CN102263264A - Free radical polymer/graphene composite material and preparation method thereof as well as application thereof - Google Patents
Free radical polymer/graphene composite material and preparation method thereof as well as application thereof Download PDFInfo
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- CN102263264A CN102263264A CN2011101782784A CN201110178278A CN102263264A CN 102263264 A CN102263264 A CN 102263264A CN 2011101782784 A CN2011101782784 A CN 2011101782784A CN 201110178278 A CN201110178278 A CN 201110178278A CN 102263264 A CN102263264 A CN 102263264A
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention provides a free radical polymer/graphene composite material and a preparation method thereof as well as application thereof. The free radical polymer/graphene composite material comprises free radical polymer and graphene; and the ratio of parts by weight of the free radical polymer to: graphene is (1-20): (1-10). The preparation method of the composite material comprises the following steps of: adding the free radical polymer and the graphene to N-methyl pyrrolidone to obtain a mixture; and drying the mixture to obtain the composite material. The preparation method of the free radical polymer/graphene composite material provided by the invention is simple; raw materials are easily obtained; the composite material is suitable for mass production, has high practical degree and can be directly used as the electrode material of the battery.
Description
Technical field
The present invention relates to a kind of free radical polyalcohol/graphene composite material and preparation method thereof and application.
Background technology
Along with the extensive use of lithium ion battery in communication, portable type electronic product, electric automobile and instant-plugging hybrid electric vehicle, to anode material for lithium-ion batteries (as LiCoO
2, LiMn
2O
4, LiFePO
4) and negative material (as C, Sn, research Si) is deep day by day.With respect to negative material, the research of positive electrode then relatively lags behind.Current, have mainly that inorganic positive electrode capacity is not high, mineral resources are limited, a problem such as energy resource consumption and environment in the preparation material.Organic compound can obtain by regenerative resource as positive electrode, and compound structure also can design as required.Free radical polyalcohol has high power capacity as the novel organic positive electrode of a class, characteristics such as good high rate performance and long circulation life and receiving publicity.Free radical polyalcohol is mainly the NO free radical polymer, and its architectural feature is a link TEMP NO free radical on polymer chain, and it is good to have chemical stability, dissolution characteristics not in most of organic electrolytes.Studying more NO free radical is PTMA and PTVE, in charging process, NO free radical is oxidized to the oxygen ammonium cation, the oxygen ammonium cation is reduced to free radical during discharge, single Electron Transfer Reactions takes place in charge and discharge process, voltage platform 3.5V, both theoretical capacities are respectively 111mAh/g and 134mAh/g.But the free radical polyalcohol poorly conductive need be compound with material with carbon element.Bibliographical information is mostly compound with raising conductivity with carbon fiber or active carbon.
Summary of the invention
The purpose of this invention is to provide a kind of free radical polyalcohol/graphene composite material and preparation method thereof and application.
A kind of free radical polyalcohol/graphene composite material provided by the invention is made up of free radical polyalcohol and Graphene; The ratio of quality and the number of copies of described free radical polyalcohol and described Graphene is (1-20): (1-10).
In the above-mentioned composite material, the ratio of quality and the number of copies of described free radical polyalcohol and described Graphene specifically can be 1: 6,1: 9,1: 4,1: 2,1: 1,2: 1,4: 1,6: 1,19: 1,1: 3,3: 1,12: 1 or 9: 1.
In the above-mentioned composite material, be connected with 2,2,6 on the chain of described free radical polyalcohol, 6-tetramethyl piperidine-1-oxygen radical (TEMPO NO free radical).
In the above-mentioned composite material, described free radical polyalcohol can be formula (A) (PTMA) and formula (B) (PTVE) shown in the compound any:
In the formula (A), n is the number of 200-700; In the formula (B), m is the number of 150-800.
The present invention also provides the preparation method of above-mentioned composite material, comprises the steps: that described free radical polyalcohol and Graphene are added in the N-methyl pyrrolidone to obtain mixture; Described mixture drying promptly gets described free radical polyalcohol/graphene composite material.
Among the above-mentioned preparation method, the temperature of described drying can be 80 ℃-120 ℃, specifically can be 80 ℃, 100 ℃ or 120 ℃; The time of described drying can be 12 hours-24 hours, specifically can be 12 hours, 15 hours, 16 hours, 18 hours, 20 hours or 24 hours.
The present invention also provides above-mentioned free radical polyalcohol/graphene composite material as the application in the anode material for lithium-ion batteries; In the described application, the bielectron transfer reaction can take place in described free radical polyalcohol/graphene composite material in the charge and discharge process of lithium ion battery; When the PTMA free radical polyalcohol/graphene composite material of the present invention's preparation in charge and discharge process the bielectron transfer reaction took place, capacity was up to 224mAh/g; When the PTVE free radical polyalcohol/graphene composite material of the present invention's preparation in charge and discharge process the bielectron transfer reaction took place, capacity was up to 270mAh/g.
Compared with prior art, the method for preparing free radical polyalcohol/graphene composite material provided by the invention is simple, and raw material is easy to get, suitable for mass production, and the degree of being practical height can be directly uses as the electrode material of battery.
Description of drawings
Fig. 1 is the electron scanning micrograph of free radical polyalcohol/graphene composite material among the embodiment 1.
Fig. 2 is the charging and discharging curve when PTMA free radical polyalcohol/graphene composite material is as anode material for lithium-ion batteries among the embodiment 1.
Embodiment
Employed experimental technique is conventional method if no special instructions among the following embodiment.
Used material, reagent etc. if no special instructions, all can obtain from commercial channels among the following embodiment.
Among the following embodiment of the present invention the chemical property of the composite material for preparing characterized and carry out in accordance with the following methods: composite material, carbon black and the binding agent PVDF (solvent is the N-methyl pyrrolidone) for preparing mixed at 70: 20: 10 being made into slurry with mass ratio, be coated to equably and obtain work electrode on the aluminum foil current collector, with the lithium sheet metal as to electrode, glass fibre membrane (Britain Whatman company) is as barrier film, 1mol/L LiPF
6(solvent is 1: 1: 1 ethylene carbonate of volume ratio, dimethyl carbonate and diethyl carbonate mixed liquor) as electrolyte, assembling obtains Swagelok type battery in glove box.
The Swagelok type battery of above-mentioned assembling is carried out charge-discharge test on charge-discharge test instrument LAND-CT2001A, the interval that discharges and recharges of test is 4.0-2.0V, and multiplying power is 1C.
PTMA (formula (A)) used among the following embodiment prepares in accordance with the following methods: with 4-methacrylic acid-2,2,6,6-tetramethyl piperidine alcohol ester is a raw material, makes initator with azodiisobutyronitrile under 70 ℃, and acetic acid is made solvent, polymerization reaction 12 hours, obtain the PTMA pressed powder with hydrogen peroxide oxidation again, wherein, n is the number of 200-700.
PTVE (formula (B)) used among the following embodiment prepares in accordance with the following methods: with 2,2,6,6-tetramethyl-pure and mild vinyl acetate of 1-piperidines is that raw material makes 2,2,6,6-tetramethyl piperidine-N-oxygen-4-vinylacetate (is made initator with boron trifluoride/ether down for 25 ℃, carrene is made solvent, polymerization reaction obtained the PTVE pressed powder in 24 hours, and wherein, m is the number of 150-800.
Embodiment 1, preparation PTMA/ graphene composite material
By PTMA: the ratio of quality and the number of copies of Graphene=1: 6 takes by weighing, and adds NMP and evenly obtains mixture as solvent; This mixture is carried out drying, and baking temperature is 120 ℃, and be 20h drying time, obtains pulverulent solids.
Its electron scanning micrograph as shown in Figure 1.
The chemical property of PTMA/ graphene composite material characterizes: the result as shown in Figure 2, synthetic PTMA/ graphene composite material has good charging and discharging curve, two place's charge and discharge platform occurred at 2.7-3.0V and 3.5-3.7V.As seen, when the PTMA/ graphene composite material of the present invention's preparation is used as anode material for lithium-ion batteries, has bielectron and shift chemical property, obtained discharge capacity up to 224mAh/g.
The PTMA/ graphene composite material and the simulated battery test result that prepare in the present embodiment are listed in table 1.
By PTMA: the ratio of quality and the number of copies of Graphene=1: 9 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 80 ℃, and be 12h drying time, obtains pulverulent solids.
The PTMA/ graphene composite material and the simulated battery test result that prepare in the present embodiment are listed in table 1.
Embodiment 3, preparation PTMA/ graphene composite material
By PTMA: the ratio of quality and the number of copies of Graphene=1: 4 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 80 ℃, and be 18h drying time, obtains pulverulent solids.
The PTMA/ graphene composite material and the simulated battery test result that prepare in the present embodiment are listed in table 1.
Embodiment 4, preparation PTMA/ graphene composite material
By PTMA: the ratio of quality and the number of copies of Graphene=1: 2 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 100 ℃, and be 15h drying time, obtains pulverulent solids.
The PTMA/ graphene composite material and the simulated battery test result that prepare in the present embodiment are listed in table 1.
Embodiment 5, preparation PTMA/ graphene composite material
By PTMA: the ratio of quality and the number of copies of Graphene=1: 1 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 120 ℃, and be 12h drying time, obtains pulverulent solids.
The PTMA/ graphene composite material and the simulated battery test result that prepare in the present embodiment are listed in table 1.
By PTMA: the ratio of quality and the number of copies of Graphene=2: 1 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 120 ℃, and be 12h drying time, obtains pulverulent solids.
The PTMA/ Graphene composite positive pole and the simulated battery test result that prepare in the present embodiment are listed in table 1.
Embodiment 7, preparation PTMA/ graphene composite material
By PTMA: the ratio of quality and the number of copies of Graphene=4: 1 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 120 ℃, and be 12h drying time, obtains pulverulent solids.
The PTMA/ graphene composite material and the simulated battery test result that prepare in the present embodiment are listed in table 1.
Embodiment 8, preparation PTMA/ graphene composite material
By PTMA: the ratio of quality and the number of copies of Graphene=6: 1 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 80 ℃, and be 24h drying time, obtains pulverulent solids.
The PTMA/ graphene composite material and the simulated battery test result that prepare in the present embodiment are listed in table 1.
Embodiment 9, preparation PTMA/ graphene composite material
By PTMA: the ratio of quality and the number of copies of Graphene=19: 1 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 100 ℃, and be 16h drying time, obtains pulverulent solids.
The PTMA/ graphene composite material and the simulated battery test result that prepare in the present embodiment are listed in table 1.
Embodiment 10, preparation PTVE/ graphene composite material
By PTVE: the ratio of quality and the number of copies of Graphene=1: 6 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 120 ℃, and be 12h drying time, obtains pulverulent solids.
The PTVE/ Graphene composite wood and the simulated battery test result that prepare in the present embodiment are listed in table 1.
Embodiment 11, preparation PTVE/ graphene composite material
By PTVE: the ratio of quality and the number of copies of Graphene=1: 9 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 120 ℃, and be 12h drying time, obtains pulverulent solids.
The PTVE/ graphene composite material and the simulated battery test result that prepare in the present embodiment are listed in table 1.
Embodiment 12, preparation PTVE/ graphene composite material
By PTVE: the ratio of quality and the number of copies of Graphene=1: 3 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 100 ℃, and be 16h drying time, obtains pulverulent solids.
The PTVE/ graphene composite material and the simulated battery test result that prepare in the present embodiment are listed in table 1.
Embodiment 13, preparation PTVE/ graphene composite material
By PTVE: the ratio of quality and the number of copies of Graphene=1: 1 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 80 ℃, and be 24h drying time, obtains pulverulent solids.
The PTVE/ Graphene composite positive pole and the simulated battery test result that prepare in the present embodiment are listed in table 1.
Embodiment 14, preparation PTVE/ graphene composite material
By PTVE: the ratio of quality and the number of copies of Graphene=3: 1 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 120 ℃, and be 12h drying time, obtains pulverulent solids.
The PTVE/ Graphene composite positive pole and the simulated battery test result that prepare in the present embodiment are listed in table 1.
Embodiment 15, preparation PTVE/ graphene composite material
By PTVE: the ratio of quality and the number of copies of Graphene=6: 1 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 100 ℃, and be 16h drying time, obtains pulverulent solids.
The PTVE/ graphene composite material and the simulated battery test result that prepare in the present embodiment are listed in table 1.
Embodiment 16, preparation PTVE/ graphene composite material
By PTVE: the ratio of quality and the number of copies of Graphene=19: 1 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 120 ℃, and be 12h drying time, obtains pulverulent solids.
The PTVE/ graphene composite material and the simulated battery test result that prepare in the present embodiment are listed in table 1.
Embodiment 17, preparation PTVE/ Graphene composite positive pole
By PTVE: the ratio of quality and the number of copies of Graphene=12: 1 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 80 ℃, and be 24h drying time, obtains pulverulent solids.
The PTVE/ Graphene composite positive pole and the simulated battery test result that prepare in the present embodiment are listed in table 1.
Embodiment 18, preparation PTVE/ graphene composite material
By PTVE: the ratio of quality and the number of copies of Graphene=9: 1 takes by weighing, and adds NMP as solvent, mixes and obtains mixture; This mixture is carried out drying, and baking temperature is 120 ℃, and be 12h drying time, obtains pulverulent solids.
The PTVE/ Graphene composite wood and the simulated battery test result that prepare in the present embodiment are listed in table 1.
The preparation condition of the free radical polyalcohol/graphene composite material among table 1, the embodiment 1-18 and simulated battery are surveyed
Test result
According to the result of table 1 as can be seen, the present invention utilizes free radical polyalcohol and the compound free radical polyalcohol/graphene composite material of preparing of Graphene all to show higher capacity.
Claims (7)
1. a free radical polyalcohol/graphene composite material is made up of free radical polyalcohol and Graphene; The ratio of quality and the number of copies of described free radical polyalcohol and described Graphene is (1-20): (1-10).
2. composite material according to claim 1 is characterized in that: be connected with 2,2,6 on the chain of described free radical polyalcohol, 6-tetramethyl piperidine-1-oxygen radical.
3. composite material according to claim 1 and 2 is characterized in that: described free radical polyalcohol be shown in formula (A) and the formula (B) in the compound any:
In the formula (A), n is the number of 200-700; In the formula (B), m is the number of 150-800.
4. the preparation method of arbitrary described composite material among the claim 1-3 comprises the steps: that described free radical polyalcohol and Graphene are added in the N-methyl pyrrolidone to obtain mixture; Described mixture drying promptly gets described free radical polyalcohol/graphene composite material.
5. method according to claim 4 is characterized in that: the temperature of described drying is 80 ℃-120 ℃; The time of described drying is 12 hours-24 hours.
Among the claim 1-3 arbitrary described composite material as the application in the anode material for lithium-ion batteries.
7. energy storage elements, it comprises arbitrary described composite material among the claim 1-3.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103456959A (en) * | 2012-05-31 | 2013-12-18 | 海洋王照明科技股份有限公司 | Graphene composite material and preparation method thereof |
CN103456957A (en) * | 2012-05-31 | 2013-12-18 | 海洋王照明科技股份有限公司 | Graphene composite material and preparation method thereof |
CN106811265A (en) * | 2016-10-12 | 2017-06-09 | 山东圣泉新材料股份有限公司 | The preparation method of Graphene modification of lubricating oils, the product for obtaining and purposes |
CN106833808A (en) * | 2017-01-25 | 2017-06-13 | 山东圣泉新材料股份有限公司 | A kind of lube oil additive, the lubricating oil for adding it, preparation method and purposes |
CN112366096A (en) * | 2020-10-27 | 2021-02-12 | 华南理工大学 | Graphene/organic free radical compound electrode material and preparation method and application thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1741214A (en) * | 2005-07-15 | 2006-03-01 | 复旦大学 | Electrochemical super capacitor with organic polymer free radical/carbon composite material as anode |
JP2008234909A (en) * | 2007-03-19 | 2008-10-02 | Nec Corp | Polymer compound, polymer compound/carbon material complex and its manufacturing method, electrode and its manufacturing method and secondary battery |
CN101985517A (en) * | 2010-09-21 | 2011-03-16 | 中国科学院长春应用化学研究所 | Synthesis method of conductive polyaniline-graphene composite |
CN102270761A (en) * | 2010-06-03 | 2011-12-07 | 上海空间电源研究所 | Method for making integrated flexible organic free radical electrode |
-
2011
- 2011-06-28 CN CN2011101782784A patent/CN102263264A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1741214A (en) * | 2005-07-15 | 2006-03-01 | 复旦大学 | Electrochemical super capacitor with organic polymer free radical/carbon composite material as anode |
JP2008234909A (en) * | 2007-03-19 | 2008-10-02 | Nec Corp | Polymer compound, polymer compound/carbon material complex and its manufacturing method, electrode and its manufacturing method and secondary battery |
CN102270761A (en) * | 2010-06-03 | 2011-12-07 | 上海空间电源研究所 | Method for making integrated flexible organic free radical electrode |
CN101985517A (en) * | 2010-09-21 | 2011-03-16 | 中国科学院长春应用化学研究所 | Synthesis method of conductive polyaniline-graphene composite |
Non-Patent Citations (2)
Title |
---|
《化学进展》 20110331 赵瑞瑞等 自由基聚合物--一类新颖的高性能二次电池材料 第302-309页 3-4,6-7 第23卷, 第2/3期 * |
赵瑞瑞等: "自由基聚合物——一类新颖的高性能二次电池材料", 《化学进展》, vol. 23, no. 23, 31 March 2011 (2011-03-31), pages 302 - 309 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103456959A (en) * | 2012-05-31 | 2013-12-18 | 海洋王照明科技股份有限公司 | Graphene composite material and preparation method thereof |
CN103456957A (en) * | 2012-05-31 | 2013-12-18 | 海洋王照明科技股份有限公司 | Graphene composite material and preparation method thereof |
CN106811265A (en) * | 2016-10-12 | 2017-06-09 | 山东圣泉新材料股份有限公司 | The preparation method of Graphene modification of lubricating oils, the product for obtaining and purposes |
CN106811265B (en) * | 2016-10-12 | 2020-05-19 | 山东圣泉新材料股份有限公司 | Preparation method of graphene modified lubricating oil, obtained product and application |
CN106833808A (en) * | 2017-01-25 | 2017-06-13 | 山东圣泉新材料股份有限公司 | A kind of lube oil additive, the lubricating oil for adding it, preparation method and purposes |
CN106833808B (en) * | 2017-01-25 | 2020-05-08 | 山东圣泉新材料股份有限公司 | Lubricating oil additive, lubricating oil added with lubricating oil additive, preparation method and application |
CN112366096A (en) * | 2020-10-27 | 2021-02-12 | 华南理工大学 | Graphene/organic free radical compound electrode material and preparation method and application thereof |
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Application publication date: 20111130 |