CN104377352A - Method for preparing lithium ion power battery negative electrode material and application of lithium ion power battery negative electrode material - Google Patents
Method for preparing lithium ion power battery negative electrode material and application of lithium ion power battery negative electrode material Download PDFInfo
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- CN104377352A CN104377352A CN201410564255.0A CN201410564255A CN104377352A CN 104377352 A CN104377352 A CN 104377352A CN 201410564255 A CN201410564255 A CN 201410564255A CN 104377352 A CN104377352 A CN 104377352A
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- power battery
- ion power
- lithium
- negative electrode
- lithium ion
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000007773 negative electrode material Substances 0.000 title abstract 9
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000178 monomer Substances 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 239000004094 surface-active agent Substances 0.000 claims abstract description 5
- 238000005406 washing Methods 0.000 claims abstract description 5
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 4
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 44
- 150000001875 compounds Chemical class 0.000 claims description 23
- 239000004408 titanium dioxide Substances 0.000 claims description 22
- 229920000128 polypyrrole Polymers 0.000 claims description 16
- 239000010406 cathode material Substances 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 13
- 229910000314 transition metal oxide Inorganic materials 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical group [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 6
- 239000003792 electrolyte Substances 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 230000035484 reaction time Effects 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- 238000005119 centrifugation Methods 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 239000011651 chromium Substances 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 4
- 239000010452 phosphate Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 4
- 238000002242 deionisation method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000001035 drying Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 4
- 229910052757 nitrogen Inorganic materials 0.000 abstract 2
- 231100000053 low toxicity Toxicity 0.000 abstract 1
- 231100000957 no side effect Toxicity 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000004087 circulation Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000011366 tin-based material Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to a method for preparing a lithium ion power battery negative electrode material and application of the lithium ion power battery negative electrode material. The lithium ion power battery negative electrode material is prepared by the steps of reacting a pyrrole monomer, a surfactant and a nitrogen doped metal oxide reaction so as to obtain a product I, separating the product I easily so as to obtain a product II, washing the product II and drying the washed product II to obtain finished product. The obtained lithium ion power battery negative electrode material has the advantages of large specific capacity, high cycle stability, low toxicity, and low energy consumption, and is a lithium ion negative electrode material with the good performance. In addition, the method for preparing the lithium ion power battery negative electrode material is easy to operate, has no pollution to the environment and no side effect, is low in cost, and is a feasible method; the lithium ion power battery negative electrode material is convenient to use. The invention also relates to a preparing method for the nitrogen doped metal oxide. The method has the advantages of being low in production cost, great in feasibility, easy in achievement of industrial mass production.
Description
Technical field
The invention belongs to field of electrochemical power source, be specifically related to a kind of cathode material for lithium-ion power battery preparation method and application.
Background technology
Lithium-ion-power cell has that lot of advantages is as high in voltage, the volume little life-span is long etc., and it has progressively entered into new-energy automobile field and energy-storage battery field, becomes the emphasis of electrochemical field research.
Lithium-ion-power cell mainly comprises four parts usually: positive pole, negative pole, electrolyte and barrier film, electrolyte primary attachment is in barrier film, it is the carrier of lithium ion movement between positive/negative plate, the negative material that current lithium-ion-power cell uses is mainly carbon negative pole material, as electrographite, native graphite etc., but because material with carbon element exists the shortcoming such as larger energy loss and high-rate charge-discharge capability difference, the easy precipitating metal lithium of carbon electrodes simultaneously, form dendrite and cause short circuit, therefore, the goal in research of people be find more reliable, more efficient novel lithium battery cathode material.Report a large amount of non-carbon negative material in recent years as lithium iron composite material, tin-based material, silica-base material and other novel alloy material.As Chinese patent CN103367727A reports the lithium-ion-power cell of silicon-carbon cathode material, the specific capacity of prepared carbon silicon materials is greater than 450mAh/g, and efficiency is greater than 85% first, circulates 60 capability retentions more than 97%.Chinese patent CN103456934A discloses a kind of carbon doping titanium dioxide/carbon composite fibre for cathode material of lithium-ion power battery, and the battery of gained first discharge capacity is 353 ~ 364mAh/g, and the charging capacity after 100 circulations is 268 mAh/g.
Summary of the invention
Just in order to solve the deficiencies in the prior art, the invention provides and a kind ofly there is height ratio capacity and repeatedly still have cathode material of lithium-ion power battery compared with charge capacity after circulation.A kind of method that another object of the present invention provides easy and simple to handle, environmentally safe, there is not side reaction, prepares cathode material of lithium-ion power battery N doping transition metal oxide and polypyrrole compound inexpensively.The preparation method preparing nitrogen-doped titanium dioxide that 3rd object of the present invention is to provide that a kind of production cost is low, feasibility is large, be easy to realize industrial mass manufacture.
For realizing above object, the invention provides following technical scheme:
A kind of cathode material of lithium-ion power battery preparation method, is characterized in that,
(1) compound concentration is the pyrrole monomer aqueous solution of 0.01 ~ 0.5M, ultrasonic 0.5 ~ 1 hour;
(2), after adding surfactant and N doping transition metal oxide in the chromium solution of step (1) gained, after ultrasonic 10 ~ 20 minutes, react in microwave;
(3) after question response terminates, obtain solid by centrifugation, then after deionization washing, place in baking oven, oven temperature is 100 ~ 200 DEG C, obtains the compound of N doping metal oxide and polypyrrole after dry 1 ~ 2 hour.
Described N doping transition metal oxide is preferably nitrogen-doped titanium dioxide, described surfactant is dodecyl sodium sulfate, the mol ratio of described pyrrole monomer, titanium dioxide and dodecyl sodium sulfate is 1:0.2 ~ 5:0.05 ~ 0.5, is preferably 1:0.5 ~ 2:0.1 ~ 0.2.
Wherein, described nitrogen-doped titanium dioxide obtains by the following method: join in the distilled water of 30 ~ 40 parts of weight ratios for 1:0.1 ~ 5:0.2 ~ 2 take titanium tetrachloride, methylamine and urea successively in mass ratio, after being fully uniformly mixed, mixed liquor is joined in hydrothermal reactor, be 2 ~ 10MPa at pressure, temperature is react at 120 ~ 180 DEG C, reaction time is 5 ~ 15 hours, and gained material is obtained nitrogen-doped titanium dioxide through washing, alcohol wash, oven dry.
Wherein, in step (1), compound concentration is the pyrrole monomer aqueous solution of 0.05 ~ 0.2M, and the power reacted in step (2) microwave is 120 ~ 160KW, and reaction temperature is 80 ~ 120 DEG C, 5 ~ 15 minutes reaction time.In step (3), oven temperature is 120 ~ 180 DEG C.
The compound of the N doping transition metal oxide that the preparation method of cathode material of lithium-ion power battery as above prepares and polypyrrole.
The application of the compound of N doping transition metal oxide as above and polypyrrole, also include: get the compression of the compound of N doping transition metal oxide and polypyrrole, carbon black and polyvinyl chloride and make work electrode, lithium hexafluoro phosphate is as electrolyte, test the charge-discharge performance of this lithium-ion-power cell, with the current density discharge and recharge of 50mAh/g, first charge-discharge capacity is 578 ~ 586 mAh/g, circulate 200 not decay, and the charging capacity after 400 times that circulates is 468 ~ 479 mAh/g.
Technique effect: 1, the preparation method of negative material nitrogen-doped titanium dioxide of the present invention and polypyrrole compound is simple, easy to operate, environmentally safe, without side reaction, with low cost.2, nitrogen-doped titanium dioxide of the present invention and polypyrrole compound are applied to lithium-ion-power cell, and large, the high cyclical stability of lithium-ion-power cell specific capacity of gained, toxicity is little, energy consumption is low, good stability.3, the preparation method preparing nitrogen-doped titanium dioxide the invention provides that a kind of production cost is low, feasibility is large, being easy to realize industrial mass manufacture.
Accompanying drawing explanation
Fig. 1 is a process chart of the present invention.
Embodiment
Embodiment 1
Join in appropriate distilled water for 1:0.5:1 takes titanium tetrachloride, methylamine and urea successively in mass ratio, after being fully uniformly mixed, mixed liquor is joined in hydrothermal reactor, be 4MPa at pressure, temperature is react at 150 DEG C, reaction time is 10 hours, by gained material through distilled water wash 2 times, ethanol wash 2 times, dry obtained nitrogen-doped titanium dioxide.
Embodiment 2
Join in appropriate distilled water for 1:0.2:2 takes titanium tetrachloride, methylamine and urea successively in mass ratio, after being fully uniformly mixed, mixed liquor is joined in hydrothermal reactor, be 8MPa at pressure, temperature is react at 120 DEG C, reaction time is 6 hours, by gained material through distilled water wash 2 times, ethanol wash 2 times, dry obtained nitrogen-doped titanium dioxide.
Embodiment 3
(1) take 1g pyrrole monomer, compound concentration is the pyrrole monomer aqueous solution of 0.1M, ultrasonic 30 minutes;
(2), add 0.1g dodecyl sodium sulfate and the obtained nitrogen-doped titanium dioxide of 0.4g embodiment 1 in the chromium solution of step (1) gained after, after ultrasonic 10 minutes, reaction temperature is 120 DEG C, and reaction power is 120KW;
(3) after question response terminates, obtain solid by centrifugation, then after deionized water washs 3 times, place in baking oven, oven temperature is 120 DEG C, obtains the compound of nitrogen-doped titanium dioxide and polypyrrole after dry 2 hours.
The N doping transition metal oxide of gained and the compound of polypyrrole and carbon black and polyvinyl chloride compression are made work electrode, lithium hexafluoro phosphate is as electrolyte, test the charge-discharge performance of this lithium-ion-power cell, with the current density discharge and recharge of 50mA/g, first charge-discharge capacity is 582 mAh/g, circulate 200 not decay, and the charging capacity after 400 times that circulates is 493mAh/g.
Embodiment 4
(1) take 1g pyrrole monomer, compound concentration is the pyrrole monomer aqueous solution of 0.05M, ultrasonic 30 minutes;
(2), add the obtained nitrogen-doped titanium dioxide 2g of embodiment 2 in the chromium solution of step (1) gained after, after ultrasonic 10 minutes, react 5 minutes in microwave, reaction temperature is 100 DEG C, and reaction power is 160KW;
(3) after question response terminates, obtain solid by centrifugation, then after deionized water washs 3 times, place in baking oven, oven temperature is 150 DEG C, obtains the compound of nitrogen-doped titanium dioxide and polypyrrole after dry 1 hour.
The N doping transition metal oxide of gained and the compound of polypyrrole and carbon black and polyvinyl chloride compression are made work electrode, lithium hexafluoro phosphate is as electrolyte, test the charge-discharge performance of this lithium-ion-power cell, with the current density discharge and recharge of 50mA/g, first charge-discharge capacity is 594 mAh/g, circulate 200 not decay, and the charging capacity after 400 times that circulates is 502mAh/g.
Embodiment 5
(1) take 1g pyrrole monomer, compound concentration is the pyrrole monomer aqueous solution of 0.01M, ultrasonic 35 minutes;
(2), add 0.2g dodecyl sodium sulfate and the obtained nitrogen-doped titanium dioxide 4g of embodiment 1 in the chromium solution of step (1) gained after, after ultrasonic 15 minutes, react 8 minutes in microwave, reaction temperature is 100 DEG C, and reaction power is 160KW;
(3) after question response terminates, obtain solid by centrifugation, then after deionized water washs 3 times, place in baking oven, oven temperature is 140 DEG C, obtains the compound of nitrogen-doped titanium dioxide and polypyrrole after dry 1.5 hours.
In a word, above-described embodiment is only better embodiment of the present invention, in enforcement of the present invention, 1. the concentration of the pyrrole monomer aqueous solution of first step is an optional concentration value between 0.01M, 0.03M, 0.05M, 0.1M, 0.2M, 0.3M, 0.4M, 0.5M; 2. in the second step, after adding nitrogen-doped titanium dioxide, an optional time value between ultrasonic 10 minutes, 12 minutes, 15 minutes, 18 minutes, 20 minutes, 25 minutes, and in microwave, react a selection time value between 3 minutes, 5 minutes, 8 minutes, 10 minutes, 15 minutes, 18 minutes, 20 minutes, reaction temperature is select a temperature arbitrarily between 100 DEG C, 120 DEG C, 140 DEG C, 150 DEG C, 160 DEG C, 180 DEG C, 200 DEG C.In third step, oven temperature is select a temperature value between 100 DEG C, 120 DEG C, 140 DEG C, 150 DEG C, 160 DEG C, 180 DEG C, within dry 1 hour, 1.2 hours, 1.5 hours, 1.8 hours, 2 hours, selects a drying time values.The combination in any of the parameter in above-mentioned 1,2,3 three condition, all belongs in interest field of the present invention.
Above-described embodiment not imposes any restrictions technical scope of the present invention.The technical staff of the industry, under the inspiration of the technical program, some distortion and amendment can be made, every above embodiment is done according to technical spirit of the present invention any amendment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (7)
1. a cathode material of lithium-ion power battery preparation method, is characterized in that,
(1) compound concentration is the pyrrole monomer aqueous solution of 0.01 ~ 0.5M, ultrasonic 0.5 ~ 1 hour;
(2), after adding surfactant and N doping transition metal oxide in the chromium solution of step (1) gained, after ultrasonic 10 ~ 20 minutes, react in microwave;
(3) after question response terminates, obtain solid by centrifugation, then after deionization washing, place in baking oven, oven temperature is 100 ~ 200 DEG C, obtains the compound of N doping metal oxide and polypyrrole after dry 1-2 hour.
2. a kind of cathode material of lithium-ion power battery preparation method as claimed in claim 1, is characterized in that, described N doping transition metal oxide is nitrogen-doped titanium dioxide, and described surfactant is dodecyl sodium sulfate.
3. a kind of cathode material of lithium-ion power battery preparation method as claimed in claim 2, it is characterized in that, described nitrogen-doped titanium dioxide obtains by the following method: join in appropriate distilled water for 1:0.1 ~ 5:0.2 ~ 2 take titanium tetrachloride, methylamine and urea successively in mass ratio, after being fully uniformly mixed, mixed liquor is joined in hydrothermal reactor, be 2 ~ 10MPa at pressure, temperature is react at 120 ~ 180 DEG C, reaction time is 5 ~ 15 hours, and gained material is obtained nitrogen-doped titanium dioxide through washing, alcohol wash, oven dry.
4. a kind of cathode material of lithium-ion power battery preparation method as claimed in claim 2, it is characterized in that, it is characterized in that, the mass ratio of described pyrrole monomer, titanium dioxide and dodecyl sodium sulfate is 1:0.2 ~ 5:0.05 ~ 0.5, the power reacted in step (2) microwave is 120 ~ 160KW, reaction temperature is 80 ~ 120 DEG C, 5 ~ 15 minutes reaction time.
5. the transition metal oxide as described in as arbitrary in claim 1-4 and the preparation method of polypyrrole compound, is characterized in that, in step (1), compound concentration is the pyrrole monomer aqueous solution of 0.05 ~ 0.2M, and in step (3), oven temperature is 120 ~ 180 DEG C.
6. the compound of the N doping transition metal oxide that a kind of cathode material of lithium-ion power battery preparation method as described in as arbitrary in claim 5 prepares and polypyrrole.
7. the application of a kind of cathode material of lithium-ion power battery as claimed in claim 6, it is characterized in that, get the compression of the compound of N doping transition metal oxide and polypyrrole, carbon black and polyvinyl chloride and make work electrode, lithium hexafluoro phosphate is as electrolyte, test the charge-discharge performance of this lithium-ion-power cell, with the current density discharge and recharge of 50mAh/g, first charge-discharge capacity is 582 ~ 594 mAh/g, circulate 200 not decay, and the charging capacity after 400 times that circulates is 493 ~ 502 mAh/g.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104730065A (en) * | 2015-04-02 | 2015-06-24 | 天津力神电池股份有限公司 | Method for evaluating stability of positive material |
| CN110444411A (en) * | 2019-08-26 | 2019-11-12 | 河北省科学院能源研究所 | A kind of conductive organic polymer package phenolic resin base porous carbon composite material |
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| CN103276393A (en) * | 2013-05-23 | 2013-09-04 | 太原理工大学 | Preparation method of nitrogen (N)-doped titanium dioxide (TiO2) porous film on surface of stainless steel matrix |
| CN103915608A (en) * | 2014-04-14 | 2014-07-09 | 惠州市汉派电池科技有限公司 | Negative electrode material for lithium ion power battery, preparation method and application of negative electrode material |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102263228A (en) * | 2010-04-12 | 2011-11-30 | 贝伦诺斯清洁电力控股有限公司 | Transition metal oxidenitirdes and transition metal oxide with nitrogen impurity |
| CN103276393A (en) * | 2013-05-23 | 2013-09-04 | 太原理工大学 | Preparation method of nitrogen (N)-doped titanium dioxide (TiO2) porous film on surface of stainless steel matrix |
| CN103915608A (en) * | 2014-04-14 | 2014-07-09 | 惠州市汉派电池科技有限公司 | Negative electrode material for lithium ion power battery, preparation method and application of negative electrode material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730065A (en) * | 2015-04-02 | 2015-06-24 | 天津力神电池股份有限公司 | Method for evaluating stability of positive material |
| CN110444411A (en) * | 2019-08-26 | 2019-11-12 | 河北省科学院能源研究所 | A kind of conductive organic polymer package phenolic resin base porous carbon composite material |
| CN110444411B (en) * | 2019-08-26 | 2021-08-17 | 河北省科学院能源研究所 | Conductive organic polymer coated phenolic resin matrix porous carbon composite material |
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