CN101820049A - Method for manufacturing supporting body special for coiled cylindrical battery - Google Patents
Method for manufacturing supporting body special for coiled cylindrical battery Download PDFInfo
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- CN101820049A CN101820049A CN201010153133A CN201010153133A CN101820049A CN 101820049 A CN101820049 A CN 101820049A CN 201010153133 A CN201010153133 A CN 201010153133A CN 201010153133 A CN201010153133 A CN 201010153133A CN 101820049 A CN101820049 A CN 101820049A
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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 method for manufacturing a supporting body special for a coiled cylindrical battery. The method comprises the following steps of: A, mixing inorganic non-conducting material powder and an adhesive in a mass ratio of 100:1-5 and performing ball milling on the mixture for 10 to 180 minutes for uniformly mixing; B, putting the uniformly-mixed mixture into a cylindrical mold with upper and lower pistons in a rectangular metal net, compacting and pre-pressing the mixture; and C, pressing the upper piston of the mold downwards to a preset height under the pressure of between 0.5 and 3 MPa/cm2 and keeping the upper piston for 30 to 240 seconds to obtain the supporting body special for the coiled cylindrical battery. The inorganic non-conducting material comprises silicate or aluminum oxide or light ceramic powder. The adhesive is an epoxy resin or an organic silicon adhesive. The metal net is a nickel-plated steel net or a stainless steel net. The method is easy to realize and simple and convenient to operate, and has the advantages of effectively solving the problems of electric core looseness, active substance falling and short circuit existing in a produced coiled cylindrical battery, improving pressure resistance and shock resistance of the battery and prolonging the service life of the battery.
Description
Technical field
The present invention relates to battery and make the field, more specifically relate to a kind of manufacture method of supporting body special for coiled cylindrical battery, can be used for making various types of once, the secondary coiled cylindrical battery.
Background technology
At present, the manufacturing of the coiled cylindrical battery electricity core that existing industry is produced, generally all be from top to bottom or from inside to outside by the sequential volume of positive pole, barrier film, negative pole around forming.And a certain size cylindrical space can be left in the center of electric core behind electric core winding, with the convenient electrolyte that injects, just make electrolyte can be after injection timely wetting whole electric core.Yet the battery of Zhi Zaoing can bring a series of problem like this.The first, electric core winding is inevitable comparatively loosening, contacts defective tightness between the both positive and negative polarity, causes the internal resistance of cell to increase, and makes the current efficiency of battery reduce; The second, because electrode material can come off by certain expansion, the active material of generation, directly reduce the capacity of battery after wetting; The 3rd, because the expansion of electrode, the micro-short circuit or the direct short-circuit that come off and also may cause inside battery of active material, and make battery shorten rapidly useful life; The 4th, battery transportation, in the use all may because vibrations, jolt aggravate the coming off of the becoming flexible of electric core, internal resistance increase, active material, short circuit compression strength is low.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the objective of the invention is to be to provide a kind of manufacture method of supporting body special for coiled cylindrical battery, method is simple, easy and simple to handle, the application of this coiled cylindrical battery supporter, do not influencing battery liquid-filling, under the prerequisite of the effective wetting of electricity core, the electric core that can reduce the coiled cylindrical battery of producing effectively is loosening, active material comes off, problem of short-circuit, thereby the existing problem of battery that makes prior art produce has obtained solving preferably, improved the battery resistance to compression, anti-seismic performance, and make that the battery of being produced can be in stronger vibrations, the environment that jolts keeps down good working order, thereby has prolonged battery useful life.
The present invention is achieved by following technical proposals:
A kind of supporting body special for coiled cylindrical battery, described supporting body special for coiled cylindrical battery comprise that mainly two parts such as inorganic non-conductive material matter cylinder, elongated cylindrical wire netting constitute.
A kind of manufacture method of supporting body special for coiled cylindrical battery the steps include:
Further, the present invention includes following content:
Described a kind of supporting body special for coiled cylindrical battery is characterized in that, described battery case is by two parts: the cylinder that inorganic non-conductive material matter mixes to be pressed into binding agent, rectangle wire netting constitute.
A kind of manufacture method of supporting body special for coiled cylindrical battery the steps include:
The first step is mixed inorganic non-conductive material powder and bonding agent by 100: 1～5 mass ratio, ball milling mixed in 10～180 minutes;
In second step, the above-mentioned compound centering that mixes is placed with in the cylindrical die rectangle wire netting, that have last lower piston jolt ramming, precompressed;
The 3rd step is at 0.5～3.0MPa/cm
2Pressure condition under, the upper piston of mould is pressed to predetermined height, and (decide according to using with the different model battery, high 15～180mm, diameter 3～30mm, Fig. 3 a) kept 30～240 seconds, promptly obtained the cylindrical battery supporting body special.
Described a kind of supporting body special for coiled cylindrical battery is characterized in that: described inorganic non-conductive material powder cylinder comprises any mixture of a kind of in silicate or aluminium oxide or the light ceramics powder or two kinds or three kinds or four kinds.
Described a kind of supporting body special for coiled cylindrical battery is characterized in that: described binding agent is one or both any mixture in epoxy resin or the organic silicon adhesive.
Described a kind of supporting body special for coiled cylindrical battery is characterized in that: described wire netting is nickel plating steel mesh or stainless (steel) wire.
Adopt technical scheme of the present invention, can obtain following obvious effects: with technical solution of the present invention coiled cylindrical battery that supporting body special is produced, because adopted that insulation property are good, the inorganic non-conductive material that certain intensity is arranged and the supporter that can constitute with the wire netting of battery cover welding, thereby solve effectively that existing coiled cylindrical battery electricity core is loosening, the both positive and negative polarity contact not closely, micro-short circuit, short circuit, internal resistance is big, the life-span is short and condition such as sharp pounding under a series of problems of operate as normal or inefficacy etc. preferably.
Adopt the coiled cylindrical battery of supporter manufacturing of the invention of technique scheme can be under than the environment of strenuous vibration operate as normal, and can make positive/negative plate contact closely reduce the internal resistance of battery effectively, reduce electrode active material and come off, improve active material utilization, reduce the possibility of micro-short circuit or short circuit, improve battery compression strength performance; The specific discharge capacity of the coiled cylindrical AAA Ni-MH battery that the supporter of use the technology of the present invention manufacturing is produced improves more than 30%, recycles the life-span raising more than 35%.
The present invention is applicable to the coiled cylindrical battery of all kinds, various models.
Description of drawings
Fig. 1 is a kind of supporting body special for coiled cylindrical battery mould compacting schematic diagram;
Fig. 2 is a kind of supporting body special for coiled cylindrical battery structural representation;
Fig. 3 a is positive cross-sectional schematic of a kind of supporting body special for coiled cylindrical battery and size;
Fig. 3 b is a kind of supporting body special for coiled cylindrical battery side cross-sectional schematic;
Fig. 4 is for using the coiled cylindrical AAA nickel-hydrogen battery structure schematic diagram of supporting body special for coiled cylindrical battery;
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1:
A kind of manufacture method of supporting body special for coiled cylindrical battery the steps include:
The first step, epoxy resin and organosilicon bonding agent that the inorganic powder mixture that waits silicate, aluminium oxide and the light ceramics powder powder of mass ratio mixing is mixed with equal proportion mix thing, mix by 100: 1 mass ratioes, and ball milling mixed in 10 minutes;
In second step, the above-mentioned compound centering that mixes is placed with in the cylindrical die elongated cylindrical wire netting, that double-piston is up and down arranged (Fig. 1) jolt ramming, precompressed;
The 3rd step is at 3.0MPa/cm
2Pressure condition under, the upper piston of mould is pressed to predetermined height (deciding according to using with the different model battery), kept 240 seconds, promptly obtain cylindrical battery supporting body special (Fig. 2, Fig. 3).
Cylindrical battery supporting body special with present embodiment is made coiled cylindrical AAA ni-mh test cell (Fig. 4), the specific discharge capacity of measuring is 232mAh/g under 0.2C rate charge-discharge condition, cycle life (the charge and discharge cycles number of times when the present invention is lower than design capacity 50% with discharge capacity of the cell is a normative reference, below adopts same normative reference) 508 times; Do not use the specific discharge capacity of cylindrical AAA ni-mh test cell of supporter and cycle life to be respectively 176mAh/g, 370 times; Use the specific discharge capacity and the cycle life of the cylindrical AAA Ni-MH battery of coiled cylindrical battery supporter of the present invention manufacturing, ratio improves 31.8% and 37.2% respectively without the specific discharge capacity and the cycle life of the cylindrical AAA Ni-MH battery of supporter.
Embodiment 2:
A kind of manufacture method of supporting body special for coiled cylindrical battery the steps include:
The first step is mixed silicate with the mass ratio of epoxy resin adhesive by 100: 5, ball milling mixed in 180 minutes;
In second step, the above-mentioned compound centering that mixes is placed with in the cylindrical die rectangle wire netting, that double-piston is up and down arranged (Fig. 1) jolt ramming, precompressed;
The 3rd step is at 1.5MPa/cm
2Pressure condition under, the upper piston of mould is pressed to predetermined height (deciding according to using with the different model battery), kept 30 seconds, promptly obtain cylindrical battery supporting body special (Fig. 2, Fig. 3).
Cylindrical battery supporting body special with present embodiment is made coiled cylindrical AAA ni-mh test cell (Fig. 4), and the specific discharge capacity of measuring is 210mAh/g under 0.5C rate charge-discharge condition, cycle life 541 times; Do not use the specific discharge capacity of cylindrical AAA ni-mh test cell of supporter and cycle life to be respectively 161mAh/g, 400 times; Use the specific discharge capacity and the cycle life of the cylindrical AAA Ni-MH battery of coiled cylindrical battery supporter of the present invention manufacturing, ratio improves 30.4% and 35.2% respectively without the specific discharge capacity and the cycle life of the cylindrical AAA Ni-MH battery of supporter.
Embodiment 3:
A kind of manufacture method of supporting body special for coiled cylindrical battery the steps include:
The first step is mixed the light ceramics powder with the mass ratio of organosilicon bonding agent by 100: 2, ball milling mixed in 90 minutes;
In second step, the above-mentioned compound centering that mixes is placed with in the cylindrical die rectangle wire netting, that double-piston is up and down arranged (Fig. 1) jolt ramming, precompressed;
The 3rd step is at 1.0MPa/cm
2Pressure condition under, the upper piston of mould is pressed to predetermined height (deciding according to using with the different model battery), kept 90 seconds, promptly obtain cylindrical battery supporting body special (Fig. 2, Fig. 3).
Make coiled cylindrical AAA ni-mh test cell with the cylindrical battery supporting body special of present embodiment, the specific discharge capacity of measuring is 229mAh/g under 0.5C rate charge-discharge condition, cycle life 515 times (table 1); Do not use the specific discharge capacity of cylindrical AAA ni-mh test cell of supporter and cycle life to be respectively 173mAh/g, 380 times; Use the specific discharge capacity and the cycle life of the cylindrical AAA Ni-MH battery of coiled cylindrical battery supporter of the present invention manufacturing, ratio improves 32.3% and 35.5% respectively without the specific discharge capacity and the cycle life of the cylindrical AAA Ni-MH battery of supporter.
Embodiment 4:
A kind of manufacture method of supporting body special for coiled cylindrical battery the steps include:
The first step is mixed silicate and the aluminium oxide that waits mass ratio to mix with the mass ratio of organosilicon bonding agent by 100: 3, ball milling mixed in 60 minutes;
In second step, the above-mentioned compound centering that mixes is placed with in the cylindrical die rectangle wire netting, that double-piston is up and down arranged (Fig. 1) jolt ramming, precompressed;
The 3rd step is at 2.0MPa/cm
2Pressure condition under, the upper piston of mould is pressed to predetermined height (deciding according to using with the different model battery), kept 60 seconds, promptly obtain cylindrical battery supporting body special (Fig. 2, Fig. 3).
Cylindrical battery supporting body special with present embodiment is made coiled cylindrical AAA ni-mh test cell (Fig. 4), and the specific discharge capacity of measuring is 211mAh/g under 0.5C rate charge-discharge condition, cycle life 445 times; Do not use the specific discharge capacity of cylindrical AAA ni-mh test cell of supporter and cycle life to be respectively 162mAh/g, 323 times; Use the specific discharge capacity and the cycle life of the cylindrical AAA Ni-MH battery of coiled cylindrical battery supporter of the present invention manufacturing, ratio improves 30.2% and 37.7% respectively without the specific discharge capacity and the cycle life of the cylindrical AAA Ni-MH battery of supporter.
Embodiment 5:
A kind of manufacture method of supporting body special for coiled cylindrical battery the steps include:
The first step is mixed silicate and the light ceramics powder that waits mass ratio to mix with the mass ratio of organosilicon bonding agent by 100: 4, ball milling mixed in 20 minutes;
In second step, the above-mentioned compound centering that mixes is placed with in the cylindrical die rectangle wire netting, that double-piston is up and down arranged (Fig. 1) jolt ramming, precompressed;
The 3rd step is at 1.0MPa/cm
2Pressure condition under, the upper piston of mould is pressed to predetermined height (deciding according to using with the different model battery), kept 200 seconds, promptly obtain cylindrical battery supporting body special (Fig. 2, Fig. 3).
Cylindrical battery supporting body special with present embodiment is made coiled cylindrical AAA ni-mh test cell (Fig. 4), and the specific discharge capacity of measuring is 204mAh/g under 0.5C rate charge-discharge condition, cycle life 389 times; Do not use the specific discharge capacity of cylindrical AAA ni-mh test cell of supporter and cycle life to be respectively 158mAh/g, 288 times; Use the specific discharge capacity and the cycle life of the Ni-MH battery of coiled cylindrical AAA cell support body of the present invention manufacturing, specific discharge capacity and cycle life than without the cylindrical AAA Ni-MH battery of supporter improve 35.4% and 35.0% respectively.
Embodiment 6:
A kind of manufacture method of supporting body special for coiled cylindrical battery the steps include:
The first step is mixed the light ceramics powder with the mass ratio of organosilicon bonding agent by 100: 3, ball milling mixed in 30 minutes;
In second step, the above-mentioned compound centering that mixes is placed with in the cylindrical die rectangle wire netting, that double-piston is up and down arranged (Fig. 1) jolt ramming, precompressed;
The 3rd step is at 1.0MPa/cm
2Pressure condition under, the upper piston of mould is pressed to predetermined height (deciding according to using with the different model battery), kept 120 seconds, promptly obtain cylindrical battery supporting body special (Fig. 2, Fig. 3).
Cylindrical battery supporting body special with present embodiment is made coiled cylindrical AAA ni-mh test cell (Fig. 4), and the specific discharge capacity of measuring is 221mAh/g under 0.5C rate charge-discharge condition, cycle life 396 times; Do not use the specific discharge capacity of cylindrical AAA ni-mh test cell of supporter and cycle life to be respectively 166mAh/g, 292 times; Use the specific discharge capacity and the cycle life of the cylindrical AAA Ni-MH battery of coiled cylindrical battery supporter of the present invention manufacturing, ratio improves 33.1% and 35.6% respectively without the specific discharge capacity and the cycle life of the cylindrical AAA Ni-MH battery of supporter.
Embodiment 7:
A kind of manufacture method of supporting body special for coiled cylindrical battery the steps include:
The first step is mixed silicate powder with the mass ratio of organosilicon bonding agent by 100: 3, ball milling mixed in 30 minutes;
In second step, the above-mentioned compound centering that mixes is placed with in the cylindrical die rectangle wire netting, that double-piston is up and down arranged jolt ramming, precompressed;
The 3rd step is at 1.0MPa/cm
2Pressure condition under, the upper piston of mould is pressed to predetermined height (deciding according to using with the different model battery), kept 60 seconds, promptly obtain cylindrical battery supporting body special (Fig. 2, Fig. 3).
Cylindrical battery supporting body special with present embodiment is made coiled cylindrical AAA ni-mh test cell (Fig. 4), and the specific discharge capacity of measuring is 200mAh/g under 0.5C rate charge-discharge condition, cycle life 423 times; Do not use the specific discharge capacity of cylindrical AAA ni-mh test cell of supporter and cycle life to be respectively 152mAh/g, 311 times; Use the specific discharge capacity and the cycle life of the cylindrical AAA Ni-MH battery of coiled cylindrical battery supporter of the present invention manufacturing, ratio improves 31.5% and 36.0% respectively without the specific discharge capacity and the cycle life of the cylindrical AAA Ni-MH battery of supporter.
Embodiment 8:
A kind of manufacture method of supporting body special for coiled cylindrical battery the steps include:
The first step is mixed alumina powder with the mass ratio of organosilicon bonding agent by 100: 3, ball milling mixed in 50 minutes;
In second step, the above-mentioned compound centering that mixes is placed with in the cylindrical die rectangle wire netting, that double-piston is up and down arranged (Fig. 1) jolt ramming, precompressed;
The 3rd step is at 1.0MPa/cm
2Pressure condition under, the upper piston of mould is pressed to predetermined height (deciding according to using with the different model battery), kept 120 seconds, promptly obtain cylindrical battery supporting body special (Fig. 2, Fig. 3).
Cylindrical battery supporting body special with present embodiment is made coiled cylindrical AAA ni-mh test cell (Fig. 4), and the specific discharge capacity of measuring is 210mAh/g under 0.5C rate charge-discharge condition, cycle life 488 times; Do not use the specific discharge capacity of cylindrical AAA ni-mh test cell of supporter and cycle life to be respectively 160mAh/g, 361 times; Use the specific discharge capacity and the cycle life of the cylindrical AAA Ni-MH battery of coiled cylindrical battery supporter of the present invention manufacturing, ratio improves 31.2% and 35.5% respectively without the specific discharge capacity and the cycle life of the cylindrical AAA Ni-MH battery of supporter.
Yet the above is the preferred embodiments of the present invention only, is not so limits to scope of the present invention, and equivalences that all utilizations description of the present invention is carried out change, all equally within the scope of the present invention.
Table 1 is used and without the performance comparison of the Ni-MH battery of the technology of the present invention manufacturing supporter
Claims (1)
1. the manufacture method of a supporting body special for coiled cylindrical battery the steps include:
A, inorganic non-conductive material powder and bonding agent are mixed by 100: 1～5 mass ratio, ball milling mixed in 10～180 minutes;
B, the above-mentioned compound that mixes is placed the cylindrical die that last lower piston is arranged of rectangle wire netting, jolt ramming, precompressed;
C, at 0.5～3.0MPa/cm
2Pressure condition under, the upper piston of mould is pressed to predetermined height, kept 30～240 seconds, promptly obtain the cylindrical battery supporting body special;
Described inorganic non-conductive material powder comprises any mixture of a kind of in silicate or aluminium oxide or the light ceramics powder or two kinds or three kinds or four kinds;
Described binding agent is one or both any mixture in epoxy resin or the organic silicon adhesive;
Described wire netting is nickel plating steel mesh or stainless (steel) wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101531334A CN101820049B (en) | 2010-04-16 | 2010-04-16 | Method for manufacturing supporting body special for coiled cylindrical battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101531334A CN101820049B (en) | 2010-04-16 | 2010-04-16 | Method for manufacturing supporting body special for coiled cylindrical battery |
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| CN101820049A true CN101820049A (en) | 2010-09-01 |
| CN101820049B CN101820049B (en) | 2012-04-25 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08180848A (en) * | 1994-12-21 | 1996-07-12 | Toray Ind Inc | Battery sealing body and secondary battery using it |
| US6071644A (en) * | 1996-09-30 | 2000-06-06 | Sanyo Electric Co., Ltd. | Metal hydride storage cell and method of producing hydrogen absorbing alloy electrode |
| CN1523700A (en) * | 2003-02-17 | 2004-08-25 | 比亚迪股份有限公司 | Non-aqueous electrolyte lithium secondary battery |
| CN101393995A (en) * | 2007-09-21 | 2009-03-25 | 深圳市比克电池有限公司 | Core of cylindrical battery and method for assembling the core into the battery case |
| CN201349031Y (en) * | 2008-12-22 | 2009-11-18 | 深圳市比克电池有限公司 | Cylindrical battery |
-
2010
- 2010-04-16 CN CN2010101531334A patent/CN101820049B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08180848A (en) * | 1994-12-21 | 1996-07-12 | Toray Ind Inc | Battery sealing body and secondary battery using it |
| US6071644A (en) * | 1996-09-30 | 2000-06-06 | Sanyo Electric Co., Ltd. | Metal hydride storage cell and method of producing hydrogen absorbing alloy electrode |
| CN1523700A (en) * | 2003-02-17 | 2004-08-25 | 比亚迪股份有限公司 | Non-aqueous electrolyte lithium secondary battery |
| CN101393995A (en) * | 2007-09-21 | 2009-03-25 | 深圳市比克电池有限公司 | Core of cylindrical battery and method for assembling the core into the battery case |
| CN201349031Y (en) * | 2008-12-22 | 2009-11-18 | 深圳市比克电池有限公司 | Cylindrical battery |
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| CN101820049B (en) | 2012-04-25 |
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