CN106099071A - A kind of MPS solar energy lithium electricity positive electrode and preparation method thereof - Google Patents
A kind of MPS solar energy lithium electricity positive electrode and preparation method thereof Download PDFInfo
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- CN106099071A CN106099071A CN201610687273.7A CN201610687273A CN106099071A CN 106099071 A CN106099071 A CN 106099071A CN 201610687273 A CN201610687273 A CN 201610687273A CN 106099071 A CN106099071 A CN 106099071A
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
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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
- H01M10/05—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
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/60—Selection of substances as active materials, active masses, active liquids of organic compounds
- H01M4/602—Polymers
- H01M4/604—Polymers containing aliphatic main chain polymers
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- 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 MPS solar energy lithium electricity positive electrode and preparation method thereof, described MPS solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: MPS 35 45 parts, lithium acetate 5 18 parts, 8 10 parts of phenolic resin, ethyl sulfide sulfonic acid 26 parts, trishydroxymethylaminomethane 26 parts, 0.4 1.4 parts of nano-calcium carbonate magnesium；The preparation method of described MPS is: mixed with sodium borate, 2-Sulfosuccinic acid, tripolycyanamide by polystyrene, calcines 1h, be vacuum dried and get final product at 364 DEG C.Prepared lithium ion battery has the cycle performance of excellence, and under room temperature, 2000 capacity of 1C charge and discharge circulation are maintained at more than 90%；Under 6C multiplying power, electric discharge is more than the 98% of 1C capacity；3C/10V overcharges test, and battery is the most on fire does not explodes；High temperature circulation is excellent, and at 60 DEG C, 1000 capacity of 1C charge and discharge circulation are maintained at more than 88%；There is good security performance, acupuncture, extrude, overcharge, cross put etc. test do not explode, the most on fire.
Description
Technical field
The present invention relates to a kind of lithium electro-technical field, specifically a kind of MPS solar energy lithium electricity positive electrode and
Its preparation method.
Background technology
Lithium ion battery has that running voltage is high, specific energy high, has extended cycle life, electric discharge lightweight, white less, memoryless effect
Should be with cost performance advantages of higher, it has also become high power electric vehicle, artificial satellite, the master of Aero-Space lamp field rechargeable type power supply
Object to be selected.It addition, the system of positive and negative pole material composition has a common feature to discharge the later stage exactly, especially at electric discharge knot
Shu Shi, voltage declines very fast, namely inside this voltage range, the capacity of lithium ion battery almost without.
Summary of the invention
It is an object of the invention to provide a kind of MPS solar energy lithium electricity positive electrode and preparation method thereof, with
The problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of MPS solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyphenyl second
Alkene 35-45 part, lithium acetate 5-18 part, phenolic resin 8-10 part, ethyl sulfide sulfonic acid 2-6 part, trishydroxymethylaminomethane 2-6 part,
Nano-calcium carbonate magnesium 0.4-1.4 part；The preparation method of described MPS is: by polystyrene and sodium borate, sulfosuccinic
Acid, tripolycyanamide mixing, calcine 1h, be vacuum dried and get final product at 364 DEG C.
As the further scheme of the present invention: described MPS solar energy lithium electricity positive electrode, according to weight portion
Primary raw material be: MPS 39-42 part, lithium acetate 9-17 part, phenolic resin 8-10 part, ethyl sulfide sulfonic acid 2-6 part,
Trishydroxymethylaminomethane 2-6 part, nano-calcium carbonate magnesium 0.8-1.1 part；The preparation method of described MPS is: by polyphenyl
Ethylene mixes with sodium borate, 2-Sulfosuccinic acid, tripolycyanamide, calcines 1h, be vacuum dried and get final product at 364 DEG C.
As the further scheme of the present invention: described MPS solar energy lithium electricity positive electrode, according to weight portion
Primary raw material be: MPS 40 parts, lithium acetate 16 parts, 9 parts of phenolic resin, ethyl sulfide sulfonic acid 4 parts, trihydroxy methyl ammonia
Methylmethane 5 parts, 0.9 part of nano-calcium carbonate magnesium；The preparation method of described MPS is: by polystyrene and sodium borate, sulphur
Base succinic acid, tripolycyanamide mix, and calcine 1h, be vacuum dried and get final product at 364 DEG C.
As the further scheme of the present invention: the purity of described polystyrene is more than 99.9%.
As the further scheme of the present invention: the mesh number of described trishydroxymethylaminomethane is 1200 mesh.
As the further scheme of the present invention: the mesh number of described sodium borate is 1200 mesh.
The preparation method of a kind of MPS solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, MPS is mixed with lithium acetate, the most under nitrogen protection, is heated to 220 DEG C-260 DEG C
And stir 60min-90min, make semi-finished product；
(2) last, semi-finished product are carried out with phenolic resin, ethyl sulfide sulfonic acid, trishydroxymethylaminomethane, nano-calcium carbonate magnesium
Mixing stirring, speed of agitator is 400r/min, and mixing time is 45min, carries out melted mixing subsequently, is vacuum dried and get final product.
As the further scheme of the present invention: step (1) is heated to 240 DEG C and stirs 78min.
Compared with prior art, the invention has the beneficial effects as follows:
Prepared lithium ion battery has the cycle performance of excellence, and under room temperature, 2000 capacity of 1C charge and discharge circulation are maintained at
More than 90%；Under 6C multiplying power, electric discharge is more than the 98% of 1C capacity；3C/10V overcharges test, and battery is the most on fire does not explodes；High temperature follows
Ring is excellent, and at 60 DEG C, 1000 capacity of 1C charge and discharge circulation are maintained at more than 88%；There is good security performance, acupuncture, extruding,
Overcharge, cross put etc. test do not explode, the most on fire.
Detailed description of the invention
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 present 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 not making creative work premise, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of MPS solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyphenyl second
35 parts of alkene, lithium acetate 5 parts, 8 parts of phenolic resin, ethyl sulfide sulfonic acid 2 parts, trishydroxymethylaminomethane 2 parts, nano-calcium carbonate magnesium 0.4
Part；The preparation method of described MPS is: mixed with sodium borate, 2-Sulfosuccinic acid, tripolycyanamide by polystyrene,
Calcine 1h at 364 DEG C, be vacuum dried and get final product；The purity of described polystyrene is more than 99.9%；Described trihydroxy methyl amino first
The mesh number of alkane is 1200 mesh；The mesh number of described sodium borate is 1200 mesh.
The preparation method of a kind of MPS solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, MPS is mixed with lithium acetate, the most under nitrogen protection, is heated to 220 DEG C and stirs
60min, makes semi-finished product；
(2) last, semi-finished product are carried out with phenolic resin, ethyl sulfide sulfonic acid, trishydroxymethylaminomethane, nano-calcium carbonate magnesium
Mixing stirring, speed of agitator is 400r/min, and mixing time is 45min, carries out melted mixing subsequently, is vacuum dried and get final product.
Embodiment 2
A kind of MPS solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyphenyl second
39 parts of alkene, lithium acetate 9 parts, 8 parts of phenolic resin, ethyl sulfide sulfonic acid 2 parts, trishydroxymethylaminomethane 2 parts, nano-calcium carbonate magnesium 0.8
Part；The preparation method of described MPS is: mixed with sodium borate, 2-Sulfosuccinic acid, tripolycyanamide by polystyrene,
Calcine 1h at 364 DEG C, be vacuum dried and get final product；The purity of described polystyrene is more than 99.9%；Described trihydroxy methyl amino first
The mesh number of alkane is 1200 mesh；The mesh number of described sodium borate is 1200 mesh.
The preparation method of a kind of MPS solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, MPS is mixed with lithium acetate, the most under nitrogen protection, is heated to 220 DEG C and stirs
60min, makes semi-finished product；
(2) last, semi-finished product are carried out with phenolic resin, ethyl sulfide sulfonic acid, trishydroxymethylaminomethane, nano-calcium carbonate magnesium
Mixing stirring, speed of agitator is 400r/min, and mixing time is 45min, carries out melted mixing subsequently, is vacuum dried and get final product.
Embodiment 3
A kind of MPS solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyphenyl second
40 parts of alkene, lithium acetate 16 parts, 9 parts of phenolic resin, ethyl sulfide sulfonic acid 4 parts, trishydroxymethylaminomethane 5 parts, nano-calcium carbonate magnesium 0.9
Part；The preparation method of described MPS is: mixed with sodium borate, 2-Sulfosuccinic acid, tripolycyanamide by polystyrene,
Calcine 1h at 364 DEG C, be vacuum dried and get final product；The purity of described polystyrene is more than 99.9%；Described trihydroxy methyl amino first
The mesh number of alkane is 1200 mesh；The mesh number of described sodium borate is 1200 mesh.
The preparation method of a kind of MPS solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, MPS is mixed with lithium acetate, the most under nitrogen protection, is heated to 240 DEG C and stirs
78min, makes semi-finished product；
(2) last, semi-finished product are carried out with phenolic resin, ethyl sulfide sulfonic acid, trishydroxymethylaminomethane, nano-calcium carbonate magnesium
Mixing stirring, speed of agitator is 400r/min, and mixing time is 45min, carries out melted mixing subsequently, is vacuum dried and get final product.
Embodiment 4
A kind of MPS solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyphenyl second
42 parts of alkene, lithium acetate 17 parts, 10 parts of phenolic resin, ethyl sulfide sulfonic acid 6 parts, trishydroxymethylaminomethane 6 parts, nano-calcium carbonate magnesium
1.1 part；The preparation method of described MPS is: mixed with sodium borate, 2-Sulfosuccinic acid, tripolycyanamide by polystyrene
Close, calcine 1h at 364 DEG C, be vacuum dried and get final product；The purity of described polystyrene is more than 99.9%；Described trihydroxy methyl amino
The mesh number of methane is 1200 mesh；The mesh number of described sodium borate is 1200 mesh.
The preparation method of a kind of MPS solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, MPS is mixed with lithium acetate, the most under nitrogen protection, is heated to 260 DEG C and stirs
90min, makes semi-finished product；
(2) last, semi-finished product are carried out with phenolic resin, ethyl sulfide sulfonic acid, trishydroxymethylaminomethane, nano-calcium carbonate magnesium
Mixing stirring, speed of agitator is 400r/min, and mixing time is 45min, carries out melted mixing subsequently, is vacuum dried and get final product.
Embodiment 5
A kind of MPS solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyphenyl second
45 parts of alkene, lithium acetate 18 parts, 10 parts of phenolic resin, ethyl sulfide sulfonic acid 6 parts, trishydroxymethylaminomethane 6 parts, nano-calcium carbonate magnesium
1.4 part；The preparation method of described MPS is: mixed with sodium borate, 2-Sulfosuccinic acid, tripolycyanamide by polystyrene
Close, calcine 1h at 364 DEG C, be vacuum dried and get final product；The purity of described polystyrene is more than 99.9%；Described trihydroxy methyl amino
The mesh number of methane is 1200 mesh；The mesh number of described sodium borate is 1200 mesh.
The preparation method of a kind of MPS solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, MPS is mixed with lithium acetate, the most under nitrogen protection, is heated to 260 DEG C and stirs
90min, makes semi-finished product；
(2) last, semi-finished product are carried out with phenolic resin, ethyl sulfide sulfonic acid, trishydroxymethylaminomethane, nano-calcium carbonate magnesium
Mixing stirring, speed of agitator is 400r/min, and mixing time is 45min, carries out melted mixing subsequently, is vacuum dried and get final product.
Comparative example 1
A kind of polystyrene solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: polystyrene 40 parts, vinegar
Acid lithium 16 parts, 9 parts of phenolic resin, trishydroxymethylaminomethane 5 parts, 0.9 part of nano-calcium carbonate magnesium；The purity of described polystyrene is
More than 99.9%；The mesh number of described trishydroxymethylaminomethane is 1200 mesh.
The preparation method of a kind of polystyrene solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, polystyrene is mixed with lithium acetate, the most under nitrogen protection, is heated to 240 DEG C and stirs
78min, makes semi-finished product；
(2) last, semi-finished product and phenolic resin, trishydroxymethylaminomethane, nano-calcium carbonate magnesium are carried out mixing stirring, stirs
Mixing rotating speed is 400r/min, and mixing time is 45min, carries out melted mixing subsequently, is drying to obtain.
Comparative example 2
A kind of polystyrene solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: polystyrene 40 parts, vinegar
Acid lithium 16 parts, 9 parts of phenolic resin；The purity of described polystyrene is more than 99.9%.
The preparation method of a kind of polystyrene solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, polystyrene is mixed with lithium acetate, the most under nitrogen protection, is heated to 240 DEG C and stirs
78min, makes semi-finished product；
(2) last, semi-finished product and phenolic resin are carried out mixing stirring, speed of agitator is 400r/min, and mixing time is
45min, carries out melted mixing subsequently, is drying to obtain.
Comparative example 3
A kind of MPS solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyphenyl second
40 parts of alkene, lithium acetate 16 parts, 9 parts of phenolic resin, trishydroxymethylaminomethane 5 parts, 0.9 part of nano-calcium carbonate magnesium；Described modification gathers
Cinnamic preparation method is: mixed with sodium borate, 2-Sulfosuccinic acid, tripolycyanamide by polystyrene, calcines 1h at 364 DEG C,
It is vacuum dried and get final product；The purity of described polystyrene is more than 99.9%；The mesh number of described trishydroxymethylaminomethane is 1200
Mesh；The mesh number of described sodium borate is 1200 mesh.
The preparation method of a kind of MPS solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, MPS is mixed with lithium acetate, the most under nitrogen protection, is heated to 240 DEG C and stirs
78min, makes semi-finished product；
(2) last, semi-finished product and phenolic resin, trishydroxymethylaminomethane, nano-calcium carbonate magnesium are carried out mixing stirring, stirs
Mixing rotating speed is 400r/min, and mixing time is 45min, carries out melted mixing subsequently, is drying to obtain.
Test experience
Solar energy lithium electricity positive electrode embodiment 1-5 and comparative example 1-3 prepared is prepared as 1665132 model lithium ions
Electrokinetic cell (the lamination soft-package battery of model H16*W65*L132mm), compacted density is at 3.0g/cm3Above, volume energy is close
Degree is at more than 450Wh/L；Battery core is under 3.0V-4.2V voltage, and 1C electric discharge gram volume plays more than 120mAh/g.
Prepared lithium ion battery has the cycle performance of excellence, and under room temperature, 2000 capacity of 1C charge and discharge circulation are maintained at
More than 90%；Under 6C multiplying power, electric discharge is more than the 98% of 1C capacity；3C/10V overcharges test, and battery is the most on fire does not explodes；High temperature follows
Ring is excellent, and at 60 DEG C, 1000 capacity of 1C charge and discharge circulation are maintained at more than 88%；There is good security performance, acupuncture, extruding,
Overcharge, cross put etc. test do not explode, the most on fire.Concrete test result is shown in Table 1:
Table 1
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 the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (8)
1. a MPS solar energy lithium electricity positive electrode, it is characterised in that according to the primary raw material of weight portion be: change
Property polystyrene 35-45 part, lithium acetate 5-18 part, phenolic resin 8-10 part, ethyl sulfide sulfonic acid 2-6 part, trihydroxy methyl amino first
Alkane 2-6 part, nano-calcium carbonate magnesium 0.4-1.4 part；The preparation method of described MPS is: by polystyrene and sodium borate,
2-Sulfosuccinic acid, tripolycyanamide mix, and calcine 1h, be vacuum dried and get final product at 364 DEG C.
MPS solar energy lithium electricity positive electrode the most according to claim 1, it is characterised in that described modification gathers
Styrene solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: MPS 39-42 part, lithium acetate 9-
17 parts, phenolic resin 8-10 part, ethyl sulfide sulfonic acid 2-6 part, trishydroxymethylaminomethane 2-6 part, nano-calcium carbonate magnesium 0.8-1.1
Part；The preparation method of described MPS is: mixed with sodium borate, 2-Sulfosuccinic acid, tripolycyanamide by polystyrene,
Calcine 1h at 364 DEG C, be vacuum dried and get final product.
MPS solar energy lithium electricity positive electrode the most according to claim 1 and 2, it is characterised in that described in change
Property polystyrene solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: MPS 40 parts, lithium acetate 16
Part, 9 parts of phenolic resin, ethyl sulfide sulfonic acid 4 parts, trishydroxymethylaminomethane 5 parts, 0.9 part of nano-calcium carbonate magnesium；Described modified polyphenyl
The preparation method of ethylene is: mixed with sodium borate, 2-Sulfosuccinic acid, tripolycyanamide by polystyrene, calcines 1h, very at 364 DEG C
Sky is drying to obtain.
MPS solar energy lithium electricity positive electrode the most according to claim 3, it is characterised in that described polyphenyl second
The purity of alkene is more than 99.9%.
MPS solar energy lithium electricity positive electrode the most according to claim 4, it is characterised in that described three hydroxyl first
The mesh number of base aminomethane is 1200 mesh.
MPS solar energy lithium electricity positive electrode the most according to claim 5, it is characterised in that described sodium borate
Mesh number be 1200 mesh.
7. a preparation method for the MPS solar energy lithium electricity positive electrode as described in claim 1-6 is arbitrary, its
It is characterised by, concretely comprises the following steps:
(1) first, MPS is mixed with lithium acetate, the most under nitrogen protection, is heated to 220 DEG C-260 DEG C and stirs
Mix 60min-90min, make semi-finished product；
(2) last, semi-finished product are mixed with phenolic resin, ethyl sulfide sulfonic acid, trishydroxymethylaminomethane, nano-calcium carbonate magnesium
Stirring, speed of agitator is 400r/min, and mixing time is 45min, carries out melted mixing subsequently, is vacuum dried and get final product.
The preparation method of MPS solar energy lithium electricity positive electrode the most according to claim 7, it is characterised in that
Step (1) is heated to 240 DEG C and stirs 78min.
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Application publication date: 20161109 |
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