Online ISSN : 1884-6440
Print ISSN : 0385-1036
ISSN-L : 0385-1036
特集:人工膜ミニシンポジウム:水素製造のための膜分離技術の進展
金属膜による水素分離の進展
須田 洋幸
著者情報
ジャーナル オープンアクセス

2006 年 31 巻 5 号 p. 267-270

詳細
記事の1ページ目
抄録
The increasing demand for pure hydrogen in operating fuel cells, the great attraction of dehydrogenation and hydrogenation membrane reactions, prospective uses in producing hydrogen related fine chemicals, and the traditional application in petrochemical and metallurgical processes make the Pd-based metal membrane for hydrogen separation extremely important. Prior to its industrialization, however, the metal membrane must satisfy multiple objectives, such as delivering high hydrogen permeance, overcoming hydrogen embrittlement, showing mechanical/thermal/chemical stability, and lowering cost. Of these the important points to be addressed are how to prepare thinner membrane without defects and how to avoid stress and force at interface between the membrane and substrate. Here a survey on this point was made, followed by an introduction of a novel combined organic/inorganic process for preparing a thin and defect-free metal membrane with a small interstice at the membrane/substrate interface. This novel structure led to excellent hydrogen permeance, selectivity and membrane stability for long-term use.
著者関連情報
前の記事 次の記事
feedback
Top