公开(公告)号：US20190256993A1

公开(公告)日：2019-08-22

申请号：US16270502

申请日：2019-02-07

申请人： UNIVERSITY OF YAMANASHI

发明人： Hiroyuki Uchida ,  Shinji Nohara ,  Hiroshi Yano

IPC分类号： C25B11/04 ,  C25B1/10

摘要： The present disclosure provides the hydrogen evolution catalyst having superior hydrogen generation efficiency. According to the present disclosure, there is provided a hydrogen evolution catalyst comprising a platinum skin layer on a surface of an alloy nanoparticle composed of an alloy of platinum and transition metal.

公开(公告)号：US10693146B2

公开(公告)日：2020-06-23

申请号：US14787196

申请日：2014-04-16

申请人： University of Yamanashi

发明人： Masahiro Watanabe ,  Hiroyuki Uchida ,  Hiroshi Yano ,  Makoto Uchida

IPC分类号： B22F9/16 ,  B22F9/22 ,  B22F9/26 ,  H01M4/90 ,  H01M4/92 ,  B22F1/00

摘要： Provided is a method for efficiently manufacturing fine metal particles applicable as a fuel cell electrode catalyst. Provided is a method of manufacturing fine metal particles, including the step of: a hydrogen bubbling step to perform bubbling to a reaction solution, wherein: the reaction solution is prepared by allowing seeds of fine metal particles in a dispersed state and a water soluble noble metal precursor to co-exist in a water-containing solvent; and the bubbling is performed with a reaction gas containing a hydrogen gas, is provided.

公开(公告)号：US09431666B2

公开(公告)日：2016-08-30

申请号：US14749026

申请日：2015-06-24

申请人： University of Yamanashi

发明人： Masahiro Watanabe ,  Hiroyuki Uchida ,  Hisao Yamashita ,  Kenji Miyatake

IPC分类号： H01M8/0258 ,  H01M8/0206 ,  H01M8/021 ,  H01M8/0228 ,  H01M8/0239 ,  H01M8/02 ,  H01M8/04 ,  H01M8/10

CPC分类号： H01M8/0245 ,  H01M8/0206 ,  H01M8/021 ,  H01M8/0228 ,  H01M8/0234 ,  H01M8/0239 ,  H01M8/0243 ,  H01M8/0254 ,  H01M8/0267 ,  H01M8/04029 ,  H01M8/1018 ,  H01M2008/1095 ,  H01M2250/20 ,  Y02E60/50 ,  Y02P70/56 ,  Y02T90/32

摘要： A metallic separator for fuel cells having a metal plate, an electroconductive coating layer covering at least a surface in front and back surfaces of the metal plate which contacts a raw material and/or a reaction product, and an electroconductive channel-forming member disposed on a surface of the coating layer and forming a channel for the raw material and/or the reaction product and/or a channel for a cooling medium for cooling. A surface layer on the metal plate has a tensile residual stress within such a range that no stress-corrosion cracking occurs.

公开(公告)号：US20160087285A1

公开(公告)日：2016-03-24

申请号：US14787196

申请日：2014-04-16

申请人： UNIVERSITY OF YAMANASHI

发明人： Masahiro Watanabe ,  Hiroyuki Uchida ,  Hiroshi Yano ,  Makoto Uchida

IPC分类号： H01M4/90 ,  B22F9/16

摘要： Provided is a method for efficiently manufacturing fine metal particles applicable as a fuel cell electrode catalyst. Provided is a method of manufacturing fine metal particles, including the step of: a hydrogen bubbling step to perform bubbling to a reaction solution, wherein: the reaction solution is prepared by allowing seeds of fine metal particles in a dispersed state and a water soluble noble metal precursor to co-exist in a water-containing solvent; and the bubbling is performed with a reaction gas containing a hydrogen gas, is provided.

摘要翻译： 提供一种有效地制造可用作燃料电池电极催化剂的金属微粒的方法。 本发明提供一种金属微粒的制造方法，其特征在于，包括以下步骤：向反应溶液进行鼓泡的氢气鼓泡步骤，其中：通过使分散状态的金属微粒的种子和水溶性贵金属 金属前体共存于含水溶剂中; 并且提供用含有氢气的反应气体进行鼓泡。