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    • 19. 发明公开
    • HIGH TEMPERATURE AND PRESSION RESISTANT SUPERCAPACITOR
    • HOCHTEMPERATUR- UND HOCHDRUCKWIEDERSTANDS-SUPERKONDENSATOR
    • EP2958121A1
    • 2015-12-23
    • EP15178281.0
    • 2013-06-21
    • Services Petroliers SchlumbergerSchlumberger Holdings LimitedSchlumberger Technology B.V.
    • FLETCHER, StephenBLACK, Victoria Jane
    • H01G11/14H01G11/18H01G11/28H01G11/62H01G11/64H01G11/70
    • H01G11/18H01G11/14H01G11/24H01G11/28H01G11/62H01G11/64H01G11/70Y02E60/13
    • A supercapacitor device having a housing and at least one supercapacitor cell disposed in the housing, where the supercapacitor cell may include: two working electrode layers separated by an electrode separator wherein each working electrode layer is electrically connected to a current collector supported upon an inert substrate layer; an electrolyte-impervious layer disposed between each working electrode layer and each conducting layer to protect the conducting layer; and an ionic liquid electrolyte disposed within the area occupied by the working electrode layers and the electrode separator, wherein the ionic liquid electrolyte has at least one cationic component comprising a central cation with an asymmetric arrangement of substituents bonded thereto. The ionic liquid electrolyte may be gelled by a silica gellant to inhibit electrolyte flow. The operating range of the supercapacitor device is at least 20-220°C. The ionic liquid is based on hexyltriethylammonium cations and /or butyltrimethylammonium cations paired with bis(trifluoromethylsulfonyl)imide anions. The supercapacitor is particularly adapted for for pumping liquid in ground drilling machines for oil or gas.
    • 一种超级电容器装置,具有壳体和设置在壳体中的至少一个超级电容器单元,其中超级电容器单元可以包括:由电极分离器分离的两个工作电极层,其中每个工作电极层电连接到支撑在惰性衬底上的集电器 层; 设置在每个工作电极层和每个导电层之间的电解质不透层,以保护导电层; 以及设置在由工作电极层和电极隔板占据的区域内的离子液体电解质,其中离子液体电解质具有至少一种阳离子组分,其包含具有与其键合的取代基的不对称排列的中心阳离子。 离子液体电解质可以被二氧化硅胶凝剂胶化以抑制电解质流动。 超级电容器器件的工作范围至少为20-220°C。 离子液体基于与双(三氟甲基磺酰基)酰亚胺阴离子配对的己基三乙基铵阳离子和/或丁基三甲基铵阳离子。 超级电容器特别适用于在石油或天然气的地面钻井机中泵送液体。