CN109671992A - A kind of nickel-metal hydride battery preparation method - Google Patents
A kind of nickel-metal hydride battery preparation method Download PDFInfo
- Publication number
- CN109671992A CN109671992A CN201811582274.0A CN201811582274A CN109671992A CN 109671992 A CN109671992 A CN 109671992A CN 201811582274 A CN201811582274 A CN 201811582274A CN 109671992 A CN109671992 A CN 109671992A
- Authority
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- China
- Prior art keywords
- plasma discharge
- discharge treatment
- nickel
- current collector
- collecting body
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Classifications
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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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/24—Alkaline accumulators
- H01M10/28—Construction or manufacture
-
- 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
- H01M10/24—Alkaline accumulators
- H01M10/30—Nickel accumulators
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
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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
Abstract
The present invention provides a kind of nickel-metal hydride battery preparation methods, by positive plate, negative electrode tab and membrane winding poling group, pole group is placed in steel shell, electrolyte is injected in steel shell and is sealed, activated completion, the positive plate includes positive active material and plus plate current-collecting body, the positive active material is filled in anode collection body, the negative electrode tab includes negative electrode active material and negative current collector, the negative electrode active material filling is coated on negative current collector, the plus plate current-collecting body, negative current collector, one of diaphragm a variety of is first carrying out plasma discharge treatment using preceding.A kind of nickel-metal hydride battery preparation method of the invention, simple process is feasible, can reduce the internal resistance of cell, improves battery cycle life.
Description
Technical field
The present invention relates to a kind of nickel-metal hydride battery preparation methods.
Background technique
In existing nickel-metal hydride battery production technology, in order to improve battery capacity, generally require to fill more into collector
More active material, however active material is more, when filling, active material is easier to be deposited in collection liquid surface, it is difficult to penetrate into collection
Internal fluid, higher so as to cause the internal resistance of cell, battery capacity decaying is too fast in cyclic process.
Summary of the invention
The present invention is intended to provide a kind of simple process is feasible, can reduce the internal resistance of cell, the ni-mh of raising battery cycle life
Battery preparation method.
The present invention is realized by the following scheme:
Pole group is placed in steel shell by positive plate, negative electrode tab and membrane winding poling group by a kind of nickel-metal hydride battery preparation method
It is interior, electrolyte is injected in steel shell and is sealed, and activated completion, the positive plate includes positive active material and anode collection
Body, the positive active material are filled in anode collection body, and the negative electrode tab includes negative electrode active material and negative current collector,
Negative electrode active material filling is coated on negative current collector, the plus plate current-collecting body, negative current collector, one in diaphragm
Kind or a variety of first carrying out plasma discharge treatment using preceding.
Further, the plasma discharge treatment technique of the plus plate current-collecting body, negative current collector specifically: collect anode
Fluid, negative current collector are passed through in plasma discharge treatment device with certain travel speed respectively, at the plasma discharge
The discharge power of reason device is set as 0.5~2.0KW；The plasma discharge treatment technique of the diaphragm specifically: by diaphragm with
Certain travel speed is by plasma discharge treatment device, the discharge power of the plasma discharge treatment device is set as
0.5~1.0KW.
Further, the plus plate current-collecting body, negative current collector travel speed be 6~12m/min, the diaphragm
Travel speed is 5~10m/min.
Further, the plus plate current-collecting body be nickel foam, the negative current collector be foam copper or punched nickel-plated steel band,
The material of the diaphragm is PP, PE or nylon.
A kind of nickel-metal hydride battery preparation method of the invention, simple process is feasible, by plus plate current-collecting body, negative current collector
Plasma discharge treatment is carried out, the ingredients such as plus plate current-collecting body, the grease on negative current collector, additive is cleaned, eliminates just
Pole collector, negative current collector surface electrostatic, meanwhile, plus plate current-collecting body, negative current collector surface molecular chain structure also have occurred
Change, establish the free group such as hydroxyl, carboxyl, these groups have the function of material binds to promote its bonding, increase
Adhesive force is conducive to uniform coating filling, the bonding of positive active material, negative electrode active material, to reduce the internal resistance of cell, subtracts
Battery capacity decaying, improves battery capacity conservation rate, to improve battery cycle life in few cyclic process.By to diaphragm into
Row plasma discharge treatment is conducive to the equal of electrolyte so that membrane surface forms the free group such as hydrophilic hydroxy group, carboxyl
Even absorption improves battery cycle life to reduce the internal resistance of cell.
Specific embodiment
The invention will be further described with reference to embodiments, but the invention is not limited to the statements of embodiment.
Embodiment 1
Positive plate, negative electrode tab and membrane winding poling group, diaphragm material be by a kind of ni-mh D6000 battery preparation method
Pole group is placed in steel shell by PP, and electrolyte is injected in steel shell and is sealed, activated completion, positive plate includes positive electrode active material
Matter and plus plate current-collecting body, positive active material are filled in anode collection body, and plus plate current-collecting body is nickel foam, and negative electrode tab includes negative
Pole active material and negative current collector, negative electrode active material are filled or are coated on negative current collector, and negative current collector is punching
Nickel plated steel strip, plus plate current-collecting body, negative current collector, diaphragm are first carrying out plasma discharge treatment using preceding；
The plasma discharge treatment technique of plus plate current-collecting body, negative current collector specifically: by plus plate current-collecting body, negative pole currect collecting
Body is passed through in plasma discharge treatment device with the travel speed of 10m/min respectively, the electric discharge function of plasma discharge treatment device
Rate is set as 1.0KW；The plasma discharge treatment technique of diaphragm specifically: pass through diaphragm with the travel speed of 10m/min etc.
In ionic discharge processing unit, the discharge power of plasma discharge treatment device is set as 1.0KW.
(plus plate current-collecting body, negative current collector, diaphragm are not with existing conventional batteries for the battery that embodiment 1 is prepared
Plasma discharge treatment is carried out, remaining is identical as 1 technique of embodiment) Charging state internal resistance, the charged holding of room temperature in 28 days are carried out respectively
It is tested with 1C charge and discharge cycles, test result is as shown in table 1, and the data in table 1 are with the test data of existing conventional batteries
Percentage obtained from radix, as can be seen from Table 1,
The internal resistance for the battery that embodiment 1 is prepared is lower, and room temperature spray charging precipitator is higher within 28 days, the 1C charge and discharge cycles longevity
Life is preferable.
1 contrast test result of table
Embodiment 2
A kind of ni-mh D6000 battery preparation method, one of processing step and embodiment 1 ni-mh D6000 battery system
The processing step of Preparation Method is essentially identical, the difference is that: diaphragm material is PE, and negative current collector is foam copper, anode
Collector, negative current collector are first carrying out plasma discharge treatment using preceding, and diaphragm does not carry out plasma discharge treatment；
The plasma discharge treatment technique of plus plate current-collecting body, negative current collector specifically: by plus plate current-collecting body, negative pole currect collecting
Body is passed through in plasma discharge treatment device with the travel speed of 6m/min respectively, the discharge power of plasma discharge treatment device
It is set as 0.5KW.
(plus plate current-collecting body, negative current collector, diaphragm are not with existing conventional batteries for the battery that embodiment 2 is prepared
Plasma discharge treatment is carried out, remaining is identical as 2 technique of embodiment) Charging state internal resistance, the charged holding of room temperature in 28 days are carried out respectively
It is tested with 1C charge and discharge cycles, test result is as shown in table 2, and the data in table 2 are with the test data of existing conventional batteries
Percentage obtained from radix, as can be seen from Table 2,
The internal resistance for the battery that embodiment 2 is prepared is lower, and room temperature spray charging precipitator is higher within 28 days, the 1C charge and discharge cycles longevity
Life is preferable.
2 contrast test result of table
Embodiment 3
A kind of ni-mh D6000 battery preparation method, one of processing step and embodiment 1 ni-mh D6000 battery system
The processing step of Preparation Method is essentially identical, the difference is that: diaphragm is first carrying out plasma discharge treatment using preceding, anode
Collector, negative current collector do not carry out plasma discharge treatment；
The plasma discharge treatment technique of diaphragm specifically: diaphragm is passed through into plasma discharge with the travel speed of 5m/min
In processing unit, the discharge power of plasma discharge treatment device is set as 0.5KW.
(plus plate current-collecting body, negative current collector, diaphragm are not with existing conventional batteries for the battery that embodiment 3 is prepared
Plasma discharge treatment is carried out, remaining is identical as 3 technique of embodiment) Charging state internal resistance, the charged holding of room temperature in 28 days are carried out respectively
It is tested with 1C charge and discharge cycles, test result is as shown in table 3, and the data in table 3 are with the test data of existing conventional batteries
Percentage obtained from radix, as can be seen from Table 3,
The internal resistance for the battery that embodiment 3 is prepared is lower, and room temperature spray charging precipitator is higher within 28 days, the 1C charge and discharge cycles longevity
Life is preferable.
3 contrast test result of table
Embodiment 4
A kind of ni-mh D6000 battery preparation method, one of processing step and embodiment 1 ni-mh D6000 battery system
The processing step of Preparation Method is essentially identical, the difference is that: diaphragm material is PE, and negative current collector is foam copper, anode
Collector, diaphragm are first carrying out plasma discharge treatment using preceding, and negative current collector does not carry out plasma discharge treatment；
The plasma discharge treatment technique of plus plate current-collecting body specifically: by plus plate current-collecting body with the travel speed of 12m/min
By in plasma discharge treatment device, the discharge power of plasma discharge treatment device is set as 2.0KW；The plasma of diaphragm
Discharge treatment technique specifically: by diaphragm with the travel speed of 8m/min by plasma discharge treatment device, plasma is put
The discharge power of electric treatment device is set as 0.8KW.
(plus plate current-collecting body, negative current collector, diaphragm are not with existing conventional batteries for the battery that embodiment 4 is prepared
Plasma discharge treatment is carried out, remaining is identical as 4 technique of embodiment) Charging state internal resistance, the charged holding of room temperature in 28 days are carried out respectively
It is tested with 1C charge and discharge cycles, test result is as shown in table 4, and the data in table 4 are with the test data of existing conventional batteries
Percentage obtained from radix, as can be seen from Table 4,
The internal resistance for the battery that embodiment 4 is prepared is lower, and room temperature spray charging precipitator is higher within 28 days, the 1C charge and discharge cycles longevity
Life is preferable.
4 contrast test result of table
Embodiment 5
A kind of ni-mh D6000 battery preparation method, one of processing step and embodiment 1 ni-mh D6000 battery system
The processing step of Preparation Method is essentially identical, the difference is that: plus plate current-collecting body is first carried out at plasma discharge using preceding
Reason, negative current collector, diaphragm do not carry out plasma discharge treatment；
The plasma discharge treatment technique of plus plate current-collecting body specifically: pass through plus plate current-collecting body with the travel speed of 8m/min
It crosses in plasma discharge treatment device, the discharge power of plasma discharge treatment device is set as 1.2KW.
(plus plate current-collecting body, negative current collector, diaphragm are not with existing conventional batteries for the battery that embodiment 5 is prepared
Plasma discharge treatment is carried out, remaining is identical as 5 technique of embodiment) Charging state internal resistance, the charged holding of room temperature in 28 days are carried out respectively
It is tested with 1C charge and discharge cycles, test result is as shown in table 5, and the data in table 5 are with the test data of existing conventional batteries
Percentage obtained from radix, as can be seen from Table 5, the internal resistance for the battery that embodiment 5 is prepared are lower, and room temperature is charged within 28 days
Conservation rate is higher, and 1C charge and discharge circulation life is preferable.
5 contrast test result of table
Claims (4)
1. pole group is placed in steel shell by a kind of nickel-metal hydride battery preparation method by positive plate, negative electrode tab and membrane winding poling group,
Electrolyte is injected in steel shell and is sealed, activated completion, and the positive plate includes positive active material and plus plate current-collecting body, institute
It states positive active material to be filled in anode collection body, the negative electrode tab includes negative electrode active material and negative current collector, described
Negative electrode active material filling or be coated in negative current collector on, it is characterised in that: the plus plate current-collecting body, negative current collector, every
One of film a variety of is first carrying out plasma discharge treatment using preceding.
2. a kind of nickel-metal hydride battery preparation method as described in claim 1, it is characterised in that: the plus plate current-collecting body, cathode collection
The plasma discharge treatment technique of fluid specifically: pass through plus plate current-collecting body, negative current collector with certain travel speed respectively
It crosses in plasma discharge treatment device, the discharge power of the plasma discharge treatment device is set as 0.5~2.0KW；It is described
The plasma discharge treatment technique of diaphragm specifically: diaphragm is passed through into plasma discharge treatment device with certain travel speed
Interior, the discharge power of the plasma discharge treatment device is set as 0.5~1.0KW.
3. a kind of nickel-metal hydride battery preparation method as claimed in claim 2, it is characterised in that: the plus plate current-collecting body, cathode collection
The travel speed of fluid is 6~12m/min, and the travel speed of the diaphragm is 5~10m/min.
4. a kind of nickel-metal hydride battery preparation method as described in claims 1 to 3 is any, it is characterised in that: the plus plate current-collecting body
For nickel foam, the negative current collector is foam copper or punched nickel-plated steel band, and the material of the diaphragm is PP, PE or nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811582274.0A CN109671992A (en) | 2018-12-24 | 2018-12-24 | A kind of nickel-metal hydride battery preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811582274.0A CN109671992A (en) | 2018-12-24 | 2018-12-24 | A kind of nickel-metal hydride battery preparation method |
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| CN109671992A true CN109671992A (en) | 2019-04-23 |
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| CN201811582274.0A Pending CN109671992A (en) | 2018-12-24 | 2018-12-24 | A kind of nickel-metal hydride battery preparation method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001250530A (en) * | 2000-03-02 | 2001-09-14 | Toshiba Battery Co Ltd | Nickel-hydrogen secondary battery |
| JP2006079935A (en) * | 2004-09-09 | 2006-03-23 | Gs Yuasa Corporation:Kk | Nonaqueous electrolyte secondary battery and method for surface treatment of its current collector |
| CN102629675A (en) * | 2012-04-25 | 2012-08-08 | 苏州大学 | Method for improving diaphragm property of secondary battery, diaphragm of secondary battery and secondary battery |
| KR20150082959A (en) * | 2014-01-08 | 2015-07-16 | 주식회사 엘지화학 | Method for manufacturing a electrode of secondary battery |
| CN105379000A (en) * | 2013-07-17 | 2016-03-02 | 无限科技全球公司 | Printed silver oxide batteries |
| KR20160033482A (en) * | 2014-09-18 | 2016-03-28 | 주식회사 엘지화학 | Manufacturing method of electrode, electrode manufactured by the same and secondary battery containing the same |
| CN106785098A (en) * | 2016-12-14 | 2017-05-31 | 湖南格兰博智能科技有限责任公司 | A kind of column sealed ni-mh temperature cell making process wide |
-
2018
- 2018-12-24 CN CN201811582274.0A patent/CN109671992A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001250530A (en) * | 2000-03-02 | 2001-09-14 | Toshiba Battery Co Ltd | Nickel-hydrogen secondary battery |
| JP2006079935A (en) * | 2004-09-09 | 2006-03-23 | Gs Yuasa Corporation:Kk | Nonaqueous electrolyte secondary battery and method for surface treatment of its current collector |
| CN102629675A (en) * | 2012-04-25 | 2012-08-08 | 苏州大学 | Method for improving diaphragm property of secondary battery, diaphragm of secondary battery and secondary battery |
| CN105379000A (en) * | 2013-07-17 | 2016-03-02 | 无限科技全球公司 | Printed silver oxide batteries |
| KR20150082959A (en) * | 2014-01-08 | 2015-07-16 | 주식회사 엘지화학 | Method for manufacturing a electrode of secondary battery |
| KR20160033482A (en) * | 2014-09-18 | 2016-03-28 | 주식회사 엘지화학 | Manufacturing method of electrode, electrode manufactured by the same and secondary battery containing the same |
| CN106785098A (en) * | 2016-12-14 | 2017-05-31 | 湖南格兰博智能科技有限责任公司 | A kind of column sealed ni-mh temperature cell making process wide |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20210721 Address after: 410100 first floor, building 10, advanced energy storage and energy conservation demonstration Industrial Park, No. 169, Section 2, Renmin East Road, Changsha Economic and Technological Development Zone, Hunan Province Applicant after: NATIONAL ENGINEERING RESEARCH OF ADVANCED ENERGY STORAGE MATERIALS Address before: 410205 No. 348, west slope, Tongzi high tech Development Zone, Hunan, Changsha Applicant before: HUNAN COPOWER EV BATTERY Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190423 |
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| RJ01 | Rejection of invention patent application after publication |