会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Method for producing high purity vanadium electrolytic solution
    • 生产高纯度钒电解液的方法
    • US5587132A
    • 1996-12-24
    • US554570
    • 1995-11-06
    • Masato NakajimaToshiaki AkahoshiMasatoshi SawahataYutaka NomuraKanji Sato
    • Masato NakajimaToshiaki AkahoshiMasatoshi SawahataYutaka NomuraKanji Sato
    • C01G31/00H01M8/06H01M8/18H01B1/00
    • C01G31/00H01M8/06H01M8/188Y02E60/528Y02P70/56
    • A method for producing an electrolytic solution containing vanadium as positive and negative electrode active material, the electrolytic solutions being suitable for a redox battery which comprises: the steps of (1) a vanadium compound is dissolved in a solvent under an alkaline or neutral condition, a polyvanadate compound is precipitated and isolated by thermal polymerization of vanadium ions under an acidic condition; (2) a part of the polyvanadate compound is baked in an inert or oxidizing gas atmosphere so as to remove ammonium ions; (3) a trivalent vanadium compound is formed by treating another part of the polyvanadate compound under a reductive atmosphere; (4) a trivalent vanadium electrolytic solution is formed by dissolving the trivalent vanadium compound in an acid solution; and (5) vanadium pentoxide and a part of the trivalent vanadium compound are reacted by mixing so that mixed electrolytic solutions of V.sup.4+ and V.sup.3+ are formed. According to the present invention, a high purity vanadium electrolytic solution can be economically produced even from vanadium pentoxide and ammonium metavanadate raw materials containing large quantities of impurities.
    • 一种生产含有钒作为正极和负极活性材料的电解液的方法,所述电解溶液适用于氧化还原电池,其包括:(1)将钒化合物在碱性或中性条件下溶解在溶剂中, 在酸性条件下通过钒离子的热聚合沉淀和分离聚钒酸盐化合物; (2)将一部分聚钒酸盐化合物在惰性或氧化性气体气氛中烘烤,以除去铵离子; (3)通过在还原气氛下处理另一部分聚钒酸盐化合物形成三价钒化合物; (4)通过将三价钒化合物溶解在酸溶液中形成三价钒电解液; 和(5)五氧化二钒和一部分三价钒化合物通过混合反应,形成V4 +和V3 +的混合电解液。 根据本发明,即使是含有大量杂质的五氧化二钒和偏钒酸铵原料,也可以经济地制造高纯度的钒电解液。
    • 3. 发明授权
    • Liquid-circulating battery
    • 液体循环电池
    • US5759711A
    • 1998-06-02
    • US801115
    • 1997-02-14
    • Mitsutaka MiyabayashiKanji SatoMasato NakajimaKouichi FurusatoSumie Sekiguchi
    • Mitsutaka MiyabayashiKanji SatoMasato NakajimaKouichi FurusatoSumie Sekiguchi
    • C08J5/22H01M2/16H01M8/02H01M8/04H01M8/18H01M8/20
    • H01M2/1653H01M8/0289H01M8/188Y02E60/528
    • The present invention provides a liquid-circulating battery including a positive electrode, a negative electrode, a permeable membrane interposed between the positive and negative electrodes to hold the same in separated relation to each other and to partition the same into a positive chamber and a negative chamber, two porous liquid-permeable carbon electrodes disposed respectively in the positive and negative electrolytic solutions being circulated respectively into the positive and negative chambers such that an oxidation-reduction reaction occurs and causes charging and discharging, wherein the permeable membrane is an ion-exchange me membrane including as an ion exchanger layer a polymeric pellicle which results from crosslinking of a halogenated alkylated product of an aromatic polysulfone type polymer with use of a polyamine and which has an ion exchange capacity of 0.3 to 8.0 milliequivalent/gram of dry resin and a thickness 0.1 to 120 .mu.m, said polysulfone type polymer having as a recurring unit a group represented at least by the following formula (I); and ##STR1## and wherein each of said positive and negative electrolytic solutions is an electrolytic solution having a vanadium ion concentration of 0.5 to 8 mols/liter.
    • 本发明提供一种液体循环电池,其包括正电极,负电极,插入在正极和负极之间的可渗透膜,以将它们彼此分隔开并将其分隔成正室和负极 分别在正,负电解液中设置的两个多孔透液碳电极分别循环到正室和负室中,使得氧化还原反应发生并引起充放电,其中透膜是离子交换 其包括作为离子交换剂层的聚合物薄膜,其由使用多胺的芳族聚砜型聚合物的卤代烷基化产物的交联产生,并且其离子交换容量为0.3-8.0毫当量/克干树脂和 所述聚砜型聚合物的厚度为0.1〜120μm 作为重复单元,至少由下式(I)表示的基团; 和(I),其中所述正电解液和阴电解液各自是钒离子浓度为0.5至8摩尔/升的电解液。
    • 7. 发明授权
    • Redox flow type battery
    • 氧化还原流式电池
    • US5851694A
    • 1998-12-22
    • US873453
    • 1997-06-12
    • Mitsutaka MiyabayashiKanji SatoToshiyuki TayamaYoshiteru KageyamaHaruo Oyama
    • Mitsutaka MiyabayashiKanji SatoToshiyuki TayamaYoshiteru KageyamaHaruo Oyama
    • H01M4/86H01M8/02H01M8/04H01M8/18H01M8/24H01M8/20
    • B60L11/1868B60L11/1879H01M8/0273H01M8/188H01M8/246H01M8/0289Y02E60/528Y02T10/7005Y02T10/7066
    • The present invention relates to a liquid-circulating type redox flow battery which comprises (a) said battery being defined by a ratio (H/L) where (H) is the average height of each of said porous electrodes in a flow direction of each of said electrolytic solutions, and (L) is the length of each of said porous electrodes in a direction perpendicular to the flow direction of each of said electrolytic solutions, the ratio (H/L) being in the range of 0.18 to 1.95; and (b) said battery being defined by ratios (.SIGMA.s.sub.ai /S.sub.a) and (.SIGMA.s.sub.ci /S.sub.c) where (.SIGMA.s.sub.ai) is the sum of the cross-sectional area of an inlet for introducing said positive electrolytic solution into said positive cell, (.SIGMA.s.sub.ci) is the sum of the cross-sectional area of an inlet for introducing said negative electrolytic solution into said negative cell, (S.sub.a) is the average of the cross-sectional area of said porous electrode in a direction perpendicular to the flow direction of said positive electrolytic solution, and (S.sub.c) is the average of the cross-sectional area of said porous electrode in a direction perpendicular to the flow direction of said negative electrolytic solution, each of the ratios (.SIGMA.s.sub.ai /S.sub.a) and (.SIGMA.s.sub.ci /S.sub.c) being in the range of 0.001 to 0.04, and said battery being further defined by ratios (.SIGMA.s.sub.ao /S.sub.a) and (.SIGMA.s.sub.co /S.sub.c) where (.SIGMA.s.sub.ao) is the sum of the cross-sectional area of an outlet for discharging said positive electrolytic solution out of said positive cell, (.SIGMA.s.sub.co) is the sum of the cross-sectional area of an outlet for discharging said negative electrolytic solution out of said negative cell, and (S.sub.a) and (S.sub.c) are as denoted above, each of the ratios (.SIGMA.s.sub.ao /S.sub.a) and (.SIGMA.s.sub.co /S.sub.c) being in the range of 0.001 to 0.04.
    • 液体循环型氧化还原液流电池本发明涉及一种液体循环型氧化还原液流电池,其包括(a)所述电池以(H / L)的比例(H / L)定义,其中(H)是每个所述多孔电极在每个所述多孔电极的流动方向上的平均高度 的所述电解液,(L)是所述多孔电极在与所述电解液各流动方向垂直的方向上的长度,所述比例(H / L)在0.18〜1.95的范围内; 和(b)所述电池由比率(SIGMA sai / Sa)和(SIGMA sci / Sc)定义,其中(SIGMA sai)是用于将所述正电解液引入所述阳性电池的入口的横截面面积的总和 ,(SIGMA sci)是用于将所述负电解质溶液引入所述负电池的入口的横截面面积的总和,(Sa)是所述多孔电极在垂直于所述负电池的方向上的横截面积的平均值 所述正电解液的流动方向和(Sc)是所述多孔电极在与所述负电解质溶液的流动方向垂直的方向上的横截面积的平均值,每个比率(SIGMA sai / Sa)和 (SIGMA sci / Sc)在0.001至0.04的范围内,并且所述电池进一步由比率(SIGMA sao / Sa)和(SIGMA sco / Sc)限定,其中(SIGMA sao)是横截面积 用于排出所述正电解液的出口 在所述阳性细胞中,(SIGMA sco)是用于从所述负电池中排出所述负电解质溶液的出口的横截面面积的总和,并且(Sa)和(Sc)如上所述, 比例(SIGMA sao / Sa)和(SIGMA sco / Sc)在0.001至0.04的范围内。