公开(公告)号：DE19517598C1

公开(公告)日：1997-01-02

申请号：DE19517598

申请日：1995-05-13

Applicant: DEGUSSA

Inventor： FREUND ANDREAS DR ,  LEHMANN THOMAS DR ,  STARZ KARL ANTON DR ,  HEINZ GERHARD ,  SCHWARZ ROBERT

IPC: C01B3/40 ,  B01J23/42 ,  B01J23/56 ,  B01J23/89 ,  B01J27/22 ,  C22C5/04 ,  H01M4/88 ,  H01M4/92 ,  H01M8/02

Abstract: Pt-Al alloy catalyst on a conducting carbon carrier is claimed, in which the atomic ratio of Pt to Al is 80-60: 20-40 and the alloy particles are present on the carbon carrier in carbided form with the structure of the Pt-Al carbide (Pt3AlC0.5). Prodn. of the catalyst is also claimed.

公开(公告)号：DE4426973C1

公开(公告)日：1996-03-28

申请号：DE4426973

申请日：1994-07-29

Applicant: DEGUSSA

Inventor： BRAND REINHOLD DR ,  FREUND ANDREAS DR ,  LANG JUTTA DR ,  LEHMANN THOMAS DR ,  OHMER JOHANNES DR ,  TACKE THOMAS DR ,  HEINZ GERHARD ,  SCHWARZ ROBERT

IPC: B01J23/89 ,  B01J37/03 ,  H01M4/92 ,  H01M4/88

Abstract: A ternary platinum alloy catalyst on a conductive carbon carrier for use in fuel cells is disclosed. For the production of the catalyst, nitrate salts are used as precursors of the alloy components and all alloy components are deposited concurrently on the carbon carrier. This method of procedure yields ageing-stable catalysts with high oxygen mass activity.