CN106099133A - A kind of lithium battery core body, preparation method and the lithium primary battery of gained - Google Patents
A kind of lithium battery core body, preparation method and the lithium primary battery of gained Download PDFInfo
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- CN106099133A CN106099133A CN201610758542.4A CN201610758542A CN106099133A CN 106099133 A CN106099133 A CN 106099133A CN 201610758542 A CN201610758542 A CN 201610758542A CN 106099133 A CN106099133 A CN 106099133A
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- lithium
- battery core
- unit
- negative plate
- core body
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/14—Cells with non-aqueous electrolyte
- H01M6/16—Cells with non-aqueous electrolyte with organic electrolyte
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Primary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention belongs to field of batteries, particularly relate to a kind of lithium battery core body, preparation method and the lithium primary battery of gained.Battery core body includes being formed with N+1 unit negative plate winding by N number of diaphragm bag containing unit positive plate, N is greater than the positive integer equal to 1, and in the present invention, the meaning of N is the most identical, the shape of described unit positive plate is identical with the shape of unit negative plate and limit number with limit number, and limit number is at least 4 limits.The electric current distribution of this battery core is uniform, security performance is excellent and pole piece isolation is good, the lithium primary battery of this battery core gained have discharge performance excellent, the advantages such as battery safety is good.The one-shot battery utilizing the technology of the present invention gained can make full use of the inner space of electrical appliance, adapts to minimizing of electrical equipment volume as far as possible.The present invention can manufacture battery core body and the lithium primary battery of gained thereof having particular/special requirement to shape.
Description
Technical field
The present invention relates to field of batteries, the lithium particularly relating to a kind of lithium battery core body, preparation method and gained is the most electric
Pond.
Background technology
Lithium primary battery is because its specific energy is high, energy density is big, open/put road voltage height, discharging voltage balance, operating temperature
The advantages such as scope is wide, cryogenic property is good, length storage life, along with the high speed development of electronics industry, electronic device slowly tends to
Multifunction, becomes more meticulous, profile variation.And the portative electronic device of small size is increasingly closed in the development of society
Note, more and more popular with consumers.Due to minimizing of volume, surplus after assembling electronic component in the most how making full use of device
Complementary space is the key that electronic device can minimize.For the electrical appliance of a square body or cylindrical body, install on circuit boards
After electronic component, not of uniform size due to electronic component, thus be to have remaining space inside it.Common electronic device due to
The reason that battery takes up space, it is impossible to by the volume minimization of electrical appliance.
Summary of the invention
For above-mentioned technical problem, the technical issues that need to address of the present invention are to solve battery to take common electric space big
Problem, according to the size in the space laying battery, the present invention provide one can custom-made by size, electric current distribution uniformly, peace
Full excellent performance, pole piece isolate the lithium of good and that be suitable for different electrical equipment battery space battery core body, preparation method and gained once
Battery.
The invention solves the problems that above-mentioned technical problem is achieved through the following technical solutions: a kind of lithium battery core body, bag
Including and formed with N+1 unit negative plate winding by N number of diaphragm bag containing unit positive plate, N is greater than the positive integer equal to 1, this
In invention, the meaning of N is the most identical, the shape of the shape of described unit positive plate and limit number and unit negative plate and limit number phase
With, limit number is at least 4 limits.
Further: above-mentioned lithium battery core body battery core body, described positive plate thickness is 0.15 mm ~ 0.6 mm；Described negative pole
Sheet thickness is 0.1 mm ~ 0.3 mm.It should be noted that negative pole is metal lithium bands or lithium-aluminium alloy, positive electrode is predominantly
Manganese dioxide, ferrous disulfide, copper oxide or carbon monofluoride.For disposable lithium-battery, the unit of gram capacity of negative pole is much larger than just
The unit of gram capacity of pole, this is the maximum feature of the design being different from pole piece thereof.So, in the design of pole piece thickness
On, in order to reduce the gram volume gap between positive/negative plate, often require that the thickness of positive plate is greater than the thickness of negative plate.And
The thickness of positive/negative plate is depending on the design capacity of battery.
Described unit positive plate is all identical regular polygon or irregular polygon with the shape of unit negative plate；Again
Or: described unit positive plate diaphragm bag and the corresponding sides of unit negative plate are proportional similar regular polygons or do not advise
Then polygon.No matter positive/negative plate is that shape, is all for concrete electrical appliance custom-made by size battery, makes full use of residue sky
Between then can accomplish to compress to greatest extent the volume of electrical appliance so that the minimizing of volume of electrical appliance.
Present invention also offers the preparation method of above-mentioned lithium battery core body, step is:
Step one: be laid in by mode separation strapping on the mould with adsorption function, utilizes adsorption to be fixed by mode separation strapping；
Step 2: by the most cut good and conspire to create the positive plate of string and be placed on above fixing mode separation strapping；
Step 3: positive plate is wrapped up by wide doubling mode separation strapping, utilizes mould to be shaped and cuts, finally encapsulating, after encapsulation
Form string N number of unit diaphragm bag together；
Step 4: the negative plate folded roll of string will be conspired to create around the N number of unit diaphragm bag of parcel, the formation exposed battery core of negative plate
Body；The described negative plate conspiring to create string is to be conspired to create by N+1 unit negative plate；
Described banding positive/negative plate all band lugs.
Further: in above-mentioned preparation method, unit positive plate face width a length of L mm, conspire to create the length of the positive plate of string
For (NL+X1) mm, X1For folded roll around the total length of required reserved positive plate.
A length of [(N+1) L+X of the described negative plate conspiring to create string0] mm, X0For total around required reserved negative plate of folded roll
Length.
Present invention also offers by the lithium primary battery of above-mentioned lithium battery core body gained, it also comprises electrolyte, lithium salts
And shell；Described electrolyte includes carbonates electrolyte, sulfurous esters electrolyte, in carboxylic acid esters electrolyte at least one
Kind；Lithium salts includes that double fluorine sulfimide lithium, lithium perchlorate, lithium iodide, per-fluoroalkyl sulfonyl imine lithium, fluorine butyl sulfonic acid of enjoying a double blessing are sub-
Amide lithium, lithium fluoride, trifluoromethyl sulfonic acid lithium, bis-trifluoromethylsulfoandimide lithium, di-oxalate lithium borate, lithium hexafluoro phosphate, tetrafluoro
In Lithium biborate at least one；Shell is any one in box hat, aluminum plastic film or aluminum hull.
Compared with prior art, the lithium battery core body of the present invention, including by N number of diaphragm bag containing unit positive plate and N+
1 unit negative plate winding forms, and N is greater than the positive integer equal to 1, and in the present invention, the meaning of N is the most identical, described unit
The shape of positive plate is identical with the shape of unit negative plate and limit number with limit number, and limit number is at least 4 limits.Positive pole is wrapped up by diaphragm bag
Sheet, is finally contained the diaphragm bag of positive plate, obtains the exposed battery core of negative plate by negative plate folded roll around parcel.This battery core
Electric current distribution is uniform, security performance is excellent and pole piece isolation is good, the lithium primary battery of this battery core gained have and put
Excellent electrical property, the advantages such as battery safety is good.The one-shot battery utilizing the technology of the present invention gained can make full use of electricity consumption
The inner space of device, adapts to minimizing of electrical equipment volume as far as possible.The present invention can manufacture the battery core body having particular/special requirement to shape
And the lithium primary battery of gained.
Accompanying drawing explanation
Fig. 1 is that the present invention conspires to create the positive plate of string and the tile arrangement schematic diagram of mode separation strapping；
Fig. 2 is the structural representation after the present invention conspires to create the positive plate diaphragm bag encapsulation of string；
Fig. 3 is the negative plate tile arrangement schematic diagram that the present invention conspires to create string；
Fig. 4 present invention conspires to create positive plate bag and conspires to create the folded roll of negative plate around assembling assumption diagram；
Fig. 5 is the sectional view of battery core body of the present invention；
Fig. 6 is the tile arrangement schematic diagram of special polygon positive plate of the present invention and mode separation strapping；
Wherein: 1 unit positive plate (a length of L)；2 mode separation strappings；3 folded roll are around required reserved positive plate, and its a length of An(n is
Positive integer more than 1, i.e. An are A respectively1、A2、A3... ..., its An sum is X1)；4 lugs；5 unit diaphragm bags；6 units are born
Pole piece；7 folded roll are greater than the positive integer of 1 around required reserved negative plate, its a length of Bn(n, i.e. Bn is B respectively1、B2、
B3... ..., its Bn sum is X0).
Detailed description of the invention
Below in conjunction with the accompanying drawings, by embodiment, the present invention is further described.
Embodiment 1
Diaphragm bag with polygon positive pole assembles: as it is shown in figure 1, first mode separation strapping is laid in the mould with adsorption function
On, utilize adsorption to be fixed by mode separation strapping；The most cut positive plate that conspires to create well is placed on fixing by second step
Above mode separation strapping；The positive plate conspiring to create string is wrapped up by last wide doubling mode separation strapping, utilizes mould to be shaped, cuts and seal
Dress, after encapsulation, the diaphragm bag of gained is the diaphragm bag conspiring to create string.Unit positive plate face width a length of L mm.
Obtain conspiring to create string positive plate diaphragm bag, as in figure 2 it is shown, set according to battery core after wide doubling, cross cutting, encapsulation
Meter, much more a piece of the negative plate of battery core is than positive plate, and the negative plate conspiring to create string of gained is as shown in Figure 3.
Fig. 4 show the assembling mode of the negative plate conspiring to create string and the diaphragm bag conspiring to create string, conspires to create negative plate and the string of string
The diaphragm bag of bunchiness assembles to fold winding method, a and b is to conspire to create the diaphragm bag of string and conspire to create the negative plate of string respectively
Fold coiling direction.Diaphragm bag and the assembling mode of negative plate, the here replacement of selection quadrangular plan for convenience of explanation in figure
Polyhedron laid out flat folded roll does not affect the technology application of the present invention around assembling mode, the explanation that replaces of plane.Through Fig. 4's
Assemble, the assembling of battery core can be completed, complete the sectional view of the battery core after assembling as shown in Figure 5, it is seen that, the battery core of last gained
For negative plate exposed battery core body.
Embodiment 2
In order to further illustrate the versatility of the technology of the present invention, one following shown is neither axial symmetry is not centrosymmetric
Conspiring to create the tile arrangement schematic diagram of the irregular polygon positive plate of string, as shown in Figure 6, the unit positive plate 1 represented is not for
The polygon of rule, the length folded as required determines the face width length L mm of pole piece, and the shape root of unit positive plate 1
According to required folded roll around quantity, single pole piece is designed as symmetrical two-by-two, and the whole positive plate conspiring to create string is non-to shape.Folded roll
Total length around required reserved pole piece 3 is An.Gained conspires to create the positive plate diaphragm bag of string and is assembled into the negative plate conspiring to create string
The mode of operation of battery core is same as in Example 1, and finally can obtain required two sides is polyhedron battery core.
Finally, anode pole piece prepared by the active positive electrode material needed for manufacturing battery, required electrolyte, lithium salts, electricity are utilized
The method that pond shell is commonly used according to those skilled in the art, as described in summary of the invention, utilizes the battery core prepared by the technology of the present invention
Body manufactures lithium primary battery, owing to positive electrode is any one in ferrous disulfide, manganese dioxide, copper oxide and carbon monofluoride, because of
This, the present invention is applicable to lithium/manganese dioxide (Li/MnO2), lithium/iron disulfide (Li/FeS2), lithium/copper oxide (Li/CuO), lithium/
Carbon monofluoride [Li/ (CF)x] etc. battery core used by lithium primary battery system.
Last institute is it should be noted that, the present invention is only protected by above example in order to technical scheme to be described
Protecting the restriction of scope, although being explained in detail the present invention with reference to preferred embodiment, those of ordinary skill in the art should
Understand, technical scheme can be modified or equivalent, without deviating from the essence of technical solution of the present invention
And scope.
Claims (8)
1. a lithium battery core body, including by N number of diaphragm bag containing unit positive plate and N+1 unit negative plate winding
Becoming, N is greater than the positive integer equal to 1, it is characterised in that: the shape of described unit positive plate and limit number and unit negative plate
Shape is identical with limit number, and limit number is at least 4 limits.
Lithium battery core body the most according to claim 1, it is characterised in that: described positive plate thickness is 0.15 mm ~ 0.6
mm；Described negative plate thickness is 0.1 mm ~ 0.3 mm.
Lithium battery core body the most according to claim 2, it is characterised in that: described unit positive plate and unit negative plate
Shape is all identical regular polygon or irregular polygon.
Lithium battery core body the most according to claim 1, it is characterised in that: described unit positive plate diaphragm bag is born with unit
The corresponding sides of pole piece are proportional similar regular polygon or irregular polygon.
5. the preparation method of lithium battery core body described in any one in claim 1-4, it is characterised in that:
Step one: be laid in by mode separation strapping on the mould with adsorption function, utilizes adsorption to be fixed by mode separation strapping；
Step 2: by the most cut good and conspire to create the positive plate of string and be placed on above fixing mode separation strapping；
Step 3: positive plate is wrapped up by wide doubling mode separation strapping, utilizes mould to be shaped and cuts, finally encapsulating, after encapsulation
Form string N number of unit diaphragm bag together；
Step 4: the negative plate folded roll of string will be conspired to create around the N number of unit diaphragm bag of parcel, the formation exposed battery core of negative plate
Body；The described negative plate conspiring to create string is to be conspired to create by N+1 unit negative plate；
Described banding positive/negative plate all band lugs.
Preparation method the most according to claim 5, it is characterised in that: unit positive plate face width a length of L mm, conspire to create string
A length of (the NL+X of positive plate1) mm, X1For folded roll around the total length of required reserved positive plate.
Preparation method the most according to claim 6, it is characterised in that conspire to create a length of [(N+1) of the negative plate of string described in:
L+X0] mm, X0For folded roll around the total length of required reserved negative plate.
8. by the lithium primary battery of any one lithium battery core body gained in claim 1-4, it is characterised in that: it also comprises
Electrolyte, lithium salts and shell；Described electrolyte includes carbonates electrolyte, sulfurous esters electrolyte, and carboxylic acid esters is electrolysed
In liquid at least one；Lithium salts includes double fluorine sulfimide lithium, lithium perchlorate, lithium iodide, per-fluoroalkyl sulfonyl imine lithium, fluorine of enjoying a double blessing
Butyl sulfonic acid Asia amide lithium, lithium fluoride, trifluoromethyl sulfonic acid lithium, bis-trifluoromethylsulfoandimide lithium, di-oxalate lithium borate, hexafluoro phosphorus
Acid lithium, in LiBF4 at least one；Shell is any one in box hat, aluminum plastic film or aluminum hull.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610758542.4A CN106099133A (en) | 2016-08-30 | 2016-08-30 | A kind of lithium battery core body, preparation method and the lithium primary battery of gained |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610758542.4A CN106099133A (en) | 2016-08-30 | 2016-08-30 | A kind of lithium battery core body, preparation method and the lithium primary battery of gained |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106099133A true CN106099133A (en) | 2016-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610758542.4A Pending CN106099133A (en) | 2016-08-30 | 2016-08-30 | A kind of lithium battery core body, preparation method and the lithium primary battery of gained |
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| CN (1) | CN106099133A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436160A (en) * | 2020-12-05 | 2021-03-02 | 隆能科技(南通)有限公司 | Ultralow-temperature high-capacity primary lithium battery and preparation method thereof |
| CN115528211A (en) * | 2022-10-19 | 2022-12-27 | 源拓微电科技(宁波)有限公司 | Pole piece for lithium ion battery and lithium ion battery |
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| CN104979584A (en) * | 2015-06-15 | 2015-10-14 | 钟其勇 | Polymer lithium-ion battery and processing process thereof |
| CN105226300A (en) * | 2015-08-24 | 2016-01-06 | 武汉孚安特科技有限公司 | A kind of special-shaped lithium manganese flexible-packed battery and manufacture method thereof |
| CN105390751A (en) * | 2015-12-17 | 2016-03-09 | 佛山市南海区欣源电子有限公司 | High security soft package lithium ion battery core and manufacture method thereof |
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Patent Citations (5)
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| CN101295803A (en) * | 2008-04-29 | 2008-10-29 | 杨明 | Battery film combination and lithium ion battery and its production method |
| CN101707255A (en) * | 2009-11-11 | 2010-05-12 | 惠州市德赛锂电科技有限公司 | Novel flexible packing lithium battery |
| CN104979584A (en) * | 2015-06-15 | 2015-10-14 | 钟其勇 | Polymer lithium-ion battery and processing process thereof |
| CN105226300A (en) * | 2015-08-24 | 2016-01-06 | 武汉孚安特科技有限公司 | A kind of special-shaped lithium manganese flexible-packed battery and manufacture method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436160A (en) * | 2020-12-05 | 2021-03-02 | 隆能科技(南通)有限公司 | Ultralow-temperature high-capacity primary lithium battery and preparation method thereof |
| CN115528211A (en) * | 2022-10-19 | 2022-12-27 | 源拓微电科技(宁波)有限公司 | Pole piece for lithium ion battery and lithium ion battery |
| CN115528211B (en) * | 2022-10-19 | 2024-03-29 | 源拓微电科技(宁波)有限公司 | Pole piece for lithium ion battery and lithium ion battery |
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Application publication date: 20161109 |
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