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    • 3. 发明授权
    • Lithium ion conducting electrolytes
    • 锂离子传导电解质
    • US5506073A
    • 1996-04-09
    • US901669
    • 1992-06-22
    • C. Austen AngellChangle Liu
    • C. Austen AngellChangle Liu
    • H01B1/06H01M6/14H01M6/16H01M6/18H01M10/36
    • H01M10/0563H01M10/052H01M10/0565H01M6/14H01M6/18H01M6/181H01M2300/0037H01M2300/0085H01M6/164H01M6/166
    • A liquid, predominantly lithium-conducting, ionic electrolyte having exceptionally high conductivity at temperatures of 100.degree. C. or lower, including room temperature, and comprising the lithium salts selected from the group consisting of the thiocyanate, iodide, bromide, chloride, perchlorate, acetate, tetrafluoroborate, perfluoromethane sulfonate, perfluoromethane sulfonamide, tetrahaloaluminate, and heptahaloaluminate salts of lithium, with or without a magnesium-salt selected from the group consisting of the perchlorate and acetate salts of magnesium. Certain of the latter embodiments may also contain molecular additives from the group of acetonitrile (CH.sub.3 CN) succinnonitrile (CH.sub.2 CN).sub.2, and tetraglyme (CH.sub.3 --O--CH.sub.2 --CH.sub.2 --O--).sub.2 (or like solvents) solvated to a Mg.sup.+2 cation to lower the freezing point of the electrolyte below room temperature. Other particularly useful embodiments contain up to about 40, but preferably not more than about 25, mol percent of a long chain polyether polymer dissolved in the lithium salts to provide an elastic or rubbery solid electrolyte of high ambient temperature conductivity and exceptional 100.degree. C. conductivity. Another embodiment contains up to about but not more than 10 mol percent of a molecular solvent such as acetone.
    • 在100℃或更低的温度(包括室温)下具有特别高导电性的液体,主要为锂导电的离子电解质,并且包含选自硫氰酸盐,碘化物,溴化物,氯化物,高氯酸盐, 乙酸盐,四氟硼酸盐,全氟甲烷磺酸盐,全氟甲烷磺酰胺,四卤铝酸盐和锂的七卤铝酸盐,具有或不具有选自镁的高氯酸盐和乙酸盐的镁盐。 后一个实施方案中的某些可能还含有溶剂化为Mg + 2的乙腈(CH 3 CN)琥珀腈(CH 2 CN)2和四缩水甘油醚(CH3-O-CH2-CH2-O-)2(或类似溶剂)的分子添加剂 阳离子将电解液的凝固点降低到室温以下。 其他特别有用的实施方案包含高达约40,但优选不超过约25摩尔%的溶解在锂盐中的长链聚醚聚合物,以提供高环境温度导电性和特殊的100℃的弹性或橡胶状固体电解质。 电导率。 另一个实施方案含有至多约10摩尔%的分子溶剂如丙酮,但不超过10摩尔%。
    • 7. 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。
    • 9. 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。