CN202631710U - Novel lithium air battery mould - Google Patents
Novel lithium air battery mould Download PDFInfo
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- CN202631710U CN202631710U CN 201220197482 CN201220197482U CN202631710U CN 202631710 U CN202631710 U CN 202631710U CN 201220197482 CN201220197482 CN 201220197482 CN 201220197482 U CN201220197482 U CN 201220197482U CN 202631710 U CN202631710 U CN 202631710U
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Abstract
The utility model relates to a novel lithium air battery mould, comprising a positive electrode casing (1), a detachable air inlet channel (2), a detachable air outlet channel (4), an insulating casing (5), a negative electrode casing (6), a positive electrode lead terminal (9), and a negative electrode lead terminal (10). Compared with the prior art, the novel lithium air battery mould of the utility model designs the detachable air inlet channel and the detachable air outlet channel, and designs air outlets which are distributed uniformly along a horizontal direction at a lower end of the air inlet channel, thus the novel lithium air battery mould is not only beneficial to thoroughly exhausting argon introduced into an air chamber during a battery assembling process and slowing down volatilization of electrolyte in a battery working process, but also convenient for accurately performing on-line analysis for products and gases during a battery charge and discharge process; at the same time, the air inlet/outlet channels have detachable structure designs, so that the novel lithium air battery mould is suitable for multipurpose tests in different gas flow states; in addition, the novel lithium air battery mould also has the advantages of convenient assembling, flexible adjustment, wide practicality, etc.
Description
Technical field
The utility model belongs to field of chemical power source, is specifically related to a kind of horizontal gas purging multi-usage lithium-air battery mould mouth, the gas passage demountable structure that has.
Background technology
Lithium-air battery be a kind of be that negative material, airborne oxygen are the new-type secondary battery of positive electrode with the lithium metal.Lithium-air battery is as a kind of battery of high-energy-density; Its theoretical energy density reaches 5, and 210Wh/kg needn't be carried at inside battery as other secondary cells if consider its positive electrode directly to be taken from atmosphere; Its theoretical energy density is up to 11 so; 680Wh/kg exceeds business-like at present lithium ion battery several magnitude, is the highest battery of theoretical energy density in present all known secondary cells.In recent years, lithium-air battery demonstrates wide application prospect because of its high specific energy with to the characteristics such as friendly of environment, has attracted international electric automobile circle and correlative study personnel's extensive concern.
Employed mould can reduce two big types basically in present most of lithium-air battery research: classical Swagelok battery mould (Journal of American Chemistry Society; 2006; 128 (4): 1390-1393) with the employed mould of Yang Shao-Horn seminar of Massachusetts Institute Technology (Electrochemical and Solid-State Letters; 2010,13 (6): A69-A72).These two kinds of moulds can satisfy the research demand of present lithium-air battery to a certain extent basically, but all there is certain defective in they.Because the assembling of lithium-air battery need be carried out in the glove box of anhydrous and oxygen-free; This has just caused when the battery that assembling is accomplished is transferred in air (oxygen) atmosphere; Can be full of argon gas (Ar) in the air cavity of anode top, only before carrying out performance test the argon gas that these are remaining discharge and be replaced as air (oxygen) fully could correct measurement and estimate the performance of lithium-air battery.When using classical Swagelok battery mould; Air (oxygen) gets into from the air cavity the top; The density of adding air (oxygen) is lower than the density of argon gas, thereby exists argon gas to be difficult for the problem of discharging, even before charge-discharge test begins, leave standstill the discharge fully that also is difficult to guarantee argon gas in the air cavity for a long time; Thereby cause the measuring process of actual battery performance under the mixed atmosphere of argon/air (oxygen), to be carried out; Not only can't correctly estimate the actual performance of battery under pure air (oxygen) atmosphere, and repeatedly be difficult to guarantee consistent test atmosphere in the test process, thereby increase the unreliability of test result greatly.The mould of Yang Shao-Horn seminar has solved the problem of thorough discharge argon gas to a certain extent; But air when being to use this mould (oxygen) has directly blown to anodal surface; Thereby accelerated the volatilization of electrolytic solution in the battery operated process, thereby influence the charge-discharge performance and the cyclical stability of lithium-air battery.Simultaneously; In order to analyze the reaction mechanism in the lithium-air battery course of work; The online detection of anodal product and gas is a very important problem; The mould of use Yang Shao-Horn seminar directly blows to anodal surface with air (oxygen) and causes anodal upper gas disturbance excessive easily, thereby makes online testing result have deviation.On the other hand, the mould of Yang Shao-Horn seminar is through 4 bolt both positive and negative polarities around being distributed in, thereby makes the battery cargo handling process loaded down with trivial details, complicated.In addition; Above-mentioned two kinds of moulds all can only be accomplished the lithium-air battery performance test work of single condition; Classical Swagelok mould can only be investigated the runnability of battery in still air (oxygen) atmosphere, and the mould of Yang Shao-Horn seminar then pays attention to investigating the runnability of battery in moving air (oxygen) atmosphere.
In sum, this area lacks a kind of multiduty lithium-air battery mould that can solve thorough discharge argon gas simultaneously, avoid problems such as (or slowing down) solvent evaporates and interference in air flow and can under multiple condition, use flexibly at present.
Summary of the invention
The purpose of the utility model is exactly to provide a kind of in order to overcome the defective that above-mentioned prior art exists and not only can solve thorough discharge argon gas, slow down solvent evaporates, avoid gas directly to blow the problems such as influence to on-line analysis, but also can be through the novel lithium-air battery mould of the test job of battery performance under the simple disassembling section realization gas with various flow state.
The purpose of the utility model can realize through following technical scheme: a kind of novel lithium-air battery mould is characterized in that this battery mould comprises anodal housing; Dismountable inlet channel, dismountable outlet passageway, insulation shell; The negative pole housing, positive wire terminal, negative wire terminal; Described negative pole housing middle part is provided with a projection, and described anodal housing is arranged on negative pole housing top, and described insulation shell is arranged between anodal housing and the negative pole housing; Described anodal housing center is provided with air chamber; Described dismountable inlet channel screws in the air chamber bottom by anodal case top, and described dismountable outlet passageway is arranged on the anode cover body sidewall, and is communicated with air chamber top and outside atmosphere; Described positive wire terminal is arranged on the anodal housing, and described negative wire terminal is arranged on the negative pole housing; During use, the lithium-air battery module is placed on the prominence of said negative pole housing, described anodal housing is arranged on lithium-air battery module top, and through anodal housing the lithium-air battery module is fixed on the projection at negative pole housing middle part.
Described negative pole housing is groove-like, and described projection is arranged on middle part in this groove, and described insulation shell is arranged between external sidewall of anode cover and the negative pole housing groove madial wall.
The inside and outside both sides of described insulation shell are connected with the negative pole housing with anodal housing through screw thread respectively.
Described dismountable inlet channel is through middle part directly over the anodal housing that is threaded, and dismountable inlet channel is through regulating the screw thread oscilaltion adjustment of self, and described dismountable outlet passageway is through the anode cover body sidewall that is threaded.
Described dismountable inlet channel bottom is evenly distributed with a plurality of horizontal gas outlets, gets into the passage of air chamber as gas.
Described horizontal gas outlet is provided with 2～100.
Described air chamber is communicated with lithium-air battery module upper surface.
As long as described anodal housing and negative pole housing material therefor can guarantee that desired electronic conductivity and intensity then do not have special qualification, can be stainless steel, aldary, aluminium alloy, magnesium alloy, nickel alloy, titanium alloy, polyacetylene or line style polyphenyl.
As long as described insulation shell material therefor can guarantee that desired insulating effect and intensity then do not have special qualification, can be teflon, Kynoar, polystyrene, polypropylene, polyimide, phenolics, PVC, polychlorotrifluoroethylene or tygon.
As long as described dismountable inlet channel and dismountable outlet passageway material therefor can guarantee that desired coupling sealing function and intensity then do not have special qualification, can be stainless steel, aldary, aluminium alloy, magnesium alloy, nickel alloy, titanium alloy, polyacetylene or line style polyphenyl.
Compared with prior art; The utility model is provided with dismountable inlet channel and dismountable outlet passageway; And designed equally distributed horizontal gas outlet in the inlet channel lower end; Not only help thoroughly discharging the argon gas of in the electric battery process of assembling, introducing in the air cavity, the volatilization that slows down electrolytic solution in the battery operated process, and be convenient to exactly product in the battery charge and discharge process and gas carried out on-line analysis; In addition, because the design of gas passage demountable structure, this mould is applicable to the multi-usage test under the gas with various flow state.This lithium-air battery mould is easy to assembly, adjustment is flexible, practicality is wide.
Description of drawings
Fig. 1 is novel lithium-air battery mould synoptic diagram;
Fig. 2 is detachable inlet channel enlarged diagram;
Fig. 3 is the B portion enlarged diagram of Fig. 2;
Fig. 4 is the A portion cut-open view of Fig. 2;
Fig. 5 is the vertical view of Fig. 2.
Wherein, The anodal housing of 1-, the dismountable inlet channel of 2-, the horizontal gas outlet of 3-, the dismountable outlet passageway of 4-, 5-insulation shell, 6-negative pole housing, 7-lithium-air battery module, 8-air chamber, 9-positive wire terminal, 10-negative wire terminal, the 11-external thread.
Embodiment
Be described further with concrete method of application below in conjunction with the making of accompanying drawing the disclosed novel lithium-air battery mould of the utility model.
Embodiment 1
Shown in Fig. 1-5, a kind of novel lithium-air battery mould, this battery mould comprises anodal housing 1; Dismountable inlet channel 2, dismountable outlet passageway 4, insulation shell 5; Negative pole housing 6, positive wire terminal 9, negative wire terminal 10; Described negative pole housing 6 is groove-like, and the middle part is provided with a projection in this groove, and lithium-air battery module 7 is arranged on said prominence; Anodal housing 1 is arranged on lithium-air battery module 7 tops, lithium-air battery module 7 is fixed on the projection at negative pole housing 6 middle parts, and described insulation shell 5 is arranged between anodal housing (1) lateral wall and the negative pole housing 6 groove madial walls; Insulation shell 5 inside and outside both sides are connected with negative pole housing 6 with anodal housing 1 through screw thread respectively, and described anodal housing 1 center is provided with air chamber 8, and air chamber 8 is communicated with lithium-air battery module 7 upper surfaces; Described dismountable inlet channel 2 screws in air chamber 8 bottoms by anodal housing 1 top, and through middle part directly over the anodal housing 1 that is threaded, dismountable inlet channel 2 is provided with external thread 11; Through regulating its position of external thread 11 oscilaltions adjustment, dismountable inlet channel 2 bottoms are evenly distributed with three horizontal gas outlets 3 (as shown in Figure 4), get into the passage of air chamber 8 as gas; Described dismountable outlet passageway 4 is through being threaded in anodal housing 1 sidewall; And be communicated with air chamber 8 tops and outside atmosphere, and described positive wire terminal 9 is arranged on the anodal housing 1, and described negative wire terminal 10 is arranged on the negative pole housing 6.
Adopt stainless steel (304) material to make anodal housing 1, detachable inlet channel 2, detachable outlet passageway 4 and negative pole housing 6, positive wire terminal 9 and negative wire terminal 10 respectively; Adopt polytetrafluoroethylmaterial material to make insulation shell 5 then.
The assembling process of lithium-air battery is accomplished in glove box, and concrete assembling process is: the lithium sheet places negative pole housing 6 center protrusion places, drips an amount of electrolytic solution on the lithium sheet; Place barrier film on it, drip an amount of electrolytic solution on the barrier film, utilize insulation shell 5 to be connected with negative pole housing 6 and fix barrier film through screw thread; On barrier film, place negative electrode then; Drip an amount of electrolytic solution on the negative electrode, place current collector again, utilize anodal housing 1 to be connected with insulation shell 5 subsequently and fixing current collector through screw thread.Join detachable inlet channel 2 and detachable outlet passageway 4 through screw thread and anodal housing 1 at last.
Utilize detachable inlet channel 2 bubbling airs (oxygen) appropriate time; Discharge riddles the argon gas in the air cavity of anodal top; Take off detachable inlet channel 2, the perforate in anodal housing 1 centre seals with encapsulating film, utilizes nut to block detachable outlet passageway 4 simultaneously; Place airtight air (oxygen) atmosphere to battery then, connect test circuit battery is carried out charge-discharge test.
Adopt aluminum alloy materials to make anodal housing 1, detachable inlet channel 2, detachable outlet passageway 4 and negative pole housing 6, positive wire terminal 9 and negative wire terminal 10 respectively; Adopt polytetrafluoroethylmaterial material to make insulation shell 5 then.All the other are with embodiment 1.
The electric battery process of assembling is identical with embodiment 1, after the battery assembling is accomplished, utilizes detachable inlet channel 2 bubbling airs (oxygen) appropriate time; Discharge riddles the argon gas in the air cavity of anodal top; Take off detachable inlet channel 2, the perforate in anodal housing 1 centre seals with encapsulating film, utilizes nut to block detachable outlet passageway 4 simultaneously; Place air airtight, that electrolytic solution is saturated (oxygen) atmosphere to battery then, connect test circuit battery is carried out charge-discharge test.
Embodiment 3
Adopt stainless steel (304) material to make anodal housing 1, detachable inlet channel 2, detachable outlet passageway 4 and negative pole housing 6, positive wire terminal 9 and negative wire terminal 10 respectively; Adopt polyvinylidene fluoride material to make insulation shell 5 then.All the other are with embodiment 1.
The electric battery process of assembling is identical with embodiment 1; After the battery assembling is accomplished; Utilize detachable inlet channel 2 bubbling airs (oxygen) appropriate time; Discharge riddles the argon gas in the air cavity of anodal top, continues from detachable inlet channel 2 bubbling airs (oxygen), connects test circuit battery is carried out charge-discharge test.
Embodiment 4:
Adopt aluminum alloy materials to make anodal housing 1, detachable inlet channel 2, detachable outlet passageway 4 and negative pole housing 6, positive wire terminal 9 and negative wire terminal 10 respectively; Adopt polyvinylidene fluoride material to make insulation shell 5 then.All the other are with embodiment 1.
The electric battery process of assembling is identical with embodiment 1; After the battery assembling is accomplished; Utilize detachable inlet channel 2 bubbling airs (oxygen) appropriate time, discharge and riddle the argon gas in the air cavity of anodal top, continue from detachable inlet channel 2 bubbling airs (oxygen); Be statically placed in battery in airtight air (oxygen) atmosphere then, connect test circuit battery is carried out charge-discharge test.
Embodiment 5:
Adopt Cu alloy material to make anodal housing 1, detachable inlet channel 2, detachable outlet passageway 4 and negative pole housing 6, positive wire terminal 9 and negative wire terminal 10 respectively; Adopt polystyrene material to make insulation shell 5 then.Described horizontal gas outlet 3 is provided with 2.All the other are with embodiment 1.
The electric battery process of assembling is identical with embodiment 1; After the battery assembling is accomplished; Utilize detachable inlet channel (2) bubbling air (oxygen) appropriate time; Discharge riddles the argon gas in the air cavity of anodal top, feeds the saturated air (oxygen) of electrolytic solution from detachable inlet channel (2) then, connects test circuit battery is carried out charge-discharge test.
Embodiment 6:
Adopt titanium alloy material to make anodal housing 1, detachable inlet channel 2, detachable outlet passageway 4 and negative pole housing 6, positive wire terminal 9 and negative wire terminal 10 respectively; Adopt polyimide material to make insulation shell 5 then.Described horizontal gas outlet 3 is provided with 10.All the other are with embodiment 1.
The electric battery process of assembling is identical with embodiment 1; After the battery assembling is accomplished; Utilize detachable inlet channel (2) bubbling air (oxygen) appropriate time, discharge and riddle the argon gas in the air cavity of anodal top, feed the saturated air (oxygen) of electrolytic solution from detachable inlet channel (2) then; Place airtight air (oxygen) atmosphere to battery at last, connect test circuit battery is carried out charge-discharge test.
Embodiment 7:
Adopt line style polyphenyl material to make anodal housing 1, detachable inlet channel 2, detachable outlet passageway 4 and negative pole housing 6, positive wire terminal 9 and negative wire terminal 10 respectively; Adopt polychlorotrifluoroethylene material insulation shell 5 then.Described horizontal gas outlet 3 is provided with 100.All the other are with embodiment 1.
The electric battery process of assembling is identical with embodiment 1; After the battery assembling is accomplished, utilize detachable inlet channel (2) bubbling air (oxygen) appropriate time, discharge and riddle the argon gas in the air cavity of anodal top; Continuation is from detachable inlet channel (2) bubbling air (oxygen); Connect test circuit battery is carried out charge-discharge test, simultaneously detachable outlet passageway (4) and analysis instruments such as chromatograph or mass spectrum are linked, effluent air in the lithium-air battery charge and discharge process is carried out on-line analysis.
Embodiment 8:
The electric battery process of assembling is identical with embodiment 1; After the battery assembling is accomplished; Utilize detachable inlet channel (2) bubbling air (oxygen) appropriate time, discharge and riddle the argon gas in the air cavity of anodal top, continue from detachable inlet channel 2 bubbling airs (oxygen); Place airtight air (oxygen) atmosphere to battery then; Connect test circuit battery is carried out charge-discharge test, simultaneously detachable outlet passageway (4) and analysis instruments such as chromatograph or mass spectrum are linked, effluent air in the lithium-air battery charge and discharge process is carried out on-line analysis.
Embodiment 9:
The electric battery process of assembling is identical with embodiment 1; After the battery assembling is accomplished, utilize detachable inlet channel 2 bubbling airs (oxygen) appropriate time, discharge and riddle the argon gas in the air cavity of anodal top; Feed the saturated air (oxygen) of electrolytic solution from detachable inlet channel 2 then; Connect test circuit battery is carried out charge-discharge test, simultaneously detachable outlet passageway 4 and analysis instruments such as chromatograph or mass spectrum are linked, effluent air in the lithium-air battery charge and discharge process is carried out on-line analysis.
Embodiment 10:
The electric battery process of assembling is identical with embodiment 1; After the battery assembling is accomplished; Utilize detachable inlet channel 2 bubbling airs (oxygen) appropriate time, discharge and riddle the argon gas in the air cavity of anodal top, feed the saturated air (oxygen) of electrolytic solution from detachable inlet channel 2 then; Place airtight air (oxygen) atmosphere to battery at last; Connect test circuit battery is carried out charge-discharge test, simultaneously detachable outlet passageway 4 and analysis instruments such as chromatograph or mass spectrum are linked, effluent air in the lithium-air battery charge and discharge process is carried out on-line analysis.
Need to prove; The utility model is not limited to the foregoing description; Any technician who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model; Therefore, the protection domain of the utility model should be as the criterion with the protection domain of claim.
Claims (10)
1. a novel lithium-air battery mould is characterized in that, this battery mould comprises anodal housing (1); Dismountable inlet channel (2), dismountable outlet passageway (4), insulation shell (5); Negative pole housing (6), positive wire terminal (9), negative wire terminal (10); Described negative pole housing (6) middle part is provided with a projection, and described anodal housing (1) is arranged on negative pole housing (6) top, and described insulation shell (5) is arranged between anodal housing (1) and the negative pole housing (6); Described anodal housing (1) center is provided with air chamber (8); Described dismountable inlet channel (2) screws in air chamber (8) bottom by anodal housing (1) top, and described dismountable outlet passageway (4) is arranged on anodal housing (1) sidewall, and is communicated with air chamber (8) top and outside atmosphere; Described positive wire terminal (9) is arranged on the anodal housing (1), and described negative wire terminal (10) is arranged on the negative pole housing (6).
2. a kind of novel lithium-air battery mould according to claim 1; It is characterized in that; Described negative pole housing (6) is groove-like, and described projection is arranged on middle part in this groove, and described insulation shell (5) is arranged between anodal housing (1) lateral wall and negative pole housing (6) the groove madial wall.
3. a kind of novel lithium-air battery mould according to claim 1 and 2 is characterized in that, the inside and outside both sides of described insulation shell (5) are connected with negative pole housing (6) with anodal housing (1) through screw thread respectively.
4. a kind of novel lithium-air battery mould according to claim 1; It is characterized in that; Described dismountable inlet channel (2) is through middle part directly over the anodal housing (1) that is threaded, and described dismountable outlet passageway (4) is through anodal housing (1) sidewall that is threaded.
5. according to claim 1 or 4 described a kind of novel lithium-air battery moulds, it is characterized in that described dismountable inlet channel (2) bottom is evenly distributed with a plurality of horizontal gas outlets (3), gets into the passage of air chamber (8) as gas.
6. a kind of novel lithium-air battery mould according to claim 5 is characterized in that described horizontal gas outlet (3) is provided with 2～100.
7. a kind of novel lithium-air battery mould according to claim 1 is characterized in that, described air chamber (8) is communicated with lithium-air battery module (7) upper surface.
8. a kind of novel lithium-air battery mould according to claim 1; It is characterized in that described anodal housing (1) and negative pole housing (6) are the anodal housing (1) and the negative pole housing (6) of stainless steel, aldary, aluminium alloy, magnesium alloy, nickel alloy, titanium alloy, polyacetylene or the material preparation of line style polyphenyl.
9. a kind of novel lithium-air battery mould according to claim 1; It is characterized in that described insulation shell (5) is the insulation shell (5) of teflon, Kynoar, polystyrene, polypropylene, polyimide, phenolics, PVC, polychlorotrifluoroethylene or polythene material preparation.
10. a kind of novel lithium-air battery mould according to claim 1; It is characterized in that described dismountable inlet channel (2) and dismountable outlet passageway (4) are dismountable inlet channel (2) and dismountable outlet passageway (4) of stainless steel, aldary, aluminium alloy, magnesium alloy, nickel alloy, titanium alloy, polyacetylene or the material preparation of line style polyphenyl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220197482 CN202631710U (en) | 2012-05-02 | 2012-05-02 | Novel lithium air battery mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220197482 CN202631710U (en) | 2012-05-02 | 2012-05-02 | Novel lithium air battery mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202631710U true CN202631710U (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220197482 Expired - Fee Related CN202631710U (en) | 2012-05-02 | 2012-05-02 | Novel lithium air battery mould |
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| CN (1) | CN202631710U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107742739A (en) * | 2017-09-13 | 2018-02-27 | 上海理工大学 | all-solid-state battery mould |
| CN111766517A (en) * | 2020-05-29 | 2020-10-13 | 山东理工大学 | Novel fuel cell mould |
-
2012
- 2012-05-02 CN CN 201220197482 patent/CN202631710U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107742739A (en) * | 2017-09-13 | 2018-02-27 | 上海理工大学 | all-solid-state battery mould |
| CN111766517A (en) * | 2020-05-29 | 2020-10-13 | 山东理工大学 | Novel fuel cell mould |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20150502 |
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| EXPY | Termination of patent right or utility model |