CN207834425U - A kind of high temperature fast charge Ni-MH power cell - Google Patents
A kind of high temperature fast charge Ni-MH power cell Download PDFInfo
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- CN207834425U CN207834425U CN201820019337.0U CN201820019337U CN207834425U CN 207834425 U CN207834425 U CN 207834425U CN 201820019337 U CN201820019337 U CN 201820019337U CN 207834425 U CN207834425 U CN 207834425U
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- 229910018095 Ni-MH Inorganic materials 0.000 title abstract 4
- 229910018477 Ni—MH Inorganic materials 0.000 title abstract 4
- 238000009792 diffusion process Methods 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 239000012528 membrane Substances 0.000 claims abstract description 19
- 239000003792 electrolyte Substances 0.000 claims abstract description 14
- 239000001257 hydrogen Substances 0.000 claims description 48
- 229910052739 hydrogen Inorganic materials 0.000 claims description 48
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 18
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 18
- ZIKATJAYWZUJPY-UHFFFAOYSA-N thulium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Tm+3].[Tm+3] ZIKATJAYWZUJPY-UHFFFAOYSA-N 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 17
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(II) oxide Inorganic materials [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 16
- IUYLTEAJCNAMJK-UHFFFAOYSA-N cobalt(2+);oxygen(2-) Chemical compound [O-2].[Co+2] IUYLTEAJCNAMJK-UHFFFAOYSA-N 0.000 claims description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 229910045601 alloy Inorganic materials 0.000 claims description 14
- 239000000956 alloy Substances 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 12
- 239000004677 Nylon Substances 0.000 claims description 10
- 229920001778 nylon Polymers 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 claims description 9
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 9
- -1 polytetrafluoroethylene Polymers 0.000 claims description 9
- 229910000018 strontium carbonate Inorganic materials 0.000 claims description 9
- 239000011787 zinc oxide Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 8
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 8
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 8
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 8
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 8
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 claims description 8
- 229920000609 methyl cellulose Polymers 0.000 claims description 8
- 239000001923 methylcellulose Substances 0.000 claims description 8
- 235000010981 methylcellulose Nutrition 0.000 claims description 8
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 8
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 8
- 229920000306 polymethylpentene Polymers 0.000 claims description 7
- 239000011116 polymethylpentene Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000001737 promoting effect Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 abstract 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 24
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 12
- 229910052802 copper Inorganic materials 0.000 description 12
- 239000010949 copper Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000000758 substrate Substances 0.000 description 10
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 8
- 229910001863 barium hydroxide Inorganic materials 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 8
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 description 8
- ZOTKGJBKKKVBJZ-UHFFFAOYSA-L cobalt(2+);carbonate Chemical compound [Co+2].[O-]C([O-])=O ZOTKGJBKKKVBJZ-UHFFFAOYSA-L 0.000 description 7
- 229910000001 cobalt(II) carbonate Inorganic materials 0.000 description 7
- 238000001035 drying Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 7
- 239000002131 composite material Substances 0.000 description 6
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 238000009713 electroplating Methods 0.000 description 5
- 238000007731 hot pressing Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 239000008151 electrolyte solution Substances 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000878 H alloy Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 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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- Secondary Cells (AREA)
Abstract
The utility model provides a kind of high temperature fast charge Ni-MH power cell, and the high temperature fast charge Ni-MH power cell includes outer housing, sealing plate, positive plate, efficient diffusion barrier and negative plate；Outer housing is the hollow cylinder of sealed bottom upper opening, sealing plate is equipped with above outer housing, and it is tightly connected by insulated enclosure circle and sealing plate, positive plate, efficient diffusion barrier and negative plate are sequentially overlapped and are wound into cylinder, inside outer housing, positive plate and negative plate are coated with active membrane, make that battery can work normally at high temperature but also quick charge is to meet need of work, and electrolyte is filled in outer housing.High temperature fast charge Ni-MH battery provided by the utility model can work normally after testing in 60 DEG C or less environment, and charging rate is substantially improved, fully charged only to need 1~2 hour, and power battery has extended cycle life under room temperature, and repeated charge number is up to 600 times.
Description
Technical Field
The invention relates to a nickel-hydrogen power battery, in particular to a high-temperature quick-charging nickel-hydrogen power battery.
Background
The power battery generally refers to a secondary battery which has higher capacity and output power capability and can be used as a driving power supply of the electric vehicle. In general, a power battery for a hybrid vehicle performs frequent and shallow charge and discharge cycles. During the charging and discharging process, the voltage and current may change greatly. For such usage characteristics, the hybrid system has the following special requirements for the battery: (1) high power charge and discharge capacity; (2) high charge-discharge efficiency; (3) relative stability.
The positive electrode of the nickel-hydrogen power battery adopts metal nickel hydroxide, and the negative electrode adopts tin-hydrogen alloy. The nickel-hydrogen power battery has many excellent characteristics of no pollution, high specific energy, high power, rapid charge and discharge, durability and the like. Compared with a lead-acid battery, the nickel-hydrogen battery has the characteristics of high specific energy, light weight, small volume and long cycle life; compared with the nickel-cadmium battery, the specific energy is twice of that of the nickel-cadmium battery. Another great advantage is that the nickel-hydrogen battery does not contain toxic metals such as cadmium and lead, and some of the metals have higher recycling value, which can be called green energy. However, the power battery applied to the fields of power automobiles, electric tools and the like has large capacity, which results in long charging time and low charging and discharging efficiency in a high-temperature environment, and influences the use of the battery.
Disclosure of Invention
In order to solve the above-mentioned deficiencies in the prior art, the present invention provides a high-temperature fast-charging nickel-hydrogen power battery to overcome the drawbacks in the prior art.
In order to achieve the above object, the present invention provides a high-temperature fast-charging nickel-hydrogen power battery, which includes: the device comprises a shell, a sealing plate, a positive plate, a high-efficiency diffusion diaphragm and a negative plate; the outer shell is a hollow cylinder with the bottom sealed and the upper opening, a sealing plate is arranged above the outer shell, an anode cap is arranged at the center of the upper surface of the sealing plate in an upward protruding mode, the outer shell is connected with the sealing plate in a sealing mode through an insulating sealing ring, and an anode plate, a high-efficiency diffusion diaphragm and a cathode plate are sequentially overlapped and wound into a cylinder and are arranged inside the outer shell; the high-efficiency diffusion diaphragm is sequentially provided with a bottom layer film, an intermediate layer film and an outer layer film from inside to outside, a plurality of first micropores penetrating through the bottom layer film and the outer layer film are uniformly formed on the bottom layer film and the outer layer film, and a plurality of second micropores penetrating through the intermediate layer film are uniformly formed on the intermediate layer film; the upper edge of the positive plate is welded with a positive current collecting device which is electrically connected with the positive cap; the lower edge of the negative plate is welded with a plurality of same negative pole lugs, the negative pole lugs are electrically connected with the inner bottom of the outer shell, and the high-efficiency diffusion diaphragm is a wavy folded film; the anode substrate of the anode plate is annularly plated with an anode active film, the anode active film is sequentially provided with a first layer, a second layer, a third layer, a fourth layer and a fifth layer from inside to outside, the first layer is an anode discharge active film, the second layer is an anode high-temperature resistant active film, the third layer is an anode charge promoting active film, the fourth layer is an anode conductive active film, and the fifth layer is an anode protective film; the cathode substrate is a copper sheet, a cathode active film is annularly plated on the cathode substrate of the cathode sheet, the cathode active film is respectively a bottom layer, an intermediate layer and an outermost layer from inside to outside, the bottom layer is a cathode high-temperature rapid-charging alloy film, the intermediate layer is a cathode conductive active film, and the outermost layer is a cathode protective film; the negative electrode substrate is a copper mesh with the mesh size of 180-200, and electrolyte is filled in the outer shell. Therefore, the anode active film and the cathode active film enable the power battery to work normally at high temperature and charge rapidly to meet the working requirement, the rapid charging is 20-30% of the conventional charging time, the electric quantity can be charged to 80-100%,
as a further description of the high-temperature rapid-charging nickel-hydrogen power battery of the present invention, preferably, the positive current collecting device includes a plurality of identical positive electrode tabs, one end of each of the identical positive electrode tabs is welded to the edge of the positive electrode tab, the other end of each of the identical positive electrode tabs is welded to a current collecting piece, a flow deflector is welded to the middle of the current collecting piece, and the flow deflector is electrically connected to the positive electrode cap.
As a further description of the high-temperature rapid-charging nickel-hydrogen power battery, preferably, the thickness of the positive active film is 1.25-2.25 mm, and the thicknesses of the first layer, the second layer, the third layer, the fourth layer and the fifth layer are 0.25-0.45 mm respectively.
As a further description of the high-temperature rapid-charging nickel-hydrogen power battery of the present invention, preferably, the positive electrode discharge active film is made of nano-nickel hydroxide, the positive electrode high-temperature resistant active film is made of zinc oxide and thulium oxide, the positive electrode charge promoting active film is made of calcium sulfate, yttrium oxide and strontium carbonate, the positive electrode conductive active film is made of at least one of cobaltous hydroxide, cobaltous oxide and graphite powder, and the positive electrode protection film is made of at least one of polytetrafluoroethylene, polyvinyl alcohol and polyurethane. More preferably, the positive electrode discharge active film is made of 30-40 parts by weight of nano nickel hydroxide, the positive electrode high temperature resistant active film is made of 5-7 parts by weight of zinc oxide and 3-4 parts by weight of thulium oxide, the positive electrode charge promoting active film is made of 1-2 parts by weight of calcium sulfate, 1.2-1.5 parts by weight of yttrium oxide and 3-5 parts by weight of strontium carbonate, the positive electrode conductive active film is made of at least one of 1.1-1.3 parts by weight of cobalt hydroxide, 1.2-1.7 parts by weight of cobalt oxide and 2.2-2.5 parts by weight of graphite powder, and the positive electrode protective film is made of at least one of 1.5-1.8 parts by weight of polytetrafluoroethylene, 2.2-4 parts by weight of polyvinyl alcohol and 2.3-2.8 parts by weight of polyurethane.
As a further description of the high-temperature rapid-charging nickel-hydrogen power battery, preferably, the thickness of the high-efficiency diffusion diaphragm is 0.15-0.18 mm; the bending radius of the high-efficiency diffusion diaphragm is 0.5-2 mm.
As a further description of the high-temperature rapid-charging nickel-hydrogen power battery, preferably, the pore diameter of the first micropores is 3-15 micrometers, and the pore diameter of the second micropores is 5-20 micrometers.
As a further description of the high-temperature rapid-charging nickel-hydrogen power battery of the present invention, preferably, the bottom layer membrane and the outer layer membrane are made of sulfonated polypropylene-nylon resin, and the middle layer membrane is made of polymethylpentene resin.
As a further description of the high-temperature rapid-charging nickel-hydrogen power battery, preferably, the thickness of the negative active film is 0.75-1.35 mm, and the thicknesses of the bottom layer, the middle layer and the outermost layer are 0.25-0.45 mm respectively.
As a further description of the high-temperature fast-charging nickel-hydrogen power battery of the invention, preferably, the negative electrode high-temperature fast-charging alloy film is made of CeMg (NiAlFeMn)0.5The negative conductive active film is made of at least one of carbonyl nickel powder, cobaltous oxide and cobaltous carbonate, and the negative protective film is made of at least one of carboxymethyl cellulose, methyl cellulose and sodium polyacrylate. More preferably, the negative electrode high-temperature fast-charging alloy film consists of 45-55 parts by weight of CeMg (NiAlFeMn)0.5The negative conductive active film is made of an alloy, the negative conductive active film is made of at least one of 1.5-1.7 parts by weight of carbonyl nickel powder, 0.5-0.8 part by weight of cobaltous oxide and 1-2 parts by weight of cobaltous carbonate, and the negative protective film is made of at least one of 0.3-0.5 part by weight of carboxymethyl cellulose, 1.2-1.4 parts by weight of methyl cellulose and 2-2.5 parts by weight of sodium polyacrylate.
The invention also provides a preparation method of the high-temperature quick-charging nickel-hydrogen power battery, which comprises the following steps:
step 1), manufacturing a positive plate:
respectively electroplating at least one of nickel hydroxide, zinc oxide, thulium oxide, calcium sulfate, yttrium oxide, strontium carbonate, cobaltous hydroxide, cobaltous oxide and graphite powder and at least one of polytetrafluoroethylene, polyvinyl alcohol and polyurethane on a positive electrode substrate, drying by a dryer, rolling by a sheeting roller, slicing by a slicing machine, and welding a positive electrode current collecting device to obtain a positive electrode sheet;
step 2), manufacturing a negative plate:
respectively mixing CeMg (NiAlFeMn)0.5Electroplating an alloy, at least one of carbonyl nickel powder, cobaltous oxide and cobaltous carbonate, and at least one of carboxymethyl cellulose, methyl cellulose and sodium polyacrylate on a negative electrode substrate, drying by a dryer, rolling by a tabletting roller, slicing by a slicer, and welding a negative electrode tab to obtain a negative electrode sheet;
step 3) manufacturing a high-efficiency diffusion diaphragm:
sequentially overlapping the bottom layer film, the middle layer film and the outer layer film, carrying out hot pressing and shaping at 170-200 ℃, and then cutting by a cutting machine to obtain the high-efficiency diffusion diaphragm;
step 4), preparing electrolyte:
dissolving potassium hydroxide, sodium hydroxide, lithium hydroxide, barium hydroxide and sodium tungstate in deionized water, stirring, and cooling at room temperature for 12-24 hours to obtain an electrolyte solution with the composition of 50-70% of potassium hydroxide, 10-15% of sodium hydroxide, 0.5-1% of lithium hydroxide, 0.5-1% of barium hydroxide and 0.1-0.3% of sodium tungstate;
step 5) assembling the battery:
and sequentially overlapping and winding the manufactured positive plate, the efficient diffusion diaphragm and the negative plate into a cylinder, enabling the positive pole lug to be upward and the negative pole lug to be downward, loading the cylinder into the outer shell, filling the manufactured electrolyte into the outer shell, covering the outer shell with a sealing plate to enable the positive pole lug to be electrically connected with a positive cover cap, and sealing the sealing plate with the outer shell by using an insulating sealing ring with a binder.
The high-temperature quick-charging nickel-metal hydride battery provided by the invention can normally work in an environment below 60 ℃ through detection, the charging speed is greatly improved, the full charging only needs 1-2 hours, the cycle life of the power battery is long at normal temperature, and the repeated charging and discharging times can reach 600 times.
Drawings
FIG. 1 is a schematic structural diagram of a high-temperature quick-charging nickel-hydrogen power battery of the invention;
fig. 2 is a schematic diagram of the high-efficiency diffusion diaphragm of the high-temperature quick-charging nickel-hydrogen power battery.
The reference numerals are explained below:
the device comprises an outer shell 1, a sealing plate 2, a positive electrode cap 21, a positive electrode sheet 3, a positive electrode current collecting device 31, a positive electrode tab 311, a current collecting sheet 312, a flow deflector 313, a high-efficiency diffusion diaphragm 4, a negative electrode sheet 5, a negative electrode tab 51, an insulating sealing ring 6 and electrolyte 7.
Detailed Description
To further understand the structure, characteristics and other objects of the present invention, the following detailed description is given with reference to the accompanying preferred embodiments, which are only used to illustrate the technical solutions of the present invention and are not to limit the present invention.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a high-temperature fast-charging nickel-hydrogen power battery of the present invention, where the high-temperature fast-charging nickel-hydrogen power battery includes: the device comprises an outer shell 1, a sealing plate 2, a positive plate 3, a high-efficiency diffusion diaphragm 4 and a negative plate 5; the outer shell 1 is a hollow cylinder with a bottom sealed and an upper opening, the sealing plate 2 is arranged above the outer shell 1, the center of the upper surface of the sealing plate 2 is provided with an anode cap 21 in an upward protruding mode, the outer shell 1 is connected with the sealing plate 2 in a sealing mode through an insulating sealing ring 6, and the anode plate 3, the high-efficiency diffusion diaphragm 4 and the cathode plate 5 are sequentially overlapped and wound into a cylinder and are arranged inside the outer shell 1; the positive electrode current collecting device 31 is welded at the upper edge of the positive electrode piece 3, the positive electrode current collecting device 31 comprises a plurality of same positive electrode tabs 311, one ends of the plurality of same positive electrode tabs are welded at the upper edge of the positive electrode piece 3, the other ends of the plurality of same positive electrode tabs are welded with a current collecting piece 312, a flow deflector 313 is welded at the middle part of the current collecting piece 312, the flow deflector 313 is electrically connected with the positive electrode cap 21, the plurality of same positive electrode tabs collect a plurality of strands of small currents on the current collecting piece at the same time to form large currents, and then the large currents are transmitted to the; the lower edge of the negative plate 5 is welded with a plurality of same negative pole lugs 51, the negative pole lugs are simultaneously electrically connected with the inner bottom of the outer shell 1, and meanwhile, a plurality of strands of current are transmitted outwards to be matched with the positive pole to realize the transmission of large current.
The high-efficiency diffusion diaphragm 4 is a wavy folded film, and is formed by hot-pressing and compounding a bottom layer film, an intermediate layer film and an outer layer film from inside to outside, wherein a plurality of first micropores penetrating through the bottom layer film and the outer layer film are uniformly formed on the bottom layer film and the outer layer film, and a plurality of second micropores penetrating through the intermediate layer film are uniformly formed on the intermediate layer film; the aperture of the first micropore is 3-15 micrometers, and the aperture of the second micropore is 5-20 micrometers; the bottom layer membrane and the outer layer membrane are made of sulfonated polypropylene-nylon resin, and the middle layer membrane is made of polymethylpentene resin; the thickness of the high-efficiency diffusion diaphragm is 0.15-0.18 mm; the bending radius of the high-efficiency diffusion diaphragm is 0.5-2 mm, as shown in figure 2. Because the gas is separated out at high temperature and the gas amount is increased, the micropore structure on the high-efficiency diffusion diaphragm can better permeate gas, thereby improving the charge and discharge efficiency; because the ion concentration of the middle area of the high-efficiency diffusion diaphragm is higher, in order to improve the ion passing rate of the middle area of the battery, the aperture of the second micropore is larger than that of the first micropore, so that enough electrolyte is contained in the polar plate, the concentration polarization is reduced, the internal resistance is reduced, and the discharge time of the battery is prolonged; the bottom layer membrane and the outer layer membrane are made of high-temperature corrosion resistant hydrophilic sulfonated polypropylene-nylon resin membranes, liquid holdup of the high-efficiency diffusion diaphragm can be increased, discharge efficiency is improved, and the middle layer membrane is made of polymethylpentene resin with high strength, so that damage of the high-efficiency diffusion diaphragm is prevented, and short circuit of a battery is avoided. And the corrugated folded membrane can increase the diffusion area of the diaphragm, thereby improving the diffusion rate of ions and improving the charging speed of the battery.
The positive plate 3 is made by circularly plating a positive active film on a positive substrate, the positive substrate is a copper sheet, the positive active film is respectively a first layer, a second layer, a third layer, a fourth layer and a fifth layer from inside to outside, the first layer is a positive discharge active film, the second layer is a positive high-temperature resistant active film, the third layer is a positive charge-promoting active film, the fourth layer is a positive conductive active film, and the fifth layer is a positive protective film; the thickness of the positive active film is 1.25-2.25 mm, and the thicknesses of the first layer, the second layer, the third layer, the fourth layer and the fifth layer are 0.25-0.45 mm respectively. Anodal discharge active membrane is made by nanometer nickel hydroxide, anodal high temperature resistant active membrane is made by zinc oxide and thulium oxide, anodal charging active membrane of promoting is made by calcium sulfate, yttrium oxide and strontium carbonate, anodal conductive active membrane is made by at least one kind in cobaltous hydroxide, cobaltous oxide, the graphite powder, anodal protection film is made by at least one kind in polytetrafluoroethylene, polyvinyl alcohol, the polyurethane. The matrix of the positive plate adopts a copper sheet, so that burrs are not generated in the winding process, the internal short circuit of the battery is avoided, the conductivity of the copper sheet is better than that of foamed nickel, the internal resistance of the power battery can be reduced, and the charging speed is improved; the nano nickel hydroxide particles are reduced in size and increased in specific surface area, so that the diffusion path of positive ions is shortened, the conductivity of the electrode is improved, the reaction impedance of the electrode is reduced, the charging speed can be increased, the discharging current can be increased, and the requirement of a power battery on high current is met; the positive electrode high-temperature-resistant active film prepared from zinc oxide and thulium oxide and the positive electrode charging-promoting active film prepared from calcium sulfate, yttrium oxide and strontium carbonate can improve the oxygen evolution overpotential of the electrode of the power battery in a high-temperature environment, so that the utilization rate of the electrode and the high-temperature performance of the battery are improved, the reaction speed of the electrode and the utilization rate of active substances are improved, the residual capacity is reduced, and the two active films have synergistic effect and cannot interfere with each other; the positive conductive film promotes the conductivity of the electrode and improves the large-current discharge effect of the nickel-hydrogen battery.
The cathode sheet 5 is annularly plated with a cathode active film and is made by annularly plating a cathode active film on a cathode substrate, the cathode substrate is a copper mesh with 180-200 meshes, the cathode active film is respectively a bottom layer, an intermediate layer and an outermost layer from inside to outside, the bottom layer is a cathode high-temperature fast-charging alloy film, the intermediate layer is a cathode conductive active film, and the outermost layer is a cathode protective film; the thickness of the negative active film is 0.75-1.35 mm, and the thickness of the bottom layer, the middle layer and the outermost layer is 0.25-0.45 mm respectively. The negative electrode high-temperature fast-charging alloy film consists of CeMg (NiAlFeMn)0.5The negative conductive active film is made of at least one of carbonyl nickel powder, cobaltous oxide and cobaltous carbonate, and the negative protective film is made of at least one of carboxymethyl cellulose, methyl cellulose and sodium polyacrylate. The addition of iron and manganese elements into the negative high-temperature quick-charging alloy film can promote the discharge of the negative electrode, can not interfere the electrode reaction to influence the service life of the battery, and the Mg element can promote the adsorption of the alloy on hydrogen in a high-temperature environment and improve the charging and discharging efficiency of the power battery in the high-temperature environment; the negative conductive active film promotes the conduction of current and improves the large-current discharge effect of the battery; the negative electrode protective film is used for preventing metal burrs from piercing the efficient diffusion diaphragm to cause short circuit inside the battery.
The positive active film and the negative active film enable the power battery to work normally at high temperature and charge quickly to meet the working requirement; the outer case 1 is also filled with an electrolyte 7. Example 1
Step 1), manufacturing a positive plate:
respectively electroplating 30 g of nickel hydroxide (a first layer with the thickness of 0.25mm), 5 g of zinc oxide and 3 g of thulium oxide (a second layer with the thickness of 0.25mm), 1 g of calcium sulfate, 1.2 g of yttrium oxide and 3 g of strontium carbonate (a third layer with the thickness of 0.25mm), 1.1 g of cobaltous hydroxide, 1.2 g of cobaltous oxide and 2.2 g of graphite powder (a fourth layer with the thickness of 0.25mm), and 1.5 g of polytetrafluoroethylene, 2.2 g of polyvinyl alcohol and 2.3 g of polyurethane (a fifth layer with the thickness of 0.25mm) on a copper sheet in sequence to prepare a positive active tablet with the thickness of 1.25mm, drying by a dryer, rolling by a roller, slicing, and welding a positive current collecting device to prepare a positive tablet;
step 2), manufacturing a negative plate:
respectively adding 45 g of CeMg (NiAlFeMn)0.5An alloy (bottom layer, thickness 0.25mm), 1.5 g of carbonyl nickel powder, 0.5 g of cobaltous oxide and 1 g of cobaltous carbonate (middle layer, thickness 0.25mm), and 0.3 g of carboxymethyl cellulose, 1.2 g of methyl cellulose and 2 g of sodium polyacrylate (outermost layer, thickness 0.25mm) are sequentially electroplated on a 180-mesh copper net to prepare a negative active film with thickness 0.75mm, and after drying by a dryer, rolling by a tabletting roller and slicing by a slicer, a negative tab is welded to prepare a negative plate;
step 3) manufacturing a high-efficiency diffusion diaphragm:
sequentially overlapping a bottom sulfonated polypropylene-nylon resin film with the aperture of 3 microns, a middle polymethylpentene resin film with the aperture of 5 microns and an outer sulfonated polypropylene-nylon resin film with the aperture of 3 microns, carrying out hot pressing and shaping by a hot press at 170 ℃ to obtain a composite film, and cutting the composite film into a proper size by a cutting machine to obtain a 0.15mm efficient diffusion diaphragm;
step 4), preparing electrolyte:
dissolving potassium hydroxide, sodium hydroxide, lithium hydroxide, barium hydroxide and sodium tungstate in deionized water, stirring, and cooling at room temperature for 12 hours to obtain an electrolyte solution with the composition of 50% of potassium hydroxide, 10% of sodium hydroxide, 0.5% of lithium hydroxide, 0.5% of barium hydroxide and 0.1% of sodium tungstate;
step 5) assembling the battery:
and sequentially overlapping and winding the manufactured positive plate, the efficient diffusion diaphragm and the negative plate into a cylinder, enabling the positive pole lug to be upward and the negative pole lug to be downward, loading the cylinder into the outer shell, filling the manufactured electrolyte into the outer shell, covering the outer shell with a sealing plate to enable the positive pole lug to be electrically connected with a positive cover cap, and sealing the sealing plate with the outer shell by using an insulating sealing ring with a binder.
The results of the charge test, the discharge test and the life test of the assembled power battery at room temperature and 60 ℃ respectively, and the time required for the power battery to be fully charged, the discharge rate (full discharge amount/full charge amount) and the number of repeated charge and discharge times are shown in table 1:
table 1 example 1 test results of high temperature rapid charging ni-mh power battery
| Charging time/h | Discharge rate/%) | Number of repeated charging and discharging | |
| At normal temperature | 1 | 95 | 600 |
| 60℃ | 2 | 85 | 450 |
Examples 2 to 4
The following three high-temperature fast-charging nickel-hydrogen power batteries were prepared according to the preparation method of the high-temperature fast-charging nickel-hydrogen power battery of example 1, and the specific experimental results are shown in tables 2 and 3.
Table 2 examples 2-4 electrode compositions for high temperature rapid nickel-hydrogen batteries
Table 3 test results of examples 2-4 high temperature rapid nickel-hydrogen batteries
Example 5
Step 1), manufacturing a positive plate:
respectively electroplating 40 g of nickel hydroxide (a first layer with the thickness of 0.45mm), 7 g of zinc oxide and 4 g of thulium oxide (a second layer with the thickness of 0.45mm), 2 g of calcium sulfate, 1.5 g of yttrium oxide and 5 g of strontium carbonate (a third layer with the thickness of 0.45mm), 1.3 g of cobaltous hydroxide, 1.7 g of cobaltous oxide and 2.5 g of graphite powder (a fourth layer with the thickness of 0.45mm), and 1.8 g of polytetrafluoroethylene, 4 g of polyvinyl alcohol and 2.8 g of polyurethane (a fifth layer with the thickness of 0.45mm) on a copper sheet in sequence to prepare a positive active film with the thickness of 2.25mm, drying by a dryer, rolling by a sheet roller and slicing by a slicing machine, and welding a positive current collecting device to prepare a positive plate;
step 2), manufacturing a negative plate:
respectively mixing 55 g of CeMg (NiAlFeMn)0.5An alloy (bottom layer, thickness 0.45mm), 1.7 g of nickel carbonyl powder, 0.8 g of cobaltous oxide and 2 g of cobaltous carbonate (middle layer, thickness 0.45mm), and 0.5 g of carboxymethyl cellulose, 1.4 g of methyl cellulose, 2.5 g of sodium polyacrylate (outermost layer, thickness 0.45mm) were sequentially electroplated on a 200 mesh copper net to prepare a negative active film with a thickness of 1.35mm, dried by a dryer, rolled by a sheeting roller, sliced by a slicer,welding a negative pole tab to prepare a negative pole piece;
step 3) manufacturing a high-efficiency diffusion diaphragm:
sequentially overlapping a bottom sulfonated polypropylene-nylon resin film with the aperture of 15 microns, a middle polymethylpentene resin film with the aperture of 20 microns and an outer sulfonated polypropylene-nylon resin film with the aperture of 15 microns, carrying out hot pressing and shaping by a hot press at 200 ℃ to obtain a composite film, and cutting the composite film into a proper size by a cutting machine to obtain a 0.18mm efficient diffusion diaphragm;
step 4), preparing electrolyte:
dissolving potassium hydroxide, sodium hydroxide, lithium hydroxide, barium hydroxide and sodium tungstate in deionized water, stirring and cooling at room temperature for 24 hours to obtain an electrolyte solution with the composition of 70% of potassium hydroxide, 15% of sodium hydroxide, 1% of lithium hydroxide, 1% of barium hydroxide and 0.3% of sodium tungstate;
step 5) assembling the battery:
and sequentially overlapping and winding the manufactured positive plate, the efficient diffusion diaphragm and the negative plate into a cylinder, enabling the positive pole lug to be upward and the negative pole lug to be downward, loading the cylinder into the outer shell, filling the manufactured electrolyte into the outer shell, covering the outer shell with a sealing plate to enable the positive pole lug to be electrically connected with a positive cover cap, and sealing the sealing plate with the outer shell by using an insulating sealing ring with a binder.
The results of the charge test, the discharge test and the life test of the assembled power battery at room temperature and 60 ℃ respectively, and the time required for the power battery to be fully charged, the discharge rate (full discharge amount/full charge amount) and the number of repeated charge and discharge times are shown in table 4:
table 4 example 5 test results of high temperature quick charge nickel-hydrogen power battery
| Charging time/h | Discharge rate/%) | Number of repeated charging and discharging | |
| At normal temperature | 1.2 | 92 | 590 |
| 60℃ | 2.1 | 83 | 445 |
Examples 6 to 8
The following three high-temperature fast-charging nickel-hydrogen power batteries were prepared according to the preparation method of the high-temperature fast-charging nickel-hydrogen power battery of example 5, and the specific experimental results are shown in tables 5 and 6.
TABLE 5 electrode compositions of examples 6-8 high temperature fast-charging nickel-hydrogen power batteries
Table 6 test results of examples 6 to 8 high temperature rapid nickel-hydrogen batteries
Example 9
Step 1), manufacturing a positive plate:
respectively electroplating 35 g of nickel hydroxide (a first layer with the thickness of 0.3mm), 6 g of zinc oxide and 3.5 g of thulium oxide (a second layer with the thickness of 0.3mm), 1.5 g of calcium sulfate, 1.3 g of yttrium oxide and 4 g of strontium carbonate (a third layer with the thickness of 0.3mm), 1.2 g of cobaltous hydroxide, 1.5 g of cobaltous oxide and 2.4 g of graphite powder (a fourth layer with the thickness of 0.3mm), as well as 1.6 g of polytetrafluoroethylene, 3 g of polyvinyl alcohol and 2.5 g of polyurethane (a fifth layer with the thickness of 0.3mm) on a copper sheet in sequence to prepare a positive active film with the thickness of 2mm, drying by a dryer, rolling by a roller, slicing, and welding a positive current collecting device to prepare a positive plate;
step 2), manufacturing a negative plate:
50 g of CeMg (NiAlFeMn)0.5An alloy (bottom layer, thickness 0.3mm), 1.6 g of carbonyl nickel powder, 0.7 g of cobaltous oxide and 1.5 g of cobaltous carbonate (middle layer, thickness 0.3mm), and 0.4 g of carboxymethyl cellulose, 1.3 g of methyl cellulose and 2.25 g of sodium polyacrylate (outermost layer, thickness 0.3mm) are sequentially electroplated on a 190-mesh copper net to prepare a negative active film with thickness 0.9mm, and after drying by a dryer, rolling by a sheeting roller and slicing by a slicing machine, a negative electrode tab is welded to prepare a negative electrode sheet;
step 3) manufacturing a high-efficiency diffusion diaphragm:
sequentially overlapping a bottom sulfonated polypropylene-nylon resin film with the aperture of 8 microns, a middle polymethylpentene resin film with the aperture of 15 microns and an outer sulfonated polypropylene-nylon resin film with the aperture of 8 microns, carrying out hot pressing and shaping by a hot press at 190 ℃ to obtain a composite film, and cutting the composite film into a proper size by a cutting machine to obtain a 0.16mm efficient diffusion diaphragm;
step 4), preparing electrolyte:
dissolving potassium hydroxide, sodium hydroxide, lithium hydroxide, barium hydroxide and sodium tungstate in deionized water, stirring, and cooling at room temperature for 18 hours to obtain an electrolyte solution with the composition of 60% of potassium hydroxide, 12% of sodium hydroxide, 0.8% of lithium hydroxide, 0.8% of barium hydroxide and 0.2% of sodium tungstate;
step 5) assembling the battery:
and sequentially overlapping and winding the manufactured positive plate, the efficient diffusion diaphragm and the negative plate into a cylinder, enabling the positive pole lug to be upward and the negative pole lug to be downward, loading the cylinder into the outer shell, filling the manufactured electrolyte into the outer shell, covering the outer shell with a sealing plate to enable the positive pole lug to be electrically connected with a positive cover cap, and sealing the sealing plate with the outer shell by using an insulating sealing ring with a binder.
The results of the charge test, the discharge test, and the life test of the assembled power battery at room temperature and 60 ℃ respectively, and the time required for the power battery to be fully charged, the discharge rate (full discharge amount/full charge amount), and the number of repeated charge and discharge cycles are shown in table 7:
table 7 example 9 test results of high temperature quick charge nickel-hydrogen power battery
| Charging time/h | Discharge rate/%) | Number of repeated charging and discharging | |
| At normal temperature | 0.98 | 95.5 | 607 |
| 60℃ | 1.99 | 85.3 | 455 |
Examples 10 to 12
The following three high-temperature fast-charging nickel-hydrogen power batteries were prepared according to the method for preparing the high-temperature fast-charging nickel-hydrogen power battery of example 9, and the specific experimental results are shown in tables 8 and 9.
TABLE 8 electrode compositions of examples 10-12 high temperature fast-charging nickel-hydrogen power batteries
TABLE 9 test results of examples 10-12 high-temperature quick-charging nickel-hydrogen power batteries
It should be noted that the above summary and the detailed description are intended to demonstrate the practical application of the technical solutions provided by the present invention, and should not be construed as limiting the scope of the present invention. Various modifications, equivalent substitutions, or improvements may be made by those skilled in the art within the spirit and principles of the invention. The scope of the invention is to be determined by the appended claims.
Claims (9)
1. The utility model provides a high temperature fills nickel-hydrogen power battery soon which characterized in that, high temperature fills nickel-hydrogen power battery soon includes: the device comprises an outer shell (1), a sealing plate (2), a positive plate (3), a high-efficiency diffusion diaphragm (4) and a negative plate (5); wherein,
the outer shell (1) is a hollow cylinder with a bottom sealed and an upper opening, a sealing plate (2) is arranged above the outer shell (1), a positive electrode cap (21) is arranged at the center of the upper surface of the sealing plate (2) in an upward protruding mode, the outer shell (1) is connected with the sealing plate (2) in a sealing mode through an insulating sealing ring (6), and a positive electrode sheet (3), a high-efficiency diffusion diaphragm (4) and a negative electrode sheet (5) are sequentially overlapped and wound into a cylinder and are arranged inside the outer shell (1); the high-efficiency diffusion diaphragm (4) is sequentially provided with a bottom layer film, an intermediate layer film and an outer layer film from inside to outside, a plurality of first micropores penetrating through the bottom layer film and the outer layer film are uniformly formed on the bottom layer film and the outer layer film, and a plurality of second micropores penetrating through the intermediate layer film are uniformly formed on the intermediate layer film;
the upper edge of the positive plate (3) is welded with a positive current collecting device (31), and the positive current collecting device (31) is electrically connected with the positive cap (21); a plurality of identical negative pole tabs (51) are welded at the lower edge of the negative pole piece (5), the negative pole tabs are electrically connected with the inner bottom of the outer shell (1), and the high-efficiency diffusion diaphragm (4) is a wavy folded film;
the positive plate (3) is annularly plated with a positive active film, the positive active film is sequentially provided with a first layer, a second layer, a third layer, a fourth layer and a fifth layer from inside to outside, the first layer is a positive discharge active film, the second layer is a positive high-temperature resistant active film, the third layer is a positive charge promoting active film, the fourth layer is a positive conductive active film, and the fifth layer is a positive protective film; the negative plate (5) is annularly plated with a negative active film, the negative active film is respectively a bottom layer, an intermediate layer and an outermost layer from inside to outside, the bottom layer is a negative high-temperature rapid-charging alloy film, the intermediate layer is a negative conductive active film, and the outermost layer is a negative protective film; electrolyte (7) is filled in the outer shell (1).
2. The high-temperature fast-charging nickel-hydrogen power battery as claimed in claim 1, wherein the positive current collecting device (31) comprises a plurality of same positive electrode tabs (311), one ends of the same positive electrode tabs are welded on the upper edge of the positive plate (3), the other ends of the same positive electrode tabs are welded with a current collecting plate (312), a flow deflector (313) is welded in the middle of the current collecting plate (312), and the flow deflector (313) is electrically connected with the positive cap (21).
3. A high-temperature fast-charging nickel-hydrogen power battery as claimed in claim 1, characterized in that the thickness of the positive active film is 1.25-2.25 mm, and the thickness of the first layer, the second layer, the third layer, the fourth layer and the fifth layer is 0.25-0.45 mm respectively.
4. A high temperature fast charging nickel-hydrogen power battery as claimed in claim 3, characterized in that the positive electrode discharging active film is made of nano-nickel hydroxide, the positive electrode high temperature resistant active film is made of zinc oxide and thulium oxide, the positive electrode charging promoting active film is made of calcium sulfate, yttrium oxide and strontium carbonate, the positive electrode conductive active film is made of at least one of cobaltous hydroxide, cobaltous oxide and graphite powder, and the positive electrode protection film is made of at least one of polytetrafluoroethylene, polyvinyl alcohol and polyurethane.
5. A high-temperature quick-charging nickel-hydrogen power battery as claimed in claim 1, wherein the thickness of the high-efficiency diffusion diaphragm is 0.15-0.18 mm; the bending radius of the high-efficiency diffusion diaphragm is 0.5-2 mm.
6. A high-temperature quick-charging nickel-hydrogen power battery as claimed in claim 5, characterized in that the aperture of the first micropores is 3-15 microns, and the aperture of the second micropores is 5-20 microns.
7. A high temperature fast-charging nickel-hydrogen power battery as claimed in claim 5, characterized in that the bottom layer membrane and the outer layer membrane are made of sulfonated polypropylene-nylon resin, and the middle layer membrane is made of polymethylpentene resin.
8. A high-temperature rapid-charging nickel-hydrogen power battery as claimed in claim 1, wherein the thickness of the negative active film is 0.75-1.35 mm, and the thickness of the bottom layer, the middle layer and the outermost layer is 0.25-0.45 mm respectively.
9. The high-temperature fast-charging nickel-hydrogen power battery as claimed in claim 8, wherein the negative electrode high-temperature fast-charging alloy film is made of CeMg (NiAlFeMn)0.5The negative conductive active film is made of nickel carbonyl powder, cobaltous oxide,The negative electrode protective film is made of at least one of carboxymethyl cellulose, methyl cellulose and sodium polyacrylate.
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| CN108054328B (en) * | 2018-01-05 | 2023-11-07 | 泉州劲鑫电子有限公司 | High-temperature quick-charging nickel-hydrogen power battery and preparation method thereof |
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