CN1168544A - Accumulator with zinc negative plate - Google Patents
- ️Wed Dec 24 1997
CN1168544A - Accumulator with zinc negative plate - Google Patents
Accumulator with zinc negative plate Download PDFInfo
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Publication number
- CN1168544A CN1168544A CN97108517A CN97108517A CN1168544A CN 1168544 A CN1168544 A CN 1168544A CN 97108517 A CN97108517 A CN 97108517A CN 97108517 A CN97108517 A CN 97108517A CN 1168544 A CN1168544 A CN 1168544A Authority
- CN
- China Prior art keywords
- negative
- zinc
- accumulator
- negative pole
- oxide Prior art date
- 1997-06-02 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.)
- Pending
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Classifications
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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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- Battery Electrode And Active Subsutance (AREA)
Abstract
The accumulator features that on the surface of active negative pole, is covered one layer of oxide or hydroxide of Mg or Ca. The present invention can thoroughly prevent the growth of zinc dendrite and thus prevent inner short-circuit failure of accumulator. The said accumulator has high capacity, low cost and long life of re-charge 1000-2000 times and can charge at very high speed.
Description
The present invention relates to rechargeable battery, particularly a kind of is the alkaline battery of negative active core-shell material with zinc.
Any storage battery all is made up of major parts such as positive pole, negative pole, electrolyte, barrier film and shells.Widely used in the world at present storage battery mainly contains lead acid accumulator and alkaline battery two classes.Most popular in the alkaline battery is cadmium nickel and Hawkins cell, their operating voltage, capacity delivery efficiency, and the energy delivery efficiency is all lower.Particularly in energy density, self discharge, production cost aspect exist obviously not enough.Lead-acid battery, ickel-cadmium cell all relate to poisonous electrode material, all can cause very big murder by poisoning to human and environment, and increase cost.Liu built political affairs once to have proposed application number is 96118642.9 on March 18th, 1996, and invention and created name is a high-energy, capacity zinc negative pole basic accumulator or dry cell, and this battery has significantly reduced self-discharge phenomenon, and has reduced the energy for growth of the brilliant skill of zinc.But in further deep research process, find that this battery under the large current charge and the situation of overcharging, the brilliant skill extension of zinc still occurs.The zinc dendrite arm of separating out on the electrode is grown to positive extreme direction, and it can penetrate barrier film, contacts with positive pole, causes internal short-circuit of battery, and is extremely harmful.
Order of the present invention ground is the above-mentioned shortcoming that will overcome prior art, and a kind of improved zinc negative pole basic accumulator is provided, and eliminates the energy for growth of zinc crystalline substance fully, stops internal short-circuit of battery.Thereby make the serviceability of storage battery better.
Solution of the present invention comprises anodal material containing plate, positive electrode active materials and negative pole material containing plate, negative active core-shell material, negative pole epiphragma and electrolyte etc.Wherein negative active core-shell material is the mixing paste of zinc oxide and zinc powder.It is characterized in that said negative pole epiphragma adopts the oxide or the hydroxide of magnesium, can also adopt the oxide or the hydroxide of calcium.The thickness of negative pole epiphragma is the 0.5-1 millimeter.
The said negative pole epiphragma of the present invention, topped in the surface of negative active core-shell material.Ion----[Zn (OH) of negative cover membrane material of the present invention in can Electolyte-absorptive 4] 2-, the zincate Ca[Zn (OH) of generation indissoluble 4] or M8[Zn (OH) 4].In charging process, the zinc in the zincate still can obtain reduction.Yet the zinc crystal of separating out by negative pole epiphragma control of the present invention, can not grow into dendrite arm arbitrarily.So just stoped growth fully, and caused the harm of battery internal short-circuit owing to the zinc dendrite arm.
Embodiments of the invention are below described.
Enforcement of the present invention can be that the integral body that 96118642.9 Chinese patent technology is carried out storage battery is manufactured according to the application number of Liu Jianzheng invention.Only different is when manufacturing negative pole, and zinc oxide and zinc powder are combined, and adds water and mixes lotion, evenly be applied on the negative pole material containing plate after, again the negative cover membrane material (dry powder shape) that measures all is dispersed in the lotion surface.And then pack.After the present invention manufactures, carry out big current cycle by table 1 and discharge and recharge.Table one
| Cycle-index | Charge condition | Discharging condition | ||
| Electric current A | The special continuous time | Electric current A | Final voltage V | |
| ???550 | ???2C 5 | ??40min | ??1C 5 | ?1.0 |
The present invention is undertaken 550 times by table one and discharges and recharges, and the result does not find that the brilliant utmost point of zinc forms, and internal short-circuit does not appear in battery.
The application number of the present invention and Liu Jianzheng invention is that 96118642.9 Chinese patent technology is compared.
1. the present invention still keeps original advantage, has overcome original zinc dendrite arm epitaxial growth phenomenon, the stifled exhausted serious harm of battery internal short-circuit.
2. the present invention can carry out large current charge, charging rate than the fast 3-4 of the maximum speed of cadmium-nickel accumulator doubly, than the fast 15-20 of high charge speed of lead-acid battery doubly.
3. the negative cover membrane material of the present invention's employing is very cheap.
4. the present invention has very high promotional value, and its achievement is development zinc, ickel accumulator, silver-zinc storage battery, and empty zinc battery, zinc manganese accumulators etc. are laid a solid foundation.The zinc of having succeeded in developing at present, the prospect that ickel accumulator has superseded nickel cadmium cell.The present invention further reduces cost by further further investigation, eliminates lead acid accumulator, also can realize soon.
Claims (3)
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One, accumulator with zinc negative plate comprises housing, anodal material containing plate, and positive plate active material, negative pole material containing plate, active material of negative electrode, negative pole epiphragma and electrolyte, said negative active core-shell material are the mixing pastes of zinc oxide and zinc powder.It is characterized in that said negative cover membrane material adopts the oxide or the hydroxide of magnesium, also can adopt the oxide or the hydroxide of calcium.
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Two,, it is characterized in that said negative cover film thickness is the 0.5-1 millimeter as the described storage battery of claim one.
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Three, as the described storage battery of claim one, it is characterized in that said negative pole epiphragma, topped in the surface of negative active core-shell material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97108517A CN1168544A (en) | 1997-06-02 | 1997-06-02 | Accumulator with zinc negative plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97108517A CN1168544A (en) | 1997-06-02 | 1997-06-02 | Accumulator with zinc negative plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1168544A true CN1168544A (en) | 1997-12-24 |
Family
ID=5170490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97108517A Pending CN1168544A (en) | 1997-06-02 | 1997-06-02 | Accumulator with zinc negative plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1168544A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024994A (en) * | 2010-11-30 | 2011-04-20 | 辽宁九夷三普电池有限公司 | Nickel-zinc secondary battery and preparation method thereof |
| CN102013526B (en) * | 2009-09-08 | 2012-08-29 | 清华大学深圳研究生院 | Rechargeable zinc ion battery |
| CN109065849A (en) * | 2018-06-26 | 2018-12-21 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of capacitance material and preparation method thereof for zinc-silver oxide cell cathode |
-
1997
- 1997-06-02 CN CN97108517A patent/CN1168544A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013526B (en) * | 2009-09-08 | 2012-08-29 | 清华大学深圳研究生院 | Rechargeable zinc ion battery |
| CN102024994A (en) * | 2010-11-30 | 2011-04-20 | 辽宁九夷三普电池有限公司 | Nickel-zinc secondary battery and preparation method thereof |
| CN109065849A (en) * | 2018-06-26 | 2018-12-21 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of capacitance material and preparation method thereof for zinc-silver oxide cell cathode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 1997-12-03 | C10 | Entry into substantive examination | |
| 1997-12-03 | SE01 | Entry into force of request for substantive examination | |
| 1997-12-24 | C06 | Publication | |
| 1997-12-24 | PB01 | Publication | |
| 2000-10-04 | C01 | Deemed withdrawal of patent application (patent law 1993) | |
| 2000-10-04 | WD01 | Invention patent application deemed withdrawn after publication |