CN101882682A - Method for manufacturing flexible cathode electrode sheet - Google Patents
Method for manufacturing flexible cathode electrode sheet Download PDFInfo
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- CN101882682A CN101882682A CN2009101372956A CN200910137295A CN101882682A CN 101882682 A CN101882682 A CN 101882682A CN 2009101372956 A CN2009101372956 A CN 2009101372956A CN 200910137295 A CN200910137295 A CN 200910137295A CN 101882682 A CN101882682 A CN 101882682A
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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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The invention relates to a method for manufacturing a flexible cathode electrode sheet. The method comprises the following steps: mixing one carbon powder and one polytetrafluoroethylene solution to obtain a mixture; dewatering, molding and cutting the mixture to obtain sheet bodies with the thickness of 0.2mm to 0.3mm; and then, arranging a current collecting net between two sheet bodies and hot-pressing the current collecting net to obtain the flexible cathode electrode sheet. The cathode electrode sheet prepared by the method has good flexibility. Therefore, the cathode electrode sheet can be in bending fit with various battery containers, so as to facilitate the electrode installation for batteries of various types.
Description
Technical field
The present invention relates to a kind of manufacture method of cathode electrode sheet, particularly relate to a kind of manufacture method of making bent pliability cathode electrode sheet.
Background technology
Battery is more and more wide as the power supply supply utilization of electronic product in recent years, little to the electronic product that uses little electric weight such as calculator, timer greatly to Personal Transporter etc., though so through for many years research and development and evolution, the kind of battery and charging modes are brought in constant renewal in, cause the problem that voltage can not be continual and steady perplexing relevant dealer but be present in the phenomenon that makes electrode produce polarization behind the inside battery chemical reaction always, finish just solving polarization problem until the air cell research and development.
The utilization principle of air cell is that the cathode sheets of battery (anodal absorber) is made for air pole, the kenel of utilizing air pole to be made into permeable watertight makes outside air be able to by entering inside battery and the inside battery electrolytic medium can not leak outside, and inside battery can cause polarization attached to cathode sheets because of the hydrogen that chemical reaction produces, make overpotential rise and output voltage decline, but can take away hydrogen and cause unpolarized function because of air pole sees through airborne oxygen, make cell voltage keep stable and solve battery powered a great problem; But even so the global design of battery is not attained perfect yet, it is the hard formed solid product of a matter that its reason comes from the finished product that cathode sheets completes, if be used in regular shape and do not have all no problems of battery design that any curved surface changes, in case but battery be shaped to round or the air pole cathode sheets use of can't arranging in pairs or groups when having other irregular contour of curved surface, in brief, be that the air pole cathode sheets can't have pliability and cause its utilization to be restricted, so become the difficult problem of strong-willed dealer and relevant research staff's desire solution.
This shows that the manufacture method of above-mentioned existing cathode electrode sheet obviously still has inconvenience and defective, and demands urgently further being improved in method and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and generally do not have appropriate method to address the above problem that this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of manufacture method of flexual cathode electrode sheet newly, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Because the defective that the manufacture method of above-mentioned existing cathode electrode sheet exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of manufacture method of flexual cathode electrode sheet newly, can improve the manufacture method of general existing cathode electrode sheet, make it have more practicality.Through constantly research, design, and, create the present invention who has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
Main purpose of the present invention is, overcome the defective of the manufacture method existence of existing cathode electrode sheet, and a kind of manufacture method of new flexual cathode electrode sheet is provided, but technical problem to be solved be make cathode electrode sheet that this method makes in use the matching battery container bend, with convenient working person the electrode of this battery is installed, is very suitable for practicality.
The object of the invention to solve the technical problems realizes by the following technical solutions.The manufacture method of a kind of flexual cathode electrode sheet that proposes according to the present invention, it may further comprise the steps: blend step, mix a carbon dust and a polytetrafluoroethylsolution solution, obtain a mixture with high-speed stirred; Dehydration comprises this mixture dehydration; Forming step comprises that it is 0.2 to 0.3 millimeter lamellar body that this mixture is made thickness; Cutting step comprises cutting this lamellar body; And heat-press step, be included under the hot pressing condition current collection net is located between two lamellar bodies, to obtain this flexual cathode electrode sheet.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
The manufacture method of aforesaid flexual cathode electrode sheet, the manufacture method of wherein said flexual cathode electrode sheet is in take a step forward spreading step more than having once of forming step.
The manufacture method of aforesaid flexual cathode electrode sheet, the weight ratio of wherein said carbon dust and polytetrafluoroethylene are 1: 6.5.
The manufacture method of aforesaid flexual cathode electrode sheet, the temperature and pressure of wherein said hot pressing condition are respectively 350-380 ℃ and 8-10kg/cm
3
The manufacture method of aforesaid flexual cathode electrode sheet, wherein said current collection net is a copper mesh.
The manufacture method of aforesaid flexual cathode electrode sheet, wherein said dehydration adopt the centrifugal force mode to carry out.
The present invention compared with prior art has tangible advantage and beneficial effect.As known from the above, for achieving the above object, the invention provides a kind of manufacture method of flexual cathode electrode sheet, its step comprises:
Blend step comprises and mixes a carbon dust and a polytetrafluoroethylsolution solution that the companion obtains a mixture with high-speed stirring;
Dehydration comprises this mixture is removed excessive moisture at a high speed with centrifugation;
Forming step comprises the lamellar body that thickness is 0.2 to 0.3 millimeter (mm) is made in this mixture typing spreading;
Cutting step comprises that cutting this lamellar body becomes required form; And
Heat-press step is included under the hot pressing condition current collection net is located between two lamellar bodies, to obtain this flexual cathode electrode sheet.
Preferably, the manufacture method of this flexual cathode electrode sheet is in take a step forward spreading step more than having once of forming step, and this step is constantly to turn down and spreading, makes this mixture form the lamellar body of a desired thickness.
Preferably, the weight ratio of this carbon dust and polytetrafluoroethylene (polytetrafluoro ethylene) is 1: 6.5.
Preferably, the temperature and pressure of this hot pressing condition is respectively 350-380 ℃ and 8-10kg/cm
3
Preferably, this current collection net is a copper mesh.
Utilize said method, this cathode electrode sheet will have good pliability, and therefore when assembling, this cathode electrode sheet can cooperate the battery case of different shaping to bend, and is mounted to the cathode electrode sheet of battery with convenient working person.
By technique scheme, the manufacture method of the flexual cathode electrode sheet of the present invention has following advantage and beneficial effect at least: the cathode electrode sheet that utilizes said method of the present invention to make has good pliability, therefore when assembling, this cathode electrode sheet can cooperate different battery cases to bend, with the convenient electrode that cooperates the battery that is mounted to various different shapings.
In sum, the invention relates to a kind of manufacture method of flexual cathode electrode sheet, it comprises mixing one carbon dust and a polytetrafluoroethylsolution solution, to obtain a mixture, with this mixture dewater, moulding and cutting, to obtain thickness is 0.2 to 0.3 millimeter lamellar body, a current collection net is located at carries out hot pressing between two lamellar bodies then, to obtain this flexual cathode electrode sheet; The cathode electrode sheet that utilizes said method to make has good pliability, and therefore when assembling, this cathode electrode sheet can cooperate different battery cases to bend, with the convenient electrode that cooperates the battery that is mounted to various different shapings.
The present invention has obvious improvement technically, has tangible good effect, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is a processing step flow chart of the present invention.
Fig. 2 is an exploded perspective view of the present invention.
Fig. 3 is a side sectional view of the present invention.
Fig. 4 is the exploded perspective view of the present invention's one water battery.
Fig. 5 is the vertical view cutaway drawing of the present invention's one water battery.
Fig. 6 is the side view cutaway drawing of the present invention's one water battery.
10: housing 11: accommodation chamber
12: opening 13: perforation
14: ring wall 15: opening
16: perforation 20: loam cake
21: magnesium alloy electrode 30: bottom
31: electrode cap 40: cathode electrode sheet
41: current collection net 42: lamellar body
43: electric connection line
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, its embodiment of manufacture method, method, step, feature and the effect thereof of the flexual cathode electrode sheet that foundation the present invention is proposed, describe in detail as after.
Relevant aforementioned and other technology contents, characteristics and effect of the present invention can clearly present in the following detailed description that cooperates with reference to graphic preferred embodiment.For convenience of description, in following embodiment, components identical is represented with identical numbering.
See also shown in Figure 1, the present invention is a kind of manufacture method of flexual cathode electrode sheet, it is to comprise that the mixed weight ratio is 1: 6.5 carbon dust and a polytetrafluoroethylsolution solution (polytetrafluoro ethylene), high-speed stirred is to obtain a mixture, this mixture is placed a centrifuge, to remove redundant moisture; Afterwards, with the spreading constantly of this mixture, and then with this mixture to make thickness be the lamellar body of 0.2 to 0.3 millimeter (mm) and cut, to obtain the lamellar body 40 of required form, at last a current collection net 41 is located between two lamellar bodies 42 (as shown in Figures 2 and 3), and in 350-380 ℃ and 8-10kg/cm
3Hot pressing condition under carry out hot pressing to obtain this flexual cathode electrode sheet.
Other feature and advantage of the present invention can obviously see the following preferable concrete fact and claim.
Utilize the flexual cathode electrode sheet of the method manufacturing of this case to can be applicable to various batteries, thus are manufacture methods of demonstration one flexual cathode electrode sheet in following examples, with and application on battery structure.
Embodiment one: make flexual cathode electrode sheet
The mixed weight ratio is 1: 6.5 carbon dust and a polytetrafluoroethylsolution solution, obtains a mixture with high-speed stirred, this mixture is put in a dewaterer, to remove redundant moisture; Afterwards,, and then this mixture made the lamellar body of thickness 0.3 millimeter (mm) and cut,, at last a copper mesh is located between the lamellar body to obtain the lamellar body of required form with the spreading constantly of this mixture, and in 380 ℃ and 10kg/cm
3Hot pressing condition under carry out hot pressing to obtain a flexual cathode electrode sheet.
Embodiment two: make water battery
See also Fig. 4 to shown in Figure 6, the water electric supply installation of present embodiment comprises a column type housing 10, a loam cake 20, a bottom 30 and a cathode electrode sheet 40.
Has an accommodation chamber 11 in this housing 10, and these housing 10 tops form an opening 12 that is connected with this accommodation chamber 11, this housing 10 forms the perforation 13 that plural number is connected with accommodation chamber 11 respectively at sidewall again, and the bottom of the sidewall of this housing 10 forms a hollow ring wall 14 downwards, these ring wall 14 bottoms form an opening 15, and the side of this ring wall 14 forms a perforation 16.
These loam cake 20 cover caps are on the top of housing 10, and with the opening 12 that seals this housing 10, and this loam cake 20 is provided with a magnesium alloy electrode 21 in centre.
This bottom 30 is located in the opening 15 of ring wall 14 of this housing 10, and this bottom 30 is provided with an electrode cap 31 in centre.
This cathode electrode sheet 40 pastes on the sidewall of housing 10, to seal the perforation 13 of these housing 10 sidewalls, make this accommodation chamber 11 form a confined space, and this cathode electrode sheet 40 has an electric connection line 43, these electric connection line 41 1 ends are connected with this electrode slice 40, the perforation 16 that the other end then passes this ring wall 14 enters this ring wall 14 inside, and connects this electrode cap 31.
During use, the accommodation chamber of this water battery can hold water, to be made for the usefulness of electrolytic medium, forms a complete loop in this water battery and make.(relative configurations, the composition in the water battery and react the problem of non-creation is so will not give unnecessary details
Because this cathode electrode sheet 40 will have good pliability, therefore can cooperate housing 10 to bend and cover in the perforation 13 of housing 10, make the utilization of cathode electrode sheet 40 not be restricted because of the molding surface of battery.
Comprehensive the above because this cathode electrode sheet will have good pliability, this electrode slice can cooperate different battery cases bend when therefore using, and then convenient working person installs, to bring into play the best efficiency in the cathode electrode sheet use.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (6)
1. the manufacture method of a flexual cathode electrode sheet is characterized in that it may further comprise the steps:
Blend step mixes a carbon dust and a polytetrafluoroethylsolution solution, obtains a mixture with high-speed stirred;
Dehydration comprises this mixture dehydration;
Forming step comprises that it is 0.2 to 0.3 millimeter lamellar body that this mixture is made thickness;
Cutting step comprises cutting this lamellar body; And
Heat-press step is included under the hot pressing condition current collection net is located between two lamellar bodies, to obtain this flexual cathode electrode sheet.
2. the manufacture method of flexual cathode electrode sheet according to claim 1, the manufacture method that it is characterized in that wherein said flexual cathode electrode sheet is in take a step forward spreading step more than having once of forming step.
3. the manufacture method of flexual cathode electrode sheet according to claim 1, the weight ratio that it is characterized in that wherein said carbon dust and polytetrafluoroethylene is 1: 6.5.
4. the manufacture method of flexual cathode electrode sheet according to claim 1 is characterized in that the temperature and pressure of wherein said hot pressing condition is respectively 350-380 ℃ and 8-10kg/cm
3
5. the manufacture method of flexual cathode electrode sheet according to claim 1 is characterized in that wherein said current collection net is a copper mesh.
6. the manufacture method of flexual cathode electrode sheet according to claim 1 is characterized in that wherein said dehydration adopts the centrifugal force mode to carry out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101372956A CN101882682A (en) | 2009-05-04 | 2009-05-04 | Method for manufacturing flexible cathode electrode sheet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101372956A CN101882682A (en) | 2009-05-04 | 2009-05-04 | Method for manufacturing flexible cathode electrode sheet |
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| CN101882682A true CN101882682A (en) | 2010-11-10 |
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| CN2009101372956A Pending CN101882682A (en) | 2009-05-04 | 2009-05-04 | Method for manufacturing flexible cathode electrode sheet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903936A (en) * | 2011-07-25 | 2013-01-30 | 协盈电子工业股份有限公司 | Preparation process for flexible cathode electrode sheet with functions of energy saving and carbon reduction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1450677A (en) * | 2002-07-31 | 2003-10-22 | 吉林省华成新能源电控有限公司 | Air electrode |
| CN1529373A (en) * | 2003-09-30 | 2004-09-15 | 华南理工大学 | Pore-forming method of air diffusion electrode of zinc-air battery and pore-forming agent thereof |
| CN1624961A (en) * | 2004-11-11 | 2005-06-08 | 南亚塑胶工业股份有限公司 | Air electrode of multi-layer sintering structure and its manufacturing method |
| CN2932636Y (en) * | 2006-04-11 | 2007-08-08 | 北京长力联合能源技术有限公司 | A zinc-air metal fuel battery oxygen electrode made by way of thermal bonding technique |
-
2009
- 2009-05-04 CN CN2009101372956A patent/CN101882682A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1450677A (en) * | 2002-07-31 | 2003-10-22 | 吉林省华成新能源电控有限公司 | Air electrode |
| CN1529373A (en) * | 2003-09-30 | 2004-09-15 | 华南理工大学 | Pore-forming method of air diffusion electrode of zinc-air battery and pore-forming agent thereof |
| CN1624961A (en) * | 2004-11-11 | 2005-06-08 | 南亚塑胶工业股份有限公司 | Air electrode of multi-layer sintering structure and its manufacturing method |
| CN2932636Y (en) * | 2006-04-11 | 2007-08-08 | 北京长力联合能源技术有限公司 | A zinc-air metal fuel battery oxygen electrode made by way of thermal bonding technique |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903936A (en) * | 2011-07-25 | 2013-01-30 | 协盈电子工业股份有限公司 | Preparation process for flexible cathode electrode sheet with functions of energy saving and carbon reduction |
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Application publication date: 20101110 |