CN1085419C - Manufacture of alkaline secondary nickel-hydrogen cell and its positive and negative pole material - Google Patents
Manufacture of alkaline secondary nickel-hydrogen cell and its positive and negative pole material Download PDFInfo
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- CN1085419C CN1085419C CN98125274A CN98125274A CN1085419C CN 1085419 C CN1085419 C CN 1085419C CN 98125274 A CN98125274 A CN 98125274A CN 98125274 A CN98125274 A CN 98125274A CN 1085419 C CN1085419 C CN 1085419C
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- 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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- 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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Abstract
The present invention relates to a chargeable secondary battery which belongs to the field of chargeable secondary battery manufacture. A positive electrode material and a negative electrode material of the nickel-hydrogen battery related by the present invention are mixtures respectively composed of Mm Ni3.4 (Mn, Co, Al, Ti) 1.6, Ni (OH) 2, an electric conducting material and an additive. A battery manufacturing method of the present invention comprises the following procedures: firstly, the negative electrode material mixture and the positive electrode material mixture are respectively compounded with a polymer binding agent and water to form negative electrode cream and positive electrode cream; secondly, the negative electrode cream and the positive electrode cream are applied to electric conducting substrates to become a negative electrode plate and a positive electrode plate which are separated from each other by a diaphragm material and are wound to form a battery core; the battery core is placed into a corresponding battery sleeve to fill a needed electrolytic solution, and an opening of the battery sleeve is sealed to become the chargeable secondary battery.
Description
Technical field
The present invention can relate to rechargeable secondary cell and manufacturing field thereof.Mainly be applicable to the manufacturing alkali secondary Ni-MH battery.
Background technology
In recent years, because nickel---Ni/metal hydride secondary cell has high power capacity than advantages such as, pollution-free, long service life and working temperature are wide, has obtained using widely.In this class battery, can stably absorb and store the hydrogen (calculating with gas under the normal temperature and pressure) that is several times as much as own vol as the hydrogen bearing alloy of negative pole main material, and can store safely and transport as the energy.The characteristic and the electrocatalysis development rechargeable battery that utilize the hydrogen storage alloy electrochemical suction to put hydrogen are one of most active fields in the present chemical power source.
In the prior art, the positive electrode of secondary Ni-MH battery is with Ni (OH)
2Be main, negative material is based on mishmetal nickel manganese cobalt aluminium alloy, and joins and other material, and the performance of the battery of Zhi Zuoing is still not ideal therefrom, particularly discharge under high magnification, the 1.2V capacity accounts for total capacity (Chinese patent ZL92102795.8, ZL92102550.6) on the low side.
In the existing production technology of secondary hydrogen storage battery, need carry out three openings to the battery that is wound into or build up mutually changes into, need a large amount of electrolyte, and when opening changes into, electrolyte can cause corrosion to equipment, health to the staff is also influential, but also needs these electrolyte are carried out environmental protection treatment, otherwise environment is polluted.
The object of the present invention is to provide a kind of battery performance more excellent, its manufacture method is simple, cost is low, free of contamination alkali secondary Ni-MH battery and manufacture method thereof.
Summary of the invention
According to above-mentioned purpose, technical scheme of the present invention is: add rare earth oxide and electric conducting material in negative positive electrode, improve battery performance; In manufacture method, adopt directly and in the battery tube that battery is housed, inject quantitative required electrolyte, and seal immediately etc.
Existing division is as follows:
Alkali secondary Ni-MH battery of the present invention comprises positive plate, negative plate, diaphragm material, electrolyte, battery case, battery cap, wherein:
The chemical composition (weight %) of making the negative material of negative plate is:
Hydrogen bearing alloy M
mNi
3.4(Mn, Co, Al, Ti)
1.665-98%, electric conducting material 1-20%, additive 0.01-15%;
The chemical composition (weight %) of making the positive electrode of positive plate is:
Ni (OH)
265-98%, electric conducting material 1-20%, additive 0.01-15%.
Wherein electric conducting material is nickel powder, graphite powder, acetylene black, CoO, Co (OH) 2, CoCO
3In any or any two more than.
Additive is at least in the oxide of rare earth Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu any.
Make in the used negative, positive utmost point paste of negative, positive pole plate contained polymer-binder and be in carboxymethyl cellulose, methylcellulose, polytetrafluoroethylene, polyvinyl alcohol, the Sodium Polyacrylate any or any two more than.
Make the used conductive substrate of negative, positive pole plate and be in two-dimentional parent metal material or the three dimensional matrix material any.
Two dimension parent metal material for draw in the net by punch metal band, gas in metal nickel plating, hot nickel coating or three kinds of materials of pure nickel or silk screen in any.
The three dimensional matrix metal material is any in felted cellular metal or the sponge cellular metal.
The manufacture method of alkali secondary Ni-MH battery of the present invention comprises in the making, coiled battery core, battery tube of negative plate and positive plate adding electrolyte and battery seal, and existing division is as follows:
(1) making of negative plate and positive plate
At first prepare burden respectively according to the chemical composition scope of negative material and positive electrode, and make powder, putting into batch mixer respectively mixes, then negative material and the positive electrode mixture that mixes mixed with polymer-binder and water respectively, make negative pole paste and anodal paste, negative pole paste and anodal paste are coated in respectively on the conductive substrate, dry back is configured as negative plate and positive plate by reservation shape again;
The chemical composition (weight %) of making the negative material of negative plate is:
Hydrogen bearing alloy M
mNi
3.4(Mn, Co, Al, Ti)
1.665-98%, electric conducting material 1-20%, additive 0.01-15%;
The chemical composition (weight %) of making the positive electrode of positive plate is:
Ni (OH)
265-98%, electric conducting material 1-20%, additive 0.01-15%.
The composition proportion (weight %) of making the negative pole paste of negative plate is: negative material mixture 80-90%, polymer-binder 3-10%, water 7-10%;
The composition proportion (weight %) of making the anodal paste of positive plate is: positive electrode mixture 75-85%, polymer-binder 6-13%, water 9-12%.
Wherein, polymer-binder be in carboxy methyl cellulose, methylcellulose, polytetrafluoroethylene, polyvinyl alcohol, the Sodium Polyacrylate any or any two more than.
Conductive substrate is any in two-dimentional parent metal material or the three dimensional matrix material.
Two dimension parent metal material for draw in the net by punch metal band, gas in metal nickel plating, hot nickel coating or three kinds of materials of pure nickel or silk screen in any.
The three dimensional matrix metal material is any in felted cellular metal or the sponge cellular metal.
(2) coiled battery core
Between the negative, positive pole plate of making, be separated by, be rolled into the closely folded mutually battery of tubular or other shape with up-coiler then, and battery is packed in the battery tube of shape unanimity with diaphragm material.
(3) add electrolyte in the battery tube
Any or any two above sum adding among electrolyte KOH, NaOH or the LiOH is equipped with in the battery tube of battery, and according to capacitance, the addition of each battery electrolyte is 1.5-2.7ml/Ah.
(4) battery seal
After each battery adds electrolyte,, and battery is sealed, promptly made alkali secondary Ni-MH battery of the present invention with sealing machine with positive wire and battery cap seam.
Adopt negative, positive utmost point material of the present invention and the prepared secondary Ni-MH battery of manufacture method to have excellent performance: AA type battery, the 0.5A discharge, battery 1.2V, the retention time reached 123 minutes, and the 1A discharge battery 1.2V retention time reaches 58 minutes.
Compared with prior art, the present invention has following advantage:
(1) work simplification, operating efficiency improve, and prior art is carried out opening again and changed into after needing battery put into battery tube (shell), and the present invention can the direct sealing battery, need not opening and changes into, and has shortened process cycle.
(2) save material pollution abatement.Prior art needs a large amount of electrolyte when opening changes into, outwell as waste liquid with a large amount of unnecessary electrolyte major part in back, has both wasted raw material, again equipment and environment is polluted; Electrolyte of the present invention is measured adding on demand, and is no unnecessary, and its consumption is the 10%-20% of prior art, has both saved raw material, has reduced pollution again, has improved working strength of workers and work situation.
(3) battery performance has improved, and opening of the prior art changes into AA type battery, discharges under 0.5C multiplying power and 1C multiplying power, and the 1.2V capacity only accounts for 62.5% and 53% of total capacity respectively; And the same size battery of the present invention is discharged under identical multiplying power, and the 1.2V capacity accounts for 80% and 76% of total capacity.
Embodiment
Chemical composition scope and manufacture method according to negative, positive utmost point material of the present invention have prepared four batches of AA type alkali secondary Ni-MH batteries.
At first according to chemical composition scope is equipped with negative, positive utmost point material, and its concrete chemical composition scope is shown in table 1, table 2; Then be equipped with the negative pole paste and the anodal paste of corresponding lot number by composition proportion, and they are coated in respectively on the conductive substrate of corresponding lot number, postforming to be dried is the negative plate and the positive plate of sheet.The composition proportion of corresponding negative pole paste, anodal paste and the conductive substrate that is adopted are as shown in table 3.Subsequently, be separated by with diaphragm material between the negative, positive pole plate of each lot number, and be rolled into the cylindrical battery core with up-coiler, in the AA type battery tube of the shape of packing into unanimity, used diaphragm material is homemade vinylon short fiber.Then inject the electrolyte in the battery tube, and, battery is sealed, become final alkali secondary Ni-MH battery with sealing machine with positive wire and battery cap seam.Used electrolyte kind and the addition of corresponding lot number is as shown in table 4.
After battery is carried out, survey its performance, measurement result is as shown in table 5.
The chemical composition (weight %) of table 1 embodiment negative material
| Lot number | M mNi 3.4(Mn、Co、Al、Ti) 1.6 | Electric conducting material | Additive |
| 1 | M mNi 3.4Mn 0.8Co 0.6Al 0.2 69 | Nickel powder 28.5 | PrO 2.5 |
| 2 | M mNi 3.4Mn 1.0Co 0.3Al 0.2Ti 0.1 92 | Acetylene black 6.5 | NdO 1.5 |
| 3 | M mNi 3.4Mn 0.6Co 0.8Al 0.2 74 | Graphite powder 18.0 | DyO 8.0 |
| 4 | MmNi 3.4Mn 1.0Co 0.2Al 0.4 80 | CoO+ acetylene black 15.1 | La 2O 3 4.9 |
The chemical composition (weight %) of table 2 embodiment positive electrode
| Lot number | Ni(OH) 2 | Electric conducting material | Additive |
| 1 | 90 | CoCO 3 7 | Y 2O 3 3.0 |
| 2 | 69 | Graphite powder 20 | Er 2O 3 11.0 |
| 3 | 82 | Co(OH) 2 10 | Ce 2O 3 8.0 |
| 4 | 75 | Nickel powder 18.6 | Sm 2O 3 6.4 |
The composition proportion and the conductive substrate of table 3 embodiment negative pole, anodal paste
Annotate: negative material mixture in the table 3 and positive electrode mixture are respectively the negative material and the positive electrode of corresponding lot number in table 1, the table 2.
Table 4 embodiment adds electrolyte kind and the dosage (ml/Ah) in the battery tube
The characteristic of the prepared alkali secondary Ni-MH battery of table 5 embodiment
Claims (6)
1, a kind of alkali secondary Ni-MH battery comprises positive plate, negative plate, diaphragm material, electrolyte, battery case, battery cap, it is characterized in that:
(1) chemical composition (weight %) of the negative material of making negative plate is:
Hydrogen bearing alloy M
mNi
3.4(Mn, Co, Al, Ti)
1.665-98%, electric conducting material 1-20%, additive 0.01-15%;
(2) chemical composition (weight %) of the positive electrode of making positive plate is:
Ni (OH)
265-98%, electric conducting material 1-20%, additive 0.01-15%;
(3) electrolyte be among KOH, NaOH or the LiOH any or any two more than, the dosage that each battery need add electrolyte is 1.5-2.7ml/Ah.
2, alkali secondary Ni-MH battery according to claim 1 is characterized in that electric conducting material contained in the negative, positive utmost point material is nickel powder, graphite powder, acetylene black, CoO, Co (OH)
2, CoCO
3In any or any two more than.
3, alkali secondary Ni-MH battery according to claim 1 is characterized in that contained additive in the negative, positive utmost point material is at least in the oxide of rare earth Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu any.
4, alkali secondary Ni-MH battery according to claim 1, it is characterized in that making in the used negative, positive utmost point paste of negative, positive pole plate contained polymer-binder and be in carboxymethyl cellulose, methylcellulose, polytetrafluoroethylene, polyvinyl alcohol, the Sodium Polyacrylate any or any two more than.
5, alkali secondary Ni-MH battery according to claim 1, it is characterized in that making in the used conductive substrate of negative, positive pole plate two-dimentional parent metal material for by metal nickel plating, hot nickel coating or three kinds of materials of pure nickel break through the mesoporous metal band, gas draws in the net or silk screen in any; The three dimensional matrix metal material be in felted cellular metal or the sponge cellular metal any.
6, a kind of manufacture method of alkali secondary Ni-MH battery, its operation comprise in the making, coiled battery core, battery tube of negative plate and positive plate and add electrolyte, battery seal, its feature in:
(1) chemical analysis (weight %) of the making negative material that negative plate adopted is M
mNi
3.4(Mn, Co, Al, Ti)
1.665-98%, electric conducting material 1-20%, additive 0.01-15%;
(2) chemical composition (weight %) of the making positive electrode that positive plate adopted is: Ni (OH)
265-98%, electric conducting material 1-20%, additive 0.01-15%.
(3) make in the used positive and negative electrode paste of positive and negative pole plate contained polymer-binder be in carboxymethyl cellulose, methylcellulose, polytetrafluoroethylene, polyvinyl alcohol, the Sodium Polyacrylate any or any two more than.
(4) electrolyte that adds in the battery tube be among KOH, NaOH or the LiOH any or any two more than, the dosage that each battery need add electrolyte is 1.5-2.7ml/Ah.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98125274A CN1085419C (en) | 1998-12-15 | 1998-12-15 | Manufacture of alkaline secondary nickel-hydrogen cell and its positive and negative pole material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98125274A CN1085419C (en) | 1998-12-15 | 1998-12-15 | Manufacture of alkaline secondary nickel-hydrogen cell and its positive and negative pole material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1216405A CN1216405A (en) | 1999-05-12 |
| CN1085419C true CN1085419C (en) | 2002-05-22 |
Family
ID=5229122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98125274A Expired - Fee Related CN1085419C (en) | 1998-12-15 | 1998-12-15 | Manufacture of alkaline secondary nickel-hydrogen cell and its positive and negative pole material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1085419C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1127163C (en) * | 1999-04-05 | 2003-11-05 | 深圳市比亚迪股份有限公司 | High-temperature Ni/H2 battery and its manufacture |
| CN100405657C (en) * | 2005-04-11 | 2008-07-23 | 有量科技股份有限公司 | Improved battery core of staggering battery and producing method thereof |
| CN102800846A (en) * | 2012-08-30 | 2012-11-28 | 上海锦众信息科技有限公司 | Preparation method for positive electrode of power battery |
| WO2015118691A1 (en) * | 2014-02-10 | 2015-08-13 | エクセルギー・パワー・システムズ株式会社 | Alkaline secondary battery |
| CN105047748B (en) * | 2015-05-28 | 2017-08-11 | 中山大学 | A kind of silicon germanium heterojunction solar cell and preparation method thereof |
| CN105632792B (en) * | 2016-04-08 | 2018-12-04 | 河南延胜能源科技有限公司 | A kind of asymmetry capacitor and preparation method thereof |
| CN107968197A (en) * | 2017-11-23 | 2018-04-27 | 邓丽珍 | A kind of nickel-hydrogen battery negative pole material and its manufacture method |
| CN108155382A (en) * | 2017-11-27 | 2018-06-12 | 东莞市沣标新能源科技有限公司 | A kind of positive electrode of Ni-MH battery |
| CN108808127B (en) * | 2018-06-14 | 2020-09-29 | 衡阳电科电源有限公司 | Formation method of long-life high-temperature battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1117207A (en) * | 1994-04-15 | 1996-02-21 | 株式会社东芝 | Nickel-hydrogen secondary battery and method for manufacturing the same |
| CN1168196A (en) * | 1995-09-28 | 1997-12-17 | 株式会社汤浅 | Hydrogen storage electrode, nickel electrode, and alkaline storage battery |
| CN1180939A (en) * | 1996-10-18 | 1998-05-06 | 莫比亚斯绿色能源有限公司 | Technology for making nickel hydrogen battery |
-
1998
- 1998-12-15 CN CN98125274A patent/CN1085419C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1117207A (en) * | 1994-04-15 | 1996-02-21 | 株式会社东芝 | Nickel-hydrogen secondary battery and method for manufacturing the same |
| CN1168196A (en) * | 1995-09-28 | 1997-12-17 | 株式会社汤浅 | Hydrogen storage electrode, nickel electrode, and alkaline storage battery |
| CN1180939A (en) * | 1996-10-18 | 1998-05-06 | 莫比亚斯绿色能源有限公司 | Technology for making nickel hydrogen battery |
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| Publication number | Publication date |
|---|---|
| CN1216405A (en) | 1999-05-12 |
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