CN2138347Y - Chargeable alkaline zinc-manganese cell - Google Patents
Chargeable alkaline zinc-manganese cell Download PDFInfo
- Publication number
- CN2138347Y CN2138347Y CN92232326U CN92232326U CN2138347Y CN 2138347 Y CN2138347 Y CN 2138347Y CN 92232326 U CN92232326 U CN 92232326U CN 92232326 U CN92232326 U CN 92232326U CN 2138347 Y CN2138347 Y CN 2138347Y
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- China
- Prior art keywords
- battery
- manganese dioxide
- utility
- alkaline zinc
- dioxide powder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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 utility model belongs to an alkaline zinc-manganese battery, and is a novel rechargeable battery developed on the basis of an alkaline zinc-manganese primary battery. The utility model is mainly characterized in that the anode is composed of three overlapped electrolytic manganese dioxide powder rings, a metal ring is arranged between every two electrolytic manganese dioxide powder rings, a copper needle and a copper sheet are connected together to be used as the current collector of the cathode, and a diaphragm between the anode and the cathode is made of a composite film. The utility model provides a battery that low price, capacious, specific energy height, discharge voltage are steady, can charge and discharge 100 times repeatedly, both can the energy saving, reducible environmental pollution again, it has apparent economic benefits.
Description
The utility model belongs to an alkaline zinc-manganese battery, which is a novel rechargeable battery developed on the basis of an alkaline zinc-manganese primary battery.
Most of the existing cylindrical sealed rechargeable batteries belong to cadmium-NICKEL batteries, such as NICKEL-CADMI UM BATTERY produced by Shapu company of Japan, and have certain limitations on popularization and use due to high cost and high price. U.S. patent (U.S. Pat. No. 3,945,847) filed 1976 by the electrochemical home k.v. kordesch, incorporated herein by reference, for the manufacture of wound, rechargeable alkaline manganese cells by adding a conductive binder to manganese dioxide powder; U.S. patent No. 4,384,029 to KORDESCH, 1983, addresses the precaution of loosening and volume expansion of the positive electrode powder during charging and discharging of a rechargeable alkaline zinc-manganese battery, by securing a ring of manganese dioxide powder externally with a rigid metal cylinder and internally with a porous metal cylinder. However, the measure for limiting the loosening and volume expansion of the cathode powder is not suitable for large-scale production, and has complex process and difficult operation; meanwhile, the measures adopted by the battery charging and discharging device only limit transverse expansion but cannot limit longitudinal expansion, and in addition, the produced battery is high in cost and has no obvious effect of prolonging the charging and discharging service life of the battery.
An object of the utility model is to provide a low price, capacious, specific energy height, discharge voltage steady, from discharge rate low, the storage time is long, operating temperature wide range, no memory effect, use the abundant basic zinc-manganese dioxide battery of raw and other materials of reserves.
The utility model discloses an anodal powder ring that adopts three with electrolytic manganese dioxide powder to make adds a becket between per two powder rings, adopts three powder ring to be favorable to the shaping of the anodal powder of battery to make anodal powder press tighter, reduce the anodal internal resistance of battery. The metal ring is added to enhance the conductivity of the battery powder, and has an inhibiting effect on loosening of the positive electrode powder caused by lattice expansion of manganese dioxide powder in the charging and discharging processes. The utility model uses electrolytic manganese dioxide powder ring as the anode, KOH solution as electrolyte and iron shell as the anode current collector.
The utility model discloses make the negative pole with the calamine cream, the calamine cream is formed by KOH solution and zinc powder preparation, and copper needle and copper sheet link together as the mass flow body of battery negative pole, are favorable to the charge and discharge of zinc powder like this, and it has solved present domestic and foreign chargeable basicity zinc-manganese battery and has adopted the copper needle to make the mass flow body and bring the problem that is unfavorable for zinc powder deposition. Most of the existing alkaline zinc-manganese batteries adopt vinylon as a diaphragm between a positive electrode and a negative electrode, but after the zinc powder in the battery is charged and discharged, dendrites are easily generated to penetrate through the diaphragm, so that the battery is short-circuited. In order to solve the problem, the utility model discloses a polyolefin graft membrane compound dimension nylon membrane is as the diaphragm of chargeable basicity zinc-manganese dioxide battery, and this kind of complex film has higher intensity and less internal resistance, has fully satisfied the needs of battery charge and discharge.
The utility model discloses operating temperature wide range (-20 ℃ -60 ℃), the battery is sold with the SOC, and the first use need not to charge, and easy recharging after using up can charge and discharge 100 times repeatedly, both can the energy saving, reducible environmental pollution again, and with low costs, the electrical property is good, has apparent economic benefits moreover.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is a longitudinal sectional view of an embodiment of the present invention.
Fig. 2 is a discharge curve diagram of an embodiment of the present invention.
Fig. 3 is a discharge graph of a "rechargeable battery" (u.s.patent4, 384, 029).
Referring to fig. 1,1 is an iron case, 2 is an electrolytic manganese dioxide powder ring, 3 is a composite film, 4 is a copper pin, 5 is a metal ring (iron ring), 6 is a copper sheet, and 7 is a zinc paste.
Referring to fig. 2, there are 5 curves showing the discharge curves at the beginning, 50 cycles, 100 cycles, 150 cycles, and 200 cycles, respectively, according to the embodiment of the present invention.
Referring to fig. 3, there is shown a discharge curve of a "rechargeable battery" (u.s.patent4, 384, 029) when a manganese dioxide electrode is subjected to a fixed pressure of 500N/CM.
Claims (1)
1. A rechargeable alkaline zinc-manganese dioxide battery, use electrolytic manganese dioxide powder ring (2) as the positive pole, use the body of iron (1) as the anodal mass flow, use the calamine cream (7) as the negative pole, use the copper needle (4) -as the negative mass flow, use KOH solution as the electrolyte, the positive pole is separated with the diaphragm (3) between the negative pole, characterized by that the positive pole is made up of three electrolytic manganese dioxide powder rings (2) that overlap, put a metal ring (5) between every two electrolytic manganese dioxide powder rings (2), the copper needle (4) is connected with copper sheet (6); the diaphragm (3) is a composite film, which is formed by compounding a polyolefin graft film and a vinylon film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92232326U CN2138347Y (en) | 1992-08-31 | 1992-08-31 | Chargeable alkaline zinc-manganese cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92232326U CN2138347Y (en) | 1992-08-31 | 1992-08-31 | Chargeable alkaline zinc-manganese cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2138347Y true CN2138347Y (en) | 1993-07-14 |
Family
ID=33774946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92232326U Expired - Fee Related CN2138347Y (en) | 1992-08-31 | 1992-08-31 | Chargeable alkaline zinc-manganese cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2138347Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072847C (en) * | 1996-11-24 | 2001-10-10 | 新疆大学 | Alkaline hydrogen (MH)/manganese deoxide chargeable cell |
-
1992
- 1992-08-31 CN CN92232326U patent/CN2138347Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072847C (en) * | 1996-11-24 | 2001-10-10 | 新疆大学 | Alkaline hydrogen (MH)/manganese deoxide chargeable cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |