CN207338543U - A kind of battery core of polymer battery, polymer battery and electronic equipment - Google Patents
A kind of battery core of polymer battery, polymer battery and electronic equipment Download PDFInfo
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- CN207338543U CN207338543U CN201721364608.8U CN201721364608U CN207338543U CN 207338543 U CN207338543 U CN 207338543U CN 201721364608 U CN201721364608 U CN 201721364608U CN 207338543 U CN207338543 U CN 207338543U
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- battery
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- polymer battery
- electrode assemblie
- packaging film
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- 229920000642 polymer Polymers 0.000 title claims abstract description 59
- 238000001179 sorption measurement Methods 0.000 claims abstract description 46
- 239000012785 packaging film Substances 0.000 claims abstract description 35
- 229920006280 packaging film Polymers 0.000 claims abstract description 35
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 4
- 238000010521 absorption reaction Methods 0.000 claims description 45
- 239000000463 material Substances 0.000 claims description 38
- 239000007784 solid electrolyte Substances 0.000 claims description 8
- 229910052723 transition metal Inorganic materials 0.000 claims description 8
- 150000003624 transition metals Chemical class 0.000 claims description 8
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- 239000003463 adsorbent Substances 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 239000003792 electrolyte Substances 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 239000002360 explosive Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011464 hollow brick Substances 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- FSSPGSAQUIYDCN-UHFFFAOYSA-N 1,3-Propane sultone Chemical compound O=S1(=O)CCCO1 FSSPGSAQUIYDCN-UHFFFAOYSA-N 0.000 description 1
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 1
- SXSVTGQIXJXKJR-UHFFFAOYSA-N [Mg].[Ti] Chemical compound [Mg].[Ti] SXSVTGQIXJXKJR-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- -1 optionally Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The embodiment of the present application discloses a kind of battery core of polymer battery, polymer battery and electronic equipment.The battery core of the polymer battery includes：Packaging film, electrode assemblie and gas adsorption unit；The electrode assemblie is provided with the packaging film, and the volume of the bagging area of packaging film formation is more than the volume of the electrode assemblie；The gas adsorption unit, is arranged at the gap of the electrode assemblie and the packaging film, for the gas produced in adsorpting polymerization thing battery.Using above-mentioned technical proposal, can be when battery produces gas, by gas adsorption unit adsorbed gas, it can be effectively prevented from high temperature or overcharge, cross in the case of putting the gas that generates and make polymer battery that bulging deformation generation occur, improve the security of polymer battery.
Description
Technical field
The invention relates to battery correlation technique, more particularly to a kind of battery core of polymer battery, polymer battery
And electronic equipment.
Background technology
At present, polymer battery, especially poly-lithium battery are because its energy density is high, no liquid leakage, cell thickness
Can very thin (be less than 1 millimeter), the characteristics of shape plasticity strong (can be made into variously-shaped), not only on a portable electronic device
As mobile terminal, DV and laptop computer are used widely, and it can also be applied to electric automobile, electric bicycle
And in terms of the large and medium-sized electrical equipment such as electric tool.
However, in above application, electronic equipment is equal during operational process and poly-lithium battery cycle charge-discharge
Heat can be distributed, hot environment be easy to cause battery cathode surface solid electrolyte interface film (solid electrolyte
Interface, abbreviation SEI film) decompose and electrolyte positive and negative anodes surface occur redox decomposition reaction, produce gas, make
Obtain poly-lithium battery and bulging deformation occurs, battery explosion danger may occur when serious, and then, electronic equipment is caused necessarily
The damage of degree, reduces the service life of electronic equipment.
Utility model content
The embodiment of the present application provides a kind of battery core of polymer battery, polymer battery and electronic equipment, can be effective
Improve the security of polymer battery.
In a first aspect, the embodiment of the present application provides a kind of battery core of polymer battery, including：Packaging film, electrode assemblie
And gas adsorption unit；The electrode assemblie, and the volume of the bagging area of packaging film formation are provided with the packaging film
More than the volume of the electrode assemblie；The gas adsorption unit, is arranged at the gap of the electrode assemblie and the packaging film,
For the gas produced in adsorpting polymerization thing battery.
Second aspect, the embodiment of the present application additionally provide a kind of polymer battery, which includes battery protection
Plate and the battery core as described in above-mentioned first aspect；The electrode assemblie of the battery core extends packaging film and battery protecting plate electricity
Connection.
The third aspect, the embodiment of the present application additionally provide a kind of electronic equipment, which includes such as above-mentioned second party
Polymer battery described in face.
The embodiment of the present application in battery core by adding gas adsorption unit, in the gas adsorption unit and polymer battery
Chemisorption occurs for the gas of generation, so that, in time by gas absorption to gas adsorption unit, can effectively eliminate
The bulging deformation of polymer battery.Using above-mentioned technical proposal, can be inhaled when battery produces gas by gas adsorption unit
Attached gas, can be effectively prevented from high temperature or overcharge, cross put in the case of the gas that generates, make polymer battery that bulging shape occur
The situation of change occurs, and improves the security of polymer battery.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the battery core of polymer battery provided by the embodiments of the present application；
Fig. 2 is a kind of explosive view of the battery core of polymer battery provided by the embodiments of the present application；
Fig. 3 is a kind of structure diagram of gas adsorption unit provided by the embodiments of the present application；
Fig. 4 is the structure diagram of another gas adsorption unit provided by the embodiments of the present application；
Fig. 5 is the structure diagram of another gas adsorption unit provided by the embodiments of the present application；
Fig. 6 is the structure diagram of another gas adsorption unit provided by the embodiments of the present application；
Fig. 7 is the structure diagram of another gas adsorption unit provided by the embodiments of the present application；
Fig. 8 is the structure diagram of another gas adsorption unit provided by the embodiments of the present application；
Fig. 9 is the sectional view of another gas adsorption unit provided by the embodiments of the present application；
Figure 10 is the explosive view of polymer battery provided by the embodiments of the present application.
Embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the application, rather than the restriction to the application.It also should be noted that in order to just
It illustrate only part relevant with the application rather than entire infrastructure in description, attached drawing.
With the development of science and technology, the polymer battery with rechargeable characteristic is increasingly used in electricity
In sub- equipment.Wherein, poly-lithium battery is widely used on portable electric appts such as mobile phone, DV
With laptop computer etc..
However, in above application, electronic equipment be easy to cause battery and bears in hot environment or overcharge, overdischarge
Pole surface SEI films decompose and on positive and negative anodes surface redox decomposition reaction occurs for electrolyte, produce CO, CO2、CH4、C2H6Deng
Gas so that bulging deformation occurs for poly-lithium battery, and battery capacity and cycle performance decline rapidly, or even make electronic equipment by
Also can be by a degree of destruction in the deformation of battery.For example, battery deformation jacks up electronic equipment screen, appearance is influenced,
Electronic equipment screen or electronic equipment may be damaged when serious.
Poly-lithium battery bulging deformation problems are directed in correlation technique, a kind of settling mode includes：Increase relief valve, it is excellent
Polarizing electrode size, so as to reduce battery bulging deformation.
Another way includes access function additive in the electrolytic solution.For example, propane sultone is added in the electrolytic solution
Or calcium salt etc..The method of foregoing description is formed blunt by adding organic or inorganic additive in the electrolytic solution in charcoal negative terminal surface
Change film, prevent anode from being reacted with electrolyte solvent, reduce gas production, reduce battery bulging degree.
However, the above method there are it is certain the problem of, such as anti-bulging effect unobvious, it is impossible to effective to suppress battery drum
Bulging becomes；Or additive will decompose at high temperature in itself, or unstable point of the passivating film formed in negative terminal surface
Solution, or the addition of additive reduce electrode active material content, cause the property such as the reduction of charge and discharge efficiency, battery capacity, circulation
It can decline.The improvement project of battery core provided by the embodiments of the present application on polymer battery can be very good to solve above-mentioned battery
Bulging occurs because of aerogenesis, there are the problem of security risk.
Fig. 1 is a kind of structure diagram of the battery core of polymer battery provided by the embodiments of the present application, and the present embodiment can fit
For eliminating gas in time after polymer battery produces gas, avoiding battery, there is a situation where bulging deformation.As shown in Figure 1,
The battery core 100 of the polymer battery includes：Packaging film 130, electrode assemblie 140 and gas adsorption unit 120；The packaging film 130
Electrode assemblie 140 is inside provided with, and the volume of the bagging area formed by packaging film 130 is more than the volume of the electrode assemblie 140；
The gas adsorption unit 120, is arranged at the gap of electrode assemblie 140 and packaging film 130, for being produced in adsorpting polymerization thing battery
Gas.Wherein, just (negative) electrode 110 of electrode assemblie 140 is by 130 internal stretch of packaging film to the outside of the packaging film 130.
It should be noted that polymer battery produces gas under abnormal operation, which can be with gas absorption list
Chemisorption occurs for member, so as to eliminate the gas produced in battery in time, avoids polymer battery that bulging deformation occurs.Its
In, abnormal operation include working status of the working status, battery of battery in high temperature environments in the case of overcharge or
The working status of battery under over-discharge situation etc..
Wherein, packaging film can be aluminum plastic film, and including at least three layers, intermediate layer is aluminium lamination, plays isolation water function, outside
Layer is the first glue-line, plays the not oxidized effect of protection aluminium lamination, internal layer is the second glue-line, plays the role of sealing.
Technical solution provided by the embodiments of the present application, by being provided with gas absorption in the gap of electrode assemblie and packaging film
With the gas produced in polymer battery Chemisorption can occur for unit, the gas adsorption unit, so that, in time by gas
Body is adsorbed onto in gas adsorption unit, can effectively eliminate the bulging deformation of polymer battery., can using above-mentioned technical proposal
When battery produces gas, by gas adsorption unit adsorbed gas, can be effectively prevented from high temperature or overcharge, after to one's heart's content
The gas generated under condition makes polymer battery there is a situation where bulging deformation, improves the security of polymer battery.
Optionally, which includes at least one container formed by battery diaphragm, for accommodating graininess
Gas absorption material, and the gas absorption material is isolated with the pole piece of the electrode assemblie.The gas absorption material, is used
In the gas produced in the absorption polymer battery.Fig. 2 is a kind of battery core of polymer battery provided by the embodiments of the present application
Explosive view.Inhaled as shown in Fig. 2, forming gas by the container 121 that granular gas absorption material 122 and battery diaphragm are formed
Coupon member., will in order to avoid it diffuses to electrode assemblie 140 in use since gas absorption material 122 is graininess
It is encapsulated in the container 121 of battery diaphragm formation.The container 121 can be circular or ellipse, or other shapes of collecting
Bag.Since battery diaphragm can separate cathode in electrode assemblie and anode, the two poles of the earth direct short-circuit is prevented.Membrane is not led in itself
Electricity, but electrolyte ion can pass through., can be with by container made of battery diaphragm it is understood that be based on above-mentioned characteristic
Prevent gas absorption material from diffusing to electrode assemblie, while the container will not cause positive and negative electrode short-circuit, and for the shape of container
Shape is not especially limited.For example, set in the one end opposite with the electrode of electrode assemblie 140 of packaging film 130 at least one by electricity
The container 121 that pond membrane is formed, is packaged with gas absorption material 122 in the container 121.And for example, it is remote in the side of packaging film 130
Region from the electrode of electrode assemblie 140 sets at least one container 121 formed by battery diaphragm, is encapsulated in the container 121
There is gas absorption material 122.It is understood that the setting position of the above-mentioned container with gas absorption material enumerated only is
Example, and it is non-limiting.
Optionally, which can include gas absorption material, the appearance of gas absorption material present sheet,
One or more combinations in chain, bulk, latticed, hollow bricked, heat dissipation sheet.Optionally, the gas absorption thing
The apex angle of matter is fillet, avoids sharp apex angle from puncturing packaging film.
It is understood that the shape of gas absorption material can have polytype, the embodiment of the present application is not made specifically
Limit.For example, Fig. 3 is a kind of structure diagram of gas adsorption unit provided by the embodiments of the present application, as shown in figure 3, gas
The appearance rectangular-blocklike of adsorbent, and four apex angles are fillet.It is understood that the gas by cutting rectangular block shape
Body adsorbent, obtains the gas absorption material of multiple rectangular patch.It is understood that gas absorption material can also be added
Work is into shapes such as cylindric or disc-shapeds.Fig. 4 is the structural representation of another gas adsorption unit provided by the embodiments of the present application
Figure, as shown in figure 4, the appearance of gas absorption material is in latticed.At least one latticed gas absorption material is set
In the gap of packaging film and electrode assemblie.Fig. 5 is the structural representation of another gas adsorption unit provided by the embodiments of the present application
Gas absorption material, as shown in figure 5, the appearance of gas absorption material is in chain, can be processed into annulus nested two-by-two by figure,
Gas adsorption unit is formed, is arranged at the gap of packaging film and electrode assemblie.Fig. 6 is another gas provided by the embodiments of the present application
The structure diagram of body absorbing unit, as shown in fig. 6, the appearance of gas absorption material is in hollow bricked.At least one hollow brick
The gas absorption material of shape is arranged at the gap of packaging film and electrode assemblie.Fig. 7 is provided by the embodiments of the present application another
The structure diagram of kind gas adsorption unit, as shown in fig. 7, the appearance of gas absorption material is in heat dissipation sheet.It is at least one to dissipate
The gas absorption material of backing shape is arranged at the gap of packaging film and electrode assemblie.
It is understood that the shape of gas absorption material is not limited to single shape, can also be by two kinds or two kinds
Shape above is combined.For example, Fig. 8 is the structural representation of another gas adsorption unit provided by the embodiments of the present application
Figure, as shown in figure 8, gas adsorbent substance includes hollow brick and the two kinds of structure of heat sink.Fig. 8 is only hollow brick and heat dissipation
A kind of composite construction of piece, can also be the gas absorbent that heat radiating fin structure is set in the recessed position of hollow block construction
Matter, and it is no more than the concave depth in the fin height of the gas adsorbent substance of heat radiating fin structure.This design can be not
While increasing volume of the gas absorbing unit in packaging film, increase gas absorption area, so that, improve gas adsorption unit
Gas sorption ability.
Optionally, which includes transition metal and the alloy formed by transition metal.Optionally, should
Gas absorption material includes one or more combinations in platinum, palladium, titanium, zirconium, vanadium and tungsten.For example, ferro-titanium or titanium magnesium close
Gold etc..The metal such as transition metal, especially platinum, palladium, titanium, in CO, H2、CH4、C2H6Deng in atmosphere, chemical suction can occur
The atom filling transition metal d tracks that reaction enclosure, i.e. gas molecule include, so as to eliminate the gas of battery generation.
It is understood that gas absorption material can be not only single transition metal, can also be by transition metal
The alloy of formation, or other chemical property stablize, not be electrolysed qualitative response material.
Above-mentioned example is that gas adsorption unit is set outside electrode assemblie (i.e. naked battery core).Optionally, can also be
Gas adsorption unit is set inside electrode assemblie.Exemplary, the battery core includes solid electrolyte, optionally, solid state electrolysis
Matter is arranged in electrode assemblie.The region of the pole piece away from the electrode assemblie is provided with the gas in the solid electrolyte
Absorbing unit.For example, the position away from just (negative) pole piece in gelatinous solid electrolyte sets gas absorption material.In order to keep away
Exempt from gas absorption material contact positive plate and trigger short circuit with negative plate, container as shown in Figure 2 can be used, there will be gas to inhale
The container of addendum matter is embedded in solid electrolyte, and container set be located away from just (negative) pole piece.
Optionally, battery core further includes battery diaphragm, has between adjacent two layers battery diaphragm by gas absorption thing
Texture into adsorption layer.Fig. 9 is the sectional view of another gas adsorption unit provided by the embodiments of the present application, as shown in figure 9,
There is the adsorption layer 122 that gas absorption material is formed between two layers of battery diaphragm 160.With the polymer prepared using lamination process
Exemplified by lithium battery, first, cathode, anode are cut into pieces, positive plate, negative plate and battery diaphragm are overlapped into small battery core list
Body, then, multiple small battery core monomers is stacked and compose in parallel a naked battery core, that is, obtain electrode assemblie.Using such as Fig. 9 institutes
During the structure shown, the battery diaphragm being superimposed between positive electrode and negative electrode is at least two layers, and one is coated between two layers of battery diaphragm
The adsorption layer that layer adsorbent is formed, the gas produced with absorbing polymeric battery.
It is understood that gas adsorption unit can be set in battery core outside electrode assemblie, and in electrode assemblie
Internal (such as in solid electrolyte or between two layers of battery diaphragm) sets gas absorption material.A setting can also be selected.
Figure 10 is the explosive view of polymer battery provided by the embodiments of the present application, as shown in Figure 10, the polymer battery bag
Include battery protecting plate 150 and battery core；Wherein, the structure of the battery core can as described in above-mentioned example, including packaging film 130, electricity
Pole component 140 and gas adsorption unit 120.The electrode assemblie of the battery core extends packaging film and is electrically connected with the battery protecting plate
Connect.It is to be understood that just (negative) electrode 110 of electrode assemblie 140 extends packaging film and is electrically connected with the battery protecting plate.Example
Such as, this just (negative) electrode 110 can be lug, it is the metallic conductor by cathode and anode to be drawn to packaging film in battery core.
The polymer battery of the offer of the embodiment of the present application, by being provided with gas in the gap of electrode assemblie and packaging film
With the gas produced in polymer battery Chemisorption can occur for absorbing unit, the gas adsorption unit, so that, in time
In gas absorption to gas adsorption unit, the bulging deformation of polymer battery will can be effectively eliminated.Using above-mentioned technical side
Case, can be effectively prevented from high temperature or overcharge, cross put in the case of polymer battery there is a situation where bulging deformation, improve poly-
The security performance of compound battery.
The a kind of electronic equipment that the embodiment of the present application also provides, the electronic equipment have the polymer as described in above-mentioned example
Battery.
The electronic equipment of the offer of the embodiment of the present application, due to the gas adsorption unit in polymer battery can eliminate it is poly-
Compound battery produce gas, can effectively avoid high temperature or overcharge, cross put in the case of polymer battery occur bulging shape
The situation of change, so as to avoid, there is a situation where battery bulging deformation damage electronic equipment, improving the security of electronic equipment.
Note that it above are only preferred embodiment and the institute's application technology principle of the application.It will be appreciated by those skilled in the art that
The application is not limited to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
The protection domain readjusted and substituted without departing from the application.Therefore, although being carried out by above example to the application
It is described in further detail, but the application is not limited only to above example, in the case where not departing from the application design, also
It can include other more equivalent embodiments, and scope of the present application is determined by scope of the appended claims.
Claims (10)
- A kind of 1. battery core of polymer battery, it is characterised in that including：Packaging film, electrode assemblie and gas adsorption unit；It is described The electrode assemblie is provided with packaging film, and the volume of the bagging area of packaging film formation is more than the body of the electrode assemblie Product；The gas adsorption unit, is arranged at the gap of the electrode assemblie and the packaging film, in adsorpting polymerization thing battery The gas of generation.
- 2. the battery core of polymer battery according to claim 1, it is characterised in that the gas adsorption unit is included at least One container formed by battery diaphragm, for accommodating granular gas absorption material, and by the gas absorption material with The pole piece of the electrode assemblie is isolated；The gas absorption material, for adsorbing the gas produced in the polymer battery.
- 3. the battery core of polymer battery according to claim 1, it is characterised in that the gas adsorption unit includes gas Adsorbent, the appearance of the gas absorption material are presented in sheet, chain, bulk, latticed, hollow bricked, heat dissipation sheet One or more combinations.
- 4. the battery core of polymer battery according to claim 3, it is characterised in that the apex angle of the gas absorption material is Fillet.
- 5. the battery core of polymer battery according to any one of claim 2 to 4, it is characterised in that the gas absorption Material includes transition metal and the alloy formed by transition metal.
- 6. the battery core of polymer battery according to claim 5, it is characterised in that the gas absorption material include platinum, One kind in palladium, titanium, zirconium, vanadium and tungsten.
- 7. the battery core of polymer battery according to claim 1, it is characterised in that solid electrolyte is further included, it is described solid The region of the pole piece away from the electrode assemblie is provided with the gas adsorption unit in state electrolyte.
- 8. the battery core of polymer battery according to claim 1, it is characterised in that further include battery diaphragm；There is the adsorption layer being made of gas absorption material between two layers adjacent of battery diaphragm.
- 9. a kind of polymer battery, it is characterised in that including battery protecting plate and as any one of claim 1 to 8 Battery core；The electrode assemblie of the battery core extends packaging film and is electrically connected with the battery protecting plate.
- 10. a kind of electronic equipment, it is characterised in that including polymer battery as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721364608.8U CN207338543U (en) | 2017-10-23 | 2017-10-23 | A kind of battery core of polymer battery, polymer battery and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721364608.8U CN207338543U (en) | 2017-10-23 | 2017-10-23 | A kind of battery core of polymer battery, polymer battery and electronic equipment |
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| CN207338543U true CN207338543U (en) | 2018-05-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611472A (en) * | 2017-10-23 | 2018-01-19 | 广东欧珀移动通信有限公司 | A kind of battery core of polymer battery, polymer battery and electronic equipment |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611472A (en) * | 2017-10-23 | 2018-01-19 | 广东欧珀移动通信有限公司 | A kind of battery core of polymer battery, polymer battery and electronic equipment |
| CN107611472B (en) * | 2017-10-23 | 2023-10-13 | Oppo广东移动通信有限公司 | Battery core of polymer battery, polymer battery and electronic equipment |
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