CN103531752A - Novel composite electrode and preparation method thereof - Google Patents

Novel composite electrode and preparation method thereof Download PDF

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Publication number
CN103531752A
CN103531752A CN201210231033.8A CN201210231033A CN103531752A CN 103531752 A CN103531752 A CN 103531752A CN 201210231033 A CN201210231033 A CN 201210231033A CN 103531752 A CN103531752 A CN 103531752A
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CN
China
Prior art keywords
electrode
collecting body
current collecting
silver
electrode material
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.)
Pending
Application number
CN201210231033.8A
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Chinese (zh)
Inventor
徐祯祥
贺必新
黄玉平
王春明
朱刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Academy of Launch Vehicle Technology CALT
Beijing Research Institute of Precise Mechatronic Controls
Original Assignee
China Academy of Launch Vehicle Technology CALT
Beijing Research Institute of Precise Mechatronic Controls
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Publication date
Application filed by China Academy of Launch Vehicle Technology CALT, Beijing Research Institute of Precise Mechatronic Controls filed Critical China Academy of Launch Vehicle Technology CALT
Priority to CN201210231033.8A priority Critical patent/CN103531752A/en
Publication of CN103531752A publication Critical patent/CN103531752A/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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/06—Electrodes for primary cells
    • 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
    • H01M4/043—Processes of manufacture in general involving compressing or compaction
    • H01M4/0435—Rolling or calendering
    • 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
    • H01M4/06—Electrodes for primary cells
    • H01M4/08—Processes of manufacture
    • H01M4/12—Processes of manufacture of consumable metal or alloy electrodes
    • 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
    • H01M4/24—Electrodes for alkaline accumulators
    • 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
    • H01M4/24—Electrodes for alkaline accumulators
    • H01M4/26—Processes of manufacture
    • H01M4/30—Pressing
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • H01M4/80—Porous plates, e.g. sintered carriers
    • 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

The invention relates to the technical field of power structure parts and manufacture and in particular discloses a novel composite electrode and a preparation method of the novel composite electrode. The composite electrode comprises a composite electrode material and an electrode current collector, wherein the composite electrode material is arranged on the surface of the electrode current collector which is subjected to electrochemical treatment and has a honeycomb structure through pressing or adhering. According to the composite electrode and the preparation method of the composite electrode, the advantages of high specific power of a supercapacitor electrode and high energy of a zinc-silver battery electrode are combined, the voltage drop of the zinc-silver battery due to current pulse discharge at the temperature of 12-20 DEG C is avoided, the mass of anode and cathode materials of the zinc-silver battery is reduced by 30 percent, the volume of the anode and cathode materials of the zinc-silver battery is reduced by 20 percent, and comprehensive performance of the electrode is improved.

Description

A kind of Combined electrode and preparation method thereof
Technical field
The invention belongs to power supply architecture parts and manufacturing technology field thereof, be specifically related to a kind of Combined electrode and preparation method thereof.
Background technology
Electrode is the primary factor that determines battery performance, mainly by cell active materials and capacitance material and collector (also claiming skeleton or conductive mesh), wherein electrode current collecting body plays conduction electron and evenly distributing electric current, collection liquid surface is processed, compatibility with active material, conductivity has critical impact to the proterties of electrode, because the material difference of electrode current collecting body can have influence on the afflux of battery, the electrode skeleton of same material also can be because of thickness, aperture, intensity and influence of crust deformation are to electrode active material adhering to and the thickness of whole electrode and intensity etc. in the above.
The space power source of development, requires, on the basis of the permanent power discharge of routine, to have the ability of high current pulsed discharge, reaches pulsed operation electric current and be tens times of battery capacity.
If adopt current zinc-silver oxide cell electrode design technology, during due to high current pulsed discharge, electrode polarization sharply strengthens, internal loss increases, energy storage efficiency reduces, and voltage fluctuation etc. cause the scarce capacity that drives these pulsating loads, what need to increase positive and negative electrode quality more than 30% just can have an ability of enough high current pulsed discharges, guarantees voltage accuracy demand.
Summary of the invention
The object of the present invention is to provide a kind of Combined electrode and preparation method thereof, while solving existing zinc-silver oxide cell due to high current pulsed discharge, electrode polarization sharply strengthens, energy storage efficiency reduces, the problems such as voltage fluctuation is large, improve the integrated performance index of electrode, meet the space power source demand of development.
Technical scheme of the present invention is as follows: a kind of Combined electrode, and this electrode comprises combination electrode material and electrode current collecting body, wherein, combination electrode material is by suppressing or sticky being attached to through electrode current collecting electrochemical treatments, that have alveolate texture surface.
Described electrode current collecting body is process netting electrochemical treatments, that have alveolate texture, or draws in the net, or rushes web frame.
The material of described electrode current collecting body is that silver or copper are silver-plated.
Described combination electrode material is comprised of alkaline electrode material for super capacitor and zinc-silver oxide cell electrode material.
A preparation method, this preparation method is specially:
Step 1, to electrode current collecting body carry out electrochemical deoiling, cleaning, dry after, under normal temperature, in silver cyanide, potassium cyanide mixing electrolytic solution, carry out direct current chemical etching;
Step 2, the density of aliving are 20～70mA/cm 2direct current, etch period 30～100s, forms the alveolate texture with composite material granular size, surface uniform;
Step 3, by combination electrode material compacting or stick on collector, combination electrode material enters in the hole of collector, makes the silver foil mutual " engagement " of combination electrode material and electrode current collecting body, forms low internal resistance, high performance combination electrode.
Remarkable result of the present invention is: a kind of Combined electrode of the present invention and preparation method thereof combines electrode of super capacitor specific power height and the large advantage of zinc-silver oxide cell electrode energy, while having overcome zinc-silver oxide cell because of 12～20C current pulse discharge, cause pressure drop, reduce 30% of zinc-silver oxide cell positive and negative electrode quality of materials, 20% of volume, has improved the combination property of electrode.
Accompanying drawing explanation
Fig. 1 is a kind of Combined electrode structural representation;
In figure: 1, combination electrode material; 2, electrode current collecting body.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
As shown in Figure 1, a kind of Combined electrode comprises combination electrode material 1 and electrode current collecting body 2, combination electrode material 1 is comprised of alkaline electrode material for super capacitor and zinc-silver oxide cell battery material, and by suppressing or sticky electrode current collecting body 2 surfaces that are attached to, wherein, electrode current collecting body 2 is through netting electrochemical treatments, that have alveolate texture, draws in the net or rush web frame, and its material is that silver or copper are silver-plated.
Embodiment 1
A preparation method, concrete steps are:
Step 1, to electrode current collecting body carry out electrochemical deoiling, cleaning, dry after, under normal temperature, in silver cyanide, potassium cyanide mixing electrolytic solution, carry out direct current chemical etching;
Step 2, the density of aliving are 20mA/cm 2direct current, etch period 100s, forms the alveolate texture with composite material granular size, surface uniform;
Step 3, by combination electrode material compacting or stick on collector, combination electrode material enters in the hole of collector, makes the silver foil mutual " engagement " of combination electrode material and electrode current collecting body, forms low internal resistance, high performance combination electrode.
Embodiment 2
A preparation method, concrete steps are:
Step 1, to electrode current collecting body carry out electrochemical deoiling, cleaning, dry after, under normal temperature, in silver cyanide, potassium cyanide mixing electrolytic solution, carry out direct current chemical etching;
Step 2, the density of aliving are 50mA/cm 2direct current, etch period 50s, forms the alveolate texture with composite material granular size, surface uniform;
Step 3, by combination electrode material compacting or stick on collector, combination electrode material enters in the hole of collector, makes the silver foil mutual " engagement " of combination electrode material and electrode current collecting body, forms low internal resistance, high performance combination electrode.
Embodiment 3
A preparation method, concrete steps are:
Step 1, to electrode current collecting body carry out electrochemical deoiling, cleaning, dry after, under normal temperature, in silver cyanide, potassium cyanide mixing electrolytic solution, carry out direct current chemical etching;
Step 2, the density of aliving are 70mA/cm 2direct current, etch period 30s, forms the alveolate texture with composite material granular size, surface uniform;
Step 3, by combination electrode material compacting or stick on collector, combination electrode material enters in the hole of collector, makes the silver foil mutual " engagement " of combination electrode material and electrode current collecting body, forms low internal resistance, high performance combination electrode.

Claims (5)

1. a Combined electrode, it is characterized in that: this electrode comprises combination electrode material (1) and electrode current collecting body (2), wherein, combination electrode material (1) is by suppressing or sticky being attached to through electrode current collecting body electrochemical treatments, that have alveolate texture (2) surface.
2. a kind of Combined electrode according to claim 1, is characterized in that: described electrode current collecting body (2) is process netting electrochemical treatments, that have alveolate texture, or draws in the net, or rushes web frame.
3. a kind of Combined electrode according to claim 1 and 2, is characterized in that: the material of described electrode current collecting body (2) is that silver or copper are silver-plated.
4. a kind of Combined electrode according to claim 1, is characterized in that: described combination electrode material (1) is comprised of alkaline electrode material for super capacitor and zinc-silver oxide cell electrode material.
5. a Combined electrode preparation method claimed in claim 1, is characterized in that: this preparation method is specially:
Step 1, to electrode current collecting body carry out electrochemical deoiling, cleaning, dry after, under normal temperature, in silver cyanide, potassium cyanide mixing electrolytic solution, carry out direct current chemical etching;
Step 2, the density of aliving are 20～70mA/cm 2direct current, etch period 30～100s, forms the alveolate texture with composite material granular size, surface uniform;
Step 3, by combination electrode material compacting or stick on collector, combination electrode material enters in the hole of collector, makes the silver foil mutual " engagement " of combination electrode material and electrode current collecting body, forms low internal resistance, high performance combination electrode.
CN201210231033.8A 2012-07-04 2012-07-04 Novel composite electrode and preparation method thereof Pending CN103531752A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
CN103531752A true CN103531752A (en) 2014-01-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105552314A (en) * 2015-12-08 2016-05-04 哈尔滨工业大学 Preparation method of high-reliability bipolar plate for bipolar lead storage battery
CN107960137A (en) * 2015-06-04 2018-04-24 由普莱克斯有限公司 Solid state battery and its manufacturing process
CN109065849A (en) * 2018-06-26 2018-12-21 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） A kind of capacitance material and preparation method thereof for zinc-silver oxide cell cathode

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000348731A (en) * 1999-06-07 2000-12-15 Yuasa Corp Nickel electrode for alkaline storage battery
CN1838352A (en) * 2005-03-22 2006-09-27 中国电子科技集团公司第十八研究所 Electrochemical capacitor and preparation method thereof
CN101087020A (en) * 2006-06-09 2007-12-12 中国电子科技集团公司第十八研究所 A method for making zinc electrode using scraping plasm
CN101320821A (en) * 2007-06-04 2008-12-10 中南大学 Energy storage device with both capacitor and lithium ion battery characteristics and manufacturing method thereof
CN101409360A (en) * 2008-11-25 2009-04-15 梅岭化工厂 Silver-zinc battery
CN102024994A (en) * 2010-11-30 2011-04-20 辽宁九夷三普电池有限公司 Nickel-zinc secondary battery and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000348731A (en) * 1999-06-07 2000-12-15 Yuasa Corp Nickel electrode for alkaline storage battery
CN1838352A (en) * 2005-03-22 2006-09-27 中国电子科技集团公司第十八研究所 Electrochemical capacitor and preparation method thereof
CN101087020A (en) * 2006-06-09 2007-12-12 中国电子科技集团公司第十八研究所 A method for making zinc electrode using scraping plasm
CN101320821A (en) * 2007-06-04 2008-12-10 中南大学 Energy storage device with both capacitor and lithium ion battery characteristics and manufacturing method thereof
CN101409360A (en) * 2008-11-25 2009-04-15 梅岭化工厂 Silver-zinc battery
CN102024994A (en) * 2010-11-30 2011-04-20 辽宁九夷三普电池有限公司 Nickel-zinc secondary battery and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王力臻 等.,: ""集流体表面直流刻蚀对超级电容器性能的影响"", 《电源技术》, vol. 132, no. 8, 20 August 2008 (2008-08-20) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107960137A (en) * 2015-06-04 2018-04-24 由普莱克斯有限公司 Solid state battery and its manufacturing process
CN105552314A (en) * 2015-12-08 2016-05-04 哈尔滨工业大学 Preparation method of high-reliability bipolar plate for bipolar lead storage battery
CN105552314B (en) * 2015-12-08 2017-09-26 哈尔滨工业大学 A kind of preparation method of high reliability bipolar plates for bipolarity lead accumulator
CN109065849A (en) * 2018-06-26 2018-12-21 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） A kind of capacitance material and preparation method thereof for zinc-silver oxide cell cathode
CN109065849B (en) * 2018-06-26 2021-07-16 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） Zinc-silver battery cathode and zinc-silver battery

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Application publication date: 20140122