CN103219564B - Bipolar hydrogen nickel battery device - Google Patents
Bipolar hydrogen nickel battery device Download PDFInfo
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- CN103219564B CN103219564B CN201310089201.9A CN201310089201A CN103219564B CN 103219564 B CN103219564 B CN 103219564B CN 201310089201 A CN201310089201 A CN 201310089201A CN 103219564 B CN103219564 B CN 103219564B
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- hydrogen
- composite
- bipolar
- end plate
- active material
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention discloses a bipolar hydrogen nickel battery device, which includes a bipolar battery and a hydrogen storage apparatus. The hydrogen storage apparatus is arranged outside the bipolar battery, and is connected to the bipolar battery through a hydrogen pipeline equipped with a valve. The bipolar battery includes a composite positive end plate, a composite negative end plate and a plurality of composite bipolar plates that connect the two end plates and are arranged side by side. Each composite bipolar plate includes a conductive substrate, and a positive active substance layer and a composite diaphragm that are respectively arranged on two sides of the substrate. One side of the conductive substrate is provided with a hydrogen flow field groove serving as a hydrogen access channel. The head end and tail end of the hydrogen flow field groove are provided with through-holes as air inlets and outlets on the conductive substrate. The composite diaphragm is sticked on one conductive substrate side equipped with the hydrogen flow field groove, and the positive active substance layer is laid on the other side. In the invention, a hydrogen storage alloy is transferred out of the battery, and the electrode polarization is small, the battery voltage is higher, the cost is low, the reliability is high, and control is relatively simple. The specific energy, specific power and life of the battery device are improved.
Description
Technical field
The present invention relates to cell apparatus, specifically refer to a kind of bipolar hydrogen nickel battery device.
Background technology
A kind of novel storage battery that Ni-H cell has been invented since being twentieth century eighties on the basis of nickel-cadmium cell, it does not have the pollution of cadmium, essentially eliminates memory effect, has higher specific energy, is thus widely used.But the self discharge of Ni-H cell is large, and the life-span significantly shortens (about 500 times) than nickel-cadmium cell, makes its development receive restriction, except as except minority electrokinetic cell (electric automobile), it almost replace by lithium ion battery afterwards.
The merits and demerits of Ni-H cell, all because its hydrogen bearing alloy causes.Namely to cause the self discharge of battery serious for the instability of hydrogen bearing alloy in alkaline electrolyte; The burn into efflorescence of hydrogen bearing alloy in alkaline electrolyte and structural deterioration cause the shortening of battery life.If can hydrogen bearing alloy from the interior shifting of battery out, so Ni-H cell problems faced just can be readily solved.
Summary of the invention
The object of the invention is to provide that a kind of hydrogen bearing alloy from the interior shifting of battery out and electrode polarization is little, cell voltage is higher, with low cost, and reliability is high, controls relatively simple bipolar hydrogen nickel battery device.
For achieving the above object, bipolar hydrogen nickel battery device designed by the present invention, comprise bipolar cell and hydrogen-storing device, its special character is: described hydrogen-storing device is arranged on the outside of bipolar cell, described hydrogen-storing device is connected with bipolar cell by valvular Hydrogen Line, and described bipolar cell comprises anode composite end plate, composite negative pole end plate and is connected to the multiple composite dual-electrode plates be arranged side by side between compound positive and negative electrode end plate; Described composite dual-electrode plates comprises electrically-conductive backing plate and is located at positive electrode active material layer and the composite diaphragm of electrically-conductive backing plate both sides respectively, the one side of described electrically-conductive backing plate is provided with the hydrogen flow field groove as hydrogen access way, the two ends of described hydrogen flow field groove offer gas inlet-outlet respectively on electrically-conductive backing plate, and described gas inlet-outlet is through hole; Described composite diaphragm is pasted onto the side that electrically-conductive backing plate is provided with hydrogen flow field groove, described positive electrode active material layer be laid in electrically-conductive backing plate opposite side and cover described gas inlet-outlet; The positive electrode active material layer that described anode composite end plate comprises positive end plate and is laid in positive end plate, described positive end plate is provided with the venthole corresponding with gas inlet-outlet, and described positive electrode active material layer is covered on venthole; The electrically-conductive backing plate that described composite negative pole end plate comprises negative end plate and is laid in negative end plate, described negative end plate is provided with the air admission hole corresponding with gas inlet-outlet, the one side that described electrically-conductive backing plate is provided with hydrogen flow field groove is also provided with composite diaphragm, and is connected with the positive electrode active material layer of adjacent composite dual-electrode plates.
Preferably, between described adjacent anode composite end plate and composite dual-electrode plates, between adjacent composite dual-electrode plates, between composite dual-electrode plates and composite negative pole end plate, be also provided with the sealed insulation frame that the periphery of positive electrode active material layer and composite diaphragm can be sealed; Described sealed insulation frame is the rectangular configuration of arranging along positive electrode active material layer outer rim.
Further, described gas inlet-outlet is provided with insulating washer, and described insulating washer was arranged along the hole week of gas inlet-outlet.
Further, described air admission hole is connected by the hydrogen-storing device of Hydrogen Line with the outside of bipolar cell.
Further, the active material of described positive electrode active material layer is NiOOH.
The invention has the advantages that: one: electrode polarization is little, cell voltage higher (1.2V > 0.8V); Its two: do not need use noble metal catalyst, there is no the constraint of cost and resource; Its three: cheap metal double polar plates can be used, saved cost, improve reliability; Its four: expensive proton exchange membrane need not be used; Its five: there is no complicated water management and heat management, control relatively simple.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the bipolar plate structure schematic diagram that the present invention arranges hydrogen flow field groove.
Fig. 3 is the side-looking structural representation of Fig. 2.
Fig. 4 is the structural representation of composite dual-electrode plates of the present invention.
Fig. 5 is the structural representation that the present invention has added the composite dual-electrode plates of sealed insulation frame and insulating washer.
Fig. 6 is the structural representation of negative end plate of the present invention.
Fig. 7 is the structural representation of composite negative pole end plate of the present invention.
Fig. 8 is the structural representation of positive end plate of the present invention.
Fig. 9 is the structural representation of anode composite end plate of the present invention.
Figure 10 is pile package assembly schematic diagram of the present invention.
In figure: 1, electrically-conductive backing plate, 2, hydrogen flow field groove, 3, gas inlet-outlet, 4, liquid injection hole, 5, positive electrode active material layer, 6, composite diaphragm, 7, anode composite end plate, 8, composite negative pole end plate, 9, positive end plate, 10, sealed insulation frame, 11, negative end plate, 12, insulating washer, 13, hydrogen-storing device, 14, valve, 15, bipolar cell, 16, composite dual-electrode plates, 17, air admission hole, 18, venthole, 19, interim drainage lug, 20, filler plug.
Embodiment
The present invention is further detailed explanation in conjunction with the accompanying drawings and embodiments now.
Bipolar hydrogen nickel battery device as shown in Figure 1, comprise bipolar cell 15 and hydrogen-storing device 13, hydrogen-storing device 13 is arranged on the outside of bipolar cell 15, hydrogen-storing device 13 is connected with bipolar cell 15 by there being the Hydrogen Line of valve 14, bipolar cell 15 comprises anode composite end plate 7, composite negative pole end plate 8 and is connected to compound positive and negative electrode end plate 7, the multiple composite dual-electrode plates 16 be arranged side by side between 8; Composite dual-electrode plates 16 comprises electrically-conductive backing plate 1 and is located at positive electrode active material layer 5 and the composite diaphragm 6 of electrically-conductive backing plate 1 both sides respectively, the one side of electrically-conductive backing plate 1 is provided with the hydrogen flow field groove 2 as hydrogen access way, the two ends of hydrogen flow field groove 2 offer gas inlet-outlet 3 respectively on electrically-conductive backing plate 1, and gas inlet-outlet 3 is through hole; Composite diaphragm 6 is pasted onto the side that electrically-conductive backing plate 1 is provided with hydrogen flow field groove 2, and positive electrode active material layer 5 is laid in the opposite side of electrically-conductive backing plate 1 and blanket gas gateway 3; The positive electrode active material layer 5 that anode composite end plate 7 comprises positive end plate 9 and is laid in positive end plate 9, positive end plate 9 is provided with the venthole 18 corresponding with gas inlet-outlet 3, and positive electrode active material layer 5 is covered on venthole 18; The electrically-conductive backing plate 1 that composite negative pole end plate 8 comprises negative end plate 11 and is laid in negative end plate 11, negative end plate 11 is provided with the air admission hole 17 corresponding with gas inlet-outlet 3, the one side that electrically-conductive backing plate 1 is provided with hydrogen flow field groove 2 is also provided with composite diaphragm 6, and is connected with the positive electrode active material layer 5 of adjacent composite dual-electrode plates 16.
Between adjacent anode composite end plate 7 and composite dual-electrode plates 16, between adjacent composite dual-electrode plates 16, between composite dual-electrode plates 16 and composite negative pole end plate 8, be also provided with the sealed insulation frame 10 that the periphery of positive electrode active material layer 5 and composite diaphragm 6 can be sealed; Sealed insulation frame 10 is the rectangular configuration of arranging along positive electrode active material layer 5 outer rim; Gas inlet-outlet 3 has insulating washer 12, insulating washer 12 was arranged along the hole week of gas inlet-outlet 3; Air admission hole 17 is connected with the hydrogen-storing device 13 of the outside of bipolar cell 15 by Hydrogen Line; The active material of positive electrode active material layer 5 is NiOOH.
Implementation method 1:
1, composite dual-electrode plates 16 is made.With rectangle nickel plate or nickel-clad steel plate for electrically-conductive backing plate 1, thickness is about 0.5mm, wherein remains for the interim drainage lug 19 of drainage in advance, as battery terminal drainage and change into wiring; Except the two panels for terminal drainage, remaining interim drainage lug 19 can be wiped out after having changed into.Completed the processing of hydrogen flow field groove 2 by the method for laser ablation on electrically-conductive backing plate 1 surface, and go out the gas inlet-outlet 4 for hydrogen circulation simultaneously, and surrounding is used for the hole of fastening assembling bolt.After electrically-conductive backing plate 1 making hydrogen flow field groove 2, its back side keeps necessary roughness to be beneficial to laying of positive electrode active material layer 5, wherein the manufacture method of anode active material slurry is prepared burden by a certain percentage at high-density spherical Ni (OH) 2, conductive agent CoO, adhesive carboxymethyl cellulose (CMC) aqueous solution, apply after mixing by appropriate amount of deionized water, then drying, sintering processes is carried out, then change in advance with accompanying plate (corrosion resistant plate) to complete, and carry out cleaning and dry process.Using Raney's nickel or Lei Niyin as catalyst, carry out compound with Ni-H cell polyethylene nonwoven sulfonated membrane, form two-in-one composite diaphragm 6, composite diaphragm 6 is pasted onto side electrically-conductive backing plate 1 being provided with hydrogen flow field groove 2 and makes composite dual-electrode plates 16.
2, anode composite end plate 7, composite negative pole end plate 8 and insulating washer 12 is made: adopt thickness to be about plating nickel on surface corrosion resistant plate or other metallic plates making end plate of 5mm, thickness will meet assembling requirement of strength; Wherein the inner side of composite negative pole end plate 8 pre-sets hydrogen flow field groove 2 and gas inlet-outlet 3.Adopt nylon plastic(s) to make insulated enclosure frame 10, thickness is about 0.2mm, and its length and width size is the same with substrate, and insulated enclosure frame 10 is provided with liquid injection hole 4 and filler plug 20; Ethylene-propylene rubber material is adopted to make insulating washer 12 corresponding to gas inlet-outlet 4 position.
3, assemble bipolar hydrogen nickel battery device: by composite negative pole end plate 8, sealed insulation frame 10(its contain liquid injection hole 4), composite dual-electrode plates, sealed insulation frame 10(its contain liquid injection hole 4), composite dual-electrode plates 16 ... sealed insulation frame 10(its contain liquid injection hole 4), the element such as composite dual-electrode plates 16, anode composite end plate 7 stacks by regulation order successively, then fix with fastening bolt, then with laser, the interface of plastics and metal is welded, keep sealing.Or on sealed insulation frame 10, apply side hot-melt adhesive in advance, after bipolar hydrogen nickel battery device is fastening, under certain heating pressurized conditions, carry out encapsulation process.The pipeline of hydrogen-storing device 13-high pressure compressed hydrogen container band valve 14 and bipolar hydrogen nickel battery device body are coupled together.Adopting vacuum liquid injecting machine, by liquid injection hole 4 reserved on sealed insulation frame 10 to assembling and bipolar hydrogen nickel battery device body quantitative perfusion alkaline electrolyte after sealing, then closing liquid injection hole 4 with filler plug 20.Namely complete the making of bipolar hydrogen nickel battery device, opening valve 14 battery can discharge, and then charges; When battery does not carry out discharge and recharge, valve 14 be barred up.
Implementation method 2:
Make composite dual-electrode plates 16: adopt the mode of mechanical stamping to be the nickel plating stainless steel foil band base material upper punch pressure hydrogen flow field groove 2 of 0.1mm at thickness, and it is for subsequent use to carry out stamping-out by the length and width size that composite dual-electrode plates 16 designs.Adopt one side coating process anode active material slurry to be coated on thickness and be about the nickel plating stainless steel foil side of 0.05mm on the surface, drying is solidified and after sintering processes, it is for subsequent use that the length and width size designed by composite dual-electrode plates 16 carries out stamping-out.Method for laser welding is adopted to be welded together with the nickel plating stainless steel band dorsal part being provided with hydrogen flow field groove 2 by the another side being laid with the nickel plating stainless steel band of positive electrode active material layer 5, composite diaphragm 6 is pasted onto recessed 2 sides of hydrogen flow field again, forms composite dual-electrode plates 16.The manufacture method of other assemblies and the assembling of bipolar hydrogen nickel battery device all can reference example 1 be carried out.
Implementation method 3:
Make composite dual-electrode plates 16: adopt the mode of mechanical stamping to be the nickel plating stainless steel foil band base material upper punch pressure hydrogen flow field groove 2 of 0.1mm at thickness.Spherical Ni (OH) 2, conductive agent CoO and ZnO, adhesive carboxymethyl cellulose (CMC) aqueous solution and PTFE emulsion etc. are prepared burden by a certain percentage, mix by appropriate amount of deionized water and add in emulsion coating machine hopper, slurry on the nickel foam base material being then about 0.5mm at thickness also does drying and processing.By the thick band after oven dry through roller press rolling, be pressed onto standard thickness, and cut into given size.On the surface, after drying solidification and sintering processes, stamping-out is carried out by the length and width size of composite dual-electrode plates 16 design for subsequent use.Adopt method for laser welding foam nickel electrode and the nickel plating stainless steel band dorsal part being provided with hydrogen flow field groove 2 to be welded together, and it is for subsequent use to carry out stamping-out by the length and width size that composite dual-electrode plates 16 designs.Again composite diaphragm 6 is pasted onto hydrogen flow field groove 2 side, forms composite dual-electrode plates 16.The manufacture method of other assemblies and the assembling of bipolar hydrogen nickel battery device all can reference example 1 be carried out.
Operation principle of the present invention is as follows: the present invention is with nickel plate or nickel-clad steel plate for substrate, and one side is positive active material NiOOH, the passage that another side only has recessed runner to pass in and out as hydrogen; Be combined with each other as the Raney's nickel of catalyst or Lei Niyin and nickel-hydrogen battery diaphragm; Whole Battery pack is assembled into pile by the mode of fuel cell, and anode portion leaves the liquid injection hole 4 of perfusion electrolyte, and cathode portion leaves the passage of hydrogen turnover, and this passage receives the hydrogen container of outside by pipeline.Pipeline has solenoid control, the valve closing when battery is shelved, such battery would not have self discharge; Because hydrogen bearing alloy does not contact with alkaline electrolyte, therefore just there is not the problem that corrosion and efflorescence etc. affect battery life, therefore battery life is just only relevant with cathode performance.According to nickel positive pole at dissimilar battery as the use experience in nickel-cadmium cell, nickel iron cell, even if 100%DOD circulation, it also can use more than 5000 times.For hydrogen bearing alloy, owing to isolating with alkali lye, the hydrogen storage material that also can hydrogen-storage density be used without restriction larger, directly can also substitute with High Pressure Hydrogen gas cylinder, even if occur abnormal, also can carry out maintain and replace easily.
Because battery pack is ambipolar structure, eliminate a large amount of interconnects, the internal resistance of battery pack significantly reduces, and its performance parameter such as specific energy and specific power all can be further improved; On every a slice pole plate of battery, every a slice pole plate, electric current distribution is all relatively even, even and if heavy-current discharge current density also can be very little, such battery would not produce unbalanced problem, and the reliability of battery and life-span can be further improved.Such Ni-H cell, is particularly suitable for motor vehicle and stored energy application on a large scale.For electric motor car ship time, battery is directly designed to match with the electric pressure of motor.During for energy storage, available multiple pile parallel connection forms Large Copacity high voltage energy storage component, and each pile can be used alone a hydrogen container, also can share a hydrogen container.Such bipolar hydrogen nickel battery device, is actually an alkaline semi-fuel cell, instead of oxygen electrode unlike by nickel electrode.Due to the separation of positive and negative electrode active material and the bipolar structure of pile, not only increase the flexibility of negative electrode active material, as the higher alloy material of hydrogen-storage density can be adopted, can also use High Pressure Hydrogen gas cylinder; The self discharge of inside battery can also be avoided, improve the ratio energy of battery, specific power and life-span.
The technical scope of this invention is not limited to the content on specification, with above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, can in the scope not departing from this invention technological thought, carry out various change and amendment, comprise and adopt different types of and different complex methods, adopt different types of or catalyst, positive active material and additive types and proportioning change, electrolyte and additive types and proportioning changes, the change etc. of hydrogen storage method and hydrogen source kind all belongs to the claims in the present invention scope.
Claims (6)
1. a bipolar hydrogen nickel battery device, comprise bipolar cell (15) and hydrogen-storing device (13), it is characterized in that: described hydrogen-storing device (13) is arranged on the outside of bipolar cell (15), described hydrogen-storing device (13) is connected with bipolar cell (15) by there being the Hydrogen Line of valve (14), described bipolar cell (15) comprises anode composite end plate (7), composite negative pole end plate (8) and is connected to the multiple composite dual-electrode plates (16) be arranged side by side between compound positive and negative electrode end plate (7,8); Described composite dual-electrode plates (16) comprises electrically-conductive backing plate (1) and is located at positive electrode active material layer (5) and the composite diaphragm (6) of electrically-conductive backing plate (1) both sides respectively, the one side of described electrically-conductive backing plate (1) is provided with the hydrogen flow field groove (2) as hydrogen access way, the two ends of described hydrogen flow field groove (2) offer gas inlet-outlet (3) respectively on electrically-conductive backing plate (1), and described gas inlet-outlet (3) is through hole; Described composite diaphragm (6) is pasted onto the side that electrically-conductive backing plate (1) is provided with hydrogen flow field groove (2), described positive electrode active material layer (5) be laid in electrically-conductive backing plate (1) opposite side and cover described gas inlet-outlet (3); Described anode composite end plate (7) comprises the positive electrode active material layer (5) in positive end plate (9) and the positive end plate that is laid in (9), described positive end plate (9) is provided with the venthole (18) corresponding with gas inlet-outlet (3), and described positive electrode active material layer (5) is covered on venthole (18); Described composite negative pole end plate (8) comprises the electrically-conductive backing plate (1) in negative end plate (11) and the negative end plate that is laid in (11), described negative end plate (11) is provided with the air admission hole (17) corresponding with gas inlet-outlet (3), the one side that described electrically-conductive backing plate (1) is provided with hydrogen flow field groove (2) is also provided with composite diaphragm (6), and with on adjacent composite dual-electrode plates (16) positive electrode active material layer (5) be connected; Described composite diaphragm (6) is using Raney's nickel or Lei Niyin as catalyst, is composited with Ni-H cell polyethylene nonwoven sulfonated membrane.
2. bipolar hydrogen nickel battery device according to claim 1, it is characterized in that: between described adjacent anode composite end plate (7) and composite dual-electrode plates (16), between adjacent composite dual-electrode plates (16), between composite dual-electrode plates (16) and composite negative pole end plate (8), be also provided with the sealed insulation frame (10) that the periphery of positive electrode active material layer (5) and composite diaphragm (6) can be sealed; Described sealed insulation frame (10) is the rectangular configuration of arranging along positive electrode active material layer (5) outer rim.
3. bipolar hydrogen nickel battery device according to claim 1 and 2, it is characterized in that: described gas inlet-outlet (3) is provided with insulating washer (12), described insulating washer (12) was arranged along the hole week of gas inlet-outlet (3).
4. bipolar hydrogen nickel battery device according to claim 1 and 2, is characterized in that: described air admission hole (17) is connected with the hydrogen-storing device (13) of the outside of bipolar cell (15) by Hydrogen Line.
5. bipolar hydrogen nickel battery device according to claim 3, is characterized in that: described air admission hole (17) is connected with the hydrogen-storing device (13) of the outside of bipolar cell (15) by Hydrogen Line.
6. bipolar hydrogen nickel battery device according to claim 1 and 2, is characterized in that: the active material of described positive electrode active material layer (5) is NiOOH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089201.9A CN103219564B (en) | 2013-03-20 | 2013-03-20 | Bipolar hydrogen nickel battery device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310089201.9A CN103219564B (en) | 2013-03-20 | 2013-03-20 | Bipolar hydrogen nickel battery device |
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| CN103219564A CN103219564A (en) | 2013-07-24 |
| CN103219564B true CN103219564B (en) | 2015-05-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108637476B (en) * | 2018-04-28 | 2022-03-15 | 上海治臻新能源股份有限公司 | Laser welding electromagnetic adsorption clamping device of fuel cell bipolar plate and processing method |
| CN111063912B (en) * | 2019-11-14 | 2021-05-25 | 西安交通大学 | Vein bionic pressure-permeation type three-in-one bipolar plate and working method thereof |
| CN114865109A (en) * | 2022-06-15 | 2022-08-05 | 四川大学 | Low-voltage coupling electrode hydrogen-nickel battery and preparation method thereof |
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| US5419981A (en) * | 1993-11-01 | 1995-05-30 | Ergenics, Inc. | Hydrogen electrochemical cell housing |
| US6042960A (en) * | 1997-10-15 | 2000-03-28 | Ergenics, Inc. | Automatic water vapor density control of hydrogen gas |
| CN1589508A (en) * | 2001-10-09 | 2005-03-02 | 伊莱楚斯特有限责任公司 | Nickel hydrogen battery |
| CN1610150A (en) * | 2004-10-31 | 2005-04-27 | 华南理工大学 | Gamma-hydroxyl nickel oxide and producing process thereof |
-
2013
- 2013-03-20 CN CN201310089201.9A patent/CN103219564B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5419981A (en) * | 1993-11-01 | 1995-05-30 | Ergenics, Inc. | Hydrogen electrochemical cell housing |
| US6042960A (en) * | 1997-10-15 | 2000-03-28 | Ergenics, Inc. | Automatic water vapor density control of hydrogen gas |
| CN1589508A (en) * | 2001-10-09 | 2005-03-02 | 伊莱楚斯特有限责任公司 | Nickel hydrogen battery |
| CN1610150A (en) * | 2004-10-31 | 2005-04-27 | 华南理工大学 | Gamma-hydroxyl nickel oxide and producing process thereof |
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