CN103490101A - Method for injecting sodium into positive electrode of sodium-sulfur battery - Google Patents
Method for injecting sodium into positive electrode of sodium-sulfur battery Download PDFInfo
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- CN103490101A CN103490101A CN201310485375.7A CN201310485375A CN103490101A CN 103490101 A CN103490101 A CN 103490101A CN 201310485375 A CN201310485375 A CN 201310485375A CN 103490101 A CN103490101 A CN 103490101A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
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- 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
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
- H01M10/39—Accumulators not provided for in groups H01M10/05-H01M10/34 working at high temperature
- H01M10/3909—Sodium-sulfur cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
- H01M50/627—Filling ports
- H01M50/636—Closing or sealing filling ports, e.g. using lids
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- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a method for injecting sodium into a positive electrode of a sodium-sulfur battery, in the field of chemical energy storage. The method comprises a step of sealing the bottom of a sodium storage tube, i.e., sealing a through hole in the bottom of the sodium storage tube by organic glue of which the melting point is higher than or equal to 200 DEG C, and the method also comprises the following steps performed under protection of inert gas atmosphere: solid sodium melting, i.e., melting solid sodium into liquid sodium at the temperature of 120-150 DEG C; sodium storage tube preheating, i.e., preheating the sodium storage tube to 70-120 DEG C; sodium injection, i.e., injecting the liquid sodium obtained from the step of solid sodium melting into the sodium storage tube preheated in the step of sodium storage tube preheating; cooling, i.e., cooling the sodium storage tube filled with the liquid sodium, to solidify the liquid sodium in the sodium storage tube into solid sodium; sealing, i.e., covering the top surface of the sodium storage tube with a negative sealing cover, and fixing the sodium storage tube to the negative sealing cover by laser welding. The method has the technical effects of being high in sodium injecting efficiency and suitable for large-scale production, and causing no damage to electrolyte ceramic tubes.
Description
Technical field
A kind of sodium-sulphur battery negative pole that the present invention relates to the chemical energy storage field is annotated the sodium method.
Background technology
Sodium-sulphur battery mainly is comprised of electrolyte ceramics pipe, storage sodium pipe, shell and active material sulphur and sodium.An important step in the sodium-sulphur battery manufacture process is that negative pole is annotated sodium, in the storage sodium pipe of sodium-sulphur battery, injects Liquid Sodium.Negative pole in existing sodium-sulphur battery manufacture process is annotated the sodium method: will store up after the sodium pipe box is connected in the electrolyte ceramics pipe and be annotated sodium to storing up in the sodium pipe again.Because the ability of electrolyte ceramics pipe heat shock resistance is weaker than metal storage sodium pipe; so when negative pole is annotated sodium; for the heating rate of controlling electrolyte ceramics to avoid the electrolyte ceramics pipe to damage; it is low that the speed of negative pole notes sodium has been subject to therefore this negative pole notes of strict restriction sodium method efficiency, is not suitable for large-scale production.
Summary of the invention
The objective of the invention is in order to overcome the deficiencies in the prior art, provide a kind of sodium-sulphur battery negative pole to annotate the sodium method, it can improve the efficiency that the sodium-sulphur battery negative pole is annotated sodium, is applicable to the needs of sodium-sulphur battery large-scale production.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of sodium-sulphur battery negative pole is annotated the sodium method, comprises storage sodium pipe bottom lock step, with fusing point, is more than or equal to organic glue of 200 ℃ by the through hole sealing of described storage sodium pipe bottom; And the following step carried out under the protection of inert gas atmosphere:
Solid-state sodium fusion melts step: under 120～150 ℃, solid-state sodium fusion is melted and becomes Liquid Sodium;
Storage sodium pipe preheating step: described storage sodium pipe is preheated to 70-120 ℃;
Annotate the sodium step: solid-state sodium fusion is melted to the Liquid Sodium obtained in step and inject the storage sodium pipe through the preheating of storage sodium pipe preheating step;
Cooling step: the storage sodium pipe that Liquid Sodium is housed is carried out cooling, make the Liquid Sodium in described storage sodium pipe solidify out into solid-state sodium;
Sealing step: cover the negative pole seal cover on the end face of described storage sodium pipe, and by Laser Welding, described storage sodium pipe and described negative pole seal cover are fixed.
Further, described solid-state sodium fusion melts in step, be placed in the first thermatron and heat the melting that realizes solid-state sodium by the molten sodium pipe that solid-state sodium will be housed, in described storage sodium pipe preheating step, by described storage sodium pipe is placed in to the second thermatron, carry out preheating.
Further, in described the first thermatron and described the second thermatron, adopt the copper heater coil to be heated.
Further, described cooling step carries out in cooling device, and described cooling device is the cylinder be spliced by two semicircular cambered surface metallic plates, and the internal diameter of described cylinder equals the external diameter of described storage sodium pipe.
Further, the organic glue adopted in described storage sodium pipe bottom lock step is silica gel or acrylic acid tree resin glue.
Further, in described storage sodium pipe bottom lock step, described organic glue is by after the through hole sealing of described storage sodium pipe bottom, by the standing 2～24h of described storage sodium pipe.
Further, the step of being hunted leak after described storage sodium pipe bottom lock step, the bonding air-tightness of guaranteeing to store up the through hole place of sodium pipe bottom is less than 10
-8pam
3s
-1.
Further, described sealing step is that the Liquid Sodium in described storage sodium pipe solidifies out into solid-state sodium, and is cooled to and carries out after 50～60 ℃.
Further, to melt step, described storage sodium pipe preheating step, described notes sodium step, described cooling step and described sealing step be to carry out under the protection of nitrogen atmosphere or argon gas atmosphere to described solid-state sodium fusion.
Further, to melt step, described storage sodium pipe preheating step, described notes sodium step, described cooling step and described sealing step be to carry out in the glove box that is full of nitrogen atmosphere or argon gas atmosphere to described solid-state sodium fusion.
Adopt a kind of sodium-sulphur battery negative pole of the present invention to annotate the technical scheme of sodium method, first with fusing point Daewoo, equaled the through hole that organic glue of 200 ℃ will store up sodium pipe bottom and seal, then annotated the technical scheme of sodium, cooling and seal operation to storing up the sodium pipe.Its technique effect is: because storage sodium pipe before annotating sodium no longer needs to be socketed in the electrolyte ceramics pipe; therefore the notes sodium speed of this notes sodium method no longer needs strictly to control, so the notes sodium speed of this negative pole notes sodium method is fast, and efficiency is high; do not destroy the electrolyte ceramics pipe, be applicable to large-scale production.
The accompanying drawing explanation
Fig. 1 is the flow chart that a kind of sodium-sulphur battery negative pole of the present invention is annotated the sodium method.
Fig. 2 is that a kind of sodium-sulphur battery negative pole of the present invention is annotated the structural representation that adopts the notes sodium system in the sodium method.
Fig. 3 is the structural representation that a kind of sodium-sulphur battery negative pole of the present invention is annotated the storage sodium pipe adopted in the sodium method.
Fig. 4 is that a kind of sodium-sulphur battery negative pole of the present invention is annotated in the sodium method plan structure schematic diagram that adopts cooling device in the notes sodium system.
Embodiment
Refer to Fig. 1 to Fig. 4, the present inventor is in order to be understood technical scheme of the present invention better, below by embodiment particularly, and is described in detail by reference to the accompanying drawings:
Refer to Fig. 1 a kind of sodium-sulphur battery negative pole of the present invention and annotate the sodium method, comprise the following steps: to store up sodium pipe bottom lock step, leak detection step, solid-state sodium fusion and melt step, storage sodium pipe preheating step, annotate sodium step, cooling step and sealing step.Wherein solid-state sodium fusion melts step, storage sodium pipe preheating step, annotates sodium step, cooling step and sealing step and carry out in a notes sodium system as shown in Figure 2.
Refer to Fig. 3, storage sodium pipe 100 bottoms are typically provided with the through hole 101 that diameter is 0.5-3mm, and when the effect of through hole 101 is battery operation, the sodium in storage sodium pipe 100 can flow out smoothly.
Storage sodium pipe bottom lock step: the organic glue that adopts fusing point to be more than or equal to 200 ℃ seals through hole 101.Adopt the reason of organic glue to be organic glue good toughness, be convenient in the sodium-sulphur battery installation process, organic glue of shutoff through hole 101 be removed.Requiring the fusing point of organic glue to be more than or equal to 200 ℃ is that organic glue can not lose efficacy in order to guarantee to annotate in the sodium step, and Liquid Sodium can not flowed out from the through hole 101 of storage sodium pipe 100 bottoms.The organic glue adopted in the present embodiment is silica gel or acrylic resin glue.
In order to guarantee the plugging effect of through hole 101, make organic glue that sufficient time solidification be arranged, after with organic glue, through hole 101 being sealed, necessary standing 2～24 hours of storage sodium pipe, through hole 101 diameters of storage sodium pipe 100 bottoms are larger, required standing time of storage sodium pipe 100 is longer, and wherein, when the diameter of through hole 101 is 1mm, the required standing time is 12～24 hours.
Leak detection step: after storage sodium pipe bottom lock step completes, use Helium leak detector to detect the through hole 101 bonding air-tightness of storage sodium pipe 100 bottoms, to guarantee the quality of organic glue to through hole 101 shutoff, prevent from annotating in the sodium step, organic glue lost efficacy, and Liquid Sodium is flowed out from the through hole 101 of storage sodium pipe 100 bottoms.In addition on the one hand, after negative pole is annotated sodium and completed, the long preservation of being convenient to store up sodium pipe 100, prevent from storing up the solid-state sodium generation oxidations in sodium pipe 100 and the use that affects sodium-sulphur battery.In the leak detection step, the air-tightness of guaranteeing to bond is less than or equal to 10
-8pam
3s
-1.
Carrying out solid-state sodium fusion melts step, storage sodium pipe preheating step, annotates the notes sodium system that sodium step, cooling step and sealing step adopt and comprise a glove box 10; be full of inert gas atmosphere in glove box 10; with protection sodium, prevent that sodium from oxidation occurring in above-mentioned steps.In the present embodiment, the inert gas atmosphere adopted is nitrogen atmosphere or argon gas atmosphere, from the angle of large-scale production, and preferred nitrogen atmosphere.Be placed with a molten sodium pipe 2 of the first thermatron 1, the first thermatron 1 socket in glove box 10.The second thermatron 3, the storage sodium pipe 100 after through hole 101 sealings is placed in the second thermatron 3, transfer device 4, cooling device 5, laser welder 6, and negative pole seal cover 103.Wherein transfer device 4 can be crucible tongs or a mechanical arm.The first thermatron 1 and the second thermatron 3 all adopt the copper heater coil.
Solid-state sodium fusion melts step: quantitative solid-state sodium is placed in to molten sodium pipe 2, adopt 1 pair of molten sodium pipe 2 of the first thermatron to be heated, molten sodium pipe 2 interior solid-state sodium fusions are melted becomes Liquid Sodium, and the temperature of the first thermatron 1 heating is 120～160 ℃, and preferably temperature is 150 ℃.Select the reason of this temperature range to be: at this temperature, the viscosity of sodium is fully low, to guarantee to annotate the notes sodium speed in the sodium step, and again can be in annotating the sodium step, prevent that organic glue lost efficacy because of high temperature, cause Liquid Sodium to flow out from the through hole 101 of storage sodium pipe 100 bottoms.
Storage sodium pipe preheating step: adopt 3 pairs of storage sodium pipes 100 of the second thermatron to carry out preheating, the temperature that the second 3 pairs of thermatrons storage sodium pipe 100 carries out preheating is 70～120 ℃.Select the purpose of this temperature to be: to guarantee on the one hand in annotating the sodium step, can be not low because of storage sodium pipe 100 temperature, thereby cause Liquid Sodium to affect the serviceability of sodium-sulphur battery in storage sodium pipe 100 interior premature solidification, the glue that also can prevent shutoff through hole 101 is softening too early, cause annotating in the sodium step, organic glue lost efficacy, and caused Liquid Sodium to flow out from the through hole 101 of storage sodium pipe 100 bottoms.
Annotate the sodium step: adopt transfer device 4 will melt sodium pipe 2 and take out from the first thermatron 1, be transferred to the second thermatron 3 tops, Liquid Sodium in molten sodium pipe 2 is injected to storage sodium pipe 100, Liquid Sodium in sodium pipe 2 fusion is all injected storage sodium pipe 100, to melt sodium pipe 2 and again put back to the first thermatron 1, and be reentered into quantitative sodium in molten sodium pipe 2.
Cooling step: adopt transfer device 4 will store up sodium pipe 100 and take out from the second thermatron 3, put into cooling device 5.As shown in Figure 4, the cooling device 5 adopted in the present invention is the cylinders that are spliced by two semicircular cambered surface metallic plates 51, and the inner diameter d 2 of described cylinder equals to store up the outside diameter d 1 of sodium pipe 100.Two semicircular cambered surface metallic plates 51 are made by fine aluminium or aluminium alloy.After storage sodium pipe 100 is put into cooling device 5, the lateral wall of storage sodium pipe 100 is close to the madial wall of cooling device 5, utilize thermal conductivity and the thermal diffusivity of two semicircular cambered surface metallic plates 51, heat on storage sodium pipe 100 is delivered to rapidly on two semicircular cambered surface metallic plates 51 of cooling device 5, accelerated the cooling of storage sodium pipe 100 and storage sodium pipe 100 interior Liquid Sodium, accelerated storage sodium pipe 100 interior Liquid Sodium and solidified out into solid-state sodium.Any semicircular cambered surface metallic plate 51 in cooling device 5 is provided with a temperature sensor and an alarm, treat that described temperature sensor detects the temperature of storage sodium pipe 100, storing up the temperature of sodium pipe 100 internal solid sodium is down to below 60 ℃, described alarm equipment alarm, prompting enters the sealing step.
Sealing step: the negative pole seal cover 103 that adopts transfer device 4 to capture in glove box 10, and by negative pole seal cover 103 be transferred to storage sodium pipe 100 directly over, end face sealing by storage sodium pipe 100, and will store up the end face of sodium pipe 100 and negative pole seal cover 103 is fixing with laser welder 6, thereby complete whole notes sodium operation.Storage sodium pipe 100 can be preserved separately for a long time.Negative pole seal cover 103 is all austenitic stainless steel with the material of storage sodium pipe 100, so that being welded and fixed between the end face of storage sodium pipe 100 and negative pole seal cover 103.
During sodium-sulphur battery to be installed, the organic glue that adopts pocket knife will store up sodium pipe 100 bottom through hole 101 places is removed, and completes the solution sealing operation of storage sodium pipe 100 bottoms.
A kind of sodium-sulphur battery negative pole of the present invention is annotated the sodium method; whole process does not relate to the electrolyte ceramics pipe; therefore this negative pole is annotated the sodium method; annotating sodium speed no longer needs strictly to control, so the notes sodium speed of this negative pole notes sodium method is high, and efficiency is high; do not destroy the electrolyte ceramics pipe; be applicable to large-scale production, will store up sodium pipe 100 in the sodium-sulphur battery production process and be socketed in that the electrolyte ceramics pipe is interior to be got final product, the production efficiency of sodium-sulphur battery significantly improves.Simultaneously owing to having carried out the leak detection step, after can guaranteeing that negative pole is annotated sodium and completed, storage sodium pipe 100 can be separately, long-time preservation.
Claims (10)
1. a sodium-sulphur battery negative pole is annotated the sodium method, comprises storage sodium pipe bottom lock step, with fusing point, is more than or equal to organic glue of 200 ℃ by the through hole sealing of described storage sodium pipe bottom; And the following step carried out under the protection of inert gas atmosphere:
Solid-state sodium fusion melts step: under 120～150 ℃, solid-state sodium fusion is melted and becomes Liquid Sodium;
Storage sodium pipe preheating step: described storage sodium pipe is preheated to 70-120 ℃;
Annotate the sodium step: solid-state sodium fusion is melted to the Liquid Sodium obtained in step and inject the storage sodium pipe through the preheating of storage sodium pipe preheating step;
Cooling step: the storage sodium pipe that Liquid Sodium is housed is carried out cooling, make the Liquid Sodium in described storage sodium pipe solidify out into solid-state sodium;
Sealing step: cover the negative pole seal cover on the end face of described storage sodium pipe, and by Laser Welding, described storage sodium pipe and described negative pole seal cover are fixed.
2. a kind of sodium-sulphur battery negative pole according to claim 1 is annotated the sodium method, it is characterized in that: described solid-state sodium fusion melts in step, be placed in the first thermatron and heat the melting that realizes solid-state sodium by the molten sodium pipe that solid-state sodium will be housed, in described storage sodium pipe preheating step, by being placed in to the second thermatron, described storage sodium pipe carries out preheating.
3. a kind of sodium-sulphur battery negative pole according to claim 2 is annotated the sodium method, it is characterized in that: in described the first thermatron and described the second thermatron, adopt the copper heater coil to be heated.
4. a kind of sodium-sulphur battery negative pole according to claim 1 is annotated the sodium method, it is characterized in that: described cooling step carries out in cooling device, described cooling device is the cylinder be spliced by two semicircular cambered surface metallic plates, and the internal diameter of described cylinder equals the external diameter of described storage sodium pipe.
5. a kind of sodium-sulphur battery negative pole according to claim 1 is annotated the sodium method, it is characterized in that: the organic glue adopted in described storage sodium pipe bottom lock step is silica gel or acrylic acid tree resin glue.
6. a kind of sodium-sulphur battery negative pole according to claim 1 is annotated the sodium method, it is characterized in that: in described storage sodium pipe bottom lock step, described organic glue is by after the through hole sealing of described storage sodium pipe bottom, by the standing 2～24h of described storage sodium pipe.
7. a kind of sodium-sulphur battery negative pole according to claim 1 is annotated the sodium method, it is characterized in that: the step of being hunted leak after described storage sodium pipe bottom lock step, guarantee that the bonding air-tightness at the through hole place of described storage sodium pipe bottom is less than or equal to 10
-8pam
3s
-1.
8. a kind of sodium-sulphur battery negative pole according to claim 1 is annotated the sodium method, it is characterized in that: described sealing step is that the Liquid Sodium in described storage sodium pipe solidifies out into solid-state sodium, and is cooled to and carries out after 50～60 ℃.
9. a kind of sodium-sulphur battery negative pole according to claim 1 is annotated the sodium method, and it is characterized in that: it is to carry out under the protection of nitrogen atmosphere or argon gas atmosphere that described solid-state sodium fusion melts step, described storage sodium pipe preheating step, described notes sodium step, described cooling step and described sealing step.
10. a kind of sodium-sulphur battery negative pole according to claim 9 is annotated the sodium method, and it is characterized in that: it is to carry out in the glove box that is full of nitrogen atmosphere or argon gas atmosphere that described solid-state sodium fusion melts step, described storage sodium pipe preheating step, described notes sodium step, described cooling step and described sealing step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310485375.7A CN103490101A (en) | 2013-10-17 | 2013-10-17 | Method for injecting sodium into positive electrode of sodium-sulfur battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310485375.7A CN103490101A (en) | 2013-10-17 | 2013-10-17 | Method for injecting sodium into positive electrode of sodium-sulfur battery |
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| CN103490101A true CN103490101A (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310485375.7A Pending CN103490101A (en) | 2013-10-17 | 2013-10-17 | Method for injecting sodium into positive electrode of sodium-sulfur battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785104A (en) * | 2016-12-21 | 2017-05-31 | 上海电气钠硫储能技术有限公司 | A kind of method for packing of cathode of sodium-sulfur cell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02183969A (en) * | 1989-01-07 | 1990-07-18 | Yuasa Battery Co Ltd | Manufacture of sodium-sulfur battery |
| CN101132084A (en) * | 2006-08-24 | 2008-02-27 | 比亚迪股份有限公司 | Zinc-air battery |
| CN103117416A (en) * | 2012-12-12 | 2013-05-22 | 上海电气钠硫储能技术有限公司 | Sodium injection method for negative electrode of sodium-sulphur battery |
| CN202996994U (en) * | 2012-12-12 | 2013-06-12 | 上海电气钠硫储能技术有限公司 | Sodium-sulfur battery |
-
2013
- 2013-10-17 CN CN201310485375.7A patent/CN103490101A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02183969A (en) * | 1989-01-07 | 1990-07-18 | Yuasa Battery Co Ltd | Manufacture of sodium-sulfur battery |
| CN101132084A (en) * | 2006-08-24 | 2008-02-27 | 比亚迪股份有限公司 | Zinc-air battery |
| CN103117416A (en) * | 2012-12-12 | 2013-05-22 | 上海电气钠硫储能技术有限公司 | Sodium injection method for negative electrode of sodium-sulphur battery |
| CN202996994U (en) * | 2012-12-12 | 2013-06-12 | 上海电气钠硫储能技术有限公司 | Sodium-sulfur battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785104A (en) * | 2016-12-21 | 2017-05-31 | 上海电气钠硫储能技术有限公司 | A kind of method for packing of cathode of sodium-sulfur cell |
| CN106785104B (en) * | 2016-12-21 | 2019-03-08 | 上海电气钠硫储能技术有限公司 | A kind of packaging method of cathode of sodium-sulfur cell |
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Application publication date: 20140101 |