CN102903972B - A kind of high-capacity nickel-hydrogen battery and preparation method thereof - Google Patents
A kind of high-capacity nickel-hydrogen battery and preparation method thereof Download PDFInfo
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- CN102903972B CN102903972B CN201210405985.7A CN201210405985A CN102903972B CN 102903972 B CN102903972 B CN 102903972B CN 201210405985 A CN201210405985 A CN 201210405985A CN 102903972 B CN102903972 B CN 102903972B
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- nickel
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 16
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000007773 negative electrode material Substances 0.000 claims abstract description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 4
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000012797 qualification Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 13
- 102220042174 rs141655687 Human genes 0.000 description 7
- 102220043159 rs587780996 Human genes 0.000 description 7
- 229910018095 Ni-MH Inorganic materials 0.000 description 6
- 229910018477 Ni—MH Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011530 conductive current collector Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000007581 slurry coating method Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Battery Electrode And Active Subsutance (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The invention belongs to field of energy source materials, particularly relate to a kind of high-capacity nickel-hydrogen battery and preparation method thereof.A kind of high-capacity nickel-hydrogen battery, this battery negative plate, diaphragm paper and positive plate, described negative plate closes negative electrode active material by compacting on base material and obtains, and the size of described negative electrode active material is D10 >=3 μm, D50≤80 μm, D90≤130 μm; And mesh is provided with on base material, the PPI of mesh is 150-1500, and described negative electrode active material is compressed on mesh.The invention has the advantages that: add large current charge ability and high-rate discharge ability, and raw material sources simple to operate is abundant, cost is low, device simple, to produce qualification rate high, is applicable to lot-sizeization and produces.
Description
Technical field
The invention belongs to field of energy source materials, particularly relate to a kind of high-capacity nickel-hydrogen battery and preparation method thereof.
Background technology
For a long time, electric tool market monopolize by nickel-cadmium cell, and cadmium tool hypertoxicity, can cause severe contamination to environment, and Europe in 2006 starts to prohibit cadmium, therefore, develop a kind of high-capacity nickel-hydrogen battery for electric tool, replace nickel-cadmium cell, there are wide market prospects.
The high rate during charging-discharging of Ni-MH battery is subject to the impact of positive pole, negative pole, barrier film and electrolyte etc., the analysis and research of Ni-MH battery impedance are shown: MH/Ni battery impedance 40% derives from negative pole, 30% derives from positive pole, and 20% derives from electrolyte, and other 10% derives from barrier film.So the power characteristic improving battery is basically to reduce battery impedance, the technology being therefore used for reducing every a part of impedance can both improve the power characteristic of battery.
The high power performance of hydrogen-occlussion alloy electrode (negative pole) is except outside the Pass having with storage alloy material for hydrogen used, also directly related with its manufacture craft.
Manufacture craft general is at present paste spread type, by hydrogen-storage alloy powder, additive, binding agent and water be mixed on slurry coating to conductive current collector as nickel foam and perforation nickel plated steel strip, be cut into electrode after oven dry, also referred to as Paste electrodes.But the shortcoming of Paste electrodes is: binding agent hinders three phase boundary, i.e. gas phase (oxygen), liquid phase (electrolyte), the formation of solid phase (hydrogen-storage alloy) and oxygen, in the reduction of alloy surface, cause inner pressure of battery to raise, can not large current charge; Increase the contact resistance between alloying pellet, thus electrode internal resistance is improved.Such manufacture craft greatly reduces the high rate capability of electrode.
Summary of the invention
In order to solve above-mentioned technical problem, an object of the present invention is to provide a kind of high-capacity nickel-hydrogen battery, this battery avoids Paste electrodes binding agent to hinder three phase boundary, causes that interior voltage rise is high, contact resistance increases, reduce large current charge ability and high-rate discharge ability.Another object of the present invention is to provide the preparation method of above-mentioned high-capacity nickel-hydrogen battery.
In order to realize first above-mentioned object, present invention employs following technical scheme:
A kind of high-capacity nickel-hydrogen battery, this battery negative plate, diaphragm paper and positive plate, described negative plate closes negative electrode active material by compacting on base material and obtains, and the size of described negative electrode active material is D10 >=3 μm, D50≤80 μm, D90≤130 μm; And mesh is provided with on base material, the PPI of mesh is 150-1500, and described negative electrode active material is compressed on mesh.
As preferably, the PPI of described mesh is 200 ~ 900.
As preferably, the shape of described mesh is square, rhombus or circle.
As preferably, the metal tape of fine copper, pure nickel, copper alloy or nickel alloy selected by described base material; Or base material selects copper facing, nickel plating, silver-plated or gold-plated metal tape.
As preferably, described substrate surface density is 100-1000g/m
2.
In order to realize second above-mentioned object, present invention employs following technical scheme:
Prepare a method for above-mentioned high-capacity nickel-hydrogen battery, the method comprises the following steps:
1) according to battery size, relate to the size of the positive plate of battery, negative plate and diaphragm paper, and the lug quantity of positive plate, position;
2) according to designing requirement, with machine or manual to positive/negative plate base material by powder in the upper powder amount of design, wherein positive pole can adopt powder on dry method or wet method or wet-dry change;
3) cut positive plate, negative plate by design size, weigh, spot welding lug, adhesive tape insulation prevents short circuit;
4) reel on request, the pole group of winding is being filled in battery case;
5) slot rolling is carried out on request;
6) fluid injection is carried out on request;
7) positive pole ear is spoted weld on block;
8) on request battery is sealed;
9) battery is activated, sorting, charging.
The present invention owing to have employed above-mentioned technical scheme, this battery avoids Paste electrodes binding agent to hinder three phase boundary, causes that interior voltage rise is high, contact resistance increases, reduce large current charge ability and high-rate discharge ability.And raw material sources simple to operate is abundant, cost is low, device simple, to produce qualification rate high, is applicable to lot-sizeization and produces.
Accompanying drawing explanation
Fig. 1 is battery structure schematic diagram.
Fig. 2 is PPI (mesh count on 20 × 20mm area) is 150-1500, and surface density is the fine copper of 100-1000g/m2, pure nickel, copper alloy, the metal tape of nickel alloy or copper facing, nickel plating, silver-plated, gold-plated metal tape.
Fig. 3 is that embodiment 1, AA1400mAh is at 1 multiplying power (1.4A) discharging condition discharge curve.
Fig. 4 is that embodiment 1, AA1400mAh is at 10 multiplying powers (14A) discharging condition discharge curve.
Fig. 5 is that embodiment 2, AA1400mAh is at 1 multiplying power (1.4A) discharging condition discharge curve.
Fig. 6 is that embodiment 2, AA1400mAh is at 10 multiplying powers (14A) discharging condition discharge curve.
Fig. 7 is that embodiment 3, AA1400mAh is at 1 multiplying power (1.4A) and 10 multiplying powers (14A) discharging condition discharge curve.
Fig. 8 is that embodiment 4, AA1400mAh is at 1 multiplying power (1.4A) and 10 multiplying powers (14A) discharging condition discharge curve.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
Column secondary battery as shown in Figure 1, the typical main production process of this secondary cell is:
1) according to battery size, relate to the size of the positive plate 2 of battery, negative plate 1 and diaphragm paper 3, and lug 5 quantity of positive plate 2, position;
2) according to designing requirement, with powder on machine or manual upper powder amount of positive/negative plate 1 base material being pressed to design, wherein positive pole can adopt powder on dry method or wet method or wet-dry change, the size of negative alloy powder is D10>=3 μm, D50≤80 μm, D90≤130 μm, base material of cathode surface density is 100-1000g/m
2fine copper, pure nickel, copper alloy, the metal tape of nickel alloy or copper facing, nickel plating, silver-plated, gold-plated metal tape, as shown in Figure 2, base material is provided with mesh 6, and the PPI (mesh count on 20 × 20mm area) of mesh 6 is 150-1500;
3) cut positive and negative pole plate 1 by design size, weigh, spot welding lug 5, adhesive tape insulation prevent short circuit;
4) reel on request, the pole group of winding is being filled in battery case 4;
5) slot rolling is carried out on request;
6) fluid injection is carried out on request;
7) positive pole ear 5 is spoted weld on block;
8) on request battery is sealed;
9) battery is activated, sorting, charging.
embodiment 1
Employing battery nominal capacity is the AA type Ni-MH battery of 1400mAh, and base material of cathode is 400PPI, 400g/m
2copper mesh, the size of alloyed powder is adopted as D10>=4 μm respectively, D50=40 μm, D90=80 μm and D10>=16 μm, and D50=60 μm, D90=110 μm, two kinds of all the other manufacture methods of battery are identical.The discharge curve comparative result of two kinds of batteries under 1 multiplying power (1.4A) discharging current condition is shown in Fig. 3, and the discharge curve comparative result of two kinds of batteries under 10 multiplying powers (14A) discharging current condition is shown in Fig. 4.As seen from the figure, two kinds of battery 1 rate discharge characteristic are more or less the same, but D10 >=4 μm, and the high-multiplying-power discharge performance of the battery of D50=40 μm, D90=80 μm is much higher than D10 >=16 μm, D50=55 μm, D90=110 μm of battery.
embodiment 2
Employing battery nominal capacity is the AA type Ni-MH battery of 1400mAh, and the size of alloyed powder is D10 >=4 μm, D50=40 μm, D90=80 μm, and base material of cathode adopts the copper mesh of 400PPI and 200PPI respectively, and two kinds of all the other manufacture methods of battery are identical.The discharge curve comparative result of two kinds of batteries under 1 multiplying power (1.4A) discharging current condition is shown in Fig. 5, and the discharge curve comparative result of two kinds of batteries under 10 multiplying powers (14A) discharging current condition is shown in Fig. 6.As seen from the figure, 1 multiplying power of the battery of 400PPI and high-multiplying-power discharge performance are all far above 200PPI battery.
embodiment 3
Employing battery nominal capacity is the AA type Ni-MH battery of 1400mAh, and the size of alloyed powder is D10 >=19 μm, and D50=58 μm, D90=120 μm, base material of cathode adopts the copper mesh of 200PPI respectively.The discharge curve of battery under 1 multiplying power (1.4A), 10 multiplying powers (14A) discharging current condition is shown in Fig. 7.
embodiment 4
Employing battery nominal capacity is the AA type Ni-MH battery of 1400mAh, and the size of alloyed powder is D10 >=9 μm, and D50=35 μm, D90=65 μm, base material of cathode adopts the copper mesh of 900PPI respectively.The discharge curve of battery under 1 multiplying power (1.4A), 10 multiplying powers (14A) discharging current condition is shown in Fig. 8.
Claims (5)
1. the preparation method of a high-capacity nickel-hydrogen battery, this battery negative plate, diaphragm paper and positive plate, described negative plate obtains by base material being suppressed negative electrode active material, it is characterized in that: the size of negative electrode active material is D10 >=3 μm, D50≤80 μm, D90≤130 μm; And mesh is provided with on base material, the PPI of mesh is 400-1500, and described negative electrode active material is compressed on mesh; The method comprises the following steps:
1) according to battery size, the size of the design positive plate of battery, negative plate and diaphragm paper, and the lug quantity of positive plate, position;
2) according to designing requirement, with machine or manual to positive/negative plate base material by powder in the upper powder amount of design, wherein positive pole can adopt powder on dry method or wet method or wet-dry change;
3) cut positive plate, negative plate by design size, weigh, spot welding lug, adhesive tape insulation prevents short circuit;
4) reel on request, then the pole group of winding is filled in battery case;
5) slot rolling is carried out on request;
6) fluid injection is carried out on request;
7) positive pole ear is spoted weld on block;
8) on request battery is sealed;
9) battery is activated, sorting, charging.
2. the preparation method of a kind of high-capacity nickel-hydrogen battery according to claim 1, is characterized in that: the PPI of mesh is 400 ~ 900.
3. the preparation method of a kind of high-capacity nickel-hydrogen battery according to claim 1 and 2, is characterized in that: the shape of mesh is square, rhombus or circle.
4. the preparation method of a kind of high-capacity nickel-hydrogen battery according to claim 1, is characterized in that: the metal tape of fine copper, pure nickel, copper alloy or nickel alloy selected by base material; Or base material selects copper facing, nickel plating, silver-plated or gold-plated metal tape.
5. the preparation method of a kind of high-capacity nickel-hydrogen battery according to claim 1, is characterized in that: the surface density of base material is 100-1000g/m
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210405985.7A CN102903972B (en) | 2012-10-23 | 2012-10-23 | A kind of high-capacity nickel-hydrogen battery and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210405985.7A CN102903972B (en) | 2012-10-23 | 2012-10-23 | A kind of high-capacity nickel-hydrogen battery and preparation method thereof |
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| CN102903972A CN102903972A (en) | 2013-01-30 |
| CN102903972B true CN102903972B (en) | 2015-09-02 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1220498A (en) * | 1997-12-19 | 1999-06-23 | 王纪三 | Electrode of charging battery and method and equipment for making electrode |
| CN1290971A (en) * | 1999-09-30 | 2001-04-11 | 三洋电机株式会社 | Alkaline accumulator and its producing method |
| CN1399361A (en) * | 2001-06-21 | 2003-02-26 | 松下电器产业株式会社 | Hydrogen-storing alloy electrode |
| CN1834272A (en) * | 2006-04-18 | 2006-09-20 | 英可高新技术材料（大连）有限公司 | Elliptic hole type multiporous metallic material and mfg. technique |
| CN203134918U (en) * | 2012-10-23 | 2013-08-14 | 浙江凯恩电池有限公司 | High-power nickel-metal hydride battery |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000357519A (en) * | 1999-06-15 | 2000-12-26 | Katayama Tokushu Kogyo Kk | Porous metal body, battery electrode plate made of the body, and battery having the electrode plate |
| WO2006080174A1 (en) * | 2005-01-06 | 2006-08-03 | Matsushita Electric Industrial Co., Ltd. | Alkaline storage battery |
-
2012
- 2012-10-23 CN CN201210405985.7A patent/CN102903972B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1220498A (en) * | 1997-12-19 | 1999-06-23 | 王纪三 | Electrode of charging battery and method and equipment for making electrode |
| CN1290971A (en) * | 1999-09-30 | 2001-04-11 | 三洋电机株式会社 | Alkaline accumulator and its producing method |
| CN1399361A (en) * | 2001-06-21 | 2003-02-26 | 松下电器产业株式会社 | Hydrogen-storing alloy electrode |
| CN1834272A (en) * | 2006-04-18 | 2006-09-20 | 英可高新技术材料（大连）有限公司 | Elliptic hole type multiporous metallic material and mfg. technique |
| CN203134918U (en) * | 2012-10-23 | 2013-08-14 | 浙江凯恩电池有限公司 | High-power nickel-metal hydride battery |
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| CN102903972A (en) | 2013-01-30 |
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Inventor after: Wang Bailang Inventor after: Pan Hongge Inventor after: Gao Mingxia Inventor before: Wang Bailang Inventor before: Gao Mingxia Inventor before: Liu Yongfeng Inventor before: Chen Jing Inventor before: Feng Ran |
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