CN105789544A - Connecting piece of sodium-sulfur battery and connecting method - Google Patents
Connecting piece of sodium-sulfur battery and connecting method Download PDFInfo
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- CN105789544A CN105789544A CN201610301585.XA CN201610301585A CN105789544A CN 105789544 A CN105789544 A CN 105789544A CN 201610301585 A CN201610301585 A CN 201610301585A CN 105789544 A CN105789544 A CN 105789544A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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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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Abstract
The invention discloses a connecting piece of a sodium-sulfur battery. The connecting piece comprises a first welding section, a second welding section and a stress relief section, wherein the first welding section is attached to a negative pole lug of a first sodium-sulfur battery; the second welding section is attached to a positive pole lug of a second sodium-sulfur battery; the stress relief section is used for connecting the first welding section and the second welding section; a first screw hole is formed in the first welding section, and is used for connecting the first welding section and the negative pole lug of the first sodium-sulfur battery; a second screw hole is formed in the second welding section and is used for connecting the second welding section and the positive pole lug of the second sodium-sulfur battery. The invention also discloses a connecting method of the sodium-sulfur battery. The connecting piece of the sodium-sulfur battery has the beneficial effects that the connecting resistance between the sodium-sulfur batteries is reduced, the connecting reliability of the sodium-sulfur battery is improved, the stress between the sodium-sulfur batteries is released, and the replacement of the sodium-sulfur batteries is convenient.
Description
Technical field
The present invention relates to a kind of sodium-sulphur battery connector and method of attachment.
Background technology
Sodium-sulphur battery lug and connector generally use aluminum alloy materials, under 290 DEG C～360 DEG C running temperatures, the Surface Creation aluminium oxide of aluminium alloy, this aluminium oxide is on thickness or structure and uneven, but owing to aluminium oxide is insulator, reduce the surface conductivity of aluminium alloy.
In battery connection area, compression engagement is a kind of conventional battery connected mode, this mode assembly and disassembly are simple, and battery will not be caused damage, but compression engagement is not particularly suited for the connection between the battery of sodium-sulphur battery group, because between aluminium alloy compression engagement face not being complete and air exclusion, in long term high temperature running, aluminium oxide can generate in aluminum alloy surface, this can increase connection resistance, cause battery charge and discharge process produces extra heat, reduce the efficiency of set of cells.It is CN102169978 at publication number, name is called in the patent application of nickel coated aluminum battery cell tab to report anodized aluminum compression engagement body have the resistance of about 250 μ Ω, great majority application is all not suitable for by so big resistance, and general acceptable compression engagement bulk resistor is generally at 10～50 μ Ω.
In order to make the connection resistance between sodium-sulphur battery of a sufficiently low, the alumina layer on positive pole ear, negative lug and sodium-sulphur battery connector surface must be completely removed before splicing, and must assure that composition surface is completely and air exclusion upon engagement, so as to aluminium oxide will not be generated on composition surface in long-term hot operation process, conjugant resistance is made to be maintained at 10～100 μ Ω.Use argon arc welding or method for laser welding can remove the alumina layer on positive pole ear, negative lug and sodium-sulphur battery connector surface, and composition surface is complete and air exclusion.The heat that both approaches produces is more, prevent the sealing-in position that heat is delivered to sodium-sulphur battery from producing thermal stress and cause that sealing-in was lost efficacy, in order to avoid this problem, it is necessary to what be designed positive pole ear, negative lug and sodium-sulphur battery connector making heat the least possible is delivered to sealing-in position.Additionally, would be likely to occur stress between battery after sodium-sulphur battery connection, therefore connect the design needing release stress in the design of sodium sulfur fitting.Finally, due to argon arc welding or method for laser welding belong to irreversible method, when a joint sodium-sulphur battery generally required replacing when losing efficacy in set of cells, therefore the design of sodium-sulphur battery connector it is also necessary to take into account that the operability and cost of changing sodium-sulphur battery.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, thering is provided a kind of sodium-sulphur battery connector and method of attachment, it reduces the connection resistance between sodium-sulphur battery, improves the reliability that sodium-sulphur battery connects, stress between release sodium-sulphur battery, is conveniently replaceable sodium-sulphur battery in addition.
A kind of technical scheme realizing above-mentioned purpose is: a kind of sodium-sulphur battery connector, including the first welding section for fitting with the negative lug of the first sodium-sulphur battery, for the second welding section fitted with the positive pole ear of the second sodium-sulphur battery, and connect described first welding section and the Stress Release section of described second welding section；
Described first welding section is provided with the first screw for the negative lug of described first welding section with described first sodium-sulphur battery being connected, and described second welding section is provided with the second screw for being connected by the positive pole ear of described second welding section with described second sodium-sulphur battery.
Further, described sodium-sulphur battery connector is made up of 1XXX series alloys, 2XXX series aluminum copper alloy, 3XXX series aluminum manganese alloy, 5XXX series aluminum magnesium alloy, 6XXX series aluminum silicon alloy or 7XXX series aluminum kirsite.
Further, the described annealed process of sodium-sulphur battery connector.
Further, described first welding section and described second welding section are all vertically arranged, and the two ends correspondence of described Stress Release section connects the top of described first welding section and the top of described second welding section, described Stress Release section be shaped as ∩ shape or level.
Further, described first welding section and described second welding section are all vertically arranged, the two ends correspondence of described Stress Release section connects the bottom of described first welding section and the bottom of described second welding section, described Stress Release section be shaped as herringbone or level.
Further, described first welding section is vertically arranged, described second welding section is horizontally disposed, described Stress Release section is Z-shaped, one end of described Stress Release section connects the top of described first welding section, and the other end of described Stress Release section connects the fixing end of described second welding section.
Another technical scheme provided by the invention is: a kind of sodium-sulphur battery method of attachment, comprises the following steps:
By the screw on the first welding section of sodium-sulphur battery connector, and coordinating of stud and nut, the negative lug of described first welding section and the first sodium-sulphur battery is connected, and make the negative lug of described first welding section and described first sodium-sulphur battery fit；
By the screw on the second welding section of described sodium-sulphur battery connector, and coordinating of stud and nut, the positive pole ear of described second welding section and the second sodium-sulphur battery is connected, and make the positive pole ear of described second welding section and described second sodium-sulphur battery fit；
By Laser Welding or argon arc welding, the negative lug of described first welding section Yu described first sodium-sulphur battery is fixed, the positive pole ear of described second welding section Yu described second sodium-sulphur battery is fixed.
Further; the negative lug of described sodium-sulphur battery connector and described first sodium-sulphur battery; and before the positive pole ear of described second sodium-sulphur battery connects; described sodium-sulphur battery connector is annealed under inert atmosphere protection or in natural atmosphere processing; the temperature of annealing is 380～550 DEG C, and the time of annealing is 2～3 hours.
Further, after sodium-sulphur battery has connected, at the sawed-off described sodium-sulphur battery connector of the Stress Release section of described sodium-sulphur battery connector, described first sodium-sulphur battery or the replacing of described second sodium-sulphur battery can be carried out.
Have employed the technical scheme of a kind of sodium-sulphur battery connector of the present invention, including the first welding section for fitting with the negative lug of the first sodium-sulphur battery, for the second welding section fitted with the positive pole ear of the second sodium-sulphur battery, and connect described first welding section and the Stress Release section of described second welding section；Described first welding section is provided with the first screw for the negative lug of described first welding section with described first sodium-sulphur battery being connected, and described second welding section is provided with the second screw for being connected by the positive pole ear of described second welding section with described second sodium-sulphur battery.It has the technical effect that it reduces the connection resistance between sodium-sulphur battery, improve the reliability that sodium-sulphur battery connects, when carrying out the weld job of its positive pole ear with sodium-sulphur battery or negative lug, the heat produced is few, be conducive to the stress between release sodium-sulphur battery, be easy to the replacing of sodium-sulphur battery in addition.
A kind of technical scheme of the sodium-sulphur battery method of attachment of the present invention, comprise the following steps: by the screw on the first welding section of sodium-sulphur battery connector, with coordinating of stud and nut, the negative lug of described first welding section and the first sodium-sulphur battery is connected, and makes the negative lug of described first welding section and described first sodium-sulphur battery fit；
By the screw on the second welding section of described sodium-sulphur battery connector, and coordinating of stud and nut, the positive pole ear of described second welding section and the second sodium-sulphur battery is connected, and make the positive pole ear of described second welding section and described second sodium-sulphur battery fit；
By Laser Welding or argon arc welding, the negative lug of described first welding section Yu described first sodium-sulphur battery is fixed, the positive pole ear of described second welding section Yu described second sodium-sulphur battery is fixed.
It also can realize above-mentioned technique effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of a kind of sodium-sulphur battery connector of the present invention.
Fig. 2 is the structural representation of the second embodiment of a kind of sodium-sulphur battery connector of the present invention.
Fig. 3 is the structural representation of the 3rd embodiment of a kind of sodium-sulphur battery connector of the present invention.
Fig. 4 is the structural representation of the 4th embodiment of a kind of sodium-sulphur battery connector of the present invention.
Detailed description of the invention
Referring to Fig. 1 to Fig. 4, the present inventor, in order to enable better technical scheme to be understood, below by specifically embodiment, and is described in detail in conjunction with accompanying drawing:
A kind of sodium-sulphur battery connector of the present invention, including the first welding section 1, the second welding section 2, and connects the Stress Release section 3 of the first welding section 1 and the second welding section 2.Wherein Stress Release section 3 can be designed to various different shape, make a kind of sodium-sulphur battery connector of present invention cross sectional shape on vertical section take the shape of the letter U respectively, the different shape such as W type, T-shaped and groove type, such design can discharge the stress between two sodium-sulphur batteries.
First welding section 1 is provided with the first screw 11 that can match with the negative lug of the first sodium-sulphur battery, and the first welding section 1 is the first solder side 12 towards the one side of the negative lug of the first sodium-sulphur battery.First solder side 12 is close to the negative lug of the first sodium-sulphur battery, and the first welding section 1 is by the first screw 11, and the cooperation of stud and nut, it may be achieved the pre-connection of the negative lug of the first sodium-sulphur battery and the first welding section 1.First solder side 12 contacts with the negative lug face of the first sodium-sulphur battery, laser weld or argon arc welding that first screw 11 is next step first solder side 12 carried out and the negative lug of the first sodium-sulphur battery play positioning action, eliminate welding positioning tooling fixture, also allow for the width of weld seam during laser weld or the argon arc welding reducing the negative lug carrying out the first solder side 12 and the first sodium-sulphur battery, improve the quality of welding, reduce weld defect, the heat produced when reducing welding.
Second welding section 2 is provided with the second screw 21 that can match with the positive pole ear of the second sodium-sulphur battery, and the second welding section 2 is the second solder side 22 towards the one side of the positive pole ear of the second sodium-sulphur battery.Second solder side 22 is close to the positive pole ear of the second sodium-sulphur battery, and the second welding section 2 is by the second screw 21, and the cooperation of stud and nut, it may be achieved the positive pole ear of the second sodium-sulphur battery and the pre-connection of the second welding section 2.Second solder side 22 contacts with the positive pole ear face of the second sodium-sulphur battery, laser weld or argon arc welding that second screw 21 is next step second solder side 22 carried out and the positive pole ear of the second sodium-sulphur battery play positioning action, eliminate welding positioning tooling fixture, also allow for the width of weld seam during laser weld or the argon arc welding reducing the positive pole ear carrying out the first solder side 22 and the first sodium-sulphur battery, improve the quality of welding, reduce weld defect, reduce produced heat during welding.
After having welded, take off the stud and nut that are positioned at the first screw 11 and the second screw 21 place.
When in sodium-sulphur battery group, one joint sodium-sulphur battery lost efficacy when needing to change, the sodium-sulphur battery connector corresponding with this sodium-sulphur battery blocks Stress Release section 3, after more renewing sodium-sulphur battery, the Stress Release section 3 of two the sodium-sulphur battery connectors corresponding with this sodium-sulphur battery, corresponding to laser weld or argon arc welding, corresponding with the negative lug of new sodium-sulphur battery and positive pole ear fix.
A kind of sodium-sulphur battery connector of the present invention, being made up of aluminum alloy materials, aluminum alloy materials can be: 1XXX series alloys, 2XXX series aluminum copper alloy, 3XXX series aluminum manganese alloy, 5XXX series aluminum magnesium alloy, 6XXX series aluminum silicon alloy or 7XXX series aluminum kirsite.In addition; a kind of sodium-sulphur battery connector of the present invention can pass through uniform temperature; and the annealing under the protection of noble gas or natural atmosphere reduces its hardness; strengthen its toughness; increase the ability of stress between a kind of sodium-sulphur battery connector two sodium-sulphur batteries of release of the present invention further, also allow for the replacing of sodium-sulphur battery in sodium-sulphur battery group.
Embodiment one
Referring to Fig. 1, in first embodiment, sodium-sulphur battery connector vertical section be shaped as ∩ shape, including the first welding section 1 being vertically arranged, the second welding section 2 being vertically arranged, and connect the first welding section 1 top and the second welding section 2 top, the Stress Release section 3 of ∩.This sodium-sulphur battery connector is made up of 1060 aluminium alloys, is incubated 2 hours through 400 DEG C under inert gas shielding before using, and furnace cooling annealing, reduces its hardness afterwards.
First solder side 12 of the first welding section 1 and the negative lug laminating of the first sodium-sulphur battery, first screw 11 of the first welding section 1 is played pre-connection with the screw in the negative lug of the first sodium-sulphur battery by the locking cooperation of stud and nut and is welded positioning action, the first weld seam 4 formed between first solder side 12 and the negative lug of the first sodium-sulphur battery of the first welding section 1 is the welding position between the first welding section 1 and the negative lug of the first sodium-sulphur battery, and the first weld seam 4 position and length can be adjusted according to design requirement.
Second solder side 22 of the second welding section 2 and the positive pole ear laminating of the second sodium-sulphur battery, second screw 21 of the second welding section 2 is played pre-connection with the screw on the positive pole ear of the second sodium-sulphur battery by the locking cooperation of stud and nut and is welded positioning action, the welding position of the positive pole ear that the second weld seam 5 is the second welding section 2 and the second sodium-sulphur battery formed between the second solder side 22 and the positive pole ear of the second sodium-sulphur battery of the second welding section 2, the second weld seam 5 position and length can be adjusted according to design requirement.
Sodium-sulphur battery connector can block in Stress Release section 3, carries out the replacing of sodium-sulphur battery, then by Stress Release section 3 with change after the positive pole ear of sodium-sulphur battery or negative lug solder joints.Therefore the annealing of sodium-sulphur battery connector is conducive to the replacing of sodium-sulphur battery.
Using in the process that negative lug or the negative lug of sodium-sulphur battery are welded by argon arc welding welding with sodium-sulphur battery connector, the temperature at sodium-sulphur battery sealing-in position is surveyed less than 50 DEG C, meets the requirement to variations in temperature of the sealing-in position.
The conjugant formed after a kind of sodium sulfur connector of the present embodiment and the positive pole ear of sodium-sulphur battery or negative lug are engaged by argon arc welding, the resistance of this conjugant after running 30 days at 20 DEG C, 330 DEG C and 330 DEG C, as shown in table 1, when 20 DEG C, the resistance of this conjugant is 20～50 μ Ω, when 330 DEG C, the resistance of this conjugant is 80～100 μ Ω, and 330 DEG C are run the resistance of this conjugant after 30 days is 80～110 μ Ω.
Table 1 conjugant resistance synopsis
| Conjugant sequence number | 20 DEG C of resistance (μ Ω) | 330 DEG C of resistance (μ Ω) | 330 DEG C are run 30 days resistance (μ Ω) |
| 1# | 35 | 94 | 96 |
| 2# | 42 | 85 | 83 |
| 3# | 25 | 100 | 102 |
Embodiment two
Referring to Fig. 2, in the second embodiment, sodium-sulphur battery connector vertical section be shaped as W shape, including the first welding section 1 being vertically arranged, the second welding section 2 being vertically arranged, and connect the first welding section 1 bottom and the second welding section 2 bottom, lambdoid Stress Release section 3.This sodium-sulphur battery connector is made up of 3003 alumals, is incubated 2 hours through 550 DEG C under inert gas shielding before using, and furnace cooling annealing, reduces its hardness afterwards.
First solder side 12 of the first welding section 1 and the negative lug laminating of the first sodium-sulphur battery, first screw 11 of the first welding section 1 is played pre-connection with the screw in the negative lug of the first sodium-sulphur battery by the locking cooperation of stud and nut and is welded positioning action, the first weld seam 4 formed between first solder side 12 and the negative lug of the first sodium-sulphur battery of the first welding section 1 is the welding position between the first welding section 1 and the negative lug of the first sodium-sulphur battery, and the first weld seam 4 position and length can be adjusted according to design requirement.
Second solder side 22 of the second welding section 2 and the positive pole ear laminating of the second sodium-sulphur battery, second screw 21 of the second welding section 2 is played pre-connection with the screw on the positive pole ear of the second sodium-sulphur battery by the locking cooperation of stud and nut and is welded positioning action, the welding position of the positive pole ear that the second weld seam 5 is the second welding section 2 and the second sodium-sulphur battery formed between the second solder side 22 and the positive pole ear of the second sodium-sulphur battery of the second welding section 2, the second weld seam 5 position and length can be adjusted according to design requirement.
Sodium-sulphur battery connector can block in Stress Release section 3, carries out the replacing of sodium-sulphur battery, then by Stress Release section 3 with change after the positive pole ear of sodium-sulphur battery or negative lug solder joints.Therefore the annealing of sodium-sulphur battery connector is conducive to the replacing of sodium-sulphur battery.
Using in the process that negative lug or the negative lug of sodium-sulphur battery are welded by argon arc welding welding with sodium-sulphur battery connector, the temperature at sodium-sulphur battery sealing-in position is surveyed less than 45 DEG C, meets the requirement to variations in temperature of the sealing-in position.
Embodiment three
Referring to Fig. 3, in the 3rd embodiment, sodium-sulphur battery connector vertical section be shaped as T-shaped, including the first welding section 1 being vertically arranged, horizontally disposed second welding section 2, and connect the first welding section 1 top and the fixing end of the second welding section 2, Z-shaped Stress Release section 3.This sodium-sulphur battery connector is made up of 6060 alusil alloys, and before using, 425 DEG C under natural atmosphere is protected are incubated 2 hours, and furnace cooling annealing, reduces its hardness afterwards.
First solder side 12 of the first welding section 1 and the negative lug laminating of the first sodium-sulphur battery, first screw 11 of the first welding section 1 is played pre-connection with the screw in the negative lug of the first sodium-sulphur battery by the locking cooperation of stud and nut and is welded positioning action, the first weld seam 4 formed between first solder side 12 and the negative lug of the first sodium-sulphur battery of the first welding section 1 is the welding position between the first welding section 1 and the negative lug of the first sodium-sulphur battery, and the first weld seam 4 position and length can be adjusted according to design requirement.
Second solder side 22 of the second welding section 2 and the positive pole ear laminating of the second sodium-sulphur battery, second screw 21 of the second welding section 2 is played pre-connection with the screw on the positive pole ear of the second sodium-sulphur battery by the locking cooperation of stud and nut and is welded positioning action, the welding position of the positive pole ear that the second weld seam 5 is the second welding section 2 and the second sodium-sulphur battery formed between the second solder side 22 and the positive pole ear of the second sodium-sulphur battery of the second welding section 2, the second weld seam 5 position and length can be adjusted according to design requirement.
Sodium-sulphur battery connector can block in Stress Release section 3, carries out the replacing of sodium-sulphur battery, then by Stress Release section 3 with change after the positive pole ear of sodium-sulphur battery or negative lug solder joints.Therefore the annealing of sodium-sulphur battery connector is conducive to the replacing of sodium-sulphur battery.
Embodiment four
Referring to Fig. 1, in first embodiment, sodium-sulphur battery connector vertical section be shaped as groove type, including the first welding section 1 being vertically arranged, the second welding section 2 being vertically arranged, and connect the first welding section 1 bottom and the second welding section 2 bottom, the Stress Release section 3 of level.This sodium-sulphur battery connector is made up of 5086 almags, and before using, 380 DEG C under inert gas shielding are incubated 2 hours, and furnace cooling annealing, reduces its hardness afterwards.
First solder side 12 of the first welding section 1 and the negative lug laminating of the first sodium-sulphur battery, first screw 11 of the first welding section 1 is played pre-connection with the screw in the negative lug of the first sodium-sulphur battery by the locking cooperation of stud and nut and is welded positioning action, the first weld seam 4 formed between first solder side 12 and the negative lug of the first sodium-sulphur battery of the first welding section 1 is the welding position between the first welding section 1 and the negative lug of the first sodium-sulphur battery, and the first weld seam 4 position and length can be adjusted according to design requirement.
Second solder side 22 of the second welding section 2 and the positive pole ear laminating of the second sodium-sulphur battery, second screw 21 of the second welding section 2 is played pre-connection with the screw on the positive pole ear of the second sodium-sulphur battery by the locking cooperation of stud and nut and is welded positioning action, the welding position of the positive pole ear that the second weld seam 5 is the second welding section 2 and the second sodium-sulphur battery formed between the second solder side 22 and the positive pole ear of the second sodium-sulphur battery of the second welding section 2, the second weld seam 5 position and length can be adjusted according to design requirement.
Sodium-sulphur battery connector can block in Stress Release section 3, carries out the replacing of sodium-sulphur battery, then by Stress Release section 3 with change after the positive pole ear of sodium-sulphur battery or negative lug solder joints.Therefore the annealing of sodium-sulphur battery connector is conducive to the replacing of sodium-sulphur battery.
Those of ordinary skill in the art will be appreciated that, above embodiments is intended merely to the explanation present invention, and it is not used as limitation of the invention, as long as in the spirit of the present invention, to the change of embodiment described above, modification all by the Claims scope dropping on the present invention.
Claims (9)
1. a sodium-sulphur battery connector, including the first welding section for fitting with the negative lug of the first sodium-sulphur battery, for the second welding section fitted with the positive pole ear of the second sodium-sulphur battery, and connect described first welding section and the Stress Release section of described second welding section, it is characterised in that:
Described first welding section is provided with the first screw for the negative lug of described first welding section with described first sodium-sulphur battery being connected, and described second welding section is provided with the second screw for being connected by the positive pole ear of described second welding section with described second sodium-sulphur battery.
2. a kind of sodium-sulphur battery connector according to claim 1, it is characterised in that: described sodium-sulphur battery connector is made up of 1XXX series alloys, 2XXX series aluminum copper alloy, 3XXX series aluminum manganese alloy, 5XXX series aluminum magnesium alloy, 6XXX series aluminum silicon alloy or 7XXX series aluminum kirsite.
3. a kind of sodium-sulphur battery connector according to claim 1, it is characterised in that: the described annealed process of sodium-sulphur battery connector.
4. a kind of sodium-sulphur battery connector according to claim 1, it is characterized in that: described first welding section and described second welding section are all vertically arranged, the two ends correspondence of described Stress Release section connects the top of described first welding section and the top of described second welding section, described Stress Release section be shaped as ∩ shape or level.
5. a kind of sodium-sulphur battery connector according to claim 1, it is characterized in that: described first welding section and described second welding section are all vertically arranged, the two ends correspondence of described Stress Release section connects the bottom of described first welding section and the bottom of described second welding section, described Stress Release section be shaped as herringbone or level.
6. a kind of sodium-sulphur battery connector according to claim 1, it is characterized in that: described first welding section is vertically arranged, described second welding section is horizontally disposed, described Stress Release section is Z-shaped, one end of described Stress Release section connects the top of described first welding section, and the other end of described Stress Release section connects the fixing end of described second welding section.
7. a sodium-sulphur battery method of attachment, comprises the following steps:
By the screw on the first welding section of sodium-sulphur battery connector, and coordinating of stud and nut, the negative lug of described first welding section and the first sodium-sulphur battery is connected, and make the negative lug of described first welding section and described first sodium-sulphur battery fit；
By the screw on the second welding section of described sodium-sulphur battery connector, and coordinating of stud and nut, the positive pole ear of described second welding section and the second sodium-sulphur battery is connected, and make the positive pole ear of described second welding section and described second sodium-sulphur battery fit；
By Laser Welding or argon arc welding, the negative lug of described first welding section Yu described first sodium-sulphur battery is fixed, the positive pole ear of described second welding section Yu described second sodium-sulphur battery is fixed.
8. a kind of sodium-sulphur battery method of attachment according to claim 7; it is characterized in that: by the negative lug of described sodium-sulphur battery connector Yu described first sodium-sulphur battery; and before the positive pole ear of described second sodium-sulphur battery connects; described sodium-sulphur battery connector is annealed under inert atmosphere protection or in natural atmosphere processing; the temperature of annealing is 380～550 DEG C, and the time of annealing is 2～3 hours.
9. a kind of sodium-sulphur battery method of attachment according to claim 7, it is characterized in that: after sodium-sulphur battery has connected, at the sawed-off described sodium-sulphur battery connector of the Stress Release section of described sodium-sulphur battery connector, described first sodium-sulphur battery or the replacing of described second sodium-sulphur battery can be carried out.
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| WO2007083697A1 (en) * | 2006-01-18 | 2007-07-26 | Sanoh Kogyo Kabushiki Kaisha | Cell set connecting plate |
| CN101652880A (en) * | 2007-02-09 | 2010-02-17 | 江森自控帅福得先进能源动力系统有限责任公司 | The bus-bar that is used for battery |
| CN202503055U (en) * | 2011-12-16 | 2012-10-24 | 日本碍子株式会社 | Connecting structure of high temperature operation type battery |
| EP2535965A1 (en) * | 2011-06-17 | 2012-12-19 | Robert Bosch Gmbh | Connector for electrical connections and method for connecting electrical components |
-
2016
- 2016-05-09 CN CN201610301585.XA patent/CN105789544A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007083697A1 (en) * | 2006-01-18 | 2007-07-26 | Sanoh Kogyo Kabushiki Kaisha | Cell set connecting plate |
| CN101652880A (en) * | 2007-02-09 | 2010-02-17 | 江森自控帅福得先进能源动力系统有限责任公司 | The bus-bar that is used for battery |
| EP2535965A1 (en) * | 2011-06-17 | 2012-12-19 | Robert Bosch Gmbh | Connector for electrical connections and method for connecting electrical components |
| CN202503055U (en) * | 2011-12-16 | 2012-10-24 | 日本碍子株式会社 | Connecting structure of high temperature operation type battery |
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