CN103258652B - Soft ultracapacitor and preparation method thereof - Google Patents
Soft ultracapacitor and preparation method thereof Download PDFInfo
- Publication number
- CN103258652B CN103258652B CN201310011331.0A CN201310011331A CN103258652B CN 103258652 B CN103258652 B CN 103258652B CN 201310011331 A CN201310011331 A CN 201310011331A CN 103258652 B CN103258652 B CN 103258652B
- Authority
- CN
- China
- Prior art keywords
- layer
- soft
- ultracapacitor
- active layer
- carbon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A kind of soft ultracapacitor and its preparation method are provided.This soft ultracapacitor comprises a solid polyelectrolyte layer, lay respectively at this solid polyelectrolyte layer relative to the two active layers on two sides and the two-layer electronic conductive layer that lays respectively on this two active layers outboard presented surface.
Description
Technical field
The invention relates to a kind of soft energy storage device, and relate to a kind of soft ultracapacitor especially.
Background technology
Whether the development of energy storage device and its effect are improved as green can the management in the whole world can be successfully crucial.One of them important challenge is how transport energy, because have, numerous various electronic installation and application (such as from the wearable energy storage device that can be integrated into clothing, all having the space of the costliness of strict demand to apply to weight and volume) all need gentlier, less, firmer soft energy storage device.But at present starting is just just started for the soft energy storage device that can be applicable on it.
Ultracapacitor can store electrical energy, therefore can be used as power supply, as battery.Battery relies on chemical reaction store and discharge electric energy, and ultracapacitor just by electrical power storage on its electrode surface.Ultracapacitor can be full of electricity in several minutes, but not a few hours, but also chargeable millions of times.Although developed some soft ultracapacitors, its pliability has still faced the challenge.
Summary of the invention
Therefore, an aspect of the present invention is providing a kind of soft ultracapacitor, and it comprises a solid polyelectrolyte layer, first and second active layer and first and second electronic conductive layer.Above-mentioned solid polyelectrolyte layer comprises a lithium salts and an organic polymer, and the weight ratio of lithium salts and organic polymer mostly is 5:1 most.First and second above-mentioned active layer lays respectively at solid polyelectrolyte layer relative two on the surface, in order to adion.First and second above-mentioned electronic conductive layer lays respectively on the outer surface of first and second active layer.First and second electronic conductive layer comprises a low-impedance carbon cloth layer, and the electrical conductivity of this carbon cloth layer is at least 10S/cm.
According to an embodiment, above-mentioned lithium salts is LiClO
4, LiBF
4, LiPF
6, LiAsF
6, LiCF
3sO
3, LiBr, LiN (CF
3sO
3)
2or the combination in any of aforementioned lithium salts.
According to another embodiment, above-mentioned organic polymer is polyvinyl alcohol (polyvinylalcohol; Or sulfonated polyether ether ketone (sulfonatedpolyetheretherketone PVA); SPEEK).
According to another embodiment, first and second above-mentioned active layer comprises carbon film, and those carbon films comprise the above-mentioned organic polymer of the conductive carbon black of 10 – 15wt%, the activated carbon of 60 – 70wt% and 15 – 30wt%.
A foundation embodiment again, when first and second above-mentioned active layer comprises carbon film, the electrical conductivity of above-mentioned conductive carbon black is 10
1– 10
2s/cm.
A foundation embodiment again, when first and second above-mentioned active layer comprises carbon film, the specific area of above-mentioned active carbon is 1000 – 2000m
2/ g.
A foundation embodiment again, first and second above-mentioned active layer comprises specific area 1000 – 2000m
2at least two carbon cloths of/g.
A foundation embodiment again, when first and second above-mentioned active layer comprises specific area 1000 – 2000m
2during at least two carbon cloth of/g, above-mentioned soft ultracapacitor more comprises at least two activated carbon layers, lays respectively between the first active layer and the first electronic conductive layer, and between the second active layer and the second electronic conductive layer.
A foundation embodiment again, first and second above-mentioned active layer comprises specific area 100 – 400m
2the nano-sized carbon tube layer of/g.
A foundation embodiment again, when first and second above-mentioned active layer comprises specific area 100 – 400m
2during the nano-sized carbon tube layer of/g, first and second above-mentioned active layer more comprises a bonding agent.
A foundation embodiment again, above-mentioned soft ultracapacitor more comprises an encapsulated layer, with complete first and second electronic conductive layer coated, first and second active layer and solid polyelectrolyte layer.
A foundation embodiment again, the material of above-mentioned encapsulated layer is aluminium foil or polymeric membrane.
A foundation embodiment again, above-mentioned polymeric membrane is polypropylene screen (polypropylene; Or poly-terephthaldehyde's diethylester film (polyethyleneterephthalate PP); PET).
Another aspect of the present invention is for providing the preparation method of above-mentioned various soft ultracapacitor, and it comprises following step.First, sequential is above-mentioned from the bottom to top the first electronic conductive layer, the first active layer, solid polyelectrolyte layer, the second active layer and the second electronic conductive layer, then carry out sintering step to form ultracapacitor.
According to an embodiment, the preparation method of above-mentioned soft ultracapacitor more comprises with the moistening above-mentioned ultracapacitor of a liquid.Available liquid is water, sulfuric acid solution or sulfate liquor.Then, then encapsulate moistening after ultracapacitor.
According to another embodiment, above-mentioned sulfuric acid solution or the concentration of sulfate liquor are 0.1 – 1M.
A foundation embodiment again, above-mentioned sulfate liquor is lithium sulfate solution or metabisulfite solution.
Foregoing invention content aims to provide the simplification summary of this disclosure, possesses basic understanding to make reader to this disclosure.This summary of the invention is not the complete overview of this disclosure, and its purpose is not being pointed out the key/critical assembly of the embodiment of the present invention or defining scope of the present invention.After consulting following description, persond having ordinary knowledge in the technical field of the present invention when essence spirit of the present invention and other goal of the invention can be understood easily, and the technology used in the present invention means with implement aspect.
Accompanying drawing explanation
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, appended the description of the drawings is as follows:
Fig. 1 is the cross-sectional view of a kind of soft ultracapacitor according to an embodiment of the present invention.
Fig. 2 is the manufacturing flow chart of a kind of soft ultracapacitor illustrated according to an embodiment of the present invention.
Fig. 3 is the cyclic voltammetric analysis result according to one embodiment of the invention.
[primary clustering symbol description]
110: solid polyelectrolyte layer
120: active layer
130: electronic conductive layer
140: encapsulated layer
210-240: step
Embodiment
According to above-mentioned, provide a kind of soft ultracapacitor and manufacture method thereof.Below describe in, the exemplary configuration manufacture method illustrative with it of above-mentioned soft ultracapacitor will be introduced.In order to easily understand the event of described embodiment, many ins and outs will be provided below.Certainly, not all embodiment all needs these ins and outs.Meanwhile, some structures be widely known by the people or assembly, only can draw in a schematic manner in the drawings, suitably to simplify accompanying drawing content.
In order to make describing of this disclosure more detailed and complete, hereafter propose illustrative description for enforcement aspect of the present invention and specific embodiment; But this not implements or uses the unique forms of the specific embodiment of the invention.Cover in execution mode multiple specific embodiment feature and in order to construction and these specific embodiments of operation method step with its sequentially.But, other specific embodiment also can be utilized to reach identical or impartial function and sequence of steps.
Soft ultracapacitor
Please refer to Fig. 1, it is the cross-sectional view of a kind of soft ultracapacitor illustrated according to an embodiment of the present invention.In FIG, soft ultracapacitor 100 comprises solid polyelectrolyte layer 110, lays respectively at two active layers 120, the two-layer electronic conductive layer 130 laid respectively on active layer 120 outer surface on the relative two sides of solid polyelectrolyte layer 110.
Above-mentioned solid polyelectrolyte layer 110 comprises a lithium salts and an organic polymer, and the weight ratio of lithium salts and organic polymer mostly is 5:1 most.In general, the ionic conductance (ionicconductivity) of solid polyelectrolyte layer 110 can increase along with lithium salt and increase.But, finding in process of the test, when improving lithium salts ratio, in film forming procedure, in film material, there will be white casse thing, and there is flexure, irregular phenomenon because film forming is uneven in film material surface.This may be that lithium salt is too high, thus destroys the crystallinity of organic polymer.
According to an execution mode, above-mentioned lithium salts can be the lithium salts with lower lattice energy, such as, can be lithium perchlorate (LiClO
4), LiBF4 (LiBF
4), lithium hexafluoro phosphate (LiPF
6), hexafluoroarsenate lithium (LiAsF
6), trifluoromethayl sulfonic acid lithium (LiCF
3sO
3), trifluoromethayl sulfonic acid nitrogen lithium (LiN (CF
3sO
3)
2) or the lithium salts such as lithium bromide (LiBr).The lithium salts with lower lattice energy can increase the ionic conductance of solid polyelectrolyte layer 110.
According to another execution mode, above-mentioned organic polymer such as can be polyvinyl alcohol (polyvinylalcohol; Or sulfonated polyether ether ketone (sulfonatedpolyetheretherketone PVA); SPEEK).The molecular size range of organic polymer can affect solid polyelectrolyte layer 110 membrance casting condition (such as dry temperature and time) and its mechanical strength (such as hot strength).Therefore according to an embodiment, the molecular weight of above-mentioned polyvinyl alcohol can be 20,000 – 186,000Da.According to another embodiment, the molecular weight of sulfonated polyether ether ketone can be 10,000 – 50,000Da.But the molecular weight of polyvinyl alcohol and sulfonated polyether ether ketone is not subject to the restriction of numerical value above.
Above-mentioned active layer 120 is used to adion.In general, the specific area (specificsurfacearea) of active layer 120 material therefor is larger, and the ionic weight that active layer 120 can adsorb is more.But when the specific area of active layer 120 is too large, the storage capacitors amount of soft ultracapacitor 100 can reduce again.Therefore, the specific area of active layer 120 material therefor is preferably 1000 – 2000m
2/ g, but be not limited to this.The carbon cloth that the material of above-mentioned active layer 120 such as can be carbon film, nano-sized carbon tube layer or is made up of carbon fiber.
In the embodiment of carbon film, carbon film comprises the above-mentioned organic polymer of the conductive carbon black of 10 – 15wt%, the activated carbon of 60 – 70wt% and 15 – 30wt%.Conductive carbon black in carbon film is responsible for conduction between solid polyelectrolyte layer 110 and electronic conductive layer 130, and therefore the electrical conductivity of conductive carbon black is preferably 10
1– 10
2s/cm.Activated carbon in carbon film is responsible adion, and therefore the specific area of activated carbon is preferably 1000 – 2000m
2/ g.Organic polymer (such as polyvinyl alcohol or sulfonated polyether ether ketone) in carbon film is used to assist film forming, and promotes the affinity degree of solid polyelectrolyte layer 110 and active layer 120.
In the embodiment of nano-sized carbon tube layer, CNT (carbon nano-tube) is responsible for two large functions of conduction and adion simultaneously.Owing to being limited to the event of shape, the specific area of CNT (carbon nano-tube) is preferably 100 – 400m
2/ g.In addition, CNT (carbon nano-tube) and a bonding agent (binder) is optionally allowed to mix, to assist film forming.Above-mentioned bonding agent such as can be poly-difluoroethylene (polyvinylidenedifluoride; Or polytetrafluoroethylene (polytetrafluoroethylene PVDF); PTFE).
In the embodiment of the carbon cloth formed at carbon fiber, carbon cloth is also the role simultaneously playing the part of conduction and adion.The specific area of carbon cloth is preferably 1000 – 2000m
2/ g.In addition, one deck activated carbon layer can be added between solid polyelectrolyte layer 110 and the active layer 120 be made up of carbon cloth, to increase the electrical conductivity at the interface of solid polyelectrolyte layer 110 and carbon cloth.Also a bonding agent can be added, to contribute to film forming in above-mentioned activated carbon layer.Above-mentioned bonding agent such as can be poly-difluoroethylene (polyvinylidenedifluoride; Or polytetrafluoroethylene (polytetrafluoroethylene PVDF); PTFE).
Electronic conductive layer 130 is responsible for conduction current between soft ultracapacitor 100 and external electronic components.Therefore, the electrical conductivity of electronic conductive layer 130 is preferably at least 10s/cm, such as 10 – 20s/cm.Electronic conductive layer 130 can be soft electric conducting material, such as a carbon-fiber cloth.
According to another execution mode, soft ultracapacitor 100 also can comprise encapsulated layer 140 to encapsulate solid polyelectrolyte layer 110, active layer 120 and electronic conductive layer 130.The material of encapsulated layer 140 such as can be aluminium foil or polymeric membrane, and wherein polymeric membrane such as can be polypropylene screen (polypropylene; Or poly-terephthaldehyde's diethylester film (polyethyleneterephthalate PP); PET).
The preparation method of soft ultracapacitor
Please refer to Fig. 2, Fig. 2 is the manufacturing flow chart of a kind of soft ultracapacitor according to an embodiment of the present invention.In fig. 2, first step 210 is each layer 110 – 130 sequentially in storehouse Fig. 1.Therefore, the stacking order of each layer 110 – 130 is (first) electronic conductive layer 130, (first) active layer 120, solid polyelectrolyte layer 110, (second) active layer 120 and (second) electronic conductive layer 130.
In a step 220, under room temperature to 110 ° C, pressing each layer 110 – 130, allows each layer 110 – 130 combine, and forms ultracapacitor.
In step 230, the ultracapacitor after moistening combination can being carried out further to increase its ionic conductance, and so as to increasing the storage capacitors amount of soft ultracapacitor 100.Wetting fluid used such as can be water, sulfuric acid solution or sulfate liquor.Wherein the concentration of sulfuric acid solution or sulfate liquor can be 0.1 – 1M, and sulfate such as can be lithium sulfate or sodium sulphate.Moistening time span can be 1 – 60 seconds.
In step 240, with encapsulated layer 140 encapsulate moistening after ultracapacitor.
Cyclic voltammetric is analyzed
In this embodiment, the layers of material of ultracapacitor used is sequentially the first carbon cloth layer, the first carbon film, SPEEK solid-state electrolyte layer, the second carbon film and the second carbon cloth layer.This ultracapacitor before packaging, first comes moistening with water, then just carries out cyclic voltammetric analysis (cyclicvoltammetryanalysis).Ultracapacitor is of a size of 30mm × 30mm × 1.5mm.The cyclic voltammetric analysis result of gained is presented on Fig. 3.
As can be seen from Figure 3, tested ultracapacitor can operation in the interval of ± 4V, without any the spectrum peak caused because of oxidation or reduction reaction.Integral area in Fig. 3 curve is approximately 54mF, that is the storage capacitors amount of this tested ultracapacitor.Equivalent series resistance (the equivalentseriesresistance of this tested ultracapacitor; ESR) 354 Ω are approximately.
From the above results, with general commercial single electrochemical capacitor (single-cellelectrochemicalcapacitor) by contrast, this tested ultracapacitor can work in larger voltage range.The single electrochemical capacitor of general commercialization usually can be less than 3.5V by operating voltage, therefore for the application needing high voltage operation, multiple electrochemical capacitor of must connecting just can provide this type of required voltage applied.
Above-mentioned soft ultracapacitor not only its working temperature can up to 120 –, 130 ° of C, but also can operation in the voltage range that ± 4V is quite wide.Therefore, above-mentioned soft ultracapacitor can use in application quite widely, and this is real is the developmental quantum jump of soft ultracapacitor.
Although the present invention discloses as above with execution mode; so itself and be not used to limit the present invention, anyly have the knack of this those skilled in the art, without departing from the spirit and scope of the present invention; when doing various change and retouching, therefore protection scope of the present invention is when being as the criterion depending on the accompanying claim person of defining.
Claims (15)
1. a soft ultracapacitor, this soft ultracapacitor comprises:
One solid polyelectrolyte layer, it comprises a lithium salts and sulfonated polyether ether ketone, and the weight ratio of this lithium salts and this sulfonated polyether ether ketone mostly is 5:1 most, and the molecular weight of this sulfonated polyether ether ketone is 10,000 – 50,000Da;
One first and second active layer, lay respectively at this solid polyelectrolyte layer relative two on the surface, this first and second active layer is in order to adion; And
One first and second electronic conductive layer, lays respectively on the outer surface of this first and second active layer, and this first and second electronic conductive layer comprises a low-impedance carbon cloth layer, and the electrical conductivity of this carbon cloth layer is at least 10S/cm.
2. soft ultracapacitor as claimed in claim 1, is characterized in that, this lithium salts is LiClO
4, LiBF
4, LiPF
6, LiAsF
6, LiCF
3sO
3, LiBr, LiN (CF
3sO
3)
2or the combination in any of aforementioned lithium salts.
3. soft ultracapacitor as claimed in claim 1, is characterized in that, this first and second active layer comprises carbon film, and those carbon films comprise this sulfonated polyether ether ketone of the conductive carbon black of 10 – 15wt%, the activated carbon of 60 – 70wt% and 15 – 30wt%.
4. soft ultracapacitor as claimed in claim 3, is characterized in that, the electrical conductivity of this conductive carbon black is 10
1– 10
2s/cm.
5. soft ultracapacitor as claimed in claim 3, is characterized in that, the specific area of this activated carbon is 1000 – 2000m
2/ g.
6. soft ultracapacitor as claimed in claim 1, is characterized in that, this first and second active layer comprises at least two carbon cloths, and the specific area of those carbon cloths is 1000 – 2000m
2/ g.
7. soft ultracapacitor as claimed in claim 6, it is characterized in that, more comprise at least two activated carbon layers, those activated carbon layers lay respectively between this first active layer and this first electronic conductive layer, and between this second active layer and this second electronic conductive layer.
8. soft ultracapacitor as claimed in claim 1, is characterized in that, this first and second active layer comprises nano-sized carbon tube layer, and the specific area of those CNT (carbon nano-tube) is 100 – 400m
2/ g.
9. soft ultracapacitor as claimed in claim 8, is characterized in that, this first and second active layer more comprises a bonding agent.
10. soft ultracapacitor as claimed in claim 1, is characterized in that, more comprises complete this first and second electronic conductive layer coated of an encapsulated layer, this first and second active layer and this solid polyelectrolyte layer.
11. soft ultracapacitors as claimed in claim 10, is characterized in that, the material of this encapsulated layer is aluminium foil or polymeric membrane.
12. soft ultracapacitors as claimed in claim 11, is characterized in that, this polymeric membrane comprises polypropylene screen or poly-terephthaldehyde's diethylester film.
The preparation method of 13. 1 kinds of soft ultracapacitors as described in claim 1-6, any one of 8-9, this preparation method comprises:
This first electronic conductive layer of sequential, this first active layer, this solid polyelectrolyte layer, this second active layer and this second electronic conductive layer from the bottom to top;
This first electronic conductive layer of pressing, this first active layer, this solid polyelectrolyte layer, this second active layer and this second electronic conductive layer, to form a ultracapacitor;
With a liquid this ultracapacitor moistening, this liquid is water, sulfuric acid solution or sulfate liquor; And
Encapsulate moistening after this ultracapacitor.
The preparation method of 14. soft ultracapacitors as claimed in claim 13, is characterized in that, the concentration of this sulfuric acid solution or this sulfate liquor is 0.1 – 1M.
The preparation method of 15. soft ultracapacitors as claimed in claim 13, is characterized in that, this sulfate liquor is lithium sulfate solution or metabisulfite solution.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/397,883 | 2012-02-16 | ||
| US13/397,883 US20120208091A1 (en) | 2011-02-16 | 2012-02-16 | Polymer-Based Solid Electrolytes and Preparation Methods Thereof |
| US13/572,728 | 2012-08-13 | ||
| US13/572,728 US20120308899A1 (en) | 2011-02-16 | 2012-08-13 | Polymer-Based Solid Electrolytes and Preparation Methods Thereof |
| US13/585,021 | 2012-08-14 | ||
| US13/585,021 US9111686B2 (en) | 2011-02-16 | 2012-08-14 | Flexible supercapacitor and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103258652A CN103258652A (en) | 2013-08-21 |
| CN103258652B true CN103258652B (en) | 2016-02-03 |
Family
ID=48962512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310011331.0A Active CN103258652B (en) | 2012-02-16 | 2013-01-11 | Soft ultracapacitor and preparation method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103258652B (en) |
| TW (1) | TWI503853B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317809A (en) * | 2000-04-12 | 2001-10-17 | 李永熙 | Super-grade capacitor for electrode of using new material and its mfg. method |
| CN101188150A (en) * | 2002-06-24 | 2008-05-28 | 三菱树脂株式会社 | Electric resin thin film, current collector and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002203749A (en) * | 2000-12-28 | 2002-07-19 | Daiso Co Ltd | Multilayer electrical double layer capacitor |
| US20030169558A1 (en) * | 2002-03-11 | 2003-09-11 | Olson John B. | Multi-function carbon composite capacitor electrode |
| EP1553604A4 (en) * | 2002-06-24 | 2008-08-27 | Mitsubishi Plastics Inc | Conductive resin film, collector and production methods therefore |
| JP5092272B2 (en) * | 2005-05-31 | 2012-12-05 | 新神戸電機株式会社 | Lead-acid battery and method for producing lead-acid battery |
| TW201024219A (en) * | 2008-12-30 | 2010-07-01 | Ind Tech Res Inst | Method for manufacturing nano carbon fibers |
-
2013
- 2013-01-11 CN CN201310011331.0A patent/CN103258652B/en active Active
- 2013-01-11 TW TW102101171A patent/TWI503853B/en active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317809A (en) * | 2000-04-12 | 2001-10-17 | 李永熙 | Super-grade capacitor for electrode of using new material and its mfg. method |
| CN101188150A (en) * | 2002-06-24 | 2008-05-28 | 三菱树脂株式会社 | Electric resin thin film, current collector and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| "Bifunctional carbon nanotube networks for supercapacitors";Kaempgen M, et al.;《Applied physics letters》;20070628;第90卷(第26期);264104 * |
| "New solid-state electric double-layer capacitor using poly(vinyl alcohol)-based polymer solid electrolyte";Kanbara T, et al.;《Journal of power sources》;20020104;第36卷(第1期);87-93 * |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201335960A (en) | 2013-09-01 |
| TWI503853B (en) | 2015-10-11 |
| CN103258652A (en) | 2013-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Jin et al. | Application of lithiated Nafion ionomer film as functional separator for lithium sulfur cells | |
| CN109817473B (en) | Lithium pre-embedding method of lithium ion electrochemical energy storage device | |
| Wang et al. | A single-ion gel polymer electrolyte based on polymeric lithium tartaric acid borate and its superior battery performance | |
| US20120321913A1 (en) | Manufacturing method for long-lived negative electrode and capacitor battery adopting the same | |
| CN206878100U (en) | collector and electrochemical energy storage device | |
| KR101214727B1 (en) | Electrodes, method for preparing the same, and electrochemical capacitor comprising the same | |
| KR20160146728A (en) | Electrolyte solution, battery, battery pack, electronic device, electric vehicle, electricity storage device and electric power system | |
| CN101847516A (en) | Capacitor battery of high-specific-energy organic system | |
| CN104051734A (en) | Electrode material for polyoxometallate carbon nanotube lithium ion battery and preparation method of electrode material | |
| TW200522408A (en) | Manufacturing method of electrochemical device | |
| CN109786658A (en) | Electrode pole piece, electrode pole piece preparation method and lithium ion battery | |
| CN104599859A (en) | Lithium ion capacitor and manufacturing method thereof | |
| CN109429535A (en) | Cathode containing electrode protecting layer and the lithium secondary battery comprising the cathode | |
| US20230136622A1 (en) | Current collector, electrochemical device containing same, and electronic device | |
| JP2010135361A (en) | Negative electrode, lithium ion capacitor, and manufacturing method of them | |
| US9111686B2 (en) | Flexible supercapacitor and preparation method thereof | |
| CN106133982A (en) | Sodium ion secondary battery | |
| CN104201414B (en) | The charging method of lithium ion battery and preparation method thereof and lithium ion battery | |
| CN106057493A (en) | Method for preparing super capacitor diaphragm | |
| KR101464524B1 (en) | Electrical double layer capacitor with excellent withstanding voltage property | |
| CN105390295A (en) | Lithium-ion capacitor, and negative material and negative electrode plate thereof | |
| CN106654270A (en) | A cathode prepared from a hard carbon material, an energy storage apparatus comprising the cathode, uses of the hard carbon and a preparing method of the cathode | |
| CN105575670A (en) | Relevant solid-state flexible polymer gel electrolyte hybrid supercapacitor and method | |
| Yang et al. | Electrochemical performances of electric double layer capacitor with UV-cured gel polymer electrolyte based on poly [(ethylene glycol) diacrylate]–poly (vinylidene fluoride) blend | |
| CN112803061A (en) | All-solid-state lithium battery and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |