CN203491352U - Positive electrode sealing structure for sodium-sulfur battery - Google Patents
Positive electrode sealing structure for sodium-sulfur battery Download PDFInfo
- Publication number
- CN203491352U CN203491352U CN201320640013.6U CN201320640013U CN203491352U CN 203491352 U CN203491352 U CN 203491352U CN 201320640013 U CN201320640013 U CN 201320640013U CN 203491352 U CN203491352 U CN 203491352U
- Authority
- CN
- China
- Prior art keywords
- becket
- face
- ring
- sodium
- metal ring
- 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.)
- Withdrawn - After Issue
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
-
- 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
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model discloses a positive electrode sealing structure for a sodium-sulfur battery and belongs to the field of chemical energy storage. The positive electrode sealing structure comprises an electrolyte ceramic tube and a shell, wherein a ceramic insulating ring which protrudes outwards in the radial direction is fixedly arranged on the top face of the electrolyte ceramic tube; the anode sealing structure further comprises an L-shaped metal ring, a groove-shaped metal ring and a top metal ring; the top face of a horizontal section of the L-shaped metal ring is fixedly connected with the bottom face of the ceramic insulating ring; the inner side face of a vertical section of the L-shaped metal ring is fixedly connected with the outer side face of the ceramic insulating ring; the outer side face of the vertical section is separated from the inner side face of the shell; the top face of the vertical section is higher than that of the ceramic insulating ring; an inner ring groove wall of the groove-shaped metal ring is higher than an outer ring groove wall of the groove-shaped metal ring and the outer side face of the outer ring groove wall is fixedly connected with the inner side face of the vertical section of the L-shaped metal ring; the top face of the outer ring groove wall is as high as the top face of the vertical section of the L-shaped metal ring; the top metal ring is connected with the outer side face of the inner ring groove wall of the groove-shaped metal ring and the inner side face of the shell; an annular groove is formed in the top face of the top metal ring. The positive electrode sealing structure for the sodium-sulfur battery has the technical effects that in a cooling process of the sodium-sulfur battery, the stress of the electrolyte ceramic tube is effectively dispersed.
Description
Technical field
The utility model relates to the anodal hermetically-sealed construction of a kind of sodium-sulphur battery in chemical energy storage field.
Background technology
The critical material of sodium-sulphur battery is β "-Al
2o
3the electrolyte ceramics pipe of making, battery safety depends on the mechanical property of electrolyte ceramics pipe to a great extent.Once electrolyte ceramics pipe has micro-crack or breaks, sodium directly contacts generation vigorous reaction with sulphur, and temperature reaches as high as 2000 ℃.The fail safe of sodium-sulphur battery mainly contains two aspects, one of them is battery heating and cooling security performances, battery module inevitably will carry out the work such as periodic maintenance, during battery cooling, when especially temperature is down under 280 ℃, sodium polysulfide in sodium-sulphur battery cathode chamber solidifies, receive compared with huge pressing stress electrolyte ceramics pipe bottom, if compression is not discharged, easily causes the spout part of electrolyte ceramics pipe and bottom to be broken, cause sodium and sulphur directly to react, harmfulness is larger.
As shown in Figure 1, in existing sodium-sulphur battery, be fixed with a radially outward outstanding ceramic insulation ring 1 on the end face of electrolyte ceramics pipe 100, ceramic insulation ring 1 is fixed by thermocompression bonding with electrolyte ceramics pipe 100.Between the negative pole seal cover 300 of the end face of ceramic insulation ring 1 and sodium-sulphur battery, by negative pole sealing ring 5, be connected, the bottom of negative pole sealing ring 5 is provided with a radially outward outstanding flange 52, the end face of the bottom surface of flange 52 and ceramic insulation ring 1 is fixed by thermocompression bonding, thereby by 310 sealings of the anode chamber of sodium-sulphur battery.And the shell 200 of ceramic insulation ring 1 and sodium-sulphur battery radially between be provided with anodal sealing ring 7, between anodal sealing ring 7 and ceramic insulation ring 1, by thermocompression bonding, fix, between anodal sealing ring 7 and the medial surface of shell 200 by being welded and fixed, thereby the cathode chamber of sodium-sulphur battery 210 is sealed.
Such design, in sodium-sulphur battery temperature-fall period, the stress that electrolyte ceramics pipe 100 is subject to, after being delivered on ceramic insulation ring 1, is difficult to by anodal sealing ring 7 and negative pole sealing ring 5, disperse again.For the stress that disperses electrolyte ceramics pipe 100 to be subject to, shell 200 has adopted the structure of bellows.When employing has the aluminum alloy material of high tenacity, the structure that processes bellows is out of question, while producing the shell 200 of sodium-sulphur battery with stainless steel, be difficult to process bellows structure, in addition on the one hand, the suffered stress of electrolyte ceramics pipe 100 can not be fundamentally eliminated in such design, and the bottom of electrolyte ceramics pipe 100 and the mouth of pipe still can ftracture, and therefore must consider that alternate manner disperses the suffered stress of electrolyte ceramics pipe 100.
Utility model content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, provides a kind of sodium-sulphur battery anodal hermetically-sealed construction, and it can, in sodium-sulphur battery temperature-fall period, fundamentally eliminate the suffered stress of electrolyte ceramics pipe.
A kind of technical scheme that realizes above-mentioned purpose is: the anodal hermetically-sealed construction of a kind of sodium-sulphur battery, comprise electrolyte ceramics pipe and shell, and on the end face of described electrolyte ceramics pipe, be fixed with a radially outward outstanding ceramic insulation ring; It is characterized in that:
It also comprises L shaped becket, flute profile becket and top metal ring;
Described L shaped becket is divided into vertical section and horizontal segment, and the bottom surface of the end face of described horizontal segment and described ceramic insulation ring is fixed, and the lateral surface of the medial surface of described vertical section and described ceramic insulation ring is fixed; The lateral surface of described vertical section is separated with the medial surface of described shell, and the end face of described vertical section is higher than the end face of described ceramic insulation ring;
The bottom surface of described flute profile becket is higher than the end face of described ceramic insulation ring, described flute profile becket is provided with inner ring cell wall and outer ring cell wall, described inner ring cell wall is higher than described outer ring cell wall, the medial surface of the lateral surface of described outer ring cell wall and the vertical section of described L shaped becket is fixed, and the end face of the end face of described outer ring cell wall and the vertical section of described L shaped becket is contour;
Described top metal ring connects the lateral surface of inner ring cell wall and the medial surface of described shell of described flute profile becket, and the end face of described top metal ring and the end face of described flute profile becket inner ring cell wall and the end face of described shell are contour; The end face of described top metal ring is provided with a cannelure.
Further, along the outer rim of described ceramic insulation ring bottom surface, be provided with the stage structure of falling from power, the end face of the horizontal segment of described L shaped becket with described in the fall from power bottom surface of stage structure fix.
Further, the top of the medial surface of described shell is provided with limited step structure, and the bottom surface of described top metal ring and lateral surface and this limited step structure are fixed.
Further, between described L shaped becket and described ceramic insulation ring, by thermocompression bonding, fix, between described L shaped becket and described flute profile becket, between described flute profile becket and described top metal ring, and between described top metal ring and described shell all by being welded and fixed.
Further, between described L shaped becket and described ceramic insulation ring, by thermocompression bonding, fix, between described L shaped becket and described flute profile becket, between described flute profile becket and described top metal ring, and between described top metal ring and described shell all by being welded and fixed.
Further, the thickness d of described L shaped becket is 0.3～1mm, and the end face of the vertical section of described L shaped becket is 4-10mm higher than the height h1 of the end face of described ceramic insulation ring.
Also want further, the height h2 of the outer ring cell wall of described flute profile becket is 1.5～2.5mm.
Adopted the technical scheme of the anodal hermetically-sealed construction of a kind of sodium-sulphur battery of the present utility model, by the cathode chamber L shaped becket, flute profile becket and top metal ring that chain type is connected are set between ceramic insulation ring and shell seal sodium-sulphur battery, and the lateral surface of the vertical section of L shaped becket and the separated technical scheme of the medial surface of shell.Its technique effect is: by the deformation of L shaped becket, flute profile becket and top metal ring; the effective suffered stress of absorbed electrolyte earthenware; thereby in the process of safeguarding in sodium-sulphur battery cooling; prevent the cracking at electrolyte ceramics pipe bottom and top, the safe operation of protection sodium-sulphur battery.
Accompanying drawing explanation
Fig. 1 is the structural representation of the anodal hermetically-sealed construction of sodium-sulphur battery of prior art.
Fig. 2 is the structural representation of the anodal hermetically-sealed construction of a kind of sodium-sulphur battery of the present utility model.
Embodiment
Refer to Fig. 2, inventor of the present utility model is in order to understand the technical solution of the utility model better, below by embodiment particularly, and is described in detail by reference to the accompanying drawings:
Refer to Fig. 2, the anodal hermetically-sealed construction of a kind of sodium-sulphur battery of the present utility model, comprises electrolyte ceramics pipe 100 and shell 200, is fixed with a radially outward outstanding ceramic insulation ring 1 on the end face of electrolyte ceramics pipe 100; The anodal hermetically-sealed construction of a kind of sodium-sulphur battery of the present utility model also comprises L shaped becket 2, flute profile becket 3 and top metal ring 4.L shaped becket 2, flute profile becket 3 and top metal ring 4 are connected the lateral surface of electrolyte ceramics pipe 100 are connected with the medial surface of shell 200 by chain type, so that the cathode chamber between electrolyte ceramics pipe 100 and shell 200 210 is sealed.
Wherein, the bottom surface of ceramic insulation ring 1, is provided with around the outer rim of ceramic insulation ring 1 stage structure 11 of falling from power.
L shaped becket 2 is divided into vertical section 21 and horizontal segment 22, and the bottom surface of the end face of horizontal segment 22 and ceramic insulation ring 1 is fixed, and the bottom surface of the stage structure 11 of falling from power of the end face of horizontal segment 22 and ceramic insulation ring 1 is fixed in other words.The lateral surface of the medial surface of vertical section 21 and ceramic insulation ring 1 is fixed; The lateral surface of vertical section 21 is separated with the medial surface of shell 200, and the end face of vertical section 21 is higher than the end face of ceramic insulation ring 1.
Between electrolyte ceramics pipe 100 and ceramic insulation ring 1, between ceramic insulation ring 1 and L shaped becket 2, all by thermocompression bonding, fix, because the selected scolder of thermocompression bonding is fine aluminium, therefore L shaped becket 2 preferred materials are fine aluminium or aluminium alloy.This is between current pottery and pottery, conventional fixed form between pottery and metal.The preferred material of flute profile becket 3 and top metal ring 4 is also pure aluminum or aluminum alloy.
The opening upwards of flute profile becket 3, and the bottom surface of grooved becket 3 is higher than the end face of ceramic insulation ring 1, and the bottom surface of grooved becket 3 is separated with the end face of ceramic insulation ring 1.Flute profile becket 3 is provided with inner ring cell wall 31 and outer ring cell wall 32, and inner ring cell wall 31 is higher than outer ring cell wall 32.Wherein the medial surface of the vertical section 21 of the lateral surface of outer ring cell wall 32 and L shaped becket 2 is by being welded and fixed, and preferred welding manner is Laser Welding or inert gas tungsten electrode protection weldering, contaminated to prevent the material in cathode chamber 210.The end face of the vertical section 21 of the end face of outer ring cell wall 32 and L shaped becket 2 is contour, to facilitate the welding between the outer ring cell wall 32 of grooved becket 3 and the vertical section 21 of L shaped becket 2.
The end face of top metal ring 4 and the end face of flute profile becket 3 inner ring cell walls 31 and the end face of shell 200 are contour simultaneously, and the end face of top metal ring 4 is provided with a cannelure 41, so that top metal ring 4 and grooved becket 3, the welding between top metal ring 4 and shell 200.
By chain type being set between the medial surface of ceramic insulation ring 1 and shell 200, be connected L shaped becket 2, flute profile becket 3 and top metal ring 4, by 210 sealings of the cathode chamber between electrolyte ceramics pipe 100 and shell 200.Such design can be in sodium-sulphur battery temperature-fall period; by the suffered stress of electrolyte ceramics pipe 100; by ceramic insulation ring 1, pass to L shaped becket 2, flute profile becket 3 and top metal ring 4; and L shaped becket 2, flute profile becket 3 and top metal ring 4 are by deformation; the stress that absorbed electrolyte earthenware 100 is suffered; thereby prevent the cracking at electrolyte ceramics pipe 100 bottoms and top or occur micro-crack, the safe operation of protection sodium-sulphur battery.
And the bottom surface of ceramic insulation ring 1 is provided with the effect of the stage structure 11 of falling from power and is: prevent because ceramic insulation ring 1 ftractures when bearing the stress that ceramic electrolysis tube 100 passes over, thereby cause sodium-sulphur battery to lose efficacy.
The effect that the top of the medial surface of shell 200 is provided with limited step structure 201 is the weld strength between reinforced top becket 4 and shell 200.
In order further to guarantee the stable operation of sodium-sulphur battery, for the size of L shaped becket 2, flute profile becket 3, also made concrete regulation:
Wherein the thickness d of L shaped becket 2 is 0.3～1mm, and the thickness d of L shaped becket 2 is lower than 0.3mm, L shaped becket 2 processing difficulties, and mechanical property is poor.Thickness is greater than 1mm, cannot be by the suffered stress of the effective absorbed electrolyte earthenware 100 of deformation, the residual stress that also cannot make flute profile becket 3 and top metal ring 4 cause ceramic insulation ring 1 to be subject to by the suffered stress of the effective absorbed electrolyte earthenware 100 of deformation strengthens, cause ceramic insulation ring 1 cracking, sodium-sulphur battery lost efficacy.
The end face of the vertical section 21 of L shaped becket 2 is 4-10mm higher than the height h1 of the end face of ceramic insulation ring 1.If the end face of the vertical section 21 of L shaped becket 2 is less than 4mm higher than the height h1 of the end face of ceramic insulation ring 1, the easy short circuit of sodium-sulphur battery, the end face of the vertical section 21 of L shaped becket 2 is greater than 10mm higher than the height h1 of the end face of ceramic insulation ring 1, cause the waste of material in L shaped becket 2 manufacture processes, two are unfavorable for the temperature field in sodium-sulphur battery running for a moment.
The height h2 of the outer ring cell wall 32 of flute profile becket 3 is 1.5～2.5mm.The height h2 of the outer ring cell wall 32 of flute profile becket 3 is less than 1.5mm, the weld strength between the outer ring cell wall 32 of flute profile becket 3 and the vertical section 21 of L shaped becket 2 reduces, the height h2 of the outer ring cell wall 32 of flute profile becket 3 is greater than 2.5mm, distance between the end face of the bottom surface of flute profile becket 3 and ceramic insulation ring 1 reduces, the easy short circuit of sodium-sulphur battery.
Simultaneously, between the negative pole seal cover 300 of the end face of ceramic insulation ring 1 and sodium-sulphur battery, by negative pole sealing ring 5, be connected, the medial surface at negative pole sealing ring 5 tops and the sidewall of negative pole seal cover 300 are fixed by Laser Welding, the bottom of negative pole sealing ring 5 is provided with a flange 52, and the end face of the bottom surface of flange 52 and ceramic insulation ring 1 is fixed by thermocompression bonding.The chain type syndeton of logical ceramic insulation ring 1, L shaped becket 2, flute profile becket 3 and top metal ring 4, also be conducive to the suffered stress of electrolyte ceramics pipe 100 to be delivered on negative pole sealing ring 5 stress that the deformation by negative pole sealing ring 5 comes absorption portion electrolyte ceramics pipe 100 to be subject to.
In order to prevent ceramic insulation ring 1 cracking, on the end face of ceramic insulation ring 1, along the inner edge of the end face of ceramic insulation ring 1, be provided with a recessed ledge frame face 12, the bottom surface of the flange 52 of negative pole sealing ring 5 is fixed with this recessed ledge frame face 12.
After testing, adopted after the structure of the anodal hermetically-sealed construction of a kind of sodium-sulphur battery of the present utility model, sodium-sulphur battery is after 20 coolings of experience and heating up, the bottom of its electrolyte ceramics pipe 100 and top still remain intact and break or micro-crack without any, guarantee that can reach more than 10 years the useful life of sodium-sulphur battery.
Those of ordinary skill in the art will be appreciated that, above embodiment is only for the utility model is described, and be not used as restriction of the present utility model, as long as within the scope of connotation of the present utility model, to the variation of the above embodiment, modification, all will drop within the scope of claims of the present utility model.
Claims (7)
1. the anodal hermetically-sealed construction of sodium-sulphur battery, comprises electrolyte ceramics pipe (100) and shell (200), is fixed with a radially outward outstanding ceramic insulation ring (1) on the end face of described electrolyte ceramics pipe (100); It is characterized in that:
It also comprises L shaped becket (2), flute profile becket (3) and top metal ring (4);
Described L shaped becket (2) is divided into vertical section (21) and horizontal segment (22), the bottom surface of the end face of described horizontal segment (22) and described ceramic insulation ring (1) is fixed, and the lateral surface of the medial surface of described vertical section (21) and described ceramic insulation ring (1) is fixed; The lateral surface of described vertical section (21) is separated with the medial surface of described shell (200), and the end face of described vertical section (21) is higher than the end face of described ceramic insulation ring (1);
The bottom surface of described flute profile becket (3) is higher than the end face of described ceramic insulation ring (1), described flute profile becket (3) is provided with inner ring cell wall (31) and outer ring cell wall (32), described inner ring cell wall (31) is higher than described outer ring cell wall (32), the medial surface of the vertical section (21) of the lateral surface of described outer ring cell wall (32) and described L shaped becket (2) is fixed, and the end face of the vertical section (21) of the end face of described outer ring cell wall (32) and described L shaped becket (2) is contour;
Described top metal ring (4) connects the lateral surface of inner ring cell wall (31) and the medial surface of described shell (200) of described flute profile becket (3), and the end face of the end face of described top metal ring (4) and described flute profile becket (3) inner ring cell wall (31) and the end face of described shell (200) are contour; The end face of described top metal ring (4) is provided with a cannelure (41).
2. the anodal hermetically-sealed construction of a kind of sodium-sulphur battery according to claim 1, it is characterized in that: the outer rim along described ceramic insulation ring (1) bottom surface is provided with the stage structure of falling from power (11), the end face of the horizontal segment (21) of described L shaped becket (2) with described in the fall from power bottom surface of stage structure (11) fix.
3. the anodal hermetically-sealed construction of a kind of sodium-sulphur battery according to claim 1, it is characterized in that: the top of the medial surface of described shell (200) is provided with limited step structure (201), the bottom surface of described top metal ring (4) and lateral surface and this limited step structure (201) are fixing.
4. according to the anodal hermetically-sealed construction of a kind of sodium-sulphur battery described in any one in claims 1 to 3, it is characterized in that: between described L shaped becket (2) and described ceramic insulation ring (1), by thermocompression bonding, fix, between described L shaped becket (2) and described flute profile becket (3), between described flute profile becket (3) and described top metal ring (4), and between described top metal ring (4) and described shell (200) all by being welded and fixed.
5. the anodal hermetically-sealed construction of a kind of sodium-sulphur battery according to claim 4; it is characterized in that: between described L shaped becket (2) and described flute profile becket (3), between described flute profile becket (3) and described top metal ring (4), and all fixed by Laser Welding or inert gas tungsten electrode protection solid welding between described top metal ring (4) and described shell (200).
6. the anodal hermetically-sealed construction of a kind of sodium-sulphur battery according to claim 4, it is characterized in that: the thickness d of described L shaped becket (2) is 0.3～1mm, and the end face of the vertical section (21) of described L shaped becket (2) is 4-10mm higher than the height h1 of the end face of described ceramic insulation ring (1).
7. the anodal hermetically-sealed construction of a kind of sodium-sulphur battery according to claim 6, is characterized in that: the height h2 of the outer ring cell wall (32) of described flute profile becket (3) is 1.5～2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640013.6U CN203491352U (en) | 2013-10-17 | 2013-10-17 | Positive electrode sealing structure for sodium-sulfur battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640013.6U CN203491352U (en) | 2013-10-17 | 2013-10-17 | Positive electrode sealing structure for sodium-sulfur battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203491352U true CN203491352U (en) | 2014-03-19 |
Family
ID=50262158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320640013.6U Withdrawn - After Issue CN203491352U (en) | 2013-10-17 | 2013-10-17 | Positive electrode sealing structure for sodium-sulfur battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203491352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531855A (en) * | 2013-10-17 | 2014-01-22 | 上海电气钠硫储能技术有限公司 | Anode sealing structure of sodium-sulfur cell |
-
2013
- 2013-10-17 CN CN201320640013.6U patent/CN203491352U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531855A (en) * | 2013-10-17 | 2014-01-22 | 上海电气钠硫储能技术有限公司 | Anode sealing structure of sodium-sulfur cell |
| CN103531855B (en) * | 2013-10-17 | 2015-07-08 | 上海电气钠硫储能技术有限公司 | Anode sealing structure of sodium-sulfur cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2010333540B2 (en) | Electrolytic cell for producing primary aluminum by using inert anode | |
| CN101771181B (en) | Process for recycling waste lead batteries | |
| CN202415703U (en) | Electrolytic cell for producing rare earth metals | |
| CN103500856B (en) | A kind of sodium-sulphur battery | |
| CN103531855B (en) | Anode sealing structure of sodium-sulfur cell | |
| CN110429350A (en) | A kind of reusable liquid metal cell device | |
| CN105603216A (en) | Aluminum industry solid waste recovery/petroleum coke high-temperature desulphurization device and using method thereof | |
| CN203491352U (en) | Positive electrode sealing structure for sodium-sulfur battery | |
| CN108550754A (en) | A kind of chemical cell being conveniently replaceable electrolyte | |
| CN103500855B (en) | A kind of sodium-sulphur battery | |
| CN109841910B (en) | Liquid metal battery | |
| CN201717321U (en) | High-capacity button lithium battery | |
| CN209843832U (en) | Liquid metal battery | |
| CN203491354U (en) | Sodium-sulfur battery | |
| CN203491357U (en) | Positive electrode of sodium-sulfur battery | |
| CN203491355U (en) | Sodium-sulfur battery | |
| CN103490102A (en) | Positive electrode of sodium-sulfur battery | |
| CN205556753U (en) | Aluminium industry solid waste material recovery / petroleum coke high temperature desulphurization unit | |
| CN104805469B (en) | A kind of cathode electrolytic cell of electrolytic preparation metallic sodium device | |
| CN108922995A (en) | A kind of drop height type core high-energy density lithium battery | |
| CN201038266Y (en) | Large power sodium sulfur power battery | |
| CN203932204U (en) | A kind of sodium-sulphur battery | |
| CN105714335B (en) | A kind of positive plate for reducing anode electrolysis survival rate | |
| CN208690326U (en) | A kind of chemical cell being conveniently replaceable electrolyte | |
| CN202423414U (en) | Insulating ring for sodium-sulfur cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140319 Effective date of abandoning: 20150708 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140319 Effective date of abandoning: 20150708 |
|
| RGAV | Abandon patent right to avoid regrant |