CN101894948B - Method for preparing bag type metal hydride cathode of alkaline storage battery - Google Patents
Method for preparing bag type metal hydride cathode of alkaline storage battery Download PDFInfo
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- CN101894948B CN101894948B CN2010102318148A CN201010231814A CN101894948B CN 101894948 B CN101894948 B CN 101894948B CN 2010102318148 A CN2010102318148 A CN 2010102318148A CN 201010231814 A CN201010231814 A CN 201010231814A CN 101894948 B CN101894948 B CN 101894948B
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- metal hydride
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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
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Abstract
The invention discloses a method for preparing a bag type metal hydride cathode of an alkaline storage battery. The metal hydride cathode comprises a porous nickel-plating steel bag with burrs on one side and a hydrogen storage alloy. The method is characterized by comprising the following steps of: (1) coating a slurry layer which is mixed by the hydrogen storage alloy and an adhesive according to a proportion of 1:0.03-0.07 on the burr side of the porous nickel-plating steel bag; (2) baking the nickel-plating steel band coated with the mixed slurry layer at the temperature of between 50 and 150 DEG C; (3) packaging every two baked coating steel bands in a mode that pore surfaces of the coated cured layers face each other to manufacture a strip electrode plate case; (4) splicing a plurality of strip electrode plate cases to achieve a certain width, and transversely pressing cross strips to synthesize a blank; and (5) spot-welding conductive tabs on the blank through hemming bars and a collector plate to obtain the bag type metal hydride cathode. In the method, the cathode material hydrogen storage alloy is cured on the burr side of the steel bag, and powder leakage and shedding are prevented in the using and manufacturing processes, so that the battery capacity and voltage stability are effectively ensured, and the service life of the battery is over 800 times.
Description
Technical field:
The present invention relates to secondary cell and manufacturing thereof, the preparation method of the bag type metal hydride cathode of alkaline storage battery of particularly a kind of capacitance height, stable operating voltage, long service life.
Background technology:
At present; The cylinder alkaline battery replaces cadmium with metal hydride and does negative pole; But in cadmium nickel pocket type alkaline battery, the carrier of its both positive and negative polarity all adopts a kind of middle part to be evenly equipped with the jagged nickel-plated steel bag of single face of micropore, and its negative or positive electrode material wraps in the strip capsule made from the steel bag; Per then two capsule hole faces carry out drafting relatively; Again several draftings are combined into certain width and extrude band at upper surface and fix, make the electrode blank of required width, after bound edge muscle, spot welding lug become negative current collector.Metal hydride of this structure and preparation method thereof, because the hydrogen bearing alloy granularity of its metal hydride active substances very thin (500-400 order), not through overcuring; And the aperture of perforation steel bag is 0.2mm, and not only the hydrogen bearing alloy particulate can spill from steel bag hole in bag powder process, and when discharging and recharging; As time goes on, also want further refinement, constantly come off; Constantly reduce capacitance and voltage stability, greatly reduce useful life.
Summary of the invention:
Technical scheme of the present invention solves as follows; It comprises one-sided jagged porous nickel-plated steel bag and hydrogen storing alloy powder, it is characterized in that: (1) jagged one side on porous nickel-plated steel bag be coated with one deck by hydrogen storing alloy powder and adhesive according to 1: the pulp layer of the mixed of 0.03-0.07; (2) the above-mentioned nickel plated steel strip that is coated with the mixed pulp bed of material is dried under 50-150 ℃ of temperature; (3) per two coated side of coated steel strip after will drying wraps in together relatively, makes strip shaped electric poles plate box, and (4) are combined into some strip electrode plate boxes certain width and connect horizontal pressure band again and be pressed into blank; (5) with blank through bound edge muscle and collector plate spot welding conduction lug, promptly be the pocket type metal hydride cathode.Above-mentioned adhesive is meant in sodium carboxymethylcellulose, polyvinyl alcohol, Sodium Polyacrylate, carboxyethyl cellulose, polytetrafluoroethylene, the butadiene-styrene rubber at least three kinds mixture.
The present invention is solidificated in steel bag burr one side with negative material hydrogen storage metal powder, in use and manufacture process, can not leak powder and shedding, has guaranteed that effectively battery capacity and voltage are steady, and can reach more than 800 times useful life.
Embodiment:
Embodiment one,
Take by weighing 10KgAB5 type lanthanum rich mischmetal alloyed powder; Its granularity is between the 50-400 order; Add 3% cmc soln 1.2kg, polytetrafluoroethylsolution solution 0.2kg, SBR emulsion 0.6kg then, fully mix the back and use and apply tensile pulp machine to be coated with bar be 15% in porosity; The aperture is on the one-sided burr nickel plated steel strip of the porous of 0.2 * 0.2mm, is 12m by drying channel, the passage length of 5 meters/minute speed through 60-120 ℃; Strip shaped electric poles after the oven dry becomes the electrode pad box through the inclusion apparatus processing relatively continuously by every coated side; Again some strip electrode pole plate boxes are combined into certain width; And be pressed into the pole plate blank by horizontal embossing; Then with the pole plate blank through bound edge muscle and collector plate, the point be welded on the conductive electrode ear, become bag type metal hydride cathode of alkaline storage battery of the present invention.
Embodiment two,
Get 10KgAB5 type lanthanum rich mischmetal alloyed powder, adopt the process identical, also can be processed into bag type metal hydride cathode of alkaline storage battery with embodiment one.
Embodiment three,
Get 10KgAB5 type lanthanum rich mischmetal alloyed powder; Its granularity is between the 50-400 order; Add 3% carboxymethylcellulose sodium solution 1.2Kg, 10% poly-vinyl alcohol solution 0.5Kg, 50% butadiene-styrene rubber 0.6Kg then and after hydrogen storing alloy powder fully mixes; Adopt the process identical, also can be made into the present invention with embodiment one.
Embodiment four,
Get 10KgAB5 type lanthanum rich mischmetal alloyed powder; Its granularity is between the 50-400 order; Add 3% carboxymethylcellulose sodium solution 1.0g, 10% poly-vinyl alcohol solution 0.4Kg, 50% butadiene-styrene rubber 0.6Kg then, gather tetrafluoro solution 0.2Kg, fully mix the back and adopt embodiment 1 identical method also to can be made into these article.
Embodiment five,
Get 10KgAB5 type lanthanum rich mischmetal alloyed powder; Its granularity is between the 50-400 order; Add 3% carboxymethylcellulose sodium solution 1.2Kg, 3% carboxylated fiber cellulose solution 0.6Kg then; 2% sodium polyacrylate solution 0.52Kg is coated in the one-sided burr nickel-plated steel of porous bag burr one side after 50% SBR emulsion 0.32Kg, the abundant mixing, processes product of the present invention by the method for embodiment one.
Claims (2)
1. the preparation method of a bag type metal hydride cathode of alkaline storage battery; It comprises one-sided jagged porous nickel-plated steel bag and hydrogen storing alloy powder, it is characterized in that: (1) jagged one side on porous nickel-plated steel bag be coated with one deck by hydrogen storing alloy powder and adhesive according to 1: the pulp layer of the mixed of 0.03-0.07; (2) the above-mentioned nickel plated steel strip that is coated with the mixed pulp bed of material is dried under 50-150 ℃ of temperature; (3) per two coated side of coated steel strip after will drying wraps in together relatively, makes strip shaped electric poles plate box, and (4) are combined into some strip electrode plate boxes certain width and connect horizontal pressure band again and be pressed into blank; (5) with blank through bound edge muscle and collector plate spot welding conduction lug, promptly be the pocket type metal hydride cathode.
2. the preparation method of a kind of bag type metal hydride cathode of alkaline storage battery as claimed in claim 1 is characterized in that: above-mentioned adhesive is meant in sodium carboxymethylcellulose, polyvinyl alcohol, Sodium Polyacrylate, carboxyethyl cellulose, polytetrafluoroethylene, the butadiene-styrene rubber at least three kinds mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102318148A CN101894948B (en) | 2010-07-15 | 2010-07-15 | Method for preparing bag type metal hydride cathode of alkaline storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102318148A CN101894948B (en) | 2010-07-15 | 2010-07-15 | Method for preparing bag type metal hydride cathode of alkaline storage battery |
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| Publication Number | Publication Date |
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| CN101894948A CN101894948A (en) | 2010-11-24 |
| CN101894948B true CN101894948B (en) | 2012-12-26 |
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| CN2010102318148A Expired - Fee Related CN101894948B (en) | 2010-07-15 | 2010-07-15 | Method for preparing bag type metal hydride cathode of alkaline storage battery |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711642B (en) * | 2018-06-01 | 2020-06-09 | 河南省恒明新能源有限公司 | Single-bag type high-power long-life nickel-hydrogen battery |
| CN108767233B (en) * | 2018-06-01 | 2020-05-19 | 河南省恒明新能源有限公司 | Large-capacity long-life double-bag type hydrogen-nickel battery |
| CN108878786B (en) * | 2018-06-01 | 2021-06-22 | 河南师范大学 | Single-bag type high-power iron-nickel secondary battery and preparation method thereof |
| CN108682901B (en) * | 2018-06-01 | 2020-05-19 | 河南省恒明新能源有限公司 | High-capacity double-bag type iron-nickel battery |
| CN108878806B (en) * | 2018-06-01 | 2021-06-22 | 河南师范大学 | Large-capacity double-bag type zinc-nickel secondary battery and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1369117A (en) * | 1999-08-18 | 2002-09-11 | 魁北克水电公司 | Metal hydride bands and use thereof for storing hydrogen |
| CN1409419A (en) * | 2001-09-28 | 2003-04-09 | 松下电器产业株式会社 | Alkaline accumulator and its producing method |
| CN1556553A (en) * | 2004-01-01 | 2004-12-22 | �Ĵ������Դ�������ι�˾ | Positive negative electrode new type composite high specific energy bag type cadmium nickel alkaline battery |
| CN2824312Y (en) * | 2004-10-26 | 2006-10-04 | 上海申建冶金机电技术有限公司 | High capacity hydrogen storage alloy electrode |
| CN101237065A (en) * | 2007-12-23 | 2008-08-06 | 四川长虹电源有限责任公司 | Built-in maintenance-free cadmium nickel alkalescent accumulator |
| CN201478380U (en) * | 2009-09-04 | 2010-05-19 | 深圳市联科实业有限公司 | Nickel-metal hydride battery pole piece and battery using same |
-
2010
- 2010-07-15 CN CN2010102318148A patent/CN101894948B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1369117A (en) * | 1999-08-18 | 2002-09-11 | 魁北克水电公司 | Metal hydride bands and use thereof for storing hydrogen |
| CN1409419A (en) * | 2001-09-28 | 2003-04-09 | 松下电器产业株式会社 | Alkaline accumulator and its producing method |
| CN1556553A (en) * | 2004-01-01 | 2004-12-22 | �Ĵ������Դ�������ι�˾ | Positive negative electrode new type composite high specific energy bag type cadmium nickel alkaline battery |
| CN2824312Y (en) * | 2004-10-26 | 2006-10-04 | 上海申建冶金机电技术有限公司 | High capacity hydrogen storage alloy electrode |
| CN101237065A (en) * | 2007-12-23 | 2008-08-06 | 四川长虹电源有限责任公司 | Built-in maintenance-free cadmium nickel alkalescent accumulator |
| CN201478380U (en) * | 2009-09-04 | 2010-05-19 | 深圳市联科实业有限公司 | Nickel-metal hydride battery pole piece and battery using same |
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| CN101894948A (en) | 2010-11-24 |
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