公开(公告)号：US20120064232A1

公开(公告)日：2012-03-15

申请号：US12807651

申请日：2010-09-10

申请人： Keisuke Yamazaki ,  Wataru Hisada ,  Hiroshi Kihira ,  Koki Tanaka

发明人： Keisuke Yamazaki ,  Wataru Hisada ,  Hiroshi Kihira ,  Koki Tanaka

IPC分类号： H01M2/16

CPC分类号： H01M8/0208 ,  H01M8/0206 ,  H01M8/021 ,  H01M8/0228 ,  H01M2008/1095

摘要： The present invention provides a method of treatment for imparting conductivity to a surface of a separator-use base member resulting in little distortion and superior conductive performance for a separator-use base member of a solid polymer type fuel cell made of any of a sheet of stainless steel, titanium, or titanium alloy, comprising a step of spray coating and drying on the surface of the separator-use base member a suspension prepared by mixing conductive compound particles 3 of an average particle size of 1 to 10 μm with ethanol or water so as to form a conductive compound particle-coated layer 2, a step of blasting the conductive compound particle-coated layer 2 with blast particles 4 having an average particle size of 50 to 200 μm so as to drive the conductive compound particles 3 in the inside direction of the separator-use base member 3 and anchor them there, and a step of cleaning off conductive compound particles 3 not anchored to the surface of the separator-use base member 1 at that step and impurities.

摘要翻译： 本发明提供了一种用于赋予分离器用基材的表面导电性的方法，其导致由以下任何一种制成的固体聚合物型燃料电池的隔板用基材的变形小和导电性能优异的导电性能 不锈钢，钛或钛合金，包括在分离器用基材的表面上喷涂和干燥通过将平均粒径为1至10μm的导电化合物颗粒3与乙醇或水混合制备的悬浮液的步骤 从而形成导电性化合物粒子涂布层2，将平均粒径为50〜200μm的喷丸4喷射到导电性化合物粒子涂布层2的步骤，将导电性化合物粒子3驱动在 分离器用基材3的内侧方向并将其固定在那里，清理未固定在隔板用基材表面的导电性化合物颗粒3的工序 mber 1在那一步和杂质。

公开(公告)号：US07807281B2

公开(公告)日：2010-10-05

申请号：US11922302

申请日：2006-06-22

申请人： Hiroshi Kihira ,  Michio Kaneko ,  Mitsuharu Yamagata ,  Koki Tanaka ,  Yoichi Ikematsu ,  Yoichi Matsuzaki ,  Kazuto Kawakami ,  Wataru Hisada ,  Suguru Suzuki

发明人： Hiroshi Kihira ,  Michio Kaneko ,  Mitsuharu Yamagata ,  Koki Tanaka ,  Yoichi Ikematsu ,  Yoichi Matsuzaki ,  Kazuto Kawakami ,  Wataru Hisada ,  Suguru Suzuki

IPC分类号： H01M2/02

CPC分类号： H01M8/0206 ,  B22F1/02 ,  B22F2998/00 ,  C22C29/08 ,  H01M8/021 ,  H01M8/0213 ,  H01M8/0223 ,  H01M2008/1095 ,  Y02P70/56 ,  B22F3/10

摘要： The present invention releases a method of producing a metal separator for a solid polymer fuel cell by stainless steel, titanium, or titanium alloy during which securing lower cost and mass producibility by using a material having a high workability to form a complicated shape by a high productivity, then using an inexpensive blast process to drive a conductive substance into the surface of the metal separator member, that is, provides a stainless steel, titanium, or titanium alloy solid polymer fuel cell separator comprised of stainless steel, titanium, or titanium alloy in the surface of which a low ion release conductive substance is buried, having an arithmetic mean roughness (Ra) of the separator surface of 0.5 to 5.0 μm, having a 10-point mean roughness (Rz) of 3 to 20 μm, having an average spacing of surface relief shapes (Sm) of 300 μm or less, having values of a warp rate and twist rate of a separator of 0.1 or less, and having a contact resistance value with respect to carbon paper of 15 mΩcm2 or less at a surface pressure of 1 MPa.

摘要翻译： 本发明公开了一种通过不锈钢，钛或钛合金制造固体高分子型燃料电池用金属隔板的方法，其中通过使用具有高加工性的材料来确保较低的成本和大量的生产率，以形成高的复杂形状 然后使用廉价的喷射方法将导电物质驱入金属分隔件的表面，即提供由不锈钢，钛或钛合金组成的不锈钢，钛或钛合金固体聚合物燃料电池隔板 在其表面埋设有低离子释放导电物质，具有0.5〜5.0μm的隔膜表面的算术平均粗糙度（Ra），10点平均粗糙度（Rz）为3〜20μm，具有 平均间隔为300μm以下的表面浮雕形状（Sm），隔膜的翘曲率和扭曲率的值为0.1以下，并且具有相对于ca的接触电阻值 在1MPa的表面压力下，15​​m＆OHgr; cm2以下的纸。

公开(公告)号：US08361676B2

公开(公告)日：2013-01-29

申请号：US13227423

申请日：2011-09-07

申请人： Koki Tanaka ,  Youichi Ikematsu ,  Hiroshi Kihira ,  Michio Kaneko ,  Wataru Hisada ,  Tamotsu Itoh

发明人： Koki Tanaka ,  Youichi Ikematsu ,  Hiroshi Kihira ,  Michio Kaneko ,  Wataru Hisada ,  Tamotsu Itoh

IPC分类号： H01M8/04

CPC分类号： H01M8/0228 ,  H01M8/0206 ,  H01M8/0208 ,  H01M8/021 ,  H01M8/0213 ,  H01M2008/1095 ,  Y02P70/56

摘要： The present invention provides a method of production of a separator for a solid polymer type fuel cell characterized by shaping a substrate comprised of stainless steel, titanium, or a titanium alloy and then spraying the substrate surface with superhard core particles comprised of conductive compound particles of an average particle size of 0.01 to 20 μm mixed with a coating material and coated on their surfaces under conditions of a spray pressure of 0.4 MPa or less and a spray amount per cm2 of the substrate of 10 to 100 g in blast treatment. The ratio of the conductive compound to the mass of the core particles is 0.5 to 15 mass %.

摘要翻译： 本发明提供了一种固体聚合物型燃料电池用隔膜的制造方法，其特征在于，对由不锈钢，钛或钛合金构成的基材进行成形，然后将由超导体芯粒子 与喷涂处理相比，在喷涂压力为0.4MPa以下，喷涂量为10〜100g的条件下，与涂料混合，平均粒径为0.01〜20μm，涂布于表面。 导电性化合物与芯粒的质量的比率为0.5〜15质量％。

公开(公告)号：US08182961B2

公开(公告)日：2012-05-22

申请号：US12224429

申请日：2007-02-27

申请人： Koki Tanaka ,  Youichi Ikematsu ,  Hiroshi Kihira ,  Michio Kaneko ,  Wataru Hisada ,  Tamotsu Itoh

发明人： Koki Tanaka ,  Youichi Ikematsu ,  Hiroshi Kihira ,  Michio Kaneko ,  Wataru Hisada ,  Tamotsu Itoh

IPC分类号： H01M8/04

CPC分类号： H01M8/0228 ,  H01M8/0206 ,  H01M8/0208 ,  H01M8/021 ,  H01M8/0213 ,  H01M2008/1095 ,  Y02P70/56

摘要： The present invention provides a separator for a solid polymer type fuel cell superior in low contact resistance of the fuel cell separator surface with carbon paper and flatness and a method of production of the same, that is, a separator for a solid polymer type fuel cell comprising a substrate of stainless steel or titanium or a titanium alloy having a surface layer part on which conductive compound particles are fixed, wherein said conductive compound particles are comprised of one or more types of metal borides, metal carbides, and metal nitrides with an average particle size of 0.01 to 20 μm, said conductive compound particles are present in a region from said substrate surface to a depth of 10 μm, and a distribution of concentration of the metal element forming the conductive compound in said region satisfies relations between a concentration C of the metal element forming the conductive compound and a depth x from the substrate surface shown by equation (C=A·exp(−x/t)+B) and equation (10≦A≦90, −4.0≦B≦1.0, 0.5≦t≦4.0).

摘要翻译： 本发明提供了一种固体聚合物型燃料电池用隔膜，其特征在于，具有碳纸和平坦度的燃料电池隔板表面的低接触电阻优良的固体聚合物型燃料电池及其制造方法，即固体聚合物型燃料电池用隔板 包括不锈钢或钛的基板或具有固定有导电化合物颗粒的表面层部分的钛合金，其中所述导电化合物颗粒由一种或多种金属硼化物，金属碳化物和金属氮化物组成，平均 所述导电化合物颗粒存在于从所述基板表面到10μm深度的区域中，并且在所述区域中形成导电化合物的金属元素的浓度分布满足浓度C 形成导电化合物的金属元素和由式（1）表示的衬底表面的深度x（C = A·exp（-x / t）+ B）和等式<2>（10＆nlE; A＆nlE; 90，-4.0＆nlE; B＆nlE; 1.0,0.5＆nlE; t＆nlE; 4.0）。

公开(公告)号：US20090226785A1

公开(公告)日：2009-09-10

申请号：US11922302

申请日：2006-06-22

申请人： Hiroshi Kihira ,  Michio Kaneko ,  Mitsuharu Yamagata ,  Koki Tanaka ,  Yoichi Ikematsu ,  Yoichi Matsuzaki ,  Kazuoto Kawakami ,  Wataru Hisada ,  Suguru Suzuki

发明人： Hiroshi Kihira ,  Michio Kaneko ,  Mitsuharu Yamagata ,  Koki Tanaka ,  Yoichi Ikematsu ,  Yoichi Matsuzaki ,  Kazuoto Kawakami ,  Wataru Hisada ,  Suguru Suzuki

IPC分类号： H01M8/10 ,  H01M2/16 ,  H01M2/00 ,  B05D5/12 ,  G01B11/14

CPC分类号： H01M8/0206 ,  B22F1/02 ,  B22F2998/00 ,  C22C29/08 ,  H01M8/021 ,  H01M8/0213 ,  H01M8/0223 ,  H01M2008/1095 ,  Y02P70/56 ,  B22F3/10

摘要： The present invention releases a method of producing a metal separator for a solid polymer fuel cell by stainless steel, titanium, or titanium alloy during which securing lower cost and mass producibility by using a material having a high workability to form a complicated shape by a high productivity, then using an inexpensive blast process to drive a conductive substance into the surface of the metal separator member, that is, provides a stainless steel, titanium, or titanium alloy solid polymer fuel cell separator comprised of stainless steel, titanium, or titanium alloy in the surface of which a low ion release conductive substance is buried, having an arithmetic mean roughness (Ra) of the separator surface of 0.5 to 5.0 μm, having a 10-point mean roughness (Rz) of 3 to 20 μm, having an average spacing of surface relief shapes (Sm) of 300 μm or less, having values of a warp rate and twist rate of a separator of 0.1 or less, and having a contact resistance value with respect to carbon paper of 15 mΩcm2 or less at a surface pressure of 1 MPa.

摘要翻译： 本发明公开了一种通过不锈钢，钛或钛合金制造固体高分子型燃料电池用金属隔板的方法，其中通过使用具有高加工性的材料来确保较低的成本和大量的生产率，以形成高的复杂形状 然后使用廉价的喷射方法将导电物质驱入金属分隔件的表面，即提供由不锈钢，钛或钛合金组成的不锈钢，钛或钛合金固体聚合物燃料电池隔板 在其表面埋有低离子释放导电物质，具有0.5〜5.0μm的隔膜表面的算术平均粗糙度（Ra），10点平均粗糙度（Rz）为3〜20μm，具有 表面浮雕形状（Sm）的平均间隔为300μm以下，隔膜的翘曲率和捻度的值为0.1以下，并且具有相对于ca的接触电阻值 15mOmegacm2以下的纸，表面压力为1MPa。

公开(公告)号：US20110032537A1

公开(公告)日：2011-02-10

申请号：US12806764

申请日：2010-08-20

申请人： Hiroshi Kihira ,  Michio Kaneko ,  Mitsuharu Yamagata ,  Koki Tanaka ,  Yoichi Ikematsu ,  Yoichi Matsuzaki ,  Kazuto Kawakami ,  Wataru Hisada ,  Suguru Suzuki

发明人： Hiroshi Kihira ,  Michio Kaneko ,  Mitsuharu Yamagata ,  Koki Tanaka ,  Yoichi Ikematsu ,  Yoichi Matsuzaki ,  Kazuto Kawakami ,  Wataru Hisada ,  Suguru Suzuki

IPC分类号： G01B11/24

CPC分类号： H01M8/0206 ,  B22F1/02 ,  B22F2998/00 ,  C22C29/08 ,  H01M8/021 ,  H01M8/0213 ,  H01M8/0223 ,  H01M2008/1095 ,  Y02P70/56 ,  B22F3/10

摘要： The present invention releases a method of producing a metal separator for a solid polymer fuel cell by stainless steel, titanium, or titanium alloy during which securing lower cost and mass producibility by using a material having a high workability to form a complicated shape by a high productivity, then using an inexpensive blast process to drive a conductive substance into the surface of the metal separator member, that is, provides a stainless steel, titanium, or titanium alloy solid polymer fuel cell separator comprised of stainless steel, titanium, or titanium alloy in the surface of which a low ion release conductive substance is buried, having an arithmetic mean roughness (Ra) of the separator surface of 0.5 to 5.0 μm, having a 10-point mean roughness (Rz) of 3 to 20 μm, having an average spacing of surface relief shapes (Sm) of 300 μm or less, having values of a warp rate and twist rate of a separator of 0.1 or less, and having a contact resistance value with respect to carbon paper of 15 mωcm2 or less at a surface pressure of 1 MPa.

摘要翻译： 本发明公开了一种通过不锈钢，钛或钛合金制造固体高分子型燃料电池用金属隔板的方法，其中通过使用具有高加工性的材料来确保较低的成本和大量的生产率，以形成高的复杂形状 然后使用廉价的喷射方法将导电物质驱入金属分隔件的表面，即提供由不锈钢，钛或钛合金组成的不锈钢，钛或钛合金固体聚合物燃料电池隔板 在其表面埋设有低离子释放导电物质，具有0.5〜5.0μm的隔膜表面的算术平均粗糙度（Ra），10点平均粗糙度（Rz）为3〜20μm，具有 平均间隔为300μm以下的表面浮雕形状（Sm），隔膜的翘曲率和扭曲率的值为0.1以下，并且具有相对于ca的接触电阻值 在1MPa的表面压力下为15mωcm2以下的纸。

公开(公告)号：US20090226787A1

公开(公告)日：2009-09-10

申请号：US12224429

申请日：2007-02-27

申请人： Koki Tanaka ,  Youichi Ikematsu ,  Hiroshi Kihira ,  Michio Kaneko ,  Wataru Hisada ,  Tamotsu Itoh

发明人： Koki Tanaka ,  Youichi Ikematsu ,  Hiroshi Kihira ,  Michio Kaneko ,  Wataru Hisada ,  Tamotsu Itoh

IPC分类号： H01M8/10 ,  H01M2/14

CPC分类号： H01M8/0228 ,  H01M8/0206 ,  H01M8/0208 ,  H01M8/021 ,  H01M8/0213 ,  H01M2008/1095 ,  Y02P70/56

摘要： The present invention provides a separator for a solid polymer type fuel cell superior in low contact resistance of the fuel cell separator surface with carbon paper and flatness and a method of production of the same, that is, a separator for a solid polymer type fuel cell comprising a substrate of stainless steel or titanium or a titanium alloy having a surface layer part on which conductive compound particles are fixed, wherein said conductive compound particles are comprised of one or more types of metal borides, metal carbides, and metal nitrides with an average particle size of 0.01 to 20 μm, said conductive compound particles are present in a region from said substrate surface to a depth of 10 μm, and a distribution of concentration of the metal element forming the conductive compound in said region satisfies relations between a concentration C of the metal element forming the conductive compound and a depth x from the substrate surface shown by equation (C=A·exp(−x/t)+B) and equation (10≦A≦90, −4.0≦B≦1.0, 0.5≦t≦4.0).

摘要翻译： 本发明提供了一种固体聚合物型燃料电池用隔膜，其特征在于，具有碳纸和平坦度的燃料电池隔板表面的低接触电阻优良的固体聚合物型燃料电池及其制造方法，即固体聚合物型燃料电池用隔板 包括不锈钢或钛的基板或具有固定有导电化合物颗粒的表面层部分的钛合金，其中所述导电化合物颗粒由一种或多种金属硼化物，金属碳化物和金属氮化物组成，平均 所述导电化合物颗粒存在于从所述衬底表面到10μm的深度的区域中，并且在所述区域中形成导电化合物的金属元素的浓度分布满足浓度C 的形成导电化合物的金属元素和由等式1（C = A.exp（-x / t）+ B）所示的衬底表面的深度x） 和等式<2>（10 <= A <= 90，-4.0 <= B <= 1.0,0.5 <= t <= 4.0）。

公开(公告)号：US08304141B2

公开(公告)日：2012-11-06

申请号：US12806764

申请日：2010-08-20

申请人： Hiroshi Kihira ,  Michio Kaneko ,  Mitsuharu Yamagata ,  Koki Tanaka ,  Yoichi Ikematsu ,  Yoichi Matsuzaki ,  Kazuto Kawakami ,  Wataru Hisada ,  Suguru Suzuki

发明人： Hiroshi Kihira ,  Michio Kaneko ,  Mitsuharu Yamagata ,  Koki Tanaka ,  Yoichi Ikematsu ,  Yoichi Matsuzaki ,  Kazuto Kawakami ,  Wataru Hisada ,  Suguru Suzuki

IPC分类号： H01M4/64 ,  G01B11/24

CPC分类号： H01M8/0206 ,  B22F1/02 ,  B22F2998/00 ,  C22C29/08 ,  H01M8/021 ,  H01M8/0213 ,  H01M8/0223 ,  H01M2008/1095 ,  Y02P70/56 ,  B22F3/10

摘要： The present invention releases a method of producing a metal separator for a solid polymer fuel cell by stainless steel, titanium, or titanium alloy during which securing lower cost and mass producibility by using a material having a high workability to form a complicated shape by a high productivity, then using an inexpensive blast process to drive a conductive substance into the surface of the metal separator member, that is, provides a stainless steel, titanium, or titanium alloy solid polymer fuel cell separator comprised of stainless steel, titanium, or titanium alloy in the surface of which a low ion release conductive substance is buried, having an arithmetic mean roughness (Ra) of the separator surface of 0.5 to 5.0 μm, having a 10-point mean roughness (Rz) of 3 to 20 μm, having an average spacing of surface relief shapes (Sm) of 300 μm or less, having values of a warp rate and twist rate of a separator of 0.1 or less, and having a contact resistance value with respect to carbon paper of 15 mΩcm2 or less at a surface pressure of 1 MPa.

摘要翻译： 本发明公开了一种通过不锈钢，钛或钛合金制造固体高分子型燃料电池用金属隔板的方法，其中通过使用具有高加工性的材料来确保较低的成本和大规模生产能力，以形成高的复杂形状 然后使用廉价的喷射方法将导电物质驱入金属分隔件的表面，即提供由不锈钢，钛或钛合金组成的不锈钢，钛或钛合金固体聚合物燃料电池隔板 在其表面埋设有低离子释放导电物质，具有0.5〜5.0μm的隔膜表面的算术平均粗糙度（Ra），10点平均粗糙度（Rz）为3〜20μm，具有 平均间隔为300μm以下的表面浮雕形状（Sm），隔膜的翘曲率和扭曲率的值为0.1以下，并且具有相对于ca的接触电阻值 在1MPa的表面压力下，15​​m＆OHgr; cm2以下的纸。

公开(公告)号：US20120034372A1

公开(公告)日：2012-02-09

申请号：US13227423

申请日：2011-09-07

申请人： Koki Tanaka ,  Youichi Ikematsu ,  Hiroshi Kihira ,  Michio Kaneko ,  Wataru Hisada ,  Tamotsu Itoh

发明人： Koki Tanaka ,  Youichi Ikematsu ,  Hiroshi Kihira ,  Michio Kaneko ,  Wataru Hisada ,  Tamotsu Itoh

IPC分类号： H01M2/16

CPC分类号： H01M8/0228 ,  H01M8/0206 ,  H01M8/0208 ,  H01M8/021 ,  H01M8/0213 ,  H01M2008/1095 ,  Y02P70/56

摘要： The present invention provides a method of production of a separator for a solid polymer type fuel cell characterized by shaping a substrate comprised of stainless steel, titanium, or a titanium alloy and then spraying the substrate surface with superhard core particles comprised of conductive compound particles of an average particle size of 0.01 to 20 μm mixed with a coating material and coated on their surfaces under conditions of a spray pressure of 0.4 MPa or less and a spray amount per cm2 of the substrate of 10 to 100 g in blast treatment. The ratio of the conductive compound to the mass of the core particles is 0.5 to 15 mass %.

摘要翻译： 本发明提供了一种固体聚合物型燃料电池用隔膜的制造方法，其特征在于，对由不锈钢，钛或钛合金构成的基材进行成形，然后将由超导体芯粒子 与喷涂处理相比，在喷涂压力为0.4MPa以下，喷涂量为10〜100g的条件下，与涂料混合，平均粒径为0.01〜20μm，涂布于表面。 导电性化合物与芯粒的质量的比率为0.5〜15质量％。

公开(公告)号：US08785031B2

公开(公告)日：2014-07-22

申请号：US12304722

申请日：2007-06-15

申请人： Michio Kaneko ,  Kazuhiro Takahashi ,  Kiyonori Tokuno ,  Hiroshi Kihira ,  Wataru Hisada

发明人： Michio Kaneko ,  Kazuhiro Takahashi ,  Kiyonori Tokuno ,  Hiroshi Kihira ,  Wataru Hisada

IPC分类号： H01M2/14 ,  H01M2/16 ,  H01M8/10 ,  B05D5/12

CPC分类号： C23C24/04 ,  C23C28/00 ,  H01M8/0204 ,  H01M8/0206 ,  H01M8/0208 ,  H01M8/0215 ,  H01M8/0228 ,  H01M2008/1095 ,  Y02P70/56

摘要： The present invention provides a polymer electrolyte fuel cell separator made of pure titanium or a titanium alloy superior in contact resistance with carbon paper and a method of production of the same, that is, a separator having a surface layer part to which conductive compound particles are affixed, characterized in that the surface oxide has a thickness of 3 to 15 nm in range, an average carbon concentration in a range from an outermost surface, including the oxide layer, to a depth of 100 nm is 0.02 to 6 at %, and the conductive compound particles have an average particle size of 0.01 to 20 μm. Further, the method of production of the present invention is characterized by forming, blast treating a surface of the formed article by particles comprised of conductive compound particles of an average particle size of 0.01 to 20 μm covering a surface of superhard core particles, impregnating it by a nitric acid aqueous solution of a concentration of 15 to 71 mass % and a temperature of 40 to 100° C. for 30 seconds to 180 minutes by spraying or dipping, then washing it.

摘要翻译： 本发明提供一种由碳钛纸或其制造方法制成的纯钛或钛合金制成的高分子电解质型燃料电池隔板及其制造方法，即具有导电性化合物粒子的表层部的隔膜 其特征在于，表面氧化物的范围为3〜15nm的厚度，从包括氧化物层的最外表面到100nm的深度的范围内的平均碳浓度为0.02〜6原子％， 导电性化合物粒子的平均粒径为0.01〜20μm。 此外，本发明的制造方法的特征在于，通过由覆盖超硬核粒子的表面的平均粒径为0.01〜20μm的导电性化合物粒子构成的粒子对成形体的表面进行喷砂处理，浸渍 通过喷雾或浸渍，浓度为15〜71质量％，温度为40〜100℃的硝酸水溶液30秒〜180分钟，然后进行洗涤。