CN101071860A - Flexible current-collecting body - Google Patents
Flexible current-collecting body Download PDFInfo
- Publication number
- CN101071860A CN101071860A CNA2007100116544A CN200710011654A CN101071860A CN 101071860 A CN101071860 A CN 101071860A CN A2007100116544 A CNA2007100116544 A CN A2007100116544A CN 200710011654 A CN200710011654 A CN 200710011654A CN 101071860 A CN101071860 A CN 101071860A
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- China
- Prior art keywords
- layer
- film material
- conductive
- collecting body
- flexible current
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- 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
- Y02E60/10—Energy storage using batteries
Abstract
This invention characteristic is that the flexible flow-collection body comprises support layer and conducive layer, the support layer is an organic membranous winding material whose thickness is 10-100mum; conductive layer is 1-500-layer conductive membranous material whose thickness is 10nm-10mum; The conductive layer material of the flexible flow- collection body is nickel, the platinum, golden, ruthenium, the cobalt or the manganese metal membranous material; RuO2, NiO, TiO2,SnO2, ZrO2, V2O5 or MnO2 transition metal oxide compound membranous material, poly-aniline, poly-pyrrole and poly-thiophene conductive polymer membranous material.
Description
Technical field
The invention belongs to new material technology field, relate to the structure of a class current collector material.
Background technology
In recent years, along with the develop rapidly of electronic technology, new electronic product constantly occurs, and battery, ultracapacitor market also constantly enlarge.Particularly ultracapacitor and battery can provide more powerful and more reliable system for the startup of automobile engine in conjunction with being used for electric automobile, and can store the energy when braking, and are used for once more quickening next time and support to quicken.In order to be more widely used in fields such as electric tool, electric automobiles, the power density of these batteries, ultracapacitor and energy density all need further raising.Usually battery, ultracapacitor are assembled by electrode, electrolyte, barrier film, collector, shell etc.The principal element of restriction battery, ultracapacitor has the energy storage capacity of electrode material; The cost of electrode material; The factors such as weight and volume of electrode, collector, sheathing material.Therefore the weight and volume that increases low-cost electrode material energy-storage property and each composition material of reduction device can effectively improve device performance.The R and D of some research units and enterprise both at home and abroad are the research and development based on electrode material at present, and performance can't satisfy the practicability requirement at present.
Battery can provide higher energy density, but power density is low, has volume, problem that weight is big.The research of electrode material for super capacitor mainly is to adopt the high power capacity active material to improve energy density, but the cost height, effect is undesirable.Disclose active carbon (or activated carbon fiber) and CNT (carbon nano-tube) compoundly as 00136008.6, improve the active material energy density as the capacitor with super capacity electrode material, but capacitor produced performance can't satisfy practical applications such as electric automobile.
Summary of the invention
The purpose of this invention is to provide a kind of flexible current-collecting body and be applied to battery, ultracapacitor energy storage device, solve the energy density and the low problem of power density of existing battery, the existence of ultracapacitor energy storage device by the weight and volume that reduces energy storage device, thereby improve the performance of energy storage device.
Technical scheme of the present invention is:
Flexible current-collecting body provided by the invention is made up of supporting layer/conductive layer, and supporting layer is low-density, intensity height, corrosion-resistant, the organic film material that can reel, and thickness is 10～100 μ m.Conductive layer is 1～500 layer of composite conductive thin film material, and thickness is 10nm～10 μ m.Conductive is nickel, platinum, gold, ruthenium, cobalt or manganese metallic film material; Or be RuO
2, NiO, TiO
2, SnO
2, ZrO
2, V
2O
5Or MnO
2The transition metal oxide film material; Or be polyaniline, poly-polypyrrole or polythiophene conducting polymer materials thin-film material.Conductive layer takes pulsed magnetron sputtering technology plated film in supporting layer, the composite current collector of preparation material, controllable thickness.Adopting conductive is the target source, is supporting layer with the organic film, and target and supporting layer vertical range are 20～90mm.Back of the body end vacuum degree is 1 * 10 in the plated film chamber
-4～1 * 10
-5Pa, the supporting layer temperature is controlled at 30 ℃～300 ℃.With oxygen-argon gas mist is working gas, and oxygen-ar pressure ratio is 5%～40%; Regulating build-up of luminance air pressure is 0.5～3.5Pa, and sputtering power is 80～300W, and pulse frequency is 10kHz～100kHz, gives bias voltage 50～200V.Utilize the computer controlled filming process, by rotary target and control its sputtering time, prepare 1～500 layer film on supporting layer, every tunic sputtering time is 2～30s, and every layer film thickness is 10～200 nanometers.
Implementing the preparation process that technical solution of the present invention adopted is: target and supporting layer → vacuumize → supporting layer is installed is heated → fill working gas → filming parameter adjusting → plated film → shutdown → amplification gas → sampling.
Effect benefit of the present invention is:
Adopt the flexible current-collecting body of pulsed magnetron sputtering technology preparation, with low-density, the organic film that can reel is supporting layer, plated film thereon, can reduce the device weight and volume significantly, thereby improve the performance of energy storage devices such as battery, ultracapacitor, this flexible current-collecting body has good mouldability simultaneously.
Embodiment
Below in conjunction with technical scheme, be described in detail the specific embodiment of the present invention:
The selection of step 1 target and supporting layer and installation
Select target be installed in pulsed magnetron sputtering plated film the chamber in below on the target stand; With the organic film is supporting layer, is installed in top center position in the plated film chamber, with the vertical range of target be 20～90mm.
Step 2 vacuumizes with supporting layer and heats
At first start mechanical pump, after 15～40 minutes,, open electromagnetically operated valve and molecular pump successively, turn off and otherly take out valve, open slide valve when plated film chamber internal gas pressure during less than 30Pa; After 40～70 minutes, when air pressure reach～10
-3During Pa, start heating power supply, transfer electric current (I from small to large slowly
Max=11.5A), improve the rate of heat addition.Back of the body end vacuum degree is 1 * 10
-4～1 * 10
-5Pa, the supporting layer temperature is controlled at 30 ℃～300 ℃.
Step 3 fills working gas and filming parameter is regulated
Turn off the high vacuum pressure meter, open the flowmeter power supply, intake valve and flowmeter valve are opened in preheating 3～6 minutes then successively, aerating oxygen-argon gas mist; The air pressure ratio of regulating oxygen-argon gas working gas by mass flowmenter is 5%～40%; Turn down slide valve, transferring build-up of luminance air pressure is 0.5～3.5Pa, and sputtering power is 80～300W, and pulse frequency is 10kHz～100kHz, regulates the power supply coupling, gives bias voltage 50～200V.
Step 4 plated film
Utilize the computer controlled filming process, by rotary target and control its sputtering time, plated film on supporting layer, film sputtering time are 2～30s, and film thickness is 10～200 nanometers.
Step 5 sampling
According to the order opposite shutdown with device start, check that slide valve, side take out valve and whether close, open vent valve then, venting finishes, and behind cavity temperature to be coated＜80 ℃, opens the coating chamber sampling.
Claims (1)
1, a kind of flexible current-collecting body is characterized in that:
A) described flexible current-collecting body is made up of supporting layer/conductive layer, and supporting layer is an organic film material, and thickness is 10～100 μ m, and conductive layer is a conductive film material, and thickness is 10nm～10 μ m;
B) conductive film material of described flexible current-collecting body conductive layer is 1～500 layer of composite film material;
C) conductive film material of described flexible current-collecting body conductive layer is nickel, platinum, gold, ruthenium, cobalt or manganese metallic film material;
D) conductive film material of described flexible current-collecting body conductive layer is RuO
2, NiO, TiO
2, SnO
2, ZrO
2, V
2O
5Or MnO
2The transition metal oxide film material;
E) conductive film material of described flexible current-collecting body conductive layer is polyaniline, polypyrrole or polythiophene conducting polymer thin film material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100116544A CN101071860A (en) | 2007-06-08 | 2007-06-08 | Flexible current-collecting body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100116544A CN101071860A (en) | 2007-06-08 | 2007-06-08 | Flexible current-collecting body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101071860A true CN101071860A (en) | 2007-11-14 |
Family
ID=38898923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100116544A Pending CN101071860A (en) | 2007-06-08 | 2007-06-08 | Flexible current-collecting body |
Country Status (1)
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| CN (1) | CN101071860A (en) |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360949A (en) * | 2011-09-14 | 2012-02-22 | 中国第一汽车股份有限公司 | Current collector for flexible solid super capacitor and preparation method of current collector |
| CN101418214B (en) * | 2008-12-08 | 2012-05-02 | 浙江大学 | Electrochromic material and preparation method thereof |
| CN103155064A (en) * | 2010-07-28 | 2013-06-12 | 诺基亚公司 | Telecommunication apparatus and associated methods |
| CN103325998A (en) * | 2013-05-15 | 2013-09-25 | 同济大学 | Flexible nano SnO2/Si composite lithium ion battery negative-electrode material and preparation method thereof |
| CN103427087A (en) * | 2012-05-17 | 2013-12-04 | 清华大学 | Current collector, electrochemical cell electrode, and electrochemical cell |
| CN104979565A (en) * | 2015-05-26 | 2015-10-14 | 广东烛光新能源科技有限公司 | Electrochemical energy storage device |
| US9162894B2 (en) | 2011-04-28 | 2015-10-20 | Ningbo Institute Of Material Technology And Engineering, Chinese Academy Of Sciences | Method for preparing graphene |
| CN105810445A (en) * | 2015-10-29 | 2016-07-27 | 钰邦电子（无锡）有限公司 | High-energy-storage capacitive unit |
| CN106471646A (en) * | 2014-10-31 | 2017-03-01 | 株式会社Lg 化学 | Electrode for secondary battery, its manufacture method, the secondary cell comprising it and cable Type Rechargeable Battery |
| CN106654285A (en) * | 2016-11-18 | 2017-05-10 | 浙江大学 | Flexible current collector for lithium battery and preparation method thereof |
| CN106654286A (en) * | 2016-11-18 | 2017-05-10 | 浙江大学 | Flexible electrode and preparation method thereof |
| CN106898729A (en) * | 2017-03-27 | 2017-06-27 | 浙江大学 | Flexible current-collecting body, electrode and battery comprising the flexible current-collecting body |
| CN107154499A (en) * | 2017-04-14 | 2017-09-12 | 深圳鑫智美科技有限公司 | A kind of lithium battery containing new current collector and preparation method thereof |
| CN108281662A (en) * | 2017-01-12 | 2018-07-13 | 宁德时代新能源科技股份有限公司 | Current collector, pole piece and battery thereof and application |
| US10038182B2 (en) | 2011-05-12 | 2018-07-31 | Ningbo Institute Of Material Technology And Engineering, Chinese Academy Of Sciences | Graphene coating modified electrode plate for lithium secondary battery and method for producing the same |
| CN108832134A (en) * | 2018-06-28 | 2018-11-16 | 清陶（昆山）新能源材料研究院有限公司 | A kind of flexible current-collecting body and preparation method thereof and the application in lithium ion battery |
| CN109873163A (en) * | 2017-12-05 | 2019-06-11 | 宁德时代新能源科技股份有限公司 | Current collector, pole piece and battery thereof and application |
| CN110112008A (en) * | 2019-04-23 | 2019-08-09 | 太仓萃励新能源科技有限公司 | A kind of RuO2The synthetic method of-PPy-RGO ternary electrochemical capacitance material |
| CN110760802A (en) * | 2018-07-27 | 2020-02-07 | 浙江清华柔性电子技术研究院 | Energy storage ceramic film |
| WO2020134732A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Electrode plate and electrochemical device |
| WO2020134731A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Electrode plate and electrochemical device |
| WO2020134650A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Electrode plate, electrochemical apparatus, battery module, battery pack, and device |
| CN111463436A (en) * | 2020-04-20 | 2020-07-28 | 华鼎国联四川动力电池有限公司 | Lithium ion battery current collector and preparation method thereof |
| CN112151809A (en) * | 2020-10-30 | 2020-12-29 | 蜂巢能源科技有限公司 | Flexible current collector, preparation method thereof and lithium ion battery |
| WO2022068207A1 (en) | 2020-09-30 | 2022-04-07 | 江苏卓高新材料科技有限公司 | Composite current collector, preparation method, and lithium ion battery |
| CN114744205A (en) * | 2022-03-29 | 2022-07-12 | 电子科技大学 | Composite membrane material for current collector, preparation method and lithium ion battery |
| US11539050B2 (en) | 2017-01-12 | 2022-12-27 | Contemporary Amperex Technology Co., Limited | Current collector, electrode plate and battery containing the same, and application thereof |
-
2007
- 2007-06-08 CN CNA2007100116544A patent/CN101071860A/en active Pending
Cited By (38)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101418214B (en) * | 2008-12-08 | 2012-05-02 | 浙江大学 | Electrochromic material and preparation method thereof |
| CN103155064A (en) * | 2010-07-28 | 2013-06-12 | 诺基亚公司 | Telecommunication apparatus and associated methods |
| US9162894B2 (en) | 2011-04-28 | 2015-10-20 | Ningbo Institute Of Material Technology And Engineering, Chinese Academy Of Sciences | Method for preparing graphene |
| US10038182B2 (en) | 2011-05-12 | 2018-07-31 | Ningbo Institute Of Material Technology And Engineering, Chinese Academy Of Sciences | Graphene coating modified electrode plate for lithium secondary battery and method for producing the same |
| CN102360949A (en) * | 2011-09-14 | 2012-02-22 | 中国第一汽车股份有限公司 | Current collector for flexible solid super capacitor and preparation method of current collector |
| CN103427087A (en) * | 2012-05-17 | 2013-12-04 | 清华大学 | Current collector, electrochemical cell electrode, and electrochemical cell |
| CN103427087B (en) * | 2012-05-17 | 2016-03-09 | 清华大学 | Collector, electrochemical cell electrode and electrochemical cell |
| CN103325998B (en) * | 2013-05-15 | 2016-01-20 | 同济大学 | Flexible nano SnO 2/ Si complex lithium ion battery cathode material and preparation method thereof |
| CN103325998A (en) * | 2013-05-15 | 2013-09-25 | 同济大学 | Flexible nano SnO2/Si composite lithium ion battery negative-electrode material and preparation method thereof |
| CN106471646A (en) * | 2014-10-31 | 2017-03-01 | 株式会社Lg 化学 | Electrode for secondary battery, its manufacture method, the secondary cell comprising it and cable Type Rechargeable Battery |
| US10826129B2 (en) | 2014-10-31 | 2020-11-03 | Lg Chem, Ltd. | Electrode for secondary battery, method for manufacturing same, secondary battery comprising same, and cable-type secondary battery |
| CN106471646B (en) * | 2014-10-31 | 2019-04-19 | 株式会社Lg 化学 | Electrode for secondary battery, its manufacturing method, secondary cell and cable Type Rechargeable Battery comprising it |
| CN104979565A (en) * | 2015-05-26 | 2015-10-14 | 广东烛光新能源科技有限公司 | Electrochemical energy storage device |
| CN105810445A (en) * | 2015-10-29 | 2016-07-27 | 钰邦电子（无锡）有限公司 | High-energy-storage capacitive unit |
| CN106654286A (en) * | 2016-11-18 | 2017-05-10 | 浙江大学 | Flexible electrode and preparation method thereof |
| CN106654286B (en) * | 2016-11-18 | 2019-06-11 | 浙江大学 | A kind of flexible electrode and preparation method thereof |
| CN106654285A (en) * | 2016-11-18 | 2017-05-10 | 浙江大学 | Flexible current collector for lithium battery and preparation method thereof |
| CN108281662A (en) * | 2017-01-12 | 2018-07-13 | 宁德时代新能源科技股份有限公司 | Current collector, pole piece and battery thereof and application |
| US11539050B2 (en) | 2017-01-12 | 2022-12-27 | Contemporary Amperex Technology Co., Limited | Current collector, electrode plate and battery containing the same, and application thereof |
| CN108281662B (en) * | 2017-01-12 | 2020-05-05 | 宁德时代新能源科技股份有限公司 | Current collector, pole piece and battery thereof and application |
| CN106898729A (en) * | 2017-03-27 | 2017-06-27 | 浙江大学 | Flexible current-collecting body, electrode and battery comprising the flexible current-collecting body |
| CN107154499A (en) * | 2017-04-14 | 2017-09-12 | 深圳鑫智美科技有限公司 | A kind of lithium battery containing new current collector and preparation method thereof |
| CN109873163A (en) * | 2017-12-05 | 2019-06-11 | 宁德时代新能源科技股份有限公司 | Current collector, pole piece and battery thereof and application |
| CN109873163B (en) * | 2017-12-05 | 2021-07-06 | 宁德时代新能源科技股份有限公司 | Current collector, pole piece and battery thereof and application |
| CN108832134A (en) * | 2018-06-28 | 2018-11-16 | 清陶（昆山）新能源材料研究院有限公司 | A kind of flexible current-collecting body and preparation method thereof and the application in lithium ion battery |
| CN110760802A (en) * | 2018-07-27 | 2020-02-07 | 浙江清华柔性电子技术研究院 | Energy storage ceramic film |
| WO2020134650A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Electrode plate, electrochemical apparatus, battery module, battery pack, and device |
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| WO2020134732A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Electrode plate and electrochemical device |
| US11769883B2 (en) | 2018-12-29 | 2023-09-26 | Contemporary Amperex Technology Co., Limited | Electrode plate and electrochemical device |
| CN110112008A (en) * | 2019-04-23 | 2019-08-09 | 太仓萃励新能源科技有限公司 | A kind of RuO2The synthetic method of-PPy-RGO ternary electrochemical capacitance material |
| CN111463436A (en) * | 2020-04-20 | 2020-07-28 | 华鼎国联四川动力电池有限公司 | Lithium ion battery current collector and preparation method thereof |
| CN111463436B (en) * | 2020-04-20 | 2021-11-02 | 华鼎国联四川动力电池有限公司 | Lithium ion battery current collector and preparation method thereof |
| WO2022068207A1 (en) | 2020-09-30 | 2022-04-07 | 江苏卓高新材料科技有限公司 | Composite current collector, preparation method, and lithium ion battery |
| CN112151809A (en) * | 2020-10-30 | 2020-12-29 | 蜂巢能源科技有限公司 | Flexible current collector, preparation method thereof and lithium ion battery |
| CN112151809B (en) * | 2020-10-30 | 2022-02-22 | 蜂巢能源科技有限公司 | Flexible current collector, preparation method thereof and lithium ion battery |
| CN114744205A (en) * | 2022-03-29 | 2022-07-12 | 电子科技大学 | Composite membrane material for current collector, preparation method and lithium ion battery |
| CN114744205B (en) * | 2022-03-29 | 2023-05-16 | 电子科技大学 | Composite membrane material for current collector, preparation method and lithium ion battery |
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