CN106816604A - A kind of negative electrode battery binding material and preparation method thereof - Google Patents
A kind of negative electrode battery binding material and preparation method thereof Download PDFInfo
- Publication number
- CN106816604A CN106816604A CN201710065469.7A CN201710065469A CN106816604A CN 106816604 A CN106816604 A CN 106816604A CN 201710065469 A CN201710065469 A CN 201710065469A CN 106816604 A CN106816604 A CN 106816604A
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- China
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- parts
- negative electrode
- binding material
- electrode battery
- methacrylic acid
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
- H01M4/622—Binders being polymers
-
- 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
Abstract
The invention discloses a kind of negative electrode battery binding material and preparation method thereof, the negative electrode battery binding material is according to the primary raw material of weight portion：3 30 36 parts of hydroxypyrrole pyrimidines, 12 18 parts of chlorendic anhydride, 26 parts of polycaprolactam powder, 13 parts of ethylene methacrylic acid copolymer, 13 parts of palladium bichloride.It can be seen that negative pole binding material not only has preferable cohesive force in the present invention, the normal charge and discharge cycles of battery are not interfered with GND charging/discharging voltage interval, cell negative electrode material can be applied to as suitable negative electrode binder.
Description
Technical field
The present invention relates to a kind of cell art, specifically a kind of negative electrode battery binding material and preparation method thereof.
Background technology
Binding agent is the important component of battery plus-negative plate, is that one kind is used to for electrode adhesion material to stick to collector
On macromolecular compound.Its Main Function is to bond and holding electrode bonding material, stabilization pole piece structure, to buffer discharge and recharge
During pole piece expansion/contraction.Can be used in the binding agent of battery needs to meet in battery in addition to adhesive property, also
Operating voltage and temperature range in stabilization, it is and insoluble with relatively low internal resistance, it is to avoid the normal charge and discharge cycles of influence battery
In the organic solvent of battery electrolyte.At present, the binding agent mainly organo-fluorine polymer of battery, such as vinylidene are applied to
(PVDF)。
The content of the invention
It is an object of the invention to provide a kind of negative electrode battery binding material and preparation method thereof, to solve above-mentioned background
The problem proposed in technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of negative electrode battery binding material, be according to the primary raw material of weight portion：30-36 parts of 3- hydroxypyrrole pyrimidines, chlorine bacterium
Acid anhydrides 12-18 parts, 2-6 parts, ethylene-methacrylic acid copolymer 1-3 parts, palladium bichloride 1-3 parts of polycaprolactam powder.
As further scheme of the invention：The negative electrode battery binding material, be according to the primary raw material of weight portion：
32-34 parts of 3- hydroxypyrrole pyrimidines, chlorendic anhydride 15-17 parts, 2-6 parts of polycaprolactam powder, ethylene-methacrylic acid copolymer
1-3 parts, palladium bichloride 1-3 parts.
As further scheme of the invention：The negative electrode battery binding material, be according to the primary raw material of weight portion：
33 parts of 3- hydroxypyrroles pyrimidine, 16 parts of chlorendic anhydride, 4 parts of polycaprolactam powder, 2 parts of ethylene-methacrylic acid copolymer, chlorination
2 parts of palladium.
A kind of preparation method of negative electrode battery binding material, concretely comprises the following steps：
（1）First, by 3- hydroxypyrroles pyrimidine by after chlorendic anhydride surface treatment, then carrying out at high temperature under nitrogen protection
Reason, treatment temperature is 400-600 DEG C, and semi-finished product are obtained；
（2）Finally, semi-finished product are mixed with polycaprolactam powder, ethylene-methacrylic acid copolymer, palladium bichloride and places ball milling
It is ground in machine, vacuum freeze drying at a temperature of being subsequently placed at 4 DEG C is obtained final product.
As further scheme of the invention：Step（1）Middle treatment temperature is 500 DEG C.
Compared with prior art, the beneficial effects of the invention are as follows：
It can be seen that negative pole binding material not only has preferable cohesive force in the present invention, will not in GND charging/discharging voltage interval
The normal charge and discharge cycles of battery are influenceed, cell negative electrode material can be applied to as suitable negative electrode binder.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of negative electrode battery binding material, be according to the primary raw material of weight portion：30 parts of 3- hydroxypyrroles pyrimidine, chlorendic anhydride
12 parts, 2 parts of polycaprolactam powder, 1 part of ethylene-methacrylic acid copolymer, 1 part of palladium bichloride.
A kind of preparation method of negative electrode battery binding material, concretely comprises the following steps：
（1）First, by 3- hydroxypyrroles pyrimidine by after chlorendic anhydride surface treatment, then carrying out at high temperature under nitrogen protection
Reason, treatment temperature is 400 DEG C, and semi-finished product are obtained；
（2）Finally, semi-finished product are mixed with polycaprolactam powder, ethylene-methacrylic acid copolymer, palladium bichloride and places ball milling
It is ground in machine, vacuum freeze drying at a temperature of being subsequently placed at 4 DEG C is obtained final product.
Embodiment 2
A kind of negative electrode battery binding material, be according to the primary raw material of weight portion：32 parts of 3- hydroxypyrroles pyrimidine, chlorendic anhydride
15 parts, 2 parts of polycaprolactam powder, 1 part of ethylene-methacrylic acid copolymer, 1 part of palladium bichloride.
A kind of preparation method of negative electrode battery binding material, concretely comprises the following steps：
（1）First, by 3- hydroxypyrroles pyrimidine by after chlorendic anhydride surface treatment, then carrying out at high temperature under nitrogen protection
Reason, treatment temperature is 450 DEG C, and semi-finished product are obtained；
（2）Finally, semi-finished product are mixed with polycaprolactam powder, ethylene-methacrylic acid copolymer, palladium bichloride and places ball milling
It is ground in machine, vacuum freeze drying at a temperature of being subsequently placed at 4 DEG C is obtained final product.
Embodiment 3
A kind of negative electrode battery binding material, be according to the primary raw material of weight portion：33 parts of 3- hydroxypyrroles pyrimidine, chlorendic anhydride
16 parts, 4 parts of polycaprolactam powder, 2 parts of ethylene-methacrylic acid copolymer, 2 parts of palladium bichloride.
A kind of preparation method of negative electrode battery binding material, concretely comprises the following steps：
（1）First, by 3- hydroxypyrroles pyrimidine by after chlorendic anhydride surface treatment, then carrying out at high temperature under nitrogen protection
Reason, treatment temperature is 500 DEG C, and semi-finished product are obtained；
（2）Finally, semi-finished product are mixed with polycaprolactam powder, ethylene-methacrylic acid copolymer, palladium bichloride and places ball milling
It is ground in machine, vacuum freeze drying at a temperature of being subsequently placed at 4 DEG C is obtained final product.
Embodiment 4
A kind of negative electrode battery binding material, be according to the primary raw material of weight portion：34 parts of 3- hydroxypyrroles pyrimidine, chlorendic anhydride
17 parts, 6 parts of polycaprolactam powder, 3 parts of ethylene-methacrylic acid copolymer, 3 parts of palladium bichloride.
A kind of preparation method of negative electrode battery binding material, concretely comprises the following steps：
（1）First, by 3- hydroxypyrroles pyrimidine by after chlorendic anhydride surface treatment, then carrying out at high temperature under nitrogen protection
Reason, treatment temperature is 550 DEG C, and semi-finished product are obtained；
（2）Finally, semi-finished product are mixed with polycaprolactam powder, ethylene-methacrylic acid copolymer, palladium bichloride and places ball milling
It is ground in machine, vacuum freeze drying at a temperature of being subsequently placed at 4 DEG C is obtained final product.
Embodiment 5
A kind of negative electrode battery binding material, be according to the primary raw material of weight portion：36 parts of 3- hydroxypyrroles pyrimidine, chlorendic anhydride
18 parts, 6 parts of polycaprolactam powder, 3 parts of ethylene-methacrylic acid copolymer, 3 parts of palladium bichloride.
A kind of preparation method of negative electrode battery binding material, concretely comprises the following steps：
（1）First, by 3- hydroxypyrroles pyrimidine by after chlorendic anhydride surface treatment, then carrying out at high temperature under nitrogen protection
Reason, treatment temperature is 600 DEG C, and semi-finished product are obtained；
（2）Finally, semi-finished product are mixed with polycaprolactam powder, ethylene-methacrylic acid copolymer, palladium bichloride and places ball milling
It is ground in machine, vacuum freeze drying at a temperature of being subsequently placed at 4 DEG C is obtained final product.
Using test：
Test condition is in cycle performance of battery test：In the range of 0.005V-2V, with the current ratio constant current charge-discharge of 0.1C
Circulation；Negative pole binding material prepared by embodiment 3 is assembled into battery, specific as follows：By silicon-based active material and conductive addition
Agent grinding is uniform, adds in negative pole binding material, is well mixed, and obtains slurries；2）Copper Foil is pressed into disk, it is coarse after, cleaning is done
It is dry；3）By step 1）The slurries for obtaining are applied on Copper Foil, are dried, and are obtained and are bonded using the Silicon Based Anode Materials for Lithium-Ion Batteries
The lithium ion battery negative of agent, then carries out efficiency, the 100th specific discharge capacity and the 100th capability retention first；As a result
As follows, efficiency is 94% first in embodiment 3, and the 100th time specific discharge capacity is 368mAh/g, and the 100th time capability retention is
97%。
Pick up then to electrode material, cohesive force are tested, and water absorption rate is 45.1% in embodiment 3, and comparative example
Water absorption rate in 1-3 is 18.1-26.8%；Peak load is 0.98N in embodiment 3.
In sum, it is seen that negative pole binding material not only has preferable cohesive force in the present invention, in GND charge and discharge
Piezoelectric voltage interval does not interfere with the normal charge and discharge cycles of battery, can be applied to GND as suitable negative electrode binder
Material.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (5)
1. a kind of negative electrode battery binding material, it is characterised in that the primary raw material according to weight portion is：3- hydroxypyrrole pyrimidines
30-36 parts, chlorendic anhydride 12-18 parts, 2-6 parts of polycaprolactam powder, ethylene-methacrylic acid copolymer 1-3 parts, palladium bichloride 1-
3 parts.
2. negative electrode battery binding material according to claim 1, it is characterised in that the negative electrode battery bonds material
Material, be according to the primary raw material of weight portion：32-34 parts of 3- hydroxypyrrole pyrimidines, chlorendic anhydride 15-17 parts, polycaprolactam powder
2-6 parts, ethylene-methacrylic acid copolymer 1-3 parts, palladium bichloride 1-3 parts.
3. negative electrode battery binding material according to claim 1 and 2, it is characterised in that the negative electrode battery is bonded
Material, be according to the primary raw material of weight portion：33 parts of 3- hydroxypyrroles pyrimidine, 16 parts of chlorendic anhydride, 4 parts of polycaprolactam powder,
2 parts of ethylene-methacrylic acid copolymer, 2 parts of palladium bichloride.
4. the preparation method of a kind of negative electrode battery binding material as described in claim 1-3 is any, it is characterised in that specific
Step is：
（1）First, by 3- hydroxypyrroles pyrimidine by after chlorendic anhydride surface treatment, then carrying out at high temperature under nitrogen protection
Reason, treatment temperature is 400-600 DEG C, and semi-finished product are obtained；
（2）Finally, semi-finished product are mixed with polycaprolactam powder, ethylene-methacrylic acid copolymer, palladium bichloride and places ball milling
It is ground in machine, vacuum freeze drying at a temperature of being subsequently placed at 4 DEG C is obtained final product.
5. the preparation method of negative electrode battery binding material according to claim 4, it is characterised in that step（1）Middle place
Reason temperature is 500 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710065469.7A CN106816604A (en) | 2017-02-06 | 2017-02-06 | A kind of negative electrode battery binding material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710065469.7A CN106816604A (en) | 2017-02-06 | 2017-02-06 | A kind of negative electrode battery binding material and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101103475A (en) * | 2005-01-14 | 2008-01-09 | 松下电器产业株式会社 | Negative electrode for lithium ion secondary battery, process for producing the same, lithium ion secondary battery and process for producing the same |
| CN104130719A (en) * | 2014-08-12 | 2014-11-05 | 哈尔滨工业大学 | Graphene oxide conductive adhesive and preparation and using method of graphene oxide conductive adhesive |
| CN204315663U (en) * | 2014-11-12 | 2015-05-06 | 南京中储新能源有限公司 | A kind of aluminium-sulfur battery Graphene coating negative pole |
-
2017
- 2017-02-06 CN CN201710065469.7A patent/CN106816604A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101103475A (en) * | 2005-01-14 | 2008-01-09 | 松下电器产业株式会社 | Negative electrode for lithium ion secondary battery, process for producing the same, lithium ion secondary battery and process for producing the same |
| CN104130719A (en) * | 2014-08-12 | 2014-11-05 | 哈尔滨工业大学 | Graphene oxide conductive adhesive and preparation and using method of graphene oxide conductive adhesive |
| CN204315663U (en) * | 2014-11-12 | 2015-05-06 | 南京中储新能源有限公司 | A kind of aluminium-sulfur battery Graphene coating negative pole |
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Application publication date: 20170609 |