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    • 1. 发明申请
    • SUPPRESSING CHEMICAL CHANGES IN A LEAD-ACID BATTERY TO IMPROVE ITS CYCLE LIFE
    • 在铅酸电池中抑制化学改变以改善其循环寿命
    • WO2011133677A1
    • 2011-10-27
    • PCT/US2011/033263
    • 2011-04-20
    • AMTEK RESEARCH INTERNATIONAL, LLCWATERHOUSE, Robert, R.LA, Chi Thuong-LePEKALA, Richard, W.
    • WATERHOUSE, Robert, R.LA, Chi Thuong-LePEKALA, Richard, W.
    • H01M2/02
    • H01M10/06H01M2/1613H01M2/1646H01M2/166H01M10/4235Y02E60/126Y02P70/54Y02T10/7016
    • A battery separator (116) includes dispersed throughout its porous structure a benzaldehyde derivative as a hydrogen-evolution inhibitor to improve the cycle life of a lead-acid battery (100) containing the battery separator. The disclosed battery separator is particularly useful in a deep cycle battery installed in an electric vehicle, such as a golf car or a floor scrubber. Preferred embodiments of the disclosed battery separator are based on a microporous polyethylene separator material or on an absorptive glass mat (AGM) separator material having a porous structure through which the hydrogen-evolution inhibitor is dispersed. Vanillin (4- hydroxy 3-methoxybenzaldehyde) compound is a preferred derivative of benzaldehyde that interacts with antimony present in the battery electrode plates to suppress hydrogen gas evolution. Vanillin dispersed throughout the porous structure exhibits strong antimony-suppression behavior and thereby maintains hydrogen evolution inhibitor properties during handling and manipulation of the battery separator.
    • 电池隔板(116)包括在整个多孔结构体中分散苯甲醛衍生物作为析氢抑制剂,以改善含有电池隔膜的铅酸电池(100)的循环寿命。 所公开的电池隔板在安装在诸如高尔夫球车或地板洗涤器的电动车辆中的深循环电池中特别有用。 所公开的电池隔板的优选实施方案基于微孔聚乙烯隔板材料或具有分散氢析出抑制剂的多孔结构的吸收玻璃垫(AGM)隔板材料。 香草醛(4-羟基-3-甲氧基苯甲醛)化合物是与电池电极板中存在的锑相互作用的苯甲醛的优选衍生物,以抑制氢气逸出。 分散在整个多孔结构中的香草醛表现出强烈的锑抑制行为,从而在电池分离器的处理和操作过程中保持析氢抑制剂的性质。