CN109671896A - A kind of thin type lithium-manganese flexible-packed battery that safety is good - Google Patents
A kind of thin type lithium-manganese flexible-packed battery that safety is good Download PDFInfo
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- CN109671896A CN109671896A CN201811528885.7A CN201811528885A CN109671896A CN 109671896 A CN109671896 A CN 109671896A CN 201811528885 A CN201811528885 A CN 201811528885A CN 109671896 A CN109671896 A CN 109671896A
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- Prior art keywords
- lithium
- battery
- manganese
- electrolyte
- thin type
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- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 title claims abstract description 36
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 51
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 25
- 239000003792 electrolyte Substances 0.000 claims abstract description 24
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 claims abstract description 20
- 229910001486 lithium perchlorate Inorganic materials 0.000 claims abstract description 19
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical class FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229960002645 boric acid Drugs 0.000 claims abstract description 17
- 235000010338 boric acid Nutrition 0.000 claims abstract description 17
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 17
- 235000006408 oxalic acid Nutrition 0.000 claims abstract description 17
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 16
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 9
- 239000003960 organic solvent Substances 0.000 claims abstract description 8
- 239000005486 organic electrolyte Substances 0.000 claims abstract description 5
- 238000005476 soldering Methods 0.000 claims abstract description 5
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 6
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 3
- SIXOAUAWLZKQKX-UHFFFAOYSA-N carbonic acid;prop-1-ene Chemical compound CC=C.OC(O)=O SIXOAUAWLZKQKX-UHFFFAOYSA-N 0.000 claims description 3
- BYKSDPYYTJQZOA-UHFFFAOYSA-N difluoro oxalate Chemical compound FOC(=O)C(=O)OF BYKSDPYYTJQZOA-UHFFFAOYSA-N 0.000 claims description 3
- 150000004862 dioxolanes Chemical class 0.000 claims description 3
- RIUWBIIVUYSTCN-UHFFFAOYSA-N trilithium borate Chemical compound [Li+].[Li+].[Li+].[O-]B([O-])[O-] RIUWBIIVUYSTCN-UHFFFAOYSA-N 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- KWWDVIIKMNQADG-UHFFFAOYSA-N boric acid;difluoro oxalate Chemical group OB(O)O.FOC(=O)C(=O)OF KWWDVIIKMNQADG-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 241000872198 Serjania polyphylla Species 0.000 description 1
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 239000006183 anode active material Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- SOHBHOFMMCSVMW-UHFFFAOYSA-N boric acid;difluoro oxalate;lithium Chemical compound [Li].OB(O)O.FOC(=O)C(=O)OF SOHBHOFMMCSVMW-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- VYQRBKCKQCRYEE-UHFFFAOYSA-N ctk1a7239 Chemical compound C12=CC=CC=C2N2CC=CC3=NC=CC1=C32 VYQRBKCKQCRYEE-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Primary Cells (AREA)
Abstract
The invention belongs to chemical cell fields, more particularly to a kind of thin type lithium-manganese flexible-packed battery that safety is good, it includes cavity made of being fastened as cardboard and blister cover, battery pack is equipped in the cavity, along setting, there are two electrode circular hole, the line of centres parallel cardboard upper side edge edges of two electrode circular holes on the cardboard；Metal square piece is covered each by and is pasted on two electrode circular holes, and the battery pack is connected in series by lithium-manganese cell core by PTC；The metal square piece with battery pack is connect by electric resistance welding or laser welding or soldering mode；The lithium-manganese cell core includes positive/negative plate and electrolyte；The electrolyte includes organic solvent and electrolyte.For the safety issue for solving battery, the lithium-manganese cell core electrolyte is the mixing lithium salts of difluorine oxalic acid boracic acid lithium and lithium perchlorate；Battery structure of the present invention is formed plus the unique of electrolyte, so that battery of the present invention has discharging efficiency high, using safe feature, especially suitable for camera battery.
Description
Technical field
The present invention relates to the good thin type lithium-manganese flexible-packed batteries of a kind of chemical cell field more particularly to a kind of safety.
Background technique
Existing Polaroid camera power consumption is larger, and common dry cell is unable to satisfy its requirement.Lithium-manganese cell is as special
The industrial use battery of industry, does not allow to be readily available on the market, and there are hidden danger in the lithium battery safety of power-type, and camera
As normal domestic electronic product, safety seems increasingly important again, therefore, designs a kind of can be built in phase carton
Has high power discharge ability, and the bat with superelevation safety is vertical that camera battery is just very significant.Existing camera
In battery, although some powers of battery reach, but mostly use parallel diode or other wiring boards in existing design greatly
Mode protects battery, but practical operation is very complicated, and each battery will additionally increase a diode or wiring board, production
It is complicated for operation.
Summary of the invention
In view of the above technical problems, high, safety that the technical problem to be solved by the invention is to provide a kind of discharging efficiencies
It can thin type lithium-manganese flexible-packed battery.
The invention solves above-mentioned technical problems to be achieved through the following technical solutions: a kind of thin type lithium that safety is good
Manganese flexible-packed battery, including the cavity as made of cardboard and blister cover fastening, the cavity is interior to be equipped with battery pack, the paper
Along setting, there are two electrode circular hole, the line of centres parallel cardboard upper side edge edges of two electrode circular holes on plate；In two electrodes
Metal square piece is covered each by and is pasted on circular hole, and the battery pack is connected in series by lithium-manganese cell core by PTC；Institute
The metal square piece stated with battery pack is connect by electric resistance welding or laser welding or soldering mode；The lithium-manganese cell core includes
Positive/negative plate and electrolyte；The electrolyte includes organic solvent and electrolyte, and the electrolyte is difluoro oxalate boric acid
The mixing lithium salts of lithium and lithium perchlorate；The molar concentration ratio of the difluorine oxalic acid boracic acid lithium LiDFOB and lithium perchlorate LiCLO4
For 4:1~1:4.
Further, in the good thin type lithium-manganese flexible-packed battery of above-mentioned safety, the difluorine oxalic acid boracic acid lithium LiDFOB
Molar concentration ratio with lithium perchlorate LiCLO4 is 2:1~1:2.Quality of the difluorine oxalic acid boracic acid lithium in mixing lithium salts
Specific gravity is 10~90 ﹪, and preferred mass specific gravity is 10~60 ﹪.The organic solvent is propene carbonate PC, ethylene carbonate
One of EC, dimethyl carbonate DMC, glycol dimethyl ether DME ﹑ dioxolanes DOL or a variety of mixtures.
The exit of the positive/negative plate be equipped with electrode leading-out sheet, the lithium-manganese cell core by electrode leading-out sheet with
Metal disk connection.The electrode draws end and cardboard between this and is equipped with insulating surfaces pad.The lithium-manganese cell core is at least 2.
Compared with prior art, thin type lithium-manganese flexible-packed battery of the present invention, including as made of cardboard and blister cover fastening
Cavity, the cavity is interior to be equipped with battery pack, and edge is set there are two electrode circular hole on the cardboard, and the center of two electrode circular holes connects
Line parallel cardboard upper side edge edge；Metal square piece, the battery are covered each by and are pasted on two electrode circular holes
Group is connected in series by lithium-manganese cell core by PTC；The metal square piece and battery pack is by electric resistance welding or Laser Welding
It connects or soldering mode connects；The lithium-manganese cell core includes positive/negative plate and electrolyte；The electrolyte includes organic molten
Agent and electrolyte, the electrolyte are the mixing lithium salts of difluorine oxalic acid boracic acid lithium and lithium perchlorate；The difluoro oxalate boric acid
The molar concentration ratio of lithium LiDFOB and lithium perchlorate LiCLO4 is 4:1~1:4.Two poles in parallel are mostly used in existing design greatly
The mode of pipe or other wiring boards protects battery, but practical operation is very complicated, and each battery will additionally increase by one
Diode or wiring board.The present invention reduces operation complexity by the improvement of battery system to get rid of diode.From
On the basis of not reducing battery capacity, solve the problems, such as that existing thin type lithium-manganese flexible-packed battery safety is poor.Electricity of the invention
Pool structure is plus unique composition of electrolyte, so that battery of the invention has, discharging efficiency is high, using safe feature, especially
Suitable for camera battery.
Detailed description of the invention
Fig. 1 is the battery explosion figure of the embodiment of the present invention 1；
Fig. 2 is the battery assembly figure of the embodiment of the present invention 1；
Wherein: 1 cardboard, 2 blister covers, 3 electrode circular holes, 4 metal square pieces, 5PTC, 6 lithium-manganese cell cores, 7 insulating surfaces pads.
Specific embodiment
Purport of the invention is to provide a kind of structure of camera battery, in conjunction with lithium battery electrolytes, i.e. difluoro oxalate boric acid
Lithium LiDFOB, difluorine oxalic acid boracic acid lithium is used in mixed way with the higher lithium salts of conductivity, on the basis of not reducing battery capacity, solution
The certainly problem of camera battery safety difference.The contents of the present invention are described in further detail in conjunction with the embodiments below by attached drawing, it is real
Applying the content mentioned in example is not limitation of the invention, the selection of battery material can adaptation to local conditions and essence is had no to result
Property influence.
Embodiment 1
Such as Fig. 1,2: a kind of thin type lithium-manganese flexible-packed battery that safety is good, including fastened by cardboard 1 and blister cover 2
Cavity, battery pack is equipped in the cavity, along setting there are two electrode circular hole 3 on the cardboard 1, in two electrode circular holes
Heart line parallel cardboard upper side edge edge；Metal square piece 4 is covered each by and is pasted on two electrode circular holes 3, it is described
Battery pack be connected in series by lithium-manganese cell core 6 by PTC 5；The metal square piece and battery pack is to pass through electric resistance welding
Or laser welding or soldering mode connect；The lithium-manganese cell core includes positive/negative plate and electrolyte；The electrolyte packet
Organic solvent and electrolyte are included, the electrolyte is the mixing lithium salts of difluorine oxalic acid boracic acid lithium and lithium perchlorate.The lithium
Manganese cell core includes positive/negative plate and electrolyte；The electrolyte includes organic solvent and electrolyte, and the electrolyte is
Lithium salts is mixed, the mixing lithium salts is difluorine oxalic acid boracic acid lithium and lithium perchlorate；The difluorine oxalic acid boracic acid lithium is in mixing lithium salts
In quality specific gravity be 10~90 ﹪.The organic solvent be propene carbonate PC, ethylene carbonate EC, dimethyl carbonate DMC,
One of glycol dimethyl ether DME ﹑ dioxolanes DOL or a variety of mixtures.The exit of the positive/negative plate is equipped with
Electrode leading-out sheet, the lithium-manganese cell core are connect by electrode leading-out sheet with metal disk.The electrode draws end and cardboard
This is equipped with insulating surfaces pad 7.The lithium-manganese cell core 6 is 2.Positive active material is manganese dioxide, conductive agent acetylene black
With graphite, binder, pure water is added and is stirred until homogeneous, scattered anode active material slurry is coated on plus plate current-collecting body
(316 stainless (steel) wires, 430 stainless (steel) wires, aluminium net, aluminium foil, copper foil are any), is cut into the positive plate of battery after rolling.Anode
After piece passes through drying and completely removes moisture therein, in the environment of being put into relative humidity lower than 1.0%, in cathode (metallic aluminium
Or lithium-aluminium alloy) and the intermediate insertion of positive plate play the role of separating the porous isolating membranes of positive and negative anodes, be wound into columned electricity
Core, the battery core of winding are put into battery case (shell is steel shell, aluminum hull or aluminum plastic film), use difluorine oxalic acid boracic acid lithium
LiDFOB, lithium perchlorate (LiCLO4) make lithium salts, difluorine oxalic acid boracic acid lithium LiDFOB and lithium perchlorate LiCLO4Molar concentration rate
Value is 2:1, is assembled into battery.
Embodiment 2
By 1 the same manner of embodiment, difluorine oxalic acid boracic acid lithium (LiDFOB), lithium perchlorate (LiCLO are used4) make lithium salts,
And difluorine oxalic acid boracic acid lithium LiDFOB and lithium perchlorate LiCLO4Molar concentration ratio be 1:1, be assembled into battery.
Embodiment 3
By 1 the same manner of embodiment, difluorine oxalic acid boracic acid lithium (LiDFOB), lithium perchlorate (LiCLO are used4) make lithium salts,
And difluorine oxalic acid boracic acid lithium LiDFOB and lithium perchlorate LiCLO4Molar concentration ratio be 1:2, be assembled into battery.
Comparative example 4
By 1 the same manner of embodiment, the electrolyte is lithium perchlorate, and molar concentration is that the lithium battery of 1mol/L is non-
Water electrolysis liquid, is assembled into battery.
The thin type lithium-manganese flexible-packed battery test method that above-described embodiment is made is as follows:
Shooting number is tested using Polaroid camera.
External short circuit: in room temperature environment, the resistance of 1 Ω of battery series connection is subjected to external short circuit, sustained short-circuit to battery
Hull-skin temperature is at least further continued for short-circuit 1h after falling after rise to room temperature environment, continues to observe test sample 6h.Battery is in whole process
In should not overheat, do not rupture, do not explode, is missing of ignition.
Heavy impact: battery is placed in a plane, and the steel column of a Φ 15.8mm is placed in battery center, the longitudinal axis of steel column
It is parallel to plane, allows the weight of quality 9.1kg from the steel column that the height of 610mm is freely dropped into above battery center.Battery exists
When receiving impact, the longitudinal axis should be parallel to plane, perpendicular to the longitudinal axis of steel column.Battery should not be overheated, not exploded, is missing of ignition.
Squeeze: disk squeezes battery with the initial velocity of 1.5cm/s, until extruding force reaches 13kN and releases immediately
Pressure observes battery 6h.Battery should not be overheated, not exploded, is missing of ignition.
Forced electric discharge: battery is connected with 12V DC power supply at room temperature, with the electricity of maximum continuous discharge as defined in manufacturer
Stream is used as initial current forced electric discharge.This test is carried out with the battery to discharge completely.After the end of the test, observation is by inspection battery
7d.Battery should not explode, is missing of ignition.
The experimental result of embodiment, as illustrated in chart 1:
It can be seen from chart 1 compared with comparative example 4, lithium salts (difluoro oxalate embodiment 1-3 good using thermal stability
Lithium borate) it is used in mixed way with the higher lithium salts of conductivity, it is flammable by reducing electrolyte on the basis of keeping cell high-capacity
Property, effectively improve the safety of lithium battery.
Above-described embodiment, only presently preferred embodiments of the present invention, the practical range being not intended to limit the invention, thus it is all with
The equivalent change or modification that feature described in the claims in the present invention and principle are done should all be included in the claims in the present invention model
Within enclosing.
Claims (7)
1. a kind of good thin type lithium-manganese flexible-packed battery of safety, including the chamber as made of cardboard (1) and blister cover (2) fastening
Body, the cavity is interior to be equipped with battery pack, it is characterised in that:
Along setting, there are two electrode circular hole (3), the parallel cardboard upper side edges of the line of centres of two electrode circular holes on the cardboard (1)
Edge；It is covered each by two electrode circular holes (3) and is pasted with metal square piece (4)；
The battery pack is connected in series by lithium-manganese cell core (6) by PTC (5)；
The metal square piece with battery pack is connect by electric resistance welding or laser welding or soldering mode；
The lithium-manganese cell core includes positive/negative plate and electrolyte；The electrolyte includes organic solvent and electrolyte, institute
The electrolyte stated is the mixing lithium salts of difluorine oxalic acid boracic acid lithium and lithium perchlorate；The difluorine oxalic acid boracic acid lithium LiDFOB and high chlorine
The molar concentration ratio of sour lithium LiCLO4 is 4:1~1:4.
2. the good thin type lithium-manganese flexible-packed battery of safety according to claim 1, it is characterised in that: the difluoro oxalate
The molar concentration ratio of lithium borate LiDFOB and lithium perchlorate LiCLO4 is 2:1~1:2.
3. the good thin type lithium-manganese flexible-packed battery of safety according to claim 2, it is characterised in that: the difluoro oxalate
Quality specific gravity of the lithium borate in mixing lithium salts is 10~90 ﹪.
4. the good thin type lithium-manganese flexible-packed battery of safety according to claim 3, it is characterised in that: the organic solvent
For one of propene carbonate PC, ethylene carbonate EC, dimethyl carbonate DMC, glycol dimethyl ether DME ﹑ dioxolanes DOL
Or a variety of mixture.
5. thin type lithium-manganese flexible-packed battery according to claim 1, it is characterised in that: the exit of the positive/negative plate
Equipped with electrode leading-out sheet, the lithium-manganese cell core is connect by electrode leading-out sheet with metal square piece.
6. thin type lithium-manganese flexible-packed battery according to claim 5, it is characterised in that: the electrode draw end and cardboard this
Between be equipped with insulating surfaces pad (7).
7. thin type lithium-manganese flexible-packed battery according to claim 6, it is characterised in that: the lithium-manganese cell core is at least
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528885.7A CN109671896A (en) | 2018-12-14 | 2018-12-14 | A kind of thin type lithium-manganese flexible-packed battery that safety is good |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528885.7A CN109671896A (en) | 2018-12-14 | 2018-12-14 | A kind of thin type lithium-manganese flexible-packed battery that safety is good |
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| CN109671896A true CN109671896A (en) | 2019-04-23 |
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| CN209843824U (en) * | 2018-12-14 | 2019-12-24 | 惠州市惠德瑞锂电科技股份有限公司 | Thin lithium-manganese soft-package battery with good safety |
-
2018
- 2018-12-14 CN CN201811528885.7A patent/CN109671896A/en active Pending
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| CN102263291A (en) * | 2011-07-12 | 2011-11-30 | 诺莱特科技(苏州)有限公司 | Electrolyte solution capable of improving safety of lithium manganese battery |
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| CN103378360A (en) * | 2012-04-24 | 2013-10-30 | 张家港市国泰华荣化工新材料有限公司 | Organic electrolyte capable of improving low-temperature performance of lithium manganese battery |
| CN106099131A (en) * | 2016-06-17 | 2016-11-09 | 惠州市惠德瑞锂电科技股份有限公司 | A kind of lithium battery electrolytes and the lithium primary battery of gained |
| CN209843824U (en) * | 2018-12-14 | 2019-12-24 | 惠州市惠德瑞锂电科技股份有限公司 | Thin lithium-manganese soft-package battery with good safety |
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