CN111170272A - Hydrogen storage material, application thereof and energy conversion device - Google Patents

Hydrogen storage material, application thereof and energy conversion device Download PDF

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CN111170272A
CN111170272A CN202010016716.6A CN202010016716A CN111170272A CN 111170272 A CN111170272 A CN 111170272A CN 202010016716 A CN202010016716 A CN 202010016716A CN 111170272 A CN111170272 A CN 111170272A
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storage material
hydrogen storage
hydrogen
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carbon atoms
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刘继
赵轶
李遵陕
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Zhejiang Lide Silicone Material Co ltd
Zhejiang Xinan Chemical Industrial Group Co Ltd
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Zhejiang Lide Silicone Material Co ltd
Zhejiang Xinan Chemical Industrial Group Co Ltd
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    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/0005—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes
    • C01B3/001—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof
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    • H—ELECTRICITY
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    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
    • H01M8/04216—Reactant storage and supply, e.g. means for feeding, pipes characterised by the choice for a specific material, e.g. carbon, hydride, absorbent
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E60/50—Fuel cells
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    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract

The invention provides a hydrogen storage material and application thereof and an energy conversion device, and relates to the technical field of hydrogen energy utilization in the fields of clean energy and new energy, wherein the structural formula of the hydrogen storage material comprises the following components: (1) at least one of (1) and (2), wherein R and R3Each independently is-H, a hydrocarbon group with 1-20 carbon atoms and/or an aromatic group with 5-20 carbon atoms; r' is-H, -CH ═ CH2、‑NH2-OH and-CH3At least one of; r1、R1’、R2And R2' independently represents at least one of-H, a hydrocarbon group having 1 to 20 carbon atoms and an aromatic group having 5 to 20 carbon atoms, and at least one R in (1)1is-H, at least one R in (2)2is-H; n and m are respectively 0-800 independently, and m + n is more than or equal to 0 and less than or equal to 800; n 'and m' are each independently 0-15, and 2 ≤ n '+ m' is ≤ 30. The hydrogen storage material has high hydrogen storage capacity.

Description

Hydrogen storage material, application thereof and energy conversion device
Technical Field
The invention relates to the technical field of hydrogen energy utilization in the fields of clean energy and new energy, in particular to a hydrogen storage material and application thereof as well as an energy conversion device.
Background
Energy is the basis of the survival and development of modern society, and the high-speed development of economy causes that energy such as traditional non-renewable fossil fuel is on the rise day, and the current hope is held in emerging energy such as hydrogen energy, solar energy, wind energy, etc., wherein hydrogen energy is concerned at present. The problem of hydrogen storage relates to all links of hydrogen production, transportation, final application and the like, and at present, there are three main methods for hydrogen storage: high pressure gaseous storage, low temperature liquid storage, and hydrogen storage material storage. The transportation of hydrogen is closely related to the storage mode of hydrogen, but at present, the storage of hydrogen is unstable and the transportation is inconvenient.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a hydrogen storage material which has the advantages of stable storage, high hydrogen storage amount, safe storage process, convenient transportation, reproducibility and the like.
The structural formula of the hydrogen storage material provided by the invention comprises at least one of (1) and (2):
Figure BDA0002357731420000011
wherein the content of the first and second substances,
r and R3Each independently is-H, a hydrocarbon group with 1-20 carbon atoms and/or an aromatic group with 5-20 carbon atoms;
r' is-H, -CH ═ CH2、-NH2-OH and-CH3At least one of;
R1、R1’、R2and R2' independently represents at least one of-H, a hydrocarbon group having 1 to 20 carbon atoms and an aromatic group having 5 to 20 carbon atoms, and at least one R in (1)1is-H, at least one R in (2)2is-H;
n and m are respectively 0-800 independently, and m + n is more than or equal to 0 and less than or equal to 800; n 'and m' are each independently 0-15, n '+ m' is 2-30.
Further, R and R3Each independently is at least one of-H, methyl, ethyl, propyl, isopropyl and phenyl, preferably each independently is methyl and/or phenyl.
Further, R' is-H, -CH ═ CH2、-NH2-OH and-CH3Is preferably-H and/or-CH3。
Further, R1、R1’、R2And R2' are each independently at least one of methyl, ethyl, propyl, isopropyl, phenyl and-H, preferably are each independently-H and/or methyl.
Further, n 'and m' are each independently 0 to 10, and 3. ltoreq. n '+ m' is less than or equal to 10.
Further, the viscosity of the hydrogen storage material is 1-10000 mPa & s;
preferably, the hydrogen content of the hydrogen storage material is 0.1-8 wt%.
Further, the hydrogen storage material comprises at least one of 202 high hydrogen-containing silicone oil, perhydro silicone oil, methyl hydrogen-containing silicone oil and hydrogen-containing ring body silicone oil.
Use of a hydrogen storage material as hereinbefore described in the production of hydrogen.
Further, catalyzing the hydrogen storage material with a catalyst to produce hydrogen, the catalyst comprising a basic catalyst and/or Pt;
preferably, the basic catalyst comprises at least one of an alkali metal oxide, an alkaline earth metal hydroxide, and a sodium alkoxide;
preferably, the basic catalyst comprises NaOH, KOH, CH3ONa、CH3CH2ONa、Rb2O, CsO and SrO;
preferably, the catalyst further comprises a support on which the basic catalyst is supported;
preferably, the carrier comprises carbon nanotubes and Al2O3、SiO2Glass fiber, optical fiber, hollow ceramic, sea sand, graphite, glass, clay, plastic, resin, woodAt least one of crumb, expanded perlite, activated carbon and hydrotalcite.
An energy conversion device comprising a hydrogen storage material as hereinbefore described;
preferably, the energy conversion device comprises a fuel cell.
Compared with the prior art, the invention can at least obtain the following beneficial effects:
the hydrogen storage material has the advantages of stable storage, convenient transportation, reproducibility, high hydrogen storage amount, safe storage process and the like, and particularly, the hydrogen storage material is in a liquid state and has good flowability, so the hydrogen storage material has the characteristic of convenient transportation; the hydrogen storage material has a boiling point of 135 deg.C or higher, can be stored stably for more than 5 years at room temperature, and has the advantages of stable storage and safety in the storage process; the byproduct of the hydrogen storage material after generating hydrogen is silicon dioxide, and can react with chloromethane again to generate the hydrogen storage material, so the hydrogen storage material has reproducibility; the hydrogen content of the hydrogen storage material can reach 8 percent, so the hydrogen storage material has the characteristic of high hydrogen storage capacity. The hydrogen storage material can be used for hydrogen production, and the byproduct after hydrogen production is silicon dioxide, so that the hydrogen storage material is pollution-free and odorless, does not cause secondary pollution to the environment, and is suitable for large-scale application; the hydrogen storage material of the invention can be used for producing hydrogen without using expensive noble metal catalysis, thereby greatly reducing the use cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic flow diagram of energy conversion using hydrogen energy in a hydrogen storage material in accordance with one embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
In one aspect of the present invention, the present invention provides a hydrogen storage material having a structural formula including at least one of (1) and (2):
Figure BDA0002357731420000041
wherein the content of the first and second substances,
r and R3Each independently is-H, a hydrocarbon group with 1-20 carbon atoms and/or an aromatic group with 5-20 carbon atoms;
r' is-H, -CH ═ CH2、-NH2-OH and-CH3At least one of;
R1、R1’、R2and R2' independently represents at least one of-H, a hydrocarbon group having 1 to 20 carbon atoms and an aromatic group having 5 to 20 carbon atoms, and at least one R in (1)1is-H, at least one R in (2)2is-H;
n and m are respectively 0-800 independently, and m + n is more than or equal to 0 and less than or equal to 800; n 'and m' are each independently 0-15, and 2 ≤ n '+ m' is ≤ 30.
The hydrogen storage material has the advantages of stable storage, convenient transportation, reproducibility, high hydrogen storage amount, safe storage process and the like, and particularly, the hydrogen storage material is in a liquid state and has good flowability, so the hydrogen storage material has the characteristic of convenient transportation; the hydrogen storage material has a boiling point of 135 deg.C or higher, can be stored stably for more than 5 years at room temperature, and has the advantages of stable storage and safety in the storage process; the byproduct of the hydrogen storage material after generating hydrogen is silicon dioxide, and can react with chloromethane again to generate the hydrogen storage material, so the hydrogen storage material has reproducibility; the hydrogen content of the hydrogen storage material can reach 8 percent, so the hydrogen storage material has the characteristic of high hydrogen storage capacity. The hydrogen storage material can be used for hydrogen production, and the byproduct after hydrogen production is silicon dioxide, so that the hydrogen storage material is pollution-free and odorless, does not cause secondary pollution to the environment, and is suitable for large-scale application; the hydrogen storage material of the invention can be used for producing hydrogen without using expensive noble metal catalysis, thereby greatly reducing the use cost.
Compared with the values of n, n ', m and m', when the value of n or m is too large, the viscosity is too high, the fluidity is poor, and the hydrogen is not favorably separated out. When the value of n 'or m' is too small, polysiloxane ring bodies are not easily formed.
When R and R are3When each is independently a hydrocarbon group or an aromatic group having more than 20 carbon atoms, such as the isomeric alkane having thirty carbon atoms, the side chain has a relatively high molecular weight and is sterically hindered, as an increase in the side chain carbon atoms decreases the relative mass percent of active hydrogen in the hydrogen storage material, resulting in a significant decrease in hydrogen storage and, as the side chain length increases, an increase in dehydrogenation steric hindrance results, and the dehydrogenation reaction rate decreases.
It is understood that the hydrocarbon group with 1 to 20 carbon atoms can include, but is not limited to, alkyl, alkenyl or alkynyl groups with 1 to 20 carbon atoms, and the like.
In some embodiments of the invention, R and R3Each independently is at least one of-H, methyl, ethyl, propyl, isopropyl and phenyl, preferably each independently is methyl and/or phenyl. Therefore, the hydrogen storage material has better hydrogen storage effect.
In some embodiments of the invention, R' is-H, -CH ═ CH2、-NH2-OH and-CH3Is preferably-H and/or-CH3. Therefore, the hydrogen storage material has better hydrogen storage effect.
In some embodiments of the invention, R1、R1’、R2And R2' are each independently at least one of methyl, ethyl, propyl, isopropyl, phenyl and-H, preferably are each independently-H and/or methyl. Therefore, the hydrogen storage material has better hydrogen storage effect.
In some embodiments of the invention, n 'and m' are each independently 0 to 10, and 3. ltoreq. n '+ m'. ltoreq.10. Therefore, the hydrogen storage material has better hydrogen storage effect.
In some embodiments of the invention, the viscosity of the hydrogen storage material is 1 to 10000 mPas (for example, 1 mPas, 100 mPas, 500 mPas, 1000 mPas, 2000 mPas, 4000 mPas, 6000 mPas, 8000 mPas, 10000 mPas, etc.) and the like. Compared with the viscosity range, when the viscosity of the hydrogen storage material is too low, the volatility is enhanced, for example, the boiling point of the hydrogen-containing double end socket is 70 ℃, and the hydrogen-containing double end socket has stronger volatility at room temperature; when the viscosity of the hydrogen storage material is too high, the generated hydrogen gas is less likely to be precipitated, and for example, a polysiloxane having a viscosity of 50000mPa · s has a high viscosity and a low fluidity, and a gel phenomenon is likely to occur during use.
In some embodiments of the invention, the hydrogen content (mass content) of the hydrogen storage material is 0.1 to 8 wt% (e.g., may be 0.1%, 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8%, etc.). Therefore, the hydrogen storage material has high hydrogen storage capacity and is an excellent hydrogen storage material.
In some embodiments of the invention, the hydrogen storage material comprises at least one of 202 high hydrogen silicone oil, perhydro silicone oil, methyl hydrogen silicone oil, and hydrogen ring-containing silicone oil. Therefore, the hydrogen storage material has high hydrogen storage capacity and is suitable for large-scale application.
The molecular structural formula of the 202 high hydrogen-containing silicone oil is shown in the specification
Figure BDA0002357731420000061
The molecular structural formula of the perhydrosilicone oil is
Figure BDA0002357731420000062
The molecular structural formula of the methyl hydrogen-containing silicone oil is shown in the specification
Figure BDA0002357731420000063
The molecular structural formula of the hydrogen-containing ring silicone oil is
Figure BDA0002357731420000064
In some embodiments of the invention, 1 structural unit can release 1 mol of hydrogen when hydrogen is produced by using the hydrogen storage material of the invention, and the hydrogen production amount is high, thus being suitable for large-scale application.
In another aspect of the invention, the invention provides the use of a hydrogen storage material as hereinbefore described for the production of hydrogen. Therefore, the hydrogen production amount is high, and the requirement of the current clean energy can be met.
In some embodiments of the invention, the hydrogen storage material is catalyzed to produce hydrogen using a catalyst that includes a basic catalyst and/or Pt. Therefore, the catalytic hydrogen storage material has good hydrogen production effect, wide material source and low price, and is suitable for large-scale application.
In some embodiments of the invention, the basic catalyst comprises at least one of an alkali metal oxide, an alkaline earth metal hydroxide, and a sodium alkoxide. Therefore, the catalytic hydrogen storage material has good hydrogen production effect, wide material source and low price, and is suitable for large-scale application.
In some embodiments of the invention, the basic catalyst comprises NaOH, KOH, CH3ONa、CH3CH2ONa、Rb2O, CsO and SrO.
In some embodiments of the invention, the catalyst further comprises a support on which the basic catalyst is supported. Therefore, the catalyst is more favorable for playing a catalytic role, and the catalytic hydrogen production effect is better.
In some embodiments of the invention, the support comprises carbon nanotubes, Al2O3、SiO2At least one of glass fiber, optical fiber, hollow ceramic, sea sand, graphite, glass, clay, plastic, resin, wood chips, expanded perlite, activated carbon, and hydrotalcite. Therefore, the material has wide sources and low price and is suitable for large-scale application.
In another aspect of the invention, there is provided an energy conversion device comprising a hydrogen storage material as described above.
The energy conversion device may convert hydrogen energy in the hydrogen storage material into other forms of energy, such as hydrogen energy into electric energy, mechanical energy, or other forms of energy.
It can be understood that, in order to make the hydrogen storage material produce hydrogen better, the catalyst mentioned above can be added into the energy conversion device to ensure that hydrogen in the hydrogen storage material can be rapidly precipitated, so as to convert hydrogen energy into required energy rapidly and continuously.
In some embodiments of the present invention, referring to fig. 1, the specific process of energy conversion is: the hydrogen storage material is stored in the liquid hydrogen storage material system 1, the hydrogen storage material is continuously fed into the hydrogen generation system 3 through the metering system 2 and the liquid distributor 31, the hydrogen generation system 3 contains the catalyst mentioned above, the hydrogen in the hydrogen storage material is separated out to generate hydrogen under the catalytic action of the catalyst, the hydrogen is fed into the energy conversion system 4, such as an electrochemical energy generator of a fuel cell, and finally the hydrogen energy is converted into other forms of energy (such as electric energy) to be output.
In some embodiments of the invention, the energy conversion device comprises a fuel cell.
It is understood that the fuel cell uses hydrogen precipitated from the hydrogen storage material as fuel, and oxygen as oxidant, and outputs electric energy through the reaction of hydrogen and oxygen, so as to convert the hydrogen energy in the hydrogen storage material into electric energy. The fuel cell comprises a fuel and oxidant supply system, a water pipe system, a heat management system, a control system and other subsystems, wherein the fuel supply system contains a hydrogen storage material and the catalyst so as to provide hydrogen fuel for the fuel cell.
Some embodiments of the present invention will be described in detail below with reference to specific examples. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Examples
The fuel cells referred to in the following examples and comparative examples were type YK-M20 fuel cells, the hydrogen storage material was located in a hydrogen storage material tank structure in a liquid hydrogen storage system of the fuel cell, and the catalyst was located in a fixed bed structure of a hydrogen generation system of the fuel cell.
The test method of the output power of the fuel cell comprises the following steps: universal meter (KEYSIGHT-34460A).
Example 1
The hydrogen storage material is 202 high hydrogen-containing silicone oil with a molecular formula
Figure BDA0002357731420000091
m is 36, hydrogen content is 1.55%, viscosity is 40 mPa.s, and hydrogen is produced by catalyzing hydrogen storage material with granular potassium hydroxide as catalyst.
Example 2
The hydrogen storage material is perhydro silicone oil with the molecular formula
Figure BDA0002357731420000092
m is 7, the hydrogen content is 5%, the viscosity is 8 mPa.s, and the hydrogen is produced by catalyzing hydrogen storage materials by using hydrotalcite loaded with sodium hydroxide as a catalyst.
Example 3
The hydrogen storage material is hydroxyl-terminated hydrogen-containing silicone oil with the structural formula
Figure BDA0002357731420000093
m is 10, hydrogen content is 1.58%, viscosity is 12 mPas, CH is used3ONa is loaded on alumina as a catalyst to catalyze hydrogen storage materials to produce hydrogen.
Example 4
The hydrogen storage material is a hydrogen-containing polysiloxane mixed ring body with the structural formula
Figure BDA0002357731420000094
m is 3-10, hydrogen content is 1.66%, and Rb is used2O on SiO2The carrier is used as a catalyst to catalyze hydrogen storage materials to produce hydrogen.
Example 5
The hydrogen storage material is a hydrogen-containing polysiloxane mixed ring body with the structural formula
Figure BDA0002357731420000095
The value of m is 3-5, the hydrogen content is 4.35%, and the hydrogen is produced by catalyzing the hydrogen storage material by using the catalyst which is the same as the catalyst in the embodiment 2.
Example 6
The hydrogen storage material is methyl hydrogen-containing silicone oil with the structural formula
Figure BDA0002357731420000101
m is 58, n is 42, hydrogen content is 0.9%, and viscosity is 150 mPa.s; CsO is loaded on a hollow ceramic ball and used as a catalyst to catalyze hydrogen storage materials to produce hydrogen.
Example 7
The hydrogen storage material is methyl phenyl hydrogen-containing silicone oil with the structural formula
Figure BDA0002357731420000102
m is 10, n is 10, hydrogen content is 1.1%, viscosity is 41 mPa.s, hydrogen is produced by catalyzing the hydrogen storage material by using the catalyst which is the same as that in the example 2.
Example 8
The hydrogen storage material is methyl phenyl hydrogen-containing ring body with the structural formula
Figure BDA0002357731420000103
m is 2, n is 2, and the hydrogen content is 1.09%; CsO is loaded on a hollow ceramic ball and used as a catalyst to catalyze hydrogen storage materials to produce hydrogen.
Example 9
The structural formula of the hydrogen storage material is as follows:
Figure BDA0002357731420000104
wherein R is a n-decyl group having 10 carbon atoms, R' is-H, R1is-H, n is 0, m is 0, and the hydrogen content is 0.32%.
The granular potassium hydroxide is used as a catalyst to catalyze the hydrogen storage material to produce hydrogen.
Example 10
The hydrogen storage material was the same as in example 9 except that R was eicosyl having 20 carbon atoms and the hydrogen content was 0.17%.
The granular potassium hydroxide is used as a catalyst to catalyze the hydrogen storage material to produce hydrogen.
Example 11
The hydrogen storage material was the same as in example 9, except that n was 0, m was 800,
the granular sodium hydroxide is used as a catalyst to catalyze the hydrogen storage material to produce hydrogen.
Example 12
The hydrogen storage material was the same as in example 9, except that n was 200, m was 200,
the granular sodium hydroxide is used as a catalyst to catalyze the hydrogen storage material to produce hydrogen.
Example 13
The structural formula of the hydrogen storage material is as follows:
Figure BDA0002357731420000111
wherein R is3Is isodecyl with 10 carbon atoms, R2is-H, n 'is 0, m' is 2,
the granular potassium hydroxide is used as a catalyst to catalyze the hydrogen storage material to produce hydrogen.
Example 14
The hydrogen storage material was the same as in example 13 except that R3Is an eicosyl group having 20 carbon atoms,
the granular potassium hydroxide is used as a catalyst to catalyze the hydrogen storage material to produce hydrogen.
Example 15
The hydrogen storage material was the same as in example 13, except that n 'was 15, m' was 15,
the granular potassium hydroxide is used as a catalyst to catalyze the hydrogen storage material to produce hydrogen.
Example 16
The hydrogen storage material was the same as in example 13, except that n 'was 7, m' was 8,
the granular potassium hydroxide is used as a catalyst to catalyze the hydrogen storage material to produce hydrogen.
Comparative example 1
The hydrogen storage material is the same as the embodiment 9, except that R is n-thirty hydrocarbon with carbon atoms of 30, and granular potassium hydroxide is used as a catalyst to catalyze the hydrogen storage material to produce hydrogen.
Comparative example 2
The hydrogen storage material was the same as in example 9, except that n was 900, m was 900,
the granular potassium hydroxide is used as a catalyst to catalyze the hydrogen storage material to produce hydrogen.
Comparative example 3
The hydrogen storage material was the same as in example 13 except that R was3Is an n-thirty hydrocarbon group having 30 carbon atoms,
the granular potassium hydroxide is used as a catalyst to catalyze the hydrogen storage material to produce hydrogen.
Comparative example 4
The hydrogen storage material was the same as in example 13, except that n 'was 16, m' was 20,
the granular potassium hydroxide is used as a catalyst to catalyze the hydrogen storage material to produce hydrogen.
Comparative example 5
The hydrogen storage material is cyclohexane, and the hydrogen is produced by catalyzing the hydrogen storage material by using noble metal Pt.
The hydrogen storage materials in examples 1 to 16 and comparative examples 1 to 5 are used to prepare fuel cells, wherein, the hydrogen production catalyst of the hydrogen storage material in the fuel cells adopts the corresponding catalyst of each example and comparative example, and the output power of the fuel cells corresponding to each example and comparative example is shown in the following table 1:
TABLE 1
Figure BDA0002357731420000121
Figure BDA0002357731420000131
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A hydrogen storage material, characterized in that a structural formula of the hydrogen storage material includes at least one of (1) and (2):
Figure FDA0002357731410000011
wherein the content of the first and second substances,
r and R3Each independently is-H, a hydrocarbon group with 1-20 carbon atoms and/or an aromatic group with 5-20 carbon atoms;
r' is-H, -CH ═ CH2、-NH2-OH and-CH3At least one of;
R1、R1’、R2and R2' independently represents at least one of-H, a hydrocarbon group having 1 to 20 carbon atoms and an aromatic group having 5 to 20 carbon atoms, and at least one R in (1)1is-H, at least one R in (2)2is-H;
n and m are respectively 0-800 independently, and m + n is more than or equal to 0 and less than or equal to 800; n 'and m' are each independently 0-15, and 2 ≤ n '+ m' is ≤ 30.
2. The hydrogen storage material of claim 1, wherein R and R3Each independently is at least one of-H, methyl, ethyl, propyl, isopropyl and phenyl, preferably each independently is methyl and/or phenyl.
3. Hydrogen storage material according to claim 1, characterized in that R' is-H, -CH ═ CH2、-NH2-OH and-CH3Is preferably-H and/or-CH3。
4. According to the claimsThe hydrogen storage material according to claim 1, wherein R is1、R1’、R2And R2' are each independently at least one of methyl, ethyl, propyl, isopropyl, phenyl and-H, preferably are each independently-H and/or methyl.
5. A hydrogen storage material according to claim 1, characterized in that n 'and m' are each independently 0 to 10, and 3. ltoreq. n '+ m'. ltoreq.10.
6. A hydrogen storage material according to any of claims 1-5, characterized in that the viscosity of the hydrogen storage material is 1-10000 mPa-s;
preferably, the hydrogen content of the hydrogen storage material is 0.1-8 wt%.
7. The hydrogen storage material of claim 6, wherein the hydrogen storage material comprises at least one of 202-high hydrogen silicone oil, perhydro silicone oil, methyl hydrogen silicone oil, and hydrogen-containing ring silicone oil.
8. Use of a hydrogen storage material according to any one of claims 1 to 7 for the production of hydrogen.
9. Use according to claim 8, wherein the hydrogen storage material is catalysed to produce hydrogen using a catalyst comprising a basic catalyst and/or Pt;
preferably, the basic catalyst comprises at least one of an alkali metal oxide, an alkaline earth metal hydroxide, and a sodium alkoxide;
preferably, the basic catalyst comprises NaOH, KOH, CH3ONa、CH3CH2ONa、Rb2O, CsO and SrO;
preferably, the catalyst further comprises a support on which the basic catalyst is supported;
preferably, the carrier comprises carbon nanotubes and Al2O3、SiO2Glass fiberAt least one of optical fiber, hollow ceramic, sea sand, graphite, glass, clay, plastic, resin, wood chips, expanded perlite, activated carbon, and hydrotalcite.
10. An energy conversion device comprising a hydrogen storage material according to any one of claims 1 to 7;
preferably, the energy conversion device comprises a fuel cell.
CN202010016716.6A 2020-01-07 2020-01-07 Hydrogen storage material, application thereof and energy conversion device Pending CN111170272A (en)

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