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公开(公告)号：US20100159357A1
公开(公告)日：2010-06-24
申请号：US12225368
申请日：2007-04-03
IPC分类号： H01M2/14
CPC分类号： H01M8/0221 , B29C43/021 , B29C43/18 , B29C43/203 , B29C2043/023 , B29C2043/3416 , B29C2043/468 , B29K2105/256 , B29K2303/04 , B29K2303/06 , B29K2503/04 , B29L2031/3468 , H01M8/0213 , H01M8/0228 , H01M8/0243 , H01M8/0247 , H01M2008/1095 , Y02P70/56
摘要： In order to attain excellent electrical conductivity and molding processability, a fuel cell separator to be produced by performing press molding on a preform in which expanded graphite is used as the main raw material is improved so that the preform is produced by a papermaking method, whereby the characteristics of the mechanical strength, the flexibility, and the gas impermeability are improved, and a light and compact configuration that is preferred in the automobile use or the like can be realized. In a fuel cell separator which is to be produced by performing press molding on a preform 14 that is formed into a plate-like shape, with a molding die, therefore, the preform 14 is configured into a sandwich structure where a second sheet 14B in which a phenol resin is applied to graphite is interposed between a pair of first sheets 14A made by impregnating a sheet-like member with a phenol resin, the sheet-like member being obtained by a papermaking process using a raw material in which a fibrous filler is added to expanded graphite.
摘要翻译： 为了获得优异的导电性和成型加工性，通过对以膨胀石墨为主要原料的预成型体进行加压成型而制造的燃料电池用隔膜得到改善，通过造纸方式制造预成型体，由此 机械强度，柔性和气体不透性的特征得到改善，并且可以实现在汽车用途等中优选的轻且紧凑的构造。 因此，在通过对成形为板状的预成型体14进行加压成形而制造的燃料电池用隔板中，因此，在成形模具中，将预成型体14构成为夹层结构， 将酚醛树脂施加到石墨上的一对第一片材14A插入在通过浸渍片状构件与酚醛树脂制成的一对第一片材14A之间，该片状构件通过造纸工艺获得，使用原料，其中纤维状填料 添加到膨胀石墨中。
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公开(公告)号：US07033692B1
公开(公告)日：2006-04-25
申请号：US10168766
申请日：2000-10-23
CPC分类号： H01M8/0258 , C04B35/522 , C04B35/532 , C04B2235/425 , C04B2235/48 , C04B2235/5292 , C04B2235/5427 , C04B2235/5436 , C04B2235/604 , H01M8/0213 , H01M8/0226 , H01M8/026 , H01M8/0267 , H01M8/04029 , H01M8/241 , H01M8/2457 , H01M8/2483 , H01M2008/1095
摘要： According to the invention, in a separator molded member (4A) for a fuel cell which is produced by: loading a complex compound that is configured by bonding graphite powder by means of a thermosetting resin, into a mold (14); and forming ribs (11) for forming gas passages by the resin molding process, the surfaces of the ribs (11) are alkali-treated by, for example, etching by using an alkaline solution, and graphite particles (14) which are flat and soft are exposed from the top surfaces of the ribs (11) which function as a contact surface with an electrode in the separator molded member (4A), and resin defective portions (15) are formed between adjacent graphite particles (14), whereby the contact area with an electrode is enlarged, so that the performance and efficiency of the fuel cell can be improved by remarkable lowering of the contact resistance.
摘要翻译： 根据本发明，在用于燃料电池的隔板模制构件（4A）中，其通过以下方法制造：将通过热固性树脂粘合石墨粉末而构成的络合物加载到模具（14）中; 以及通过树脂模制工艺形成用于形成气体通道的肋（11），肋（11）的表面通过例如使用碱性溶液的蚀刻和平坦的石墨颗粒（14）进行碱处理， 柔软的凸起从肋（11）的顶面露出，其作为与隔膜模制构件（4A）中的电极的接触表面，并且在相邻的石墨颗粒（14）之间形成树脂缺陷部分（15），由此 与电极的接触面积扩大，能够通过显着降低接触电阻来提高燃料电池的性能和效率。
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公开(公告)号：US20060172175A1
公开(公告)日：2006-08-03
申请号：US11392413
申请日：2006-03-29
IPC分类号： H01M8/02
CPC分类号： C04B35/522 , C04B35/532 , C04B2235/425 , C04B2235/48 , C04B2235/5292 , C04B2235/5427 , C04B2235/5436 , C04B2235/604 , H01M8/0213 , H01M8/0221 , H01M8/0226 , H01M8/0247 , H01M8/0258 , H01M8/0267 , H01M8/04029 , H01M8/1007 , H01M8/241 , H01M8/2457 , H01M8/2483
摘要： According to the invention, in a separator molded member (4A) for a fuel cell which is produced by: loading a complex compound that is configured by bonding graphite powder by means of a thermosetting resin, into a mold (14); and forming ribs (11) for forming gas passages by the resin molding process, a section of the separator molded member is formed into a stack structure in which part of flat graphite particles (14) overlap with one another in the thickness direction, whereby the gas impermeability, the mechanical strength, and the conductivity which are required in a fuel cell separator can be improved.
摘要翻译： 根据本发明，在用于燃料电池的隔板模制构件（4A）中，其通过以下方法制造：将通过热固性树脂粘合石墨粉末而构成的络合物加载到模具（14）中; 并且通过树脂模制工艺形成用于形成气体通道的肋（11），隔板模制构件的一部分形成为平坦的石墨颗粒（14）的一部分在厚度方向上彼此重叠的堆叠结构，由此， 可以提高燃料电池隔板中所需的气体不透气性，机械强度和导电性。
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公开(公告)号：US6089965A
公开(公告)日：2000-07-18
申请号：US351161
申请日：1999-07-12
IPC分类号： B24B37/20 , B24B37/22 , B24B37/24 , B24B37/26 , B24D13/12 , B24D13/14 , H01L21/304 , B24B37/04
摘要： A polishing pad that can polish the surface of work pieces, such as semiconductor silicon wafers, with satisfactory results. Polishing pad 1.sub.1 is formed of a large number of resin polishing elements 11, all tubular with a very small diameter, inseparably bound together, outer peripheral surface to outer peripheral surface, with the axial direction tube end faces aligned on a plane, to form a plate structure 10 with two kinds of pores 12, 13, which are regularly positioned and run through the plate structure 10 in the thickness direction. Pad surface 1a of polishing pad 1.sub.1 is formed by the axial direction tube end faces of polishing elements 11 . . . . First pore 12 is the center pore in the polishing element 11. Second pore 13 is formed between the outer peripheral surfaces of the polishing elements 11 . . . .
摘要翻译： 可抛光工件表面的抛光垫，例如半导体硅晶片，结果令人满意。 抛光垫11由大量树脂抛光元件11形成，所述树脂抛光元件11具有非常小的直径，不可分离地结合在一起，外周面与外周面之间，轴向管端面在平面上对准，形成 板结构10具有两个孔12,13，其在厚度方向上定期地定位并穿过板结构10。 抛光垫11的焊盘表面1a由抛光元件11的轴向管端面形成。 。 。 。 第一孔12是研磨元件11中的中心孔。第二孔13形成在研磨元件11的外周面之间。 。 。 。
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公开(公告)号：US20090130534A1
公开(公告)日：2009-05-21
申请号：US12227363
申请日：2007-04-13
申请人： Kazuhiko Otawa , Akira Hashimoto , Nobuhiko Ikeda , Kenichi Horiki , Toshimitsu Tanii , Hiromi Konishi , Hiroshi Itaya
发明人： Kazuhiko Otawa , Akira Hashimoto , Nobuhiko Ikeda , Kenichi Horiki , Toshimitsu Tanii , Hiromi Konishi , Hiroshi Itaya
CPC分类号： C04B35/536 , C04B35/83 , C04B2235/425 , C04B2235/5212 , H01M8/0213 , H01M8/0221 , H01M8/0226 , H01M8/0228 , Y02P70/56
摘要： In order to attain excellent electrical conductivity and molding processability, a fuel cell separator to be produced by performing press molding on a preform in which expanded graphite is used as the main raw material is improved so that the preform is produced by a papermaking method, whereby the characteristics of the mechanical strength, the flexibility, and the gas impermeability are improved, and the moldability is made excellent so that a light and compact configuration that is preferred in the automobile use or the like can be realized. In a fuel cell separator which is to be produced by performing press molding on a preform 14 that is formed into a plate-like shape, with a molding die, therefore, the preform 14 is configured into a sandwich structure where a first sheet 14A made by impregnating a sheet-like member with a phenol resin, the sheet-like member being obtained by a papermaking process using a raw material in which a fibrous filler is added to expanded graphite, is interposed between a pair of second sheets 14B in which a phenol resin is applied to graphite.
摘要翻译： 为了获得优异的导电性和成型加工性，通过对以膨胀石墨为主要原料的预成型体进行加压成型而制造的燃料电池用隔膜得到改善，通过造纸方式制造预成型体，由此 提高了机械强度，柔软性和气体不透性的特性，并且成型性优异，从而可以实现在汽车用途等中优选的轻型和紧凑型结构。 因此，在通过对成形为板状的预成型体14进行加压成形而制造的燃料电池用隔板中，因此，在成型模具中，将预成型体14构成为第一片14A 通过用酚醛树脂浸渍片状构件，通过使用其中向膨胀石墨中加入纤维状填料的原料的造纸方法获得的片状构件插入在一对第二片14B之间，其中 将酚醛树脂应用于石墨。
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公开(公告)号：US07029783B1
公开(公告)日：2006-04-18
申请号：US10168765
申请日：2000-10-23
IPC分类号： H01M8/02
CPC分类号： B29C43/003 , B29C43/021 , B29C43/203 , B29C2043/023 , B29K2303/06 , B29K2503/04 , B29L2031/3468 , C04B35/522 , C04B35/532 , C04B2235/425 , C04B2235/48 , C04B2235/5292 , C04B2235/5427 , C04B2235/5436 , C04B2235/604 , H01M8/0213 , H01M8/0226 , H01M8/0258 , H01M8/026 , H01M8/0267 , H01M8/04029 , H01M2250/00 , Y02P70/56
摘要： According to the invention, in a separator (4) for a fuel cell which is produced by: loading a complex compound that is configured by bonding graphite powder by means of a thermosetting resin, into a mold (14); and forming ribs (11) for forming gas passages by the resin molding process, the surfaces of the ribs (11) are etched by an alkaline solution or alkali-treated, a surface resin layer which is formed on the surface of the separator (4) is removed away, and graphite particles showing a plate-like form are exposed from the surfaces of the ribs (11) which function as a contact surface with an electrode, whereby the contact resistance with an electrode is remarkably lowered, so that the performance and efficiency of the fuel cell can be improved.
摘要翻译： 根据本发明，在燃料电池用隔板（4）中，通过以下方法制造：通过将通过热固性树脂粘合石墨粉末而构成的配合物加载到模具（14）中; 以及通过树脂模制工艺形成用于形成气体通道的肋（11），肋（11）的表面通过碱溶液或碱处理而蚀刻，形成在隔板（4）的表面上的表面树脂层 ）被除去，并且从作为与电极的接触面的肋（11）的表面露出呈板状的石墨粒子，由此与电极的接触电阻显着降低，从而性能 可以提高燃料电池的效率。
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公开(公告)号：US06864008B2
公开(公告)日：2005-03-08
申请号：US10029231
申请日：2001-12-20
申请人： Kazuhiko Otawa , Shoji Kato , Katsunori Sugita
发明人： Kazuhiko Otawa , Shoji Kato , Katsunori Sugita
CPC分类号： H01M8/0226 , H01M8/0213 , H01M8/0221 , H01M8/0228 , Y02P70/56
摘要： To provide a separator for a fuel cell made of graphite excellent in mechanical strength and gas impermeability as well as electric characteristic properties, a separator for a fuel cell is produced from a molded body produced by filling a graphite powder 21 whose surface is coated with resin 20 in a molding die and by pressure-molding the powder. Such a molded body is provided with excellent mechanical strength of 40 MPa of bending strength or higher, 10×10−8 cc·cm/cm2·sec·atm of gas permeability or lower, and electric property of 10×10−3 Ω·cm of the volume resistance or lower even if the content of resin is decreased to as low as 10 to 24 wt. %.
摘要翻译： 为了提供一种机械强度和气体不透性以及电特性特性优异的石墨燃料电池用隔板，燃料电池用隔板由填充石墨粉末21而制成的成形体，该石墨粉末21的表面被树脂 20，并通过加压成型粉末。 这种成型体具有优异的机械强度，40MPa的弯曲强度或更高，10×10 -8 Cccm / cm 2·秒或更低的气体渗透性，电特性为10×10 -3 即使树脂的含量降低到10〜24重量％，体积电阻的Ω·cm即可降低。 ％。
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