CN107492691A - A kind of anhydrous charging method of battery - Google Patents
A kind of anhydrous charging method of battery Download PDFInfo
- Publication number
- CN107492691A CN107492691A CN201710474368.5A CN201710474368A CN107492691A CN 107492691 A CN107492691 A CN 107492691A CN 201710474368 A CN201710474368 A CN 201710474368A CN 107492691 A CN107492691 A CN 107492691A
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- China
- Prior art keywords
- battery
- conducting
- electrically
- paint
- conductive
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Classifications
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- 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
- H01M10/54—Reclaiming serviceable parts of waste accumulators
-
- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Primary Cells (AREA)
Abstract
The present invention is a kind of anhydrous charging method of battery, is comprised the following steps：（1）Electrically-conducting paint or conducting resinl are pre-processed；（2）Continuous electrically-conducting paint coating or battery glue are painted between both positive and negative polarity；（3）Positive and negative interpolar forms dry conductive paint or conductive adhesive layer；（4）Safe-discharge is carried out to battery until electric discharge is completed.Advantages of the present invention：Compared with the electric discharge of salt solution class, the present invention does not produce new pollution, does not pollute battery material to be recycled, is a kind of batch charging method of more environmentally friendly small size battery without wastewater treatment.
Description
Technical field
The present invention relates to a kind of anhydrous charging method of battery, belong to recovery technical field of electronic products.
Background technology
As lithium ion battery is widely applied, generate substantial amounts of waste and old lithium ion battery, at present due to waste and old lithium from
Containing a large amount of virose rare metal cobalts in sub- battery, but because cobalt is a kind of important strategy metal, so contrast at present
The research of waste and old lithium ion battery focuses mostly in terms of the recycling of precious metal, such as：Current ternary lithium battery, also
Containing noble metals such as manganese, nickel, meanwhile, also contain as valuable metals such as aluminium, copper in lithium ion battery.However, the waste and old lithium of batch from
Sub- battery is in electric eliminating processing procedure（The electricity of waste and old lithium ion battery internal residual is released）In, due to short in decomposable process
The process such as road, broken can be such that the electricity of battery remaining drastically discharges, and cause hot-spot or even explode, therefore applying waste lithium ionic electricity
Pond must be substantially discharged before recycling, it is necessary to carry out electric eliminating processing to waste and old lithium ion battery.
At present, the safe-discharge for waste and old lithium ion battery mainly has two methods, and one kind is physical method electric discharge, main
If by external load electric eliminating, i.e., be connected by battery with load (resistance or electrical equipment), the electricity in battery by doing work or
The modes such as heat release consume, but this method is simply applicable large-sized electrokinetic cell, infeasible to the extensive electric discharge of baby battery；Separately
One kind is chemical method electric discharge, i.e., is negative electrode and anode using the both positive and negative polarity metal of battery, in the solution by electrolytic process come
Consume electricity remaining in battery, at present mainly using solubility salts such as sodium chloride solution or copper sulphate as electrolyte, waste and old lithium
Ion battery is that power supply is discharged, though this method simple possible, because when sodium chloride solution discharges, anode can separate out chlorine
Gas, on the one hand meeting corroding electrode pollution electrolyte system, while also have an impact to the working environment of operating personnel, while can also lead
Cause recovery and the waste water handling problem of battery case solution loss and the lysate thus brought.
The content of the invention
Proposed by the present invention is a kind of anhydrous charging method of battery, and its purpose is intended to overcome above-mentioned present in prior art
Deficiency.
The technical solution of the present invention：A kind of anhydrous charging method of battery, comprises the following steps：
（1）Pretreatment as described in the pretreatment that the requirement of electrically-conducting paint or conducting resinl does electrically-conducting paint or conducting resinl includes
Rolling is rolled over, is stirred；
（2）Continuous electrically-conducting paint coating or battery glue on being brushed, spray, apply, noting or being put between the both positive and negative polarity of battery with instrument；
（3）Spontaneously dry or dry, dry conductive paint or conductive adhesive layer are formed in positive and negative interpolar；
（4）Dried electrically-conducting paint coating or conductive adhesive layer battery positive and negative interpolar formed with 0.5 ~ 1000 ohmic resistance
Resistance, safe-discharge is carried out to battery until electric discharge is completed；The electrically-conducting paint or conducting resinl or control electrically-conducting paint of different resistances
Or the thickness equal regulating discharging deadline of conductive adhesive layer.
Advantages of the present invention：Compared with the electric discharge of salt solution class, the present invention does not produce new pollution, does not pollute battery to be recycled
Material, it is a kind of batch charging method of more environmentally friendly small size battery without wastewater treatment.
Brief description of the drawings
Accompanying drawing 1 is the battery discharge resistive coating position view of cylinder 18650.
Accompanying drawing 2 is that battery of mobile phone discharge end covers discharge resistance coating location schematic diagram.
Embodiment
Embodiment 1, as shown in Figure 1：
The anhydrous charging method of cylindrical 18650 batteries, comprises the following steps：
（1）Rolling 2 hours is rolled over 20 turns per minute of speed on platform is rolled over by the requirement of certain graphite conducting coating material, uses conduction
Coating is uniformly dispersed；
（2）With point gum machine on the positive and negative interpolar point shown in Fig. 1 continuous graphite conducting coating material coating, cover felt pad connection
Both positive and negative polarity；
（3）Spontaneously dry, dry conductive paint is formed in positive and negative interpolar；
（4）Dry graphite conducting coating material layer is in resistance of the positive and negative interpolar of battery formed with 0.5 ~ 1000 ohmic resistance, to electricity
Pond carries out safe-discharge until electric discharge is completed；The thickness of graphite conducting coating material or control graphite conducting coating material layer from different resistances
Degree（Dispensing amount）Positive and negative interpolar resistance value can be changed, so as to adjust the electric discharge deadline, following example is more lifted and explain：
3.7V 2200mah lithium battery is discharged（Assuming that full power state, non-full power state discharge time is shorter）, coating
Resistance controls 2 ohms, and battery is with 1C（2.2A）Left and right current discharge, can be discharged completely in 2 hours, discharge process be placed on
To export heat on the heat dissipation metal frame of battery good contact；
The coating resistance controls 10 ohms, and battery can be put completely with 0.2C (0.44A) left and right current discharge in 8 hours
Battery is put on heat dissipation metal frame to radiate by electricity, discharge process；
Coating resistance controls 100 ohms, and battery can be put completely with 0.02C (0.044A) left and right current discharge in 72 hours
Electricity, discharge process are carried out in natural environment；
Coating resistance controls 1000 ohms, and battery, can be complete in 1 month with 0.002C (0.0044A) left and right current discharge
Electric discharge, discharge process are carried out in natural environment.
Embodiment 2, as shown in Figure 2：
The anhydrous charging method of Soft Roll battery of mobile phone, comprises the following steps：
（1）Stirred 30 minutes with 200 turns per minute by certain conducting resinl requirement, conducting resinl is uniformly dispersed；
（2）With brush continuous battery glue is painted in positive and negative interpolar；
（3）With 40 degrees Celsius of hot-air seasoning, dry conductive adhesive layer is formed in positive and negative interpolar；
（4）Conductive adhesive layer is dried in resistance of the positive and negative interpolar of battery formed with 0.5 ~ 1000 ohmic resistance, battery is pacified
Full electric discharge is completed until electric discharge；The thickness of conducting resinl or control conductive adhesive layer from different resistances（Brush coating amount）It can change just
Resistance value between negative pole, so as to adjust the electric discharge deadline, more lift following example and explain：
3.7V 2200mah square cellular li-ion battery is discharged（Assuming that full power state, non-full power state discharge time is more
It is short）, coating resistance controls 10 ohms, and battery can completely discharge in 8 hours, be put with 0.2C (0.44A) left and right current discharge
Electric process, which needs to be placed on well-ventilated's environment, to be entered, and is put on heat dissipation metal frame or forces blowing more preferable；
Coating resistance controls 100 ohms, and battery can be put completely with 0.02C (0.044A) left and right current discharge in 72 hours
Electricity, discharge process need to be placed on natural environment progress；
Coating resistance controls 1000 ohms, and battery, can be complete in 1 month with 0.002C (0.0044A) left and right current discharge
Electric discharge, discharge process are carried out in natural environment.
Embodiment 3, with reference to figure 1, battery appearance is the same, and simply appearance and size is different：
The anhydrous charging method of cylinder-type nickel-metal hydride battery, comprises the following steps：
（1）Stirred 30 minutes with 500 rpms of speed by the requirement of electrically-conducting paint, electrically-conducting paint is uniformly dispersed；
（2）With glue-injection machine on the positive and negative interpolar note shown in Fig. 1 continuous electrically-conducting paint coating；
（3）Spontaneously dry, dry conductive paint is formed in positive and negative interpolar；
（4）Dry conductive paint enters to battery in resistance of the positive and negative interpolar of battery formed with 0.5 ~ 1000 ohmic resistance
Row safe-discharge is completed until electric discharge；The thickness of electrically-conducting paint or control conductive paint from different resistances is adjustable to be put
The electric deadline, more lift following example and explain：
1.2V 1100mah Ni-MH battery is discharged, coating resistance controls 1 ohms, and battery is with 1.2A or so electric currents
Electric discharge, it can be discharged completely in about 1 hour, discharge process needs to be placed on the heat dissipation metal frame with battery good contact；
Coating resistance controls 10 ohms, and battery can completely be discharged in about 10 hours, be discharged with 0.12A or so current discharges
Process carries out forcing blowing to be radiated on battery；
Coating resistance controls 100 ohms, and battery can be discharged with 0.012A or so current discharges completely in 4 days, discharge process
Natural environment is carried out；
Coating resistance controls 1000 ohms, and battery can completely be discharged in 40 days, be discharged with 0.0012A or so current discharges
Process is carried out in natural environment.
Embodiment 4, with reference to figure 1, battery appearance is the same, and simply size is different：
The cylindrical anhydrous charging method of nickel-cadmium cell, comprises the following steps：
（1）By stirring 30 minute of the use of electrically-conducting paint at 5000 rpms, then using or put rolling rolling platform and roll over to roll and wait to make
With；
（2）Continuous electrically-conducting paint coating is sprayed with the positive and negative interpolar shown in spray gun Fig. 1；
（3）Spontaneously dry, dry conductive paint is formed in positive and negative interpolar；
（4）Dry conductive paint enters to battery in resistance of the positive and negative interpolar of battery formed with 0.5 ~ 1000 ohmic resistance
Row safe-discharge is completed until electric discharge；The thickness of electrically-conducting paint or control conductive paint from different resistances（Quantity for spray）
The regulating discharging deadline, more lift following example and explain：
1.2V 630mah nickel-cadmium cell is discharged, coating resistance controls 10 ohms, and battery is with 0.12A or so electricity
Electricity is banished, can be discharged completely in 5.25 hours, discharge process is carried out in well-ventilated's environment；
Coating resistance controls 100 ohms, and battery can completely be discharged in 52.5 hours, be put with 0.012A or so current discharges
Electric process is carried out in natural environment；
Coating resistance controls 1000 ohms, and battery can completely be discharged in 22 days, be discharged with 0.0012A or so current discharges
Process is carried out in natural environment；
How much each pending battery actual discharge time has difference because of the actual electric charge of battery.The rated capacity of battery is not yet
Together, the discharge time of batch battery is preferably estimated by high capacity cell, it is ensured that can discharge completely.
The method is also applied for the battery of other shapes, as long as electrically-conducting paint or glue can be formed in the positive and negative interpolar of battery
Layer, can be carried out discharging, all meets the coverage of this patent.
The battery discharge that the method is used to have charge and discharge protecting plate is only capable of battery discharge to discharge cut-off voltage.
The invention is not restricted to the scope of described step, for those skilled in the art, as long as various
Change in the spirit and scope of the present invention that appended claim limits and determines, these changes be it will be apparent that but
Should be in the row of protection.
Claims (4)
1. a kind of anhydrous charging method of battery, it is characterised in that comprise the following steps：
（1）Electrically-conducting paint or conducting resinl are done by the requirement of electrically-conducting paint in advance to locate, including rolles over rolling, are stirred；
（2）Continuous electrically-conducting paint or conducting resinl on being brushed, spray, apply, noting or being put between the both positive and negative polarity of battery with instrument；
（3）Spontaneously dry or dry, electrically-conducting paint or the drying of conductance glue form dry conductive paint or conduction in positive and negative interpolar
Glue-line；
（4）Dried conductive paint or conductive adhesive layer form the electricity of 0.5 ~ 1000 ohmic resistance in the positive and negative interpolar of battery
Resistance, battery is discharged until electric discharge is completed；Electrically-conducting paint or conducting resinl from different resistances or control electrically-conducting paint or
The thickness equal regulating discharging deadline of conductive gel coating；
Described control electrically-conducting paint or the thickness of conductive gel coating are realized by adjusting electrically-conducting paint or conducting resinl doses, material
Amount then applies thickness greatly, and resistance value is small.
2. the anhydrous charging method of battery according to claim 1, it is characterised in that described step（1）Electrically-conducting paint or
Conducting resinl graphite makees conductive agent, or makees conductive agent with metal powder or other conductive materials；Or recycle value with having no
Lithium cell cathode material is configured to electrically-conducting paint or conducting resinl.
3. the anhydrous charging method of battery according to claim 1, it is characterised in that described step（3）Spontaneously dry or
Drying, forms dry conductive paint or conductive adhesive layer in positive and negative interpolar.
4. the anhydrous charging method of battery according to claim 1, it is characterised in that described step（4）Dry conduction
Dope layer or conductive adhesive layer form the resistance of certain resistance in the positive and negative interpolar of battery, and safe-discharge is carried out to battery until electric discharge
Complete；It is adjustable from the electrically-conducting paint or conducting resinl of different resistances, or the thickness of control electrically-conducting paint or conductive gel coating
Discharge the deadline.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710474368.5A CN107492691A (en) | 2017-06-21 | 2017-06-21 | A kind of anhydrous charging method of battery |
| CN202110419882.5A CN112886080A (en) | 2017-06-21 | 2017-06-21 | Battery anhydrous discharging method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710474368.5A CN107492691A (en) | 2017-06-21 | 2017-06-21 | A kind of anhydrous charging method of battery |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110419882.5A Division CN112886080A (en) | 2017-06-21 | 2017-06-21 | Battery anhydrous discharging method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107492691A true CN107492691A (en) | 2017-12-19 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110419882.5A Pending CN112886080A (en) | 2017-06-21 | 2017-06-21 | Battery anhydrous discharging method and device |
| CN201710474368.5A Pending CN107492691A (en) | 2017-06-21 | 2017-06-21 | A kind of anhydrous charging method of battery |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110419882.5A Pending CN112886080A (en) | 2017-06-21 | 2017-06-21 | Battery anhydrous discharging method and device |
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| Country | Link |
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| CN (2) | CN112886080A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808152A (en) * | 2018-07-04 | 2018-11-13 | 南京环务资源再生科技有限公司 | A kind of charging method of waste lithium cell |
| CN110600829A (en) * | 2019-10-22 | 2019-12-20 | 永康珀帐锂电池科技有限公司 | Discharge device for recycling lithium battery of mobile phone |
| CN110729521A (en) * | 2019-09-11 | 2020-01-24 | 武汉瑞杰特材料有限责任公司 | Method, circuit and system for discharging residual electricity of battery |
| CN112382801A (en) * | 2020-10-29 | 2021-02-19 | 银隆新能源股份有限公司 | Method for pre-treating waste battery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004355954A (en) * | 2003-05-29 | 2004-12-16 | Sumitomo Metal Mining Co Ltd | Disposal method of waste battery |
| CN105406146A (en) * | 2015-12-31 | 2016-03-16 | 哈尔滨工业大学 | Carbon dioxide subcritical extraction, recycling and reusing method for electrolyte of waste lithium ion battery |
| CN106816663A (en) * | 2017-02-24 | 2017-06-09 | 中南大学 | A kind of method of waste and old lithium ion battery highly effective and safe electric discharge |
| CN106834703A (en) * | 2017-03-30 | 2017-06-13 | 中南大学 | A kind of leaching method of waste lithium ion cell anode active material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332671B (en) * | 2014-09-05 | 2015-08-05 | 南阳师范学院 | A kind of lead accumulator regenerating unit and renovation process |
-
2017
- 2017-06-21 CN CN202110419882.5A patent/CN112886080A/en active Pending
- 2017-06-21 CN CN201710474368.5A patent/CN107492691A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004355954A (en) * | 2003-05-29 | 2004-12-16 | Sumitomo Metal Mining Co Ltd | Disposal method of waste battery |
| CN105406146A (en) * | 2015-12-31 | 2016-03-16 | 哈尔滨工业大学 | Carbon dioxide subcritical extraction, recycling and reusing method for electrolyte of waste lithium ion battery |
| CN106816663A (en) * | 2017-02-24 | 2017-06-09 | 中南大学 | A kind of method of waste and old lithium ion battery highly effective and safe electric discharge |
| CN106834703A (en) * | 2017-03-30 | 2017-06-13 | 中南大学 | A kind of leaching method of waste lithium ion cell anode active material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808152A (en) * | 2018-07-04 | 2018-11-13 | 南京环务资源再生科技有限公司 | A kind of charging method of waste lithium cell |
| CN110729521A (en) * | 2019-09-11 | 2020-01-24 | 武汉瑞杰特材料有限责任公司 | Method, circuit and system for discharging residual electricity of battery |
| CN110600829A (en) * | 2019-10-22 | 2019-12-20 | 永康珀帐锂电池科技有限公司 | Discharge device for recycling lithium battery of mobile phone |
| CN112382801A (en) * | 2020-10-29 | 2021-02-19 | 银隆新能源股份有限公司 | Method for pre-treating waste battery |
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| Publication number | Publication date |
|---|---|
| CN112886080A (en) | 2021-06-01 |
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Application publication date: 20171219 |
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