CN208848975U - A kind of cylindrical nickel-hydrogen power battery - Google Patents
A kind of cylindrical nickel-hydrogen power battery Download PDFInfo
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- CN208848975U CN208848975U CN201821559026.XU CN201821559026U CN208848975U CN 208848975 U CN208848975 U CN 208848975U CN 201821559026 U CN201821559026 U CN 201821559026U CN 208848975 U CN208848975 U CN 208848975U
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- diaphragm
- steel shell
- negative electrode
- electrode tab
- power battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a kind of cylindrical nickel-hydrogen power battery, including battery core and steel shell, and the battery core is placed in steel shell, electrolyte is marked in the steel shell, by circle cap combination sealing, the battery core includes positive plate, negative electrode tab and diaphragm, the length L of the diaphragm for the steel shell open endFilmMeet formula: LFilm=LJust+LIt is negative+ (0.75~0.9) × CIt is interior, wherein LJustFor the length of positive plate, LIt is negativeFor the length of negative electrode tab, CIt is interiorFor perimeter in steel shell；The width of the diaphragm is 2~8mm wider than the width of negative electrode tab, and the positive plate, negative electrode tab are spaced apart mutually by diaphragm wound on being formed together battery core, and the sulfonation degree of the sulfonated processing of the diaphragm and diaphragm is (5~7) × 10-3.A kind of cylindrical nickel-hydrogen power battery of the utility model, easy to make, the charged retention property of high temperature is preferable.
Description
Technical field
The utility model relates to a kind of cylindrical nickel-hydrogen power batteries.
Background technique
Automobile uses oil electric mixed dynamic technology, is one of the technology path of current most suitable energy-saving and emission-reduction, due to it
Have the characteristics that significant energy conservation, low emission, can significantly reduce vehicle exhaust discharge quantity, moderate hybrid vehicle energy fuel-economizing 30% with
On, 70% or more emission reduction nuisance；Critical component in oily electricity mixing is power battery, and performance must satisfy in varying environment
Lower to use, especially under high temperature and low temperature, therefore, the single battery in battery pack used just must be taken into consideration high temperatures
Energy, cryogenic property.
The research of battery high-temperature behavior, cryogenic property is also compared at present it is more, but in terms of majority is concentrated on to electrolyte
Research, such as CN102593435A disclose a kind of gel electrolyte comprising the hydroxide of carboxymethyl cellulose, alkali metal
And water, improve the cryogenic property of battery；CN105390755A discloses a kind of electrolyte comprising rich potassium type alkaline aqueous solution
With the mixture of sodium tungstate or wolframic acid crystal, the battery that the method is prepared has ultra-wide warm nature energy.
Utility model content
The utility model is intended to provide that a kind of production is simple, the preferable cylindrical nickel-hydrogen power electric of the charged retention property of high temperature
Pond.
The utility model is realized by following scheme:
A kind of cylindrical nickel-hydrogen power battery, including battery core and steel shell, the battery core are placed in steel shell, note in the steel shell
There is electrolyte, by circle cap combination sealing, the battery core includes positive plate, negative electrode tab and diaphragm, described for the steel shell open end
The length L of diaphragmFilmMeet formula: LFilm=LJust+LIt is negative+ (0.75~0.9) × CIt is interior, wherein LJustFor the length of positive plate, LIt is negativeFor cathode
The length of piece, CIt is interiorFor perimeter in steel shell；The width of the diaphragm is 2~8mm wider than the width of negative electrode tab, the positive plate, cathode
Piece is spaced apart mutually by diaphragm wound on being formed together battery core, the sulfonation degree of the sulfonated processing of the diaphragm and diaphragm be (5~
7)×10-3。
Further, the material of the diaphragm is polypropylene or polyethylene.
A kind of cylindrical nickel-hydrogen power battery of the utility model, production is simple, using the diaphragm of highly sulfonated, can be improved
The charged retention property of battery high-temperature reduces the high temperature self discharge of battery, improves battery high-temperature electrical property, with existing using low sulfonated
The power battery of degree diaphragm is compared, and 45 DEG C of high temperature spray charging precipitators about can be improved 1.5%.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of cylindrical nickel-hydrogen power battery in embodiment 1；
Fig. 2 (a) is cylindrical nickel-hydrogen power battery D6000 and the existing power using low sulfonation degree diaphragm in embodiment 1
The room temperature spray charging precipitator comparison diagram of battery D6000；
Fig. 2 (b) is cylindrical nickel-hydrogen power battery D6000 and the existing power using low sulfonation degree diaphragm in embodiment 1
45 DEG C of high temperature spray charging precipitator comparison diagrams of battery D6000.
Specific embodiment
Embodiment simply to illustrate that the utility model a kind of implementation, not as to scope of protection of the utility model
Restricted explanation.
Embodiment 1
A kind of cylindrical nickel-hydrogen power battery D6000, as shown in Figure 1, including battery core 1 and steel shell 2, battery core 1 is placed in steel shell 2
It is interior, electrolyte is marked in steel shell 2, for 2 open end of steel shell by 3 sealing of circle cap combination, battery core 1 includes positive plate 11, negative electrode tab 12
With diaphragm 13, the length L of diaphragm 13FilmMeet formula: LFilm=LJust+LIt is negative+0.8×CIt is interior, wherein LJustFor the length of positive plate 11, LIt is negativeFor
The length of negative electrode tab 12, CIt is interiorFor perimeter in steel shell 2；The width of diaphragm 13 is 4.5mm wider than the width of negative electrode tab 12, positive plate 11,
Negative electrode tab 12 is spaced apart by diaphragm 13 mutually wound on battery core 1 is formed together, and the material of diaphragm 13 is polypropylene, and diaphragm 13 passes through
The sulfonation degree of sulfonation processing and diaphragm 13 is (5~7) × 10-3。
The cylindrical nickel-hydrogen power battery D6000 of 10pcs embodiment 1 and 10pcs is existing using low sulfonation degree diaphragm
(diaphragm sulfonation degree is (1~3) × 10- to power battery D60003) the charged holding test of room temperature is carried out respectively, test method is specific
For (charge and discharge environment temperature is 25 DEG C): (1) 0.5C is discharged to 1.0V；(2) 0.5C constant-current charge is shelved to 80%SOC
15min, 1/3C are discharged to 1.0V, obtain discharge capacity C1；(3) 0.5C constant-current charge is shelved under 25 DEG C of environment to 80%SOC
30 days；(4) it takes out and shelves 3h under 25 DEG C of environment, 1/3C is discharged to 1.0V, obtains discharge capacity C2；(5) each battery is calculated
Spray charging precipitator=C2/C1 × 100%, and calculate separately embodiment 1 cylindrical nickel-hydrogen power battery D6000 and existing use
The room temperature spray charging precipitator average value of the power battery D6000 of low sulfonation degree diaphragm, shown in correlation data such as Fig. 2 (a), from figure
It can be seen that in 2 (a), the room temperature spray charging precipitator average value of the cylindrical nickel-hydrogen power battery D6000 of embodiment 1 and existing use
The room temperature spray charging precipitator average value of the power battery D6000 of low sulfonation degree diaphragm is similar；
The cylindrical nickel-hydrogen power battery D6000 of 10pcs embodiment 1 and 10pcs is existing using low sulfonation degree diaphragm
(diaphragm sulfonation degree is (1~3) × 10- to power battery D60003) the charged holding test of 45 DEG C of high temperature, test method are carried out respectively
Specially (charge and discharge environment temperature is 25 DEG C): (1) 0.5C is discharged to 1.0V；(2) 0.5C constant-current charge is shelved to 80%SOC
15min, 1/3C are discharged to 1.0V, obtain discharge capacity C1；(3) 0.5C constant-current charge is shelved under 45 DEG C of environment to 80%SOC
30 days；(4) it takes out and shelves 3h under 25 DEG C of environment, 1/3C is discharged to 1.0V, obtains discharge capacity C2；(5) each battery is calculated
Spray charging precipitator=C2/C1 × 100%, and calculate separately embodiment 1 cylindrical nickel-hydrogen power battery D6000 and existing use
45 DEG C of high temperature spray charging precipitator average values of the power battery D6000 of low sulfonation degree diaphragm, shown in correlation data such as Fig. 2 (b),
It can be seen that from Fig. 2 (b), 45 DEG C of high temperature spray charging precipitator average value ratios of the cylindrical nickel-hydrogen power battery D6000 of embodiment 1
45 DEG C of high temperature spray charging precipitator average values of the existing power battery D6000 using low sulfonation degree diaphragm are high by about 1.5%.
Embodiment 2
A kind of cylindrical nickel-hydrogen power battery D6000, one of structure and embodiment 1 cylindrical nickel-hydrogen power battery
The structure of D6000 is similar, the difference is that: the material of diaphragm is polyethylene, the length L of diaphragmFilmMeet formula: LFilm=
LJust+LIt is negative+0.75×CIt is interior, the width of diaphragm is 5.5mm wider than the width of negative electrode tab.
Embodiment 3
A kind of cylindrical nickel-hydrogen power battery D6000, one of structure and embodiment 1 cylindrical nickel-hydrogen power battery
The structure of D6000 is similar, the difference is that: the material of diaphragm is polyethylene, the length L of diaphragmFilmMeet formula: LFilm=
LJust+LIt is negative+0.9×CIt is interior, the width of diaphragm is 2mm wider than the width of negative electrode tab.
Claims (2)
1. a kind of cylindrical nickel-hydrogen power battery, including battery core and steel shell, the battery core are placed in steel shell, it is marked in the steel shell
Electrolyte, the steel shell open end by circle cap combination sealing, it is characterised in that: the battery core include positive plate, negative electrode tab and
Diaphragm, the length L of the diaphragmFilmMeet formula: LFilm=LJust+LIt is negative+ (0.75~0.9) × CIt is interior, wherein LJustFor the length of positive plate,
LIt is negativeFor the length of negative electrode tab, CIt is interiorFor perimeter in steel shell；The width of the diaphragm is 2~8mm wider than the width of negative electrode tab, the anode
Piece, negative electrode tab are spaced apart mutually by diaphragm wound on being formed together battery core, the sulfonated processing of the diaphragm and the sulfonation of diaphragm
Degree is (5~7) × 10-3。
2. a kind of cylindrical nickel-hydrogen power battery as described in claim 1, it is characterised in that: the material of the diaphragm is poly- third
Alkene or polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821559026.XU CN208848975U (en) | 2018-09-25 | 2018-09-25 | A kind of cylindrical nickel-hydrogen power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821559026.XU CN208848975U (en) | 2018-09-25 | 2018-09-25 | A kind of cylindrical nickel-hydrogen power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208848975U true CN208848975U (en) | 2019-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821559026.XU Active CN208848975U (en) | 2018-09-25 | 2018-09-25 | A kind of cylindrical nickel-hydrogen power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208848975U (en) |
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2018
- 2018-09-25 CN CN201821559026.XU patent/CN208848975U/en active Active
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