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    • 1. 发明申请
    • Lithium super-battery with a chemically functionalized disordered carbon cathode
    • 具有化学官能化无序碳阴极的锂超级电池
    • US20120077080A1
    • 2012-03-29
    • US12924211
    • 2010-09-23
    • Chenguang LiuAruna ZhamuDavid NeffBor Z. Jang
    • Chenguang LiuAruna ZhamuDavid NeffBor Z. Jang
    • H01M10/26
    • H01M4/587H01G11/06H01G11/38H01G11/50H01M4/485H01M4/5825H01M10/0525H01M2004/021Y02E60/122Y02E60/13
    • An electrochemical energy storage device, lithium super-battery, comprising a positive electrode, a negative electrode, a porous separator disposed between the two electrodes, and a lithium-containing electrolyte in physical contact with the two electrodes, wherein the positive electrode comprises a disordered carbon material having a functional group that reversibly reacts with a lithium atom or ion. The disordered carbon material is selected from a soft carbon, hard carbon, polymeric carbon or carbonized resin, meso-phase carbon, coke, carbonized pitch, carbon black, activated carbon, or partially graphitized carbon. In a preferred embodiment, a lithium super-battery having a functionalized disordered carbon cathode and a Li4Ti5O12 anode exhibits a gravimetric energy ˜5-10 times higher than those of conventional supercapacitors and a power density ˜10-30 times higher than those of conventional lithium-ion batteries. This device has the best properties of both the lithium ion battery and the supercapacitor.
    • 一种电化学蓄电装置,锂超级电池,包括正极,负极,设置在两个电极之间的多孔隔板和与两个电极物理接触的含锂电解质,其中正极包括无序的 具有与锂原子或离子可逆地反应的官能团的碳材料。 无序碳材料选自软碳,硬碳,聚合碳或碳化树脂,中间相碳,焦炭,碳化沥青,炭黑,活性炭或部分石墨化碳。 在优选实施例中,具有官能化无序碳阴极和Li 4 Ti 5 O 12阳极的锂超级电池显示比常规超级电容器高约5-10倍的重量能量,并且功率密度比传统锂电池高10〜30倍 电池。 该器件具有锂离子电池和超级电容器的最佳性能。