CN101442120A - Electrode material and electrode containing the electrode and electrochemistry energy storage device containing the electrode - Google Patents
Electrode material and electrode containing the electrode and electrochemistry energy storage device containing the electrode Download PDFInfo
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- CN101442120A CN101442120A CNA2008102466354A CN200810246635A CN101442120A CN 101442120 A CN101442120 A CN 101442120A CN A2008102466354 A CNA2008102466354 A CN A2008102466354A CN 200810246635 A CN200810246635 A CN 200810246635A CN 101442120 A CN101442120 A CN 101442120A
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Abstract
The invention relates to an electrode material, electrodes manufactured by the electrode material and an electrochemical energy storing device manufactured by the electrodes. Titanium pigment alkali liquor is subjected to ultrasonic processing, washing to be neutralized, and vacuum drying to obtain a product 1; the product 1 is subjected to heat treatment in air to obtain a product 2; the product 1 and organic micromolecule substances are subjected to exchanging immersion, vacuum drying, and heat treatment in the air to obtain a product 3; the product 3 is heated in a lithium hydroxide solution, washed, and is subjected to vacuum drying and heat treatment in the air to obtain a product 4; and the product 1 is heated in the lithium hydroxide solution, washed, and is subjected to vacuum drying and heat treatment in the air to obtain a product 5. 100 portions of one or the combination of the products 1, 2, 3, 4 and 5, 1 to 3 portions of binding agent CMC, 6 to 10 portions of SBR, 130 to 160 portions of deionized water and 1 to 20 portions of conductive agent are taken to be prepared into electrode slurry; the electrode slurry is coated on a conductive substrate material to form a positive electrode or a negative electrode; and the electrochemical energy storing device is prepared and has the technical characteristics of repeated charge and discharge with high magnification at low temperature and high power, and also has the characteristics of safety, reliability, and long cycle life.
Description
Technical field
The present invention relates to a kind of new material that adopts and make, have the electrochemical energy storing device of new construction, can be used as battery, also can be used as asymmetric electric capacity.
Background technology
At present, the kind of battery is a lot of on the market, and is of many uses.But existing its problem of rechargeable battery is also very outstanding: under the normal temperature, high magnification charges the heavy losses life-span repeatedly, can not quick charge; It is very low to discharge and recharge coulombic efficiency under the low temperature, and after the circulation of experience low temperature, its capacity and fast charging and discharging ability all can not return to original level.Positive and negative electrode and safety valve are arranged on the same plane, when high power uses, have potential safety hazard.
Summary of the invention
The electrochemical energy storing device and the purposes that the objective of the invention is to propose a kind of electrode material and comprise the electrode of this material and comprise this electrode making.The electrochemical energy storing device that the positive and negative electrode that the present invention adopts nanotube, nano wire and nano-particle material to make is formed can effectively solve the problems of the technologies described above, but have high magnification repeated charge and high-power technical characteristic under the low temperature.
Technical solution of the present invention is:
A kind of electrode material, this material prepares with following method:
(1.1) titanium dioxide is carried out ultrasonic Treatment in alkali lye, the slant acidity that neutralizes is washed in heating, places 6-9 hour, and vacuumize gets product 1;
(1.2) product 1 heat treatment in air is got product 2; With product 1 and organic molecule mass exchange dipping several, vacuumize, heat treatment gets product 3 in air; Product 3 is heated in lithium hydroxide solution, washing, vacuumize, heat treatment gets product 4 in air; Product 1 is heated in lithium hydroxide solution, washing, vacuumize, heat treatment gets product 5 in air;
Described product 1, product 2, product 3, product 4 or product 5 be characterized by the both ends open nanotube that forms by winding of webs or under higher temperature for two ends not opening nano wire or under high-temperature, be nano particle.
In the above-mentioned electrode material, described titanium dioxide adopts the Detitanium-ore-type or the rutile type titanium white of technical grade.
In the above-mentioned electrode material, the alkali lye heating-up temperature is 100～200 ℃ in (1.1) step; (1.2) material of organic molecule described in the step is an organic alcohols; Heat treatment temperature is 200～800 ℃ in the described air; (1.1) and vacuumize heating-up temperature described in (1.2) step be 60～500 ℃.
A kind of electrode that comprises that above-mentioned electrode material is made, this electrode adopts the preparing electrode paste of following weight proportion:
(4.1) a kind of or its combination in described product 1, product 2, product 3, product 4, the product 5,100 parts;
(4.2) binding agent CMC, 1～3 part;
(4.3) binding agent SBR, 6～10 parts;
(4.4) deionized water, 130～160 parts;
(4.5) conductive agent, 1～20 part;
Described conductive agent adopts a kind of or its combination in carbon black, graphite, carbon fiber, the carbon nano-tube.
In the above-mentioned electrode, electrode slurry adopts following method preparation: become mixed liquor after quantitative ethanol or NMP dispersion are put in a kind of or its combination (4.1) in product 1, product 2, product 3, product 4, the product 5, after binding agent CMC (4.2) put into deionized water (4.4) stirring and dissolving, adding binding agent SBR (4.3) successively stirs, add conductive agent (4.5) and stir, add and sieve after described mixed liquor stirs.
Above-mentioned electrode adopts following method preparation: above-mentioned electrode slurry curtain coating is coated on the metal forming, or curtain coating is separated after heat with electrode film and is bonded on the wire netting on plastic film with plastic film; Behind the vaccum dewatering,, be die-cut into the electrode slice of different shape by to after the roller compaction.Described metal forming adopts aluminium foil, Copper Foil, stainless steel foil or iron foil.Described wire netting adopts wherein a kind of of punching is made on aluminium net, copper mesh, stainless (steel) wire, iron net and aluminium foil or the Copper Foil net.
A kind of electrochemical energy storing device that comprises that above-mentioned electrode is made comprises safety valve, and its internal structure is composed as follows:
(7.1) the positive and negative electrode matching method adopts one of following three kinds of modes:
Mode 1: negative electrode adopts above-mentioned electrode, coating of positive electrode slurry curtain coating or the same negative electrode of heat bonding conductive substrate material, but the electrode slurry of surface-coated adopts the lithium salts of layer structure;
Mode 2: positive electrode adopts above-mentioned electrode, coating of negative electrode slurry curtain coating or the same positive electrode of heat bonding conductive substrate material, but the electrode slurry of surface-coated adopts carbon or carbon lithium composite material;
Mode 3: positive electrode adopts above-mentioned electrode, and negative electrode adopts the lithium sheet;
(7.2) barrier film: adopt microporous plastic sheet or ultra-fine fibre glass felt;
(7.3) electrolyte: contain the PC solution of lithium salts or contain the PC+PA solution of lithium salts.
In the above-mentioned electrochemical energy storing device, the exit of described positive electrode, negative electrode and safety valve be not in same plane.The outer surface of electrochemical energy storing device is provided with the boss of geometries such as circle, square, rectangle or ellipse.Electrochemical energy storing device is provided with 1 or 2 safety valves.A kind of or its combination in the composite material (compound with plastic film respectively) of sheathing material employing metal, metal species alloy, all types of plastic, plastics and the metal of electrochemical energy storing device as aluminium foil, Copper Foil or stainless steel foil.
Above-mentioned electrochemical energy storing device can be used as battery or asymmetric electric capacity.
The invention has the beneficial effects as follows:
(1) raw material of electrode slurry of the present invention (being product 1, product 2, product 3, product 4 and product 5) adopts the titanium dioxide of technical grade to prepare, and is novel nanometer materials, can significantly save cost.
(2) electrode slurry of the present invention not only can be used for positive electrode but also can be used for negative electrode, but therefore has high magnification repeated charge and high-power technical characteristic under the low temperature.
(3) coating of the slurry curtain coating of electrode of the present invention or heat bonding conductive substrate material are identical, can significantly save cost.
(4) in the electrochemical energy storing device of the present invention the exit of positive electrode, negative electrode and safety valve not in same plane, when high power uses, safe and reliable.
(5) the outward appearance plane of electrochemical energy storing device of the present invention is provided with the geometry boss, leaves the gap each other when a plurality of electrochemical energy storing device are connected, and helps the heat radiation of device.
(6) electrochemical energy storing device of the present invention has the cycle life of overlength.
Description of drawings
Fig. 1 is the schematic diagram of a kind of embodiment of electrochemical energy storing device of the present invention;
Fig. 2 is the schematic diagram of the another kind of embodiment of electrochemical energy storing device of the present invention.
Embodiment
Below in conjunction with specific embodiment the present invention is described further, following embodiment only is used to the present invention is described but not limitation of the present invention.
Embodiment 1
1, prepare electrode material with following method earlier:
(1) rutile type titanium white with technical grade carries out ultrasonic Treatment in alkali lye, and heating-up temperature is 140 ℃, washs the slant acidity that neutralizes, and places about 8 hours, and vacuumize (heating-up temperature is 90 ℃) gets product 1; (2) product 1 heat treatment in air (temperature is 250 ℃) is got product 2; With product 1 and organic alcohols such as absolute ethyl alcohol exchange dipping several, vacuumize (heating-up temperature is 400 ℃), heat treatment in air (temperature is 300 ℃) gets product 3; Product 3 is heated in lithium hydroxide solution, washing, vacuumize (heating-up temperature is 130 ℃), heat treatment in air (temperature is 350 ℃) gets product 4; Product 1 is heated 140 ℃ in lithium hydroxide solution, washing, vacuumize (heating-up temperature is 90 ℃), heat treatment in air (temperature is 600 ℃) gets product 5.Product 1, product 2, product 3, product 4 or product 5 be characterized by the both ends open nanotube that forms by winding of webs or under higher temperature for two ends not opening nano wire or under high-temperature, be nano particle.
2, adopt following method to prepare electrode slurry with above-mentioned electrode material:
Choose 1,100 parts of described products, 3 parts of binding agent CMC, 8 parts of binding agent SBR, 130 parts of deionized waters, 20 parts on conductive agent carbon fiber.
Product 1 put into becomes mixed liquor after quantitative ethanol disperses, after binding agent CMC put into deionized water for stirring dissolving, add binding agent SBR successively and stir, add the conductive agent carbon fiber and stir, adding sieves after described mixed liquor stirs gets final product.Disperse the ethanol of usefulness to volatilize naturally this moment.
3, adopt following method to prepare electrode with above-mentioned electrode slurry again:
Above-mentioned electrode slurry curtain coating is coated on the metal forming, and metal forming can adopt aluminium foil, Copper Foil, stainless steel foil or iron foil; Behind the vaccum dewatering,, be die-cut into the electrode slice of different shape by to after the roller compaction.
4, make electrochemical energy storing device with above-mentioned electrode at last, comprise safety valve, its internal structure is composed as follows:
(1) positive and negative electrode matching method: negative electrode adopts above-mentioned electrode, and positive electricity is the same negative electrode of organism material extremely, but the electrode slurry of surface-coated adopts the lithium salts of layer structure; (2) barrier film: adopt microporous plastic sheet; (3) electrolyte: the PC+PA solution that contains lithium salts.
Embodiment 2
1, prepare electrode material with following method earlier:
(1.1) the Detitanium-ore-type titanium dioxide with technical grade carries out ultrasonic Treatment in alkali lye, and heating-up temperature is 200 ℃, washs the slant acidity that neutralizes, and places about 7 hours, and vacuumize (heating-up temperature is 90 ℃) gets product 1; (1.2) product 1 heat treatment in air (temperature is 200 ℃) is got product 2; With product 1 and organic alcohols such as absolute ethyl alcohol exchange dipping several, vacuumize (heating-up temperature is 380 ℃), heat treatment in air (temperature is 400 ℃) gets product 3; Product 3 is heated in lithium hydroxide solution, washing, vacuumize (heating-up temperature is 300 ℃), heat treatment in air (temperature is 700 ℃) gets product 4; Product 1 is heated in lithium hydroxide solution, washing, vacuumize (heating-up temperature is 500 ℃), heat treatment in air (temperature is 800 ℃) gets product 5.Product 1, product 2, product 3, product 4 or product 5 be characterized by the both ends open nanotube that forms by winding of webs or under higher temperature for two ends not opening nano wire or under high-temperature, be nano particle.
2, adopt following method to prepare electrode slurry with above-mentioned electrode material:
Choose 2,100 parts of described products, 2 parts of binding agent CMC, 6 parts of binding agent SBR, 150 parts of deionized waters, 10 parts of conductive agent carbon blacks.
Product 2 put into becomes mixed liquor after quantitative NMP disperses, after binding agent CMC put into deionized water for stirring dissolving, add binding agent SBR successively and stir, add the conductive agent carbon black successively and stir, adding sieves after described mixed liquor stirs gets final product, and wherein NMP reclaims.
3, adopt following method to prepare electrode with above-mentioned electrode slurry again:
Above-mentioned electrode slurry curtain coating is coated on the stainless steel foil metal forming, behind the vaccum dewatering,, is die-cut into the electrode slice of different shape by to after the roller compaction.
4, make electrochemical energy storing device with above-mentioned electrode at last, comprise 1 safety valve, its internal structure is composed as follows:
(1) positive and negative electrode matching method: positive electrode adopts above-mentioned electrode, and negative electricity is the same positive electrode of organism material extremely, but the electrode slurry of surface-coated adopts carbon; (2) barrier film: adopt the ultra-fine fibre glass felt; (3) electrolyte: the PC solution that contains lithium salts.
Embodiment 3
1, prepare electrode material with following method earlier:
(1.1) rutile type titanium white with technical grade carries out ultrasonic Treatment in alkali lye, and heating-up temperature is 100 ℃, washs the slant acidity that neutralizes, and places about 6 hours, and vacuumize (heating-up temperature is 60 ℃) gets product 1; (1.2) product 1 heat treatment in air (temperature is 350 ℃) is got product 2; With product 1 and organic alcohols mass exchange dipping several, vacuumize, heat treatment in air (temperature is 320 ℃) gets product 3; Product 3 is heated in lithium hydroxide solution, washing, vacuumize (heating-up temperature is 280 ℃), heat treatment in air (temperature is 500 ℃) gets product 4; Product 1 is heated in lithium hydroxide solution, washing, vacuumize (heating-up temperature is 460 ℃), heat treatment in air (temperature is 200 ℃) gets product 5.Product 1, product 2, product 3, product 4 or product 5 be characterized by the both ends open nanotube that forms by winding of webs or under higher temperature for two ends not opening nano wire or under high-temperature, be nano particle.
2, adopt following method to prepare electrode slurry with above-mentioned electrode material:
Choose totally 100 parts of described product 3 and products 4,1 part of binding agent CMC, 10 parts of binding agent SBR, 160 parts of deionized waters, 2 parts in conductive agent graphite.
Product 3 and product 4 put into becomes mixed liquor after quantitative ethanol disperses, after binding agent CMC put into deionized water for stirring dissolving, add binding agent SBR successively and stir, add conductive agent graphite and stir, add and sieve after described mixed liquor stirs.Disperse the ethanol of usefulness to volatilize naturally this moment.
3, adopt following method to prepare electrode with above-mentioned electrode slurry again:
Above-mentioned electrode slurry curtain coating on plastic film, is separated after heat with electrode film and is bonded on the wire netting with plastic film, wire netting adopts a kind of in aluminium net, copper mesh, stainless (steel) wire, the iron net, as copper mesh; Behind the vaccum dewatering,, be die-cut into the electrode slice of different shape by to after the roller compaction.
4, make electrochemical energy storing device with above-mentioned electrode at last, comprise 2 safety valves, its internal structure is composed as follows:
(1) positive and negative electrode matching method: positive electrode adopts above-mentioned electrode, and negative electricity is the same positive electrode of organism material extremely, but the electrode slurry of surface-coated adopts carbon lithium composite material; (2) barrier film: adopt the ultra-fine fibre glass felt; (3) electrolyte: the PC+PA solution that contains lithium salts.
Embodiment 4
1, prepare electrode material with following method earlier:
(1) titanium dioxide with technical grade carries out ultrasonic Treatment in alkali lye, and heating-up temperature is 150 ℃, washs the slant acidity that neutralizes, and places about 9 hours, and vacuumize (heating-up temperature is 80 ℃) gets product 1; (2) product 1 heat treatment in air (temperature is 280 ℃) is got product 2; With product 1 and organic molecule mass exchange dipping several, vacuumize (heating-up temperature is 200 ℃), heat treatment in air (temperature is 380 ℃) gets product 3; Product 3 is heated in lithium hydroxide solution, washing, vacuumize (heating-up temperature is 180 ℃), heat treatment in air (temperature is 490 ℃) gets product 4; Product 1 is heated 150 ℃ in lithium hydroxide solution, washing, vacuumize (heating-up temperature is 80 ℃), heat treatment in air (temperature is 680 ℃) gets product 5.Product 1, product 2, product 3, product 4 or product 5 be characterized by the both ends open nanotube that forms by winding of webs or under higher temperature for two ends not opening nano wire or under high-temperature, be nano particle.
2, adopt following method to prepare electrode slurry with above-mentioned electrode material:
Choose 5,100 parts of described products, 3 parts of binding agent CMC, 9 parts of binding agent SBR, 140 parts of deionized waters, 1 part of conductive agent carbon nano-tube.
Product 5 put into becomes mixed liquor after quantitative ethanol disperses, binding agent CMC is put into the deionized water for stirring dissolving after, add binding agent SBR successively and stir, add the conductive agent carbon nano-tube and stir, add and sieve after described mixed liquor stirs.
3, adopt following method to prepare electrode with above-mentioned electrode slurry again:
Above-mentioned electrode slurry curtain coating on plastic film, is separated after heat with electrode film and is bonded on the wire netting with plastic film, wire netting adopts wherein a kind of of punching is made on aluminium foil or the Copper Foil net, the net that punching press is made as aluminium foil; Behind the vaccum dewatering,, be die-cut into the electrode slice of different shape by to after the roller compaction.
4, make electrochemical energy storing device with above-mentioned electrode at last, comprise safety valve, its internal structure is composed as follows:
(1) positive and negative electrode matching method: positive electrode adopts above-mentioned electrode, and negative electrode adopts the lithium sheet; (2) barrier film: adopt microporous plastic sheet; (3) electrolyte: the PC solution that contains lithium salts.
Embodiment 5
1, prepare electrode material with following method earlier:
(1.1) the Detitanium-ore-type titanium dioxide with technical grade carries out ultrasonic Treatment in alkali lye, and heating-up temperature is 160 ℃, washs the slant acidity that neutralizes, and places about 8.5 hours, and vacuumize (heating-up temperature is 100 ℃) gets product 1; (1.2) product 1 heat treatment in air (temperature is 230 ℃) is got product 2; With product 1 and organic alcohols exchange dipping several, vacuumize (heating-up temperature is 480 ℃), heat treatment in air (temperature is 600 ℃) gets product 3; Product 3 is heated in lithium hydroxide solution, washing, vacuumize (heating-up temperature is 300 ℃), heat treatment in air (temperature is 750 ℃) gets product 4; Product 1 is heated in lithium hydroxide solution, washing, vacuumize (heating-up temperature is 500 ℃), heat treatment in air (temperature is 780 ℃) gets product 5.Product 1, product 2, product 3, product 4 or product 5 be characterized by the both ends open nanotube that forms by winding of webs or under higher temperature for two ends not opening nano wire or under high-temperature, be nano particle.
2, adopt following method to prepare electrode slurry with above-mentioned electrode material:
Choose totally 100 parts of described product 1, product 2 and products 5,2 parts of binding agent CMC, 8 parts of binding agent SBR, totally 10 parts of 150 parts of deionized waters, conductive agent carbon black and carbon fiber.
Product 2 put into becomes mixed liquor after quantitative ethanol disperses, after binding agent CMC put into deionized water for stirring dissolving, add binding agent SBR successively and stir, add conductive agent carbon black and carbon fiber and stir, adding sieves after described mixed liquor stirs gets final product.
3, adopt following method to prepare electrode with above-mentioned electrode slurry again:
Above-mentioned electrode slurry curtain coating is coated on the aluminum foil metal paper tinsel, behind the vaccum dewatering,, is die-cut into the electrode slice of different shape by to after the roller compaction.
4, make electrochemical energy storing device with above-mentioned electrode at last, comprise 1 safety valve, its internal structure is composed as follows:
(1) positive and negative electrode matching method: positive electrode adopts above-mentioned electrode, and negative electricity is the same positive electrode of organism material extremely, but the electrode slurry of surface-coated adopts carbon; (2) barrier film: adopt the ultra-fine fibre glass felt; (3) electrolyte: the PC solution that contains lithium salts.
Embodiment 6
Choose product and replace product 1 for 4,100 parts, conductive agent adopts carbon black and carbon nano-tube totally 15 parts of replacement conductive agent carbon fibers.Other is identical with embodiment 1.
Embodiment 7
Choose product and replace product 2 for 3,100 parts, conductive agent adopts graphite and carbon nano-tube to replace the conductive agent carbon black for 18 parts.Other is identical with embodiment 2.
Embodiment 8
Choose product 1, product 2, product 3, product 4 and product 5 totally 100 parts of replacement products 5, conductive agent adopts carbon black, graphite and carbon fiber to replace the conductive agent carbon nano-tube for 15 parts.Other is identical with embodiment 4.
Embodiment 9
Choose product 1, product 2, product 4 and product 5 totally 100 parts of replacement products 2, conductive agent adopts graphite and carbon nano-tube to replace the conductive agent carbon black for 10 parts.Other is identical with embodiment 2.
With reference to Fig. 1, adopt in the electrochemical energy storing device 10 of the foregoing description 1～9 arbitrary making, the exit of positive electrode 105, negative electrode 104 is in the same side, with safety valve 103 not in same plane.The outward appearance plane 102 of electrochemical energy storing device 10 is provided with circular boss 101,106.Electrochemical energy storing device is provided with 1 or 2 safety valves 103.A kind of or its combination in the composite material (compound with plastic film respectively) of sheathing material employing metal, metal species alloy, all types of plastic, plastics and the metal of electrochemical energy storing device as aluminium foil, Copper Foil or stainless steel foil.
With reference to Fig. 2, adopt in the electrochemical energy storing device 20 of the foregoing description 1～9 arbitrary making, the exit of positive electrode, negative electrode 204 not in same plane, and with safety valve 203 also not in same plane.The outward appearance plane 202 of electrochemical energy storing device 20 is provided with circular boss 201,206,207, and boss also can be other geometries such as square, rectangle or ellipse.Electrochemical energy storing device is provided with 1 or 2 safety valves 203.
Above-mentioned electrochemical energy storing device 10,20 can be used as battery or asymmetric electric capacity.
Claims (10)
1, a kind of electrode material is characterized in that, this material prepares with following method:
(1.1) titanium dioxide is carried out ultrasonic Treatment in alkali lye, the slant acidity that neutralizes is washed in heating, places 6-9 hour, and vacuumize gets product 1;
(1.2) product 1 heat treatment in air is got product 2; With product 1 and organic molecule mass exchange dipping several, vacuumize, heat treatment gets product 3 in air; Product 3 is heated in lithium hydroxide solution, washing, vacuumize, heat treatment gets product 4 in air; Product 1 is heated in lithium hydroxide solution, washing, vacuumize, heat treatment gets product 5 in air;
Described product 1, product 2, product 3, product 4 or product 5 be characterized by the both ends open nanotube that forms by winding of webs or under higher temperature for two ends not opening nano wire or under high-temperature, be nano particle.
2, electrode material according to claim 1 is characterized in that, described titanium dioxide adopts the Detitanium-ore-type or the rutile type titanium white of technical grade; Described organic molecule material is an organic alcohols.
3, electrode material according to claim 1 and 2 is characterized in that, described alkali lye heating-up temperature is 100～200 ℃; Heat treatment temperature is 200～800 ℃ in the described air; Described vacuumize heating-up temperature is 60～500 ℃.
4, a kind of electrode that comprises that the described electrode material of claim 1 is made is characterized in that this electrode adopts the preparing electrode paste of following weight proportion:
(4.1) a kind of or its combination in described product 1, product 2, product 3, product 4, the product 5,100 parts;
(4.2) binding agent CMC, 1～3 part;
(4.3) binding agent SBR, 6～10 parts;
(4.4) deionized water, 130～160 parts;
(4.5) conductive agent, 1～20 part;
Described conductive agent adopts a kind of or its combination in carbon black, graphite, carbon fiber, the carbon nano-tube.
5, electrode according to claim 4 is characterized in that, this electrode slurry adopts following method preparation:
A kind of or its combination (4.1) in product 1, product 2, product 3, product 4, the product 5 put into becomes mixed liquor after quantitative ethanol or NMP disperse, after binding agent CMC (4.2) put into deionized water (4.4) stirring and dissolving, adding binding agent SBR (4.3) successively stirs, add conductive agent (4.5) and stir, add and sieve after described mixed liquor stirs.
6, electrode according to claim 5 is characterized in that, this electrode adopts following method preparation:
Above-mentioned electrode slurry curtain coating is coated on the metal forming, or curtain coating is separated after heat with electrode film and is bonded on the wire netting on plastic film with plastic film; Behind the vaccum dewatering,, be die-cut into the electrode slice of different shape by to after the roller compaction;
Described metal forming adopts aluminium foil, Copper Foil, stainless steel foil or iron foil; Described wire netting adopts wherein a kind of of punching is made on aluminium net, copper mesh, stainless (steel) wire, iron net and aluminium foil or the Copper Foil net.
7, a kind of electrochemical energy storing device that comprises that the described electrode of claim 4 is made comprises safety valve, it is characterized in that its internal structure is composed as follows:
(7.1) the positive and negative electrode matching method adopts one of following three kinds of modes:
Mode 1: negative electrode adopts above-mentioned electrode, coating of positive electrode slurry curtain coating or the same negative electrode of heat bonding conductive substrate material, but the electrode slurry of surface-coated adopts the lithium salts of layer structure;
Mode 2: positive electrode adopts above-mentioned electrode, coating of negative electrode slurry curtain coating or the same positive electrode of heat bonding conductive substrate material, but the electrode slurry of surface-coated adopts carbon or carbon lithium composite material;
Mode 3: positive electrode adopts above-mentioned electrode, and negative electrode adopts the lithium sheet;
(7.2) barrier film: adopt microporous plastic sheet or ultra-fine fibre glass felt;
(7.3) electrolyte: contain the PC solution of lithium salts or contain the PC+PA solution of lithium salts.
8, electrochemical energy storing device according to claim 7 is characterized in that, electrochemical energy storing device is provided with 1 or 2 safety valves; The exit of described positive electrode, negative electrode and safety valve be not in same plane.
According to claim 7 or 8 described electrochemical energy storing device, it is characterized in that 9, the outer surface of electrochemical energy storing device is provided with circle, square, rectangle or oval-shaped boss; A kind of or its combination in the composite material of sheathing material employing metal, metal species alloy, all types of plastic, plastics and the metal of electrochemical energy storing device.
10, the purposes of electrochemical energy storing device according to claim 7 is characterized in that, this electrochemical energy storing device is as battery or asymmetric electric capacity.
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| CNA2008102466354A CN101442120A (en) | 2008-12-29 | 2008-12-29 | Electrode material and electrode containing the electrode and electrochemistry energy storage device containing the electrode |
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| CNA2008102466354A CN101442120A (en) | 2008-12-29 | 2008-12-29 | Electrode material and electrode containing the electrode and electrochemistry energy storage device containing the electrode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923962A (en) * | 2010-03-23 | 2010-12-22 | 集盛星泰(北京)科技有限公司 | Active carbon electrode and super capacitor containing same |
| CN110577891A (en) * | 2019-08-21 | 2019-12-17 | 南开大学 | preparation method, use method and application of microbial electrochemical sensor |
-
2008
- 2008-12-29 CN CNA2008102466354A patent/CN101442120A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923962A (en) * | 2010-03-23 | 2010-12-22 | 集盛星泰(北京)科技有限公司 | Active carbon electrode and super capacitor containing same |
| CN101923962B (en) * | 2010-03-23 | 2015-09-23 | 集盛星泰(北京)科技有限公司 | A kind of active carbon electrode and the ultracapacitor comprising this electrode |
| CN110577891A (en) * | 2019-08-21 | 2019-12-17 | 南开大学 | preparation method, use method and application of microbial electrochemical sensor |
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