公开(公告)号：US20160156042A1

公开(公告)日：2016-06-02

申请号：US14901199

申请日：2014-05-28

Applicant: SHOWA DENKO K.K.

Inventor： Kousuke MIYAZAKI ,  Takuya IMAI

IPC: H01M4/90 ,  H01M8/1004 ,  H01M4/92

CPC classification number: H01M4/9083 ,  H01M4/9041 ,  H01M4/925 ,  H01M4/926 ,  H01M8/1004 ,  H01M2300/0082 ,  Y02P70/56

Abstract: An oxygen reduction catalyst includes a composite particle, the composite particle including a carbon structure and particles each including a Group 4 metal element M1, the composite particle containing a Group 4 metal element M1, carbon, nitrogen and oxygen, the particles each including a Group 4 metal element M1 being dispersed in the carbon structure, and the composite particle having a percentage of mass loss (a) and a percentage of mass loss (b), which are represented by specific formulae, of not more than 15% and 25 to 70%, respectively.

Abstract translation: 氧还原催化剂包括复合颗粒，所述复合颗粒包括碳结构和各自包含第4族金属元素M1，包含第4族金属元素M1，碳，氮和氧的复合颗粒的颗粒，每个颗粒包含基团 4金属元素M1分散在碳结构中，并且由具体公式表示的具有质量损失百分比（a）和质量损失百分比（b））的复合颗粒为不大于15％和25至 70％。