Material composition for use in hydrogen storage structure, material for use in hydrogen storage structure, and hydrogen storage single tube
Provided is a material for use in a hydrogen storage structure, a hydrogen storage single tube, and a material composition for a hydrogen storage structure used for the preparation of the material for use in the hydrogen storage structure and the hydrogen storage single tube. The hydrogen storage single tube is provided with a honeycomb-shaped high pressure hydrogen storage structure with a micron-sized pore diameter and is lightweight. A hydrogen storage structure having a pore diameter of 150 μm and a pipe wall thickness of 35 μm has an ultimate pressure of >200 MPa, a Rockwell hardness of 86-89, a high temperature resistance of >1900° C., a low temperature resistance of <−260° C., low thermal conductivity, high temperature thermal insulation, and strong acid and alkali resistance. In a high density hydrogen work atmosphere and a complicated dynamic environment, the high pressure hydrogen storage structure is very stable.
1 . A material for a hydrogen storage structure, wherein
based on the total mass of the material for a hydrogen storage structure, the material for a hydrogen storage comprises the following components: 33-39 wt % of silicon dioxide and/or beryllium oxide, 17-22 wt % of aluminum oxide, 20-28 wt % of zirconium dioxide, 6-10 wt % of titanium dioxide, 0.25-0.5 wt % of hafnium oxide, 0.45-0.9 wt % of lanthanum oxide, cerium oxide and/or lanthanum cerium oxide, 1-2.7 wt % of yttrium oxide, 0.12-1 wt % of potassium oxide and/or sodium oxide, 0.18-0.4 wt % of magnesium oxide, 1-1.7 wt % of barium oxide, 0-10 wt % of zinc oxide, and unavoidable impurities.
2 . A composite material for a hydrogen storage structure, wherein the composite material comprises the material for a hydrogen storage structure according to claim 1 and a reinforcement filler.
3 . A method for preparing the material for a hydrogen storage structure according to claim 1 , wherein the method comprises:
curing a material composition for a hydrogen storage structure at 40-45° C. for 200-250 min, heating at 50-60° C. for 50-70 min, heating at 360-480° C. for 50-70 min, sintering at 850-900° C. for 80-100 min, and then sintering at 1400-1450° C. for 250-350 min or sintering at 3000° C.±100° C.;
wherein raw materials for the material composition for a hydrogen storage structure comprise the following components:
20-24 parts by weight of polyimide, 12-13 parts by weight of polyvinyl acetate, 15-17 parts by weight of aluminum chloride, 3-5 parts by weight of magnesium chloride, 3-5 parts by weight of barium chloride, 10-12 parts by weight of aluminum oxide, 15-17 parts by weight of zirconium dioxide, 0.5-0.7 parts by weight of lanthanum oxide, cerium oxide and/or lanthanum cerium oxide, 32-35 parts by weight of silicon dioxide, silicon carbide and/or beryllium oxide, 1.5-2.5 parts by weight of sodium hydroxide and/or potassium hydroxide, 1.5-3 parts by weight of yttrium oxide, 6-8 parts by weight of titanium dioxide and/or titanium carbide, and 0.3-0.5 parts by weight of hafnium dioxide and/or hafnium carbide.
4 . An individual hydrogen storage tube, the individual hydrogen storage tube comprising a hydrogen storage unit, wherein the hydrogen storage unit comprises the material for a hydrogen storage structure according to claim 1 and has a honeycomb-like microporous structure.
5 . The individual hydrogen storage tube according to claim 4 , wherein the individual hydrogen storage tube further comprises a housing comprising the material for a hydrogen storage structure or a composite material for a hydrogen storage structure;
wherein the composite material for a hydrogen storage structure comprises the material for a hydrogen storage structure and a reinforcement filler.
6 . A method for preparing the individual hydrogen storage tube according to claim 4 , wherein the method comprises the following steps:
(1) impregnating a polymer fiber bundle with a material composition for a hydrogen storage structure; and
(2) curing the polymer fiber bundle impregnated with the material composition for a hydrogen storage structure at 40-45° C. for 200-250 min, heating at 50-60° C. for 50-70 min, heating at 360-480° C. for 50-70 min, sintering at 850-900° C. for 80-100 min, and then sintering at 1400-1450° C. for 250-350 min or sintering at 3000° C.±100° C.; or alternatively, filling the polymer fiber bundle impregnated with the material composition for a hydrogen storage structure into a tubular mold made by a material for a hydrogen storage structure or a composite material for a hydrogen storage structure, curing at 40-45° C. for 200-250 min, heating at 50-60° C. for 50-70 min, heating at 360-480° C. for 50-70 min, sintering at 850-900° C. for 80-100 min, and then sintering at 1400-1450° C. for 250-350 min or sintering at 3000° C.±100° C.;
wherein raw materials for the material composition for a hydrogen storage structure comprise the following components:
20-24 parts by weight of polyimide, 12-13 parts by weight of polyvinyl acetate, 15-17 parts by weight of aluminum chloride, 3-5 parts by weight of magnesium chloride, 3-5 parts by weight of barium chloride, 10-12 parts by weight of aluminum oxide, 15-17 parts by weight of zirconium dioxide, 0.5-0.7 parts by weight of lanthanum oxide, cerium oxide and/or lanthanum cerium oxide, 32-35 parts by weight of silicon dioxide, silicon carbide and/or beryllium oxide, 1.5-2.5 parts by weight of sodium hydroxide and/or potassium hydroxide, 1.5-3 parts by weight of yttrium oxide, 6-8 parts by weight of titanium dioxide and/or titanium carbide, 0.3-0.5 parts by weight of hafnium dioxide and/or hafnium carbide;
and
wherein the composite material for a hydrogen storage structure comprises the material for a hydrogen storage structure and a reinforcement filler.
7 . A method for preparing the composite material for a hydrogen storage structure of claim 2 , wherein the method comprises: curing a mixture of a material composition for a hydrogen storage structure and a reinforcement filler at 40-45° C. for 200-250 min, heating at 50-60° C. for 50-70 min, heating at 360-480° C. for 50-70 min, sintering at 850-900° C. for 80-100 min, and then sintering at 1400-1450° C. for 250-350 min or sintering at 3000° C.±100° C.;
wherein raw materials for the material composition for a hydrogen storage structure comprise the following components:
20-24 parts by weight of polyimide, 12-13 parts by weight of polyvinyl acetate, 15-17 parts by weight of aluminum chloride, 3-5 parts by weight of magnesium chloride, 3-5 parts by weight of barium chloride, 10-12 parts by weight of aluminum oxide, 15-17 parts by weight of zirconium dioxide, 0.5-0.7 parts by weight of lanthanum oxide, cerium oxide and/or lanthanum cerium oxide, 32-35 parts by weight of silicon dioxide, silicon carbide and/or beryllium oxide, 1.5-2.5 parts by weight of sodium hydroxide and/or potassium hydroxide, 1.5-3 parts by weight of yttrium oxide, 6-8 parts by weight of titanium dioxide and/or titanium carbide, and 0.3-0.5 parts by weight of hafnium dioxide and/or hafnium carbide.
8 . The individual hydrogen storage tube of claim 4 , wherein a micropore of the honeycomb-like microporous structure has a wall thickness of 35-40 μm.
9 . The individual hydrogen storage tube of claim 4 , wherein a micropore of the honeycomb-like microporous structure has a diameter of 140-150 μm.
10 . The method of claim 6 , wherein a viscosity of the material composition for a hydrogen storage structure is adjusted to 200000±10000 cP before the impregnation in step (1).
11 . The method of claim 6 , wherein the polymer fiber has a melting point between 150° C. and 380° C.
12 . The method of claim 6 , wherein a single fiber in the polymer fiber bundle has a diameter of 100-150 μm.
13 . The method of claim 6 , wherein an average thickness of the material composition for a hydrogen storage structure coated on the surfaces of the fibers in the polymer fiber bundle by impregnation in step (1) is 25-30 μm.
14 . The material for a hydrogen storage structure of claim 1 , further comprising 0.07-0.7 wt % of calcium oxide.