CN101335342A - Accumulator electrode with internal particle movable and producing process thereof - Google Patents
Accumulator electrode with internal particle movable and producing process thereof Download PDFInfo
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- CN101335342A CN101335342A CNA2008100637442A CN200810063744A CN101335342A CN 101335342 A CN101335342 A CN 101335342A CN A2008100637442 A CNA2008100637442 A CN A2008100637442A CN 200810063744 A CN200810063744 A CN 200810063744A CN 101335342 A CN101335342 A CN 101335342A
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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 relates to a battery electrode with movable internal particles and a preparation method thereof, and pertains to the technical field of the battery electrode. The battery electrode is characterized in that the battery electrode comprises an electrode frame which is arranged in the battery body, movable electrode particles are piled in the electrode frame, the electrode particles are negative particles or positive particles made of solid electrode material, the electrode frame has net-shaped structure and is connectively provided with an input pipeline and an output pipeline which extend out of the battery body, and the electrode frame is connectively provided with an electrode post head. The battery electrode with movable internal particles and the preparation method thereof break through the traditional model in which the battery electrode is fixed in the battery. The electrode particles of the battery electrode can be input into or output from the battery body, can be charged in the battery body and also can be moved out of the battery body to carry out charging and maintenance. The battery electrode has the advantages that the manufacturing automatization of the battery electrode can be realized; the volume and the weight of the battery are reduced; the use performance of the battery is improved; and fast charge is achieved.
Description
Technical field
The invention belongs to the battery terminal technical field, be specially accumulator electrode with internal particle movable and production method thereof.
Background technology
Existing storage battery comprises the electrode of a pair of internal storage battery that is fixed: negative electrode (positive pole) and anode (negative pole), the discharge of this storage battery and the charging course of work are between this a pair of electrode oxidation and reduction reaction to take place respectively, in discharge process, the oxidized electronics that loses of anode, negative electrode is reduced and obtains electronics, and in charging process, this reaction is converse.In case after the process of charging is finished, enter the process of putting charging of next round again, the work period of finishing battery by this.Production of storage battery at present and use all are fixed on the traditional mode of internal storage battery at the electrode of following internal storage battery, the pair of electrodes of storage battery is forever to be installed in the cell body under this pattern, and certain limitation is arranged, and shows as:
One, charging and discharging efficiency instability during battery uses.Efficiency for charge-discharge, the useful life of people in order to improve battery electrode, constantly improving material and the production technology of making electrode always, but the battery production technology does not break away from all the time and is confined to install and fix electrode in battery, and battery use this design cycle of not leaving all the time and be confined to charge-discharging.Battery in continuous use, inevitably electrode can wear out gradually, charging times with charge efficiency can be inversely proportional to, along with the wearing out of battery, the charging interval can more and more be grown and charging and discharging efficiency can be more and more lower.And limit when the charging interval of storage battery is also by deisgn product under this pattern and be fixed up, people are in order to shorten the charging interval, to prolong discharge time, exploring always and attempting electrode that uses new material to serve as storage battery and the manufacture craft of improving electrode, and at every turn in charging interval stage, breakthrough the shortening, the cost that improves charging and discharging efficiency often: raising materials used cost or cost of manufacture, increase volume or weight are realized.Key to the issue is that design concept is not jumped out the inertia that installs and fixes electrode and set this intrinsic thinking of constant parameter of charge in batteries time in storage battery all the time.
Two, the charging interval is long and unalterable.Because the charge in batteries time under the technology is grown partially and immobilizes at present, there is the storage battery of particular requirement the charging interval at some, electric automobile as having relatively high expectations in charging interval restriction aspect is difficult to promote because of the defective that has short time charging apace makes the storage battery dedicated use of electric automobile.
Three, the production process of existing internal storage battery fixed electrode is too complicated.Its production process can't realize automation, still rests on the manual stage as the present technology of the installation of battery terminal, and the electrode of each battery is all installed in later process, not only complicated production capacity of technology but also low and contaminated environment.
Four, the pole plate heaviness and the volume of existing storage battery are bigger than normal.Owing to will prolong the useful life of battery electrode as much as possible, that often battery pole plates is done is thick as far as possible big, and the result is that the battery product under this pattern is all bigger than normal than heaviness and volume relatively.
Five, electrode life and service efficiency can not guarantee.Because the production standard of manufacturing enterprise differs, the environment for use of the battery product of being produced requires different, does not cause export license because of improper use makes the work of battery in the service area, thereby can make the greatly shortening of the useful life of battery than designing requirement.
Six, existing storage battery is difficult to adapt to the marketization of electric automobile.The use of electric automobile be unable to do without this necessary condition that in time charges the battery easily, batteries of electric automobile under the prior art is long owing to the charging interval, do not meet and obtain in time that electric power energy replenishes and the requirement that makes the convenient use of electric automobile, make using and universal can not the popularization of electric automobile, the development of ev industry is hindered.
Summary of the invention
At the above-mentioned problems in the prior art, the objective of the invention is to design the technical scheme that a kind of accumulator electrode with internal particle movable and production method thereof are provided, electrode particle in this electrode is movably arranged in the electrode frame, and can move on to cell body and charge outward, safeguard.
Described accumulator electrode with internal particle movable, it is characterized in that comprising the electrode frame that is installed in the cell body, pile up mobilizable electrode particle in the electrode frame, cathode particles or anode particle that described electrode particle is made for the solid electrode material, described electrode frame is a network structure, connection setting is stretched out cell body outer input channel, output channel on the electrode frame, also connects on the electrode frame electrode terminal is set.
Described accumulator electrode with internal particle movable is characterized in that described electrode particle comprises particle core, adherent layer, between particle core and the adherent layer clearance layer is set, and the ion channel that runs through evenly is set on the adherent layer.
Described accumulator electrode with internal particle movable is characterized in that described input channel, output channel have angle of inclination up or down, and input critical point, output critical point are set respectively.
Described accumulator electrode with internal particle movable is characterized in that electrode frame adopts metal material, conductive rubber or conductive plastics to make.
Described accumulator electrode with internal particle movable is characterized in that described particle core is a spherical structure, and its diameter is 1-3mm, and described clearance layer thickness is 0.01-0.15mm, and described adherent layer thickness is 0.03-0.21mm.
Described accumulator electrode with internal particle movable is characterized in that described particle core is a cube structure, and its volume is 0.5-15mm
3
Described accumulator electrode with internal particle movable is characterized in that described particle core is that negative electrode or anode solid electrode material are made, and described adherent layer is that electric silica gel is made.
The production method of described accumulator electrode with internal particle movable is characterized in that may further comprise the steps:
1) adopts metal material, conductive rubber or conductive plastics to make cancellated electrode frame, input channel, output channel and electrode terminal are set on the electrode frame;
2) adopt the solid electrode material to make negative electrode or anode electrode particle;
3) under full-closed environment, the electrode particle of making is got final product by piling up in the input channel input electrode frame.
The production method of described accumulator electrode with internal particle movable is characterized in that above-mentioned steps 2) in the electrode particle can adopt following method production: adopt extrusion process that negative electrode or anode solid electrode material are squeezed into negative electrode or anode particle core; Method with spraying plating plates the wax layer that available dewax pouring technology is removed in postchannel process on the particle core surface; Make the adherent layer of full parcel at above-mentioned wax laminar surface with spraying plating process spraying plating electric silica gel, the ion channel that runs through evenly is set on this adherent layer; Remove above-mentioned cured layer with the dewax pouring technology, the space of formation is the clearance layer between particle core and the adherent layer.
The production method of described accumulator electrode with internal particle movable is characterized in that step 2) described in particle core be spherical structure, its diameter is 1-3mm, described clearance layer thickness is 0.01-0.15mm, described adherent layer thickness is 0.03-0.21mm.
Above-mentioned accumulator electrode with internal particle movable and production method thereof, the electrode of having broken storage battery is fixed on the traditional mode of internal storage battery, the electrode particle of this electrode can be input in the cell body easily outside cell body or export outside the cell body, can not only in cell body, charge, and also can move on to cell body and charge outward, safeguard.Its advantage is:
1. can realize the automation that battery electrode is produced.The electrode that adopts said method to make, in the end install before the inner electrode particle, not movable electrode frame is in the production process of storage battery, its shape is to set in advance, be with Battery body in except that the internal electrode particle other various accessories one reinstate full-automatic assembly line production and install, and carry out the plastic housing sealing; The design of electronics particle is unified specification, unified standard, is convenient to produce expeditiously in the environment on the specific streamline, at totally enclosed, safety and environmental protection; And the supporting with it later stage installs also can in totally enclosed environment, and production technology is more economical, convenient, environmental protection.
2. dwindle volume of battery and the quality that alleviates battery.Because the electrode particle in the electrode frame can be movable, so needn't passivation cause that charging and discharging efficiency descend in order to prevent the electrode particle from putting off along with the charging interval, and with the electrode of battery do the bulkiness and the heaviness of trying one's best, it is little and light that the volume of kind electrode and quality can be done relatively.
3. improve the serviceability of battery.Because can change the electrode particle of inside battery often, its electrode particle can be exported at any time on the external proprietary equipment of cell body and safeguard, makes battery electrode be in high performance state all the time.
4. realization quick charge.Because electrode particle of the present invention can be exported cell body and charge outward, this battery has been not limited to the restriction in charging interval in the charging of charging station, the electrode particle can be charged at proprietary charging station in advance, electrical appliance for the need quick charge, charge as electric automobile, only need time a few minutes, just can import charged electrode particle in the cell body rapidly, the same with automobile fuel filler convenient, make ev industry be able to fast development.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of electrode particle;
Among the figure: 1-electrode frame, 2-electrode particle, 201-adherent layer, 202-ion channel, 203-clearance layer, 204-particle core, 3-input channel, 3a-input critical point, 4-output channel, 4a-output critical point, 5-electrode terminal.
Embodiment
The invention will be further described below in conjunction with Figure of description.
As shown in the figure, this accumulator electrode with internal particle movable comprises the electrode frame 1 that is installed in the cell body, pile up mobilizable electrode particle 2 in the electrode frame 1, cathode particles or anode particle that described electrode particle 2 is made for the solid electrode material, described electrode frame 1 is a network structure, connection setting is stretched out cell body outer input channel 3, output channel 4 on the electrode frame 1, also connects on the electrode frame 1 electrode terminal 5 is set.Described input channel 3, output channel 4 have angle of inclination up or down, input critical point 3a, output critical point 4a are set respectively on it, and the size of the caliber of input channel 3, output channel 4 for the individual electrode particle 2 of 3-4 is passed through simultaneously uses the deadweight of particle to make the conveying of electrode particle 2 keep smooth and easy again.Electrode frame 1 adopts cancellated metal material, conductive rubber or conductive plastics to make, and can not only conduct electricity, also in order to make electrolyte pass through electrode frame 1 and 2 reactions of electrode particle.
Described electrode particle 2 comprises particle core 204, adherent layer 201, between particle core 204 and the adherent layer 201 clearance layer 203 is set, and the ion channel 202 that electronics, ion pass through of being convenient to that runs through evenly is set on the adherent layer 201.Described particle core 204 for existing battery electrode or exploitation from now on negative electrode or anode solid electrode material make, be the groundwork part of electrode, be the core of electrode particle 2.Described adherent layer 201 is made for electric silica gel.Input and output are convenient in the unsuitable again adhesion of these electrode particle 2 promptly unsuitable fragmentations like this.The material that clearance layer 203 is set is for the ease of particle core 204 surfaces can react fully with electronics.
Described particle core 204 is a spherical structure, and its diameter is 1-3mm, and described clearance layer 203 thickness are 0.01-0.15mm, and described adherent layer 201 thickness are 0.03-0.21mm.Described particle core 204 is a cube structure, and its volume is 0.5-15mm
3, this particle core 204 also can be made other structure as required.
The production method of this battery terminal may further comprise the steps:
1) adopts metal material, conductive rubber or conductive plastics to make cancellated electrode frame 1, input channel 3, output channel 4 and electrode terminal 5 are set on the electrode frame 1;
2) adopt the solid electrode material to make negative electrode or anode electrode particle 2;
3) under full-closed environment, the electrode particle of making 2 is got final product by piling up in the input channel 3 input electrode frames 1.
Wherein above-mentioned steps 2) electrode particle 2 also can adopt following production method to make: with extrusion process negative electrode or anode solid electrode material are squeezed into negative electrode or anode particle core 204; Method with spraying plating plates the wax layer that available dewax pouring technology is removed on particle core 204 surfaces in postchannel process; Make the adherent layer 201 of full parcel at above-mentioned wax laminar surface with spraying plating process spraying plating electric silica gel, the ion channel 202 that runs through evenly is set on this adherent layer 201; Remove above-mentioned cured layer with the dewax pouring technology, the space of formation is the clearance layer 203 between particle core 204 and the adherent layer 201, and the dewax pouring technology can be with existing physical method and chemical method.
The electrode that adopts said method to make, in the end install before the inner electrode particle 2, not movable electrode frame 1 is in the production process of storage battery, its shape is to set in advance, be with Battery body in except that internal electrode particle 2 other various accessories one reinstate full-automatic assembly line production and install, and carry out the plastic housing sealing; The design of electronics particle 2 is unified specification, unified standard, is convenient to produce expeditiously in the environment on the specific streamline, at totally enclosed, safety and environmental protection; And the supporting with it later stage installs also can in totally enclosed environment, and production technology is more economical, convenient, environmental protection.
Except above-mentioned battery terminal, other various accessories are existing known configurations in the Battery body that relates among the present invention.The storage battery that relates among the present invention can be the storage battery of existing structures such as lead acid accumulator, lithium ion battery.
Active substance for positive electrode of lead-acid accumulator is a brown lead oxide, and negative electrode active material is a lead sponge, and electrolyte is dilution heat of sulfuric acid.Its discharge chemistry reaction generates lead sulfate and water, Pb (negative pole)+PbO for brown lead oxide, lead sponge and electrolyte reaction
2(positive pole)+2H
2SO
4====2PbSO
4+ 2H
2O (exoelectrical reaction); Its charging chemical reaction is that lead sulfate and water are converted into brown lead oxide, lead sponge and dilute sulfuric acid, 2PbSO4+2H
2O====Pb (negative pole)+PbO
2(positive pole)+2H
2SO4 (charging reaction).Lead acid accumulator list lattice rated voltage is 2.0V, and general series connection is for 6V, 12V are used for automobile, the motorcycle initiating illumination is used, single for the general series connection of battery for 48V, 96V, 110 or 220V be used for different occasions.Adopt resistance is extremely low, the few stable components ion of impurity can pass through rubber, PVC, PE or AGM dividing plate in the battery between positive and negative pole plate.
The lithium ion battery lithium is the lightest metal in the world, when constituting battery, and the nearly 4v of output voltage.Lithium ion battery is the novel high-energy storage battery of at first being introduced to the market by Sony corporation of Japan nineteen ninety, and its advantage is the specific energy height, is the highest storage battery of current specific energy, and application has put it in the portable information product.Nineteen ninety-five, Sony is succeeded in developing the lithium-ions battery that is used for electric motor car again, is divided into two types: a kind of is that to be used for pure electric vehicle (EV) capacity be the cylindrical cell of 100Ah, is called the high energy type lithium-ions battery; Another kind is to be used for hybrid vehicle (HEV), and capacity is 22Ah, and 8 are connected into battery module, but its power output is called high power type lithium ion cell for the former 2.7 times.The high energy type battery is on first the lithium-ion electric electrical automobile that was contained in Nissan Motor's exploitation in 1996 (daily output Al-traEV), puts on display in first the international electric motor car exhibition in Beijing.This car 200km that can travel that once charges, F-Zero 120Km/h.Lithium ion battery is generally believed to have following advantage: specific energy is big; The specific power height; Self discharge is little; Memory-less effect; Cycle characteristics is good; But repid discharge, and efficient height; Operating temperature range is wide; Therefore non-environmental-pollutions etc. are expected to enter best electrical source of power ranks of 21 century.Expectation is during 2006～2012 years, and when lithium ion battery further develops, the market share of MH/Ni storage battery will be dwindled, and the lithium ion market share will enlarge.Nickel-hydrogen accumulator and lithium-ions battery are green storage batterys, can not cause secondary pollution because of discarded, and market prospects are preferably arranged.
When the storage battery that the present invention relates to is lead acid accumulator, electrode particle 2 or its particle core 204 adopt lead acid battery positive electrode or negative pole solid material to make in the present patent application, the positive pole that number is equated is respectively charged into different electrode frame 1 interior formation pair of positive and negative with negative electrode particle 2 then, in the cell body a pair or more of positive and negative electrode can be installed as required.Entire electrode frame 1 is fully immersed in the interior dilution heat of sulfuric acid of battery, makes that negative electrode and the anode electrode particle 2 in each electrode frame 1 carries out sufficient chemical reaction with dilution heat of sulfuric acid.When the storage battery that the present invention relates to was other storage battery of existing structures such as lithium ion battery, the raw materials for production of battery terminal, mounting means and reaction principle thereof were corresponding with it in the present patent application.
Claims (10)
1, accumulator electrode with internal particle movable, it is characterized in that comprising the electrode frame (1) that is installed in the cell body, pile up mobilizable electrode particle (2) in the electrode frame (1), cathode particles or anode particle that described electrode particle (2) is made for the solid electrode material, described electrode frame (1) is a network structure, electrode frame (1) goes up to connect to be provided with stretches out cell body outer input channel (3), output channel (4), also connects on the electrode frame (1) electrode terminal (5) is set.
2, accumulator electrode with internal particle movable as claimed in claim 1, it is characterized in that described electrode particle (2) comprises particle core (204), adherent layer (201), between particle core (204) and the adherent layer (201) clearance layer (203) is set, adherent layer (201) is gone up the ion channel (202) that runs through evenly is set.
3, accumulator electrode with internal particle movable as claimed in claim 1 is characterized in that described input channel (3), output channel (4) have angle of inclination up or down, and input critical point (3a), output critical point (4a) are set respectively.
4, accumulator electrode with internal particle movable as claimed in claim 1 is characterized in that electrode frame (1) adopts metal material, conductive rubber or conductive plastics to make.
5, accumulator electrode with internal particle movable as claimed in claim 2, it is characterized in that described particle core (204) is spherical structure, its diameter is 1-3mm, and described clearance layer (203) thickness is 0.01-0.15mm, and described adherent layer (201) thickness is 0.03-0.21mm.
6, accumulator electrode with internal particle movable as claimed in claim 2 is characterized in that described particle core (204) is cube structure, and its volume is 0.5-15mm
3
7, accumulator electrode with internal particle movable as claimed in claim 2 is characterized in that described particle core (204) makes for negative electrode or anode solid electrode material, and described adherent layer (201) is made for electric silica gel.
8, the production method of accumulator electrode with internal particle movable as claimed in claim 1 is characterized in that may further comprise the steps:
1) adopts metal material, conductive rubber or conductive plastics to make cancellated electrode frame (1), input channel (3), output channel (4) and electrode terminal (5) are set on the electrode frame (1);
2) adopt the solid electrode material to make negative electrode or anode electrode particle (2);
3) under full-closed environment, the electrode particle of making (2) is got final product by piling up in input channel (3) the input electrode frame (1).
9, the production method of accumulator electrode with internal particle movable as claimed in claim 2 is characterized in that may further comprise the steps:
1) adopts metal material, conductive rubber or conductive plastics to make cancellated electrode frame (1), input channel (3), output channel (4) and electrode terminal (5) are set on the electrode frame (1);
2) production method of electrode particle (2): adopt extrusion process that negative electrode or anode solid electrode material are squeezed into negative electrode or anode particle core (204); Method with spraying plating plates the wax layer that available dewax pouring technology is removed on particle core (204) surface in postchannel process; Make the adherent layer (201) of full parcel at above-mentioned wax laminar surface with spraying plating process spraying plating electric silica gel, this adherent layer (201) is gone up the ion channel (202) that runs through evenly is set; Remove above-mentioned cured layer with the dewax pouring technology, the space of formation is the clearance layer (203) between particle core (204) and the adherent layer (201);
3) under full-closed environment, the electrode particle of making (2) is got final product by piling up in input channel (3) the input electrode frame (1).
10, the production method of accumulator electrode with internal particle movable as claimed in claim 8 or 9, it is characterized in that step 2) described in particle core (204) for spherical structure, its diameter is 1-3mm, described clearance layer (203) thickness is 0.01-0.15mm, and described adherent layer (201) thickness is 0.03-0.21mm.
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| CNA2008100637442A CN101335342A (en) | 2008-07-30 | 2008-07-30 | Accumulator electrode with internal particle movable and producing process thereof |
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| CNA2008100637442A CN101335342A (en) | 2008-07-30 | 2008-07-30 | Accumulator electrode with internal particle movable and producing process thereof |
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| CN101335342A true CN101335342A (en) | 2008-12-31 |
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| US9548489B2 (en) | 2012-01-30 | 2017-01-17 | Nexeon Ltd. | Composition of SI/C electro active material |
| US10008716B2 (en) | 2012-11-02 | 2018-06-26 | Nexeon Limited | Device and method of forming a device |
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| US10077506B2 (en) | 2011-06-24 | 2018-09-18 | Nexeon Limited | Structured particles |
| US9548489B2 (en) | 2012-01-30 | 2017-01-17 | Nexeon Ltd. | Composition of SI/C electro active material |
| US10388948B2 (en) | 2012-01-30 | 2019-08-20 | Nexeon Limited | Composition of SI/C electro active material |
| CN104137308B (en) * | 2012-02-28 | 2017-08-25 | 奈克松有限公司 | structured silicon particle |
| CN104137308A (en) * | 2012-02-28 | 2014-11-05 | 奈克松有限公司 | Structured silicon particles |
| US10103379B2 (en) | 2012-02-28 | 2018-10-16 | Nexeon Limited | Structured silicon particles |
| US10090513B2 (en) | 2012-06-01 | 2018-10-02 | Nexeon Limited | Method of forming silicon |
| US10008716B2 (en) | 2012-11-02 | 2018-06-26 | Nexeon Limited | Device and method of forming a device |
| US10693134B2 (en) | 2014-04-09 | 2020-06-23 | Nexeon Ltd. | Negative electrode active material for secondary battery and method for manufacturing same |
| US10396355B2 (en) | 2014-04-09 | 2019-08-27 | Nexeon Ltd. | Negative electrode active material for secondary battery and method for manufacturing same |
| US10586976B2 (en) | 2014-04-22 | 2020-03-10 | Nexeon Ltd | Negative electrode active material and lithium secondary battery comprising same |
| US10522824B2 (en) | 2014-07-23 | 2019-12-31 | Nexeon Ltd | Method for preparing silicon-based active material particles for secondary battery and silicon-based active material particles |
| US11196042B2 (en) | 2014-07-23 | 2021-12-07 | Nexeon Ltd | Method for preparing silicon-based active material particles for secondary battery and silicon-based active material particles |
| US10476072B2 (en) | 2014-12-12 | 2019-11-12 | Nexeon Limited | Electrodes for metal-ion batteries |
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