CN108807850A - A kind of novel alloy electrode and its sodium-ion battery - Google Patents
A kind of novel alloy electrode and its sodium-ion battery Download PDFInfo
- Publication number
- CN108807850A CN108807850A CN201710299216.6A CN201710299216A CN108807850A CN 108807850 A CN108807850 A CN 108807850A CN 201710299216 A CN201710299216 A CN 201710299216A CN 108807850 A CN108807850 A CN 108807850A
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- Prior art keywords
- sodium
- electrode
- ion battery
- antimony
- ion
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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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/134—Electrodes based on metals, Si or alloys
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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
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
-
- 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
- H01M4/139—Processes of manufacture
- H01M4/1395—Processes of manufacture of electrodes based on metals, Si or alloys
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
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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
The invention discloses a kind of novel alloy electrode and its sodium-ion batteries, it is that a large amount of holes are made on antimony alloy using specific process, when using it as sodium ion cathode, sodium ion enters electrode interior along hole after charging, deviate from from hole when electric discharge, anode is returned to through electrolyte, battery charging and discharging function is completed to play storage sodium ion.Use sodium base Prussian blue as positive electrode, porous antimony alloy of the invention as negative material, by closing slurry, coating, rolling, cutting, porous antimony alloy negative plate being made, sodium-ion battery is obtained through lamination, welding, encapsulation, baking, fluid injection, chemical conversion, partial volume.The present invention first allows sodium metal and metal electrode to fuse, then sodium is removed again, a large amount of holes are left on electrode, since these holes are exactly originally to store up sodium, when sodium-ion battery charges, sodium can effectively reenter in these holes, and because the expansion issues of electrode may be not present, sodium-ion battery obtained has excellent electrical property and security performance.
Description
Technical field
The invention belongs to new energy field of batteries, and in particular to a kind of novel porous antimony alloy electrode and its sodium ion electricity
Pond.
Background technology
Since the 1980s, sodium-ion battery is to be studied exploitation together with lithium ion battery, but because of its property
Can be far apart with lithium ion battery, it never obtains batch and promotes and applies.But lithium is rare metal, by for many years
Exploitation, lithium resource is increasingly exhausted, opposite elemental lithium, and sodium element rich content is more on the earth, then present sodium-ion battery weight
Foreground newly has been returned to, has been paid more and more attention.
Due to big more of sodium ion radius ratio lithium ion, the electrodes such as common graphite of lithium ion battery can not use sodium from
On sub- battery.Everybody has once attempted the negative material for using indefinite form carbon as sodium-ion battery, but its gram volume ratio is used in
Graphite on lithium ion battery also wants low, and battery cycle life is poor, thus fails batch and promote and apply.
It is published according to peaceful etc.《Inorganization journal》On《Sodium-ion battery Materials》One text is introduced, alloy
Class material is since with higher theoretical capacity, good electric conductivity has obtained the extensive research of people in sodium-ion battery.
Such as Sb (Na3Sb, 660mAhg-1), Sn (Na15Sn4, 847mAhg-1), Ge (NaGe, 369mAhg-1), In (Na2In,
467mAh·g-1) etc..
But either lithium ion battery or sodium-ion battery, using simple metal or alloy as all having one when cathode
A common fault, that is, negative electrode volume drastically expands when charging, and repeatedly after cycle, cathode collapses damage quickly, the use longevity of battery
Life is very undesirable, is used as the batch of negative material to limit such material.Therefore rapid to solve filling for metal electrode
Electric expansion problem is extremely urgent.
Invention content
The invention discloses it is a kind of can solve sodium-ion battery metal or alloy cathode charge expansion issues method,
A kind of novel porous antimony alloy electrode and its sodium-ion battery be provided, the porous antimony alloy electrode be by by antimony, sodium etc. in argon
It is heated to molten condition injection mold postcooling under the inert gas shieldings such as gas, then cuts the electrode shape for being pressed into and being suitble to assembly
State, subsequently with alcohol etc. remove electrode in sodium prepared by；Use it as sodium-ion battery cathode by closing slurry, coating, roller
It rolls, cut, sodium-ion battery is made in lamination, welding, encapsulation, baking, fluid injection, chemical conversion, the processes such as partial volume.
Preferably, the porous antimony alloy electrode is after being melted with 70%-50% antimony metals by the sodium metal of 30%-50%
It prepares.
Preferably, antimony in the porous antimony alloy electrode can by tin, germanium, lead or their alloy replacing,
Or with antimony and they in one or several kinds of alloy replacings.
The method of the present invention is exactly with the maximum difference of manufacture sodium-ion battery metal or alloy cathode has been reported at present, first
It allows sodium metal and metal electrode to fuse, then sodium is removed again, a large amount of holes are left on electrode, since these holes are exactly originally
Sodium is stored up, when sodium-ion battery charges, sodium can effectively reenter in these holes, and the expansion because electrode may be not present is asked
Topic, sodium-ion battery obtained have excellent electrical property and security performance.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical scheme of the present invention is clearly and completely described, it is clear that retouched
The embodiment stated is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to the present invention
The range of protection.
Embodiment 1：
In reative cell, it is filled with argon gas, 5 kilograms of antimony and 5 kilograms of sodium are added in a furnace, 650 DEG C are heated to 2 hours, by molten slurry
It pours into mold, is cooled to room temperature, remove alloy blank, cut and strike out electrode shape, be put into 50 kilograms of absolute ethyl alcohols, impregnate
4 hours, take out reative cell and dry obtaining porous antimony alloy electrode.Then Prussian blue as sodium-ion battery anode using sodium base
Material, by closing slurry, positive plate is made in coating, rolling, cutting, subsequently using porous antimony alloy electrode as cathode, by lamination,
A batch 10Ah sodium ion power batteries are made in the processes such as welding, encapsulation, baking, fluid injection, chemical conversion, partial volume.
Embodiment 2：
In reative cell, it is filled with argon gas, 7 kilograms of antimony and 3 kilograms of sodium are added in a furnace, 650 DEG C are heated to 2 hours, by molten slurry
It pours into mold, is cooled to room temperature, remove alloy blank, cut and strike out electrode shape, be put into 50 kilograms of absolute ethyl alcohols, impregnate
4 hours, take out reative cell and dry obtaining porous antimony alloy electrode.Then Prussian blue as sodium-ion battery anode using sodium base
Material, by closing slurry, positive plate is made in coating, rolling, cutting, subsequently using porous antimony alloy electrode as cathode, by lamination,
A batch 10Ah sodium ion power batteries are made in the processes such as welding, encapsulation, baking, fluid injection, chemical conversion, partial volume.
Embodiment 3：
In reative cell, it is filled with argon gas, 6 kilograms of antimony and 4 kilograms of sodium are added in a furnace, 650 DEG C are heated to 2 hours, by molten slurry
It pours into mold, is cooled to room temperature, remove alloy blank, cut and strike out electrode shape, be put into 50 kilograms of absolute ethyl alcohols, impregnate
4 hours, take out reative cell and dry obtaining porous antimony alloy electrode.Then Prussian blue as sodium-ion battery anode using sodium base
Material, by closing slurry, positive plate is made in coating, rolling, cutting, subsequently using porous antimony alloy electrode as cathode, by lamination,
A batch 10Ah sodium ion power batteries are made in the processes such as welding, encapsulation, baking, fluid injection, chemical conversion, partial volume.
Embodiment 4：
In reative cell, it is filled with argon gas, 4 kilograms of antimony, 5 kilograms of sodium, 1 kilogram of tin are added in a furnace, is heated to 650 DEG C 2 hours,
Molten slurry is poured into mold, room temperature is cooled to, removes alloy blank, cuts and strikes out electrode shape, is put into 50 kilograms of absolute ethyl alcohols
In, it impregnates 4 hours, takes out reative cell and dry obtaining porous antimony alloy electrode.Then phosphoric acid ferrisodium as sodium-ion battery just
Positive plate is made by conjunction slurry, coating, rolling, cutting, subsequently using porous antimony alloy electrode as cathode, by folded in pole material
A batch 10Ah sodium ion power batteries are made in the processes such as piece, welding, encapsulation, baking, fluid injection, chemical conversion, partial volume.
Embodiment 5：
In reative cell, it is filled with argon gas, 3 kilograms of antimony, 4 kilograms of sodium, 3 kilograms of germanium are added in a furnace, are heated to 650 DEG C 2 hours,
Molten slurry is poured into mold, room temperature is cooled to, removes alloy blank, cuts and strikes out electrode shape, is put into 50 kilograms of absolute ethyl alcohols
In, it impregnates 4 hours, takes out reative cell and dry obtaining porous antimony alloy electrode.Then phosphoric acid ferrisodium as sodium-ion battery just
Positive plate is made by conjunction slurry, coating, rolling, cutting, subsequently using porous antimony alloy electrode as cathode, by folded in pole material
A batch 10Ah sodium ion power batteries are made in the processes such as piece, welding, encapsulation, baking, fluid injection, chemical conversion, partial volume.
Embodiment 6：
In reative cell, it is filled with argon gas, 3 kilograms of antimony, 2 kilograms of lead, 5 kilograms of sodium are added in a furnace, are heated to 650 DEG C 2 hours,
Molten slurry is poured into mold, room temperature is cooled to, removes alloy blank, cuts and strikes out electrode shape, is put into 50 kilograms of absolute ethyl alcohols
In, it impregnates 4 hours, takes out reative cell and dry obtaining porous antimony alloy electrode.Then Prussian blue as sodium ion using sodium base
Positive plate is made by conjunction slurry, coating, rolling, cutting in cell positive material, subsequently using porous antimony alloy electrode as cathode,
A batch 10Ah sodium ion power batteries are made by processes such as lamination, welding, encapsulation, baking, fluid injection, chemical conversion, partial volumes.
Claims (3)
1. a kind of novel alloy electrode and its sodium-ion battery, which is characterized in that the novel alloy electrode is porous antimony alloy electricity
Pole is to inject mold postcooling by the way that antimony, sodium etc. to be heated to molten condition under the inert gas shieldings such as argon gas, then cuts
Prepared by being pressed into the electrode condition for being suitble to assembly, subsequently removing the sodium in electrode with alcohol etc.；Use it as sodium ion electricity
Sodium is made by closing the processes such as slurry, coating, rolling, cutting, lamination, welding, encapsulation, baking, fluid injection, chemical conversion, partial volume in pond cathode
Ion battery.
2. a kind of novel alloy electrode according to claim 1 and its sodium-ion battery, which is characterized in that described is porous
Antimony alloy electrode is by being prepared after the sodium metal of 30%-50% and the melting of 70%-50% antimony metals.
3. a kind of novel alloy electrode according to claim 1 and its sodium-ion battery, which is characterized in that described is porous
Antimony in antimony alloy electrode can be by tin, germanium, lead either their alloy replacing or with the one or several kinds in antimony and they
Alloy replacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710299216.6A CN108807850B (en) | 2017-05-01 | 2017-05-01 | Electrode and sodium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710299216.6A CN108807850B (en) | 2017-05-01 | 2017-05-01 | Electrode and sodium ion battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108807850A true CN108807850A (en) | 2018-11-13 |
| CN108807850B CN108807850B (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710299216.6A Active CN108807850B (en) | 2017-05-01 | 2017-05-01 | Electrode and sodium ion battery |
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Citations (9)
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|---|---|---|---|---|
| CN1974808A (en) * | 2006-12-15 | 2007-06-06 | 中国科学院长春应用化学研究所 | Prepn process of pore forming agent for porous magnesium alloy and porous aluminium and its pore forming method |
| CN101580947A (en) * | 2009-06-08 | 2009-11-18 | 中南大学 | Method for electrolyzing and separating gold and antimony in gold-antimony alloy |
| CN102185131A (en) * | 2011-04-13 | 2011-09-14 | 长安大学 | Preparation method of porous current collector/tin-base alloy/carbon nano-tube integrated electrode |
| JP2013008540A (en) * | 2011-06-24 | 2013-01-10 | Sumitomo Electric Ind Ltd | Collector for nonaqueous electrolyte secondary battery and electrode using the same |
| CN103137956A (en) * | 2013-03-15 | 2013-06-05 | 中国计量学院 | Preparation method of nickel-tin alloy powder with porous and globular structures as lithium ion battery negative pole material |
| CN103317141A (en) * | 2013-06-17 | 2013-09-25 | 中国科学院宁波材料技术与工程研究所 | Method for preparing metal nanoparticles |
| CN105609750A (en) * | 2016-01-06 | 2016-05-25 | 中南大学 | Porous zinc-nickel alloy negative electrode material for zinc-air battery and preparation method of porous zinc-nickel alloy negative electrode material |
| CN105655556A (en) * | 2016-01-15 | 2016-06-08 | 南京师范大学 | Preparation method of nano-porous antimony-nickel alloy |
| US20170077546A1 (en) * | 2015-09-14 | 2017-03-16 | Aruna Zhamu | Alkali metal or Alkali-Ion batteries having high volumetric and gravimetric energy densities |
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2017
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Patent Citations (9)
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| CN1974808A (en) * | 2006-12-15 | 2007-06-06 | 中国科学院长春应用化学研究所 | Prepn process of pore forming agent for porous magnesium alloy and porous aluminium and its pore forming method |
| CN101580947A (en) * | 2009-06-08 | 2009-11-18 | 中南大学 | Method for electrolyzing and separating gold and antimony in gold-antimony alloy |
| CN102185131A (en) * | 2011-04-13 | 2011-09-14 | 长安大学 | Preparation method of porous current collector/tin-base alloy/carbon nano-tube integrated electrode |
| JP2013008540A (en) * | 2011-06-24 | 2013-01-10 | Sumitomo Electric Ind Ltd | Collector for nonaqueous electrolyte secondary battery and electrode using the same |
| CN103137956A (en) * | 2013-03-15 | 2013-06-05 | 中国计量学院 | Preparation method of nickel-tin alloy powder with porous and globular structures as lithium ion battery negative pole material |
| CN103317141A (en) * | 2013-06-17 | 2013-09-25 | 中国科学院宁波材料技术与工程研究所 | Method for preparing metal nanoparticles |
| US20170077546A1 (en) * | 2015-09-14 | 2017-03-16 | Aruna Zhamu | Alkali metal or Alkali-Ion batteries having high volumetric and gravimetric energy densities |
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| CN108807850B (en) | 2021-08-27 |
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Effective date of registration: 20220916 Address after: 523867 Building 9, Dasheng Industrial City, Second Industrial Zone, No. 1438, Provincial Road S358, Shangsha Community, Chang'an Town, Dongguan City, Guangdong Province Patentee after: Dongguan Grind Energy Co.,Ltd. Address before: 518105 4th Floor, Building A2, Liyuan Bay Industrial Park, 168 Honghu Road, Yanchuan, Songgang, Baoan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN GRAND POWERSOURCE Co.,Ltd. |