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    • 2. 发明授权
    • Nanocrystalline Mg or Be-based materials and use thereof for the
transportation and storage of hydrogen
    • 纳米晶Mg或Be-BASED材料及其用于运输和储存氢的用途
    • US5964965A
    • 1999-10-12
    • US912166
    • 1997-08-15
    • Robert SchulzJohn Strom-OlsenLeszek ZaluskiAlicja Zaluska
    • Robert SchulzJohn Strom-OlsenLeszek ZaluskiAlicja Zaluska
    • C01B3/00C22C1/04C22C23/00C22C23/02C22C25/00
    • C22C23/00C01B3/0031C01B3/0084C22C1/0408C22C23/02C22C25/00B22F2009/041B22F2998/00B22F2999/00Y02E60/327Y10S420/90
    • Disclosed is a very light-weight, Mg and Be-based material which has the ability to reversibly store hydrogen with very good kinetics. This material is of the formula (M.sub.1-x A.sub.x) D.sub.y wherein M is Mg, Be or a combination of them; A is an element selected from the group consisting of Li, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Al, Y, Zr, Nb, Mo, In, Sn, O, Si, B, C and F; D is a metal selected from the group consisting of Fe, Co, Ni, Ru, Rh, Pd, Ir and Pt (preferably Pd); x is a number ranging from 0 to 0.3; and y is a number ranging from 0 to 0.15. This material is in the form of a powder of particles of the formula M.sub.1-x A.sub.x as defined hereinabove, having an average size ranging from 0.1 to 100 .mu.m, each particle consisting of nanocrystalline grains having an average size of 3 to 100 nm or having a nano-layered structure with a layer spacing of 3 to 100 nm. Some of these particles have clusters of metal D attached thereto, with an average size ranging from 2 to 200 nm. Also disclosed are a process for preparing this material which has a very high hydrogen absorption capacity, and a method of use of the same for the transportation and/or storage of hydrogen and/or the storage of thermal energy.
    • 公开了一种非常轻质的Mg和Be基材料,其具有以非常好的动力学可逆地储存氢气的能力。 该物质为式(M1-xAx)Dy,其中M为Mg,Be或它们的组合; A是选自Li,Ca,Ti,V,Cr,Mn,Fe,Co,Ni,Cu,Zn,Al,Y,Zr,Nb,Mo,In,Sn,O, B,C和F; D是选自Fe,Co,Ni,Ru,Rh,Pd,Ir和Pt(优选Pd)的金属; x为0〜0.3的数; y为0〜0.15的数。 该材料为平均粒度为0.1-100μm的由式M1-xAx颗粒粉末形成的平均粒径为0.1-100μm的颗粒,每个颗粒由平均粒度为3-100nm的纳米晶粒组成或具有 层间距为3〜100nm的纳米层状结构。 这些颗粒中的一些具有附着于其上的金属D簇,平均尺寸范围为2至200nm。 还公开了一种制备具有非常高的氢吸收能力的材料的方法及其用于运输和/或储存氢和/或储存热能的方法。