CN106207181A - A kind of modified polyacetylene solar energy lithium electricity positive electrode and preparation method thereof - Google Patents
A kind of modified polyacetylene solar energy lithium electricity positive electrode and preparation method thereof Download PDFInfo
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- CN106207181A CN106207181A CN201610687271.8A CN201610687271A CN106207181A CN 106207181 A CN106207181 A CN 106207181A CN 201610687271 A CN201610687271 A CN 201610687271A CN 106207181 A CN106207181 A CN 106207181A
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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
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
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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
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
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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
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
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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 modified polyacetylene solar energy lithium electricity positive electrode and preparation method thereof, described modified polyacetylene solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyacetylene 35 45 parts, lithium acetate 12 18 parts, diisocyanate 8 10 parts, tributyl phosphate 26 parts, trishydroxymethylaminomethane 26 parts, nanometer phenyl-magnesium-chloride 0.5 1.5 parts；The preparation method of described modified polyacetylene is: mixed with mercaptoethanol, poly-ferric chloride, sodium sulfide by polyacetylene, the lower 165 DEG C of reaction 2h of 5MPa, is vacuum dried and get final product.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 modified polyacetylene solar energy lithium electricity positive electrode and
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 modified polyacetylene solar energy lithium electricity positive electrode and preparation method thereof, to solve
The problem certainly proposed in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of modified polyacetylene solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyacetylene 35-
45 parts, lithium acetate 12-18 part, diisocyanate 8-10 part, tributyl phosphate 2-6 part, trishydroxymethylaminomethane 2-6 part, receive
Rice phenyl-magnesium-chloride 0.5-1.5 part；The preparation method of described modified polyacetylene is: by polyacetylene and mercaptoethanol, polyaluminium
Ferrum, sodium sulfide mix, the lower 165 DEG C of reaction 2h of 5MPa, are vacuum dried and get final product.
As the further scheme of the present invention: described modified polyacetylene solar energy lithium electricity positive electrode, according to weight portion
Primary raw material is: modified polyacetylene 39-42 part, lithium acetate 14-17 part, diisocyanate 8-10 part, tributyl phosphate 2-6 part,
Trishydroxymethylaminomethane 2-6 part, nanometer phenyl-magnesium-chloride 0.8-1.1 part；The preparation method of described modified polyacetylene is: will be poly-
Acetylene mixes with mercaptoethanol, poly-ferric chloride, sodium sulfide, the lower 165 DEG C of reaction 2h of 5MPa, is vacuum dried and get final product.
As the further scheme of the present invention: described modified polyacetylene solar energy lithium electricity positive electrode, according to weight portion
Primary raw material is: modified polyacetylene 40 parts, lithium acetate 16 parts, diisocyanate 9 parts, tributyl phosphate 4 parts, trihydroxy methyl amino
5 parts of methane, nanometer phenyl-magnesium-chloride 0.9 part；The preparation method of described modified polyacetylene is: by polyacetylene and mercaptoethanol, gather
Close iron chloride, sodium sulfide mixing, the lower 165 DEG C of reaction 2h of 5MPa, it is vacuum dried and get final product.
As the further scheme of the present invention: the purity of described polyacetylene 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 poly-ferric chloride is 1200 mesh.
The preparation method of a kind of modified polyacetylene solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, modification polyacetylene is mixed with lithium acetate, the most under nitrogen protection, is heated to 143 DEG C-175 DEG C also
Stirring 60min-90min, makes semi-finished product；
(2) last, by semi-finished product and diisocyanate, tributyl phosphate, trishydroxymethylaminomethane, nanometer tetraphenylphosphonium chloride
Magnesium carries out mixing stirring, and speed of agitator is 400r/min, and mixing time is 45min, carries out melted mixing subsequently, and vacuum drying is i.e.
?.
As the further scheme of the present invention: step (1) is heated to 158 DEG C and stirs 80min.
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 modified polyacetylene solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyacetylene 35
Part, lithium acetate 12 parts, diisocyanate 8 parts, tributyl phosphate 2 parts, trishydroxymethylaminomethane 2 parts, nanometer phenyl-magnesium-chloride
0.5 part；The preparation method of described modified polyacetylene is: mixed with mercaptoethanol, poly-ferric chloride, sodium sulfide by polyacetylene,
The lower 165 DEG C of reaction 2h of 5MPa, are vacuum dried and get final product；The purity of described polyacetylene is more than 99.9%；Described trihydroxy methyl amino
The mesh number of methane is 1200 mesh；The mesh number of described poly-ferric chloride is 1200 mesh.
The preparation method of a kind of modified polyacetylene solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, modification polyacetylene is mixed with lithium acetate, the most under nitrogen protection, is heated to 143 DEG C and stirs
60min, makes semi-finished product；
(2) last, by semi-finished product and diisocyanate, tributyl phosphate, trishydroxymethylaminomethane, nanometer tetraphenylphosphonium chloride
Magnesium carries out mixing stirring, and speed of agitator is 400r/min, and mixing time is 45min, carries out melted mixing subsequently, and vacuum drying is i.e.
?.
Embodiment 2
A kind of modified polyacetylene solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyacetylene 39
Part, lithium acetate 14 parts, diisocyanate 8 parts, tributyl phosphate 2 parts, trishydroxymethylaminomethane 2 parts, nanometer phenyl-magnesium-chloride
0.8 part；The preparation method of described modified polyacetylene is: mixed with mercaptoethanol, poly-ferric chloride, sodium sulfide by polyacetylene,
The lower 165 DEG C of reaction 2h of 5MPa, are vacuum dried and get final product；The purity of described polyacetylene is more than 99.9%；Described trihydroxy methyl amino
The mesh number of methane is 1200 mesh；The mesh number of described poly-ferric chloride is 1200 mesh.
The preparation method of a kind of modified polyacetylene solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, modification polyacetylene is mixed with lithium acetate, the most under nitrogen protection, is heated to 143 DEG C and stirs
60min, makes semi-finished product；
(2) last, by semi-finished product and diisocyanate, tributyl phosphate, trishydroxymethylaminomethane, nanometer tetraphenylphosphonium chloride
Magnesium carries out mixing stirring, and speed of agitator is 400r/min, and mixing time is 45min, carries out melted mixing subsequently, and vacuum drying is i.e.
?.
Embodiment 3
A kind of modified polyacetylene solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyacetylene 40
Part, lithium acetate 16 parts, diisocyanate 9 parts, tributyl phosphate 4 parts, trishydroxymethylaminomethane 5 parts, nanometer phenyl-magnesium-chloride
0.9 part；The preparation method of described modified polyacetylene is: mixed with mercaptoethanol, poly-ferric chloride, sodium sulfide by polyacetylene,
The lower 165 DEG C of reaction 2h of 5MPa, are vacuum dried and get final product；The purity of described polyacetylene is more than 99.9%；Described trihydroxy methyl amino
The mesh number of methane is 1200 mesh；The mesh number of described poly-ferric chloride is 1200 mesh.
The preparation method of a kind of modified polyacetylene solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, modification polyacetylene is mixed with lithium acetate, the most under nitrogen protection, is heated to 158 DEG C and stirs
80min, makes semi-finished product；
(2) last, by semi-finished product and diisocyanate, tributyl phosphate, trishydroxymethylaminomethane, nanometer tetraphenylphosphonium chloride
Magnesium carries out mixing stirring, and speed of agitator is 400r/min, and mixing time is 45min, carries out melted mixing subsequently, and vacuum drying is i.e.
?.
Embodiment 4
A kind of modified polyacetylene solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyacetylene 42
Part, lithium acetate 17 parts, diisocyanate 10 parts, tributyl phosphate 6 parts, trishydroxymethylaminomethane 6 parts, nanometer phenyl-magnesium-chloride
1.1 part；The preparation method of described modified polyacetylene is: mixed with mercaptoethanol, poly-ferric chloride, sodium sulfide by polyacetylene,
The lower 165 DEG C of reaction 2h of 5MPa, are vacuum dried and get final product；The purity of described polyacetylene is more than 99.9%；Described trihydroxy methyl amino
The mesh number of methane is 1200 mesh；The mesh number of described poly-ferric chloride is 1200 mesh.
The preparation method of a kind of modified polyacetylene solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, modification polyacetylene is mixed with lithium acetate, the most under nitrogen protection, is heated to 175 DEG C and stirs
90min, makes semi-finished product；
(2) last, by semi-finished product and diisocyanate, tributyl phosphate, trishydroxymethylaminomethane, nanometer tetraphenylphosphonium chloride
Magnesium carries out mixing stirring, and speed of agitator is 400r/min, and mixing time is 45min, carries out melted mixing subsequently, and vacuum drying is i.e.
?.
Embodiment 5
A kind of modified polyacetylene solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyacetylene 45
Part, lithium acetate 18 parts, diisocyanate 10 parts, tributyl phosphate 6 parts, trishydroxymethylaminomethane 6 parts, nanometer phenyl-magnesium-chloride
1.5 part；The preparation method of described modified polyacetylene is: mixed with mercaptoethanol, poly-ferric chloride, sodium sulfide by polyacetylene,
The lower 165 DEG C of reaction 2h of 5MPa, are vacuum dried and get final product；The purity of described polyacetylene is more than 99.9%；Described trihydroxy methyl amino
The mesh number of methane is 1200 mesh；The mesh number of described poly-ferric chloride is 1200 mesh.
The preparation method of a kind of modified polyacetylene solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, modification polyacetylene is mixed with lithium acetate, the most under nitrogen protection, is heated to 175 DEG C and stirs
90min, makes semi-finished product；
(2) last, by semi-finished product and diisocyanate, tributyl phosphate, trishydroxymethylaminomethane, nanometer tetraphenylphosphonium chloride
Magnesium carries out mixing stirring, and speed of agitator is 400r/min, and mixing time is 45min, carries out melted mixing subsequently, and vacuum drying is i.e.
?.
Comparative example 1
A kind of polyacetylene solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: polyacetylene 40 parts, lithium acetate
16 parts, diisocyanate 9 parts, trishydroxymethylaminomethane 5 parts, nanometer phenyl-magnesium-chloride 0.9 part；The purity of described polyacetylene is
More than 99.9%；The mesh number of described trishydroxymethylaminomethane is 1200 mesh.
The preparation method of a kind of polyacetylene solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, polyacetylene is mixed with lithium acetate, the most under nitrogen protection, is heated to 158 DEG C and stirs 80min,
Make semi-finished product；
(2) last, semi-finished product are mixed with diisocyanate, trishydroxymethylaminomethane, nanometer phenyl-magnesium-chloride
Stirring, speed of agitator is 400r/min, and mixing time is 45min, carries out melted mixing subsequently, is drying to obtain.
Comparative example 2
A kind of polyacetylene solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: polyacetylene 40 parts, lithium acetate
16 parts, diisocyanate 9 parts；The purity of described polyacetylene is more than 99.9%.
The preparation method of a kind of polyacetylene solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, polyacetylene is mixed with lithium acetate, the most under nitrogen protection, is heated to 158 DEG C and stirs 80min,
Make semi-finished product；
(2) last, semi-finished product and diisocyanate are carried out mixing stirring, speed of agitator is 400r/min, mixing time
For 45min, carry out melted mixing subsequently, be drying to obtain.
Comparative example 3
A kind of modified polyacetylene solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyacetylene 40
Part, lithium acetate 16 parts, diisocyanate 9 parts, trishydroxymethylaminomethane 5 parts, nanometer phenyl-magnesium-chloride 0.9 part；Described modification
The preparation method of polyacetylene is: mixed with mercaptoethanol, poly-ferric chloride, sodium sulfide by polyacetylene, the lower 165 DEG C of reactions of 5MPa
2h, is vacuum dried and get final product；The purity of described polyacetylene is more than 99.9%；The mesh number of described trishydroxymethylaminomethane is 1200
Mesh；The mesh number of described poly-ferric chloride is 1200 mesh.
The preparation method of a kind of modified polyacetylene solar energy lithium electricity positive electrode, concretely comprises the following steps:
(1) first, modification polyacetylene is mixed with lithium acetate, the most under nitrogen protection, is heated to 158 DEG C and stirs
80min, makes semi-finished product；
(2) last, semi-finished product are mixed with diisocyanate, trishydroxymethylaminomethane, nanometer phenyl-magnesium-chloride
Stirring, speed of agitator 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 modified polyacetylene solar energy lithium electricity positive electrode, it is characterised in that be according to the primary raw material of weight portion: modified
Polyacetylene 35-45 part, lithium acetate 12-18 part, diisocyanate 8-10 part, tributyl phosphate 2-6 part, trishydroxymethylaminomethane
2-6 part, nanometer phenyl-magnesium-chloride 0.5-1.5 part；The preparation method of described modified polyacetylene is: by polyacetylene and mercaptoethanol,
Poly-ferric chloride, sodium sulfide mix, the lower 165 DEG C of reaction 2h of 5MPa, are vacuum dried and get final product.
Modified polyacetylene solar energy lithium electricity positive electrode the most according to claim 1, it is characterised in that the poly-second of described modification
Alkynes solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyacetylene 39-42 part, lithium acetate 14-17 part,
Diisocyanate 8-10 part, tributyl phosphate 2-6 part, trishydroxymethylaminomethane 2-6 part, nanometer phenyl-magnesium-chloride 0.8-1.1
Part；The preparation method of described modified polyacetylene is: mixed with mercaptoethanol, poly-ferric chloride, sodium sulfide by polyacetylene, under 5MPa
165 DEG C of reaction 2h, are vacuum dried and get final product.
Modified polyacetylene solar energy lithium electricity positive electrode the most according to claim 1 and 2, it is characterised in that described modification
Polyacetylene solar energy lithium electricity positive electrode, according to the primary raw material of weight portion be: modified polyacetylene 40 parts, lithium acetate 16 parts, two
Isocyanates 9 parts, tributyl phosphate 4 parts, trishydroxymethylaminomethane 5 parts, nanometer phenyl-magnesium-chloride 0.9 part；Described modification gathers
The preparation method of acetylene is: mixed with mercaptoethanol, poly-ferric chloride, sodium sulfide by polyacetylene, the lower 165 DEG C of reaction 2h of 5MPa,
It is vacuum dried and get final product.
Modified polyacetylene solar energy lithium electricity positive electrode the most according to claim 3, it is characterised in that described polyacetylene
Purity is more than 99.9%.
Modified polyacetylene solar energy lithium electricity positive electrode the most according to claim 4, it is characterised in that described trihydroxy methyl
The mesh number of aminomethane is 1200 mesh.
Modified polyacetylene solar energy lithium electricity positive electrode the most according to claim 5, it is characterised in that described polyaluminium
The mesh number of ferrum is 1200 mesh.
7. a preparation method for the modified polyacetylene solar energy lithium electricity positive electrode as described in claim 1-6 is arbitrary, it is special
Levy and be, concretely comprise the following steps:
(1) first, modification polyacetylene is mixed with lithium acetate, the most under nitrogen protection, is heated to 143 DEG C-175 DEG C and stirs
60min-90min, makes semi-finished product；
(2) last, semi-finished product are entered with diisocyanate, tributyl phosphate, trishydroxymethylaminomethane, nanometer phenyl-magnesium-chloride
Row 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.
The preparation method of modified polyacetylene solar energy lithium electricity positive electrode the most according to claim 7, it is characterised in that step
(1) is heated to 158 DEG C suddenly and stirs 80min.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420323A (en) * | 2011-03-03 | 2012-04-18 | 中国科学院宁波材料技术与工程研究所 | Electrode composite material of lithium secondary battery and preparation method thereof |
| CN103682356A (en) * | 2012-09-18 | 2014-03-26 | 华为技术有限公司 | Lithium ion battery anode material and preparation method thereof |
-
2016
- 2016-08-18 CN CN201610687271.8A patent/CN106207181A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420323A (en) * | 2011-03-03 | 2012-04-18 | 中国科学院宁波材料技术与工程研究所 | Electrode composite material of lithium secondary battery and preparation method thereof |
| CN103682356A (en) * | 2012-09-18 | 2014-03-26 | 华为技术有限公司 | Lithium ion battery anode material and preparation method thereof |
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| Title |
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| 左然: "《可再生能源概论》", 31 May 2015 * |
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Application publication date: 20161207 |
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| RJ01 | Rejection of invention patent application after publication |