CN107723109A - The cleaning method of cleaning agent and preparation method thereof, lithium ion battery liquid injection part - Google Patents
The cleaning method of cleaning agent and preparation method thereof, lithium ion battery liquid injection part Download PDFInfo
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- CN107723109A CN107723109A CN201710454616.XA CN201710454616A CN107723109A CN 107723109 A CN107723109 A CN 107723109A CN 201710454616 A CN201710454616 A CN 201710454616A CN 107723109 A CN107723109 A CN 107723109A
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- injection part
- cleaning agent
- lithium ion
- ion battery
- cleaning
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/042—Acids
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/33—Amino carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/34—Organic compounds containing sulfur
- C11D3/349—Organic compounds containing sulfur additionally containing nitrogen atoms, e.g. nitro, nitroso, amino, imino, nitrilo, nitrile groups containing compounds or their derivatives or thio urea
-
- 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
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention belongs to battery process technical field, and in particular to a kind of cleaning agent and preparation method thereof, the cleaning method of lithium ion battery liquid injection part.Cleaning agent includes the composition of following weight/mass percentage composition：Phosphoric acid 5 60%；Nitric acid 1 40%；Corrosion inhibiter 0.2 0.5%；Surfactant 0.4 1.0%；Solvent 15 85%.Cleaning method comprises the following steps：The above-mentioned cleaning agent for being used to clean lithium ion battery liquid injection part is provided, and collects fluid injection part to be cleaned；The fluid injection part to be cleaned is placed in the cleaning agent and carries out immersion treatment；The fluid injection part after immersion treatment is cleaned with water, then drying process.The cleaning agent of the present invention passes through each composition and the synergy of content, can be clean by Fouling Cleaning in lithium ion battery liquid injection part, fluid injection part after final cleaning is reused for producing battery core, and the rate of qualified voltage of obtained battery is obviously improved, and battery performance obtains obvious improvement.
Description
Technical field
The invention belongs to battery process technical field, and in particular to a kind of cleaning agent and preparation method thereof, lithium ion battery
The cleaning method of fluid injection part.
Background technology
Lithium ion battery manufacturing process (including close, be coated with, be roll-in, cutting, winding, baking, fluid injection, electric welding, sealing, clear
Wash, activate, forming and capacity dividing etc.) in, fluid injection process is unusual important step, not only decides the multinomial key of lithium ion battery
Energy index, and have many controlling difficulties.
It is well known that electrolyte for lithium ion battery is made up of electrolyte lithium salt and organic solvent.Lithium hexafluoro phosphate is
Lithium ion battery electrolyte salt most excellent at present, and the organic solvent of commercialization is mainly alkyl carbonate, lithium hexafluoro phosphate
Meeting the water of trace can decompose generation hydrofluoric acid, and this sour corrosion is extremely strong.The injection process of whole lithium ion battery, electrolyte
Being circulated by the spare and accessory parts and pipeline of liquid-injection equipment, (injection process, electrolyte can typically flow to successively：Electrolyte bucket, pipe
Road, fluid reservoir, pipeline, HighPower pump, fluid injection chamber, filling head, sepage device etc.), accumulate over a long period, related spare and accessory parts and pipeline and sky
The place that gas has contact will form the material of a kind of similar " incrustation scale " of green or white.This foreign matter can block pipe when serious
Road, or occasionally come off a fritter and fall into inside battery core, influence battery performance.Learnt by many experiments, this foreign matter is normally being given birth to
Entered during production inside battery core, harmful effect can be produced to the electrical property of battery core, such as battery core self discharge increasing, cycle life
Shorten etc..
The content of the invention
It is an object of the invention to overcome the above-mentioned deficiency of prior art, there is provided a kind of cleaning agent and preparation method thereof, lithium
The cleaning method of ion battery fluid injection part, it is intended to solve the injection process of existing lithium ion battery, the spare and accessory parts of liquid-injection equipment
And pipeline is for a long time without cleaning so that produce foreign matter, so as to influence the technical problem of battery performance.
For achieving the above object, the technical solution adopted by the present invention is as follows：
On the one hand, the present invention provides a kind of cleaning agent for being used to clean lithium ion battery liquid injection part, with the cleaning agent
Gross mass be 100% meter, the cleaning agent includes the composition of following weight/mass percentage composition：
Cleaning agent provided by the present invention for cleaning lithium ion battery liquid injection part, wherein phosphoric acid and nitric acid can be with cleaning
The surface mass of part occurs chemical reaction and generates oxide-film；And corrosion inhibiter acts on by Molecular Adsorption, with cleaning part gold
Metal surface forms the diaphragm of molecular orientation arrangement, to prevent that the metal medium that is corroded from being corroded；Surfactant utilizes its breast
Change, soak, penetration theory, and the mechanical stripping effect of hydrogen is produced by means of Acids eat metals, reach the purpose except grease；Cause
This, cleaning agent of the invention, can be by Fouling Cleaning in lithium ion battery liquid injection part by each composition and the synergy of content
Totally, the fluid injection part after final cleaning is reused for producing battery core, and the rate of qualified voltage of obtained battery is obviously improved, battery
Performance obtains obvious improvement.
On the other hand, the present invention provides a kind of preparation method of cleaning agent, comprises the following steps：
As the invention described above be used for clean the cleaning agent of lithium ion battery liquid injection part contained by composition and its content point
Also known as take each component materials；
It will be produced after the phosphoric acid, the nitric acid, the corrosion inhibiter, the surfactant and the solvent mixed processing
The cleaning agent.
The preparation method of the cleaning agent of the present invention, technique is simple, and condition is easily controllable, and production efficiency is high, and cost is low, finally
Obtained cleaning agent can be clean by Fouling Cleaning in lithium ion battery liquid injection part, and the fluid injection part after cleaning is reused for producing
During battery core, the rate of qualified voltage of obtained battery is obviously improved, and battery performance obtains obvious improvement.
Finally, the present invention also provides a kind of cleaning method of lithium ion battery liquid injection part, comprises the following steps：
There is provided the invention described above is used to clean the cleaning agent of lithium ion battery liquid injection part, and collects fluid injection to be cleaned
Part；
The fluid injection part to be cleaned is placed in the cleaning agent and carries out immersion treatment；
The fluid injection part after immersion treatment is cleaned with water, then drying process.
The cleaning method technique of the lithium ion battery liquid injection part of the present invention is simple, and condition is easily controllable, and cleaning cost is low,
When fluid injection part after final cleaning is reused for producing battery core, the rate of qualified voltage of obtained battery is obviously improved, cell performance
Obvious improvement can be obtained.
Embodiment
In order that technical problems, technical solutions and advantageous effects to be solved by the present invention are more clearly understood, below in conjunction with
Embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only explaining
The present invention, it is not intended to limit the present invention.
On the one hand, the embodiments of the invention provide a kind of cleaning agent for being used to clean lithium ion battery liquid injection part, with institute
State the gross mass of cleaning agent includes the composition of following weight/mass percentage composition for 100% meter, the cleaning agent：
What the present embodiment provided be used to the clean cleaning agent of lithium ion battery liquid injection part, wherein phosphoric acid and nitric acid can with it is clear
The surface mass for washing part occurs chemical reaction and generates oxide-film；And corrosion inhibiter acts on by Molecular Adsorption, with cleaning part
Metal surface forms the diaphragm of molecular orientation arrangement, to prevent that the metal medium that is corroded from being corroded；Surfactant utilizes it
Emulsification, wetting, penetration theory, and acted on by means of the mechanical stripping of Acids eat metals generation hydrogen, reach the purpose except grease；
Therefore, cleaning agent of the invention, can be clear by dirt in lithium ion battery liquid injection part by each composition and the synergy of content
Wash clean, the fluid injection part after final cleaning are reused for producing battery core, and the rate of qualified voltage of obtained battery is obviously improved, electricity
Pond performance obtains obvious improvement.
To solve technical problem to be solved of the embodiment of the present invention, first obtain at battery core workshop liquid-injection equipment
" incrustation scale " carries out elementary analysis, and the final main component for obtaining this " incrustation scale " is the compositions such as Fe, Li, O, F and P.Then, according to " phase
Patibhaga-nimitta is molten " principle and many experiments checking, a kind of acidic mixed cleaning agent of the present embodiment is made, can be achieved above-mentioned " water
Dirt " cleans up.
The embodiment of the present invention is provided in cleaning agent, and the main effect of phosphoric acid and nitric acid is：On the one hand with cleaning parts list
Face chemically reacts and generates oxide-film；Oxide-film is dissolved during another aspect postscript and generates nitrate and phosphate, so in proper order
Progressive reaction, important function is played to improving chemical polishing quality.In the embodiment of the present invention, phosphorus acid content 5-60%, tool
Body can be 6-50%, 7-40%, 8-30% etc., more preferably 8-25%, be 6- as preferable under Ultrasonic Conditions
18%, it is preferably 10-15% under heating condition.The concentration of nitric acid has large effect for polishing performance, and the present invention is implemented
In example, nitric acid content 1-40%, it is specifically as follows 1-30%, 2-20%, 2-10% etc., more preferably 2-8%.At this
Invent in the range of preferable phosphoric acid and nitric acid content, optimal is reached to the chemical polishing effect for cleaning part.Preparing cleaning agent
When, it is general to carry out preparing the cleaning for finally giving the embodiment of the present invention from the phosphoric acid and 68% nitric acid that initial concentration is 85%
Agent.
Further, the embodiment of the present invention is provided in cleaning agent, and corrosion inhibiter includes aspartic acid (PASP) and/or sulfur-bearing
Amino acid acid.Corrosion inhibiter acts on the diaphragm for forming molecular orientation arrangement on the metal surface by Molecular Adsorption, to prevent gold
Belong to the medium that is corroded to be corroded.The elements such as one side oxygen, nitrogen, sulphur, phosphorus contain lone pair electrons, they in organic compound all with
The form of polar group is present, such as：- NH2 (amido), N (tertiary amine or heterocyclic nitrogen compounds) ,-S- (thioether group) ,-SH (sulfydryl)
Deng；The transition metal such as another aspect iron, copper can be used as electron acceptor, these elements and metal because d electron orbits do not fill
Element coordination combines, and forms firm chemisorbed layer.This external double bond, three keys, phenyl ring can also act on metal by pi bond
Chemisorbed occurs for surface.Preferably, buffer is the amino acid (such as methionine, cysteine plus cystine) of sulfur-bearing, is entered
One step, the preferred 0.3%-0.4% of content of the amino acid of sulfur-bearing.Under the conditions of being somebody's turn to do, to the effect of metal surface anticorrosive effect
Reach optimal.
Further, the embodiment of the present invention provide cleaning agent in, surfactant be sodium alkyl benzene sulfonate, niter cake,
At least one of turpentine oil and OP class nonionic agents.Using the emulsification, wetting, penetration theory of surfactant, and
The mechanical stripping that hydrogen is produced by means of Acids eat metals is acted on, and reaches the purpose except grease.Preferably, surfactant is alkane
Base benzene sulfonic acid sodium salt, further, the preferred 0.5-0.7% of content of sodium alkyl benzene sulfonate；Under the conditions of being somebody's turn to do, metal surface oil removing is imitated
Fruit reaches optimal.
Further, the embodiment of the present invention is provided in cleaning agent, and solvent is water.The cleaning being configured to by the use of water as solvent
Agent, stable chemical performance, it is easy to store.
On the other hand, the embodiment of the present invention also provides a kind of preparation method of cleaning agent, comprises the following steps：
As the embodiments of the present invention be used for clean the cleaning agent of lithium ion battery liquid injection part contained by composition and its
Content weighs each component materials respectively；Then will be after each phosphoric acid, nitric acid, corrosion inhibiter, surfactant and solvent mixed processing
Obtain cleaning agent.
The preparation method of the present embodiment cleaning agent, technique is simple, and condition is easily controllable, and production efficiency is high, and cost is low, finally
Obtained cleaning agent can be clean by Fouling Cleaning in lithium ion battery liquid injection part, and the fluid injection part after cleaning is reused for producing
During battery core, the rate of qualified voltage of obtained battery is obviously improved, and battery performance obtains obvious improvement.
Finally, the embodiment of the present invention also provides a kind of cleaning method of lithium ion battery liquid injection part, comprises the following steps：
S01：There is provided above-mentioned the present embodiment is used to clean the cleaning agent of lithium ion battery liquid injection part, and collects to be cleaned
Fluid injection part；
S02：Above-mentioned fluid injection part to be cleaned is placed in above-mentioned cleaning agent and carries out immersion treatment；
S03：Fluid injection part after immersion treatment is cleaned with water, then drying process.
The cleaning method technique of the lithium ion battery liquid injection part of the present embodiment is simple, and condition is easily controllable, cleans cost
Low, when the fluid injection part after final cleaning is reused for producing battery core, the rate of qualified voltage of obtained battery is obviously improved, Chi Xing
Obvious improvement can be obtained.
Further, in above-mentioned steps S01, fluid injection part is the liquid-injection equipment spare and accessory parts or pipeline that electrolyte flows through.
In the injection process of battery core, electrolyte can typically flow to successively：Electrolyte bucket, pipeline, fluid reservoir, pipeline, HighPower pump, fluid injection
Chamber, filling head, sepage device etc..Above-mentioned liquid-injection equipment spare and accessory parts or pipeline can be carried out clearly with the cleaning agent of the present embodiment
Wash, significant effect.
Further, in above-mentioned steps S02, before fluid injection part to be cleaned is placed in into cleaning agent, first can be cleaned with water
Fluid injection part.The fluid injection part that will be cleaned is cleaned with water and removes the dirty of surface, makes thicker spalling of oxide layer, for follow-up leaching
Bubble processing provides more preferable effect.
Further, in above-mentioned steps S02, the process of immersion treatment is：25-50 DEG C of soaking temperature, soak time 15-
25min.Under this condition, immersion effect reaches optimal.
Further, in above-mentioned steps S02, after the completion of immersion treatment, 10-60min can be then sonicated.If necessary may be used
With the brush scrubbing of resistance to acid solution, it is then sonicated.In this way, it can further improve the effect of decontamination.
Further, in above-mentioned steps S03, the process of drying process is：80-100 DEG C of drying temperature, drying time 1-
4h.Under this condition, the moisture in the fluid injection part after cleaning can preferably be removed.
It is of the invention successively to carry out test of many times, it is further detailed as reference pair invention progress now to lift A partial experiment result
Thin description, is described in detail with reference to specific embodiment.
Embodiment 1
A kind of cleaning agent, include the composition of following weight/mass percentage composition：Phosphoric acid 25%；Nitric acid 8%；Corrosion inhibiter 0.5%；Table
Face activating agent 0.5%；Solvent 66%.
Lithium ion battery liquid injection part is cleaned with the cleaning agent of the embodiment, is comprised the following steps：
S11：Above-mentioned cleaning agent is prepared, and collects fluid injection part to be cleaned.
S12：Above-mentioned fluid injection part is cleaned with water, and is placed in above-mentioned cleaning agent and carries out immersion treatment, it is then ultrasonic
Handle 10-60min；Wherein, the process of immersion treatment is：25-50 DEG C of soaking temperature, soak time 15-25min.
S13：Fluid injection part after immersion treatment is cleaned with water, then drying process；Wherein, the process of drying process
For：80-100 DEG C of drying temperature, drying time 1-4h.
Embodiment 2
A kind of cleaning agent, include the composition of following weight/mass percentage composition：Phosphoric acid 5%；Nitric acid 30%；Corrosion inhibiter 0.2%；Table
Face activating agent 0.8%；Solvent 64%.
Lithium ion battery liquid injection part is cleaned with the cleaning agent of the embodiment, is comprised the following steps：
S21：Above-mentioned cleaning agent is prepared, and collects fluid injection part to be cleaned.
S22：Above-mentioned fluid injection part is cleaned with water, and is placed in above-mentioned cleaning agent and carries out immersion treatment, it is then ultrasonic
Handle 10-60min；Wherein, the process of immersion treatment is：25-50 DEG C of soaking temperature, soak time 15-25min.
S23：Fluid injection part after immersion treatment is cleaned with water, then drying process；Wherein, the process of drying process
For：80-100 DEG C of drying temperature, drying time 1-4h.
Embodiment 3
A kind of cleaning agent, include the composition of following weight/mass percentage composition：Phosphoric acid 8%；Nitric acid 40%；Corrosion inhibiter 0.5%；Table
Face activating agent 1%；Solvent 50.5%.
Lithium ion battery liquid injection part is cleaned with the cleaning agent of the embodiment, is comprised the following steps：
S31：Above-mentioned cleaning agent is prepared, and collects fluid injection part to be cleaned.
S32：Above-mentioned fluid injection part is cleaned with water, and is placed in above-mentioned cleaning agent and carries out immersion treatment, it is then ultrasonic
Handle 10-60min；Wherein, the process of immersion treatment is：25-50 DEG C of soaking temperature, soak time 15-25min.
S33：Fluid injection part after immersion treatment is cleaned with water, then drying process；Wherein, the process of drying process
For：80-100 DEG C of drying temperature, drying time 1-4h.
Embodiment 4
A kind of cleaning agent, include the composition of following weight/mass percentage composition：Phosphoric acid 60%；Nitric acid 1%；Corrosion inhibiter 0.4%；Table
Face activating agent 0.6%；Solvent 38%.
Lithium ion battery liquid injection part is cleaned with the cleaning agent of the embodiment, is comprised the following steps：
S41：Above-mentioned cleaning agent is prepared, and collects fluid injection part to be cleaned.
S42：Above-mentioned fluid injection part is cleaned with water, and is placed in above-mentioned cleaning agent and carries out immersion treatment, it is then ultrasonic
Handle 10-60min；Wherein, the process of immersion treatment is：25-50 DEG C of soaking temperature, soak time 15-25min.
S43：Fluid injection part after immersion treatment is cleaned with water, then drying process；Wherein, the process of drying process
For：80-100 DEG C of drying temperature, drying time 1-4h.
Performance test
The effect of fluid injection part after being cleaned to above-described embodiment 1- embodiments 4 is tested：After detection cleaning terminates
The pH value of final cleaning fluid is reinstalled to use after then drying fluid injection part, taken close to 7 (explanation spot cleans up substantially)
The battery of cylinder 18650 of production in first day and original 45 DEG C of the same battery progress ageing 5 days do not cleaned fluid injection part and produced
Voltage contrasted：Cell voltage qualification rate lifting 1-3% after cleaning, battery voltage value is averagely higher by 2-6mV, cell performance
Obvious effect can be obtained.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of cleaning agent for being used to clean lithium ion battery liquid injection part, it is characterised in that with the gross mass of the cleaning agent
For 100% meter, the cleaning agent includes the composition of following weight/mass percentage composition：
2. the cleaning agent as claimed in claim 1 for being used to clean lithium ion battery liquid injection part, it is characterised in that the buffering
Agent includes：The amino acid of poly-aspartate and/or sulfur-bearing.
3. the cleaning agent as claimed in claim 1 for being used to clean lithium ion battery liquid injection part, it is characterised in that the surface
Activating agent includes：At least one of sodium alkyl benzene sulfonate, niter cake, turpentine oil and OP class nonionic agents.
4. the cleaning agent as claimed in claim 1 for being used to clean lithium ion battery liquid injection part, it is characterised in that the solvent
For water.
5. a kind of preparation method of cleaning agent, it is characterised in that comprise the following steps：
According to described in claim any one of 1-4 be used to clean composition contained by the cleaning agent of lithium ion battery liquid injection part and
Its content weighs each component materials respectively；
It will be produced after the phosphoric acid, the nitric acid, the corrosion inhibiter, the surfactant and the solvent mixed processing described
Cleaning agent.
6. a kind of cleaning method of lithium ion battery liquid injection part, it is characterised in that comprise the following steps：
There is provided and be used to clean the cleaning agent of lithium ion battery liquid injection part described in claim any one of 1-4, and collect and treat clearly
The fluid injection part washed；
The fluid injection part to be cleaned is placed in the cleaning agent and carries out immersion treatment；
The fluid injection part after immersion treatment is cleaned with water, then drying process.
7. the cleaning method of lithium ion battery liquid injection part as claimed in claim 6, it is characterised in that by the note to be cleaned
Before liquid part is placed in the cleaning agent, first the fluid injection part is cleaned with water.
8. the cleaning method of lithium ion battery liquid injection part as claimed in claim 6, it is characterised in that the immersion treatment is complete
Cheng Hou, it is ultrasonically treated 10-60min.
9. the cleaning method of the lithium ion battery liquid injection part as described in claim any one of 6-8, it is characterised in that the leaching
Steeping the process handled is：25-50 DEG C of soaking temperature, soak time 15-25min；And/or
The process of the drying process is：80-100 DEG C of drying temperature, drying time 1-4h.
10. the cleaning method of the lithium ion battery liquid injection part as described in claim any one of 6-8, it is characterised in that described
Fluid injection part is the liquid-injection equipment spare and accessory parts or pipeline that electrolyte flows through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454616.XA CN107723109A (en) | 2017-06-15 | 2017-06-15 | The cleaning method of cleaning agent and preparation method thereof, lithium ion battery liquid injection part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454616.XA CN107723109A (en) | 2017-06-15 | 2017-06-15 | The cleaning method of cleaning agent and preparation method thereof, lithium ion battery liquid injection part |
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| CN107723109A true CN107723109A (en) | 2018-02-23 |
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ID=61201667
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| CN201710454616.XA Pending CN107723109A (en) | 2017-06-15 | 2017-06-15 | The cleaning method of cleaning agent and preparation method thereof, lithium ion battery liquid injection part |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883860A (en) * | 2020-06-08 | 2020-11-03 | 四川鑫奋科技有限公司 | Method for recovering appearance of waste lead-acid battery |
-
2017
- 2017-06-15 CN CN201710454616.XA patent/CN107723109A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883860A (en) * | 2020-06-08 | 2020-11-03 | 四川鑫奋科技有限公司 | Method for recovering appearance of waste lead-acid battery |
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Application publication date: 20180223 |