CN113097605A - Battery energy storage system - Google Patents
Battery energy storage system Download PDFInfo
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- CN113097605A CN113097605A CN202110352026.2A CN202110352026A CN113097605A CN 113097605 A CN113097605 A CN 113097605A CN 202110352026 A CN202110352026 A CN 202110352026A CN 113097605 A CN113097605 A CN 113097605A
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- battery
- output
- pipeline
- input
- energy storage
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- 238000004146 energy storage Methods 0.000 title claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000009825 accumulation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 16
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of energy storage, in particular to a battery energy storage system. The battery energy storage system comprises a battery system and a liquid cooling assembly, wherein the battery system comprises a plurality of battery clusters arranged side by side, a circulation channel is arranged on each battery cluster, the liquid cooling assembly comprises an input pipeline, an output pipeline and an exhaust valve, two ends of the circulation channel are respectively communicated with the input pipeline and the output pipeline, the output pipeline is higher than the input pipeline, the output pipeline is obliquely arranged along the height direction, and the exhaust valve is arranged at the highest end of the output pipeline. The arrangement mode enables bubbles in the pipeline to rise all the time in the circulation process, the bubble accumulation phenomenon in the pipeline can be avoided only by arranging the exhaust valve at the highest point of the output pipeline, the cost of the battery energy storage system is reduced, the hydromechanical logic is more met, and the system heat dissipation is more facilitated.
Description
Technical Field
The invention relates to the technical field of energy storage, in particular to a battery energy storage system.
Background
The battery cluster among the battery energy storage system can produce certain heat at the working process, and in order to guarantee the normal work of battery cluster, current battery energy storage system is provided with the liquid cooling subassembly usually, and the liquid cooling subassembly passes through the pipeline and carries out cooling for the battery cluster. Because bubble piles up easily taking place in the pipeline, greatly reduced the cooling effect of liquid cooling subassembly. In order to ensure the cooling effect of the liquid cooling assembly, an exhaust valve is usually arranged in the pipeline, and bubbles in the liquid cooling pipeline are exhausted through the exhaust valve. However, input pipeline and output pipeline in the current liquid cooling subassembly all set up the bottom at the battery cluster, in addition be provided with the battery cluster that the multiunit set up side by side in the battery system, input pipeline need flow in each battery cluster, in order to avoid the bubble to pile up in wherein certain group battery cluster takes place the bubble, need all set up discharge valve at the top that input pipeline flowed in every group battery cluster, take place the bubble pile up phenomenon in the pipeline at every group battery cluster top when avoiding the bubble to rise in the pipeline, thereby battery energy storage system's cost has been increased.
Disclosure of Invention
The invention aims to provide a battery energy storage system, which not only reduces bubble accumulation in a pipeline, but also reduces the number of exhaust valves, reduces the cost of the battery energy storage system and is more beneficial to system heat dissipation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a battery energy storage system comprising:
the battery system comprises a plurality of battery clusters arranged side by side, wherein a circulation channel is arranged on each battery cluster; and
liquid cooling subassembly, including input pipeline, output pipeline and discharge valve, the both ends of circulation passageway respectively with input pipeline and the output pipeline is linked together, output pipeline's the position that sets up is higher than input pipeline, output pipeline sets up along direction of height slope, output pipeline's highest end is provided with discharge valve.
Preferably, the input pipeline is arranged at the bottom of the battery cluster, and the output pipeline is arranged at the top of the battery cluster.
Preferably, the input pipeline includes an input header pipe and a plurality of input branch pipes, the input header pipe is located at the bottom of the battery cluster, one end of each input branch pipe is communicated with the input header pipe, and the other end of each input branch pipe is respectively communicated with the corresponding flow channel.
Preferably, the output pipeline includes an output header pipe and a plurality of output branch pipes, the output header pipe is located at the top of the battery cluster and is arranged in an inclined manner along the height direction, the exhaust valve is arranged at the highest end of the output header pipe, one end of each output branch pipe is communicated with the output header pipe, and the other end of each output branch pipe is communicated with the corresponding flow channel.
Preferably, the battery cluster comprises a plurality of battery modules which are vertically arranged, the circulation channel is arranged on each battery module and comprises a water inlet pipe, an internal channel and a water outlet pipe which are sequentially communicated, the internal channel is arranged in each battery module, the water inlet pipe on each battery module is communicated with the input branch pipe, and the water outlet pipe on each battery module is communicated with the output branch pipe.
Preferably, the highest point of the input branch pipe is lower than the water inlet pipe on the highest layer of the battery module.
Preferably, the internal channel is a serpentine channel.
As a preferred scheme, the liquid cooling assembly further comprises:
and the switch valves are arranged between each input branch pipe and the input main pipe and between each output branch pipe and the output main pipe.
Preferably, the on-off valve is a throttle valve.
Preferably, the liquid cooling medium introduced into the flow passage is cooling water or a mixture of the cooling water and ethylene glycol.
Preferably, the battery energy storage system further includes:
the battery system and the liquid cooling assembly are located in the box body.
The invention has the beneficial effects that:
the invention provides a battery energy storage system, wherein the arrangement position of an output pipeline is higher than that of an input pipeline, and the output pipeline is obliquely arranged along the height direction, so that bubbles in the pipeline rise all the time in the circulation process until the bubbles are accumulated at the highest end of the output pipeline, the accumulated bubbles are discharged through an exhaust valve, the bubble accumulation phenomenon in the whole pipeline can be avoided only by arranging the exhaust valve at the highest point of the output pipeline, the cooling effect of a liquid cooling assembly is ensured, and the cost of the battery energy storage system is reduced. In addition, the setting position of the output pipeline is higher than that of the input pipeline, and the setting mode accords with fluid mechanics logic better and is more beneficial to system heat dissipation.
Drawings
Fig. 1 is a schematic structural diagram of a battery energy storage system according to an embodiment of the invention;
fig. 2 is a second schematic structural diagram of a battery energy storage system according to an embodiment of the invention;
fig. 3 is a partial enlarged view of a portion a in fig. 2.
In the figure:
1. a box body;
2. a battery system; 21. a battery cluster; 211. a battery module; 2111. a flow-through channel; 21111. a water inlet pipe; 21112. a water outlet pipe;
3. a liquid cooling assembly; 31. an input pipe; 311. an input header pipe; 312. inputting a branch pipe; 32. an output pipe; 321. an output header pipe; 322. an output branch pipe; 33. an exhaust valve; 34. and (4) switching on and off the valve.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1 to 2, the present embodiment provides a battery energy storage system, which is mainly used for converting and storing electric energy, and includes a box 1 and a battery system 2, the battery system 2 is placed inside the box 1, the box 1 has a certain protection and support effect on the battery system 2, and the battery system 2 is mainly used for storing electric energy.
In order to ensure the normal operation of the battery system 2, the conventional battery energy storage system is generally provided with a liquid cooling assembly 3, and the liquid cooling assembly 3 cools the battery system 2 through a pipeline. Specifically, as shown in fig. 1-2, the battery system 2 includes a plurality of battery clusters 21 arranged side by side, each group of battery clusters 21 is provided with a circulation channel 2111, the liquid cooling assembly 3 can flow into the circulation channel 2111 of each battery cluster 21 through a pipeline, and does not need to circulate in sequence, so that the phenomenon of poor cooling effect of the battery clusters 21 circulating afterwards is avoided, thereby ensuring the cooling effect of each battery cluster 21 and enabling the cooling between each battery cluster 21 to be uniform.
However, input pipeline and output pipeline in the current liquid cooling subassembly all set up the bottom at the battery cluster, in addition be provided with the battery cluster that the multiunit set up side by side in the battery system, input pipeline need flow in each battery cluster, in order to avoid the bubble to pile up in wherein certain group battery cluster takes place the bubble, need all set up discharge valve at the top that input pipeline flowed in every group battery cluster, take place the bubble pile up the phenomenon in the pipeline at every group battery cluster top when avoiding the bubble to rise in the pipeline, thereby battery energy storage system's cost has been increased.
In order to solve the above problem, as shown in fig. 1 to 2, the liquid cooling module 3 of the present embodiment includes an input pipe 31, an output pipe 32, and an exhaust valve 33, wherein two ends of the flow channel 2111 are respectively communicated with the input pipe 31 and the output pipe 32, the output pipe 32 is disposed higher than the input pipe 31, the output pipe 32 is disposed obliquely in the height direction, and the exhaust valve 33 is disposed at the highest end of the output pipe 32. This setting mode makes the bubble that is arranged in the pipeline rise all the time at the circulation in-process, and up to piling up at the top end of output pipeline 32, the accumulational bubble of this place passes through discharge valve 33 and discharges, only through set up discharge valve 33 alright avoid taking place the bubble in whole pipeline and pile up the phenomenon at the top of output pipeline 32, guarantees the cooling effect of liquid cooling subassembly 3, has reduced discharge valve 33's use quantity, has reduced battery energy storage system's cost. In addition, the arrangement position of the output pipeline 32 is higher than that of the input pipeline 31, so that the arrangement mode is more consistent with fluid mechanics logic and more beneficial to system heat dissipation.
Preferably, as shown in fig. 1 to fig. 2, the input pipe 31 is disposed at the bottom of the battery cluster 21, and the output pipe 32 is disposed at the top of the battery cluster 21, which further increases the height difference between the input pipe 31 and the output pipe 32, and is more beneficial for the bubbles in the pipes to rise all the time in the circulation process until the highest point of the output pipe 32, so as to avoid accumulation of the bubbles in the circulation process, thereby ensuring the heat dissipation effect of the liquid cooling assembly 3.
Specifically, as shown in fig. 2, the input pipe 31 includes an input header pipe 311 and a plurality of input branch pipes 312, the input header pipe 311 is located at the bottom of the cell cluster 21, one end of each of the input branch pipes 312 communicates with the input header pipe 311, and the other end of each of the input branch pipes 312 communicates with the corresponding flow-through channel 2111. The outlet duct 32 includes an outlet header pipe 321 and a plurality of outlet branch pipes 322, the outlet header pipe 321 is located at the top of the battery pack 21 and is disposed to be inclined in the height direction, the exhaust valve 33 is disposed at the highest end of the outlet header pipe 321, one end of each outlet branch pipe 322 is communicated with the outlet header pipe 321, and the other end of each outlet branch pipe 322 is communicated with the corresponding flow channel 2111. Therefore, the circulation channels 2111 on each group of battery clusters 21 can realize the circulation flow of the cooling medium through the corresponding input branch pipe 312 and output branch pipe 322, and the uniform cooling among the battery clusters 21 is ensured.
In this embodiment, as shown in fig. 2, the battery cluster 21 includes a plurality of battery modules 211 arranged up and down, each battery module 211 is provided with a circulation channel 2111, the circulation channel 2111 includes a water inlet pipe 21111 communicated in sequence, an internal channel and a water outlet pipe 21112, the internal channel has been seted up inside the battery module 211, the water inlet pipe 21111 on each battery module 211 is communicated with the input branch pipe 312, the water outlet pipe 21112 on each battery module 211 is communicated with the output branch pipe 322, thereby ensuring uniform cooling between each battery module 211, avoiding temperature difference between each battery module 211, and improving the cooling effect of the whole battery system 2.
Preferably, as shown in fig. 3, the highest point of each of the input branch pipes 312 is lower than the water inlet pipe 21111 of the highest-level battery module 211, so that bubbles are prevented from accumulating at the highest point of the input branch pipe 312, the cooling effect of the highest-level battery module 211 is reduced, and bubbles in the pipeline are ensured to move to the highest end of the output header pipe 321 along with the ascending of the pipeline and then are discharged through the exhaust valve 33 therein.
In order to further improve the cooling effect of the liquid cooling assembly 3 on each battery module 211, the internal passage formed inside the battery module 211 is a serpentine passage, so that the flow area of the internal passage in the battery module 211 is increased, and the cooling effect on the battery module 211 is enhanced.
In addition, as shown in fig. 1 to 2, the liquid cooling module 3 further includes switch valves 34, and the switch valves 34 are respectively disposed between each of the input branch pipes 312 and the input header pipe 311 and between each of the output branch pipes 322 and the output header pipe 321, so that when a certain group of the battery clusters 21 fails or does not need to be cooled, the branch pipes and the header pipes communicated with the battery clusters 21 are cut off, thereby preventing the battery clusters 21 from being unnecessarily cooled and avoiding waste of data.
Preferably, the on-off valve 34 provided in this embodiment is a throttle valve, and the on-off valve 34 is designed as a throttle valve, which not only has the above-mentioned effects, but also can solve the problem of uneven flow of the near end and the far end of the battery cluster 21 in the battery system 2 by adjusting the flow of the cooling medium, so as to ensure the flow balance between the battery clusters 21 arranged in parallel.
Further, the cooling medium introduced into the flow passage 2111 may be cooling water, which has a good heat dissipation effect and is low in cost. In other embodiments, the cooling medium introduced into the flow passage 2111 may also be a mixture of cooling water and ethylene glycol, and the cooling effect of the cooling medium is better.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (11)
1. A battery energy storage system, comprising:
the battery system (2) comprises a plurality of battery clusters (21) arranged side by side, wherein a circulation channel (2111) is arranged on each battery cluster (21); and
liquid cooling subassembly (3), including input pipeline (31), output pipeline (32) and discharge valve (33), the both ends of circulation passageway (2111) respectively with input pipeline (31) and output pipeline (32) are linked together, the position that sets up of output pipeline (32) is higher than input pipeline (31), output pipeline (32) set up along the direction of height slope, the highest end of output pipeline (32) is provided with discharge valve (33).
2. Battery energy storage system according to claim 1, characterized in that the input duct (31) is arranged at the bottom of the battery cluster (21) and the output duct (32) is arranged at the top of the battery cluster (21).
3. The battery energy storage system according to claim 2, wherein the input pipeline (31) comprises an input header pipe (311) and a plurality of input branch pipes (312), the input header pipe (311) is positioned at the bottom of the battery cluster (21), one end of each input branch pipe (312) is communicated with the input header pipe (311), and the other end of each input branch pipe (312) is communicated with the corresponding flow channel (2111).
4. The battery energy storage system according to claim 3, wherein the output pipeline (32) comprises an output header pipe (321) and a plurality of output branch pipes (322), the output header pipe (321) is positioned at the top of the battery cluster (21) and is arranged obliquely along the height direction, the exhaust valve (33) is arranged at the highest end of the output header pipe (321), one end of each output branch pipe (322) is communicated with the output header pipe (321), and the other end of each output branch pipe (322) is communicated with the corresponding flow channel (2111).
5. The battery energy storage system according to claim 4, wherein the battery cluster (21) comprises a plurality of battery modules (211) arranged up and down, each battery module (211) is provided with the circulation channel (2111), the circulation channel (2111) comprises a water inlet pipe (21111), an internal channel and a water outlet pipe (21112) which are sequentially communicated, the internal channel is opened inside the battery module (211), the water inlet pipe (21111) on each battery module (211) is communicated with the input branch pipe (312), and the water outlet pipe (21112) on each battery module (211) is communicated with the output branch pipe (322).
6. The battery energy storage system of claim 5, wherein the highest point of the input branch pipe (312) is lower than the inlet pipe (21111) on the highest layer of the battery modules (211).
7. The battery energy storage system of claim 5, wherein the internal channel is a serpentine channel.
8. The battery energy storage system of claim 4, wherein the liquid cooled assembly (3) further comprises:
and the switch valves (34) are arranged between each input branch pipe (312) and the input header pipe (311) and between each output branch pipe (322) and the output header pipe (321).
9. The battery energy storage system of claim 8, wherein the on-off valve (34) is a throttle valve.
10. The battery energy storage system of claim 1, wherein the liquid cooling medium introduced into the flow channel (2111) is cooling water or a mixture of cooling water and glycol.
11. The battery energy storage system of claim 1, further comprising:
the liquid cooling device comprises a box body (1), wherein the battery system (2) and the liquid cooling assembly (3) are located in the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110352026.2A CN113097605A (en) | 2021-03-31 | 2021-03-31 | Battery energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110352026.2A CN113097605A (en) | 2021-03-31 | 2021-03-31 | Battery energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113097605A true CN113097605A (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110352026.2A Pending CN113097605A (en) | 2021-03-31 | 2021-03-31 | Battery energy storage system |
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| Country | Link |
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| CN (1) | CN113097605A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023216775A1 (en) * | 2022-05-12 | 2023-11-16 | 江苏天合储能有限公司 | Liquid cooling pipeline and liquid cooling system for energy storage system, and energy storage apparatus |
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| US20160204478A1 (en) * | 2013-09-06 | 2016-07-14 | Nissan Motor Co., Ltd. | Battery pack cooling system |
| KR20160140478A (en) * | 2015-05-27 | 2016-12-07 | 티에스 주식회사 | Battery pack and battery cooling system |
| CN107946696A (en) * | 2017-12-26 | 2018-04-20 | 山东大学 | A kind of automobile power cell group temperature control device based on liquid medium |
| CN109841920A (en) * | 2019-03-07 | 2019-06-04 | 肇庆遨优动力电池有限公司 | Battery pack radiator structure |
| CN210110991U (en) * | 2019-06-26 | 2020-02-21 | 比亚迪股份有限公司 | Battery heat exchange structure, power supply device with same and vehicle |
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2021
- 2021-03-31 CN CN202110352026.2A patent/CN113097605A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160204478A1 (en) * | 2013-09-06 | 2016-07-14 | Nissan Motor Co., Ltd. | Battery pack cooling system |
| CN104466299A (en) * | 2014-12-02 | 2015-03-25 | 重庆长安汽车股份有限公司 | Medium hybrid automobile and power battery thermal management system thereof |
| KR20160140478A (en) * | 2015-05-27 | 2016-12-07 | 티에스 주식회사 | Battery pack and battery cooling system |
| CN107946696A (en) * | 2017-12-26 | 2018-04-20 | 山东大学 | A kind of automobile power cell group temperature control device based on liquid medium |
| CN109841920A (en) * | 2019-03-07 | 2019-06-04 | 肇庆遨优动力电池有限公司 | Battery pack radiator structure |
| CN210110991U (en) * | 2019-06-26 | 2020-02-21 | 比亚迪股份有限公司 | Battery heat exchange structure, power supply device with same and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023216775A1 (en) * | 2022-05-12 | 2023-11-16 | 江苏天合储能有限公司 | Liquid cooling pipeline and liquid cooling system for energy storage system, and energy storage apparatus |
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| CB02 | Change of applicant information |
Address after: 230088 Mingchuan Road 788, Baiyan Science Park, Hefei High-tech Zone, Anhui Province Applicant after: Sunshine Energy Storage Technology Co.,Ltd. Address before: 230088 Mingchuan Road 788, Baiyan Science Park, Hefei High-tech Zone, Anhui Province Applicant before: Sunshine Samsung (Hefei) Energy Storage Power Supply Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210709 |
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| RJ01 | Rejection of invention patent application after publication |