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    Catalyst-polymer liquid dispersion for fuel cell applications
    2.
    发明授权
    Catalyst-polymer liquid dispersion for fuel cell applications 失效
    用于燃料电池应用的催化剂 - 聚合物液体分散体

    公开(公告)号：US08404400B2

    公开(公告)日：2013-03-26

    申请号：US12305032

    申请日：2007-06-25

    申请人： Alessandro Ghielmi ,  Luca Merlo ,  Gilberto Nucida ,  Vincenzo Arcella

    发明人： Alessandro Ghielmi ,  Luca Merlo ,  Gilberto Nucida ,  Vincenzo Arcella

    IPC分类号： H01M4/02 ,  H01M4/36

    CPC分类号： H01M4/881 ,  H01M4/8828 ,  H01M4/92 ,  H01M4/926 ,  H01M2300/0082

    摘要： Catalyst-polymer liquid dispersion (LD) comprising (i) catalyst particles, (ii) polymer particles consisting of at least one (per)fluoro sulfonyl fluoride polymer in the —SO2F form, and (iii) an aqueous suspending medium.Catalyst coated membrane precursor (CCMP), catalyst coated membrane (CCM) and catalytic ionomeric ink (CII) derived therefrom and methods for their manufacture. Catalyst coated membrane (CCM-CII) derived from said (CII).

    摘要翻译： 催化剂 - 聚合物液体分散体（LD），其包含（i）催化剂颗粒，（ii）由-SO 2 F形式的至少一种（全）氟磺酰氟聚合物组成的聚合物颗粒，和（iii）水性悬浮介质。 催化剂涂覆膜前体（CCMP），催化剂涂覆膜（CCM）和催化离聚物油墨（CII）及其制备方法。 衍生自所述（CII）的催化剂涂覆膜（CCM-CII）。

    Process for stabilizing fluoropolymer having ion exchange groups
    3.
    发明授权
    Process for stabilizing fluoropolymer having ion exchange groups 有权
    用于稳定具有离子交换基团的含氟聚合物的方法

    公开(公告)号：US08207235B2

    公开(公告)日：2012-06-26

    申请号：US12445420

    申请日：2007-10-16

    申请人： Vincenzo Arcella ,  Luca Cirillo ,  Alessandro Ghielmi ,  Luca Merlo ,  Stefano Millefanti

    发明人： Vincenzo Arcella ,  Luca Cirillo ,  Alessandro Ghielmi ,  Luca Merlo ,  Stefano Millefanti

    IPC分类号： C08J5/22 ,  B01J39/20

    CPC分类号： C08J5/2237 ,  C08F8/22 ,  C08F214/18 ,  C08F214/26 ,  C08J2327/18 ,  H01M8/1023 ,  H01M8/1025 ,  H01M8/1039 ,  H01M8/1072 ,  H01M2300/0082 ,  Y02P70/56

    摘要： The invention pertains to a process for stabilizing a semi-crystalline fluoropolymer comprising ion exchange groups, said process comprising: suspending at least one semi-crystalline fluoropolymer having ion exchange groups [polymer (I)] in at least one fluorinated organic dispersing medium [medium (M)] so as to obtain a dispersion (D) of polymer (I) in a dispersing medium (M); contacting said dispersion (D) with fluorine under irradiation with U.V. radiation so as to obtain a stabilized polymer. Still objects of the invention are a stable semi-crystalline fluoropolymer as above defined having a low amount of unstable ends groups of —COF type, the use of the stabilized fluoropolymer obtained by the process or of the stable fluoropolymer in fuel cells devices, a membrane and a membrane-electrode assembly comprising said fluoropolymers.

    摘要翻译： 本发明涉及一种稳定包含离子交换基团的半结晶含氟聚合物的方法，所述方法包括：在至少一种氟化有机分散介质[介质中]悬浮至少一种具有离子交换基团[聚合物（I）]的半结晶含氟聚合物 （M）]，得到分散介质（M）中的聚合物（I）的分散液（D）。 在与紫外线照射下使所述分散体（D）与氟接触。 辐射以获得稳定的聚合物。 本发明的另一目的是如上定义的稳定的半结晶含氟聚合物，其具有少量-COF型的不稳定端基，通过该方法获得的稳定的含氟聚合物或在燃料电池装置中使用稳定的含氟聚合物，膜 以及包含所述含氟聚合物的膜 - 电极组件。

    CCM composite
    4.
    发明授权
    CCM composite 有权
    CCM复合材料

    公开(公告)号：US07824788B2

    公开(公告)日：2010-11-02

    申请号：US11375605

    申请日：2006-03-15

    申请人： Vincenzo Arcella ,  Alessandro Ghielmi ,  Paola Vaccarono ,  Luca Merlo

    发明人： Vincenzo Arcella ,  Alessandro Ghielmi ,  Paola Vaccarono ,  Luca Merlo

    IPC分类号： H01M2/00

    CPC分类号： B01D71/82 ,  B01D67/0006 ,  B01D71/32 ,  B01D2323/24 ,  B01D2325/10 ,  H01M4/921 ,  H01M8/1004 ,  H01M8/1011 ,  H01M8/1023 ,  H01M8/1039 ,  H01M8/1081 ,  H01M8/109 ,  Y02E60/523 ,  Y02P70/56 ,  Y10T428/24372

    摘要： CCM formed of a membrane having on one of the two surfaces a first electrocatalytic layer containing a catalyst and on the other one a second electrocatalytic layer containing a catalyst, said electrocatalytic layers and said membrane containing (per)fluorinated ionomers, said CCM having the following characteristics: size variations, for both the orthogonal directions of the plane xy, lower than 15%, by dipping the CCM, after drying at 105° C. under vacuum for one hour in demineralized water at 100° C. for 30 minutes; the CCM remains substantially unchanged after having been subjected to treatments of 60 cycles by dipping in water at 80° C. for 8 hours and then in water at the temperature of 25° C. for 16 hours.

    摘要翻译： CCM由具有在两个表面中的一个表面上的含有催化剂的第一电催化剂层和另一个包含催化剂的第二电催化剂层，所述电催化层和所述膜含有（全）氟化离聚物，所述CCM具有以下 特性：在105℃下在100℃下在软化水中真空干燥1小时30分钟后，通过浸渍CCM，平面xy的正交方向，低于15％的尺寸变化，小于15％ 在经过80℃的水中浸渍8小时，然后在25℃的水中浸渍16小时后，经过60个循环的处理后，CCM基本上保持不变。

    Process for operating a fuel cell in dry conditions
    6.
    发明授权
    Process for operating a fuel cell in dry conditions 有权
    在干燥条件下操作燃料电池的方法

    公开(公告)号：US08232012B2

    公开(公告)日：2012-07-31

    申请号：US12520017

    申请日：2007-12-20

    申请人： Vincenzo Arcella ,  Alessandro Ghielmi ,  Luca Merlo

    发明人： Vincenzo Arcella ,  Alessandro Ghielmi ,  Luca Merlo

    IPC分类号： H01M8/10

    CPC分类号： C08J5/2237 ,  C08J2327/18 ,  H01M8/04007 ,  H01M8/04089 ,  H01M8/04126 ,  H01M8/1025 ,  H01M8/1039 ,  H01M8/1067

    摘要： The invention pertains to a process for operating a polymer electrolyte membrane fuel cell (PEMFC), said PEMFC comprising: (a) a membrane comprising at least one fluorinated ionomer [polymer (I)] comprising recurring units derived from tetrafluoroethylene (TFE) and from at least one monomer of formula (M): wherein m is an integer between 1 and 6 and X′ is chosen among halogens (Cl, F, Br, I), —O−M+, wherein M+ is a cation selected among H+, NH4+, K+, Li+, Na+, or mixtures thereof, said polymer (I) having an equivalent weight (EW) of from 700 to 850 g/eq.; (b) a cathode; (c) an anode; said process comprising: (i) feeding gaseous reactants at the electrodes at a relative humidity of at most 66%; (ii) maintaining an average current density between 0.05 and 1.5 A/cm2; and (iii) maintaining an average temperature of more than 65° C.

    摘要翻译： 本发明涉及一种操作聚合物电解质膜燃料电池（PEMFC）的方法，所述PEMFC包括：（a）包含至少一种氟化离聚物[聚合物（I）]的膜，其包含衍生自四氟乙烯（TFE）的重复单元和 至少一种式（M）的单体：其中m是1和6之间的整数，X'选自卤素（Cl，F，Br，I），-O-M +，其中M +是选自H +， NH 4 +，K +，Li +，Na +或其混合物，所述聚合物（I）的当量重量（EW）为700至850g / eq; （b）阴极; （c）阳极; 所述方法包括：（i）在至多66％的相对湿度下在电极处输入气态反应物; （ii）保持0.05至1.5A / cm2之间的平均电流密度; 和（iii）保持超过65℃的平均温度。

    CCM COMPOSITE
    8.
    发明申请
    CCM COMPOSITE 有权
    CCM复合材料

    公开(公告)号：US20110052798A1

    公开(公告)日：2011-03-03

    申请号：US12890473

    申请日：2010-09-24

    申请人： Vincenzo Arcella ,  Alessandro Ghielmi ,  Paola Vaccarono ,  Luca Merlo

    发明人： Vincenzo Arcella ,  Alessandro Ghielmi ,  Paola Vaccarono ,  Luca Merlo

    IPC分类号： H01M8/10 ,  H01M8/00

    CPC分类号： B01D71/82 ,  B01D67/0006 ,  B01D71/32 ,  B01D2323/24 ,  B01D2325/10 ,  H01M4/921 ,  H01M8/1004 ,  H01M8/1011 ,  H01M8/1023 ,  H01M8/1039 ,  H01M8/1081 ,  H01M8/109 ,  Y02E60/523 ,  Y02P70/56 ,  Y10T428/24372

    摘要： CCM formed of a membrane having on one of the two surfaces a first electrocatalytic layer containing a catalyst and on the other one a second electrocatalytic layer containing a catalyst, said electrocatalytic layers and said membrane containing (per)fluorinated ionomers, said CCM having the following characteristics: size variations, for both the orthogonal directions of the plane xy, lower than 15%, by dipping the CCM, after drying at 105° C. under vacuum for one hour in demineralized water at 100° C. for 30 minutes; the CCM remains substantially unchanged after having been subjected to treatments of 60 cycles by dipping in water at 80° C. for 8 hours and then in water at the temperature of 25° C. for 16 hours.

    摘要翻译： CCM由具有在两个表面中的一个表面上的含有催化剂的第一电催化剂层和另一个包含催化剂的第二电催化剂层，所述电催化层和所述膜含有（全）氟化离聚物，所述CCM具有以下 特性：在105℃下在100℃下在软化水中真空干燥1小时30分钟后，通过浸渍CCM，平面xy的正交方向，低于15％的尺寸变化，小于15％ 在经过80℃的水中浸渍8小时，然后在25℃的水中浸渍16小时后，经过60个循环的处理后，CCM基本上保持不变。

    Assemblies for electrochemical devices
    9.
    发明授权
    Assemblies for electrochemical devices 有权
    电化学装置组件

    公开(公告)号：US09190687B2

    公开(公告)日：2015-11-17

    申请号：US12306883

    申请日：2007-06-25

    申请人： Vincenzo Arcella ,  Luca Merlo ,  Alessandro Ghielmi

    发明人： Vincenzo Arcella ,  Luca Merlo ,  Alessandro Ghielmi

    IPC分类号： H01M4/86 ,  H01M8/10 ,  H01M4/90 ,  H01M4/92 ,  H01M8/02

    CPC分类号： H01M8/1004 ,  H01M4/8605 ,  H01M4/90 ,  H01M4/921 ,  H01M4/926 ,  H01M8/0234 ,  H01M8/0239 ,  H01M8/0243 ,  H01M8/0271 ,  H01M8/0289 ,  H01M8/1023 ,  H01M8/1025 ,  H01M8/1039 ,  H01M8/1067 ,  H01M8/1093 ,  Y02E60/521 ,  Y02P70/56

    摘要： MEA 7-layer assemblies with gasket, comprising: a film of ionomeric membrane (3), containing functional acid groups —SO3H and/or —COOH, having in at least one direction, called direction x, a size variation lower than 0.08%; two GDL sheets (1) and (2) in porous material having on one surface an electrocatalytic layer, not shown in the Figures, of which: the first sheet DGL (1) is coextensive with the membrane (3) surface, positioned so as to overlap thereto; the second sheet GDL (2), having a lower width but the same length of the film of membrane (3), measured in the x direction; the two sheets (1) and (2) placed so that the electrocatalytic layer comes into contact, respectively, with each of the two membrane faces; a gasket positioned according to a frame shape along the assembly perimeter.

    摘要翻译： 具有垫片的MEA7层组件包括：包含官能酸基-SO 3 H和/或-COOH的离聚物膜（3）的膜，在至少一个方向上称为方向x，尺寸变化小于0.08％; 两个GDL片（1）和（2）在多孔材料中，在一个表面上具有电催化层，图中未示出，其中：第一片DGL（1）与膜（3）表面共同延伸， 与其重叠; 第二片材GDL（2）在x方向上测量的膜的宽度较低但长度相同; 将两片（1）和（2）放置成使得电催化层分别与两个膜面中的每一个接触; 沿着组件周边根据框架形状定位的垫圈。