CN206650136U - Novel lithium battery - Google Patents
Novel lithium battery Download PDFInfo
- Publication number
- CN206650136U CN206650136U CN201720269940.XU CN201720269940U CN206650136U CN 206650136 U CN206650136 U CN 206650136U CN 201720269940 U CN201720269940 U CN 201720269940U CN 206650136 U CN206650136 U CN 206650136U
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- Prior art keywords
- battery
- cover plate
- lithium
- lithium battery
- connecting sheet
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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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- Secondary Cells (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model belongs to the battery field specifically discloses a novel lithium cell. The novel lithium battery comprises a positive electrode, a negative electrode, a connecting sheet, organic electrolyte, a diaphragm, a cover plate, a metal shell, a safety valve and an insulating plate; the positive electrode and the negative electrode are respectively connected with the cover plate and the metal shell; a constant value resistor is connected in series in the cover plate; wherein the active material in the anode is lithium iron phosphate, and the active material in the cathode is lithium titanate. The battery can realize the voltage drop of 0.25-0.35V by connecting the constant value resistors with different resistance values in series in the cover plate, ensures that the voltage of the battery is between 1.45-1.60V on different current discharge platforms, and solves the problem of high working voltage of the existing lithium battery; thereby enabling the battery to replace the application of the traditional disposable dry battery in various application fields, such as remote controllers, toys, household appliances and the like.
Description
Technical Field
The utility model belongs to the battery field, concretely relates to novel lithium battery.
Background
At present, most of batteries used in the market are alkaline manganese/zinc manganese batteries, which belong to disposable dry batteries, and the output voltage of the batteries is about 1.5V. Because the waste batteries contain heavy metal toxic substances such as mercury, cadmium, lead, zinc and the like, the waste batteries cause serious harm to the environment and human bodies, and can only be used once, and can not be charged for use after discharging, the whole value and the environmental protection value are lower, so the waste batteries are gradually replaced by the lithium batteries with high energy ratio, light weight and environmental protection. However, the output voltage of the conventional lithium battery is generally about 4.2V, and thus the conventional lithium battery is not widely used in the field of household appliances suitable for batteries No. 5 and No. 7.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a novel lithium battery is provided, this lithium battery possesses environmental protection, longe-lived, the fast characteristic of charging.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: the novel lithium battery comprises a positive electrode, a negative electrode, a connecting sheet, organic electrolyte, a diaphragm, a cover plate, a metal shell, a safety valve and an insulating plate; the device is characterized in that the anode is connected with the cover plate through a connecting sheet, and the cathode is connected with the metal shell through a connecting sheet; a constant value resistor is connected in series in the cover plate; wherein, the active material in the anode is lithium iron phosphate, and the active material in the cathode is lithium titanate.
The utility model discloses another technical scheme who adopts is: the novel lithium battery comprises a positive electrode, a negative electrode, a connecting sheet, organic electrolyte, a diaphragm, a cover plate, a metal shell, a safety valve and an insulating plate; the device is characterized in that the anode is connected with the metal shell through a connecting sheet, and the cathode is connected with the cover plate through a connecting sheet; a constant value resistor is connected in series in the cover plate; wherein, the active material in the anode is lithium iron phosphate, and the active material in the cathode is lithium titanate.
Further, the fixed value resistor is in a ring shape.
Furthermore, the diaphragm is a polypropylene film or a polyethylene film, the connecting sheet is an aluminum sheet, and the metal shell is a nickel-plated steel shell.
Further, the anode is prepared by coating lithium iron phosphate, a conductive agent and an adhesive on an aluminum foil according to a mass ratio of 80-95: 1-15.
Furthermore, the negative electrode is prepared by coating lithium titanate, a conductive agent and an adhesive on an aluminum foil according to the mass ratio of 80-95: 1-15.
Further, the organic electrolytic solution includes a lithium salt as a solute and a carbonate as a solvent.
Further, in the organic electrolytic solution, the lithium salt is lithium hexafluorophosphate or lithium tetrafluoroborate.
Further, the conductive agent is at least one of conductive carbon black and conductive graphite.
Furthermore, the connecting sheet is an aluminum sheet, and the metal shell is a nickel-plated steel shell.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the novel lithium battery provided by the utility model can realize a voltage drop of 0.25-0.35V by serially connecting the constant value resistors with different resistance values in the cover plate, ensures that the battery is between 1.45-1.60V at different current discharge platforms, and solves the problem of high working voltage of the existing lithium battery; so that the battery can replace the application of the traditional disposable dry battery in various application fields, such as remote controllers, toys, small household appliances and the like; the battery can be made into various sizes according to requirements, such as a conventional No. 5 battery (14480) and a No. 7 battery (10430).
2. The novel lithium battery has the characteristic of quick charge, can be fully charged within 5-10 minutes, and provides good application experience for users at any time;
3. the novel lithium battery has long service life, can meet the requirements of charging and discharging more than 10000 times, and can meet the requirement of 30 years of use even if the novel lithium battery is used once a day; moreover, the battery is a novel environment-friendly battery and does not contain heavy metal elements or other harmful substances.
Drawings
Fig. 1 is a schematic structural diagram of a novel lithium battery of the present invention;
reference numerals: 1-anode, 2-cathode, 3-connecting sheet, 4-diaphragm, 5-cover plate, 6-metal shell, 7-safety valve, 8-insulating plate and 9-constant resistance.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the novel lithium battery provided by the present invention comprises an anode 1, a cathode 2, a connecting sheet 3, an organic electrolyte, a diaphragm 4, a cover plate 5, a metal shell 6, a safety valve 7, and an insulating plate 8; the anode 1 is connected with the cover plate 5 through a connecting sheet 3, and the cathode 2 is connected with the metal shell 6 through the connecting sheet 3; a fixed value resistor 9 is connected in series in the cover plate 5; wherein, the active material in the anode 1 is lithium iron phosphate, and the active material in the cathode 2 is lithium titanate. The diaphragm 4 is a polypropylene film or a polyethylene film; the anode 1 is prepared by coating lithium iron phosphate, a conductive agent and an adhesive on an aluminum foil according to the mass ratio of 91.5: 4.5: 4.0 and preparing according to design parameters of products with different sizes; the cathode 2 is prepared by coating lithium titanate, a conductive agent and an adhesive on an aluminum foil according to a mass ratio of 92.8: 3.5: 3.7 and preparing according to design parameters of products with different sizes. The conductive agent is conductive carbon black or conductive graphite, the connecting sheet is preferably an aluminum sheet, the metal shell is preferably a nickel-plated steel shell, and the fixed value resistor is preferably circular in shape so as to be connected in series in the cover plate. The organic electrolyte comprises a fluorine-containing lithium salt (preferably lithium hexafluorophosphate or lithium tetrafluoroborate) as a solute and a carbonate ester as a solvent, which is commonly used in the art.
The anode and cathode active materials of the novel lithium battery are matched as follows: the lithium iron phosphate is matched with lithium titanate, and the potential difference is between 1.8 and 1.85V. The cover plate of the battery is connected with a constant value resistor with different resistance values in series, so that the voltage drop of about 0.25-0.35V is realized, and the problem of high working voltage of the conventional lithium battery is solved, thereby ensuring that the potential difference of the battery on different current discharge platforms is between 1.45 and 1.60V. The resistance value of the constant value resistor is set according to the application field of the battery: for example, the discharge current is 1A in application, and the resistance value is set to 0.3 omega; if the discharge current is 200mA, the resistance value is set to 1.5. Omega. The battery can replace the application of the traditional disposable dry battery in various application fields, and is similar to remote controllers, toys, small household appliances and the like; and can be made into various sizes according to requirements, such as a conventional No. 5 battery (14480) and a No. 7 battery (10430).
Meanwhile, the novel lithium battery has the characteristic of quick charge, can be fully charged within 5-10 minutes, and provides good application experience for users at any time; the novel lithium battery has long service life, can meet the requirements of charging and discharging more than 10000 times, and can meet the requirement of 30 years of use even if the novel lithium battery is used once a day; as a novel environment-friendly battery, the battery does not contain heavy metal elements or other harmful substances.
Claims (6)
1. A novel lithium battery comprises a positive electrode, a negative electrode, a connecting sheet, organic electrolyte, a diaphragm, a cover plate, a metal shell, a safety valve and an insulating plate; the lithium battery is characterized in that the anode is connected with the cover plate through a connecting sheet, and the cathode is connected with the metal shell through a connecting sheet; a constant value resistor is connected in series in the cover plate; wherein, the active material in the anode is lithium iron phosphate, and the active material in the cathode is lithium titanate.
2. A novel lithium battery comprises a positive electrode, a negative electrode, a connecting sheet, organic electrolyte, a diaphragm, a cover plate, a metal shell, a safety valve and an insulating plate; the device is characterized in that the anode is connected with the metal shell through a connecting sheet, and the cathode is connected with the cover plate through a connecting sheet; a constant value resistor is connected in series in the cover plate; wherein, the active material in the anode is lithium iron phosphate, and the active material in the cathode is lithium titanate.
3. The novel lithium battery as claimed in claim 1 or 2, wherein the constant value resistor is in the shape of a circular ring.
4. The novel lithium battery as claimed in claim 1 or 2, wherein the separator is a polypropylene film or a polyethylene film, the connecting sheet is an aluminum sheet, and the metal case is a nickel-plated steel case.
5. A novel lithium battery as claimed in claim 1 or 2, characterized in that the composition of the organic electrolyte comprises a lithium salt as solute and a carbonate as solvent.
6. The novel lithium battery of claim 5 wherein the lithium salt is lithium hexafluorophosphate or lithium tetrafluoroborate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720269940.XU CN206650136U (en) | 2017-03-20 | 2017-03-20 | Novel lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720269940.XU CN206650136U (en) | 2017-03-20 | 2017-03-20 | Novel lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206650136U true CN206650136U (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720269940.XU Expired - Fee Related CN206650136U (en) | 2017-03-20 | 2017-03-20 | Novel lithium battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898712A (en) * | 2017-03-20 | 2017-06-27 | 天津众源科技有限公司 | Novel lithium battery and application thereof |
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2017
- 2017-03-20 CN CN201720269940.XU patent/CN206650136U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898712A (en) * | 2017-03-20 | 2017-06-27 | 天津众源科技有限公司 | Novel lithium battery and application thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171117 Termination date: 20180320 |
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| CF01 | Termination of patent right due to non-payment of annual fee |