CN102903917B - Aqueous electrolyte rechargeable zinc ion battery - Google Patents

Aqueous electrolyte rechargeable zinc ion battery Download PDF

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Publication number
CN102903917B
CN102903917B CN201210380142.6A CN201210380142A CN102903917B CN 102903917 B CN102903917 B CN 102903917B CN 201210380142 A CN201210380142 A CN 201210380142A CN 102903917 B CN102903917 B CN 102903917B
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zinc
ion battery
zinc ion
battery
electrolyte
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CN201210380142.6A
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CN102903917A (en
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贾志军
王保国
宋士强
范永生
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Tsinghua University
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Tsinghua University
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The invention discloses an aqueous electrolyte rechargeable zinc ion battery, belonging to the technical field of battery preparation. The battery disclosed herein is characterized in that: the cathode active material mainly comprises zinc ions (Zn<2+>)- intercalated and -removed copper (nickel) ferricyanide, the anode active material mainly comprises zinc, and the electrolyte which is liquid or gel comprises soluble salts of zinc as the solute and water as the solvent. According to the invention, the zinc ions can be intercalated in the copper (nickel) ferricyanide cathode material lattices or be removed from the copper (nickel) ferricyanide cathode material lattices, simultaneously the anode material mainly comprising zinc is subject to oxidation or reduction, thus the battery has the characteristics of high specific capacity and rapid charging, and the battery can be widely applied in the fields of portable mobile terminal, equipment, miniature electric vehicle and automobile starting battery, etc.

Description

A kind of aqueous solution electrolysis liquid Rechargeable zinc ion battery
Technical field
The invention belongs to battery preparation technology field, be specifically related to a kind of aqueous solution electrolysis liquid Rechargeable zinc ion battery.
Background technology
Along with the fast development of global economy, supply and the environmental problem of fossil fuel become increasingly conspicuous, and therefore the comprehensive high-efficiency ground development and utilization of new green power has become guarantee national energy resource security, implements the key link of the national energy strategy of sustainable development.Compare primary cell, secondary cell repeatedly can carry out charge and discharge cycles, can make full use of raw material, so practical more economically.The rechargeable battery be most widely used at present is lithium ion battery.Lithium ion battery utilizes lithium ion as energy-accumulating medium store electrical energy, by the embedding of lithium ion between positive and negative pole material and the discharge and recharge deviating to realize battery.Along with the development of human society and the progress of science and technology, the kind of mobile electronic product and electric vehicle and quantity will constantly increase, also increase the demand of secondary cell, therefore development of new rechargeable battery is very necessary and significant thereupon.
Zinc is a kind of active metal, has cheapness, is easy to get, the feature such as process safety, therefore receives increasing concern using zinc metal as the secondary cell of negative material.It is positive pole with manganese dioxide that Chinese invention patent application CN101540417A makes public for the first time a kind of, take zinc as negative pole, with the Rechargeable zinc ion battery that the solution containing zinc ion is electrolyte, when charging, zinc ion deviates from manganese dioxide, through electrolyte then at cathode deposition, during electric discharge, there is reversible reaction.Owing to utilizing zinc and zinc ion as active material, electrode reaction is two electron reactions, and this battery has higher specific capacity.But because the lattice constant of manganese dioxide is less, the embedding of zinc ion is deviate from more difficult, cause battery embed at the zinc ion of charge/discharge and deviate from process rate comparatively slowly, make Zinc ion battery performance need to be improved further.
Therefore, in order to improve Rechargeable zinc ion battery performance further, find and novelly have good embedding/deviate from performance to zinc ion, cheap, the positive electrode of wide material sources becomes the important technology direction of improving Rechargeable zinc ion battery performance further.
Summary of the invention
The object of this invention is to provide a kind of aqueous solution electrolysis liquid Rechargeable zinc ion battery.
A kind of aqueous solution electrolysis liquid Rechargeable zinc ion battery, this battery is made up of positive pole, negative pole, diaphragm material between the above two and the electrolyte with ionic conductivity; Wherein positive pole comprises the positive electrode active materials on collector and collector, and negative pole comprises the negative active core-shell material on collector and collector; Positive electrode active materials is KMFe (CN) 6the film material that powder, electronic conductor and binding agent are made; Negative active core-shell material is the film material that zinc powder, corrosion inhibiter, electronic conductor and binding agent are made; Electrolyte be with the soluble-salt of zinc be solute, water be solvent the liquid state with ionic conductivity or gel state material, its pH value is in 4 ~ 7.
KMFe (CN) 6in M be Cu or Ni element.
In positive electrode active materials, the addition of electronic conductor, binding agent is respectively less than 10% of positive electrode active materials quality.
In negative active core-shell material, the addition of corrosion inhibiter is less than 1% of negative active core-shell material quality, and the addition of electronic conductor, binding agent is respectively less than 10% of negative active core-shell material quality.
Above-mentioned electrodes conduct agent is graphite, carbon black, acetylene black, carbon nano-fiber or carbon nano-tube.
Above-mentioned corrosion inhibiter is the oxide of indium or hydroxide or copper.
Above-mentioned binding agent is polytetrafluoroethylene, poly-inclined tetrafluoroethene or cellulose.
The soluble-salt of above-mentioned zinc is zinc nitrate, zinc sulfate or zinc chloride.
The Rechargeable zinc ion battery that the present invention proposes, its battery structure can be button, column type or square structure.
Beneficial effect of the present invention is: 1) adopt zinc metal as battery cathode, and its activity is high, cheap, be easy to get, pollution-free; 2) utilize that the insoluble iron cyanide is cheap as positive electrode, preparation technology is simple; 3) to adopt containing the aqueous solution of zinc ion as electrolyte, prepare simple and easy, do not fire, nontoxic; 4) Rechargeable zinc ion battery of the present invention, utilize the reversible embedding of zinc ion in positive electrode lattice or deviate from, negative material simultaneously based on Zn-ef ficiency carries out the energy storage mechnism be oxidized or zinc ion reduces in negative terminal surface, and have employed special electrolyte, this battery has the feature of specific capacity height and quickly-chargeable, and it has the advantages such as manufacturing process is simple, cost is low, have extended cycle life simultaneously.
Accompanying drawing explanation
Fig. 1 is that iron copper cyanider electrode is at 1mol L -1znSO 4the cyclic voltammogram of electrolyte.
Fig. 2 is that Rechargeable zinc ion battery is at 200 mAg -1first time charging and discharging curve under current density.
Fig. 3 is Rechargeable zinc ion battery at 200 mAg -1cycle charge-discharge curve under current density.
Fig. 4 is Rechargeable zinc ion battery at 150 mAg -1charging and discharging curve under current density.
Embodiment
Embodiment 1
Iron copper cyanider KCuFe (CN) 6preparation
The potassium ferricyanide solution of certain density copper sulphate (copper chloride, zinc sulfate, zinc chloride, nickelous sulfate, nickel chloride etc.) solution and same concentrations is dropwise instilled in the deionized water stirred continuously simultaneously, after question response is complete, by be mixed with brown precipitate suspension-turbid liquid through ultrasonic oscillation after 30 minutes, leave standstill 8 hours, then sediment is leached, and after repeatedly cleaning with deionized water, put into baking oven and dry, obtained iron copper cyanider powder.
Iron copper cyanider, electronic conductor graphite powder and binding agent are gathered after inclined tetrafluoroethene mixes with the mass ratio of 18:1:1 and be coated on carbon element collector, be cut into a certain size, obtain iron copper cyanider electrode slice in oven for drying.Single electrode test adopts iron copper cyanider electrode slice to be work electrode, is auxiliary electrode, detects using saturated calomel electrode as reference electrode with metal foil electrodes.Iron copper cyanider electrode is at 1mol L -1znSO 4as shown in Figure 1, sweep speed is 10mV s to cyclic voltammogram in the aqueous solution -1, can find out and have an oxidation peak and a reduction peak to occur, corresponding to zinc ion deviating from and embedding in iron copper cyanider lattice.
Embodiment 2
Zinc powder, electronic conductor graphite powder and binding agent are gathered after inclined tetrafluoroethene mixes with the mass ratio of 18:1:1 and be coated on carbon element collector, be cut into a certain size, obtain zinc electrode in oven for drying.The iron copper cyanider electrode prepared with embodiment 1 is for positive pole, and take zinc electrode as negative pole, electrolyte is 1mol L -1znSO 4the aqueous solution is assembled into the Rechargeable zinc ion battery of flexible package.
Obtained Zinc ion battery is at 200 mAg -1constant current first time charging and discharging curve is shown in Fig. 2 (with positive electrode active materials Mass Calculation), and as shown in the figure, between voltage range 2.0 ~ 2.2V, occurred a charging platform, had a discharge platform clearly at about 0.75V, coulombic efficiency is 81%.Obtained Zinc ion battery is at 200 mAg -1as shown in Figure 3, as seen from the figure, made Zinc ion battery has good cycle characteristics to constant current charge-discharge cyclic curve (with positive electrode active materials Mass Calculation).If through structure optimization, this battery charging and discharging characteristic and cyclical stability also will have obvious lifting.
Embodiment 3
Zinc powder, conductive agent graphite powder, binding agent being gathered after inclined tetrafluoroethene and corrosion inhibiter copper powder mix with the mass ratio of 83:8:8:1 is coated on carbon element collector, in oven for drying, is cut into a certain size, obtained zinc electrode.The iron copper cyanider electrode prepared with embodiment 1 is for positive pole, and take zinc electrode as negative pole, electrolyte is 1mol L -1znSO 4the aqueous solution is assembled into the Rechargeable zinc ion battery of flexible package.Obtained Zinc ion battery is at 150mA g -1constant current charge-discharge curve (with positive electrode active materials Mass Calculation) is shown in Fig. 4, and as shown in the figure, between voltage range 2.1 ~ 2.2V, occurred a charging platform, had a discharge platform clearly at about 0.75V, coulombic efficiency is 78%.If through structure optimization, this battery charging and discharging characteristic and cyclical stability also will have obvious lifting.

Claims (7)

1. an aqueous solution electrolysis liquid Rechargeable zinc ion battery, this battery is made up of positive pole, negative pole, diaphragm material between the above two and electrolyte; Wherein positive pole comprises the positive electrode active materials on collector and collector, and negative pole comprises the negative active core-shell material on collector and collector, it is characterized in that, positive electrode active materials is KMFe (CN) 6the film material that powder, electronic conductor and binding agent are made; Negative active core-shell material is the film material that zinc powder, corrosion inhibiter, electronic conductor and binding agent are made; Electrolyte be with the soluble-salt of zinc be solute, the water liquid state with ionic conductivity that is solvent, its pH value is 4 ~ 7; Described KMFe (CN) 6in M be Cu or Ni element.
2. electrolyte Rechargeable zinc ion battery according to claim 1, is characterized in that, in positive electrode active materials, the addition of electronic conductor, binding agent is respectively less than 10% of positive electrode active materials quality.
3. electrolyte Rechargeable zinc ion battery according to claim 1, it is characterized in that, in negative active core-shell material, the addition of corrosion inhibiter is less than 1% of negative active core-shell material quality, and the addition of electronic conductor, binding agent is respectively less than 10% of negative active core-shell material quality.
4. electrolyte Rechargeable zinc ion battery according to claim 1, is characterized in that, described electronic conductor is graphite, carbon black, carbon nano-fiber or carbon nano-tube.
5. electrolyte Rechargeable zinc ion battery according to claim 1, is characterized in that, described corrosion inhibiter is the oxide of indium or the hydroxide of indium or copper.
6. electrolyte Rechargeable zinc ion battery according to claim 1, is characterized in that, described binding agent is polytetrafluoroethylene, Kynoar or cellulose.
7. electrolyte Rechargeable zinc ion battery according to claim 1, is characterized in that, the soluble-salt of described zinc is zinc nitrate, zinc sulfate or zinc chloride.
CN201210380142.6A 2012-10-09 2012-10-09 Aqueous electrolyte rechargeable zinc ion battery Expired - Fee Related CN102903917B (en)

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CN103972479A (en) * 2014-05-27 2014-08-06 中国科学院宁波材料技术与工程研究所 Ion battery
CN103972582B (en) * 2014-05-27 2016-03-30 中国科学院宁波材料技术与工程研究所 A kind of secondary cell
BR112016029592A2 (en) * 2014-06-16 2017-08-22 Ttsb S R L rechargeable battery containing zinc ions
GB2553128B (en) 2016-08-24 2020-02-26 Dst Innovations Ltd Rechargeable power cells
CN107516735B (en) * 2017-08-21 2019-08-23 湖南科技大学 A kind of secondary iron base composite material-iron copper cyanider battery and its manufacturing method
CN114335518A (en) * 2017-10-30 2022-04-12 宁德时代新能源科技股份有限公司 Positive active material, preparation method thereof and sodium ion battery
CN108448168B (en) * 2018-03-14 2021-01-15 华中科技大学 Electrolyte for water-based zinc ion secondary battery and preparation method and application thereof
CN110364692A (en) * 2018-04-10 2019-10-22 中国科学院上海硅酸盐研究所 Composite zinc cathode with multiphase material
CN110364771A (en) * 2018-04-10 2019-10-22 中国科学院上海硅酸盐研究所 A kind of water system zinc ion soft-package battery and preparation method thereof
CN108847476A (en) * 2018-06-07 2018-11-20 哈尔滨工业大学(威海) Preparation method of zinc ion battery anode
CN111653788A (en) * 2020-07-14 2020-09-11 无锡永华电池有限公司 Alkaline battery negative electrode material
CN112164802A (en) * 2020-09-30 2021-01-01 国网上海市电力公司 Application of metal material and zinc-based battery taking metal as negative electrode
CN113097518B (en) * 2021-03-18 2024-06-04 苏州柔能纳米科技有限公司 Electrolyte for flexible neutral zinc-manganese battery and preparation method thereof

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US6558849B2 (en) * 2001-04-19 2003-05-06 Zinc Matrix Power, Inc. Battery separator with copper-containing inorganic salt
CN102097661A (en) * 2009-12-11 2011-06-15 清华大学深圳研究生院 Rechargeable zinc ion battery using zinc manganate as anode
JP5999675B2 (en) * 2010-08-30 2016-09-28 国立研究開発法人産業技術総合研究所 Electrode material for lithium ion secondary battery using defect-free Prussian blue analogue
CN102522553A (en) * 2011-12-31 2012-06-27 武汉大学 Sodium ion battery positive material

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