CN103151487A - Special fuser for sodium-sulfur cell module - Google Patents
Special fuser for sodium-sulfur cell module Download PDFInfo
- Publication number
- CN103151487A CN103151487A CN2013100722944A CN201310072294A CN103151487A CN 103151487 A CN103151487 A CN 103151487A CN 2013100722944 A CN2013100722944 A CN 2013100722944A CN 201310072294 A CN201310072294 A CN 201310072294A CN 103151487 A CN103151487 A CN 103151487A
- Authority
- CN
- China
- Prior art keywords
- sodium
- fuse
- contact knife
- shell
- battery module
- 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.)
- Granted
Links
Images
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a special fuser for a sodium-sulfur cell module, and belongs to the field of energy storage. The special fuser for the sodium-sulfur cell module comprises a fuse link, a quartz sand core and a shell, wherein the shell comprises a shell with two opened ends, a first contact knife and a second contact knife; the first contact knife and the second contact knife are correspondingly arranged at the both ends of the shell; the quartz sand core is arranged inside the shell; the fuse body is arranged inside the quartz sand core; the both ends of the fuse body are correspondingly fixed with the first contact knife and the second contact knife; sealing layers are respectively arranged between the quartz sand core and the first contact knife and between the quartz sand core and the second contact knife; and a gap between the shell and the first contact knife and a gap between the shell and the second contact knife are respectively sealed. The special fuser for the sodium-sulfur cell module provided by the invention has the technical effects that the fuse body inside the fuser can be effectively prevented from being corroded by sulfur steam and sodium polysulfide steam; and the service life of the fuser can be effectively prolonged.
Description
Technical field
The present invention relates to a kind of sodium-sulfur battery module special fuse in energy storage field.
Background technology
General fuse is insensitive to the response of ambient temperature, and the normal working temperature of sodium-sulfur battery module is 300 ℃-350 ℃.Under excessive temperature, sodium-sulfur battery module works on and may damage sodium-sulfur battery module.There is individual difference between each monomer sodium-sulphur battery in sodium-sulfur battery module, in long-term cyclic process, because the partial monosomy sodium-sulphur battery occurs to degenerate or is damaged, the destructive accidents such as certain branch road of sodium-sulfur battery module can be short-circuited are perhaps because certain monomer sodium-sulphur battery occurs will cause when micro-short circuit appears in inside the temperature of this sodium-sulphur battery to raise.If above-mentioned two situations are developed as one pleases, will cause the monomer sodium-sulphur battery to leak, and the fail safe accident such as initiation fire.Therefore, the sodium-sulfur battery module special fuse must guarantee to guarantee long-term circulation under rated current, guarantees 3 hours under 1.5 times of rated current constantly, guarantees 1 hour under 2.5 times of rated current constantly, fuses in second level under 4 times of rated current.Can instantaneous fusing when temperature surpasses arbitrary index that 400 ℃ or electric current surpass two kinds of situations of 4 times of rated current and reaches and cut off this branch road.Simultaneously, the incubator that is in the sulphur battery module due to fuse is inner, fuse-link in fuse easily is subject to the corrosion of the interior sulphur steam of sodium-sulphur battery incubator or sodium polysulfide steam, causes the life-span of the fuse-link in fuse to descend, and affects the stability of sodium-sulphur battery operation.
Summary of the invention
The objective of the invention is provides a kind of sodium-sulfur battery module special fuse in order to overcome the deficiencies in the prior art, and it can prevent effectively that the interior fuse-link of fuse from by sulphur steam or sodium polysulfide steam corrosion, effectively extending the useful life of fuse.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of sodium-sulfur battery module special fuse, comprise fuse-link, quartzy core and housing, described housing comprises the shell of a both ends open, and corresponding the first contact knife and the second contact knife that is positioned at described shell two ends, described quartzy core is positioned at described housing, described fuse-link is positioned at described quartz sand in-core, and the two ends of described fuse-link correspondence is fixed with described the first contact knife and described the second contact knife;
Between described quartzy core and described the first contact knife, be respectively equipped with sealant between described quartzy core and described the second contact knife, with the gap between described shell and described the first contact knife, and the gap between described shell and described the first contact knife is sealed respectively.
Further, described fuse-link is made by fine aluminium, comprises that at least four sections is the fin of the strip of connecting successively, appoints between adjacent described fin all by narrow neck connection.
Further, be equipped with through hole on the described narrow neck in every place.
Further, described fuse-link is calendering formation.
Further, described sealant is formed by inorganic gel agent condensation, contains the inorganic silicon oxygen compound in described inorganic gel agent.
Further, described inorganic gel agent is that particle diameter is less than or equal to 1000 purpose silica flours.
Further, described inorganic gel agent is sodium metasilicate.
Further, described quartzy core is formed less than or equal to 400 purpose quartz sand bondings by particle diameter, and described inorganic gel agent penetrates into described quartzy core, is filled in the gap between the described quartz sand of described quartz sand in-core.
Adopted the technical scheme of a kind of sodium-sulfur battery module special fuse of the present invention, namely between quartzy core and described the first contact knife, be respectively equipped with sealant between described quartzy core and described the second contact knife, with the gap between described shell and described the first contact knife, and the technical scheme of sealing respectively of the gap between described shell and described the first contact knife.Its technique effect is: can prevent effectively that the interior fuse-link of fuse from by sulphur steam or sodium polysulfide steam corrosion, effectively extending the useful life of fuse.
Description of drawings
Fig. 1 is the structural representation of a kind of sodium-sulfur battery module special fuse of the present invention.
Fig. 2 is the structural representation of fuse-link in a kind of sodium-sulfur battery module special fuse of the present invention.
Embodiment
See also Fig. 1 and Fig. 2, the present inventor be in order to understand technical scheme of the present invention better, below by embodiment particularly, and is described in detail by reference to the accompanying drawings:
See also Fig. 1, a kind of sodium-sulfur battery module special fuse of the present invention comprises fuse-link 1, quartzy core 2 and housing 3.Housing 3 is that the shell 33 by the first contact knife 31, the second contact knife 32 and both ends open surrounds.Quartzy core 2 is positioned at housing 3, and fuse-link 1 is positioned at quartzy core 2, and the two ends of fuse-link 1 are fixed with the first contact knife 31, the second contact knife 32 respectively.
See also Fig. 2, fuse-link 1 is made by fine aluminium, and fuse-link 1 is that the fin 11 of at least four segment length's bar shapeds is in series successively, all connects by narrow neck 12 between any two sections adjacent fin 11.Be that fuse-link 1 comprises the narrow neck 12 of at least four sections fin 11 and at least three places.
Fuse-link 1 selects the reason of fine aluminium to be: the first, and fine aluminium has guaranteed the durability of sodium-sulfur battery module special fuse than copper or the silver-colored corrosion that more can bear sulphur steam or sodium polysulfide steam.The second, the fusing point of fine aluminium lower than silver and copper more near 400 ℃; The 3rd, the hardness of aluminium is low, and ductility is good, and difficulty of processing is low.
When the temperature of sodium-sulphur battery surpasses arbitrary index that 400 ℃ or electric current surpass two kinds of situations of four times of rated current and reaches, the narrow neck 12 at least one place of fuse-link 1 can instantaneous fusing and is cut off the branch road at fuse-link 1 place, prevent that the monomer sodium-sulphur battery in sodium-sulfur battery module from damaging or leaking because of excess Temperature, guarantee the operation safely of whole sodium-sulfur battery module.
The reason that fuse-link 1 is provided with the narrow neck 12 of at least four sections fin 11 and at least three places is: reduce fuse-link when temperature surpasses arbitrary index that 400 ℃ or electric current surpass two kinds of situations of four times of rated current and reaches, respond probability malfunctioning and can't instantaneous fusing, further guarantee the operation with security and stability of whole sodium-sulfur battery module.
Simultaneously, all be provided with through hole 13 on the narrow neck 12 in every place of fuse-link 1, the purpose of design is like this: the area of section that reduces narrow neck 12, when temperature surpasses arbitrary index that 400 ℃ or electric current surpass two kinds of situations of four times of rated current and reaches, promote the speed of response of fuse-link 1, shorten any narrow 12 needed times of fusing of neck of place on fuse-link 1, guarantee the operation safely of whole sodium-sulfur battery module.The another one effect of through hole 13 is to be convenient to fuse-link 1 is fixed in quartzy core 2.
Fuse-link 1 is the mode machine-shaping of adopting calendering formation, the purpose of design is like this: calendering formation is little to the destruction of fine aluminium, the surface of fine aluminium can not produce the defectives such as micro-crack, fuse-link 1 can guarantee can circulate for a long time and not fuse under 350 ℃ and rated current, assurance did not fuse in 3 hours under 1.5 times of rated current, 2.5 doubly rated current did not fuse in lower 1 hour, only fuse in second level under 4 times of rated current, reduce the generation of fuse-link 1 mistake fusing, guarantee the stability of the operation of whole sodium-sulfur battery module.
between the first contact knife 31 and quartzy core 2, and second be fixed with respectively sealant 4 between contact knife 32 and quartzy core 2, with the gap between the first contact knife 31 and shell 33, and the second gap sealing between contact knife 32 and shell 33, prevent that effectively sulphur steam and sodium polysulfide steam are from the gap between the first contact knife 31 and shell 33, and second gap between contact knife 32 and shell 33 infiltrate the sodium-sulphur battery special fuse, further infiltrate again quartzy core 2, fuse-link 1 is produced corrosion, cause the life-span of fuse to descend, simultaneously quartzy core 2 is fixed in housing 3.
Select the inorganic gel agent that contains the inorganic silicon oxygen compound in the present invention, think that its condensing temperature is low on the one hand, namely condensable below 150 ℃, contain the inorganic gel agent of inorganic silicon oxygen compound at the high temperature that can bear after condensation more than 1000 ℃, to guarantee the safe operation of sodium-sulfur battery module
Below, by specific embodiment, the manufacturing process of sodium-sulfur battery module special fuse is further detailed:
Core forming step: particle diameter is inserted both ends open less than or equal to 400 purpose quartz sands and is equipped with in the shell 33 of fuse-link 1, add appropriate absolute ethyl alcohol, and vibration shell 33, shake up and suppress the quartz sand in shell 33 closely knit, then, shell 33 is heated under gas lamp or alcolhol burner, except the absolute ethyl alcohol in decapsidate 33.Making the quartz sand molding bonded in shell 33 is quartzy core 2.Adding absolute ethyl alcohol in the core forming process is 5%～8% of quartz sand quality.
The inorganic gel agent forms step: select particle diameter less than or equal to 1000 purpose silica flours as the inorganic gel agent, silica flour belongs to a kind of unformed silicon dioxide.Less than or equal to 1000 purpose silica flours, add absolute ethyl alcohol fully to dissolve particle diameter, at room temperature prepare silica flour/absolute ethyl alcohol saturated solution as the inorganic gel agent solution.The shell 33 of fuse and quartzy core 2 are immersed together take out after soaking for 5 seconds in silica flour/absolute ethyl alcohol saturated solution.Because the two ends of shell 33 are openings, so silica flour/absolute ethyl alcohol saturated solution infiltrates the inside of quartzy core 2 and sticks on the end face at quartzy core 2 two ends from the two ends of quartzy core 2.Then, the shell 33 that quartzy core 2 is housed being put into temperature is the baking oven rapid draing 1 hour of 80 ℃.Stick to silica flour on the end face at quartzy core 2 two ends/absolute ethyl alcohol saturated solution, condensation becomes sealant 4.The general temperature range of room temperature is 18～25 ℃.The shell 33 that quartzy core 2 is housed is carried out dry temperature should be greater than 2 to 10 ℃ of the boiling points of solvent absolute ethyl alcohol.
After infiltrating silica flour in quartzy core 2/absolute ethyl alcohol saturated solution drying, silica flour is as reinforcing agent, strengthens adhesion strength between quartz sand in quartzy core 2 by the silicon oxygen bond between silica flour and quartz sand, guarantees the mechanical strength of quartzy core 2.Simultaneously, after infiltrating the interior silica flour of quartzy core 2/absolute ethyl alcohol saturated solution drying, silica flour fills as filler the gap that enters between the interior quartz sand of quartz sand core 2, reduces the porosity of quartzy core 2, improves the compactness of quartzy core 2.Prevent that fuse-link 1 from directly contacting with extraneous active sulfur steam or sodium polysulfide steam, further extends the useful life of fuse.
Select particle diameter to be less than or equal to the purpose of 1000 purposes: the particle diameter of silica flour is less, more is conducive to its dissolving in absolute ethyl alcohol.
Installation steps, the two ends of fuse-link 1 are by welding procedure, fixing with the first contact knife 31 and the second contact knife 32 accordingly, and the first contact knife 31 and the second contact knife 32 are fixing with sealant 4 bondings that adhere to quartzy core 2 two ends accordingly, obtain fuse
Core forming step: particle diameter is inserted both ends open less than or equal to 400 purpose quartz sands and is equipped with in the shell 33 of fuse-link 1, add appropriate absolute ethyl alcohol, and vibration shell 33, shake up and suppress the quartz sand in shell 33 closely knit, then, shell 33 is heated under gas lamp or alcolhol burner, except the absolute ethyl alcohol in decapsidate 33.Making the quartz sand molding bonded in shell 33 is quartzy core 2.Adding absolute ethyl alcohol in the core forming process is 5%～8% of quartz sand quality.
The inorganic gel agent forms step: select sodium metasilicate as the inorganic gel agent, add deionized water fully to dissolve sodium metasilicate, the prepare silicon acid sodium aqueous solution.The mass percent concentration of sodium silicate aqueous solution is 3～8wt.%.Shell 33 and quartzy core 2 are immersed together take out after soaking for 5 seconds in sodium silicate aqueous solution.Because the two ends of housing 33 are openings, so in sodium silicate aqueous solution, the two ends from quartzy core 2 are infiltrated the inside of quartzy core 2 and stick on the end face at quartzy core 2 two ends.Then, the housing 33 that quartzy core 2 is housed being put into temperature is the baking oven rapid draing 1 hour of 105～120 ℃.Stick to the sodium silicate aqueous solution on the end face at quartzy core 2 two ends, condensation becomes sealant 4.
Infiltrate in the sodium silicate aqueous solution in quartzy core 2 after drying, sodium metasilicate is as reinforcing agent, strengthens adhesion strength between quartz sand in quartzy core 2 by the silicon oxygen bond between sodium metasilicate and quartz sand, guarantees the mechanical strength of quartzy core 2.Simultaneously, after infiltrating the sodium silicate aqueous solution drying in quartzy core 2, sodium metasilicate fills as filler the gap that enters between the interior quartz sand of quartz sand core 2, reduces the porosity of quartzy core 2, improves the compactness of quartzy core 2.Prevent that fuse-link 1 from directly contacting with extraneous active sulfur steam or sodium polysulfide steam, further extends the useful life of fuse.
Installation steps, the two ends of fuse-link 1 are by welding procedure, fixing with the first contact knife 31 and the second contact knife 32 accordingly, and the first contact knife 31 and the second contact knife 32 are fixing with sealant 4 bondings that adhere to quartzy core 2 two ends accordingly, obtain fuse.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (8)
1. sodium-sulfur battery module special fuse, comprise fuse-link (1), quartzy core (2) and housing (3), described housing (3) comprises the shell (33) of a both ends open, and correspondence is positioned at the first contact knife (31) and second contact knife (32) at described shell (33) two ends, described quartzy core (2) is positioned at described housing (3), described fuse-link (1) is positioned at described quartzy core (2), and the two ends of described fuse-link (1) are corresponding fixing with described the first contact knife (31) and described the second contact knife (32); It is characterized in that:
Between described quartzy core (1) and described the first contact knife (31), be respectively equipped with sealant (4) between described quartzy core (1) and described the second contact knife (32), with the gap between described shell (33) and described the first contact knife (31), and between described shell (33) and described the second contact knife (32) between gap seal respectively.
2. a kind of sodium-sulfur battery module special fuse according to claim 1, it is characterized in that: described fuse-link (1) is made by fine aluminium, comprise at least four sections fin (11) of the strip of series connection successively, appoint between adjacent described fin (11) all to connect by narrow neck (12).
3. a kind of sodium-sulfur battery module special fuse according to claim 2, is characterized in that: be equipped with through hole (13) on the described narrow neck in every place (12).
4. according to claim 2 or 3 described a kind of sodium-sulfur battery module special fuses, it is characterized in that: described fuse-link (1) is calendering formation.
5. the described a kind of sodium-sulfur battery module special fuse of any one according to claim 1 to 3, it is characterized in that: described sealant (4) is formed by inorganic gel agent condensation, contains the inorganic silicon oxygen compound in described gelling agent.
6. a kind of sodium-sulfur battery module special fuse according to claim 5, it is characterized in that: described inorganic gel agent is that particle diameter is less than or equal to 1000 purpose silica flours.
7. a kind of sodium-sulfur battery module special fuse according to claim 5, it is characterized in that: described inorganic gel agent is sodium metasilicate.
8. a kind of sodium-sulfur battery module special fuse according to claim 5, it is characterized in that: described quartzy core (1) is formed less than or equal to 400 purpose quartz sand bondings by particle diameter, described quartzy core (2) is infiltrated in described inorganic gel agent, is filled in the gap between the interior described quartz sand of described quartzy core (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310072294.4A CN103151487B (en) | 2013-03-07 | 2013-03-07 | A kind of special fuser for sodium-sulfur cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310072294.4A CN103151487B (en) | 2013-03-07 | 2013-03-07 | A kind of special fuser for sodium-sulfur cell module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103151487A true CN103151487A (en) | 2013-06-12 |
| CN103151487B CN103151487B (en) | 2015-09-23 |
Family
ID=48549438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310072294.4A Active CN103151487B (en) | 2013-03-07 | 2013-03-07 | A kind of special fuser for sodium-sulfur cell module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103151487B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647113A (en) * | 2013-12-25 | 2014-03-19 | 国网上海市电力公司 | Main power supply wire extraction structure of energy-storage sodium-sulfur battery module |
| CN104319193A (en) * | 2014-10-17 | 2015-01-28 | 东莞市博钺电子有限公司 | High-speed fuse production process |
| CN104485262A (en) * | 2014-12-19 | 2015-04-01 | 上海电器陶瓷厂有限公司 | Rapid curing process for quartz sand for low-voltage fuse-link |
| CN111146045A (en) * | 2019-12-26 | 2020-05-12 | 四川天微电子有限责任公司 | Processing technology of high-reliability small high-voltage tubular fuse |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4460887A (en) * | 1981-03-19 | 1984-07-17 | Littelfuse, Inc. | Electrical fuse |
| CN201332079Y (en) * | 2009-01-08 | 2009-10-21 | 上海电器陶瓷厂有限公司 | Full-range quick fuse |
| CN102142584A (en) * | 2011-01-27 | 2011-08-03 | 中国科学院上海硅酸盐研究所 | Energy storage sodium-sulfur battery module with high safe protection design |
| CN203103390U (en) * | 2013-03-07 | 2013-07-31 | 上海电气钠硫储能技术有限公司 | Special fuse for sodium-sulfur cell module |
-
2013
- 2013-03-07 CN CN201310072294.4A patent/CN103151487B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4460887A (en) * | 1981-03-19 | 1984-07-17 | Littelfuse, Inc. | Electrical fuse |
| CN201332079Y (en) * | 2009-01-08 | 2009-10-21 | 上海电器陶瓷厂有限公司 | Full-range quick fuse |
| CN102142584A (en) * | 2011-01-27 | 2011-08-03 | 中国科学院上海硅酸盐研究所 | Energy storage sodium-sulfur battery module with high safe protection design |
| CN203103390U (en) * | 2013-03-07 | 2013-07-31 | 上海电气钠硫储能技术有限公司 | Special fuse for sodium-sulfur cell module |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647113A (en) * | 2013-12-25 | 2014-03-19 | 国网上海市电力公司 | Main power supply wire extraction structure of energy-storage sodium-sulfur battery module |
| CN103647113B (en) * | 2013-12-25 | 2015-08-26 | 国网上海市电力公司 | A kind of main power line deriving structure of energy storage sodium sulfur battery module |
| CN104319193A (en) * | 2014-10-17 | 2015-01-28 | 东莞市博钺电子有限公司 | High-speed fuse production process |
| CN104319193B (en) * | 2014-10-17 | 2016-03-30 | 东莞市博钺电子有限公司 | Fast acting fuse production technology |
| CN104485262A (en) * | 2014-12-19 | 2015-04-01 | 上海电器陶瓷厂有限公司 | Rapid curing process for quartz sand for low-voltage fuse-link |
| CN111146045A (en) * | 2019-12-26 | 2020-05-12 | 四川天微电子有限责任公司 | Processing technology of high-reliability small high-voltage tubular fuse |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103151487B (en) | 2015-09-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103151487A (en) | Special fuser for sodium-sulfur cell module | |
| JP5991319B2 (en) | Method for manufacturing molten salt battery and molten salt battery | |
| CN203103390U (en) | Special fuse for sodium-sulfur cell module | |
| CN105393402A (en) | Secondary battery abnormality warning system | |
| CN103545154A (en) | Fuse protector | |
| CN103296334B (en) | Sodium-sulfur battery module | |
| CN208171468U (en) | A kind of cable type temperature sensor | |
| CN100397553C (en) | Foil sealing lamp | |
| CN210668251U (en) | Full-short-circuit low-temperature fusing explosion-proof safety resistor | |
| JP5254452B2 (en) | ELECTRODE FOR DISCHARGE LAMP AND DISCHARGE LAMP AND METHOD FOR PRODUCING ELECTRODE | |
| CN205355093U (en) | Sealing insulator for lithium batteries | |
| CN103337565A (en) | A high-temperature strong acid groove used for an LED chip sidewall corrosion technique | |
| CN203103391U (en) | Fuse link of special fuse for sodium-sulfur cell module | |
| CN103198982B (en) | Inorganic gelling agent for fuse for sodium-sulfur cell module and preparation technology thereof | |
| CN103165853A (en) | Fuse link of fuse used for sodium-sulphur battery module | |
| CN203166038U (en) | Sodium-sulphur battery module | |
| CN207398057U (en) | Glass tube fuse | |
| CN105006529A (en) | Sealed battery pack | |
| KR101268490B1 (en) | Sealing member and manufacturing method of it | |
| CN202662457U (en) | Aluminum electrolytic capacitor with built-in bimetal thermal bridge | |
| CN218939583U (en) | Novel explosion-proof fuse | |
| CN202996996U (en) | Sodium storing tube of sodium-sulfur battery | |
| CN205248006U (en) | Super resistant dirty clavate epoxy glass fiber core porcelain insulator for electronic railway connecting net | |
| CN103123987B (en) | Sodium storage tube of sodium-sulfur battery | |
| CN216084855U (en) | High-current power device shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200903 Address after: Room 1201, no.1346 Gonghe Xin Road, Jing'an District, Shanghai 200070 Patentee after: Shanghai Electric Enterprise Development Co., Ltd Address before: 201815 Shanghai Jiading District City Jia Zhu Road No. 1997 Patentee before: SHANGHAI ELECTRIC SODIUM SULFUR ENERGY STORAGE TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |