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    • 1. 发明申请
    • ELECTROLYTES AND METAL HYDRIDE BATTERIES
    • 电解液和金属氢化物电池
    • WO2016154162A1
    • 2016-09-29
    • PCT/US2016/023503
    • 2016-03-22
    • BASF CORPORATIONMENG, TiejunYOUNG, KwoWONG, DianaNEI, Jean
    • MENG, TiejunYOUNG, KwoWONG, DianaNEI, Jean
    • H01M10/0568H01M4/52H01M4/58H01M10/05H01M10/0567H01M10/0569H01M10/30
    • H01M10/345H01M2300/0045
    • Electrolyte compositions comprising a) an ionic liquid and b) a protic acid and/or an organic solvent are suitable for use in electrochemical cells, e.g. metal hydride batteries. The electrolyte compositions may replace the currently employed 30% by weight aqueous KOH. Suitable protic acids include carboxylic acids, mineral acids, sulfonic acids and the like. Suitable organic solvents include organic carbonates, ethers, glymes, ortho esters, polyalkylene glycols, esters, lactones, glycols, formates, sulfones, sulfoxides, amides, alcohols, ketones, nitro solvents, nitrile solvents and combinations thereof. Present batteries may achieve a nominal open-circuit voltage of > 1.2 V (volts) and up to about 6 V. The electrolyte compositions allow enlargement of the electrochemical window, thus allowing the use of further cathode active materials. Further cathode active materials include transition metals and their oxides, hydroxides and fluorides; for example, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, Lu, Hf, Ta, W, Re, Os, Ir, Pt and Au and their oxides, hydroxides, oxide/hydroxides and fluorides.
    • 包含a)离子液体和b)质子酸和/或有机溶剂的电解质组合物适用于电化学电池,例如, 金属氢化物电池。 电解质组合物可以代替目前使用的30重量%KOH水溶液。 合适的质子酸包括羧酸,无机酸,磺酸等。 合适的有机溶剂包括有机碳酸酯,醚,甘醇二酯,原酸酯,聚亚烷基二醇,酯,内酯,二醇,甲酸酯,砜,亚砜,酰胺,醇,酮,硝基溶剂,腈溶剂及其组合。 现有电池可以达到> 1.2V(伏特)和高达约6V的标称开路电压。电解质组合物允许扩大电化学窗口,从而允许使用另外的阴极活性材料。 其它阴极活性材料包括过渡金属及其氧化物,氢氧化物和氟化物; 例如Sc,Ti,V,Cr,Mn,Fe,Co,Ni,Cu,Zn,Y,Zr,Nb,Mo,Tc,Ru,Rh,Pd,Ag,Cd,Lu,Hf,Ta,W ,Re,Os,Ir,Pt和Au及其氧化物,氢氧化物,氧化物/氢氧化物和氟化物。