CN107342377A - A kind of high temperature battery - Google Patents
A kind of high temperature battery Download PDFInfo
- Publication number
- CN107342377A CN107342377A CN201710593235.XA CN201710593235A CN107342377A CN 107342377 A CN107342377 A CN 107342377A CN 201710593235 A CN201710593235 A CN 201710593235A CN 107342377 A CN107342377 A CN 107342377A
- Authority
- CN
- China
- Prior art keywords
- articulamentum
- central core
- metal layer
- high temperature
- temperature battery
- 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.)
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Classifications
-
- 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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/183—Sealing members
-
- 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
-
- 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
Abstract
The present invention proposes a kind of high temperature battery, including negative pole housing, negative pole top cover, positive pole housing, insulating ceramics inner ring and the sealing device being arranged between negative pole housing and positive pole housing；Sealing device includes hollow central core, and the first side of the central core is provided with hollow the first articulamentum and the first metal layer, and first articulamentum is arranged between the central core and the first metal layer；Second side of the central core is additionally provided with the second hollow articulamentum and second metal layer, and second articulamentum is arranged between the central core and the second metal layer；The central core is the ceramic layer of insulation.The high temperature battery of this structure, on the whole, its sealing device are the sandwich structure of cermet metal, it is convenient to be attached with the housing of battery etc., compared with the sealing device of existing structure, it has the advantages of simple in construction, good reliability, it is easy to accomplish the connection in series-parallel of battery is in groups.
Description
Technical field
The present invention relates to high-temperature battery field, more particularly to a kind of high temperature battery.
Background technology
In existing electrochemical energy storage technology, high temperature battery such as fuel cell, sodium-sulphur battery and liquid metal cell etc.,
It is that application prospect is very good with feature and advantages such as the collocation outputs of clean environment firendly, energy-efficient, flexible energy and power
Energy storage technology.But for the sealing device of this kind of battery, due to needing to be kept for a long time at a high temperature of hundreds of degrees Celsius
Good sealing, while sealing device also requires it is insulation, can be subjected to the corrosion of active material in high-temperature battery.
In the Seal Design about high temperature liquid metal cell, patent name is " high temperature battery sealing structure
And high temperature battery " (grant number is the U of CN 206003856) patent in, using ceramics with metal interference coordinate and fuse salt
The mode of fluid-tight coordinates realization sealing, insulation and anti-corrosion, but the seal of interference fit is because of material under high temperature
Thermal expansion coefficient difference, the thermal stress of ceramic member can be caused excessive or even cracking etc. occurs, the mode of dual-seal is also difficult to protect
Demonstrate,prove its air-tightness.
In patent of another patent name for " metal seal with ceramic core " (grant number 103502703B), carry
Go out by the use of glassy material as intermediate layer to provide connection, while absorb what the thermal expansion coefficient difference that different materials bond was brought
Deformation.But the seal configuration of above-mentioned technology is complicated, sealing effectiveness is smaller, and the bond effect of glassy material is difficult to keep length
Effect.
In summary, how to provide it is a kind of include simple in construction, good reliability, applied widely, and can batch metaplasia
The high temperature battery of the sealing device of production, into the technical problem of those skilled in the art's urgent need to resolve.
The content of the invention
The technical problem to be solved in the present invention is：There is provided it is a kind of include simple in construction, good reliability, applied widely, with
And can mass production sealing device high temperature battery.
What the solution of the present invention was realized in：The present invention proposes a kind of high temperature battery, including negative pole housing,
Negative pole top cover, positive pole housing, insulate inner housing and the sealing device that is arranged between negative pole housing and positive pole housing；Sealing dress
To put including hollow central core, the first side of the central core is provided with hollow the first articulamentum and the first metal layer, and described
One articulamentum is arranged between the central core and the first metal layer；Second side of the central core is additionally provided with hollow
Two articulamentums and second metal layer, second articulamentum are arranged between the central core and the second metal layer；It is described
Central core is the ceramic layer of insulation.The high temperature battery of this structure, on the whole, its sealing device are metal-ceramic-gold
The sandwich structure of category, convenient to be attached with the housing of battery etc., compared with the seal of existing structure, it has structure letter
The advantages of list, good reliability, it is easy to accomplish the connection in series-parallel of battery is in groups.Simultaneously as its model and specification can be entered as needed
Row adjustment, therefore its is applied widely, can carry out mass production as needed.
Another technical scheme of the present invention is that on above-mentioned basis one end of the negative pole housing fills with the sealing
The upper end put is fixedly connected by welding, and one end of the positive pole housing passes through the company of being welded and fixed with the lower end of the sealing device
Connect.
Another technical scheme of the present invention is that on above-mentioned basis the central core of the sealing device is non-oxidized substance
Class insulating ceramics, its material are one or more combinations in silicon nitride, aluminium nitride, boron nitride.
The present invention another technical scheme be it is above-mentioned basis on, the material of the first metal layer and second metal layer
Matter is respectively one or more combinations in nickel base superalloy, titanium-base alloy, invar alloy, kovar alloy, stainless steel.
The present invention another technical scheme be it is above-mentioned basis on, first articulamentum and the second articulamentum metal
Paillon foil, the tinsel is one layer, or is combined by multiple layer metal paillon foil；First articulamentum and the second articulamentum can
Think same or different.
Another technical scheme of the present invention is on above-mentioned basis, the thickness of every layer of tinsel between 5~
500μm。
Another technical scheme of the present invention is on above-mentioned basis, the material of the tinsel is titanium, nickel, gold,
One or more combinations in silver, copper, aluminium, molybdenum, niobium, kovar alloy, stainless steel alloy.
The present invention another technical scheme be it is above-mentioned basis on, first articulamentum and the second articulamentum by
Molybdenum/3 layers of copper/titanium layer of metal foil combines, and titanium paillon foil is close to intermediate layer side, and molybdenum paillon foil is close to metal outer
Side, 10-4Under Pa vacuum environment, 60 minutes are incubated after being heated to 1100 degrees Celsius, and cool to normal temperature with the furnace.
The present invention another technical scheme be it is above-mentioned basis on, the first metal layer, second metal layer and institute
State and be respectively equipped with articulamentum between central core, pass through transient liquid phase diffusion welding.
Another technical scheme of the present invention is on above-mentioned basis, according to the thermal coefficient of expansion and material of the central core
Matter selects matching the first articulamentum and the second articulamentum.The present invention is prepared from transient liquid phase diffusion welding technology
The sandwich seal of " metal-ceramic-metal ", sealing device is between positive pole housing and negative pole housing, and by exhausted
Edge inner ring directly contacts with both positive and negative polarity active material, can avoid sealing device articulamentum and cell active materials and its steam generation
Chemical reaction, causes corrosion；There is fabulous air-tightness simultaneously.
The high temperature battery of this structure, correspondingly, it may have advantage possessed by sealing device, i.e., it is simple in construction, reliable
Property it is good, while also there is applied widely, the advantages of being easy to mass production.Monomer battery structure is simple, it is easy to accomplish string is simultaneously
Group is unified into, effectively lifts the energy density of battery pile.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.
Fig. 1 is a kind of structural representation of high temperature battery of the present invention；
Fig. 2 is the schematic cross-sectional view of A-A in Fig. 1；
Fig. 3 is the structural representation of Fig. 2 sealing devices.
Reference corresponding relation is：
The articulamentum of 1 central core, 2 first articulamentum 3 second
The sealing device of 4 the first metal layer, 5 second metal layer 6
The negative pole top cover of 7 positive pole housing, 8 negative pole housing 9
The negative pole of 10 insulating ceramics inner ring, 11 negative pole drainage bar 12
The positive pole of 13 electrolyte 14
Embodiment
The present invention will be described in detail below in conjunction with the accompanying drawings, and the description of this part is only exemplary and explanatory, should not
There is any restriction effect to protection scope of the present invention.In addition, description of the those skilled in the art according to this document, can be right
Feature in this document in embodiment and in different embodiments carries out respective combination.
The embodiment of the present invention is as follows, refers to high temperature battery and its sealing device shown in Fig. 1 to Fig. 3, high temperature electricity
Pond includes negative pole housing 8, negative pole top cover 9, positive pole housing 7, insulation inner housing 10 and is arranged at negative pole housing 8 and positive pole housing
Sealing device 6 between 7.Sealing device 6 specifically includes the central core 1 in hollow form, i.e. the middle part of central core 1 is provided with through hole,
First side of central core 1, i.e., the upside shown in figure are provided with hollow the first articulamentum 2 and the first metal layer 4, and the first connection
Layer 2 is arranged between central core 1 and the first metal layer 4.Equally, the second side of central core 1, i.e., the downside shown in figure also are provided with
The second hollow articulamentum 3 and second metal layer 5, the second articulamentum 3 are arranged between central core 1 and second metal layer 5, and
Through hole is through the first metal layer 4, the first articulamentum 2, central core 1, the second articulamentum 3 and second metal layer 5.Central core 1 is
Ceramic layer, i.e. its material are ceramics.The high temperature battery of this structure, on the whole, its sealing device 6 form metal-
The sandwich structure of ceramic-metal, convenient to be attached with the housing of battery etc., it has simple in construction, good reliability, is easy to
Connection in series-parallel in groups the advantages of.Simultaneously as its model and specification can be adjusted as needed, therefore its is applied widely, can
Mass production is carried out as needed.
On the basis of above-described embodiment, in another embodiment of the present invention, one end of negative pole housing 8, i.e., shown in figure
Lower end and the upper end of sealing device 6 are fixedly connected by welding, and the upper end of positive pole housing 7 passes through weldering with the lower end of sealing device 6
Connect and be fixedly connected.
It is preferably non-when central core 1 is ceramic layer in another embodiment of the present invention on the basis of above-described embodiment
Oxide-based insulating ceramics, the one or more combinations being specifically as follows in silicon nitride, aluminium nitride, boron nitride etc..
On the basis of above-described embodiment, in another embodiment of the present invention, for the first metal layer 4 and second metal layer 5,
Its material can be respectively one kind in nickel base superalloy, titanium-base alloy, invar alloy, kovar alloy, stainless steel etc. or its
In multiple combinations.It should be noted that the material of the first metal layer 4 and second metal layer 5 can be with identical, can also be different.
On the basis of above-described embodiment, in another embodiment of the present invention, for the first articulamentum 2 and the second articulamentum 3,
It is preferably tinsel, in one embodiment, tinsel can be one layer, can also be combined by multiple layer metal paillon foil and
Into.
On the basis of above-described embodiment, in another embodiment of the present invention, and the thickness of every layer of tinsel is preferably between 5
~500 μm.
On the basis of above-described embodiment, in another embodiment of the present invention, for the material of tinsel, preferably titanium,
One or more combinations in nickel, gold, silver, copper, aluminium, molybdenum, niobium, kovar alloy, stainless steel alloy etc..
On the basis of above-described embodiment, it is necessary to explanation, the first articulamentum 2 and the in another embodiment of the present invention
Two articulamentums 3 include molybdenum paillon foil, copper metal paillon foil and titanium paillon foil respectively, titanium paillon foil close to the side of central core 1,
Molybdenum paillon foil is close to the first metal outer 4 and second metal layer 4,5 sides, 10-4Under Pa vacuum environment, 1100 are heated to
60 minutes are incubated after degree Celsius, and cools to normal temperature with the furnace.
On the basis of above-described embodiment, in another embodiment of the present invention, for the first metal layer 4, second metal layer 5 with
Connected mode between the central core 1, preferably transient liquid phase diffusion welding, that is, use and make intermediate course than tinsel,
When being heated to connect temperature, intermediate layer fusing, moment liquid film is formed on faying face, in insulating process, with low melting point
Diffusion of the constituent element to mother metal, thickness of liquid film reduce until disappearing, then make homogenization of composition through the insulation of certain time therewith.
On the basis of above-described embodiment, negative pole 12 and positive pole 14 are additionally provided with another embodiment of the present invention, in housing, such as
Shown in Fig. 2, negative pole 12 is arranged at the top on electrolyte 13 or the inside of electrolyte 13, is additionally provided with negative pole 12 for negative pole
12 draw the negative pole drainage bar 11 of housing, and positive pole 14 is then arranged at the lower section of electrolyte 13, more specifically, under positive pole 14
End contacts with the bottom of housing, the both sides of positive pole 14 and the interior side contacts of insulation inner ring 10, upper end and the electrolyte 13 of positive pole 14
Lower end in contact.
The high temperature battery of this structure, correspondingly, it may have advantage possessed by sealing device 6, i.e., it is simple in construction, reliable
Property it is good, while also there is applied widely, the advantages of being easy to mass production.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of high temperature battery, it is characterised in that including negative pole housing (8), negative pole top cover (9), positive pole housing (7), insulation
Ceramic inner ring (10) and the sealing device (6) being arranged between negative pole housing (8) and positive pole housing (7)；
The sealing device (6) includes hollow central core (1), and the first side of the central core (1) is provided with hollow first and connected
Layer (2) and the first metal layer (4) are connect, first articulamentum (2) is arranged at the central core (1) and the first metal layer
(4) between；Second side of the central core (1) is additionally provided with hollow the second articulamentum (3) and second metal layer (5), and described
Two articulamentums (3) are arranged between the central core (1) and the second metal layer (5)；The central core (1) is the pottery of insulation
Enamel coating.
2. high temperature battery according to claim 1, it is characterised in that one end of the negative pole housing (8) with it is described close
The upper end of seal apparatus (6) is fixedly connected by welding, one end of the positive pole housing (7) and the lower end of the sealing device (6)
It is fixedly connected by welding.
3. high temperature battery according to claim 2, it is characterised in that the central core (1) of the sealing device (6) is non-
Oxide-based insulating ceramics, its material are one or more combinations in silicon nitride, aluminium nitride, boron nitride.
4. high temperature battery according to claim 3, it is characterised in that the first metal layer (4) and second metal layer
(5) material is respectively one or more groups in nickel base superalloy, titanium-base alloy, invar alloy, kovar alloy, stainless steel
Close.
5. high temperature battery according to claim 4, it is characterised in that first articulamentum (2) and the second articulamentum
(3) it is tinsel, the tinsel is one layer, or is combined by multiple layer metal paillon foil；First articulamentum (2) and second
Articulamentum (3) can be same or different.
6. high temperature battery according to claim 5, it is characterised in that the thickness of every layer of tinsel between 5~
500μm。
7. high temperature battery according to claim 6, it is characterised in that the material of the tinsel be titanium, nickel, gold,
One or more combinations in silver, copper, aluminium, molybdenum, niobium, kovar alloy, stainless steel alloy.
8. high temperature battery according to claim 7, it is characterised in that first articulamentum (2) and the second articulamentum
(3) include molybdenum paillon foil, copper metal paillon foil and titanium paillon foil respectively, the titanium paillon foil close to central core (1) side,
The molybdenum paillon foil is close to the first metal layer (4) and second metal layer (5) side, and 10-4Under Pa vacuum environment,
60 minutes are incubated after being heated to 1100 degrees Celsius, and cools to normal temperature with the furnace.
9. high temperature battery according to claim 8, it is characterised in that the first metal layer (4), second metal layer
(5) transient liquid phase diffusion welding is passed through between the central core (1).
10. high temperature battery according to claim 9, it is characterised in that according to the thermal coefficient of expansion of the central core (1)
Matching the first articulamentum (2) and the second articulamentum (3) are selected with material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710593235.XA CN107342377A (en) | 2017-07-20 | 2017-07-20 | A kind of high temperature battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710593235.XA CN107342377A (en) | 2017-07-20 | 2017-07-20 | A kind of high temperature battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107342377A true CN107342377A (en) | 2017-11-10 |
Family
ID=60217192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710593235.XA Pending CN107342377A (en) | 2017-07-20 | 2017-07-20 | A kind of high temperature battery |
Country Status (1)
| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006069753A1 (en) * | 2004-12-28 | 2006-07-06 | Technical University Of Denmark | Method of producing metal to glass, metal to metal or metal to ceramic connections |
| CN103502703A (en) * | 2011-04-22 | 2014-01-08 | 原子能和替代能源委员会 | Metal seal having ceramic core |
| CN104124459A (en) * | 2014-07-22 | 2014-10-29 | 西安交通大学 | Square liquid metal battery device and assembling method thereof |
| CN105130486A (en) * | 2014-05-23 | 2015-12-09 | 通用电气公司 | Method for joining ceramic to metal and sealing structure thereof |
| CN205355092U (en) * | 2015-12-25 | 2016-06-29 | 东莞威胜储能技术有限公司 | High temperature sealant battery |
| CN206003856U (en) * | 2016-08-30 | 2017-03-08 | 威胜集团有限公司 | High temperature battery sealing structure and high temperature battery |
-
2017
- 2017-07-20 CN CN201710593235.XA patent/CN107342377A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006069753A1 (en) * | 2004-12-28 | 2006-07-06 | Technical University Of Denmark | Method of producing metal to glass, metal to metal or metal to ceramic connections |
| CN103502703A (en) * | 2011-04-22 | 2014-01-08 | 原子能和替代能源委员会 | Metal seal having ceramic core |
| CN105130486A (en) * | 2014-05-23 | 2015-12-09 | 通用电气公司 | Method for joining ceramic to metal and sealing structure thereof |
| CN104124459A (en) * | 2014-07-22 | 2014-10-29 | 西安交通大学 | Square liquid metal battery device and assembling method thereof |
| CN205355092U (en) * | 2015-12-25 | 2016-06-29 | 东莞威胜储能技术有限公司 | High temperature sealant battery |
| CN206003856U (en) * | 2016-08-30 | 2017-03-08 | 威胜集团有限公司 | High temperature battery sealing structure and high temperature battery |
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Application publication date: 20171110 |
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