CN107502297A - A kind of polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material and preparation method thereof - Google Patents
A kind of polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material and preparation method thereof Download PDFInfo
- Publication number
- CN107502297A CN107502297A CN201710721905.1A CN201710721905A CN107502297A CN 107502297 A CN107502297 A CN 107502297A CN 201710721905 A CN201710721905 A CN 201710721905A CN 107502297 A CN107502297 A CN 107502297A
- Authority
- CN
- China
- Prior art keywords
- nitrate
- graphene
- polynary
- storage material
- change heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
- C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The present invention provides a kind of polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material and preparation method thereof, and specific method is：Vermicular expanded graphite is added in the mixed solution of sulfuric acid and phosphoric acid, low temperature stirring, adds oxidizing, washing centrifugal drying, then through hydrazine hydrate reduction, obtain being modified netted expanded graphite alkene；Add water to stir nitrate mixture and modified netted expanded graphite alkene, form suspension, evaporation drying is pre-sintered, is cooled to room temperature and obtains the graphene composite material of particulate supported nitrate；After the graphene composite material of particulate supported nitrate and the processing of nano particle ball milling, the demoulding compressing through mould, then be placed in sinter in Muffle furnace and complete, room temperature is cooled to, obtains polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material.The unit volume energy storage density of sizing composite phase-change heat-storage material prepared by the present invention is big, stable chemical performance, and intensity is high, and cost is low.
Description
Technical field
The invention belongs to technical field of phase change heat storage, and in particular to a kind of polynary nitrate/graphene/nano rice grain
Sizing composite phase-change heat-storage material and preparation method thereof.
Background technology
Phase-change thermal storage technology can be stored energy with certain forms when heat energy is in liberal supply, in heat energy supply not
The technology to be released energy when sufficient, phase-change thermal storage technology can not only alleviate the demand of energy and supply is deposited over time and space
Unmatched situation, realize energy it is reasonable effectively configuration, and can ensure equipment operation stability, reach energy-conservation
Efficient purpose, the wide application prospect in terms of energy-saving and emission-reduction.
Heat-storage technology can be divided into three kinds of sensible heat energy storage, hidden heat energy storage and chemical reaction heat energy storage modes, wherein, latent heat storage
It can be absorbed using phase-change material in phase transition process from environment or release heat, equipment is reached storage and the mesh to release energy
, hidden heat energy storage has the advantages that higher storage density, constant running temperature and less equipment volume, but cost
It is higher.Common heat transfer medium has water, water vapour, conduction oil, liquid metal and fused salt etc..
Fuse salt is the molten state liquid of inorganic salts, and ionic crystals inorganic salts are formed after melting at high temperature.Common is molten
Melt salt to be made up of with halide, silicate, carbonate, nitrate and phosphate alkali metal or alkaline-earth metal.Fuse salt in
Other heat transfer mediums are compared, and have relative cost low, and temperature in use is high, and security is good, and latent heat is big, and energy storage density is high, and heat is steady
The advantages of qualitative good, it can be applied to the fields such as solar energy, nuclear energy and recovery industrial exhaust heat.
Nitrate and its fused salt mixt have excellent heat transfer and flow behavior, and easily dissolve, operating temperature 120
~300 DEG C, be phase-change material most-often used in heat reservoir.A kind of five yuan of nitre disclosed in Chinese patent CN 104479646B
Sour Molten Salt Heat Transfer heat storage medium and preparation method thereof, five yuan of nitric acid Molten Salt Heat Transfer heat storage mediums include potassium nitrate, calcium nitrate, Asia
Raw material is mixed evenly as raw material, is heated to 220-230 DEG C of melting, is cooled to room temperature by sodium nitrate and disodium hydrogen phosphate
Obtain product.Binary nitric acid nanometer molten salt heat transfer heat storage medium and preparation method thereof disclosed in Chinese patent CN103911121B,
Received silica, zinc oxide, aluminum oxide, calcium oxide, titanium oxide and/or magnesia is added after potassium nitrate and natrium nitrosum melting
Rice corpuscles, heating stirring to uniform, dry by air-flow crushing, is granulated, obtains the heat storage medium that conducts heat.But the fuse salt of one-component
Fusing point is higher, and heat endurance is poor, can not meet requirement of each field to high temperature heat transfer accumulation of heat, and therefore, people are usually by difference
Salt be mixed to form mixed melting salt, but added because fuse salt in solid-liquid conversion is, it is necessary to encapsulated using dedicated container
Thermal resistance between heat transfer medium and phase-change material, heat transfer efficiency is reduced, cost also accordingly improves, and serious high temperature corrosion be present
The shortcomings of.Expanded graphite has high thermal conductivity coefficient, low-density, good heat endurance and chemical stability, and the present invention will expansion
Graphite, as raw material, sintering is combined with compact technique and prepares phase change heat storage material, further to improve fused salt with fuse salt
The phase transformation potential of system.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of polynary nitrate/graphene/nano rice grain sizing compound phase
Change heat storage material and preparation method thereof, the present invention mix polynary nitrate with network expanded graphite alkene pre-sintered melting formation
Grain, particle obtain composite phase-change energy storage material of shaping with compacting sintering after nano particle ball milling.Sizing prepared by the present invention is compound
Phase-changing energy storage material is the three-dimensional network shape pore structure using modified netted expanded graphite alkene by polynary nitrate and nanometer
Wherein, assisted sintering and compact technique are prepared that unit volume energy storage density is big, stable chemical performance, by force for grain cladding and absorption
Degree is high, the low phase-change material of cost.
In order to solve the above technical problems, the technical scheme is that：
A kind of polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material, the polynary nitrate/stone
Polynary nitrate is two in calcium nitrate, sodium nitrate and potassium nitrate in black alkene/nano particle sizing composite phase-change heat-storage material
Kind and more than, graphene is netted for modification in the polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material
Expanded graphite alkene, the nano particle are nano silicon or titanium dioxide, and the netted expanded graphite alkene of modification is in three
Tie up network-like pore structure polynary nitrate and nano particle are coated and adsorbed wherein.
The present invention also provides a kind of preparation of polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material
Method, comprise the following steps：
(1) vermicular expanded graphite is added to volume ratio as 1:In 8-9 sulfuric acid and the mixed solution of phosphoric acid, low temperature stirs
Mix, add oxidizing, washing centrifugal drying, then through hydrazine hydrate reduction, obtain being modified netted expanded graphite alkene；
(2) the netted expanded graphite alkene of modification prepared nitrate mixture with step (1) mixes, and adds water to stir, and is formed
Suspension, evaporation drying, be placed in Muffle furnace it is pre-sintered, be cooled to room temperature obtain particulate supported nitrate graphene it is compound
Material；
(3) graphene composite material for the particulate supported nitrate for preparing step (2) is handled with nano particle ball milling
Afterwards, it is compressing through mould, the demoulding, then be placed in sinter in Muffle furnace and complete, room temperature is cooled to, obtains polynary nitrate/graphite
Alkene/nano particle sizing composite phase-change heat-storage material.
As the preferred of above-mentioned technical proposal, in the step (1), oxidant is potassium permanganate or hydrogen peroxide.
As the preferred of above-mentioned technical proposal, in the step (2), nitrate mixture includes calcium nitrate, sodium nitrate
With two kinds in potassium nitrate and more than.
As the preferred of above-mentioned technical proposal, in the step (2), nitrate mixture and modified netted expanded graphite alkene
Weight ratio be 1:0.005-0.15.
As the preferred of above-mentioned technical proposal, in the step (2), pre-sintered temperature is 220-350 DEG C, and the time is
1.5-6h。
As the preferred of above-mentioned technical proposal, in the step (3), nano particle is nano silicon or titanium dioxide
Titanium.
As the preferred of above-mentioned technical proposal, in the step (3), the time of ball-milling treatment is 1-2h.
As the preferred of above-mentioned technical proposal, in the step (3), compressing pressure is 4-30MPa, time 1-
10min。
As the preferred of above-mentioned technical proposal, in the step (3), the temperature of sintering is 280-400 DEG C, time 2-
5h。
Compared with prior art, the invention has the advantages that：
(1) the polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material that prepared by the present invention is will be polynary
Nitrate mixes pre-sintered melting with network expanded graphite alkene and forms particle, and network expanded graphite alkene is in the hole of three-dimensional network shape
Structure, and with high thermal conductivity coefficient, low-density, good heat endurance and chemical stability, in suction-operated and mechanical dispersion
Collective effect lower network expanded graphite alkene can easily by polynary nitrate fused salt absorption wherein, then through pre-sintering solidification
The content of polynary nitrate is big in composite particles, then makes composite particles surface attachment by after particle and nano particle ball milling again
Nano particle, compacting sintering obtain composite phase-change energy storage material of shaping, and further improve the heat endurance of compound system, reduce molten
Point, makes use temperature range broaden, and improves the latent heat of phase change energy storage of compound system.
(2) polynary nitrate prepared by the present invention/graphene/nano rice grain sizing composite phase-change heat-storage material is to utilize to change
Property netted expanded graphite alkene three-dimensional network shape pore structure by polynary nitrate and nano particle coat and absorption wherein, auxiliary
Sintering and compact technique are prepared that unit volume energy storage density is big, stable chemical performance, and intensity is high, the low phase transformation material of cost
Material.
(3) preparation technology of the invention is simple to operate, and addition activating agent, forming agent, binding agent, preparation process be not controllable by mistake
Property good, favorable reproducibility, the phase-changing energy storage material No leakage of preparation, do not corrode, be adapted to large-scale production and use, in solar energy
The fields such as hot generation technology, industrial afterheat recovery utilize, cold electric three coproduction of heat have a extensive future.
Embodiment
The present invention is described in detail below in conjunction with specific embodiment, herein illustrative examples and explanation of the invention
For explaining the present invention, but it is not as a limitation of the invention.
Embodiment 1：
(1) vermicular expanded graphite is added to volume ratio as 1:In 8 sulfuric acid and the mixed solution of phosphoric acid, at 0 DEG C
Low temperature stirs, and adds potassium permanganate oxidation, continues to stir 10h at 50 DEG C, washs centrifugal drying, then through hydration at 180 DEG C
Hydrazine reduces 10h, obtains being modified netted expanded graphite alkene.
(2) it is 1 according to the weight ratio of nitrate mixture and modified netted expanded graphite alkene:0.005, by molal weight ratio
For 3:7 calcium nitrate and the mixture of sodium nitrate mix with modified netted expanded graphite alkene, add water to stir, form suspension,
Evaporation drying 3h at 98 DEG C, the pre-sintered 2h at 280 DEG C is placed in Muffle furnace, is cooled to room temperature and obtains particulate supported nitrate
Graphene composite material.
(3) by after the graphene composite material of particulate supported nitrate and nano silicon ball-milling treatment 1h,
Through the compressing 80s of mould, the demoulding under 6MPa pressure, then it is placed in Muffle furnace and sinters 3h at 300 DEG C, is cooled to room temperature, obtains
To polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material.
Embodiment 2：
(1) vermicular expanded graphite is added to volume ratio as 1:In 9 sulfuric acid and the mixed solution of phosphoric acid, at 5 DEG C
Low temperature stirs, and adds hydrogen peroxide oxidation, continues to stir 12h at 55 DEG C, washs centrifugal drying, then through hydration at 200 DEG C
Hydrazine reduces 12h, obtains being modified netted expanded graphite alkene.
(2) it is 1 according to the weight ratio of nitrate mixture and modified netted expanded graphite alkene:0.15, it is 6 by mol ratio:4
Calcium nitrate and the mixture of potassium nitrate mix with modified netted expanded graphite alkene, add water to stir, formation suspension, at 102 DEG C
Evaporation drying 3h, the pre-sintered 1.5h at 260 DEG C is placed in Muffle furnace, is cooled to room temperature and obtains the stone of particulate supported nitrate
Black alkene composite.
(3) after the graphene composite material of particulate supported nitrate and nano titanium dioxide ball mill being handled into 2h,
Through the compressing 90s of mould, the demoulding under 10MPa pressure, then it is placed in Muffle furnace and sinters 2.5h at 290 DEG C, is cooled to room temperature,
Obtain polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material.
Embodiment 3：
(1) vermicular expanded graphite is added to volume ratio as 1:In 8.5 sulfuric acid and the mixed solution of phosphoric acid, at 2 DEG C
Lower low temperature stirring, adds potassium permanganate oxidation, continues to stir 11h at 52 DEG C, washs centrifugal drying, then through water at 190 DEG C
Hydrazine reduction 11h is closed, obtains being modified netted expanded graphite alkene.
(2) it is 1 according to the weight ratio of nitrate mixture and modified netted expanded graphite alkene:0.01, it is 5 by mol ratio:
3:The mixture of 2 calcium nitrate, sodium nitrate and potassium nitrate mix with modified netted expanded graphite alkene, adds water to stir, and forms suspension
Liquid, the evaporation drying 2h at 100 DEG C, the pre-sintered 2.5h at 320 DEG C is placed in Muffle furnace, is cooled to room temperature and obtains graininess and bear
Carry the graphene composite material of nitrate.
(3) by after the graphene composite material of particulate supported nitrate and nano silicon ball-milling treatment 1.5h,
Through the compressing 2min of mould, the demoulding under 10MPa pressure, then it is placed in Muffle furnace and sinters 3h at 320 DEG C, is cooled to room temperature,
Obtain polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material.
Embodiment 4：
(1) vermicular expanded graphite is added to volume ratio as 1:In 9 sulfuric acid and the mixed solution of phosphoric acid, at 3 DEG C
Low temperature stirs, and adds potassium permanganate oxidation, continues to stir 10h at 53 DEG C, washs centrifugal drying, then through hydration at 1890 DEG C
Hydrazine reduces 10h, obtains being modified netted expanded graphite alkene.
(2) it is 1 according to the weight ratio of nitrate mixture and modified netted expanded graphite alkene:0.015, it is 6 by mol ratio:
4 sodium nitrate and the mixture of potassium nitrate mix with modified netted expanded graphite alkene, add water to stir, suspension are formed, at 105 DEG C
Lower evaporation drying 3h, the pre-sintered 4h at 300 DEG C is placed in Muffle furnace, is cooled to room temperature and obtains the stone of particulate supported nitrate
Black alkene composite.
(3) by after the graphene composite material of particulate supported nitrate and nano silicon ball-milling treatment 2h,
Through the compressing 1min of mould, the demoulding under 30MPa pressure, then it is placed in Muffle furnace and sinters 4h at 320 DEG C, is cooled to room temperature,
Obtain polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material.
Embodiment 5：
(1) vermicular expanded graphite is added to volume ratio as 1:In 8 sulfuric acid and the mixed solution of phosphoric acid, at 0 DEG C
Low temperature stirs, and adds hydrogen peroxide oxidation, continues to stir 10.5h at 55 DEG C, washs centrifugal drying, then through water at 200 DEG C
Hydrazine reduction 10h is closed, obtains being modified netted expanded graphite alkene.
(2) it is 1 according to the weight ratio of nitrate mixture and modified netted expanded graphite alkene:0.15, it is 5 by mol ratio:5
Calcium nitrate and the mixture of potassium nitrate mix with modified netted expanded graphite alkene, add water to stir, formation suspension, at 98 DEG C
Evaporation drying 3h, the pre-sintered 5h at 300 DEG C is placed in Muffle furnace, is cooled to room temperature and obtains the graphite of particulate supported nitrate
Alkene composite.
(3) by after the graphene composite material of particulate supported nitrate and nano silicon ball-milling treatment 1-2h,
Through the compressing 2min of mould, the demoulding under 25MPa pressure, then it is placed in Muffle furnace and sinters 2h at 380 DEG C, is cooled to room temperature,
Obtain polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material.
Embodiment 6：
(1) vermicular expanded graphite is added to volume ratio as 1:In 8 sulfuric acid and the mixed solution of phosphoric acid, at 2 DEG C
Low temperature stirs, and adds potassium permanganate oxidation, continues to stir 12h at 50 DEG C, washs centrifugal drying, then through hydration at 180 DEG C
Hydrazine reduces 12h, obtains being modified netted expanded graphite alkene.
(2) it is 1 according to the weight ratio of nitrate mixture and modified netted expanded graphite alkene:0.005, it is 6 by mol ratio:
4 sodium nitrate and the mixture of potassium nitrate mix with modified netted expanded graphite alkene, add water to stir, suspension are formed, at 100 DEG C
Lower evaporation drying 2.5h, the pre-sintered 4h at 280 DEG C is placed in Muffle furnace, is cooled to room temperature and obtains particulate supported nitrate
Graphene composite material.
(3) by after the graphene composite material of particulate supported nitrate and nano silicon ball-milling treatment 2h,
Through the compressing 2min of mould, the demoulding under 15MPa pressure, then it is placed in Muffle furnace and sinters 3h at 350 DEG C, is cooled to room temperature,
Obtain polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material.
After testing, the polynary nitrate that prepared by embodiment 1-6/graphene/nano rice grain sizing composite phase-change heat-storage material
And phase-change material accounts for the mass percent of total heat-storing material, using temperature in the polynary nitrate phase-change heat-storage material of prior art
Spend scope, the result of corrosion rate, latent heat of phase change and thermal conductivity factor is as follows at 550 DEG C：
As seen from the above table, first nitrate that prepared by the present invention/graphene/nano rice grain sizing composite phase-change heat-storage material
Unit volume energy storage density is big, stable chemical performance, does not corrode, and thermal conductivity factor is good.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
- A kind of 1. polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material, it is characterised in that：It is described polynary Polynary nitrate is calcium nitrate, sodium nitrate and potassium nitrate in nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material In two kinds and more than, graphene is in the polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material Modified netted expanded graphite alkene, the nano particle are nano silicon or titanium dioxide, the netted expansion stone of modification Polynary nitrate and nano particle are coated and adsorbed wherein in three-dimensional network shape pore structure by black alkene.
- 2. a kind of preparation method of polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material, its feature exist In comprising the following steps：(1) vermicular expanded graphite is added to volume ratio as 1:In 8-9 sulfuric acid and the mixed solution of phosphoric acid, low temperature stirring, Oxidizing, washing centrifugal drying is added, then through hydrazine hydrate reduction, obtains being modified netted expanded graphite alkene；(2) the netted expanded graphite alkene of modification prepared nitrate mixture with step (1) mixes, and adds water to stir, and is formed and suspended Liquid, evaporation drying, pre-sintering in Muffle furnace is placed in, room temperature is cooled to and obtains the graphene composite wood of particulate supported nitrate Material；(3) graphene composite material for the particulate supported nitrate for preparing step (2) is with after the processing of nano particle ball milling, passing through Mould is compressing, the demoulding, then is placed in sinter in Muffle furnace and completes, and is cooled to room temperature, obtains polynary nitrate/graphene/nano Rice grain sizing composite phase-change heat-storage material.
- 3. a kind of polynary nitrate according to claim 2/graphene/nano rice grain sizing composite phase-change heat-storage material Preparation method, it is characterised in that：In the step (1), oxidant is potassium permanganate or hydrogen peroxide.
- 4. a kind of polynary nitrate according to claim 2/graphene/nano rice grain sizing composite phase-change heat-storage material Preparation method, it is characterised in that：In the step (2), nitrate mixture is included in calcium nitrate, sodium nitrate and potassium nitrate Two kinds and more than.
- 5. a kind of polynary nitrate according to claim 2/graphene/nano rice grain sizing composite phase-change heat-storage material Preparation method, it is characterised in that：In the step (2), nitrate mixture and the weight ratio of modified netted expanded graphite alkene are 1:0.005-0.15。
- 6. a kind of polynary nitrate according to claim 2/graphene/nano rice grain sizing composite phase-change heat-storage material Preparation method, it is characterised in that：In the step (2), pre-sintered temperature is 220-350 DEG C, time 1.5-6h.
- 7. a kind of polynary nitrate according to claim 2/graphene/nano rice grain sizing composite phase-change heat-storage material Preparation method, it is characterised in that：In the step (3), nano particle is nano silicon or titanium dioxide.
- 8. a kind of polynary nitrate according to claim 2/graphene/nano rice grain sizing composite phase-change heat-storage material Preparation method, it is characterised in that：In the step (3), the time of ball-milling treatment is 1-2h.
- 9. a kind of polynary nitrate according to claim 2/graphene/nano rice grain sizing composite phase-change heat-storage material Preparation method, it is characterised in that：In the step (3), compressing pressure is 4-30MPa, time 1-10min.
- A kind of 10. polynary nitrate according to claim 2/graphene/nano rice grain sizing composite phase-change heat-storage material Preparation method, it is characterised in that：In the step (3), the temperature of sintering is 280-400 DEG C, time 2-5h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710721905.1A CN107502297A (en) | 2017-08-22 | 2017-08-22 | A kind of polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710721905.1A CN107502297A (en) | 2017-08-22 | 2017-08-22 | A kind of polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107502297A true CN107502297A (en) | 2017-12-22 |
Family
ID=60691467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710721905.1A Withdrawn CN107502297A (en) | 2017-08-22 | 2017-08-22 | A kind of polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107502297A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297339A (en) * | 2018-12-05 | 2019-02-01 | 上海宝钢节能环保技术有限公司 | A kind of preparation method of full liquid type steam accumulator and its composite phase-change heat-storage material |
| CN109777369A (en) * | 2019-03-22 | 2019-05-21 | 中国科学院过程工程研究所 | A kind of two-part micropackaging thermal energy storage material and preparation method thereof and purposes |
| CN113480981A (en) * | 2021-07-01 | 2021-10-08 | 中国科学院上海应用物理研究所 | Preparation method of high-temperature phase change heat storage element and heat storage element formed by same |
| CN114410280A (en) * | 2022-01-14 | 2022-04-29 | 北京工业大学 | Low-melting-point wide-temperature-range fused salt composite sizing phase-change material and preparation method thereof |
| CN114644906A (en) * | 2020-12-17 | 2022-06-21 | 国家电投集团科学技术研究院有限公司 | Composite phase-change heat storage material and preparation method thereof |
| CN114763465A (en) * | 2021-01-14 | 2022-07-19 | 国电南瑞科技股份有限公司 | Phase-change heat storage material composite nucleating agent and preparation method thereof |
| CN115558472A (en) * | 2022-11-05 | 2023-01-03 | 北京民利储能技术有限公司 | Heat transfer and energy storage molten salt material and preparation method thereof |
| CN116639648A (en) * | 2023-06-29 | 2023-08-25 | 西安工业大学 | Solid hydrogen storage material and preparation method thereof |
-
2017
- 2017-08-22 CN CN201710721905.1A patent/CN107502297A/en not_active Withdrawn
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297339A (en) * | 2018-12-05 | 2019-02-01 | 上海宝钢节能环保技术有限公司 | A kind of preparation method of full liquid type steam accumulator and its composite phase-change heat-storage material |
| CN109777369A (en) * | 2019-03-22 | 2019-05-21 | 中国科学院过程工程研究所 | A kind of two-part micropackaging thermal energy storage material and preparation method thereof and purposes |
| CN109777369B (en) * | 2019-03-22 | 2020-09-08 | 中国科学院过程工程研究所 | Two-section type micro-packaging composite heat storage material and preparation method and application thereof |
| CN114644906A (en) * | 2020-12-17 | 2022-06-21 | 国家电投集团科学技术研究院有限公司 | Composite phase-change heat storage material and preparation method thereof |
| CN114644906B (en) * | 2020-12-17 | 2023-06-23 | 国家电投集团科学技术研究院有限公司 | Composite phase-change heat storage material and preparation method thereof |
| CN114763465A (en) * | 2021-01-14 | 2022-07-19 | 国电南瑞科技股份有限公司 | Phase-change heat storage material composite nucleating agent and preparation method thereof |
| CN114763465B (en) * | 2021-01-14 | 2024-02-13 | 国电南瑞科技股份有限公司 | Phase-change heat storage material composite nucleating agent and preparation method thereof |
| CN113480981B (en) * | 2021-07-01 | 2023-03-14 | 中国科学院上海应用物理研究所 | Preparation method of high-temperature phase change heat storage element and heat storage element formed by same |
| CN113480981A (en) * | 2021-07-01 | 2021-10-08 | 中国科学院上海应用物理研究所 | Preparation method of high-temperature phase change heat storage element and heat storage element formed by same |
| CN114410280A (en) * | 2022-01-14 | 2022-04-29 | 北京工业大学 | Low-melting-point wide-temperature-range fused salt composite sizing phase-change material and preparation method thereof |
| CN115558472A (en) * | 2022-11-05 | 2023-01-03 | 北京民利储能技术有限公司 | Heat transfer and energy storage molten salt material and preparation method thereof |
| CN115558472B (en) * | 2022-11-05 | 2024-05-03 | 北京民利储能技术有限公司 | Heat-transfer energy-storage molten salt material and preparation method thereof |
| CN116639648A (en) * | 2023-06-29 | 2023-08-25 | 西安工业大学 | Solid hydrogen storage material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107502297A (en) | A kind of polynary nitrate/graphene/nano rice grain sizing composite phase-change heat-storage material and preparation method thereof | |
| Zhang et al. | Latent heat thermal energy storage systems with solid–liquid phase change materials: a review | |
| Zhou et al. | Recent advances in organic/composite phase change materials for energy storage | |
| CN103911121B (en) | Nanometer molten binary nitrate heat-transfer heat-storage medium and preparation method thereof | |
| CN103923619B (en) | Molten nano-carbonate heat transfer and accumulation medium, and preparation method and application thereof | |
| CN103113854B (en) | A kind of mobile heat supply composite phase-change material and preparation method thereof | |
| CN103289653A (en) | High-thermal-conductivity heat-storing nanometer-particle-mixed molten salt and preparation method thereof | |
| WO2014114220A1 (en) | Nanometer molten salt heat-transfer and heat-storage medium, preparation method and use thereof | |
| CN103087558B (en) | Boiler back end ductwork heat-insulating anti-corrosive coating and preparation method thereof and coating composition | |
| Wang et al. | Review of encapsulated salt hydrate core-shell phase change materials | |
| CN105586012B (en) | A kind of aliphatic acid/PERFORMANCE OF MODIFIED VERMICULITE composite phase-change energy storage material and preparation method thereof | |
| CN101613593A (en) | A kind of fluorine salt-based nano high temperature phase change heat storage composite material and preparation method thereof | |
| Yan et al. | Construction strategies and thermal energy storage applications of shape‐stabilized phase change materials | |
| CN1309797C (en) | Composite inorganic salt/ceramic-base heat-accumulating material and its preparing process | |
| CN108251073A (en) | A kind of phase change heat storage material with nucleocapsid and preparation method thereof | |
| Chen et al. | High-performance macro-encapsulated composite for photothermal conversion and latent heat storage | |
| Zhao et al. | Three-dimensional interconnected porous TiO2 ceramics for high-temperature thermal storage | |
| Wang et al. | Micro-encapsulation of a low-melting-point alloy phase change material and its application in electronic thermal management | |
| Chen et al. | Review on Porous Ceramic‐Based Form‐Stable Phase Change Materials: Preparation, Enhance Thermal Conductivity, and Application | |
| Jiang et al. | Particle technology in the formulation and fabrication of thermal energy storage materials | |
| Li et al. | Preparation and characterization of quinary nitrate salt based composite phase change material with low melting point for low and medium temperature thermal energy storage | |
| Zhao et al. | Advances in nanoclay‐based form stable phase change materials: a review | |
| Yao et al. | Preparation and thermophysical properties of a novel metallic microencapsulated phase change material/eutectic salt/ceramic composite | |
| Kang et al. | A novel high temperature eutectic salt and its composite with enhanced high conductivity | |
| CN110041895A (en) | A kind of heat accumulation heat-transfer matcrial and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171222 |
|
| WW01 | Invention patent application withdrawn after publication |