10/056H01M2004/027
    • A thin-film rechargeable battery includes a cathode film; including a lithium transition metal oxide, an electrolyte film coupled to the cathode film, the electrolyte film being substantially nonreactive with oxidizing materials and with metallic lithium, an anode current collector coupled to the electrolyte film; and an overlying layer coupled to the anode current collector. The thin-film rechargeable battery is activated during an initial charge by electrochemical plating of a metallic lithium anode between the anode current collector and the electrolyte film. The plating of the anode during charging and the stripping of the anode layer during discharging are essentially reversible. Therefore, almost no diminishment of discharge capacity occurs, even after many discharge and charge cycles. Other advantages include no need for special packaging for shipping and handling. The battery eliminates the main drawbacks of the thin-film Li-ion battery (high capacity loss during the initial charge) and of the thin-film lithium battery (high air-sensitivity at all times, temperature limited to ˜100° C., expensive preparation of the lithium anode). The battery survives processing conditions that exceed those of a solder reflow process without any signs of degradation.
    • 薄膜可充电电池包括阴极膜; 包括锂过渡金属氧化物,与阴极膜耦合的电解质膜,所述电解质膜与氧化材料和金属锂基本上无反应性;阳极集电器耦合到所述电解质膜; 以及耦合到阳极集电器的上覆层。 通过在阳极集电器和电解质膜之间的金属锂阳极的电化学电镀,在初始充电期间,薄膜可再充电电池被激活。 在充电期间阳极的电镀和在放电期间阳极层的剥离基本上是可逆的。 因此,即使在许多放电和充电循环之后,也几乎不会发生放电容量的减小。 其他优点包括不需要特殊的包装运输和处理。 电池消除了薄膜锂离子电池的主要缺点(初始充电期间的高容量损失)和薄膜锂电池(高度空气敏感性,温度限制在〜100℃, 昂贵的锂阳极制备)。 电池的处理条件超过了焊料回流工艺,而没有任何退化的迹象。
    • 9. 发明授权
    • Thin film battery and electrolyte therefor
    • 薄膜电池及其电解液
    • US07410730B2
    • 2008-08-12
    • US10951840
    • 2004-09-28
    • John B. Bates
    • John B. Bates
    • H01M6/18C23C14/34
    • C01B21/097C01B21/0975C01P2002/52C23C14/06C23C14/3414H01M4/66H01M6/40H01M10/052H01M10/0562
    • A solid amorphous electrolyte composition for a thin-film battery. The electrolyte composition includes a lithium phosphorus oxynitride material containing an aluminum ion dopant wherein the atomic ratio of aluminum ion to phosphorus ion (Al/P) in the electrolyte ranges greater than zero up to about 0.5. The composition is represented by the formula: LitPxAlyOuNvSw, where 5x+3y=5, 2u+3v+2w=5+t, t ranges from about 2.9 to about 3.3, x ranges from about 0.94 to about 0.85, y ranges from about 0.094 to about 0.26, u ranges from about 3.2 to about 3.8, v ranges from about 0.13 to about 0.46, and w ranges from zero to about 0.2. Thin film batteries containing such electrolyte films have less tendency to fail prematurely.
    • 一种用于薄膜电池的固体非晶电解质组合物。 电解质组合物包括含有铝离子掺杂剂的磷酸锂锂材料,其中电解质中铝离子与磷离子(Al / P)的原子比范围大于零至约0.5。 组合物由下式表示:<?in-line-formula description =“In-line Formulas”end =“lead”?> Li ?“”O u u,,,,,,,,,,,,,,,,“”“”“”“”“”“”“”“”“”“”“”“”“”“”“”“”“” end =“tail”?>其中5x + 3y = 5,2u + 3v + 2w = 5 + t,t为约2.9至约3.3,x为约0.94至约0.85,y为约0.094至约0.26 u为约3.2至约3.8,v为约0.13至约0.46,w为0至约0.2。 含有这种电解质膜的薄膜电池具有较少的过早失效倾向。