CN102881451A - All-solid-state power storage device - Google Patents
All-solid-state power storage device Download PDFInfo
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- CN102881451A CN102881451A CN2012103768409A CN201210376840A CN102881451A CN 102881451 A CN102881451 A CN 102881451A CN 2012103768409 A CN2012103768409 A CN 2012103768409A CN 201210376840 A CN201210376840 A CN 201210376840A CN 102881451 A CN102881451 A CN 102881451A
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Abstract
The invention relates to an all-solid-state power storage device which mainly comprises an electrode, a charge storage material and an insulating material. The charge storage material comprises a positive charge storage material and an electronic storage material which are separated by the insulating material, and a sandwich structure of an electrode/ the positive charge storage material/ the insulating material/ the electronic storage material/ an electrode is formed. The positive charge storage material contacts with a positive electrode, and the electronic storage material contacts with a negative electrode. The all-solid-state power storage device is high in energy density and power density, environment-friendly, and high in safety.
Description
Invention field
The present invention relates to a kind of all solid state energy storage device.
Background technology
Energy problem is the problem that countries in the world can't be avoided in evolution.In order to solve energy bottleneck, each state has all formulated the energy science and technology development strategy, takes full advantage of the existing energy, Devoting Major Efforts To Developing novel energy-storing equipment.Traditional energy storage material such as battery and capacitor have been brought into play important effect in the energy storage field, but the energy density of battery is high and its power density is lower, this mainly is because battery will could produce electric charge and carry out the storage of electric energy by electrochemical reaction, therefore, the charge or discharge of battery need the regular hour, cause its power density lower.In recent years, the research of lithium ion battery is very extensive and entered commercialization stage.Yet lithium ion battery such as easily is short-circuited, overcharges at the phenomenon in charging process, thereby causes blast, and slowly decline of capacity, makes its hydraulic performance decline.On the other hand, capacitor has higher output power density, and namely discharge process can be finished in a short period of time; But its energy density is lower, and 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 is large that it has kept the traditional capacitor power density, discharge and recharge speed fast, discharging efficiency is high, the characteristics that life-span is long, its energy density also significantly improves simultaneously, is a kind of novel, practical, efficient energy storage device.But the energy density of super capacitor is still much smaller than lithium battery, and this has limited the application of ultracapacitor in the energy storage field.Simultaneously, owing to still using liquid electrolyte, there are the potential safety hazards such as electrolyte leakage equally in this capacitor.Therefore, develop a kind of existing higher energy density, the energy storage device that has again large power density has great importance for energy storage, helps to improve the utilization ratio of the energy.
Summary of the invention
The present invention is directed to the problems such as energy density excessively low (such as ultracapacitor) that energy storage material and device exist and power density excessively low (such as battery) aspect stored energy, a kind of all solid state energy storage device is provided, expands the application of energy storage device aspect energy storage.
All solid state energy storage device of the present invention mainly is comprised of electrode, charge storage material, insulating material, and wherein charge storage material separates with insulating material, forms the sandwich structure of charge storage material/insulating material/charge storage material.
Described all solid state energy storage device, wherein electrode is that copper or its alloy, aluminium or its alloy, conductive carbon material, conducting polymer are wherein a kind of;
Described all solid state energy storage device, wherein charge storage material comprises positive charge storage medium and Electronic saving material, and the positive charge storage medium contacts with anodal, and the Electronic saving material contacts with negative pole;
Described all solid state energy storage device, positive charge storage medium are a kind of in poly-phenylene vinylene (ppv), polyvinylcarbazole, the poly-phenothiazine or consist of greater than a kind of mixture;
Described all solid state energy storage device, the molecular weight of employed positive charge storage medium are 300～500000;
Described all solid state energy storage device, the Electronic saving material is biphenyl quinones and derivative thereof, thiophene is coughed up and derivative in a kind of or greater than a kind of mixture, be preferably 3,3 '-dimethyl-5,5 '-di-t-butyl diphenoquinone, 3,5-dimethyl-3 ', the mixture of 5 '-di-t-butyl diphenoquinone and 2, a kind of during 3,4,5-tetraphenyl thiophene is coughed up or greater than a kind of mixture;
Described all solid state energy storage device, insulating material is by a kind of in mineral-type insulating material, the organic insulation polymer or greater than a kind of mixture, is preferably one or both the mixture in silicon dioxide (inorganic) and the polyimides (organic polymer).
All solid state energy storage device of the present invention has following advantage:
(1) all solid state energy storage device of the present invention does not relate to chemical reaction, and the charge/discharge process is determined by the migration rate of electric charge, so power density is high, and the charging interval is short;
(2) all solid state energy storage device of the present invention does not have electrolytical loss in thermal energy storage process, and charge and discharge circulation life is long;
(3) charge storage material has stronger charge storage, and therefore all solid state energy storage device energy density of the present invention is large;
(4) owing to not having chemical reaction in the whole device, do not have liquid electrolyte, therefore, do not have the problems such as electrolyte leakage, safe and reliable, and environmentally friendly.
Description of drawings
Fig. 1 is all solid state energy storage device structural representation;
Wherein 1 is negative pole, the 2nd, and the Electronic saving layer, the 3rd, insulating barrier, the 4th, the positive charge accumulation layer, the 5th, anodal;
Fig. 2 is all solid state energy storage device structural representation of series connection.
Embodiment
Embodiment 1
Adopting vacuum evaporation technology is 10 * 10cm at metallic aluminium surface preparation one deck area
2, thickness is 3 of 1 μ m, 3 '-dimethyl-5, and then 5 '-di-t-butyl diphenoquinone is the polyimides of 5 μ m in diphenoquinone layer surface spin coating a layer thickness.Last is the polyvinylcarbazole polymer (mean molecule quantity is 19325) of 750nm in polyimide surface spin coating a layer thickness.Behind the dry solidification, the metallic aluminium behind polymer surfaces vacuum evaporation one deck 100nm namely obtains all solid state energy storage device of the present invention.Test shows, this all solid state energy storage device is finished charging in 1.5min, and energy density is 500Wh/kg, and power density is 8.7kW/kg.
Embodiment 2
Adopting vacuum evaporation technology is 10 * 10cm at glass surface successively evaporation area
2, thickness is the metallic copper of 100nm, and thickness is the diphenoquinone (3,3 '-dimethyl-5,5 '-di-t-butyl diphenoquinone and 3,5-dimethyl-3 ', the mixture of 5 '-di-t-butyl diphenoquinone, mass ratio are 1:1) of 500nm, and thickness is the SiO of 200nm
2Then the poly-phenylene vinylene (ppv) that is 380nm in surperficial spin coating a layer thickness (mean molecule quantity is 8050).Behind the dry solidification, be the metallic copper of 100nm in polymer surfaces vacuum evaporation a layer thickness, namely obtain all solid state energy storage device of the present invention.Test shows, this all solid state energy storage device is finished charging in 1min, and energy density is 536Wh/kg, and power density is 9.4kW/kg.
Embodiment 3
Adopting vacuum evaporation technology is 10 * 10cm at metallic aluminium surface preparation one deck area
2, thickness is 3 of 2 μ m, 3 '-dimethyl-5, and then 5 '-di-t-butyl diphenoquinone is the dimethyl silicone polymer of 5 μ m in diphenoquinone layer surface spin coating a layer thickness.Be the polyvinylcarbazole polymer (mean molecule quantity is 1930) of 1.8 μ m in dimethyl silicone polymer layer surface spin coating a layer thickness at last.Behind the dry solidification, at the thick metallic aluminium of polymer surfaces vacuum evaporation one deck 100nm, namely obtain all solid state energy storage device of the present invention.Test shows, this all solid state energy storage device is finished charging in 3.5min, and energy density is 483Wh/kg, and power density is 8.2kW/kg.
Embodiment 4
Adopting vacuum evaporation technology is 10 * 10cm on phenolic resins sheet surface successively evaporation area
2, thickness is the metallic copper of 100nm, and thickness is 2,3,4 of 4 μ m, and 5-tetraphenyl thiophene is coughed up, and is the dimethyl silicone polymer of 5 μ m in diphenoquinone layer surface spin coating a layer thickness then.Be the polyvinylcarbazole polymer (mean molecule quantity is 1930) of 4 μ m in dimethyl silicone polymer layer surface spin coating a layer thickness at last.Behind the dry solidification, at the thick metallic copper of polymer surfaces vacuum evaporation one deck 100nm, namely obtain all solid state energy storage device of the present invention.Test shows, this all solid state energy storage device is finished charging in 5min, and energy density is 460Wh/kg, and power density is 7.9kW/kg.
Embodiment 5
Employing vacuum evaporation technology phenolic resins sheet surface successively evaporation area is 10 * 10cm
2, thickness is the metallic copper of 100nm, and thickness is 2,3,4 of 200nm, and 5-tetraphenyl thiophene is coughed up, and is the dimethyl silicone polymer of 5 μ m in diphenoquinone layer surface spin coating a layer thickness then.Be the poly-phenylene vinylene (ppv) (mean molecule quantity is 8050) of 180nm in dimethyl silicone polymer layer surface spin coating a layer thickness at last.Behind the dry solidification, at the thick metallic copper of polymer surfaces vacuum evaporation one deck 100nm, namely obtain all solid state energy storage device of the present invention.Test shows, this all solid state energy storage device is finished charging in 0.5min, and energy density is 624Wh/kg, and power density is 10.8kW/kg.
Claims (7)
1. an all solid state energy storage device is characterized in that comprising electrode, charge storage material, insulating material, and wherein charge storage material separates with insulating material, forms electrode/positive charge storage medium/insulating material/Electronic saving material/electrode holder core structure.
2. a kind of all solid state energy storage device according to claim 1 is characterized in that electrode is a kind of in copper or its alloy, aluminium or its alloy, conductive carbon material, the conducting polymer.
3. a kind of all solid state energy storage device according to claim 1 is characterized in that charge storage material comprises positive charge storage medium and Electronic saving material, and the positive charge storage medium contacts with anodal, and the Electronic saving material contacts with negative pole.
4. a kind of all solid state energy storage device according to claim 1, it is characterized in that insulating material is a kind of in mineral-type insulating material, the organic insulation polymer or greater than a kind of mixture, be preferably one or both the mixture in silicon dioxide (inorganic) and the polyimides (organic polymer).
5. according to claim 1 or 3 described a kind of all solid state energy storage devices, it is characterized in that the positive charge storage medium is a kind of in poly-phenothiazines, poly-phenylene vinylene (ppv) class, the polyvinylcarbazole base polymer or greater than a kind of mixture.
6. according to claim 1 or 3 or 5 described a kind of all solid state energy storage devices, the molecular weight that it is characterized in that the positive charge storage medium is 300～100000.
7. according to claim 1 or 3 described a kind of all solid state energy storage devices, it is characterized in that the Electronic saving material is biphenyl quinones and derivative thereof, thiophene is coughed up and derivative in a kind of or greater than a kind of mixture, be preferably 3,3 '-dimethyl-5,5 '-di-t-butyl diphenoquinone, 3,5-dimethyl-3 ', the mixture of 5 '-di-t-butyl diphenoquinone and 2, a kind of during 3,4,5-tetraphenyl thiophene is coughed up or greater than a kind of mixture.
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| CN2012103768409A CN102881451A (en) | 2012-10-08 | 2012-10-08 | All-solid-state power storage device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1479930A (en) * | 2000-12-06 | 2004-03-03 | ���տ�˹�ɷ�����˾ | Double layer capacitor |
| CN101304081A (en) * | 2007-05-08 | 2008-11-12 | 杨思柟 | Electric energy element, isolated layer and method for manufacturing the same |
| US20080316678A1 (en) * | 2006-07-14 | 2008-12-25 | Ehrenberg Scott G | Nanoparticle ultracapacitor |
| CN102280251A (en) * | 2011-05-27 | 2011-12-14 | 吉林大学 | Super capacitor based on graphene and polyarylether and preparation method thereof |
| WO2011155078A1 (en) * | 2010-06-10 | 2011-12-15 | 日本シリコン・エレクトロニクス・テクノロジー株式会社 | Electrical energy storage device |
| CN102324317A (en) * | 2011-09-14 | 2012-01-18 | 中国第一汽车股份有限公司 | Electrode for flexible solid super capacitor and preparation method thereof |
-
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- 2012-10-08 CN CN2012103768409A patent/CN102881451A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1479930A (en) * | 2000-12-06 | 2004-03-03 | ���տ�˹�ɷ�����˾ | Double layer capacitor |
| US20080316678A1 (en) * | 2006-07-14 | 2008-12-25 | Ehrenberg Scott G | Nanoparticle ultracapacitor |
| CN101304081A (en) * | 2007-05-08 | 2008-11-12 | 杨思柟 | Electric energy element, isolated layer and method for manufacturing the same |
| WO2011155078A1 (en) * | 2010-06-10 | 2011-12-15 | 日本シリコン・エレクトロニクス・テクノロジー株式会社 | Electrical energy storage device |
| CN102280251A (en) * | 2011-05-27 | 2011-12-14 | 吉林大学 | Super capacitor based on graphene and polyarylether and preparation method thereof |
| CN102324317A (en) * | 2011-09-14 | 2012-01-18 | 中国第一汽车股份有限公司 | Electrode for flexible solid super capacitor and preparation method thereof |
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