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    • 5. 发明申请
    • PHOSPHORIC ACID-BASED ELECTROLYTES AND APPLICATIONS THEREOF
    • 基于磷酸的电解质及其应用
    • US20150270568A1
    • 2015-09-24
    • US14621707
    • 2015-02-13
    • C. Austen AngellYounes AnsariTelpriore Greg Tucker
    • C. Austen AngellYounes AnsariTelpriore Greg Tucker
    • H01M8/10H01M8/02
    • H01M8/086H01B1/06H01M8/0289H01M8/1016H01M8/1048H01M2300/0008H01M2300/0068H01M2300/0085H01M2300/0091
    • A liquid electrolyte formed by reacting phosphoric acid (H3PO4) in the liquid state with silicon tetrachloride (SiCl4), thereby forming a fluid suspension. The fluid suspension is heated to yield a liquid electrolyte including phosphoric acid (H3PO4), pyrophosphoric acid (H4P2O7), and a particulate solid comprising a silicophosphoric acid, wherein the silicophosphoric acid is an acidic molecular compound including silicon and phosphorus. A concentrated silicophosphoric acid composition prepared by removing most of the liquid from the liquid electrolyte is dissolved in water to yield a homogeneous solution. The homogeneous solution is dried to yield a solid electrolyte. In some cases, the homogenous solution is dried on a substrate to coat at least a portion of the substrate with a proton conductive solid electrolyte. A fuel cell may include the liquid electrolyte, the solid electrolyte, or the coated substrate.
    • 通过使液态磷酸(H 3 PO 4)与四氯化硅(SiCl 4)反应形成的液体电解质,从而形成流体悬浮液。 将流体悬浮液加热以产生包括磷酸(H 3 PO 4),焦磷酸(H 4 P 2 O 7)和包含硅磷酸的颗粒固体的液体电解质,其中硅磷酸是包括硅和磷的酸性分子化合物。 通过从液体电解质中除去大部分液体而制备的浓缩硅磷酸组合物溶于水中以得到均匀的溶液。 将均匀溶液干燥以产生固体电解质。 在一些情况下,将均匀的溶液在基材上干燥以用质子传导性固体电解质涂覆至少一部分基材。 燃料电池可以包括液体电解质,固体电解质或涂覆的基底。
    • 6. 发明授权
    • Ionic liquids and ionic liquid acids with high temperature stability for fuel cell and other high temperature applications, method of making and cell employing same
    • 用于燃料电池和其他高温应用的离子液体和离子液体酸具有高温稳定性,制备方法和使用细胞的方法
    • US07867658B2
    • 2011-01-11
    • US10555468
    • 2004-05-03
    • C. Austen AngellWu XuJean-Philippe BelieresMasahiro Yoshizawa
    • C. Austen AngellWu XuJean-Philippe BelieresMasahiro Yoshizawa
    • H01M8/00H01M8/08
    • H01M8/144H01M8/1016H01M8/14H01M2300/0005H01M2300/0022H01M2300/0048H01M2300/0054H01M2300/0062H01M2300/0085H01M2300/0091Y02P70/56
    • Disclosed are developments in high temperature fuel cells including ionic liquids with high temperature stability and the storage of inorganic acids as di-anion salts of low volatility. The formation of ionically conducting liquids of this type having conductivities of unprecedented magnitude for non-aqueous systems is described. The stability of the di-anion configuration is shown to play a role in the high performance of the non-corrosive proton-transfer ionic liquids as high temperature fuel cell electrolytes. Performance of simple H2(g) electrolyte/O2(g) fuel cells with the new electrolytes is described. Superior performance both at ambient temperature and temperatures up to and above 200° C. are achieved. Both neutral proton transfer salts and the acid salts with HSO−4 anions, give good results, the bisulphate case being particularly good at low temperatures and very high temperatures. The performance of all electrolytes is improved by the addition of a small amount of involatile base of pKa value intermediate between those of the acid and base that make the bulk electrolyte. The preferred case is the imidazole-doped ethylammonium hydrogensulfate which yields behavior superior in all respects to that of the industry standard phosphoric acid electrolyte.
    • 公开了高温燃料电池的发展,包括具有高温稳定性的离子液体和无机酸作为低挥发性的二阴离子盐的储存。 描述了具有前所未有的非水系统电导率的这种离子导电液体的形成。 二阴离子配置的稳定性显示出在非腐蚀性质子转移离子液体作为高温燃料电池电解质的高性能中起作用。 描述了具有新电解质的简单H 2(g)电解质/ O 2(g)燃料电池的性能。 在环境温度和高于和高于200℃的温度下都能实现卓越的性能。 两种中性质子转移盐和与HSO-4阴离子的酸式盐都具有良好的结果,硫酸氢盐的情况在低温和非常高的温度下特别好。 所有电解质的性能通过在制造本体电解质的酸和碱之间添加少量pKa值的非挥发性碱而提高。 优选的情况是咪唑掺杂的硫酸氢铵,其产生的行为在所有方面都优于工业标准磷酸电解质。