Magnesium based hydrogen storing alloy composite material and production thereof

A technology of magnesium-based hydrogen storage alloy and composite material, which is applied in the field of ball milling preparation of magnesium-based alloy composite material and its powder, which can solve the problems of poor oxidation resistance, corrosion resistance, slow hydrogen absorption and desorption speed, and high hydrogen absorption and desorption temperature. problems, to achieve the effects of superior corrosion resistance, fast hydrogen absorption and desorption, and high electrochemical capacity
CN1644737AInactive Publication Date: 2005-07-27NANKAI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANKAI UNIV
Publication Date
2005-07-27
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention is about Mg-base hydrogen storage material and the method of the procedure. It has the chemical composition of Mgp-xMxNi-yNy-NieBf, M has the alternative of Al, Mn, Sn, Ca, Li, B, Na, B, Na, K, La, Ce, Nd, Pr, Y and misch metal. N has the alternative of V, Cu, Ti, Co, Fe, Ag, Cr, Zr, Se, Nb, Mo, W, Nb, C, Si and Sn, 1.0 <=p<=2.5, 0<=x<=1.0, 0<=y<=0.8, 1<=e<=3, 1<=f<=3. It has a good property under normal temperature and pressure, the electric pole that made by it has a high galvano-chemistry capability and cycle life. Its advantages include stable property; low price; extensive use of Ni-H battery, H accumulator, H power auto and fuel battery.
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Description

technical field

[0001] The invention relates to the preparation and application of a magnesium-based alloy composite material and its powder by a ball milling method. Background technique

[0002] Hydrogen is an important energy material, which has shown great advantages and application prospects in terms of reversibility, storage and environmental friendliness. Among the currently researched hydrogen storage alloy materials, magnesium-based hydrogen storage alloys have unique advantages such as high hydrogen storage capacity, light weight, low price and abundant reserves, and are also the only metal hydride hydrogen storage alloys that can meet international hydrogen storage standards. It has great research and development prospects and has become a hot research topic at home and abroad.

[0003] The main disadvantages of magnesium-based hydrogen storage alloys: magnesium-based hydrogen storage alloys are medium-temperature hydrogen storage alloys with large enthalpy incre...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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