CN102915835B - A kind of with the all-solid-state electrical energy storage device of condensed-nuclei aromatics derivative for electron storage material - Google Patents
A kind of with the all-solid-state electrical energy storage device of condensed-nuclei aromatics derivative for electron storage material Download PDFInfo
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- CN102915835B CN102915835B CN201210395558.5A CN201210395558A CN102915835B CN 102915835 B CN102915835 B CN 102915835B CN 201210395558 A CN201210395558 A CN 201210395558A CN 102915835 B CN102915835 B CN 102915835B
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Abstract
The invention provides and a kind ofly have high electron transfer rate for all-solid-state electrical energy storage device, electron mobility is little to electric field dependency degree, and electronics is easy to the features such as injection, has the electron storage material of higher vitrification point and fusing point simultaneously.Electron storage material reduction potential of the present invention is low, is conducive to electron injection, reduces charging voltage; Electron transfer rate is high, contributes to quick charge and stable discharging; Material glass temperature is high, and serviceability temperature is high, avoids because of the material damage caused that generates heat in discharge process.
Description
Invention field
The present invention relates to a kind of electron stored energy material, particularly disclose a kind of with the all-solid-state electrical energy storage device of condensed-nuclei aromatics derivative for electron storage material.
Background technology
Energy problem is the problem that countries in the world cannot be avoided in evolution.In order to solve energy bottleneck, each state has all formulated energy science and technology development strategy, and Devoting Major Efforts To Developing novel energy-storing equipment, makes full use of the existing energy.Traditional energy storage material such as battery and capacitor have played important effect in energy storage field.But the energy density of battery is high and its power density is lower, and this is mainly because battery will could produce electric charge by electrochemical reaction and carry out the storage of electric energy, and therefore, the charge or discharge of battery need the regular hour, causes its power density lower.In recent years, the research of lithium ion battery very extensively also enters commercialization stage.But, the phenomenons such as lithium ion battery is easily short-circuited in charging process, overcharge, thus cause blast, and capacity can slowly fail, and makes its hydraulic performance decline.On the other hand, capacitor has higher output power density, and namely discharge process can complete in a short period of time; But its energy density is lower, the guiding discharge duration is short.Ultracapacitor is a kind of novel energy-storing device between traditional capacitor and secondary cell that development in recent years is got up.It preserves traditional capacitor power density greatly, charge/discharge rates is fast, and discharging efficiency is high, the feature that the life-span is long, and its energy density also significantly improves simultaneously, is a kind of novel, practical, efficient energy storage device.But the energy density of super capacitor, still much smaller than lithium battery, which has limited the application of ultracapacitor in energy storage field.Meanwhile, owing to still using liquid electrolyte, there is the potential safety hazards such as electrolyte leakage in this capacitor equally.Therefore, develop a kind of existing higher energy density, the energy storage device again with large power density has great importance for energy storage, contributes to the utilization ratio improving the energy.
Patent 201210376840.9 1 kinds of novel all-solid-state power storage device, this device is made up of in sandwich structure electrode, positive charge storage material, insulating material, electronic storage material, five layers, electrode.There is the advantages such as the charging interval is short, power density is high, the charging cycle life-span is long, energy density is large, security performance is good.
In all-solid-state electrical energy storage device, electron storage material is used for stored electrons.So it is fast to have electron transfer rate; Good with electrode material matching degree, be easy to electron injection; Electric field mobility is to features such as electric field dependency degree are little.Simultaneously because electron storage material inevitably produces thermal effect, in the application so it must have higher glass transition temperature (T
g) and fusing point (T
m).
Summary of the invention
The present invention is directed to the requirement of all-solid-state electrical energy storage device in electron storage material, one is provided to have high electron transfer rate, electron mobility is little to electric field dependency degree, and electronics is easy to the features such as injection, has the electron storage material of higher glass transition temperature and fusing point simultaneously.
A kind of electron storage material for all-solid-state electrical energy storage device of the present invention mixes primarily of one or more in condensed-nuclei aromatics.
Above-mentioned condensed-nuclei aromatics is the hydrocarbon containing two or more phenyl ring.Preferably 2 ~ 5 phenyl ring, as naphthalene
anthracene
pyrene
perylene
deng.
Substituent R on described condensed-nuclei aromatics
n(n=1 ~ 12) are hydrogen atom and various substituting group, preferably there is the group of electron-withdrawing power, as oxygen atom, sulphur atom, fluorine atom, chlorine atom, bromine atoms, nitro, nitroso, carboxyl, amide groups, imide, cyano group, halo alkyl, thiophene base etc.
A kind of electron storage material advantages for all-solid-state electrical energy storage device of the present invention is:
(1) reduction potential of material is low, is conducive to electron injection, reduces charging voltage;
(2) electron transfer rate is high, contributes to quick charge and stable discharging;
(3) material glass temperature is high, avoids because of the material damage caused that generates heat in discharge process.
Embodiment
Embodiment 1
Adopting vacuum evaporation technology to prepare one deck area at metallic aluminum surface is 10 × 10cm
2, thickness is the N of 1 μm, N '-two (15 fluoro octyls) 1,2,5,6 naphthalene tetracarboxylic imidodicarbonic diamide, '-two (15 fluoro octyl) 1 then at N, N, 2,5,6 naphthalene tetracarboxylic imidodicarbonic diamide layer surface spin coating a layer thickness are the polyimides of 5 μm.It is finally the polyvinylcarbazole polymer of 400nm in polyimide surface spin coating a layer thickness.After dry solidification, the metallic aluminium after polymer surfaces vacuum evaporation one deck 100nm, completes encapsulation, obtains all-solid-state electrical energy storage device under vacuumized conditions.Test shows, this all-solid-state electrical energy storage device completes charging in 120s, and energy density is 440Wh/kg, and power density is 8.5kW/kg.
Embodiment 2
Gas phase deposition technology is adopted to be 10 × 10cm at metallic aluminum surface successively evaporation area
2, thickness is 2,6-bis-thianthrenes of 500nm, and thickness is the polyimides of 5 μm.Then be the polyvinylcarbazole polymer of 400nm in surperficial spin coating a layer thickness.After dry solidification, be the metallic aluminium of 100nm in polymer surfaces vacuum evaporation a layer thickness, under vacuumized conditions, complete encapsulation, obtain all-solid-state electrical energy storage device.Test shows, this all-solid-state electrical energy storage device completes charging in 80s, and energy density is 512Wh/kg, and power density is 9.3kW/kg.
Embodiment 3
Configuration 1: 1 perylene tetracarboxylic acid butyl ester is with the chloroformic solution of perylene tetracarboxylic acid hexyl ester, and concentration is 0.001mol/l, and it is spin-coated on metallic aluminum surface with the rotating speed of 300 turns, and after solvent evaporates, obtain one deck area is 10 × 10cm
2, thickness be 300nm perylene tetracarboxylic acid butyl ester with perylene tetracarboxylic acid hexyl ester mixed layer, then perylene tetracarboxylic acid ester layer surface spin coating a layer thickness is the polyimides of 5 μm.It is finally the polyvinylcarbazole polymer of 150nm in dimethyl silicone polymer layer surface spin coating a layer thickness.After dry solidification, at the metallic aluminium that polymer surfaces vacuum evaporation one deck 100nm is thick, under vacuumized conditions, complete encapsulation, obtain all-solid-state electrical energy storage device.Test shows, this all-solid-state electrical energy storage device completes charging in 100s, and energy density is 462Wh/kg, and power density is 8.7kW/kg.
Claims (1)
1. an all-solid-state electrical energy storage device, it is characterized in that adopting one or more materials combined in condensed-nuclei aromatics derivative as electron storage material, described condensed-nuclei aromatics derivative, containing 3 ~ 5 phenyl ring, is anthracene
pyrene
huo perylene
in one, wherein substituent R
nfor nitro, n=1 ~ 12.
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| CN102915835B true CN102915835B (en) | 2016-02-24 |
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| CN102321341A (en) * | 2011-08-30 | 2012-01-18 | 固安福爱电子有限公司 | Conducting polymer composite and comprise its electrical condenser |
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| CN102321341A (en) * | 2011-08-30 | 2012-01-18 | 固安福爱电子有限公司 | Conducting polymer composite and comprise its electrical condenser |
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