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    • 9. 发明授权
    • Metallization of a porous silicon zone by in situ reduction and application to a fuel cell
    • 通过原位还原和应用于燃料电池来多孔硅区域的金属化
    • US08545932B2
    • 2013-10-01
    • US12893613
    • 2010-09-29
    • Frederic-Xavier GaillardOlivier Raccurt
    • Frederic-Xavier GaillardOlivier Raccurt
    • B05D5/12
    • H01M8/0232C23C18/1601C23C18/1603C23C18/1639C23C18/1644C23C18/166C23C18/1865C23C18/1882C23C18/31C23C18/54
    • A porous silicon zone is metallized by performing in situ reduction of metallic ions dissolved in an aqueous solution and fixing of the metallic particles obtained on said zone in a single step. This step consists in particular in bringing the solution containing the metallic ions into contact with the zone to be metallized, the surface whereof has previously been functionalized to enable in situ reduction of the metallic ions and fixing of the metallic particles. Functionalization of the porous silicon zone is achieved by grafting two particular and distinct types of chemical functions. The first function used is a chelating chemical function for the metallic ions and/or for the metal corresponding to the metallic ions, whereas the second function is a reducing chemical function for the metallic ions. Such a metallization can be used for producing an electrically conducting porous diffusion layer of a fuel cell.
    • 通过原位还原溶解在水溶液中的金属离子并在单一步骤中固定在所述区域上获得的金属颗粒,多孔硅区域被金属化。 该步骤特别在于使含有金属离子的溶液与要金属化的区域接触,其表面已经被官能化以使金属离子原位还原和固定金属颗粒。 多孔硅区域的功能化是通过接枝两种特殊和不同类型的化学功能来实现的。 所使用的第一功能是金属离子和/或对应于金属离子的金属的螯合化学功能,而第二个功能是金属离子的还原化学功能。 这种金属化可用于制造燃料电池的导电多孔扩散层。
    • 10. 发明授权
    • Non-electrolytic method for metallizing a substrate by the reduction of metallic salt(s) and the spraying of aerosol(s)
    • 通过金属盐的还原和气溶胶的喷射对基板进行金属化的非电解方法
    • US08507043B2
    • 2013-08-13
    • US12515461
    • 2007-11-26
    • Samuel Stremsdoerfer
    • Samuel Stremsdoerfer
    • B05D3/00
    • C23C18/40C23C18/1617C23C18/1619C23C18/1658C23C18/166C23C18/1675C23C18/1683C23C18/34Y02T50/67
    • The invention relates to a non-electrolytic method for metallizing a substrate by projecting an aerosol containing a solution of an oxidant metallic cation and of a reducing agent; said method comprising a step of -a- wetting the substrate; starting to project a metallisation according to a succession of projecting phases alternating with relaxing phases: (i) by adjusting the duration Dp of the projection phases and the duration Dr of the relaxing phases from a metallisation constant k intrinsic for each metal; and (ii) by adjusting the projection flow-rate. The metallisation projection is carried out dynamically by displacing projection means relative to the substrate in order to carry out a periodical scanning, wherein Dp correspond to the duration during which the surface unit in question is submitted to the continuous projection of the aerosol and Dr corresponds to the duration during which the part is not submitted to projection.
    • 本发明涉及一种用于通过投射包含氧化剂金属阳离子和还原剂的溶液的气溶胶来金属化基底的非电解方法; 所述方法包括 - 润湿所述基底的步骤; 开始根据一系列突变阶段与松弛相交替进行金属化:(i)通过从每个金属的固有金属化常数k调整投影相的持续时间Dp和松弛相的持续时间Dr; 和(ii)通过调整投影流量。 通过相对于衬底相对于衬底移位投影装置来动态地执行金属化投影,以便执行周期性扫描,其中Dp对应于所讨论的表面单元被提交到气溶胶的连续投影的持续时间,并且Dr对应于 该部分未提交投影的期限。