CN109738813A - A kind of multi-functional lithium-air battery test device and test method - Google Patents
A kind of multi-functional lithium-air battery test device and test method Download PDFInfo
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- CN109738813A CN109738813A CN201910015911.4A CN201910015911A CN109738813A CN 109738813 A CN109738813 A CN 109738813A CN 201910015911 A CN201910015911 A CN 201910015911A CN 109738813 A CN109738813 A CN 109738813A
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Abstract
Present disclose provides a kind of multi-functional lithium-air battery test device and test methods.Wherein, multi-functional lithium-air battery test device includes sealable test chamber；It is provided at least one battery testing seat in the test chamber, lithium-air battery to be measured is provided on the battery testing seat, the anode and cathode of lithium-air battery to be measured have been connected respectively positive wire and negative wire；The positive wire and negative wire stretch out test chamber, and connecting test circuit；Air inlet pipe, one end protrude into test chamber；When to test interacvity air-filling, the other end of the air inlet pipe connects gas source, and when in test chamber full of the gas in gas source, air inlet pipe is disconnected with gas source and the end is sealed；Escape pipe, one end protrude into test chamber；When to test interacvity air-filling, the other end of the escape pipe is connected to when in test chamber full of the gas in gas source with outside air, which is sealed.
Description
Technical field
The disclosure belongs to battery testing field more particularly to a kind of multi-functional lithium-air battery test device and test side
Method.
Background technique
Only there is provided background technical informations relevant to the disclosure for the statement of this part, it is not necessary to so constitute first skill
Art.
Lithium-air battery, as cathode, is reacted with air or oxygen using lithium metal, generates the theoretical energy of superelevation
Density is ten times of lithium ion battery currently on the market or more, can meet long range electric vehicle and want to battery system
It asks, is considered one of most promising next-generation energy-storage system at present.The development of lithium-air battery still in the primary stage, compared with
Early battery tester is that had using the Swagelok pattern of stainless steel material, which dismantles when in use is easy, test
Relatively convenient.However Swagelok type lithium-air battery testing mould battery needs to be clamped by screw, leads to each electricity
Pressure transient is tested in pond, and too high or too low pressure can cause cell electrode structure deformation failure, internal short-circuit or inside to be held
Road phenomenon, and the mold is once only capable of one battery of test, and single mold price is up to thousands of members, it is expensive, test at
This is excessively high.
103293482 A of Chinese patent application CN discloses a kind of simple button lithium-air battery test device, in electricity
One battery testing pedestal is set in the test device of pond, has the advantages that stable structure, demolition and maintenance are convenient.Inventor's discovery
This application has the following problems: being disposably only capable of one battery of test, when multiple batteries are needed while being tested, needs to survey
Examination air inlet pipe carries out series, parallel or mixed connection assembling respectively, cumbersome；And not to test device internal atmosphere humidity
Effective Regulation, test environment it is relatively single.
Summary of the invention
According to the one aspect of one or more other embodiments of the present disclosure, a kind of multi-functional lithium-air battery test is provided
Device can realize air/CO of purity oxygen, pure carbon dioxide or certain humidity2/O2Lithium-air battery test, it is multi-functional
Property is strong, simple to operation.
A kind of multi-functional lithium-air battery test device of the disclosure, comprising:
Sealable test chamber；At least one battery testing seat is provided in the test chamber, on the battery testing seat
It is provided with lithium-air battery to be measured, the anode and cathode of lithium-air battery to be measured have been connected respectively positive wire and cathode
Lead；The positive wire and negative wire stretch out test chamber, and connecting test circuit；
Air inlet pipe, one end protrude into test chamber；When to test interacvity air-filling, the other end connection of the air inlet pipe
Gas source, when in test chamber full of the gas in gas source, air inlet pipe is disconnected with gas source and the end is sealed；
Escape pipe, one end protrude into test chamber；When to test interacvity air-filling, the other end of the escape pipe and outer
When in test chamber full of the gas in gas source, which is sealed boundary's air communication.
In the disclosure, test chamber is hollow cavity, such as: test chamber is bottle body, passes through thread bottle at the top of bottle body
Lid is connected with body, belongs to detachable.
In one or more embodiments, humidity controlled chamber is additionally provided in the test chamber.
In one or more embodiments, the humidity controlled chamber is used to be contained with the salt of molecular sieve, desiccant or saturation
Solution, to regulate and control the humidity of different atmosphere.
In one or more embodiments, the test chamber and positive wire, negative wire and air inlet pipe and an air outlet pipe
Junction be provided with sealing ring.
In one or more embodiments, after air inlet pipe and gas source disconnect, air inlet pipe is closed using the first sealing-plug.
In one or more embodiments, after in test chamber full of the gas in gas source, escape pipe uses the second sealing-plug
Closing.
In one or more embodiments, the test chamber is provided with dismountable test chamber sealing.
According to the other side of one or more other embodiments of the present disclosure, provide a kind of based on multi-functional lithium air electricity
The test method of pond test device.
A kind of test method based on multi-functional lithium-air battery test device of the disclosure, for testing lithium oxygen
Pond；
The test method, comprising:
Lithium oxygen battery is mounted in battery testing seat, and desiccant is added into humid control room；
Closed test chamber, and the air inlet pipe and an air outlet pipe for stretching out test chamber is sealed；
The seal of air inlet pipe and an air outlet pipe is opened under air environment, it is more by air inlet pipe by purity oxygen preset time
Residual air body is overflowed by escape pipe, is then turned off oxygen supply, seals the seal of air inlet pipe and an air outlet pipe immediately；
By positive wire and negative wire connecting test circuit, electrochemical property test is carried out to lithium oxygen battery.
A kind of test method based on multi-functional lithium-air battery test device of the disclosure, for testing lithium titanium dioxide
Carbon battery；
The test method, comprising:
Lithium carbon dioxide battery is mounted in battery testing seat, and desiccant is added into humid control room；
Closed test chamber, and the air inlet pipe and an air outlet pipe for stretching out test chamber is sealed；
The seal that air inlet pipe and an air outlet pipe is opened under air environment, when being preset by air inlet pipe by pure carbon dioxide
Between, excessive gas is overflowed by escape pipe, is then turned off carbon dioxide supply, is sealed the seal of air inlet pipe and an air outlet pipe immediately；
By positive wire and negative wire connecting test circuit, chemical property survey is carried out to lithium carbon dioxide battery
Examination.
A kind of test method based on multi-functional lithium-air battery test device of the disclosure, for testing lithium air electricity
Chemical property of the pond under certain air humidity；
The test method, comprising:
Lithium-air battery is pressed into battery testing seat, the salt that saturation is added in the humid control room into test chamber is molten
Liquid seals the air inlet pipe and an air outlet pipe for stretching out test chamber；
By positive wire and negative wire connecting test circuit, electrochemical property test is carried out to lithium-air battery, is obtained
To the electrochemical performance data of the lithium-air battery corresponded in corresponding saturated salt solution under closed environment humidity.
The beneficial effect of the disclosure is:
(1) it is provided at least one battery testing seat in the test chamber of the disclosure, is provided with lithium to be measured on battery testing seat
Air cell can disposably test multiple lithium-air batteries in this way, realize the efficient utilization of test chamber, simplified more batteries
The troublesome operation step of test；
(2) air inlet pipe of the disclosure connects gas source, so that the lithium-air battery test device realization purity oxygen of the disclosure,
Air/CO of pure carbon dioxide or certain humidity2/O2Lithium-air battery test, it is multi-functional strong, it is simple to operation；
(3) the lithium-air battery structure of the disclosure is simple, good airproof performance (air tight in 6 months), tests atmosphere stabilization；
(4) the lithium-air battery test device of the disclosure is low in cost, to the laboratory stage of existing lithium-air battery
Develop of great advantage.
Detailed description of the invention
The Figure of description for constituting a part of this disclosure is used to provide further understanding of the disclosure, the disclosure
Illustrative embodiments and their description do not constitute the improper restriction to the disclosure for explaining the disclosure.
Fig. 1 is the structural schematic diagram of the multi-functional lithium-air battery test device embodiment of the disclosure；
Fig. 2 is the horizontal profile schematic diagram of the multi-functional lithium-air battery test device embodiment of the disclosure；
Fig. 3 is the top view of the multi-functional lithium-air battery test device embodiment of the disclosure.
In figure: 1 test chamber；2 seal washers；3 humidity controlled chambers；4 battery testing seats；5 positive wires；6 negative wires；7
Air inlet pipe；8 escape pipes；9 sealing-plugs.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the disclosure.Unless
Otherwise indicated, all technical and scientific terms used herein has and disclosure person of an ordinary skill in the technical field
Normally understood identical meanings.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the disclosure.As used herein, unless the context clearly indicates otherwise, otherwise singular shape
Formula be also intended to include plural form, additionally, it should be understood that, when in the present specification use term "comprising" and/or
When " comprising ", existing characteristics, step, operation, device, component and/or their combination are indicated.
For existing lithium-air battery test device is at high cost, test step is cumbersome, volume is heavy, in test device
Atmosphere moisture such as can not freely regulate and control at the great number of issues, and purpose of this disclosure is to provide a kind of portable and multi-functional lithium air electricity
Pond test device.
Embodiment 1:
As shown in Figure 1, the multi-functional lithium-air battery test device of the present embodiment, the device specifically include test chamber 1,
Seal washer 2, humidity controlled chamber 3, battery testing seat 4, positive wire 5, negative wire 6, air inlet pipe 7, escape pipe 8 and sealing
Plug 9.
Battery testing seat 4 is connect with positive wire 5 and negative wire 6.In the present embodiment, contain 4 in a test chamber
A battery testing seat.Positive wire 5, negative wire 6, air inlet pipe 7 and escape pipe 8, which pass through, enters exterior space at the top of test chamber；
Test chamber in the multi-functional lithium-air battery test device of the present embodiment uses Bottle structure, wherein bottle body top
Portion is provided with bottle cap, and belongs to detachable structure with body.
In the present embodiment, using polypropylene material test chamber 1, seal washer 2 uses polyethylene, air inlet pipe 7 and goes out
Tracheae 8 uses silicone tube, and sealing-plug 9 uses metal material.
Being assembled in argon gas glove box for button lithium oxygen battery carries out, and battery is pressed into battery in glove box and is surveyed
It tries in seat 4, dry 4A molecular sieve desiccant is added to humidity controlled chamber 3, tightens the lid of test chamber, sealing-plug is filled in
Entry/exit stomata is sealed, finally outside the taking-up glove box being sealed；Under air environment open two sealing-plugs, by into
By purity oxygen 5 minutes, excessive gas was overflowed stomata by venthole, is then turned off oxygen supply, and filled in immediately with sealing-plug
Entry/exit stomata is sealed；Finally, battery test apparatus is connected by positive/negative lead, such as blue electrical measurement test system LAND-
CT2001A carries out electrochemical property test to lithium oxygen battery.
Wherein, the aperture of 4A molecular sieve is 4A, adsorbs water, methanol, ethyl alcohol, hydrogen sulfide, sulfur dioxide, carbon dioxide, second
Alkene, propylene do not adsorb any molecule (including propane) that diameter is greater than 4A, are higher than any other to the adsorption selectivity of water
Molecule is one of maximum molecular sieve kind of industrial dosage.
Desiccant refers to the substance that can remove moisture in moist substance, is often divided into two classes: chemical drier, such as calcium sulfate
With calcium chloride etc., it is dried by generating hydrate in conjunction with water；Physical dryness agent, such as silica gel and activated alumina, lead to
Physical absorption water is crossed to be dried.
Embodiment 2
In the present embodiment use polytetrafluoroethylene (PTFE) material test chamber 1, seal washer use polyester material, air inlet pipe 7 and go out
Tracheae 8 uses quartz ampoule, and sealing-plug 9 uses rubber material, and other structures and composition are same as Example 1, not superfluous herein
It states.
Being assembled in argon gas glove box for button lithium carbon dioxide battery carries out, and battery is pressed into electricity in glove box
In pond test bench 4, dry 4A molecular sieve desiccant is added to humidity controlled chamber 3, tightens test chamber lid, and use sealing-plug
Entry/exit stomata is filled in be sealed, it finally will be outside the taking-up glove box that be sealed；Two sealing-plugs are opened under air environment,
By air inlet by pure carbon dioxide oxygen 10 minutes, excessive gas is overflowed by venthole, is then turned off carbon dioxide gas
Supply, and entry/exit port sealing is filled in sealing-plug immediately；Finally, by positive/negative lead connecting test circuit, to lithium two
It aoxidizes carbon battery and carries out electrochemical property test.
Embodiment 3
Glass material test chamber 1 is used in the present embodiment, air inlet pipe 7 and escape pipe 8 use stainless steel tube, and sealing-plug 9 is adopted
With rubber material, other structures and composition are same as Example 1, and it will not be described here.
Button lithium-air battery is assembled in argon gas glove box, then directly takes out battery outside glove box, is pressed into
In battery testing seat, the lithium chloride solution of saturation is added in the humid control room in test chamber, finally tightens test chamber lid,
And sealing-plug is carried out electrochemical property test to lithium-air battery, is just obtained by positive/negative lead connecting test circuit beyond the Great Wall
To the electrochemical performance data of the lithium-air battery under 15% or so air humidity.
Embodiment 4
Other structures and composition are same as Example 1 in the present embodiment, and it will not be described here.
Button lithium-air battery is assembled in argon gas glove box, then directly takes out battery outside glove box, is pressed into
In battery testing seat, the calcium chloride solution of saturation is added in the humid control room in test chamber, finally tightens test chamber lid,
And sealing-plug is carried out electrochemical property test to lithium-air battery, is just obtained by positive/negative lead connecting test circuit beyond the Great Wall
To the electrochemical performance data of the lithium-air battery under 31% or so air humidity.
Embodiment 5
Other structures and composition are same as Example 1 in the present embodiment, and it will not be described here.
Button lithium-air battery is assembled in argon gas glove box, then directly takes out battery outside glove box, is pressed into
In battery testing seat, the solution of potassium carbonate of saturation is added in the humid control room in test chamber, finally tightens test chamber lid,
And sealing-plug is carried out electrochemical property test to lithium-air battery, is just obtained by positive/negative lead connecting test circuit beyond the Great Wall
To the electrochemical performance data of the lithium-air battery under 43% or so air humidity.
Embodiment 6
Other structures and composition are same as Example 1 in the present embodiment, and it will not be described here.
Button lithium-air battery is assembled in argon gas glove box, then directly takes out battery outside glove box, is pressed into
In battery testing seat, the sodium bromide solution of saturation is added in the humid control room in test chamber, finally tightens test chamber lid,
And sealing-plug is carried out electrochemical property test to lithium-air battery, is just obtained by positive/negative lead connecting test circuit beyond the Great Wall
To the electrochemical performance data of the lithium-air battery under 57% or so air humidity.
Embodiment 7
Other structures and composition are same as Example 1 in the present embodiment, and it will not be described here.
Button lithium-air battery is assembled in argon gas glove box, then directly takes out battery outside glove box, is pressed into
In battery testing seat, the sodium chloride solution of saturation is added in the humid control room in test chamber, finally tightens test chamber lid,
And sealing-plug is carried out electrochemical property test to lithium-air battery, is just obtained by positive/negative lead connecting test circuit beyond the Great Wall
To the electrochemical performance data of the lithium-air battery under 75% or so air humidity.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to the disclosure, not the disclosure is protected
The limitation of range, those skilled in the art should understand that, on the basis of the technical solution of the disclosure, those skilled in the art
Member does not need to make the creative labor the various modifications or changes that can be made still within the protection scope of the disclosure.
Claims (10)
1. a kind of multi-functional lithium-air battery test device characterized by comprising
Sealable test chamber；It is provided at least one battery testing seat in the test chamber, is arranged on the battery testing seat
There is lithium-air battery to be measured, the anode and cathode of lithium-air battery to be measured have been connected respectively positive wire and negative wire；
The positive wire and negative wire stretch out test chamber, and connecting test circuit；
Air inlet pipe, one end protrude into test chamber；When to test interacvity air-filling, the other end of the air inlet pipe connects gas source,
When in test chamber full of the gas in gas source, air inlet pipe is disconnected with gas source and the end is sealed；
Escape pipe, one end protrude into test chamber；When to test interacvity air-filling, the other end and outside air of the escape pipe
When in test chamber full of the gas in gas source, which is sealed for connection.
2. multi-functional lithium-air battery test device as described in claim 1, which is characterized in that also set up in the test chamber
There is humidity controlled chamber.
3. multi-functional lithium-air battery test device as claimed in claim 2, which is characterized in that the humidity controlled chamber is used for
It is contained with the salting liquid of molecular sieve, desiccant or saturation, to regulate and control the humidity of different atmosphere.
4. multi-functional lithium-air battery test device as described in claim 1, which is characterized in that the test chamber draws with anode
The junction of line, negative wire and air inlet pipe and an air outlet pipe is provided with sealing ring.
5. multi-functional lithium-air battery test device as described in claim 1, which is characterized in that air inlet pipe and gas source disconnect
Afterwards, air inlet pipe is closed using the first sealing-plug.
6. multi-functional lithium-air battery test device as described in claim 1, which is characterized in that full of in gas source in test chamber
Gas after, escape pipe using the second sealing-plug close.
7. multi-functional lithium-air battery test device as described in claim 1, which is characterized in that the test chamber is provided with can
The test chamber of disassembly seals.
8. a kind of test method based on multi-functional lithium-air battery test device such as of any of claims 1-7,
It is characterized in that, for testing lithium oxygen battery；
The test method, comprising:
Lithium oxygen battery is mounted in battery testing seat, and desiccant is added into humid control room；
Closed test chamber, and the air inlet pipe and an air outlet pipe for stretching out test chamber is sealed；
The seal that air inlet pipe and an air outlet pipe is opened under air environment passes through purity oxygen preset time, extra gas by air inlet pipe
Body is overflowed by escape pipe, is then turned off oxygen supply, seals the seal of air inlet pipe and an air outlet pipe immediately；
By positive wire and negative wire connecting test circuit, electrochemical property test is carried out to lithium oxygen battery.
9. a kind of test method based on multi-functional lithium-air battery test device such as of any of claims 1-7,
It is characterized in that, for testing lithium carbon dioxide battery；
The test method, comprising:
Lithium carbon dioxide battery is mounted in battery testing seat, and desiccant is added into humid control room；
Closed test chamber, and the air inlet pipe and an air outlet pipe for stretching out test chamber is sealed；
The seal of air inlet pipe and an air outlet pipe is opened under air environment, it is more by air inlet pipe by pure carbon dioxide preset time
Residual air body is overflowed by escape pipe, is then turned off carbon dioxide supply, is sealed the seal of air inlet pipe and an air outlet pipe immediately；
By positive wire and negative wire connecting test circuit, electrochemical property test is carried out to lithium carbon dioxide battery.
10. a kind of test method based on multi-functional lithium-air battery test device such as of any of claims 1-7,
It is characterized in that, for testing chemical property of the lithium-air battery under certain air humidity；
The test method, comprising:
Lithium-air battery is pressed into battery testing seat, the salting liquid of saturation is added in the humid control room into test chamber, it will
Stretch out the air inlet pipe and an air outlet pipe sealing of test chamber；
By positive wire and negative wire connecting test circuit, electrochemical property test is carried out to lithium-air battery, is obtained
Corresponding saturated salt solution corresponds to the electrochemical performance data of the lithium-air battery under closed environment humidity.
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| CN201910015911.4A CN109738813A (en) | 2019-01-08 | 2019-01-08 | A kind of multi-functional lithium-air battery test device and test method |
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| CN201910015911.4A CN109738813A (en) | 2019-01-08 | 2019-01-08 | A kind of multi-functional lithium-air battery test device and test method |
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