CN105047418A - Lithium-titanate-based lithium-ion capacitor - Google Patents
Lithium-titanate-based lithium-ion capacitor Download PDFInfo
- Publication number
- CN105047418A CN105047418A CN201510508254.9A CN201510508254A CN105047418A CN 105047418 A CN105047418 A CN 105047418A CN 201510508254 A CN201510508254 A CN 201510508254A CN 105047418 A CN105047418 A CN 105047418A
- Authority
- CN
- China
- Prior art keywords
- lithium
- negative
- lithium titanate
- ion capacitor
- 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.)
- Granted
Links
Classifications
-
- 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
- Y02E60/13—Energy storage using capacitors
Landscapes
- Electric Double-Layer Capacitors Or The Like (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to a lithium-titanate-based lithium-ion capacitor comprising a housing, a cell arrnaged inside the housing, and an electrolyte impregnated in the cell. A positive electrode slice, a negative electrode slice, and a diaphragm arranged between the positive electrode and the negative electrode are wound or stacked to form the cell. The positive electrode slice includes a positive current collector and a positive coating layer coated on the positive current collector; and the negative electrode slice includes a negative current collector and a negative coating layer coated on the negative current collector. The positive coating layer contains a positive active material, a conductive agent, and a binding agent; and the negative coating layer contains a negative active material, a conductive agent, and a binding agent. The capacitor is characterized in that the positive active material is made of a carbon material with a high specific surface area; and the negative active material is made of a composite material with the lithium titanate and carbon material and the negative electrode slice is processed by pre-embedding lithium processing.
Description
Technical field
The present invention relates to a kind of lithium-ion capacitor, especially relate to the lithium-ion capacitor that a kind of negative pole adopts lithium titanate composite electrode.
Background technology
Lithium-ion capacitor is a kind of novel power-type energy storage device, compared with lithium ion battery its high-multiplying power discharge and cycle life better, 3-6 can be improved doubly with the ultracapacitor phase specific energy density of electric double layer.The positive pole of usual lithium-ion capacitor adopts absorbent charcoal material, and negative pole adopts graphite, hard carbon or soft material with carbon element.Because the insertion reaction of lithium occurs carbon based negative electrodes material in charging process, the interlayer of Lithium-ion embeding graphite, this process need overcomes larger potential barrier, thus limits the high rate performance of material; In addition, the cryogenic property of carbon-based material negative pole is not good, limits the application of lithium-ion capacitor.Adopt lithium titanate base negative material can overcome these defects." Energy & EnvironmentalScience " the 5th volume o. 11th in 2012 the 9363rd page reports and adopts that active carbon is positive pole, the composite material adopting nano lithium titanate and carbon nano-fiber is the lithium-ion capacitor of negative pole, and thinks that lithium titanate base negative pole does not need pre-embedding lithium.But, lithium titanate base negative material the initial period of charging process and termination phase all the capacity of some be depart from plateau potential (~ 1.55V), also be like this at discharge process, cause lithium-ion capacitor to have the capacity of part not bring into play.
Summary of the invention
The object of this invention is to provide a kind of lithium titanate base lithium ion capacitor of high power capacity.
In order to solve the problems of the technologies described above, the present invention by the following technical solutions:
A kind of lithium titanate base lithium ion capacitor, comprises housing, is placed in the battery core of enclosure interior and is impregnated in the electrolyte in battery core, described battery core is by anode electrode sheet, negative electricity pole piece and be placed in barrier film between anode electrode sheet and negative electricity pole piece by reel or the mode of lamination obtains, described anode electrode sheet comprises plus plate current-collecting body and is coated on the positive pole coating layer on plus plate current-collecting body, described negative electricity pole piece comprises negative current collector and is coated on the negative pole coating layer on negative current collector, described positive pole coating layer comprises positive electrode active materials, conductive agent and binding agent, described negative pole coating layer comprises negative active core-shell material, conductive agent and binding agent, described positive electrode active materials is the material with carbon element of high-specific surface area, described negative active core-shell material is the composite material of lithium titanate and material with carbon element, and has carried out pre-embedding lithium process to described negative electricity pole piece.
As preferred embodiment, the pre-lithium-inserting amount of described negative electricity pole piece meets following relation:
m
p×C
ps+m
n×C
ns≤m
n×C
nl≤m
n×C
nt-m
p×C
pt
Wherein, m
pfor the quality of positive electrode active materials, C
psfor positive electrode active materials is relative to the specific capacity of metal lithium electrode in 2.0 ~ 3.0V potential region, m
nfor the quality of negative active core-shell material, C
nsfor negative active core-shell material is relative to the charge specific capacity of metal lithium electrode in 3.0 ~ 1.55V potential region, C
nlfor the specific capacity of the pre-embedding lithium of negative active core-shell material, C
ntfor negative active core-shell material is relative to the charge specific capacity of metal lithium electrode in 3.0 ~ 1.0V potential region, C
ptfor positive electrode active materials is relative to the specific capacity of metal lithium electrode in 2.0 ~ 4.2V potential region." charge specific capacity " mentioned here, refers to and makes in the process that negative electricity potential drop is low by electrochemical method, the specific capacity of negative active core-shell material.
As preferably, the pre-lithium-inserting amount of described negative active core-shell material is 30 ~ 100mAh/g.
As preferably, described positive electrode active materials and the mass ratio of negative active core-shell material are 2 ~ 3.5:1.
Described high-specific surface area material with carbon element, its specific area is not less than 500m
2/ g.As preferably, described high-specific surface area material with carbon element is carbon fiber or the Graphene of active carbon or activity.Described lithium titanate and the composite material of material with carbon element are the composite material of lithium titanate and Graphene or lithium titanate and carbon nano-fiber or lithium titanate and CNT (carbon nano-tube).In described lithium titanate and the composite material of material with carbon element, carbon content is 5 ~ 30 % by weight.
The LA series aqueous binders etc. of Kynoar (PVDF) or polytetrafluoroethylene (PTFE) or sodium carboxymethylcellulose (CMC) or the happy product of butadiene-styrene rubber (SBR) or Chengdu mattress ground selected by described binding agent.Described conductive agent is selected from conductive black, electrically conductive graphite or carbon nano-tube.
Accompanying drawing explanation
Figure 1 shows that the lithium titanate base lithium ion capacitor charging/discharging curve of embodiment 6;
Figure 2 shows that the lithium titanate base lithium ion capacitor charging/discharging curve of embodiment 9.
Embodiment
The present invention is by negative electricity pole piece, anode electrode sheet and the barrier film lamination be interposed between negative electricity pole piece and anode electrode sheet or reel and form battery core.Electrode slice adopts the method for coating to make: be applied on aluminium foil by the slurry comprising positive active material, conductive agent and binding agent, make anode electrode sheet; Be applied on aluminium foil or Copper Foil by the slurry comprising negative electrode active material, conductive agent and binding agent, make negative electricity pole piece, described aluminium foil or Copper Foil contain the through hole of 2% ~ 30% percent opening.
The LA series aqueous binders etc. of Kynoar (PVDF) or polytetrafluoroethylene (PTFE) or sodium carboxymethylcellulose (CMC) or the happy product of butadiene-styrene rubber (SBR) or Chengdu mattress ground selected by described binding agent.Described conductive agent is selected from conductive black, electrically conductive graphite or carbon nano-tube.Positive electrode active materials is one or more in the carbon fiber of active carbon or activity or Graphene; Negative active core-shell material is the composite material of lithium titanate and Graphene or lithium titanate and carbon nano-fiber or lithium titanate and CNT (carbon nano-tube), and in composite material, carbon content is 5 ~ 30 % by weight.
Lithium-ion capacitor can be prepared as follows: negative electricity pole piece, anode electrode sheet and barrier film lamination or winding are formed battery core, and barrier film is between negative electricity pole piece and anode electrode sheet; Battery core is put into housing, and the lug of positive pole and negative pole stretches out housing; Metal lithium electrode puts into housing, metal lithium electrode and battery core staggered relatively and separate with barrier film; Housing carries out hot-seal to housing after injecting excessive electrolyte; Using metal lithium electrode as to electrode, the pre-embedding lithium of anticathode, embedding lithium capacity is 30 ~ 100mAh/g.Finally, take out metal lithium electrode, pour out unnecessary electrolyte, carry out vacuum seal, obtain lithium ion hybrid capacitors.
Below in conjunction with embodiment, the invention will be further described.
The preparation of embodiment 1 anode electrode sheet
The sodium carboxymethylcellulose of taking 5 mass parts is dissolved in the deionized water of 2000 mass parts, then the butadiene-styrene rubber adding 30 mass parts mixes, more successively adds the conductive black of 50 mass parts and the active carbon of 500 mass parts, mixes, makes slurry.Slurry being applied to percent opening is on the aluminium foil of 20%, by drying, roll-in, the technique such as to cut, makes anode electrode sheet.
The preparation of embodiment 2 anode electrode sheet
The polytetrafluoroethylene binding agent of the LA135 binding agent and 5 mass parts of taking 30 mass parts is dissolved in the deionized water of 2000 mass parts, add the conductive black of 40 mass parts, the electrically conductive graphite of 10 mass parts and the active carbon of 400 mass parts, the carbon fiber of the activity of 50 mass parts, the Graphene of 50 mass parts, mix, make slurry.Slurry being applied to percent opening is on the aluminium foil of 30%, by drying, roll-in, the technique such as to cut, makes anode electrode sheet.
The preparation of embodiment 3 negative electricity pole piece
First a certain amount of graphite oxide aqueous solution is taken, wherein the content of graphite oxide about 0.2 gram, is dispersed in 300 ml deionized water, and with ultrasonic wave process 30 minutes, and then the lithium titanate taking 0.9 gram joins in this graphite oxide aqueous solution, more ultrasonic process 30 minutes.Solution after process is transferred in eggplant type bottle, under the water-bath of 75 DEG C, carries out drying with Rotary Evaporators to sample, obtains the composite material of lithium titanate and graphite oxide.In 500 DEG C of argon gas, process 1 hour further, can obtain the composite material of lithium titanate and Graphene, carbon content is 10 quality %.
The Kynoar of taking 3 mass parts is dissolved in the 1-METHYLPYRROLIDONE of 150 mass parts, adds the conductive carbon black of the lithium titanate of 50 mass parts and the composite material of Graphene and 5 mass parts, mixes, make slurry.Slurry being applied to percent opening is on the aluminium foil of 20%, by drying, roll-in, the technique such as to cut, makes negative electricity pole piece.
The preparation of embodiment 4 negative electricity pole piece
The multiple-wall carbon nanotube of 1 mass parts to be joined in appropriate deionized water, and with ultrasonic wave process 30 minutes, and then the lithium titanate taking 19 mass parts joins in this aqueous solution, more ultrasonic process 30 minutes.Solution after process is transferred in eggplant type bottle, under the water-bath of 75 DEG C, carries out drying with Rotary Evaporators to sample, obtains the composite material of lithium titanate and CNT (carbon nano-tube), and carbon content is 5 quality %.
The Kynoar of taking 3 mass parts is dissolved in the 1-METHYLPYRROLIDONE of 150 mass parts, adds the conductive carbon black of the lithium titanate of 50 mass parts and the composite material of Graphene and 5 mass parts, mixes, make slurry.Slurry being applied to percent opening is on the aluminium foil of 20%, by drying, roll-in, the technique such as to cut, makes negative electricity pole piece.
The preparation of embodiment 5 negative electricity pole piece
The carbon nano-fiber of 3 mass parts to be joined in appropriate deionized water, and with ultrasonic wave process 30 minutes, and then the lithium titanate taking 7 mass parts joins in this aqueous solution, more ultrasonic process 30 minutes.Solution after process is transferred in eggplant type bottle, under the water-bath of 75 DEG C, carries out drying with Rotary Evaporators to sample, obtains the composite material of lithium titanate and carbon nano-fiber, and carbon content is 30 quality %.
The Kynoar of taking 3 mass parts is dissolved in the 1-METHYLPYRROLIDONE of 150 mass parts, adds the conductive carbon black of the lithium titanate of 50 mass parts and the composite material of carbon nano-fiber and 5 mass parts, mixes, make slurry.Slurry being applied to percent opening is on the aluminium foil of 20%, by drying, roll-in, the technique such as to cut, makes negative electricity pole piece.
The preparation of embodiment 6 ~ 12 lithium titanate base lithium ion capacitor
Negative electricity pole piece laminating prepared by anode electrode sheet embodiment 1 prepared and embodiment 3 makes lithium-ion capacitor, positive electrode active materials and negative active core-shell material mass ratio are 2:1, pre-lithium-inserting amount is 0 ~ 160mAh/g, and the test specific capacity obtained based on negative active core-shell material in 1-2.5V voltage range sees the following form.Testing equipment is the cell tester of Wuhan Lan electricity company CT2001A, and measuring current is 20mA/g, and following examples also use identical testing equipment and measuring current.
| Embodiment | Pre-embedding lithium capacity (mAh/g) | Device specific capacity (mAh/g) |
| 6 | 0 | 58 |
| 7 | 10 | 69 |
| 8 | 30 | 80 |
| 9 | 80 | 86 |
| 10 | 100 | 80 |
| 11 | 130 | 71 |
| 12 | 160 | 49 |
As seen from the above table, pre-embedding lithium capacity is that 30 ~ 100mAh/g lithium-ion capacitor has maximum capacity.As seen from Figure 1, pre-embedding lithium capacity is the voltage-time curve all significantly departs from linear of 0mAh/g lithium-ion capacitor in the initial sum end of a period stage, and capacity of negative plates can not give full play to.By contrast, in Fig. 2, pre-embedding lithium capacity is 80mAh/g, and lithium-ion capacitor voltage-time curve is overall than having revealed linear character, has given full play to the capacity of negative pole.
The preparation of embodiment 13 lithium titanate base lithium ion capacitor
Negative electricity pole piece laminating prepared by anode electrode sheet embodiment 2 prepared and embodiment 4 makes lithium-ion capacitor, positive electrode active materials and negative active core-shell material mass ratio are 3.5:1, pre-lithium-inserting amount is 80mAh/g, and it is 85mAh/g that test to obtain in 1-2.5V voltage range based on the specific capacity of negative active core-shell material.
The preparation of embodiment 14 lithium titanate base lithium ion capacitor
Negative electricity pole piece coiling prepared by anode electrode sheet embodiment 2 prepared and embodiment 5 makes lithium-ion capacitor, positive electrode active materials and negative active core-shell material mass ratio are 3.5:1, pre-lithium-inserting amount is 50mAh/g, and it is 105mAh/g that test to obtain in 1-2.5V voltage range based on the specific capacity of negative active core-shell material.
Claims (7)
1. a lithium titanate base lithium ion capacitor, comprises housing, is placed in the battery core of enclosure interior and is impregnated in the electrolyte in battery core, described battery core is by anode electrode sheet, negative electricity pole piece and be placed in barrier film between anode electrode sheet and negative electricity pole piece by reel or the mode of lamination obtains, described anode electrode sheet comprises plus plate current-collecting body and is coated on the positive pole coating layer on plus plate current-collecting body, described negative electricity pole piece comprises negative current collector and is coated on the negative pole coating layer on negative current collector, described positive pole coating layer comprises positive electrode active materials, conductive agent and binding agent, described negative pole coating layer comprises negative active core-shell material, conductive agent and binding agent, it is characterized in that: described positive electrode active materials is that specific area is not less than 500m
2the material with carbon element of/g, described negative active core-shell material is the composite material of lithium titanate and material with carbon element, and has carried out pre-embedding lithium process to described negative electricity pole piece.
2. lithium titanate base lithium ion capacitor according to claim 1, is characterized in that: meet following relation to the pre-lithium-inserting amount of described negative electricity pole piece:
m
p×C
ps+m
n×C
ns≤m
n×C
nl≤m
n×C
nt-m
p×C
pt
Wherein, m
pfor the quality of positive electrode active materials, C
psfor positive electrode active materials is relative to the specific capacity of metal lithium electrode in 2.0 ~ 3.0V potential region, m
nfor the quality of negative active core-shell material, C
nsfor negative active core-shell material is relative to the charge specific capacity of metal lithium electrode in 3.0 ~ 1.55V potential region, C
nlfor the specific capacity of the pre-embedding lithium of negative active core-shell material, C
ntfor negative active core-shell material is relative to the charge specific capacity of metal lithium electrode in 3.0 ~ 1.0V potential region, C
ptfor positive electrode active materials is relative to the specific capacity of metal lithium electrode in 2.0 ~ 4.2V potential region.
3. lithium titanate base lithium ion capacitor according to claim 1, is characterized in that: the pre-lithium-inserting amount of described negative active core-shell material is 30 ~ 100mAh/g.
4. lithium titanate base lithium ion capacitor according to claim 1, is characterized in that: described positive electrode active materials and the mass ratio of negative active core-shell material are 2 ~ 3.5:1.
5. lithium titanate base lithium ion capacitor according to claim 1, is characterized in that: described specific area is not less than 500m
2the material with carbon element of/g is carbon fiber or the Graphene of active carbon or activity.
6. lithium titanate base lithium ion capacitor according to claim 1, is characterized in that: described lithium titanate and the composite material of material with carbon element are the composite material of lithium titanate and Graphene or lithium titanate and carbon nano-fiber or lithium titanate and CNT (carbon nano-tube).
7. lithium titanate base lithium ion capacitor according to claim 6, is characterized in that: in described lithium titanate and the composite material of material with carbon element, carbon content is 5 ~ 30 % by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510508254.9A CN105047418B (en) | 2015-08-18 | 2015-08-18 | A kind of lithium titanate base lithium ion capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510508254.9A CN105047418B (en) | 2015-08-18 | 2015-08-18 | A kind of lithium titanate base lithium ion capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105047418A true CN105047418A (en) | 2015-11-11 |
| CN105047418B CN105047418B (en) | 2017-11-14 |
Family
ID=54453881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510508254.9A Active CN105047418B (en) | 2015-08-18 | 2015-08-18 | A kind of lithium titanate base lithium ion capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105047418B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489395A (en) * | 2016-01-25 | 2016-04-13 | 谢镕安 | Production method of lithium ion super capacitor, and lithium ion super capacitor |
| CN105679547A (en) * | 2016-03-10 | 2016-06-15 | 南京理工大学 | Nickel ferrite based lithium ion hybrid capacitor and preparation method thereof |
| CN106356199A (en) * | 2016-11-10 | 2017-01-25 | 上海奥威科技开发有限公司 | Lithium titanate supercapacitor with good linear charging and discharging behaviors |
| CN108428563A (en) * | 2018-03-19 | 2018-08-21 | 中国科学院电工研究所 | A kind of lithium ion battery capacitance |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101252043A (en) * | 2007-04-25 | 2008-08-27 | 北京理工大学 | Pre-embedding method of lithium ion super capacitor cathode |
| CN101789315A (en) * | 2010-03-19 | 2010-07-28 | 常州康维电子科技有限公司 | Hybrid super capacitor and preparation method thereof |
| CN103413692A (en) * | 2013-08-25 | 2013-11-27 | 中国科学院青岛生物能源与过程研究所 | Lithium ion capacitor positive plate and lithium ion capacitor using same |
-
2015
- 2015-08-18 CN CN201510508254.9A patent/CN105047418B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101252043A (en) * | 2007-04-25 | 2008-08-27 | 北京理工大学 | Pre-embedding method of lithium ion super capacitor cathode |
| CN101789315A (en) * | 2010-03-19 | 2010-07-28 | 常州康维电子科技有限公司 | Hybrid super capacitor and preparation method thereof |
| CN103413692A (en) * | 2013-08-25 | 2013-11-27 | 中国科学院青岛生物能源与过程研究所 | Lithium ion capacitor positive plate and lithium ion capacitor using same |
Non-Patent Citations (1)
| Title |
|---|
| KATSUHIKO NAOI等: ""Second generation‘nanohybrid supercapacitor’: Evolution of capacitive energy storage devices"", 《ENERGY & ENVIRONMENTAL SCIENCE》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489395A (en) * | 2016-01-25 | 2016-04-13 | 谢镕安 | Production method of lithium ion super capacitor, and lithium ion super capacitor |
| CN105679547A (en) * | 2016-03-10 | 2016-06-15 | 南京理工大学 | Nickel ferrite based lithium ion hybrid capacitor and preparation method thereof |
| CN106356199A (en) * | 2016-11-10 | 2017-01-25 | 上海奥威科技开发有限公司 | Lithium titanate supercapacitor with good linear charging and discharging behaviors |
| CN108428563A (en) * | 2018-03-19 | 2018-08-21 | 中国科学院电工研究所 | A kind of lithium ion battery capacitance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105047418B (en) | 2017-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104008893B (en) | The preparation method of lithium ion hybrid capacitors and lithium ion hybrid capacitors thereof | |
| CN102544502B (en) | Anode and cathode conductive additive for secondary lithium battery, method for preparing conductive additive, and method for preparing secondary lithium battery | |
| JP4705566B2 (en) | Electrode material and manufacturing method thereof | |
| CN104347880A (en) | Lithium ion battery capable of quick charging | |
| CN107248451B (en) | A kind of lithium-ion capacitor of high-energy density | |
| KR101214727B1 (en) | Electrodes, method for preparing the same, and electrochemical capacitor comprising the same | |
| CN101894682B (en) | High-energy ultracapacitor | |
| CN103000390B (en) | A kind of negative pole currect collecting preparation and use the ultracapacitor of this collector | |
| CN108899522B (en) | High-capacity silicon-carbon negative electrode material, preparation method and application | |
| CN105161309A (en) | Lithium ion hybrid capacitor | |
| US9318272B2 (en) | Nickel—cobalt supercapacitors and methods of making same | |
| WO2020118880A1 (en) | Graphite positive electrode and zinc negative electrode-based hybrid super capacitor | |
| CN111430664A (en) | High-load electrode, preparation method and lithium ion battery thereof | |
| CN105047418B (en) | A kind of lithium titanate base lithium ion capacitor | |
| CN109346335A (en) | Lithium source active material, anode pole piece, lithium-ion capacitor and preparation method thereof | |
| CN109300698A (en) | A kind of lithium-ion capacitor and preparation method thereof | |
| CN112542571A (en) | Novel lithium ion battery positive pole piece and preparation method and application thereof | |
| CN112542572A (en) | Novel lithium ion battery positive pole piece and preparation method and application thereof | |
| CN104282877B (en) | Electrode slice and the lithium ion battery containing the electrode slice | |
| CN208674263U (en) | Compound cathode and lithium secondary battery | |
| CN102938322A (en) | Super-capacitance battery and preparation method thereof | |
| CN112420399B (en) | High-specific-property lithium ion capacitor and preparation method thereof | |
| KR100928224B1 (en) | Manufacturing method of nano active material electrode for energy storage device | |
| He et al. | Carbon nanotubes/MnO2 composite fabricated via laser welding and electrodeposition as flexible electrode for supercapacitors | |
| JP2012235041A (en) | Positive electrode and lithium-ion capacitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |