CN106410123A - Negative electrode sheet for nickel-hydrogen battery and production method thereof, and nickel-hydrogen battery - Google Patents
Negative electrode sheet for nickel-hydrogen battery and production method thereof, and nickel-hydrogen battery Download PDFInfo
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- CN106410123A CN106410123A CN201510452395.3A CN201510452395A CN106410123A CN 106410123 A CN106410123 A CN 106410123A CN 201510452395 A CN201510452395 A CN 201510452395A CN 106410123 A CN106410123 A CN 106410123A
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- nickel
- battery
- negative plate
- negative electrode
- electrode sheet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/24—Electrodes for alkaline accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/34—Gastight accumulators
- H01M10/345—Gastight metal hydride accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/24—Electrodes for alkaline accumulators
- H01M4/26—Processes of manufacture
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a production method of a negative electrode sheet for a nickel-hydrogen battery. The production method comprises: S1, preparing alloy mixing powder for corrosion resistance and powdering resistance at a high temperature; S2, preparing a suspension from a SBR or PTFE emulsion, water and the alloy mixing powder; S3, after one rolling, making a negative electrode sheet pass through the suspension in the stirring state; and S4, drying the negative electrode sheet. The invention further discloses the negative electrode sheet for the nickel-hydrogen battery, and the nickel-hydrogen battery. According to the present invention, the nickel-hydrogen high-temperature secondary battery has characteristics of sufficient and stable discharge during temperature increasing and floating charge time prolonging, and long service life, and can be widely used for equipment or instruments working in high-temperature environments.
Description
Technical field
The present invention relates to Ni-MH battery field, particularly to a kind of negative plate for Ni-MH battery and its making
Method and Ni-MH battery.
Background technology
High temperature nickel-hydrogen secondary cell is mainly realized by battery design, by selecting appropriate both positive and negative polarity material
Material, additive, barrier film and electrolyte are improving oxygen evolution potential during battery high-temperature charging, to reduce battery in height
Self-discharge rate under temperature, guarantee battery charge under the high temperature conditions and are unlikely to lose heart leakage alkali and thermal runaway.
Nickel-hydrogen high-temperature secondary cell is mainly used in all kinds of light fixture markets, such as emergency light, mine lamp, street lamp, tunnel
Road lamp and equipment that some work in high temperature environments or instrument；This kind of battery request is mainly in higher temperature
The lower long-term floating charge of small current of degree, urgent or can discharge when working at night.
In the prior art, the capacity of Ni-MH battery product, efficiency for charge-discharge are used ring in actual applications
Border temperature is very big with the impact being in long-term floating charge state, and the electrical property of battery raises and the floating charge time with temperature
Extending reduces quickly, and people need to improve the high-temperature behavior of Ni-MH battery and resistance to floating charge performance.
Content of the invention
The present invention provides a kind of negative plate for Ni-MH battery, preparation method and Ni-MH battery, effectively changes
It has been apt to the high-temperature behavior of Ni-MH battery and resistance to floating charge performance.
The technical program is realized in：
The invention discloses the preparation method of the negative plate for Ni-MH battery, including：
S1. it is configured to corrosion-resistant under high temperature and anti-powdering mixed powder for alloy；
S2. make suspension with SBR or PTFE emulsion, water and described mixed powder for alloy；
S3., after a roll-in, negative plate band passes through in the suspension described in from stirring；
S4. described negative plate is dried.
As the further improvement of preparation method of the present invention, described mixed powder for alloy includes：A
Component and B component, wherein, described component A is：In Y2O3, Yb2O3, Er2O3, Tm2O3
One or more；B component is：One or more of Ni powder, superconduction carbon black, Co powder.
As the further improvement of preparation method of the present invention, the percentage by weight of described component A
For：30%～70%；The percentage by weight of B component is：30%～70%.
The invention discloses a kind of negative plate for Ni-MH battery, obtained by above-mentioned method.
The invention discloses a kind of Ni-MH battery, including negative plate, described negative plate is above-mentioned negative plate.
Implement a kind of negative plate for Ni-MH battery, preparation method and the Ni-MH battery of the present invention, have with
Under beneficial technique effect：
The present invention compensate for nickel-hydrogen high-temperature secondary cell electrical property of the prior art with when temperature rising and floating charge
Between extend and reduce deficiency quickly, the nickel-hydrogen high-temperature secondary cell temperature of the present invention raises and floating charge time lengthening
When discharge capacity sufficient, stable, use time length, can be widely used for the equipment or the instrument that work under hot environment.
Specific embodiment
Such as there is no special declaration herein, be all weight percentage.
Herein, each chemical noun is：
Y2O3：Yttria, white yellowish powder；
Yb2O3：Yttria (Ytterbium oxide), the slightly micro- green powder of white；
Er2O3：Erbium oxide (Erbium oxide)；
Tm2O3：Thulium oxide；
Co powder：Cobalt powder.
SBR：Butadiene-styrene rubber (Styrene Butadiene Rubber), by butadiene and styrene copolymerized be obtained.
It is divided into SBR of emulsion polymerization and solution polymerization styrene-butadiene rubber by production method.
PTFE：Polytetrafluoroethylene (PTFE) (Polytetrafluoroethylene), is abbreviated as teflon, commonly referred to as " does not glue
Coating " or " material easy to clean.
Embodiment one,
S1. configuration proportioning is：30% Y2O3 and 70% Ni powder mixed powder for alloy；
S2. make suspension with SBR, water and above-mentioned mixed powder for alloy；
S3., after a roll-in, negative plate band passes through in the suspension described in from stirring；
S4. described negative plate is dried.
1# battery is obtained using the negative plate in embodiment one.
Embodiment two,
S1. configuration proportioning is：50% Yb2O3 and 50% superconduction carbon black mixed powder for alloy；
S2. make suspension with PTFE emulsion, water and above-mentioned mixed powder for alloy；
S3., after a roll-in, negative plate band passes through in the suspension described in from stirring；
S4. described negative plate is dried.
2# battery is obtained using the negative plate in embodiment two.
Embodiment three,
S1. configuration proportioning is：60% Er2O3 and 40% Co powder mixed powder for alloy；
S2. make suspension with PTFE emulsion, water and above-mentioned mixed powder for alloy；
S3., after a roll-in, negative plate band passes through in the suspension described in from stirring；
S4. described negative plate is dried.
3# battery is obtained using the negative plate in embodiment three.
Example IV,
S1. configuration proportioning is：70% Tm2O3 and 30% Co powder mixed powder for alloy；
S2. make suspension with SBR, water and above-mentioned mixed powder for alloy；
S3., after a roll-in, negative plate band passes through in the suspension described in from stirring；
S4. described negative plate is dried.
4# battery is obtained using the negative plate in example IV.
Keep other variables consistent, comparative example：After roll-in, negative plate band is not from described metal mixed powder
Pass through, in the suspension that end is made, the negative plate obtaining, make this negative plate of work make 5# 6# 7# 8# battery.
Embodiment and comparative example are all to make AA1600mAh Ni-MH battery respectively, and after chemical conversion, contrast test is high
Charge-discharge performance after the lower floating charge of temperature.
By above-mentioned prepared 1# 2# 3# 4# 5# 6# 7# 8# battery under 70 DEG C of environment temperatures
0.05C floating charge 1 month, 2 months, after 3 months, at 55 DEG C, 0.05C charges 24 hours, then 0.25C
It is discharged to 1.0V and tests its discharge capacity, obtain discharge capacity data as shown in following table one.
Data is as follows：
As can be seen from the above table, negative plate surface coating layer of metal mixed-powder and prepared battery high-temperature float
Fill the time, whether one month or two months or three months, discharge capacity all up to more than 95%, sufficient and steady
Fixed.
Implement a kind of negative plate for Ni-MH battery, preparation method and the Ni-MH battery of the present invention, have with
Under beneficial technique effect：
The present invention compensate for nickel-hydrogen high-temperature secondary cell electrical property of the prior art with when temperature rising and floating charge
Between extend and reduce deficiency quickly, the nickel-hydrogen high-temperature secondary cell temperature of the present invention raises and floating charge time lengthening
When discharge capacity sufficient, stable, use time length, can be widely used for the equipment or the instrument that work under hot environment.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in this
Within bright protection domain.
Claims (5)
1. a kind of preparation method of the negative plate for Ni-MH battery is it is characterised in that include：
S1. it is configured to corrosion-resistant under high temperature and anti-powdering mixed powder for alloy；
S2. make suspension with SBR or PTFE emulsion, water and described mixed powder for alloy；
S3., after a roll-in, negative plate band passes through in the suspension described in from stirring；
S4. described negative plate is dried.
2. preparation method according to claim 1 is it is characterised in that described mixed powder for alloy bag
Include：Component A and B component, wherein, described component A is：Y2O3、Yb2O3、Er2O3、Tm2O3
One or more of；B component is：One or more of Ni powder, superconduction carbon black, Co powder.
3. preparation method according to claim 2 is it is characterised in that the weight hundred of described component A
Point ratio is：30%～70%；The percentage by weight of B component is：30%～70%.
4. a kind of negative plate for Ni-MH battery is it is characterised in that by any one of claims 1 to 3
Obtained by method in claim.
5. a kind of Ni-MH battery, including negative plate it is characterised in that described negative plate is claim 4
Described in negative plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510452395.3A CN106410123B (en) | 2015-07-28 | 2015-07-28 | A kind of negative electrode tab, production method and nickel-metal hydride battery for nickel-metal hydride battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510452395.3A CN106410123B (en) | 2015-07-28 | 2015-07-28 | A kind of negative electrode tab, production method and nickel-metal hydride battery for nickel-metal hydride battery |
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| Publication Number | Publication Date |
|---|---|
| CN106410123A true CN106410123A (en) | 2017-02-15 |
| CN106410123B CN106410123B (en) | 2019-07-19 |
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| CN201510452395.3A Active CN106410123B (en) | 2015-07-28 | 2015-07-28 | A kind of negative electrode tab, production method and nickel-metal hydride battery for nickel-metal hydride battery |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5451475A (en) * | 1993-04-28 | 1995-09-19 | Matsushita Electric Industrial Co., Ltd. | Nickel positive electrode for alkaline storage battery and sealed nickel-hydrogen storage battery using nickel positive electrode |
| JPH10106550A (en) * | 1996-09-25 | 1998-04-24 | Matsushita Electric Ind Co Ltd | Hydrogen storage alloy electrode and its manufacture |
| CN1536690A (en) * | 1995-09-28 | 2004-10-13 | ��ʽ����dz�������� | Hydrogen storage electrode, nickel electrode and alkaline storage battery |
| CN1691397A (en) * | 2004-04-20 | 2005-11-02 | 江苏海四达集团有限公司 | Method for making quick charged nickel-hydrogen power battery |
| CN103560250A (en) * | 2013-11-07 | 2014-02-05 | 天津市捷威动力工业有限公司 | Lithium ion battery adopting lithium-rich manganese-based material as positive electrode and preparation method of lithium ion battery |
| CN104577224A (en) * | 2014-12-24 | 2015-04-29 | 深圳市电科电源股份有限公司 | Method for manufacturing ultra-high temperature long-service life nickel-hydrogen batteries |
-
2015
- 2015-07-28 CN CN201510452395.3A patent/CN106410123B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5451475A (en) * | 1993-04-28 | 1995-09-19 | Matsushita Electric Industrial Co., Ltd. | Nickel positive electrode for alkaline storage battery and sealed nickel-hydrogen storage battery using nickel positive electrode |
| CN1536690A (en) * | 1995-09-28 | 2004-10-13 | ��ʽ����dz�������� | Hydrogen storage electrode, nickel electrode and alkaline storage battery |
| JPH10106550A (en) * | 1996-09-25 | 1998-04-24 | Matsushita Electric Ind Co Ltd | Hydrogen storage alloy electrode and its manufacture |
| CN1691397A (en) * | 2004-04-20 | 2005-11-02 | 江苏海四达集团有限公司 | Method for making quick charged nickel-hydrogen power battery |
| CN103560250A (en) * | 2013-11-07 | 2014-02-05 | 天津市捷威动力工业有限公司 | Lithium ion battery adopting lithium-rich manganese-based material as positive electrode and preparation method of lithium ion battery |
| CN104577224A (en) * | 2014-12-24 | 2015-04-29 | 深圳市电科电源股份有限公司 | Method for manufacturing ultra-high temperature long-service life nickel-hydrogen batteries |
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| CN106410123B (en) | 2019-07-19 |
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