CN201918472U - Sodium-sulfur battery with solid electrolyte - Google Patents
Sodium-sulfur battery with solid electrolyte Download PDFInfo
- Publication number
- CN201918472U CN201918472U CN2010205923439U CN201020592343U CN201918472U CN 201918472 U CN201918472 U CN 201918472U CN 2010205923439 U CN2010205923439 U CN 2010205923439U CN 201020592343 U CN201020592343 U CN 201020592343U CN 201918472 U CN201918472 U CN 201918472U
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- CN
- China
- Prior art keywords
- sodium
- solid electrolyte
- sulfur battery
- battery
- sulphur
- 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.)
- Expired - Fee Related
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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
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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
- 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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Abstract
The utility model relates to a sodium-sulfur battery with solid electrolyte, the surface of the solid electrolyte of the sodium-sulfur battery is provided with a plurality of uniform bulges, preferably, the battery is in a cylinder type, and the outer surface of the battery is in a screw thread shape. The solid electrolyte adopts the material of Bett 3 oxidation 2 aluminium. The solid electrolyte of the sodium-sulfur battery increases the specific surface area of the sodium-sulfur battery under the same volume, thereby enlarging the activity space of the sodium ion, so that the charging time and the discharging time are speeded up, the capacity ratio is improved, and the service life of the sodium-sulfur battery is prolonged.
Description
Technical field
The utility model relates to a kind of sodium-sulphur battery that uses solid electrolyte.
Background technology
Sodium-sulphur battery be U.S.'s Ford (Ford) company in 1967 Invention Announce at first, the history about 40 years just so far.Battery normally is made up of several parts such as positive pole, negative pole, electrolyte, barrier film and shells.General conventional secondary cell such as lead-acid battery, ickel-cadmium cell etc. all are to be made of solid electrode and liquid electrolyte, sodium-sulphur battery then in contrast, it is made up of fused solution electrode and solid electrolyte, the active material that constitutes its negative pole is a motlten metal sodium, anodal active material is sulphur and sodium polysulfide fused salt, because sulphur is insulator, so sulphur generally is to be filled in the charcoal or graphite felt of porous of conduction, what solid electrolyte was held concurrently barrier film is the ceramic material that a kind of special conduction sodium ion is called as Al2O3, and shell is then generally used stainless steel and other metal materials.
Sodium-sulphur battery has many characteristic parts: one is specific energy (being effective electric flux that battery unit mass or unit volume are had) height.Its theoretical specific energy is 760Wh/Kg, and reality is 3-4 times of lead-acid battery greater than 100Wh/Kg; Another is electric current, high power discharge greatly.Its discharge current density generally can reach 200-300mA/cm2, and instantaneous time can be emitted its self-energy of 3 times; Another is the efficiency for charge-discharge height.Owing to adopt solid electrolyte, so do not adopt the sort of self discharge and the side reaction of liquid electrolytic electrolitc secondary cell usually, charging and discharging currents efficient almost 100%.Certainly, all things invariably divide into two, and sodium-sulphur battery also has weak point, and its working temperature is at 300-350 ℃, so, need certain heat tracing when battery operated.
Sodium-sulphur battery Yong Zuo anode and negative electrode with sodium and sulphur content, and the Beta-aluminium oxide ceramics plays barrier film and electrolytical double action simultaneously, and the theoretical specific capacity of sodium-sulphur battery is up to 760Wh/kg, and does not have self-discharge phenomenon, and discharging efficiency almost can reach 100%.
The utility model content
The purpose of this utility model is a kind of sodium-sulphur battery that adopts the more superior solid electrolyte of performance to make.
For achieving the above object, the utility model provides a kind of use solid electrolyte sodium-sulphur battery, and there are some even projections on this solid electrolyte surface.
In technique scheme, described solid electrolyte is preferably column type, and its outer surface is shape of threads.
In technique scheme, solid electrolyte adopts the special alundum (Al material of shellfish.
The utility model has the advantages that the solid electrolyte that roughness increases has obviously increased specific area under same volume, thereby can accelerate the activity space of sodium ion, accelerate to discharge and recharge the time, improve Capacity Ratio, also prolonged the sodium-sulphur battery life-span.
Description of drawings
Fig. 1 is the structural representation that adopts the sodium-sulphur battery unit that threaded circular column type solid electrolyte constituted.
1 is the screw-type solid electrolyte among the figure, and 2 is the sodium liquid electrode, and 3 is the sulphur liquid electrode.
Specific embodiment
Solid electrolyte in the present embodiment adopts the threaded circular column type, its structure as shown in Figure 1, screw thread solid electrolyte 1 adopts the special alundum (Al ceramic electrolyte material of shellfish to make, screw thread solid electrolyte 1 is separated sodium liquid electrode 2 and sulphur liquid electrode 3, constitute the both positive and negative polarity of sodium-sulphur battery, form the electrochemistry loop.
The screw-type solid electrolyte that present embodiment provides is used for sodium-sulphur battery, sodium and sulphur liquid are deep in the pit on screw-type solid electrolyte surface, the both positive and negative polarity active material contacted specific surface area of screw-type solid electrolyte and sodium-sulphur battery increases, accelerate the activity space of sodium ion, therefore accelerate to discharge and recharge the time, improve Capacity Ratio, more prolonged the sodium-sulphur battery life-span.
Claims (3)
1. sodium-sulphur battery that uses solid electrolyte, it is characterized in that: there are some even projections on the solid electrolyte surface.
2. the sodium-sulphur battery of use solid electrolyte as claimed in claim 1 is characterized in that: described solid electrolyte is preferably column type, and its outer surface is shape of threads.
3. the steel sulphur battery of use solid electrolyte as claimed in claim 1 is characterized in that: solid electrolyte adopts the special alundum (Al of shellfish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205923439U CN201918472U (en) | 2010-11-05 | 2010-11-05 | Sodium-sulfur battery with solid electrolyte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205923439U CN201918472U (en) | 2010-11-05 | 2010-11-05 | Sodium-sulfur battery with solid electrolyte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201918472U true CN201918472U (en) | 2011-08-03 |
Family
ID=44418262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205923439U Expired - Fee Related CN201918472U (en) | 2010-11-05 | 2010-11-05 | Sodium-sulfur battery with solid electrolyte |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201918472U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016026130A1 (en) * | 2014-08-22 | 2016-02-25 | The Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University Of Nevada, Las Vegas | Sodium anti-perovskite solid electrolyte compositions |
| CN108735985A (en) * | 2017-04-18 | 2018-11-02 | 丰田自动车株式会社 | Negative electrode material together, the cathode comprising the negative electrode material together and the all-solid-state lithium-ion secondary battery with the cathode |
-
2010
- 2010-11-05 CN CN2010205923439U patent/CN201918472U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016026130A1 (en) * | 2014-08-22 | 2016-02-25 | The Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University Of Nevada, Las Vegas | Sodium anti-perovskite solid electrolyte compositions |
| CN108735985A (en) * | 2017-04-18 | 2018-11-02 | 丰田自动车株式会社 | Negative electrode material together, the cathode comprising the negative electrode material together and the all-solid-state lithium-ion secondary battery with the cathode |
| CN108735985B (en) * | 2017-04-18 | 2021-02-12 | 丰田自动车株式会社 | Negative electrode composite material, negative electrode comprising same, and all-solid-state lithium ion secondary battery having same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Geng Shida Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Geng Shida Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20151105 |