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    • 6. 发明申请
    • NANO-STRUCTURED LITHIUM-SULFUR BATTERY AND METHOD OF MAKING SAME
    • 纳米结构的锂硫电池及其制造方法
    • WO2011045466A1
    • 2011-04-21
    • PCT/FI2010/050642
    • 2010-08-17
    • NOKIA CORPORATIONWEI, Di
    • WEI, Di
    • H01M4/75H01M4/136H01M10/052B82B1/00
    • H01M4/70C01B33/035H01M4/0426H01M4/136H01M4/1397H01M4/364H01M4/366H01M4/581H01M4/625H01M4/626H01M4/667H01M10/052H01M2004/021Y02E60/122Y02P70/54Y02T10/7011
    • An apparatus (400) comprises a first conductive substrate (408) (e.g., a metal foil) having a first surface; a plurality of conductive stalks (404) (e.g., carbon nano-tubes) extending from the first surface; an electrically insulating coating (406) (e.g., sulfur) about the carbon stalks; a second conductive substrate (420) (e.g., a lithium oxide foil); and an electrolyte (430) (e.g., a polymer electrolyte) disposed between the first surface of the first conductive substrate (408) and the second conductive substrate (420). In various embodiments: the sulfur is disposed at a thickness of about 3 nanometers +1 - 1 nanometer; the stalks (404) are at a density such that a gap between them is between 2 and 200 diameters of an ion transported through the electrolyte (430); and there is a separator layer (432) within the electrolyte (430) having a porosity amenable to passage by such ions. Also detailed is a method for making the foil with the coated carbon nano-tubes.
    • 一种装置(400)包括具有第一表面的第一导电基底(408)(例如,金属箔) 从第一表面延伸的多个导电棒(404)(例如碳纳米管); 围绕碳秆的电绝缘涂层(406)(例如硫); 第二导电衬底(420)(例如,氧化锂箔); 以及设置在第一导电基板(408)的第一表面和第二导电基板(420)之间的电解质(430)(例如聚合物电解质)。 在各种实施方案中:硫以约3纳米+1 - 1纳米的厚度设置; 茎(404)的密度为使得它们之间的间隙为通过电解质(430)输送的离子的2至200个直径; 并且在电解质(430)内有一个分隔层(432),其具有适于通过这种离子的孔隙率。 还详细描述了用涂覆的碳纳米管制造箔的方法。