CN100440592C - Production of non-pump button battery and its battery - Google Patents
Production of non-pump button battery and its battery Download PDFInfo
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- CN100440592C CN100440592C CNB2006100371774A CN200610037177A CN100440592C CN 100440592 C CN100440592 C CN 100440592C CN B2006100371774 A CNB2006100371774 A CN B2006100371774A CN 200610037177 A CN200610037177 A CN 200610037177A CN 100440592 C CN100440592 C CN 100440592C
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Abstract
The invention is concerned with the non-mercury buckle type battery and the manufacture craft. The manufacture craft includes: the facture of the cathode surface cover, the cathode zinc cream, the anode slice, the processing is: plates nickel at the outer surface and inner bottom of the base slice, plates stannum at the inner surface; processes heating treatment and mechanical rolling press for plated cathode surface cover plating slice, processes a punching press formation of the cathode surface cover plating slice inner surface inwards; puts the cathode zinc cream into the cathode surface cover that executes by the main material and the additive containing of indium oxide and indium hydroxide in order to get the cathode; mixes the anode material to be formation and puts into the shell, injects into the electrolyte merging septum; puts into the cathode, seals the opening to get the non-mercury buckle type battery.
Description
Technical field
The present invention relates to a kind of manufacture craft and battery thereof of non-mercury button cell.
Background technology
Non-mercury button cell is world today's hot issue, also is an industry difficult problem.The emphasis difficult point of non-mercury button cell is that the negative pole cover is made and negative zinc cream is made.
The making of negative pole cover is a key link of non-mercury button cell.The manufacture craft of tradition non-mercury button cell negative cover generally has two kinds: a kind of is that the substrate of first anticathode cover is electroplated, bottom copper facing in its outer surface nickel plating, zinc-plated or the indium at inner surface then, to plate good substrate again and adopt the punch forming of backwash method secondary, promptly earlier with inner surface outwardly direction strike out cup-shaped, again inner surface is recoiled once inwardly, this method is different with the metal of outer surface plating because of bottom in the substrate, make complex process, operability is not strong, and twice punching press damages coating easily when punching press, pin hole occurs, causes the percent defective height, for the rate of reducing the number of rejects and seconds, can adopt glue or cushion rubber to block the inwall pin hole, but some negative effects can occur like this, as increasing cost, reduction capacity etc.; Another kind is earlier the copper-plated plating sheet of bottom in the outer surface nickel plating to be struck out cover, zinc-plated or the indium in the cover inner surface again, this method is electroplated after because of first punching press, so coating tin or indium do not have mechanical damage, cover inwall pin hole is improved, but because of single face behind the punching press cover is electroplated, thus complex procedures, operating difficulties.As seen the difference of negative pole cover manufacture craft has bigger influence to battery efficiency.
Negative zinc cream is made up of major ingredient and additive; major ingredient is selected zinc powder and electric liquid usually for use; all contain mercury in the zinc powder at first; because zinc is very unsettled in the electrolyte aqueous solution; separate out hydrogen easily and cause self discharge; when adding mercury in negative pole, mercury forms layer protective layer at zinc surface---and zinc amalgam, suppressed zinc and separate out hydrogen in electrolyte.But mercury can produce to a certain degree pollution to environment, so people begin to seek the substitute of mercury.Indium and barium can replacement for mercury, and initial many personages are towards this direction test, and current part personage can make non-mercury button cell, but effect is not satisfactory, shows the cost height, and rate of finished products is low.
On the other hand, the utilance of selecting for use and filling a prescription to anode of positive electrode also has certain influence.
Summary of the invention
The object of the present invention is to provide the manufacture craft and the battery thereof of the non-mercury button cell that a kind of technology is simple, cost is low, rate of finished products is high, effective.
The present invention is achieved in that
A kind of manufacture craft of non-mercury button cell, comprise the making of negative pole cover, negative zinc cream and positive plate, negative zinc cream comprises mercury less zinc powder, electric liquid, zinc oxide, the manufacture craft process of negative pole cover is: earlier the substrate that is used for making the negative pole cover is electroplated, form the coat of metal at its outer surface and inner surface, then the plating plate inner surface that plates is carried out one time punching moldedly inwardly, need not to recoil once more.Opposite with general process for stamping, shaping mould is following, and counterdie is last.Comprise indium oxide and indium hydroxide in the negative zinc cream.
The plating sheet of described negative pole cover can be outer surface and interior bottom nickel plating, and inner surface is zinc-plated.This electro-plating method technology is simple, workable.
After the plating sheet of described negative pole cover is electroplated, it is heat-treated and mechanical stitch, i.e. heat leak 20～50 minutes in 160～200 ℃ of reducibility gas atmosphere, and then push with the steel rider of certain pressure.
Described negative zinc cream comprises the component of following weight portion: mercury less zinc powder 60～70, electric liquid 30～40, zinc oxide 0.3～1.0, polypropylene acid 0.2～0.8, sodium polyacrylate 0.2～0.8, indium oxide 0.02～1.0, indium hydroxide 0.02～1.0.
Described positive plate can be manganese sheet, oxidation silver strip or silver manganese oxide sheet.In the making of positive plate, as additive, can effectively improve the battery inflatable with the potassium permanganate in the nano-titanium oxide replacement traditional handicraft, improve anodal utilance greatly.
The negative pole cover of making according to the present invention is because plating earlier is one time punching molded then, so negative pole cover coating not easy damaged, pin hole is little and few, anti-limit fash can thoroughly improve, some negative effects that not only saved follow-up unnecessary operation (such as adding cushion rubber or glue is blocked pin hole) but also avoided subsequent handling to occur.And in electroplating process, increase heat treatment and mechanical stitch operation, make tin be penetrated into the nickel dam depths, organize fine and closely woven, the density height, during machining, coating is not easy damage.When going into overdrive to control the negative pole cover, adopt indium oxide and indium hydroxide to replace mercury or indium or barium both can reach the purpose of environmental protection, can reduce cost again, battery is respond well, and percent defective is low.
Description of drawings
Fig. 1 is the structural representation of non-mercury button cell.
Fig. 2 electroplates the coating structure schematic diagram of sheet for the negative pole cover.
Fig. 3 A and 3B are the punching press schematic diagram of the negative pole cover of conventional art.
Fig. 4 is the punching press schematic diagram of negative pole cover of the present invention.
Embodiment
The manufacture craft of non-mercury button cell is described below with reference to the accompanying drawings.
The manufacture craft of non-mercury button cell may further comprise the steps:
(1) making of negative pole cover 1: as shown in Figure 2, with iron plate 7 is substrate, bottom 9 plating one deck nickel in its outer surface 8 reaches, then at inner surface 10 plating one deck tin, the plating sheet of anticathode cover 1 is heat-treated and mechanical stitch then, i.e. heat leak 20～50 minutes in 160～200 ℃ of reducibility gas atmosphere, and then push with the steel rider of certain pressure, make the plating sheet of negative pole cover 1, then this plating plate inner surface 10 is carried out one time punching molded (as shown in Figure 4) inwardly, need not to recoil once more.Like this in the punching press cover process coating not easy damaged, pin hole is little and few, anti-limit fash can thoroughly improve, and the process for stamping of conventional art be earlier with inner surface 10 outwardly direction strike out cup-shaped (as shown in Figure 3A), again inner surface 10 is recoiled inwardly (shown in Fig. 3 B), because of stretching, very easily damage coating through recoil.Opposite with conventional art, this shaping mould is following, and counterdie is last.
(2) making of negative zinc cream 2: negative zinc cream 2 comprises the component of following weight portion: mercury less zinc powder 60～70, electric liquid 30～40, zinc oxide 0.3～1.0, polypropylene acid 0.2～0.8, sodium polyacrylate 0.2～0.8, indium oxide 0.02～1.0, indium hydroxide 0.02～1.0.
Find to use separately indium, indium oxide or indium hydroxide through a large amount of experiments in the negative zinc cream additive, to the not significantly effect of corrosion that prevents zinc, and indium oxide and indium hydroxide mix the corrosion that use can well prevent zinc according to a certain percentage.
(3) the negative pole cover 1 that the negative zinc cream 2 of above composition is packed into and overlapped sealing ring 3 makes negative pole.
(4) positive electrode manganese dioxide, graphite powder, electric liquid and nano-titanium oxide mixed-forming are made positive plate 5, in the anode cover 6 of packing into, inject electrolyte and incorporate barrier film 4 into, reinstall negative pole, through seal mercury-free basic zinc/Mn button battery.
Embodiment 2
Press embodiment 1 described technology and make mercury-free basic zinc/Mn button battery, the plating sheet of wherein said negative pole cover 1 is to carry out heat leak 30～40 minutes in 175～185 ℃ of reducibility gas atmosphere, and then pushes with the steel rider of certain pressure.
Embodiment 3
Press embodiment 1 described technology and make mercury-free basic zinc/Mn button battery, the plating sheet of wherein said negative pole cover 1 is to carry out heat leak 50 minutes in 160 ℃ of reducibility gas atmosphere, and then pushes with the steel rider of certain pressure.
Embodiment 4
Press embodiment 1 described technology and make mercury-free basic zinc/Mn button battery, the plating sheet of wherein said negative pole cover 1 is to carry out heat leak 20 minutes in 200 ℃ of reducibility gas atmosphere, and then pushes with the steel rider of certain pressure.
Press embodiment 1 described technology and make mercury-free basic zinc/Mn button battery, the plating sheet of wherein said negative pole cover 1 is to carry out heat leak 35 minutes in 180 ℃ of reducibility gas atmosphere, and then pushes with the steel rider of certain pressure.
Embodiment 8
Embodiment 9
Replace manganese sheet in the above-mentioned technical process with oxidation silver strip or silver manganese oxide mixing tab, can obtain mercury-free basic zinc/silver-colored button cell or mercury-free basic zinc/silver-colored Mn button battery.
Claims (9)
1. the manufacture craft of a non-mercury button cell, comprise the making of negative pole cover, negative zinc cream and positive plate, negative zinc cream comprises mercury less zinc powder, electric liquid, zinc oxide, it is characterized in that: the manufacture craft process of negative pole cover is: the substrate of first anticathode cover is electroplated, form the coat of metal at its outer surface and inner surface, then the substrate inner surface that plates is carried out one time punching moldedly inwardly, comprise indium oxide and indium hydroxide in the negative zinc cream.
2. the manufacture craft of non-mercury button cell as claimed in claim 1 is characterized in that: the nickel plating respectively of the substrate outer surface of negative pole cover and interior bottom, and zinc-plated at inner surface then.
3. the manufacture craft of the non-mercury button cell shown in claim 2, it is characterized in that: the negative pole cover that plates is electroplated sheet heat-treat and mechanical stitch, i.e. heat leak 20～50 minutes in 160～200 ℃ of reducibility gas atmosphere, and then push with the steel rider of certain pressure.
4. the manufacture craft of non-mercury button cell as claimed in claim 3, it is characterized in that: negative zinc cream comprises the component of following weight portion: mercury less zinc powder 60～70, electric liquid 30～40, zinc oxide 0.3～1.0, polypropylene acid 0.2～0.8, sodium polyacrylate 0.2～0.8, indium oxide 0.02～1.0, indium hydroxide 0.02～1.0.
5. the manufacture craft of non-mercury button cell as claimed in claim 3, it is characterized in that: the negative pole cover that plates is electroplated sheet heat-treat and mechanical stitch, i.e. heat leak 30～40 minutes in 175～185 ℃ of reducibility gas atmosphere, and then push with the steel rider of certain pressure; Described negative zinc cream comprises the component of following weight portion: mercury less zinc powder 60～70, electric liquid 30～40, zinc oxide 0.3～1.0, polypropylene acid 0.2～0.8, sodium polyacrylate 0.2～0.8, indium oxide 0.05～0.8, indium hydroxide 0.05～0.8.
6. the manufacture craft of non-mercury button cell as claimed in claim 1, it is characterized in that: described positive plate is manganese sheet, oxidation silver strip or silver manganese oxide mixing tab.
7. as the manufacture craft of claim 6 described non-mercury button cells, it is characterized in that: adopt nano-titanium oxide in the described positive plate as additive.
8. a non-mercury button cell that uses the described manufacture craft preparation of claim 1 comprises negative pole cover, negative zinc cream, positive plate and anode cover, and it is characterized in that: the outer surface of described negative pole cover and interior bottom are coated with nickel dam, and inner surface is coated with the tin layer.
9. non-mercury button cell as claimed in claim 8 is characterized in that: contain indium oxide and indium hydroxide in the additive of described negative zinc cream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100371774A CN100440592C (en) | 2006-08-24 | 2006-08-24 | Production of non-pump button battery and its battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100371774A CN100440592C (en) | 2006-08-24 | 2006-08-24 | Production of non-pump button battery and its battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1941461A CN1941461A (en) | 2007-04-04 |
| CN100440592C true CN100440592C (en) | 2008-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100371774A Active CN100440592C (en) | 2006-08-24 | 2006-08-24 | Production of non-pump button battery and its battery |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738468A (en) * | 2012-07-03 | 2012-10-17 | 北京中航长力能源科技有限公司 | Inorganic mercury-substituting inhibitor for prolonging storage life of zinc air battery |
| CN103280559A (en) * | 2013-03-06 | 2013-09-04 | 广州市兆拓实业有限公司 | Sealed zinc-nickel secondary cell zinc negative electrode, and cell and preparation method thereof |
| CN103866359B (en) * | 2014-03-25 | 2016-04-06 | 湖南永盛新材料股份有限公司 | Mercury-free button cell negative electrode cover material and preparation method thereof |
| CN106025223B (en) * | 2016-07-06 | 2018-11-02 | 东莞市天球实业有限公司 | A kind of mercury-free Ag-oxide button cell and preparation method thereof |
| CN106876619A (en) * | 2017-03-24 | 2017-06-20 | 徐良秀 | Negative cover of button mercury-free battery and preparation method thereof |
| CN109888320B (en) * | 2019-04-15 | 2021-08-03 | 东莞胜力电池实业有限公司 | Mercury-free silver oxide button cell and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2514498Y (en) * | 2001-10-19 | 2002-10-02 | 何永基 | Non-mercury-alkaline button cell |
| US6586139B1 (en) * | 1992-08-04 | 2003-07-01 | Seiko Instruments Inc. | Alkaline battery without mercury and electronic apparatus powered thereby |
| CN1446382A (en) * | 2000-08-09 | 2003-10-01 | 松下电器产业株式会社 | Coin-shaped battery |
| CN200941406Y (en) * | 2006-08-24 | 2007-08-29 | 广州市天球实业有限公司 | Non-mercury button cell |
-
2006
- 2006-08-24 CN CNB2006100371774A patent/CN100440592C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6586139B1 (en) * | 1992-08-04 | 2003-07-01 | Seiko Instruments Inc. | Alkaline battery without mercury and electronic apparatus powered thereby |
| CN1446382A (en) * | 2000-08-09 | 2003-10-01 | 松下电器产业株式会社 | Coin-shaped battery |
| CN2514498Y (en) * | 2001-10-19 | 2002-10-02 | 何永基 | Non-mercury-alkaline button cell |
| CN200941406Y (en) * | 2006-08-24 | 2007-08-29 | 广州市天球实业有限公司 | Non-mercury button cell |
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| Publication number | Publication date |
|---|---|
| CN1941461A (en) | 2007-04-04 |
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| SE01 | Entry into force of request for substantive examination | ||
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Effective date of registration: 20160118 Address after: 523141 Guangdong Province, Dongguan City Industrial Zone the new base Machong Town Industrial Park Patentee after: Dongguan Tianqiu Enterprise Co., Ltd. Address before: Nine, building 26-30, 510000 Yi Jie, Sanyuanli Avenue Road, Baiyun District, Guangdong, Guangzhou Patentee before: Guangzhou Tianqiu Industrial Co., Ltd. |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Tianhou Inventor before: Huang Tianhou Inventor before: Jin Hai Inventor before: Zhu Shengbo |