CN106706466A - Testing device for solid content of lithium ion battery component - Google Patents
Testing device for solid content of lithium ion battery component Download PDFInfo
- Publication number
- CN106706466A CN106706466A CN201710048910.0A CN201710048910A CN106706466A CN 106706466 A CN106706466 A CN 106706466A CN 201710048910 A CN201710048910 A CN 201710048910A CN 106706466 A CN106706466 A CN 106706466A
- Authority
- CN
- China
- Prior art keywords
- ion battery
- lithium
- framework
- solids content
- testing
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 239000007787 solid Substances 0.000 title claims abstract description 34
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 239000011229 interlayer Substances 0.000 claims description 20
- 230000005855 radiation Effects 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 10
- 230000005619 thermoelectricity Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 6
- 230000004580 weight loss Effects 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000013072 incoming material Substances 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 208000016261 weight loss Diseases 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/16—Investigating or analyzing materials by the use of thermal means by investigating thermal coefficient of expansion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
- G01N5/045—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder for determining moisture content
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a testing device for solid content of a lithium ion battery component. The testing device comprises a frame body, a heating system, a supporting device and a master control module, wherein the heating system is electrically connected with the master control module; the supporting device is arranged on the frame body, and is used for supporting an object placed on the supporting device; and the heating system is used for heating the object in the device. With the adoption of the testing device for the solid content of the lithium ion battery component, the testing uniformity and the testing reliability are greatly improved; a testing error can be reduced; solid content or liquid weight loss of incoming materials of testing raw materials and procedure products can be determined; material heating contractility testing can confirm whether the raw materials and the products are within technological requirements or not and can judge whether the solid content or the contractility of the testing materials is qualified or not; poor products can be timely found and cannot be used; procedure control can be further reached; and cost waste caused by wrong processing can be reduced.
Description
Technical field
The invention belongs to field of measuring technique, more particularly to a kind of lithium-ion battery module solids content test device.
Background technology
At present, in the manufacturing process of lithium ion battery, moisture must be controlled strictly in pole piece, moisture pair in pole piece
Lithium ion battery influence is huge, can mainly cause following adverse consequences：When the moisture of inside battery can be with the electrolysis of inside battery
Liquid reacts, and its product is gas and hydrofluoric acid, and gas can make battery case that swelling occurs, and hydrofluoric acid is a kind of corrosivity
Very strong acid, it can corrode the metal parts of inside battery, and then make the final leakage of battery, ultimately cause the mistake of lithium battery
Effect.Majority lithium battery manufacturer is mainly using micro- in karl-Fischer method and weight-loss method measure electrodes of lithium-ion batteries at present
Water, weight-loss method determines minor amount of water, and error is larger.
Pole piece solids content and liquid weight loss do not have standard after present lithium ion battery raw material, slurry, coating
Measured material, therefore, producing a kind of test device that can carry out solids content turns into what those skilled in the art's needs were solved
Technical problem.
The content of the invention
In order to overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of lithium-ion battery module solids content
Test device, its technical problem that can solve the test of lithium-ion battery module solids content.
The purpose of the present invention is realized using following technical scheme：
A kind of lithium-ion battery module solids content test device, including framework, heating system, support meanss and master control mould
Block；The heating system is electrically connected with main control module, and the support meanss are arranged in framework, and the support meanss are used to support
Object thereon is put in, the heating system is used to heat the object in the device.
Preferably, also including temperature setting module and clock setting module, the temperature setting module and clock setting mould
Block is electrically connected with main control module.
Preferably, the support meanss are interlayer net, and the quantity of the interlayer net has multiple.
Preferably, the interlayer net is bonding jumper or heat-resistant net.
Preferably, also including heat radiation plate, the heat radiation plate is arranged at interlayer net lower section, and the heating system is arranged at
Between heat radiation plate and interlayer net.
Preferably, also including cooling system, the cooling system is arranged at the framework top.
Preferably, the cooling system is radiator fan.
Preferably, the framework is heat-insulated framework.
Preferably, also including thermocouple, the thermocouple is arranged in framework, and the thermocouple electrically connects with main control module
Connect.
Compared to existing technology, the beneficial effects of the present invention are：
By using use lithium-ion battery module solids content test device of the invention, it is consistent that it greatly promotes test
Property, reliability, and test error can be reduced.And can determine to test the solids content of raw material supplied materials and process product
Or whether the test of liquid weight loss, material heat shrinkable confirms raw material and product in technological requirement, and judge to test material
Whether material solid content or shrinkage are qualified, can in time find bad products, such that it is able to not use bad products, and then reach
Process control, reduces the cost waste that mistake processing is caused.
Brief description of the drawings
Fig. 1 is the structure chart of lithium-ion battery module solids content test device of the invention；
Fig. 2 is the schematic block circuit diagram of lithium-ion battery module solids content test device of the invention.
Reference：1st, interlayer net；2nd, heating system；3rd, cooling system；4th, heat radiation plate；5th, framework；6th, temperature setting
Module；7th, clock setting module；8th, thermocouple.
Specific embodiment
Below, with reference to accompanying drawing and specific embodiment, the present invention is described further：
As depicted in figs. 1 and 2, the invention provides a kind of lithium-ion battery module solids content test device, so as to carry
A kind of standard that can measure pole piece solids content and liquid weight loss after lithium ion battery raw material, slurry, coating has been supplied to survey
Examination fixture, it includes that framework 5, heating system 2, cooling system 3, thermocouple 8, support meanss, temperature setting module 6, clock set
Cover half block 7 and main control module；The temperature setting module 6, clock setting module 7, thermocouple 8, heating system 2 with master control mould
Block is electrically connected with；The temperature setting module 6 is used to set the heating-up temperature of the test device, and the clock setting module 7 is used to set
The heat time of the fixed test device, the thermocouple 8 is used to measuring the temperature in framework 5 in test process, such that it is able to compare
The size of temperature and set temperature value in current framework 5, so that the temperature adjusted in framework 5 is identical with set temperature value；
The heating system 2 is arranged in the framework 5, and the heating system 2 is used to add the object in the framework 5
Heat；The heating system 2 can be using firing equipments such as heat-generating pipe or heating wire；The thermocouple 8 is arranged in framework 5,
The framework 5 is heat-insulated framework；Certain temperature can be caused to be kept in the measurement apparatus by heat-insulated framework so that measurement effect
Fruit is more preferably；
The support meanss are arranged in framework 5, and the support meanss are used to support the object being put in thereon, the support dress
Interlayer net 1 is set to, the quantity of the interlayer net 1 has multiple, and the interlayer net 1 is bonding jumper or heat-resistant net；The device also includes
Heat radiation plate 4, the heat radiation plate 4 is arranged at the lower section of interlayer net 1, and the heating system 2 is arranged at heat radiation plate 4 and interlayer
Between net 1；The interlayer net 1 is set in parallel in inside framework 5, and its vessel for being used to place test material simultaneously plays protection heating system
The effect of system 2；The effect of the heat radiation plate 4 is the tested material on heat radiation to the interlayer net 1 for producing heating system 2
So that its be heated it is more abundant；
The cooling system 3 is arranged in the framework 5, and optimal selection is that the cooling system 3 is arranged at into the framework 5
Top, enables to heat extraction enhanced convenience, and the cooling system 3 is radiator fan；By control the keying of radiator fan come
Temperature in control framework 5, or louvre can also be set on the top of the framework 5, by the louvre of the framework 5 by
Liquid vapour discharge inside framework 5.
The principle of the lithium-ion battery module solids content of the present embodiment：
The clock setting device 6 in measurement apparatus of the invention can be used during the implementation, it would however also be possible to employ outward
The time set in portion carries out timing, and the mode to the timing of clock setting device 6 in the measurement apparatus in described below is carried out
Detailed description, manual time-keeping is similarly；
S1, the weight that vessel are measured using weighing device, remember the weight for M1, and test material is positioned over into the measuring appliance
On ware, remember that the weight is M2；The weighing device is outside weighing device and the weighing device included in non-invention, and it can
Being electronic balance etc.；
S2：Temperature setting module 6 is set to corresponding temperature according to technological requirement；
S3：Confirm whether the temperature that thermocouple 8 is measured is identical with the temperature that temperature setting module 6 is measured；
S4：To be contained with the interlayer net 1 that the vessel of test material are positioned in framework 5；
S5：The heated baking time is set in clock setting module 7；
S6：After the heated baking time is reached, the vessel are taken out and are positioned on weighing device and is weighed, remember this
When weight be M3；
S7：The lithium ion battery solids content is calculated according to solid content computing formula X=(M2-M1)/M3 × 100%.
The principle of the Material shrinkage test of the lithium-ion battery module of the present embodiment：
S1：The dimensions length of the test material before measurement heating, and length now is designated as R1；
S2：Temperature setting module 6 is set to corresponding temperature according to technological requirement；
S3：Confirm whether the temperature that thermocouple 8 is measured is identical with the temperature that temperature setting module 6 is measured；
S4：To be contained with the interlayer net 1 that the vessel of test material are positioned in framework 5；
S5：The heated baking time is set in clock setting module 7；
S6：After the heated baking time is reached, the material is taken out, and after the test material is cooled into room temperature, to it
Length dimension is measured, and its length is designated as into R2；
S7：The shrinkage factor of the material is calculated according to Material shrinkage rate formula (R1-R2)/R1 × 100%.
The lithium-ion battery module solids content test device of the present embodiment greatly improves test one and makes peace reliability, and
Reduce test error；Can accurately determine that whether its solids content and shrinkage factor within the scope of technological requirement, make
Obtaining more easily carries out the test of lithium-ion battery module solids content and Material shrinkage test.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (9)
1. a kind of lithium-ion battery module solids content test device, it is characterised in that including framework, heating system, support dress
Put and main control module；The heating system is electrically connected with main control module, and the support meanss are arranged in framework, support dress
Put for supporting the object being put in thereon, the heating system is used to heat the object in the framework.
2. lithium-ion battery module solids content test device as claimed in claim 1, it is characterised in that also set including temperature
Cover half block and clock setting module, the temperature setting module and clock setting module are electrically connected with main control module.
3. lithium-ion battery module solids content test device as claimed in claim 1, it is characterised in that the support meanss
It is interlayer net, the quantity of the interlayer net has multiple.
4. lithium-ion battery module solids content test device as claimed in claim 3, it is characterised in that the interlayer net is
Bonding jumper or heat-resistant net.
5. lithium-ion battery module solids content test device as claimed in claim 4, it is characterised in that also including heat radiation
Plate, the heat radiation plate is arranged at interlayer net lower section, and the heating system is arranged between heat radiation plate and interlayer net.
6. lithium-ion battery module solids content test device as claimed in claim 1, it is characterised in that be also including radiating
System, the cooling system is arranged in the framework.
7. lithium-ion battery module solids content test device as claimed in claim 6, it is characterised in that the cooling system
It is radiator fan.
8. lithium-ion battery module solids content test device as claimed in claim 1, it is characterised in that the framework be every
Hot framework.
9. lithium-ion battery module solids content test device as claimed in claim 1, it is characterised in that also including thermoelectricity
Even, the thermocouple is arranged in framework, and the thermocouple is electrically connected with main control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710048910.0A CN106706466A (en) | 2017-01-20 | 2017-01-20 | Testing device for solid content of lithium ion battery component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710048910.0A CN106706466A (en) | 2017-01-20 | 2017-01-20 | Testing device for solid content of lithium ion battery component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106706466A true CN106706466A (en) | 2017-05-24 |
Family
ID=58909337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710048910.0A Pending CN106706466A (en) | 2017-01-20 | 2017-01-20 | Testing device for solid content of lithium ion battery component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106706466A (en) |
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