CN109962210A - Electrode preparation method, electrode and battery - Google Patents

Electrode preparation method, electrode and battery Download PDF

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Publication number
CN109962210A
CN109962210A CN201711428771.0A CN201711428771A CN109962210A CN 109962210 A CN109962210 A CN 109962210A CN 201711428771 A CN201711428771 A CN 201711428771A CN 109962210 A CN109962210 A CN 109962210A
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CN
China
Prior art keywords
electrode
preparation
battery
substrate
carbon
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Pending
Application number
CN201711428771.0A
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Chinese (zh)
Inventor
李从举
张秀玲
李念武
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Beijing Institute of Nanoenergy and Nanosystems
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Beijing Institute of Nanoenergy and Nanosystems
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Application filed by Beijing Institute of Nanoenergy and Nanosystems filed Critical Beijing Institute of Nanoenergy and Nanosystems
Priority to CN201711428771.0A priority Critical patent/CN109962210A/en
Publication of CN109962210A publication Critical patent/CN109962210A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • H01M4/0402—Methods of deposition of the material
    • H01M4/0414—Methods of deposition of the material by screen printing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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

Present disclose provides a kind of electrode preparation method, electrode and batteries.The electrode preparation method includes: offer electrode material；The electrode material is transferred on printing plate；And the electrode material is printed in substrate using screen printing technique, prepare the electrode.Disclosure electrode preparation method, electrode and battery, simple process, printed patterns and diversification of forms, can be mass-produced, and can be widely applied to the clean energy resourcies such as lithium ion battery, sodium-ion battery, lithium metal secondary battery, supercapacitor field.

Description

Electrode preparation method, electrode and battery
Technical field
The disclosure belongs to energy field, is specifically related to a kind of electrode preparation method, electrode and battery.
Background technique
With the continuous development of society and economy people are in portable electronic device, intelligent wearable device, flexible ventilating Demand of the equal fields to electronic device is increasing, and the requirement to service life and performance is also higher and higher.It is fired with conventional fossil Material is compared, and metal-air battery has high-energy density, is closest to a kind of battery system of fossil energy energy density, and And there are the advantages such as cleaning, environmental-friendly, at low cost, so widely being studied and being paid close attention in recent years.Traditional electrode material Material coating method is difficult to accomplish uniform surface, causes anode catalytic agent material to be unevenly distributed, influences the catalytic effect of catalyst, To influence the cycle life of battery.And traditional electrode preparation method is difficult to realize large-scale industrialized production.So such as What obtains uniform surface, realizes the large-scale production of electrode, is current metal-air battery and what supercapacitor was faced chooses War.
Summary of the invention
(1) technical problems to be solved
In order to solve the above-mentioned technical problem, the disclosure provides a kind of electrode preparation method, electrode and battery, technique letter Single, printed patterns and diversification of forms, can be mass-produced, can be widely applied to lithium ion battery, sodium-ion battery, lithium metal The clean energy resourcies fields such as secondary cell (including lithium-sulfur cell, metal-air battery), supercapacitor.
(2) technical solution
According to one aspect of the disclosure, a kind of electrode preparation method is provided, comprising: provide electrode material；It will be described Electrode material be transferred on printing plate；And the electrode material is printed in substrate using screen printing technique, prepare institute State electrode.
In some embodiments, the electrode is lithium ion battery electrode, and the step of offer electrode material includes: Electrode active material, conductive agent and binder are uniformly mixed；And by the mixed electrode active material, conductive agent and Binder is sized mixing with solvent, obtains the electrode material.
In some embodiments, the electrode active material is LiFePO4, lithium titanate or graphite, and the conductive agent is section Qin black (KB) or carbon black (SP), the binder are Kynoar (PVDF) or polytetrafluoroethylene (PTFE) (PTFE)；The solvent is Water, ethyl alcohol, N-Methyl pyrrolidone (NMP) or n,N-Dimethylformamide (DMF).
In some embodiments, the mass ratio of electrode active material, conductive agent and binder three is 8: 1: 1.
In some embodiments, the electrode is metal-air battery electrode, and the step of offer electrode material wraps It includes: forming electrode material using carbon black (super P) electrode catalyst or carbon nanotube electrode catalyst.
In some embodiments, carbon black (super P) electrode catalyst is by carbon black and N-Methyl pyrrolidone (NMP) It constitutes；The electrode catalyst of the carbon nanotube is aqueous carbon nanotube.
In some embodiments, the electrode preparation method, further includes: the electrode of preparation is placed in drying box It is dried；And the electrode after drying process is cut.
In some embodiments, described that the electrode of preparation is placed on withering step packet in drying box It includes: coated electrode being placed on progress first time drying process in air dry oven, and after electrode surface solvent is evaporated It is transferred in vacuum oven and carries out second of drying process.
The disclosure additionally provides a kind of electrode, comprising: substrate and the electrode material in substrate；Wherein, the electrode It is formed using the preparation method.
In some embodiments, the substrate is carbon paper, carbon felt, carbon cloth, aluminium foil, copper foil or nano fiber diaphragm.
The disclosure additionally provides a kind of battery comprising the electrode further includes collector, electrolyte and diaphragm.
In some embodiments, the battery is lithium ion battery, sodium-ion battery or lithium metal secondary battery.
(3) beneficial effect
It can be seen from the above technical proposal that disclosure electrode preparation method, electrode and battery at least have and following have One of beneficial effect:
(1) disclosure prepares battery electrode using screen printing technique, and simple process can be mass-produced, and has greatly Industrialization prospect.
(2) disclosure electrode and preparation method thereof, base material selection is extensively, it can be achieved that substrate is diversified.
(3) screen printing electrode can be used for lithium ion battery, sodium-ion battery, metal-air battery, supercapacitor etc. Aspect, wide application.
(4) disclosure preparation method can not use binder, and the electrode not comprising binder is prepared, and increase electrode Utilization rate.
(5) disclosure can be prepared with flexible, ventilative electrode, so as to the preparation for flexible battery, Also there is good application in terms of sensor.
(6) disclosure preparation method technical maturity, at low cost, practical.
Detailed description of the invention
Fig. 1 is according to disclosure electrode preparation method flow chart.
Fig. 2 is the process schematic diagram based on flexible ventilating battery electrode；
Fig. 3 is the planar structure schematic diagram of screen printing form.
Fig. 4 is the LiFePO4 (LiFePO prepared in the disclosure4) lithium ion battery charging and discharging curve and cyclicity It can figure.
Fig. 5 is the first charge-discharge curve of the carbon black (super P) for preparing as lithium-air battery catalyst in the disclosure.
Fig. 6 is the first charge-discharge curve of the carbon nanotube (CNT) for preparing as lithium-air battery catalyst in the disclosure.
Fig. 7 is according to embodiment of the present disclosure battery structure schematic diagram.
[symbol description]
1- brush；2- printing plate；3- substrate；4- printing plate hole；5- plus plate current-collecting body；6- anode；7- electrolyte；8- diaphragm；9- Cathode；10- negative current collector.
Specific embodiment
For the purposes, technical schemes and advantages of the disclosure are more clearly understood, below in conjunction with specific embodiment, and reference The disclosure is further described in attached drawing.
It should be noted that similar or identical part all uses identical figure number in attached drawing or specification description.It is attached The implementation for not being painted or describing in figure is form known to a person of ordinary skill in the art in technical field.In addition, though this Text can provide the demonstration of the parameter comprising particular value, it is to be understood that parameter is equal to corresponding value without definite, but can connect It is similar to be worth accordingly in the error margin or design constraint received.The direction term mentioned in embodiment, for example, "upper", "lower", "front", "rear", "left", "right" etc. are only the directions with reference to attached drawing.Therefore, the direction term used is for illustrating not to use To limit the protection scope of the disclosure.
In order to overcome the above problem, the disclosure provides a kind of electrode preparation method, and application range is quite extensive, can be used for Lithium ion battery, sodium-ion battery, lithium metal secondary battery (including lithium-sulfur cell, metal-air battery), supercapacitor etc. Clean energy resource field.
Fig. 1 is disclosure electrode preparation method flow chart.As shown in Figure 1, the electrode preparation method, comprising:
S1 provides electrode material；
The electrode material is transferred on printing plate by S2；And
Electrode material is printed in substrate using screen printing technique, prepares the electrode by S3.
Further, the electrode preparation method further include:
The electrode of preparation is placed in drying box and is dried by S4；And
S5 cuts the electrode after drying process.
Wherein, the electrode is lithium ion battery electrode, and the step of offer electrode material includes:
Electrode active material, conductive agent and binder are uniformly mixed；And
The mixed electrode active material, conductive agent and binder are sized mixing with solvent, obtain the electrode Material.
Specifically, the electrode active material can be LiFePO4, lithium titanate or graphite；The conductive agent is Ketjen black (KB) or carbon black (SP), the binder are Kynoar (PVDF) or polytetrafluoroethylene (PTFE) (PTFE)；The solvent is water, second Alcohol, N-Methyl pyrrolidone (NMP) or n,N-Dimethylformamide (DMF).Electrode active material, conductive agent and binder three Mass ratio can be 8: 1: 1.
The electrode can also be metal-air battery electrode, and the step of offer electrode material includes: to utilize carbon Black (super P) electrode catalyst or carbon nanotube electrode catalyst form electrode material.Carbon black (super P) electrode is urged Agent is made of carbon black and N-Methyl pyrrolidone (NMP)；The electrode catalyst of the carbon nanotube is aqueous carbon nanotube.
It is described that the electrode of preparation is placed on withering step in drying box can include: by coated electricity Pole is placed on progress first time drying process in air dry oven, and is transferred to vacuum oven after electrode surface solvent is evaporated Second of drying process of middle progress.Thus battery can be influenced to avoid bubble is generated on the electrode by being dried twice Performance.
In one embodiment, lithium ion cell electrode, specific steps are prepared using the electrode preparation method It is as follows:
(1) by 160mg electrode active material LiFePO4,20mg conductive agent SP and 20mg binder PVDF mortar is uniform Mixing, the mass ratio of three are 8: 1: 1, are sized mixing with 8ml solvent (6-10ml), obtain electrode material (also referred to as slurry), institute Stating solvent is water, ethyl alcohol, N-Methyl pyrrolidone (NMP) or n,N-Dimethylformamide (DMF) etc..
In addition, the electrode active material can also be lithium titanate or graphite；The conductive agent can also be KB；It is described viscous Tying agent can also be PTFE.
It should be noted that can not also include conductive agent and binder in the slurry, directly with solvent to electrode active Property material is sized mixing.
(2) above-mentioned slurry is transferred on the printing plate of certain pattern, adjusts the pressure and range size of printing, then will Slurry is printed in substrate, obtains electrode material, and the substrate can be the small conductive carbon paper of environmental pollution, copper foil, aluminium foil, It is also possible to the carbon felt and carbon cloth (what substrate was selected in the present embodiment is carbon felt) of conductive flexible, can also be Nanowire flexible Film is tieed up, realizes diaphragm and electrode material integration.The thickness of substrate spreading mass coating can according to the reciprocal time of printing and The consistency of slurry is adjusted, and adjustable range is wide, practical.
(3) can be with repetitive coatings electrode material, generally 2-6 times on printing plate, it can be according to slurry consistency and requirement of experiment Selection, the present embodiment is using being repeated 4 times.
Wherein, the slurry transfer and printing process turn uniformly mixed electrode material referring to figure 2. to shown in Fig. 3 It moves on on printing plate 2, is then coated back and forth on printing plate 4 times by the brush 1 of printing, electrode material is printed on flexible ventilating In substrate 3, the electrode of patterned flexible is obtained.As shown in figure 3, electrode material when printing plate hole 4 by being imprinted in substrate.
(4) coated electrode is placed in 80 DEG C of air dry oven, (30min or so) turns after surface solvent is evaporated It moves on in 120 DEG C of vacuum ovens, dry 12h.
(5) electrode of printing is cut, thus completes the preparation of electrode.
In one embodiment, metal-air battery electrode is prepared using the electrode preparation method, it is specific to walk It is rapid as follows:
(1) slurry is formed using carbon black (super P) electrode catalyst or carbon nanotube electrode catalyst；Wherein, described Carbon black (super P) electrode catalyst is 100mg carbon black and 6ml N-Methyl pyrrolidone (NMP)；The electrode of carbon nanotube is urged Agent is the aqueous carbon nanotube that mass fraction is 3.36%, does not add binder.The consistency of the slurry is by printing silk used The size of net (150-350 mesh) determines that adjustable range is wide, in the present embodiment in using 200 mesh printing plates.
(2) above-mentioned slurry is transferred on the printing plate of certain pattern, adjusts the pressure and range size of printing, then will Slurry is printed in substrate, is obtained the electrode material without binder, is increased the utilization rate of electrode, the substrate can be ring The carbon paper of small conduction, copper foil are polluted in border, and aluminium foil is also possible to the carbon felt and carbon cloth of conductive flexible, is also possible to nanometer flexible Tunica fibrosa realizes diaphragm and electrode material integration.The thickness of coating can be according to the reciprocal time of printing and the consistency tune of slurry Section, adjustable range is wide, practical.
(3) can be with repetitive coatings electrode material, generally 2-6 times on printing plate, it can be according to slurry consistency and requirement of experiment Selection, this experiment is using being repeated 4 times.
(4) coated electrode is placed in 80 DEG C of air dry oven, (30min or so) turns after surface solvent is evaporated It moves on in 120 DEG C of vacuum ovens, dry 12h.
(5) electrode of printing is cut, completes the preparation of the electrode.
In the present embodiment, due to using carbon black (super P) electrode catalyst, without additional addition conductive agent, reduce Cost.
It should be noted that the printed substrates used in the disclosure can be not limited to conductive gas permeable material, can also be Air-locked aluminium foil, copper foil etc. are also possible to nonconducting nano fiber diaphragm, obtain septum electrode integrated material.This public affairs What the extraction of root obtained, which print electrode, can be not only used for metal-air battery, can be also used for traditional lithium ion battery, super The energy fields such as capacitor.
Illustrate the electrode of lithium cell and metal-air battery electricity using method of disclosure preparation below in conjunction with attached drawing 3-5 The performance of pole.It is that the performance that anode material for lithium-ion batteries is used in conductive carbon felt is printed on LiFePO 4 material herein, with And super P is printed in conductive carbon felt for being illustrated for the research of lithium-air battery.
Fig. 4 is LiFePO4 (LiFePO4), carbon black (Super P) and binder (PVDF) are schemed by weight 80: 10: 10 Charging and discharging curve of a under 1C current density condition in 4；The cycle performance of b LiFePO4 in Fig. 4.
A in Fig. 4 the result shows that, the charge/discharge capacity of first circle is lower than rear several circles, it may be possible to because material does not obtain sufficiently Activation, as the cycle progresses, curve co-insides degree is higher and higher, illustrates that material tends towards stability, and under the conditions of 1C, can be up to 68mAh/g.B result illustrates in Fig. 4, and other than third circle, the coulombic efficiency of material is almost close to 100%, after abundant activation, And charge/discharge capacity has the tendency that gradually increasing, and does not decay.
Fig. 5 is carbon black (super P) in 100mA/g current density, and capacity is bent by the first charge-discharge under 2000mAh/g Line.As seen from Figure 5, curve is very smooth, and capacity can achieve preset capacity.
Fig. 6 is the aqueous carbon nanotube that mass concentration is 3.36%, the first circle charge and discharge obtained under 40uA current condition Curve.It can be seen that simple carbon nanotube has good catalytic performance, first circle capacity can achieve 5320mAh/g.
In addition, the disclosure additionally provides a kind of electrode, comprising: substrate and the electrode material layer in substrate；Wherein institute Battery electrode is stated to be prepared using above-mentioned preparation method.The electrode can be electrode of lithium cell, sodium-ion battery electrode, gold Belong to lithium secondary battery electrode (including lithium-sulfur cell electrode, metal-air battery electrode), electrode of super capacitor etc..
The disclosure additionally provides a kind of battery or capacitor comprising the electrode.The battery can be lithium battery, sodium Ion battery, lithium metal secondary battery (including lithium-sulfur cell, metal-air battery) etc..It is said by taking lithium ion battery as an example Bright, basic structure is as shown in fig. 7, specifically include that collector, active material electrode, electrolyte 7 and diaphragm 8.Wherein, described Collector includes plus plate current-collecting body 5 and negative current collector 10, and the active material electrode includes anode 6 and cathode 9.Collector is used In transmission electronics；Active material electrode contributes capacity；Electrolyte is used for transmission ion；Diaphragm is prevented for separating positive and negative electrode It is only short-circuit.
Disclosure electrode preparation method, electrode and battery can be free of binder, thus can increase the utilization rate of electrode.
In conclusion the disclosure is based on silk-screen printing and battery power, screen printing electrode preparation method, silk screen are proposed Printing technology is adaptable by force, printing area is big, small to the extent of the destruction of substrate, quality controllable, printing slurry particle size The advantages that range is big can print on unlike material, such as paper, fabric, timber, and be not limited to shapes and sizes, can be in difference It is printed on curved surface, and printed patterns and diversification of forms；Uniform surface can be obtained using the method, quality is uniform Electrode, and be widely used, it can be used for the new energy such as lithium ion battery, sodium-ion battery, metal-air battery, supercapacitor Source domain.It prints electrode in super large substrate in particular, can be realized based on screen printing technique, thus can preferably push electronic vapour The development of clean energy resource is realized in vehicle, the use of Electric Transit；And electrode material is printed on flexible or flexible ventilating substrate On, it can be combined with wearing, sensing, movement etc., realize battery and sensing integrated, have a good application prospect.
So far, attached drawing is had been combined the multiple embodiments of the disclosure are described in detail.According to above description, this field Technical staff should have clear understanding to disclosure electrode preparation method, electrode and battery.
It should be noted that in attached drawing or specification text, the implementation for not being painted or describing is affiliated technology Form known to a person of ordinary skill in the art, is not described in detail in field.In addition, the above-mentioned definition to each element and method is simultaneously It is not limited only to various specific structures, shape or the mode mentioned in embodiment, those of ordinary skill in the art can carry out letter to it It singly changes or replaces, such as:
Described technological parameter, such as temperature, time etc., however it is not limited to the design parameter provided in embodiment, this field skill Art personnel can not influence the realization of the disclosure with appropriate adjustment.
Particular embodiments described above has carried out further in detail the purpose of the disclosure, technical scheme and beneficial effects Describe in detail it is bright, it is all it should be understood that be not limited to the disclosure the foregoing is merely the specific embodiment of the disclosure Within the spirit and principle of the disclosure, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the disclosure Within the scope of shield.

Claims (12)

1. a kind of electrode preparation method, comprising:
Electrode material is provided；
The electrode material is transferred on printing plate；And
The electrode material is printed in substrate using screen printing technique, prepares the electrode.
2. electrode preparation method according to claim 1, wherein the electrode is lithium ion battery electrode, described to mention The step of power pole material includes:
Electrode active material, conductive agent and binder are uniformly mixed；And
The mixed electrode active material, conductive agent and binder are sized mixing with solvent, obtain the electrode material.
3. electrode preparation method according to claim 2, wherein the electrode active material is LiFePO4, lithium titanate Or graphite, the conductive agent are Ketjen black (KB) or carbon black (SP), the binder is Kynoar (PVDF) or polytetrafluoro Ethylene (PTFE)；The solvent is water, ethyl alcohol, N-Methyl pyrrolidone (NMP) or n,N-Dimethylformamide (DMF).
4. electrode preparation method according to claim 3, wherein electrode active material, conductive agent and binder three Mass ratio is 8: 1: 1.
5. electrode preparation method described in -4 any one according to claim 1, wherein the electrode is metal-air battery With electrode, the step of offer electrode material includes: to be urged using carbon black (super P) electrode catalyst or carbon nanotube electrode Agent forms electrode material.
6. electrode preparation method according to claim 5, wherein carbon black (super P) electrode catalyst is by carbon black It is constituted with N-Methyl pyrrolidone (NMP)；The electrode catalyst of the carbon nanotube is aqueous carbon nanotube.
7. electrode preparation method described in -6 any one according to claim 1, further includes:
The electrode of preparation is placed in drying box and is dried；And
The electrode after drying process is cut.
8. electrode preparation method according to claim 7, wherein it is described by the electrode of preparation be placed in drying box into Row be dried the step of include:
Coated electrode is placed on progress first time drying process in air dry oven, and
It is transferred to after electrode surface solvent is evaporated in vacuum oven and carries out second of drying process.
9. a kind of electrode, comprising: substrate and the electrode material in substrate；Wherein, the electrode use as claim 1 to Preparation method described in any one of 8 is formed.
10. electrode according to claim 9, wherein the substrate is carbon paper, carbon felt, carbon cloth, aluminium foil, copper foil or nanometer Fibre diaphragm.
11. a kind of battery comprising the electrode as described in claim 9 or 10 further includes collector, electrolyte and diaphragm.
12. battery according to claim 11, wherein the battery is lithium ion battery, sodium-ion battery or lithium metal Secondary cell.
CN201711428771.0A 2017-12-25 2017-12-25 Electrode preparation method, electrode and battery Pending CN109962210A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114324511A (en) * 2021-11-22 2022-04-12 北京大学 Electrochemical sensor electrode and preparation method and application thereof

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CN105098199A (en) * 2015-06-12 2015-11-25 中国科学院宁波材料技术与工程研究所 Gas diffusion layer, preparation method and metal-air battery
CN105518907A (en) * 2013-06-24 2016-04-20 格勒诺布尔国立理工学院 Spray printing or spray deposition method for the production of a supported flexible electrode, and manufacture of a lithium-ion battery
CN106159197A (en) * 2016-09-30 2016-11-23 上海空间电源研究所 A kind of integrated flexible membrane electrode and preparation method thereof

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CN105518907A (en) * 2013-06-24 2016-04-20 格勒诺布尔国立理工学院 Spray printing or spray deposition method for the production of a supported flexible electrode, and manufacture of a lithium-ion battery
CN105098144A (en) * 2014-05-09 2015-11-25 纳米新能源（唐山）有限责任公司 Method for preparing lithium ion membrane electrode by silk-screen printing, electrode and battery comprising electrode
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114324511A (en) * 2021-11-22 2022-04-12 北京大学 Electrochemical sensor electrode and preparation method and application thereof
CN114324511B (en) * 2021-11-22 2023-12-12 北京大学 Electrochemical sensor electrode and preparation method and application thereof

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