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    • 9. 发明申请
    • USE OF EXPANDED GRAPHITE IN LITHIUM/SULPHUR BATTERIES
    • 在锂/硫电池中使用膨胀石墨
    • US20130164635A1
    • 2013-06-27
    • US13700696
    • 2011-05-26
    • Ruediger SchmidtAlexander PanchenkoBastian EwaldPhilip HanefeldSorin IvanoviciHelmut MoehwaldIgor P. Kovalev
    • Ruediger SchmidtAlexander PanchenkoBastian EwaldPhilip HanefeldSorin IvanoviciHelmut MoehwaldIgor P. Kovalev
    • H01M4/133
    • H01M4/133H01M4/0485H01M4/136H01M4/1397H01M4/38H01M4/621H01M4/625H01M10/052Y02E60/122
    • The present invention relates to a solid composite for use in the cathode of a lithium- sulphur electric current producing cell wherein the solid composite comprises 1 to 75 wt.-% of expanded graphite, 25 to 99 wt.-% of sulphur, 0 to 50 wt.-% of one or more further conductive agents other than expanded graphite, and 0 to 50 wt.-% one or more binder, based on the total amount of the solid composite, a lithium-sulphur electric current producing cell comprising (i) a cathode comprising the solid composite, (ii) an anode and (iii) an electrolyte interposed between said cathode and said anode, and a process for preparing the solid composite comprising the steps (I) preparing a slurry comprising sulphur, expanded graphite, and optionally further components in a liquid medium by dispersing the sulphur, the expanded graphite, and optionally the further components in the liquid medium; (H) casting the slurry provided in step (I) on a substrate or placing the slurry provided in step (I) into a mold; and (III) removing some or all of the liquid medium from the slurry cast in step (II) to form a solid composite.
    • 本发明涉及一种用于锂硫电流电池的阴极的固体复合材料,其中固体复合材料包含1至75重量%的膨胀石墨,25至99重量%的硫,0至 50重量%的膨胀石墨以外的一种或多种其它导电剂和0至50重量%的一种或多种粘合剂,基于固体复合材料的总量,锂 - 硫电流产生电池包含( i)包含固体复合材料的阴极,(ii)阳极和(iii)介于所述阴极和所述阳极之间的电解质,以及制备所述固体复合材料的方法,包括步骤(I)制备包含硫,膨胀石墨 ,以及任选地通过将硫,膨胀石墨和任选的其它组分分散在液体介质中的液体介质中的其它组分; (H)将步骤(I)中提供的浆料浇铸在基材上或将步骤(I)中提供的浆料放入模具中; 和(III)从步骤(II)中浇铸的浆料中除去一些或全部液体介质以形成固体复合材料。