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1.发明授权Fluoroionomers dispersions having a low surface tension, low liquid viscosity and high solid content 有权具有低表面张力，低液体粘度和高固体含量的氟代离聚物分散体公开(公告)号：US09450262B2
公开(公告)日：2016-09-20
申请号：US13376641
申请日：2010-06-10
申请人： Luca Merlo , Alessandro Ghielmi , Vincenzo Arcella
发明人： Luca Merlo , Alessandro Ghielmi , Vincenzo Arcella
CPC分类号： H01M8/1039 , B01J39/20 , C08J5/2281 , C08J2327/18 , H01M8/1025 , H01M8/106 , H01M8/1062 , H01M2008/1095 , H01M2300/0082 , Y02E60/523 , Y02P70/56 , Y10T428/24752
摘要： The invention pertains to a process for manufacturing certain (per)fluoroionomer liquid compositions, comprising, inter alia, at least one of fluorination and treatment with a polar solvent, to the liquid compositions therefrom having an improved solids content/surface tension/liquid viscosity compromise, to the use of the same for manufacturing composite membranes and to composite membranes obtainable therefrom.
摘要翻译： 本发明涉及用于制造某些（全）氟代离聚物液体组合物的方法，其特别包括氟极化和极性溶剂处理中的至少一种，其具有改进的固体含量/表面张力/液体粘度损害的液体组合物 ，使用它们制造复合膜和可从其获得的复合膜。
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公开(公告)号：US08404400B2
公开(公告)日：2013-03-26
申请号：US12305032
申请日：2007-06-25
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）。
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公开(公告)号：US20070066691A1
公开(公告)日：2007-03-22
申请号：US11375593
申请日：2006-03-15
IPC分类号： C08J5/20
CPC分类号： B01D71/32 , B01D67/0013 , B01D69/10 , B01D69/141 , B01D2323/08 , B01D2323/46 , B01D2325/28 , C08J5/2281 , C08J2327/18
摘要： A composite ionomeric membrane comprising a layer or film of a porous inert material on which a (per) fluorinated sulphonic ionomer is deposited wherein the sulphonic groups are at the end of short side chains (SSC), said ionomer having: equivalent weight comprised between 280 and 1,700 g/eq; side chains of formula: —O—CF2—CF2—S03−M+, wherein M is hydrogen or an alkaline metal; said membrane having in each of the two orthogonal directions xy of the plane, after dipping in demineralized water at 100° C. for 30 minutes and preliminary drying at 105° C. under vacuum for one hour, the following size variations: in one direction, size variation lower than 25%; in the other direction, size variation lower than 20%.
摘要翻译： 一种复合离聚物膜，其包含多孔惰性材料的层或膜，在其上沉积（全）氟化磺酸离聚物，其中所述磺基位于短侧链（SSC）的末端，所述离聚物具有：当量重量在280 和1,700g / eq; 式：-O-CF 2 -CF 2 -SOR 3 - M + - + - ，其中M 是氢或碱金属; 所述膜在平面的两个正交方向xy中的每一个中，在100℃的软化水中浸渍30分钟，并在105℃下在真空下预干燥1小时，以下尺寸变化：在一个方向上 ，尺寸变化低于25％; 在另一个方向，尺寸变化低于20％。
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公开(公告)号：US08207235B2
公开(公告)日：2012-06-26
申请号：US12445420
申请日：2007-10-16
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。
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公开(公告)号：US07824788B2
公开(公告)日：2010-11-02
申请号：US11375605
申请日：2006-03-15
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。
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公开(公告)号：US07399791B2
公开(公告)日：2008-07-15
申请号：US11110745
申请日：2005-04-21
IPC分类号： C08J5/20
CPC分类号： B01D71/32 , C08J5/225 , C08J2327/12 , C25B13/08 , H01M8/1027 , H01M8/1039 , H01M8/1067 , H01M8/1069 , H01M2300/0082 , Y02P70/56
摘要： Ionomeric membranes comprising (per)fluorinated, se-micrystalline or amorphous, ionomeric polymers, having equivalent weight (EW) from 380 g/eq to 1,800 g/eq, which used in fuel cells, under the following conditions: membrane thickness 50 μm assembled between two electrodes catalyzed with 0.6 mg/cm2 Pt/C and treated with 0.7 mg/cm2 of Nafion®, having a 10 cm2 area; hydrogen and air feeding, both at the pressure of 0.25 MPa, both saturated with water at 80° C.; cell temperature 75° C.; for membranes formed of copolymers TFE/F2C═CF—O—(CF2)2—SO2F, give the following maximum specific power (PMAX) values, at the indicated EW values: at EW=670 PMAX higher than 0.55 Watt/cm2; at EW=830 PMAX higher than 0.66 Watt/cm2; at EW=1,160 PMAX higher than 0.50 Watt/cm2; at EW=1,600 PMAX higher than 0.32 Watt/cm2.
摘要翻译： 离子聚合物膜包含在以下条件下用于燃料电池的（全）氟化，结晶或无定形离聚物聚合物，其具有380g / eq至1,800g / eq当量的等效重量（EW）：组装的膜厚度50μm 在用0.6mg / cm 2 Pt / C催化的两个电极之间，并用0.7mg / cm 2的Nafion处理，其具有10cm 2 / / SUP>区域; 氢气和空气进料，两者在0.25MPa的压力下，均在80℃下用水饱和; 电池温度为75℃。 对于由共聚物形成的膜TFE / F 2 C-CF-O-（CF 2）2 -SO 2 2 F，在指定的EW值下给出以下最大比功率（P MAX）：在EW = 670 P最高高于0.55瓦特/厘米 2 ; 在高于0.66Watt / cm 2的EW = 830P最大值 在EW = 1,160 P MAX高于0.50Watt / cm 2的情况下， 在高于0.32瓦/厘米2的EW = 1,600P最高。
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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
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。
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公开(公告)号：US08536237B2
公开(公告)日：2013-09-17
申请号：US11374467
申请日：2006-03-14
IPC分类号： C08J5/20
CPC分类号： C08J5/2237 , B01D71/32 , B01D71/82 , C08J2327/12 , H01M8/1025 , H01M8/1039 , H01M8/1081 , Y02P70/56
摘要： An ionomeric membrane formed of a sulphonic (per)fluorinated ionomer wherein the sulphonic groups are at the end of short side chains (SSC), said ionomer having: equivalent weight between 700 and 1600 g/eq; side chains of formula: —O—CF2—CF2—SO3−M+, wherein M is hydrogen or an alkaline metal; said membrane having the following combination of properties: size variations, for both the orthogonal directions xy of the plane, lower than 15%, measured after dipping of the ionomeric membrane, dried at 105° C. under vacuum for one hour, in demineralized water at 100° C. for 30 minutes; the membrane, dipped at the temperature of 50° C. for 22 hours in a water/ethanol mixture containing 40% by weight of alcohol, remains integral.
摘要翻译： 由磺酸（全）氟化离聚物形成的离聚物膜，其中磺基在短侧链（SSC）的末端，所述离聚物具有700至1600g / eq当量的当量; 式-O-CF2-CF2-SO3-M +的侧链，其中M为氢或碱金属; 所述膜具有以下特性组合：在垂直方向xy的平面上的尺寸变化小于15％，在离聚物膜浸渍后，在105℃真空干燥1小时，在软化水中 在100℃下30分钟; 膜在50℃的温度下浸渍在含有40重量％醇的水/乙醇混合物中22小时保持一体。
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公开(公告)号：US07943267B2
公开(公告)日：2011-05-17
申请号：US11645539
申请日：2006-12-27
申请人： Luca Merlo , Alessandro Ghielmi , Vincenzo Arcella
发明人： Luca Merlo , Alessandro Ghielmi , Vincenzo Arcella
CPC分类号： H01M8/0271 , H01M4/921 , H01M4/926 , H01M8/0273 , H01M8/0276 , H01M8/1004 , H01M8/1023 , H01M8/1039 , H01M8/1067 , H01M2008/1095 , Y02P70/56
摘要： Assemblies or MEA devices (Membrane Electrode Assembly) comprising a membrane and two electrocatalytic layers on each side thereof, wherein: the area of each of the two electrocatalytic layers is lower than that of the membrane; on each of the two sides of the ionomeric membrane there is at least one subgasket, applied on the MEA non catalyzed area; the edges of the ionomeric membranes being enclosed among said subgaskets.
摘要翻译： 组件或MEA装置（膜电极组件），其每侧包括膜和两个电催化层，其中：两个电催化层中的每一个的面积低于膜的面积; 在离聚物膜的两侧各有至少一个垫片，施加在MEA非催化区域上; 离聚物膜的边缘被封闭在所述子垫中。
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公开(公告)号：US20100040912A1
公开(公告)日：2010-02-18
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。
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