CN102307025A - Integrated solar power generation and storage device - Google Patents
Integrated solar power generation and storage device Download PDFInfo
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- CN102307025A CN102307025A CN201110274079A CN201110274079A CN102307025A CN 102307025 A CN102307025 A CN 102307025A CN 201110274079 A CN201110274079 A CN 201110274079A CN 201110274079 A CN201110274079 A CN 201110274079A CN 102307025 A CN102307025 A CN 102307025A
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Abstract
The invention discloses an integrated solar power generation and storage device, which belongs to the technical field of solar energy. The device mainly comprises a solar collector, an alkali metal thermoelectric converter and a sodium-sulphur battery, wherein the solar collector converts solar radiant energy into thermal energy and transmits the thermal energy to the alkali metal thermoelectric converter; the alkali metal thermoelectric converter directly converts the thermal energy into electric energy; and the electric energy can be directly used or stored in the sodium-sulphur battery as a power supply when the solar radiant energy is insufficient. The device can highly efficiently convert the solar radiant energy into the electric energy, simultaneously has power generation and storage functions and can effectively solve problems about power utilization in remote areas.
Description
Technical field
The invention belongs to technical field of solar, be specifically related to a kind of based on the solar power generation electric power storage integrated apparatus of alkali metal thermo-electric conversion with sodium-sulphur battery.
Background technology
Solar energy is a kind of clean reproducible new forms of energy, and solar power generation is optimal new forms of energy, and existing solar energy generation technology mainly is solar-energy photo-voltaic cell generating and light collection solar generating.The principle of solar energy thermal-power-generating is to utilize the heat of solar energy that water is heated into steam, and the steam pushing turbine rotates, and then pushing motor rotates and generates electricity.The present invention is different from above dual mode, is directly to convert heat energy into electric energy through the alkali metal thermo-electric transducer, does not re-use steamer-generating set.In addition, the present invention also utilizes the sodium-sulphur battery energy storage, reaches the function of generating+electric power storage.Apparatus of the present invention are by solar collector, and alkali metal thermo-electric transducer and sodium-sulphur battery are formed.
Solar collector is to convert solar radiant energy into heat energy, can be divided into flat plate collector and concentrating collector according to structure, and concentrating collector can make sunlight focus on and obtain high temperature, and focus can be point-like or wire.
Alkali metal thermo-electric conversion is the ionic conductivity of utilizing Beta-aluminium oxide solid electrolyte, makes working medium with alkali metal (sodium, potassium or Na-K alloy), is that the thermoelectric energy of operation principle is directly changed new technology with the heat concentration difference cell process of regenerating.The theoretical efficiency of alkali metal thermo-electric conversion is most effective in all thermoelectric conversion regimes of finding so far near Carnot's cycle efficiency.The experimental abroad aspects such as space power system, cogeneration and cogeneration of heat and power that are applied to.
Sodium-sulphur battery be a kind of with the sodium metal be negative pole, sulphur be anodal, be the secondary cell of electrolyte membrance with the Beta-aluminium oxide.Under certain workability, sodium ion sees through the reversible reaction that takes place between electrolyte membrance and the sulphur, forms the release and the storage of energy.Sodium-sulphur battery is used for energy storage and has original advantage, is mainly reflected in that raw material and preparation cost are low, energy and power density is big, efficient is high, do not receive the place restriction, aspect such as easy to maintenance.The implementation phase that sodium-sulphur battery getting into commercialization in Japan.
Summary of the invention
The object of the present invention is to provide a kind of solar power generation electric power storage integrated apparatus.
A kind of solar power generation electric power storage integrated apparatus; Solar collector 2 links to each other with alkali metal thermo-electric transducer 5; Alkali metal thermo-electric transducer 5 links to each other with sodium-sulphur battery 4, and solar collector 2 is supported by supporting construction 1, and alkali metal thermo-electric transducer 5 is equipped with insulation material 3 with sodium-sulphur battery 4 outsides; Being configured to of said alkali metal thermo-electric transducer 5: hot junction 6 connects Beta-aluminium oxide solid electrolyte 8 and evaporator 12, and evaporator 12 connects wick 11, and wick 11 links to each other with condenser 9, and condenser 9 outsides are cold junction 10, and it is outside that outer wall 7 is covered with whole device.
Solar collector 2 links to each other with the hot junction 6 of alkali metal thermo-electric transducer 5.
The cold junction 10 of alkali metal thermo-electric transducer 5 links to each other with sodium-sulphur battery 4.
Beneficial effect of the present invention: the present invention adopts the alkali metal thermo-electric transducer, directly converts heat energy into electric energy, has improved the efficient of solar power generation; The alkali metal thermo-electric transducer is compared with steamer-generating set, no-rotary part, and stable and Maintenance free need not special water source cooling in addition, is useful for the water-deficient area; Alkali metal thermo-electric transducer quality and volume are little, are easy to carry; Sodium-sulphur battery can be with electrical power storage, in night or overcast and rainy proof load electricity consumption; The cold junction working temperature of the working temperature of sodium-sulphur battery and alkali metal thermo-electric transducer is in same interval; Place the cold junction of alkali metal thermo-electric transducer can make full use of the work waste heat of alkali metal thermo-electric transducer sodium-sulphur battery, improve the utilization ratio of solar energy.
Description of drawings
Fig. 1 is a solar power generation electric power storage integrated apparatus structure chart;
Fig. 2 is alkali metal thermo-electric converter structure figure;
Among the figure, 1-solar collector supporting construction, 2-solar collector, 3-insulation material, 4-sodium-sulphur battery, 5-alkali metal thermo-electric transducer, 6-alkali metal thermo-electric transducer hot junction, 7-alkali metal thermo-electric transducer outer wall, 8-Beta-aluminium oxide solid electrolyte, 9-alkali metal thermo-electric transducer condenser, 10-alkali metal thermo-electric transducer cold junction, 11-wick, 12-evaporator.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is further specified.
Embodiment 1
Solar power generation electric power storage integrated apparatus (as shown in Figure 1); Solar collector 2 links to each other with alkali metal thermo-electric transducer 5; Alkali metal thermo-electric transducer 5 links to each other with sodium-sulphur battery 4; Solar collector 2 is supported by supporting construction 1, and alkali metal thermo-electric transducer 5 is equipped with insulation material 3 with sodium-sulphur battery 4 outsides; The structure of alkali metal thermo-electric transducer 5 (as shown in Figure 2) is: hot junction 6 connects Beta-aluminium oxide solid electrolyte 8 and evaporator 12; Evaporator 12 connects wick 11; Wick 11 links to each other with condenser 9, and condenser 9 outsides are cold junction 10, and it is outside that outer wall 7 is covered with whole device; Solar collector 2 links to each other with the hot junction 6 of alkali metal thermo-electric transducer 5, and the cold junction 10 of alkali metal thermo-electric transducer 5 links to each other with sodium-sulphur battery 4.
Solar radiant energy is collected through solar collector 2; And pass to alkali metal thermo-electric transducer 5; Alkali metal thermo-electric transducer 5 is an electric energy with thermal power transfer; Waste heat passes to sodium-sulphur battery 4 through the cold junction 10 of alkali metal thermo-electric transducer, and alkali metal thermo-electric transducer 5 is incubated with insulation material 3 with sodium-sulphur battery 4 on every side, and alkali metal thermo-electric transducer 5 and sodium-sulphur battery 4 are worked under normal working temperature.
Liquid metal sodium circulates in alkali metal thermo-electric transducer 5 as working media.Heat passes to evaporator 12 through alkali metal thermo-electric transducer hot junction 6; Liquid Sodium is evaporated in evaporator 12 and is become gaseous state; After sodium vapour transmission Beta-aluminium oxide solid electrolyte 8 arrives alkali metal thermo-electric transducer condenser 9; Condensation becomes liquid state and emits heat, heat transferred sodium-sulphur battery 4.Liquid Sodium is back to evaporator 12 through wick 11, accomplishes a cyclic process to this sodium.
8 of Beta-aluminium oxide solid electrolytes see through sodium ion, so Beta-aluminium oxide solid electrolyte 8 inside and outside walls formation electrical potential difference, directly convert heat energy into electric energy thus.
Claims (3)
1. solar power generation electric power storage integrated apparatus; It is characterized in that; Solar collector (2) links to each other with alkali metal thermo-electric transducer (5); Alkali metal thermo-electric transducer (5) links to each other with sodium-sulphur battery (4), and solar collector (2) is supported by supporting construction (1), and insulation material (3) is equipped with in alkali metal thermo-electric transducer (5) and sodium-sulphur battery (4) outside; Being configured to of said alkali metal thermo-electric transducer (5): hot junction (6) connect Beta-aluminium oxide solid electrolyte (8) and evaporator (12); Evaporator (12) connects wick (11); Wick (11) links to each other with condenser (9); Condenser (9) outside is cold junction (10), and it is outside that outer wall (7) is covered with whole device.
2. according to the said a kind of solar power generation electric power storage integrated apparatus of claim 1, it is characterized in that solar collector (2) links to each other with the hot junction (6) of alkali metal thermo-electric transducer (5).
3. according to the said a kind of solar power generation electric power storage integrated apparatus of claim 1, it is characterized in that the cold junction (10) of alkali metal thermo-electric transducer (5) links to each other with sodium-sulphur battery (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110274079A CN102307025A (en) | 2011-09-15 | 2011-09-15 | Integrated solar power generation and storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110274079A CN102307025A (en) | 2011-09-15 | 2011-09-15 | Integrated solar power generation and storage device |
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| Publication Number | Publication Date |
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| CN102307025A true CN102307025A (en) | 2012-01-04 |
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| CN201110274079A Pending CN102307025A (en) | 2011-09-15 | 2011-09-15 | Integrated solar power generation and storage device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207576A (en) * | 2015-10-28 | 2015-12-30 | 蒋安为 | Infrared generator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0737614A (en) * | 1993-07-21 | 1995-02-07 | Ngk Spark Plug Co Ltd | Solid electrolyte tube |
| CN101594077A (en) * | 2009-07-01 | 2009-12-02 | 哈尔滨工程大学 | A kind of multi-stage capillary pump |
| CN101604864B (en) * | 2009-07-17 | 2011-08-03 | 哈尔滨工程大学 | Integrated energy device of sodium-sulfur battery and alkali metal thermoelectric direct converter |
| CN202261080U (en) * | 2011-09-15 | 2012-05-30 | 华北电力大学 | Solar power generating and accumulating integrated device |
-
2011
- 2011-09-15 CN CN201110274079A patent/CN102307025A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0737614A (en) * | 1993-07-21 | 1995-02-07 | Ngk Spark Plug Co Ltd | Solid electrolyte tube |
| CN101594077A (en) * | 2009-07-01 | 2009-12-02 | 哈尔滨工程大学 | A kind of multi-stage capillary pump |
| CN101604864B (en) * | 2009-07-17 | 2011-08-03 | 哈尔滨工程大学 | Integrated energy device of sodium-sulfur battery and alkali metal thermoelectric direct converter |
| CN202261080U (en) * | 2011-09-15 | 2012-05-30 | 华北电力大学 | Solar power generating and accumulating integrated device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207576A (en) * | 2015-10-28 | 2015-12-30 | 蒋安为 | Infrared generator |
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Application publication date: 20120104 |