Process for manufacture of negative electrode material for a non-aqueous electrolyte secondary battery
    82.
    发明申请
    Process for manufacture of negative electrode material for a non-aqueous electrolyte secondary battery 有权
    非水电解质二次电池用负极材料的制造方法

    公开(公告)号:US20030175589A1

    公开(公告)日:2003-09-18

    申请号:US10355051

    申请日:2003-01-31

    IPC分类号: H01M004/58

    摘要: A negative electrode material for a nonaqueous electrolyte secondary battery having a high discharge capacity and a good cycle life is made from alloy particles having an average particle diameter of 0.1-50 nullm and including Si phase grains 40 and a phase of a solid solution or an intermetallic compound of Si and other element selected from Group 2A elements, transition elements, Group 3B elements, and Group 4B elements from the long form periodic table (for example, an NiSi2 phase 42 and an nullNiSi2nullNiSinull phase 41) at least partially enveloping the Si phase grains. 5-99 wt % of this material is Si phase grains. The alloy particles can be manufactured by rapid solidification (such as atomization or roller quenching) of a melt including Si and the other element, or by adhering the other element to Si powder by electroless plating or mechanical alloying and then performing heat treatment. Even if rapid solidification is carried out, a negative electrode material having a good discharge capacity and cycle life is obtained without heat treatment.

    摘要翻译: 由平均粒径为0.1-50μm的合金粒子制成具有高放电容量和良好的循环寿命的非水电解质二次电池用负极材料,其包含Si相粒子40,固溶相或 Si和其他元素的金属间化合物,其中选自2A型元素,过渡元素,3B族元素和来自长周期表的4B族元素(例如,NiSi 2相42和[NiSi 2 + NiSi]相41) 部分包围Si相晶粒​​。 该材料的5-99重量%是Si相晶粒​​。 可以通过包括Si和另一种元素的熔体的快速凝固(例如雾化或辊筒淬火)制造合金颗粒,或者通过化学镀或机械合金化将另一种元素粘附到Si粉末上,然后进行热处理。 即使进行快速凝固,也可以得到没有热处理的具有良好的放电容量和循环寿命的负极材料。

    Metal-alkaline battery cells with reduced corrosion rates
    84.
    发明授权
    Metal-alkaline battery cells with reduced corrosion rates 有权
    具有降低腐蚀速率的金属碱性电池

    公开(公告)号:US06544686B1

    公开(公告)日:2003-04-08

    申请号:US09718438

    申请日:2000-11-22

    IPC分类号: H01M406

    摘要: A metal-alkaline battery having a reduced corrosion rate and enhanced electrochemical properties comprises an anode that includes derivatives of polyethylene glycol (PEG). The PEG derivatives have one or more hydrophilic moieties attached to the ends of the PEG chain. The hydrophilic moieties may be a carboxyl group or a carboxymethyl group. A preferred PEG derivative is polyethylene glycol, bi-carboxy methyl ether (PEG BCME).

    摘要翻译: 具有降低的腐蚀速率和增强的电化学性质的金属 - 碱性电池包括包含聚乙二醇(PEG)的衍生物的阳极。 PEG衍生物具有连接至PEG链末端的一个或多个亲水部分。 亲水部分可以是羧基或羧甲基。 优选的PEG衍生物是聚乙二醇,双羧甲基醚(PEG BCME)。

    Process for preparing an anode catalyst for fuel cells and the anode catalyst prepared therewith
    85.
    发明申请
    Process for preparing an anode catalyst for fuel cells and the anode catalyst prepared therewith 失效
    制备燃料电池阳极催化剂的方法及其制备的阳极催化剂

    公开(公告)号:US20030017378A1

    公开(公告)日:2003-01-23

    申请号:US10147719

    申请日:2002-05-16

    申请人: OMG AG & Co. KG

    摘要: The invention provides a process for preparing a platinum-ruthenium catalyst and the catalyst prepared therewith. The catalyst can be supported on a support material in powder form or may also be unsupported. To prepare the supported catalyst, the support material is suspended in water and the suspension is heated to at most the boiling point. While keeping the temperature of the suspension the same, solutions of hexachloroplatinic acid and ruthenium chloride are then added to the suspension, then the pH of the suspension is increased to a value between 6.5 and 10 by adding an alkaline solution and the noble metals are thus precipitated onto the support material. Afterwards, one or more organic carboxylic acids and/or their salts are added to the suspension and the catalyst is chemically reduced, washed, dried and optionally subsequently calcined under an inert or reducing atmosphere at a temperature between 300 und 1000null C. The catalyst is characterised by a high tolerance to carbon monoxide poisoning in the fuel cell.

    摘要翻译: 本发明提供了制备铂 - 钌催化剂的方法及其制备的催化剂。 催化剂可以以粉末形式负载在支撑材料上,或者也可以是不支撑的。 为了制备负载的催化剂,将载体材料悬浮在水中,并将悬浮液加热到至多沸点。 在保持悬浮液的温度相同的同时,向悬浮液中加入六氯铂酸和氯化钌溶液,然后通过加入碱性溶液将悬浮液的pH增加至6.5至10之间,因此贵金属 沉淀在支撑材料上。 之后,将一种或多种有机羧酸和/或其盐加入到悬浮液中,催化剂被化学还原,洗涤,干燥,任选地在惰性或还原气氛下在300-1000℃的温度下煅烧。催化剂 其特征在于对燃料电池中一氧化碳中毒的高耐受性。

    Fuel cells through molecular recognition processes
    88.
    发明申请
    Fuel cells through molecular recognition processes 审中-公开
    燃料电池通过分子识别过程

    公开(公告)号:US20020164520A1

    公开(公告)日:2002-11-07

    申请号:US09846976

    申请日:2001-05-02

    摘要: A novel fuel cell uses carbohydrates, alcohols or other organic fuels as its fuel to generate electricity via an electrochemical reaction. To catalyze the electrochemical reaction in the fuel cell and reduce the likelihood of the anode of being poisoned by by-products from the eletrochemical reaction and impurities in the fuel, an anode material with molecular recognition sites for the fuel is used in the fuel cell. The anode material is synthesized using a hydrothermal synthesis technique with the fuel as a template. A method of generating electricity using this fuel cell is also disclosed.

    摘要翻译: 一种新型燃料电池使用碳水化合物,醇类或其他有机燃料作为燃料,通过电化学反应发电。 为了催化燃料电池中的电化学反应,并且降低了由电化学反应和燃料中的杂质引起的副产物中毒阳极的可能性,在燃料电池中使用具有用于燃料的分子识别位置的阳极材料。 使用水热合成技术以燃料为模板合成阳极材料。 还公开了使用该燃料电池发电的方法。

    Anode catalyst materials for use in fuel cells
    89.
    发明申请
    Anode catalyst materials for use in fuel cells 失效
    用于燃料电池的阳极催化剂材料

    公开(公告)号:US20020146614A1

    公开(公告)日:2002-10-10

    申请号:US09825841

    申请日:2001-04-05

    摘要: Catalyst materials having a surface comprising a composition Mx/Pty/Sub; wherein M is selected from the group of elements Fe, Co, Rh and Ir; or wherein M represents two different elements selected from the group comprising Fe, Co, Rh, Ir, Ni, Pd, Cu, Ag, Au and Sn; and wherein Sub represents a substrate material selected from Ru and Os; the respective components being present within specific ranges, display improved properties for use in anodes for low-temperature fuel cell anodes for PEMFC fuel cells and direct methanol fuel cells.

    摘要翻译: 具有包含组合物Mx / Pty / Sub的表面的催化剂材料; 其中M选自元素Fe,Co,Rh和Ir; 或其中M表示选自Fe,Co,Rh,Ir,Ni,Pd,Cu,Ag,Au和Sn中的两种不同的元素; 并且其中Sub表示选自Ru和Os的基材; 相应的组分存在于特定范围内,显示出用于PEMFC燃料电池和直接甲醇燃料电池的低温燃料电池阳极的阳极的改进的性能。