Process for the removal of sulfate ions from an electrolyte
    1.
    发明授权
    Process for the removal of sulfate ions from an electrolyte 失效
    从电解质中去除硫酸根离子的方法

    公开(公告)号:US06461495B1

    公开(公告)日:2002-10-08

    申请号:US09743639

    申请日:2001-05-21

    IPC分类号: H01M804

    CPC分类号: H01M10/4242

    摘要: A method for the removal of sulfate ions from an electrolyte of an electrochemical reduction-oxidation system wherein said electrolyte comprises a halogen and in which the sulfate ions an a contaminant or interferant, which method comprises the steps of: (i) increasing the halide concentration in the electrolyte by electrochemical reduction of the halogen, (ii) crystallizing a sulfate salt out of the electrolyte, and (iii) separation of the electrolyte from the crystallized sulfate salt. An electrochemical process for energy storage and/or power delivery comprising the step of removal of sulfate ions from the electrolyte according to the above cited method is also disclosed.

    摘要翻译: 一种用于从电化学还原 - 氧化系统的电解质中除去硫酸根离子的方法,其中所述电解质包含卤素,其中硫酸根离子是污染物或干扰剂,该方法包括以下步骤:(i)增加卤化物浓度 在电解质中通过电化学还原卤素,(ii)从电解质中析出硫酸盐,和(iii)从结晶的硫酸盐中分离电解质。 还公开了一种用于能量储存和/或动力递送的电化学方法,包括根据上述方法从电解质中除去硫酸根离子的步骤。

    Electrolyte rebalancing system
    2.
    发明授权
    Electrolyte rebalancing system 失效
    电解质再平衡系统

    公开(公告)号:US06841294B1

    公开(公告)日:2005-01-11

    申请号:US10018531

    申请日:2000-06-30

    摘要: A process for rebalancing the electrolyte system in a regenerative fuel cell using a sulfide/polysulfide reaction in one half of the cell and a bromine/bromide reaction in the other half of the cell comprises passing the electrolyte containing sulfide/polysulfide or bromine/bromide through the +ve chamber of an auxiliary cell and passing an electrolyte containing water and being free from polysulfide or bromine through the −ve chamber of the auxiliary cell the auxiliary cell operating so as to oxidize sulfide ions to sulfur or bromide ions to bromine in the +ve chamber and to reduce water to hydrogen and hydroxide ions in the −ve chamber.

    摘要翻译: 使用一半电池中的硫化物/多硫化物反应和另一半电池中的溴/溴反应在再生式燃料电池中重新平衡电解质系统的方法包括使含有硫化物/多硫化物或溴/溴的电解液通过 辅助电池的+室,并通过辅助电解槽的辅助电池,使含有水的电解质不含多硫化物或溴,以将硫化物离子氧化成硫或溴离子至 溴在+室中,并将水减少至氢气和氢氧根离子。

    Carbon based electrodes
    3.
    发明授权
    Carbon based electrodes 失效
    碳基电极

    公开(公告)号:US06511767B1

    公开(公告)日:2003-01-28

    申请号:US09674847

    申请日:2001-05-24

    IPC分类号: H01M496

    CPC分类号: H01M8/188 H01M4/96 Y02P70/56

    摘要: A carbon based electrode for the electrochemical reduction of sulfur or oxygen, which comprises an electrode core and, in electrical contact therewith, a structure comprising a porous particulate activated carbon bonded with a polymeric binder material, characterised in that the structure is at least 1 mm thick, in that the particulate activated carbon is prepared from a lignocellulosic material and has the following properties: i) a particle size in the range of from 200 to 850 &mgr;m; ii) a pore volume of from 0.45 to 1.0 cm3 per gram; iii) a surface area in the range of from 800 to 1500 m2/g; and in that the binder is used in an amount not exceeding 25% by weight based upon the mixture of activated carbon and binder material.

    摘要翻译: 一种用于硫或氧的电化学还原的碳基电极,其包括电极芯并与其电接触的结构包括与聚合物粘合剂材料结合的多孔颗粒活性炭,其特征在于该结构至少为1mm 因为颗粒活性炭是由木质纤维素材料制备的,具有以下特性:i)粒径在200至850μm之间; ii)每克孔体积为0.45至1.0cm 3; iii)800至1500m2 / g范围内的表面积; 并且基于活性炭和粘合剂材料的混合物,粘合剂的用量不超过25重量%。

    Method for the fabrication of electrochemical cells
    4.
    发明授权
    Method for the fabrication of electrochemical cells 失效
    电化学电池的制造方法

    公开(公告)号:US6086643A

    公开(公告)日:2000-07-11

    申请号:US91220

    申请日:1998-12-02

    摘要: A method of fabricating an electrochemical or galvanic cell comprising a plurality of electrochemical components, which electrochemical components are joined together in a stack, which method comprises: i) providing a first component formed from a deformable polymeric material with at least one substantially continuous groove comprising a female opening having a width of "w" and a depth of "h"; ii) providing a second component with at least one substantially continuous upstand having a width of >"w" and a height of

    摘要翻译: PCT No.PCT / GB96 / 03162 Sec。 371日期1998年12月2日第 102(e)1998年12月2日PCT PCT 1996年12月19日PCT公布。 公开号WO97 / 24778 日期1997年7月10日一种制造电化学或电化学电池的方法,其包括多个电化学组分,该电化学组分以堆叠方式连接在一起,该方法包括:i)提供由可变形聚合材料形成的第一组分,至少 一个基本上连续的凹槽,包括宽度为“w”且深度为“h”的阴开口; ii)提供具有宽度>“w”和“h”的高度的至少一个基本上连续的竖立的第二部件; iii)将第一和第二部件压在一起,以便在第二部件上的竖起部与第一部件中的开口之间提供一体的密封,其中部件之间的密封通过将立柱的侧面与 开口两侧; 以及iv)将多个第一和第二部件连接在一起以形成堆叠。