CN109962283A - A kind of nano-silicone wire/carbon material lithium battery of large capacity - Google Patents
A kind of nano-silicone wire/carbon material lithium battery of large capacity Download PDFInfo
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- CN109962283A CN109962283A CN201711410543.0A CN201711410543A CN109962283A CN 109962283 A CN109962283 A CN 109962283A CN 201711410543 A CN201711410543 A CN 201711410543A CN 109962283 A CN109962283 A CN 109962283A
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- nano
- silicone wire
- lithium battery
- shell
- carbon material
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/386—Silicon or alloys based on silicon
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a kind of nano-silicone wire/carbon material lithium batteries of large capacity, including shell, the interior of shell center is equipped with nano-silicone wire/carbon electrode, the nano-silicone wire/carbon electrode exterior is equipped with positive plate, diaphragm is equipped with outside the positive plate, the exterior is equipped with negative electrode tab, the upper end of the nano-silicone wire/carbon electrode is positive terminal, the bottom end of the nano-silicone wire/carbon electrode is negative pole end, the upper end of the shell embeds embodiment in which top gasket, the bottom end of the shell embeds bottom gasket, and the nano-silicone wire/carbon electrode extends to positive terminal and shell contact position is equipped with sealing ring.The nano-silicone wire/carbon material lithium battery of the large capacity, due to the high-absorbility of nano-silicone wire/carbon material pair and lithium battery, nano-silicone wire/carbon material, which is used for lithium battery, can increase substantially the capacity of lithium battery, expansion when simple silicon absorbs lithium ion can be effectively reduced, the affinity with electrolyte can be increased simultaneously, easily with dispersion, cycle performance is improved.
Description
Technical field
The invention belongs to technical field of lithium batteries, and in particular to a kind of nano-silicone wire/carbon material lithium battery of large capacity.
Background technique
It by lithium metal or lithium alloy is negative electrode material, using the battery of non-aqueous electrolytic solution that lithium battery, which is a kind of,.1912
Year lithium metal battery is proposed and is studied by Gilbert N. Lewis earliest.When the 1970s, M. S. Whittingham
It proposes and the lithium ion battery that begins one's study.Since the chemical characteristic of lithium metal is very active so that the processing of lithium metal, preservation,
It uses, it is very high to environmental requirement.So lithium battery is not applied for a long time.With the development of science and technology, present lithium electricity
Pond has become mainstream.Lithium battery is broadly divided into two classes: lithium metal battery and lithium ion battery.Lithium ion battery does not contain
The lithium of metallic state, and can charge.5th generation product lithium metal battery of rechargeable battery was born in 1996, peace
Quan Xing, specific capacity, self-discharge rate and the ratio of performance to price are superior to lithium ion battery.Since the high-tech of its own requires limitation,
Only the company of a few countries is producing this lithium metal battery now.The big multicapacity of current lithium battery is smaller, often
Not enough power supply influences the experience of user.
In view of this, designing a kind of nano-silicone wire/carbon material lithium battery of biggish large capacity of capacity to solve the above problems very
It is necessary to.
Summary of the invention
The purpose of the present invention is to provide a kind of nano-silicone wire/carbon material lithium batteries of large capacity, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of nano-silicone wire/carbon material lithium battery of large capacity,
Including shell, the interior of shell center is equipped with nano-silicone wire/carbon electrode, and the nano-silicone wire/carbon electrode exterior is equipped with positive plate,
Diaphragm is equipped with outside the positive plate, the exterior is equipped with negative electrode tab, and the upper end of the nano-silicone wire/carbon electrode is positive terminal,
The bottom end of the nano-silicone wire/carbon electrode is negative pole end, and the upper end of the shell embeds embodiment in which top gasket, and the bottom end of the shell is embedded
Bottom gasket.
Preferably, the nano-silicone wire/carbon electrode extends to positive terminal and shell contact position is equipped with sealing ring.
Preferably, safety valve is installed between the sealing ring and embodiment in which top gasket.
Preferably, coat of metal is equipped with outside the positive terminal.
Preferably, PVC casing is equipped with outside the shell bottom end.
Preferably, the shell is cylindrical.
Technical effect and advantage of the invention: the nano-silicone wire/carbon material lithium battery of the large capacity, due to nano-silicone wire/carbon material
To the high-absorbility with lithium battery, nano-silicone wire/carbon material, which is used for lithium battery, can increase substantially the capacity of lithium battery, can be with
Expansion when simple silicon absorbs lithium ion is effectively reduced, while the affinity with electrolyte can be increased, easily with dispersion, is improved
Cycle performance.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is top view of the invention；
Fig. 3 is front view of the invention.
In figure: 1 shell, 2 electrodes, 3 embodiment in which top gasket, 4 positive terminals, 5 safety valves, 6 sealing rings, 7 positive plates, 8 diaphragms, 9 negative
Pole piece, 10 bottom gaskets, 11 negative pole ends, 12 PVC casings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of nano-silicone wire/carbon material lithium battery of large capacity as shown in Figs. 1-3, including shell 1, institutes
1 inner hub location of shell is stated equipped with nano-silicone wire/carbon electrode 2, is equipped with positive plate 7 outside the nano-silicone wire/carbon electrode 2, it is described just
Diaphragm 8 is equipped with outside pole piece 7,8 two sides of diaphragm are filled with electrolyte, and negative electrode tab 9 is equipped with outside the diaphragm 8, described to receive
The upper end of rice silicon-carbon electrode 2 is positive terminal 4, and the bottom end of the nano-silicone wire/carbon electrode 2 is negative pole end 11, the upper end of the shell 1
The bottom end of embedded embodiment in which top gasket 3, the shell 1 embeds bottom gasket 10.
Specifically, the nano-silicone wire/carbon electrode 2 extends to positive terminal 4 and 1 contact position of shell is equipped with sealing ring 6, prevent
Electrolyte is sewed.
Specifically, being equipped with safety valve 5 between the sealing ring 6 and embodiment in which top gasket 3, safety effect is played.
Specifically, being equipped with coat of metal outside the positive terminal 4, positive terminal 4 is protected.
Specifically, being equipped with PVC casing 12 outside 1 bottom end of shell, negative pole end 11 is protected.
Specifically, the shell 1 is cylindrical, stability is relatively good.
Working principle: the nano-silicone wire/carbon material lithium battery of the large capacity, due to the height of nano-silicone wire/carbon material pair and lithium battery
Absorptivity, nano-silicone wire/carbon material, which is used for lithium battery, can increase substantially the capacity of lithium battery.With nano silica fume and nano-sized carbon
Powder prepares nano-silicone wire/carbon compound using the method for mechanical ball mill, using XRD, SEM and electricity as electrode material of lithium battery
The means such as test chemical have carried out structural characterization and performance test to material, pass through the silicon and nano-sized carbon of ball milling different quality ratio
Powder, and charge-discharge test is carried out to corresponding compound, search out the optimal proportion of silicon and nano-carbon powder, value 1: 7, group
At Si-C composite material, expansion when simple silicon absorbs lithium ion can be effectively reduced, while can be increased and electrolyte
Affinity improves cycle performance easily with dispersion.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of nano-silicone wire/carbon material lithium battery of large capacity, including shell (1), it is characterised in that: in shell (1) inside
Heart position is equipped with nano-silicone wire/carbon electrode (2), is equipped with positive plate (7) outside the nano-silicone wire/carbon electrode (2), the positive plate (7)
Outside is equipped with diaphragm (8), is equipped with negative electrode tab (9) outside the diaphragm (8), and the upper end of the nano-silicone wire/carbon electrode (2) is anode
It holds (4), the bottom end of the nano-silicone wire/carbon electrode (2) is negative pole end (11), and the upper end of the shell (1) embeds embodiment in which top gasket (3),
The bottom end of the shell (1) embeds bottom gasket (10).
2. the nano-silicone wire/carbon material lithium battery of large capacity according to claim 1, it is characterised in that: the nano-silicone wire/carbon electricity
Pole (2) extends to positive terminal (4) and shell (1) contact position is equipped with sealing ring (6).
3. the nano-silicone wire/carbon material lithium battery of large capacity according to claim 2, it is characterised in that: the sealing ring (6)
Safety valve (5) are installed between embodiment in which top gasket (3).
4. the nano-silicone wire/carbon material lithium battery of large capacity according to claim 1, it is characterised in that: the positive terminal (4)
Outside is equipped with coat of metal.
5. the nano-silicone wire/carbon material lithium battery of large capacity according to claim 1, it is characterised in that: shell (1) bottom
End is external to be equipped with PVC casing (12).
6. the nano-silicone wire/carbon material lithium battery of large capacity according to claim 1, it is characterised in that: the shell (1) is in
It is cylindric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711410543.0A CN109962283A (en) | 2017-12-23 | 2017-12-23 | A kind of nano-silicone wire/carbon material lithium battery of large capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711410543.0A CN109962283A (en) | 2017-12-23 | 2017-12-23 | A kind of nano-silicone wire/carbon material lithium battery of large capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109962283A true CN109962283A (en) | 2019-07-02 |
Family
ID=67020058
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711410543.0A Pending CN109962283A (en) | 2017-12-23 | 2017-12-23 | A kind of nano-silicone wire/carbon material lithium battery of large capacity |
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| CN (1) | CN109962283A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1612402A (en) * | 2003-10-29 | 2005-05-04 | 松下电器产业株式会社 | Lithium ion secondary battery and method for manufacturing the same |
| CN102403497A (en) * | 2010-09-16 | 2012-04-04 | 三星Sdi株式会社 | Negative active material for rechargeable lithium battery and rechargeable lithium battery including the same |
| CN202585640U (en) * | 2012-04-01 | 2012-12-05 | 东莞市易升电池有限公司 | Nickel lithium cobalt oxide aluminum shell cylindrical battery |
| US20130323592A1 (en) * | 2012-05-31 | 2013-12-05 | Samsung Sdi Co., Ltd. | Binder for electrode of lithium battery, and electrode and lithium battery containing the binder |
-
2017
- 2017-12-23 CN CN201711410543.0A patent/CN109962283A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1612402A (en) * | 2003-10-29 | 2005-05-04 | 松下电器产业株式会社 | Lithium ion secondary battery and method for manufacturing the same |
| CN102403497A (en) * | 2010-09-16 | 2012-04-04 | 三星Sdi株式会社 | Negative active material for rechargeable lithium battery and rechargeable lithium battery including the same |
| CN202585640U (en) * | 2012-04-01 | 2012-12-05 | 东莞市易升电池有限公司 | Nickel lithium cobalt oxide aluminum shell cylindrical battery |
| US20130323592A1 (en) * | 2012-05-31 | 2013-12-05 | Samsung Sdi Co., Ltd. | Binder for electrode of lithium battery, and electrode and lithium battery containing the binder |
Non-Patent Citations (1)
| Title |
|---|
| 陈冠荣: "《化工百科全书》", 31 March 1993 * |
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