CN103307793A - Solar energy gravity self-cleaning system for flat plate collector - Google Patents
Solar energy gravity self-cleaning system for flat plate collector Download PDFInfo
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- CN103307793A CN103307793A CN2013102643716A CN201310264371A CN103307793A CN 103307793 A CN103307793 A CN 103307793A CN 2013102643716 A CN2013102643716 A CN 2013102643716A CN 201310264371 A CN201310264371 A CN 201310264371A CN 103307793 A CN103307793 A CN 103307793A
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- flat plate
- container
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- plate collector
- pipeline
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- 238000004140 cleaning Methods 0.000 title claims abstract description 75
- 230000005484 gravity Effects 0.000 title claims abstract description 23
- 239000011521 glass Substances 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 239000000126 substance Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 230000008859 change Effects 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 description 6
- 238000009833 condensation Methods 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 230000004087 circulation Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000013517 stratification Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
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- Photovoltaic Devices (AREA)
Abstract
The invention discloses a solar energy gravity self-cleaning system for a flat plate collector. The solar energy gravity self-cleaning system comprises the flat plate collector, wherein a left-side container and a right-side container, which can vertically move up and down and can absorb solar energy heat are respectively arranged outside two sides of the flat plate collector, and are filled with liquid working substance, a pipeline can move or expand and contract along the change of the gravities of the left-side container and the right-side container, the left-side container and the right-side container are respectively communicated with the two ends of the pipeline, a left-side light shield and a right-side light shield are arranged right above of the left-side container and the right-side container, and the solar energy gravity self-cleaning system further comprises a cleaning device for cleaning a glass cover plate of the flat plate collector. According to the invention, by the two water containers and the pipeline as well as mass transfer generated by absorption of the solar energy heat, the dead weights of the two containers are changed, and the collector can move up and down after the gravities of the two containers are changed to drive the cleaning device to clean the collector, so that the utilization ratio of the solar energy is improved, improvement of the solar energy utilization is facilitated, and the consumption of energy sources and manual power in a conventional cleaning mode is reduced.
Description
Technical field
The present invention relates to the Application of Solar Energy field, especially a kind of flat plate collector solar energy gravity self-cleaning system.
Background technology
Plate solar collector is after long-time the use, and the heat collector surface has dust stratification, causes the solar energy transmitance to reduce, and has reduced solar conversion efficiency.The employed flat board of industry and commerce and civil area or vacuum tube collector do not clean usually, so its solar energy utilization ratio reduces gradually, and if carry out fixed time cleaning, water consumption, power consumption, consumption are artificial, and a lot of installation site is not suitable for carrying out manual cleaning.The cleaning systems that adopt special material are also arranged, can delay dust stratification, but thorough head it off and improved production cost.
Summary of the invention
After the object of the invention is to be placed on outdoor long-time use for solar thermal collector, glass cover plate surfaces is adhered to the technical problem that a large amount of dust stratifications cause photo-thermal conversion efficiency to reduce, the mass transfer that provides a kind of process solar energy heating high temperature evaporation and cryogenic condensation to cause changes, cause the changes in weight of two containers, thereby drive cleaning device electric power and manpower automated cleaning flat plate collector glass cover-plate are cleaned, be need not in the heat collector surface, improve the flat plate collector solar energy gravity self-cleaning system of solar energy utilization rate.
For realizing above purpose, the present invention has taked following technical scheme: flat plate collector solar energy gravity self-cleaning system, include flat plate collector, outside the flat plate collector both sides, be respectively equipped with and vertically move up and down, left-hand container and right side container with solar energy heat absorbing function, fill with in left-hand container and the right side container liquid working substance is arranged, can move or flexible pipeline with left-hand container and right side container Gravity changer, described left-hand container and right side container are communicated in respectively pipe ends, and the position directly over described left-hand container and right side container is respectively equipped with left side light shield and right side light shield; Also include the cleaning device for the glass cover-plate of cleaning plate heat collector.
A kind of can be so that flat plate collector carries out the self-cleaning thinking of timing, this patent need not to consume additional energy source and artificial, realizes automated cleaning, improves the thermal efficiency of plate solar collector.After the long-time use of plate solar collector, the long-pending full dust of glass cover plate surfaces, sunlight transmittance reduces, and photo-thermal conversion efficiency reduces.The thinking of this patent is outside the water passage circulation system of conventional flat plate collector, by two heat absorption containers and two shades, there is one to utilize solar energy thermal absorptivity difference to cause that temperature rise is different in the heat collector outside, two containers absorb heat respectively and by shading in the same time, thereby when shining upon, produce the larger temperature difference, and then cause that evaporation and condensation cause heat collector two ends container weight to change and produce reciprocating power driving cleaning systems cleaning plate heat collector glass cover-plate, the heat absorption container has pipeline to connect, the temperature difference causes two working medium in the container to produce respectively evaporation and condensation, cause that self gravitation changes, Gravity changer to one a boundary rear high-lying container descends, the low level container rises, gravitational difference pulling cleaning device cleaning glass cover plate; Follow-up solar light irradiation, container carries out the inverted evaporation condensation, produces reverse gravitational difference and drive the reverse cleaning glass cover plate of cleaning device behind boundary value.Improve sunshine in the transmitance of glass cover-plate, improve photo-thermal conversion efficiency.
Pipeline laterally places the flat plate collector outside, and the position, the flat plate collector that stretch out the flat plate collector both sides in pipe ends are respectively equipped with the pulley support frame, and described left-hand container and right side container are communicated with pipe ends.Pipeline can not be fixed on the flat plate collector; can move along with the movement of left and right sides container; the pulley support frame can be fixed pulley, movable pulley or other support members, and device for cleaning pipeline is crossed this structure and linked to each other with the right side container with left-hand container, for the protection of pipeline and flat plate collector.
Described cleaning device vertically arranges and is fixed on the pipeline, is respectively equipped with conduit on flat plate collector top and low side inboard, and described cleaning device places in the conduit at two ends up and down.Be integrated with conduit at flat plate collector, guarantee steadily effective cleaning glass cover plate of cleaning device; Cleaning device and conduit are used in conjunction with, and there are slide block structure or roller structure in its two ends, reduce resistance, improve cleaning frequency.
Pipeline laterally is fixed in the flat plate collector outside, and pipe ends vertically is provided with telescopic end, and described left-hand container and right side container are communicated with telescopic end respectively.This kind structure is that the excessively flexible mode of device for cleaning pipeline is communicated with the left and right sides container.
Described cleaning device vertically arranges, and is respectively equipped with conduit on flat plate collector top and low side inboard, and described cleaning device places in the conduit at two ends up and down, and cleaning device is connected with the right side container with left-hand container respectively by backguy.Be integrated with conduit at flat plate collector, guarantee steadily effective cleaning glass cover plate of cleaning device; Cleaning device and conduit are used in conjunction with, and there are slide block structure or roller structure in its two ends, reduce resistance, improve cleaning frequency, and pipeline and backguy can in heat collector glass cover-plate front, also can be placed on flat plate collector backboard back.
Described left-hand container and right side container scribble the dark sunshine material layer that absorbs at outer surface respectively, and left side light shield and right side light shield scribble the white reflection material layer at outer surface respectively.Certainly above left side light shield and right side light shield can be directly to use the reflectorized material manufacturing, left-hand container and right side container can adopt the manufacturing of high sunshine absorptivity material, thereby between two different vessels, produce different photo-thermal uptakes, and then produce different temperature rises and mass transport process.
Further, the working medium in left-hand container and the right side container is water.Change by the water yield and container dimensional, can effectively regulate the whereabouts blanking time of cleaning device; Also can use low boiling working fluid.
Further, container and pipeline are connected to become the system of remaining silent; Also can remove pipeline and only use backguy to connect two containers, container is open loop system, by week or month timing adding water in container.
Further, cleaning device can be advanced by left and right directions, also can advance by above-below direction, and corresponding pulley support frame carries out being assemblied on the flat plate collector of correspondence direction, and container, pipeline and light shield placement direction also can carry out the orientation and change; Also can change by adding the fixtures such as pulley the relative position of container, pipeline, light shield and cleaning device, backguy can be relatively vertical with pipeline.
The present invention can use in small-sized household flat plate collector system, also can use in the flat plate collector system that industrial scale is used; The present invention is applied in the cleaning systems of similar plane, for example the photovoltaic generation plate, have glass cover-plate the CPC solar thermal collector, small-sized concentrating collector of glass cover-plate etc. is arranged, be used for improving the glass cover sunlight transmittance, promote the solar energy utilization ratio.
The present invention compared with prior art, have following advantage: the present invention has water receptacle and pipeline by two, by the mass transfer behind the solar energy heat absorbing, change the deadweight of two containers, after changing, the gravity of heat collector both sides container produces lifting, drive clearing apparatus heat collector is cleaned, improve the utilization rate of solar energy.Be conducive to improve the solar energy utilization, reduce the energy and the manpower consumption of existing cleaning mode, very easy coupling is in now without the plate solar collector system that cleans.This patent need not control, automatically carries out, and is with low cost, is adapted at the field of solar energy utilization large-scale promotion.The further use of this patent can be applied in planar products or the occasions such as photovoltaic generation plate, glass curtain wall.
Description of drawings
Fig. 1 is flat plate collector solar energy gravity self-cleaning system schematic diagram
Description of reference numerals: 1, flat plate collector; 2, hot water storage tank; 3, upper circular tube; 4, lower circulation pipe; 5, conduit; 6, connecting pipe; 7, pulley; 8A, left side light shield; 8B, right side light shield; 9A, left-hand container; 9B, right side container; 10, cleaning device.
The specific embodiment
Below in conjunction with the drawings and specific embodiments content of the present invention is described in further details.
Embodiment one
As shown in Figure 1, flat plate collector solar energy gravity self-cleaning system, include flat plate collector 1, flat plate collector 1 top is provided with hot water storage tank 2, hot water storage tank 2 is connected with flat plate collector 1 with lower circulation pipe 4 by upper circular tube 3 respectively, outside flat plate collector 1 both sides, be respectively equipped with and vertically move up and down, left-hand container 9A and right side container 9B with solar energy heat absorbing function, fill with in left-hand container 9A and the right side container 9B liquid working substance is arranged, can move or flexible pipeline 6 with left-hand container 9A and right side container 9B Gravity changer, left-hand container 9A and right side container 9B are communicated in respectively pipeline 6 two ends, and the position directly over left-hand container 9A and right side container 9B is respectively equipped with left side light shield 8A and right side light shield 8B; Also include the cleaning device 10 for the glass cover-plate of cleaning plate heat collector 1.
Pipeline 6 laterally places flat plate collector 1 outside, and the position, the flat plate collector 1 that stretch out flat plate collector 1 both sides at pipeline 6 two ends are respectively equipped with pulley support frame 7, and left-hand container 9A and right side container 9B are communicated with pipeline 6 two ends.This moment, pipeline 6 was flexible pipe.Cleaning device 10 vertically arranges and is fixed on the pipeline 6, is respectively equipped with conduit 5 on flat plate collector 1 top and low side inboard, and cleaning device places in the conduit 5 at two ends about in the of 10.
The present embodiment pipeline 6 another structures are, pipeline 6 laterally is fixed in flat plate collector 1 outside, and pipeline 6 two ends vertically are provided with telescopic end, and described left-hand container 9A and right side container 9B are communicated with telescopic end respectively.
Left-hand container 9A and right side container 9B scribble the dark sunshine material layer that absorbs at outer surface respectively, and left side light shield 8A and right side light shield 8B scribble the white reflection material layer at outer surface respectively
The concrete action of the present embodiment is: be in left-hand container 9A, the right side container 9B surface blacking on flat plate collector 1 both sides to improve the sunshine absorptivity, water is arranged as working medium among left-hand container 9A, the right side container 9B, and the container of both sides link to each other by pipeline 6; Be fixed with two light shields in high-order correspondence, left side light shield 8A and right side light shield 8B, at the right side of low level container 9B when solar light irradiation is arranged, blacking Surface absorption solar energy improves the internal tank water temperature, water evaporation quantity is accelerated, the water vapour that evaporates enters being in the left-hand container 9A among the light shield 8A of left side of other one side by pipeline 6, sunshine can not shine the left-hand container 9A that is in the light shield, therefore its internal working medium water temperature changes slowly, from high-temperature steam and then the chance cryogenic condensation of pipeline 6 inflows.Continue working medium minimizing among the container 9B of this process right side, integral container weight reduces gradually, left-hand container 9A weight increases gradually, after the postcritical, left-hand container 9A drops on ground or the platform, and right side container 9B rises in the light shield, in the lifting process, by the cleaning device 10 inswept glass cover-plates that pipeline or backguy connect, improve the sunshine transmitance of glass cover-plate.After this action is finished, left and right sides container 9A and 9B be in that the sun directly shines and the situation of shading with last time opposite, solar light irradiation causes that left-hand container evaporation and right side container carry out condensation, after accumulative total working medium is changed to critical point, left-hand container rising right side container descends, pulling cleaning device 10 reverse inswept glass cover-plates are finished a circulation.Left and right sides container 9A and 9B Circularly liftable like this drives the inswept glass cover-plate of cleaning device 10 circulations, increases the sunlight transmittance of flat plate collector glass cover-plate, improves solar energy utilization ratio.
Above-listed detailed description is that this embodiment limits claim of the present invention for the specifying of possible embodiments of the present invention, and the equivalence that all the present invention of disengaging do is implemented or change, all should be contained in the claim of this case.
Claims (6)
1. flat plate collector is with solar energy gravity self-cleaning system, include flat plate collector (1), it is characterized in that: outside flat plate collector (1) both sides, be respectively equipped with and vertically move up and down, left-hand container (9A) and right side container (9B) with solar energy heat absorbing function, fill with in left-hand container (9A) and the right side container (9B) liquid working substance is arranged, can move or flexible pipeline (6) with left-hand container (9A) and right side container (9B) Gravity changer, described left-hand container (9A) and right side container (9B) are communicated in respectively pipeline (6) two ends, and the position directly over described left-hand container (9A) and right side container (9B) is respectively equipped with left side light shield (8A) and right side light shield (8B); Also include the cleaning device (10) for the glass cover-plate of cleaning plate heat collector (1).
2. flat plate collector as claimed in claim 1 is with solar energy gravity self-cleaning system, it is characterized in that: pipeline (6) laterally places flat plate collector (1) outside, the position, the flat plate collector (1) that stretch out flat plate collector (1) both sides at pipeline (6) two ends are respectively equipped with pulley support frame (7), and described left-hand container (9A) and right side container (9B) are communicated with pipeline (6) two ends.
3. flat plate collector as claimed in claim 2 is with solar energy gravity self-cleaning system, it is characterized in that: described cleaning device (10) vertically arranges and is fixed on the pipeline (6), be respectively equipped with conduit (5) on flat plate collector (1) top and low side inboard, described cleaning device (10) up and down two ends places in the conduit (5).
4. flat plate collector as claimed in claim 1 is with solar energy gravity self-cleaning system, it is characterized in that: pipeline (6) laterally is fixed in flat plate collector (1) outside, pipeline (6) two ends vertically are provided with telescopic end, and described left-hand container (9A) and right side container (9B) are communicated with telescopic end respectively.
5. flat plate collector as claimed in claim 4 is with solar energy gravity self-cleaning system, it is characterized in that: described cleaning device (10) vertically arranges, be respectively equipped with conduit (5) on flat plate collector (1) top and low side inboard, described cleaning device (10) up and down two ends places in the conduit (5), and cleaning device (10) also is connected 9B with left-hand container (9A) respectively by backguy with the right side container) be connected.
6. such as arbitrary described flat plate collector solar energy gravity self-cleaning system in the claim 1 to 5, it is characterized in that: described left-hand container (9A) and right side container (9B) scribble the dark sunshine material layer that absorbs at outer surface respectively, and left side light shield (8A) and right side light shield (8B) scribble the white reflection material layer at outer surface respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310264371.6A CN103307793B (en) | 2013-06-27 | 2013-06-27 | Solar energy gravity self-cleaning system for flat plate collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310264371.6A CN103307793B (en) | 2013-06-27 | 2013-06-27 | Solar energy gravity self-cleaning system for flat plate collector |
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| Publication Number | Publication Date |
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| CN103307793A true CN103307793A (en) | 2013-09-18 |
| CN103307793B CN103307793B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310264371.6A Expired - Fee Related CN103307793B (en) | 2013-06-27 | 2013-06-27 | Solar energy gravity self-cleaning system for flat plate collector |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925722A (en) * | 2014-03-31 | 2014-07-16 | 蓝莹 | Solar collector with cleaning function |
| CN104096691A (en) * | 2014-07-21 | 2014-10-15 | 山东鲁班智能装备有限公司 | Steam cleaning system for photovoltaic solar power station |
| CN105689302A (en) * | 2016-03-10 | 2016-06-22 | 山东豪沃电气有限公司 | Automatic cleaning device for solar cell panels |
| CN107508546A (en) * | 2017-08-11 | 2017-12-22 | 清远市德晟嘉恒能源环保工程有限责任公司 | Photovoltaic device |
| CN109660198A (en) * | 2018-12-12 | 2019-04-19 | 耿声俊 | A kind of high-rise building solar panels being convenient to clean |
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| CN2854450Y (en) * | 2004-12-15 | 2007-01-03 | 李志强 | Dust remover of solar water heater |
| CN1970175A (en) * | 2006-12-11 | 2007-05-30 | 中原工学院 | Solar vacuum tube heat-collector superficial dust automatic cleaning device |
| CN201211520Y (en) * | 2008-06-19 | 2009-03-25 | 艾贻洪 | Surface dust separator of solar vacuum tube heat collectors |
| EP2437001A1 (en) * | 2010-10-01 | 2012-04-04 | Fachhochschule Regensburg | Service device for cleaning and maintenance of a solar panel arrangement |
| US20130055516A1 (en) * | 2011-09-07 | 2013-03-07 | Song-hao WANG | Glass surface cleaning device |
| CN202885291U (en) * | 2012-06-12 | 2013-04-17 | 李佳博 | Solar water heater capable of automatically descaling |
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2013
- 2013-06-27 CN CN201310264371.6A patent/CN103307793B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2854450Y (en) * | 2004-12-15 | 2007-01-03 | 李志强 | Dust remover of solar water heater |
| CN1970175A (en) * | 2006-12-11 | 2007-05-30 | 中原工学院 | Solar vacuum tube heat-collector superficial dust automatic cleaning device |
| CN201211520Y (en) * | 2008-06-19 | 2009-03-25 | 艾贻洪 | Surface dust separator of solar vacuum tube heat collectors |
| EP2437001A1 (en) * | 2010-10-01 | 2012-04-04 | Fachhochschule Regensburg | Service device for cleaning and maintenance of a solar panel arrangement |
| US20130055516A1 (en) * | 2011-09-07 | 2013-03-07 | Song-hao WANG | Glass surface cleaning device |
| CN202885291U (en) * | 2012-06-12 | 2013-04-17 | 李佳博 | Solar water heater capable of automatically descaling |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925722A (en) * | 2014-03-31 | 2014-07-16 | 蓝莹 | Solar collector with cleaning function |
| CN104096691A (en) * | 2014-07-21 | 2014-10-15 | 山东鲁班智能装备有限公司 | Steam cleaning system for photovoltaic solar power station |
| CN105689302A (en) * | 2016-03-10 | 2016-06-22 | 山东豪沃电气有限公司 | Automatic cleaning device for solar cell panels |
| CN107508546A (en) * | 2017-08-11 | 2017-12-22 | 清远市德晟嘉恒能源环保工程有限责任公司 | Photovoltaic device |
| CN109660198A (en) * | 2018-12-12 | 2019-04-19 | 耿声俊 | A kind of high-rise building solar panels being convenient to clean |
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| Publication number | Publication date |
|---|---|
| CN103307793B (en) | 2015-05-20 |
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Inventor after: Wang Xianlong Inventor after: Zheng Weikun Inventor after: Ma Weibin Inventor after: Li Huashan Inventor after: Lian Yongwang Inventor after: Bu Xianbiao Inventor after: Wang Lingbao Inventor before: Wang Xianlong Inventor before: Ma Weibin Inventor before: Meng Fanji Inventor before: Li Huashan Inventor before: Lian Yongwang Inventor before: Bu Xianbiao Inventor before: Wang Lingbao Inventor before: Yao Yuan |
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Effective date of registration: 20170425 Address after: 510640, Guangdong, Tianhe District, No. 1, Guangzhou energy road, one of the six layer (not for the use of plant) Co-patentee after: GUANGZHOU INSTITUTE OF ENERGY CONVERSION, CHINESE ACADEMY OF SCIENCES Patentee after: Guangzhou TENDY Energy Technology Co.,Ltd. Address before: Guangzhou City, Guangdong province 510640 energy road No. 2 Tianhe District Wushan Patentee before: Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences |
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