CN108110230A - A kind of lithium chromium rechargeable battery and its manufacturing method - Google Patents
A kind of lithium chromium rechargeable battery and its manufacturing method Download PDFInfo
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- CN108110230A CN108110230A CN201711199347.3A CN201711199347A CN108110230A CN 108110230 A CN108110230 A CN 108110230A CN 201711199347 A CN201711199347 A CN 201711199347A CN 108110230 A CN108110230 A CN 108110230A
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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
- H01M4/366—Composites as layered products
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
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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
- H01M10/058—Construction or manufacture
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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
- H01M4/46—Alloys based on magnesium or aluminium
- H01M4/463—Aluminium based
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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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention discloses a kind of lithium chromium rechargeable battery and its manufacturing methods, lithium chromium rechargeable battery is included with anode made of lithium chromated oxide, the battery cathode made of boron oxide or alumel, to inject fluorine thiamines organic solution in electrolyte, on the basis of conventional storage electronics, also pass through lithium chromated oxide in electrolyte and boron oxide or alumel concerted reaction, lithium chromated oxide carries out reversible electrochemical reaction on the surface of boron oxide or alumel, further stored electrons, so as to increase considerably the capacity of battery, and improve the large current characteristic of battery, and then improve the cycle life of battery.
Description
Technical field
The present invention relates to field of batteries, and in particular to one kind has high-energy density, low self-discharging rate and long circulating longevity
The lithium chromium rechargeable battery and its manufacturing method of life.
Background technology
Currently, energy-saving and emission-reduction become the inevitable requirement of China's socio-economic development, while the development of future society still needs
The rechargeable battery of high power capacity and long-life is wanted to be supported, such as the fields such as consumer electronics, electric vehicle and aerospace are equal
Need high-capacity battery.
Existing chargeable nickel-ion battery be a kind of oxide material using manganese as positive electrode active materials, using nickel as cathode
Active material, using the aqueous solution containing nickel ion as the rechargeable battery of electrolyte.Common chargeable nickel-ion battery is with dioxy
Change manganese is anode, nickel is cathode, and nickeliferous deionized water solution is electrolyte.
This battery has the characteristics that cheap and has extended cycle life, but its capacity is too low, only 100~300mAh/g or so,
Service life is shorter.Therefore, there is an urgent need to the batteries with higher capacity and longer service life.
The content of the invention
The technical problems to be solved by the invention are：Above-mentioned the deficiencies in the prior art are made up, it is electric to propose that a kind of lithium chromium charges
Pond and its manufacturing method, battery have high power capacity, and the characteristics of have extended cycle life.
The task of the present invention is to provide a kind of lithium chromium rechargeable battery, including anode, the material of the anode
For lithium chromated oxide；
Battery cathode, the material of the battery cathode is boron oxide or alumel；
Electrolyte is charged and discharged reaction for impregnating the anode and the battery cathode electrolysis occurs；
Wherein, the content of the electrolyte includes identical propylene sulfate, ethyl-sulfate and the dimethoxy propane of percentage
Organic solution further includes at least one of fluorine thiamines organic solution and fluorine arsenic imines organic solution.
Wherein, when not containing fluorine arsenic imines organic solution in the electrolyte, the content of the fluorine thiamines organic solution
For 0.8mol/L.
Wherein, when not containing fluorine thiamines organic solution in the electrolyte, the content of the fluorine arsenic imines organic solution
For 1.2mol/L.
Wherein, when containing fluorine thiamines organic solution and fluorine arsenic imines organic solution in the electrolyte, the fluorine thiamines
The content of organic solution is 0.5mol/L, and the content of the fluorine arsenic imines organic solution is 0.9mol/L.
Wherein, described one layer of graphitic carbon material of lithium chromated oxide outer wrapping.
Meanwhile the present invention also provides a kind of manufacturing method of lithium chromium rechargeable battery, include the following steps：
A. the anode that lithium chromated oxide is active material is manufactured；
B. the battery cathode using boron oxide or alumel as active material is manufactured；
C. configure using propylene sulfate, ethyl-sulfate and the dimethoxy propane organic solution of grade ratios as electrolyte base fluid,
Then at least one of fluorine thiamines organic solution and fluorine arsenic imines organic solution are added into the electrolyte base fluid to be formed
Electrolyte；
D. the anode, cathode and electrolyte are packaged, the lithium chromium rechargeable battery is made.
Wherein, when not containing fluorine arsenic imines organic solution in the electrolyte, the content of the fluorine thiamines organic solution
For 0.8mol/L.
Wherein, when not containing fluorine thiamines organic solution in the electrolyte, the content of the fluorine arsenic imines organic solution
For 1.2mol/L.
Wherein, when containing fluorine thiamines organic solution and fluorine arsenic imines organic solution in the electrolyte, the fluorine thiamines
The content of organic solution is 0.5mol/L, and the content of the fluorine arsenic imines organic solution is 0.9mol/L.
Wherein, in the step a, one layer of graphitic carbon material is wrapped up again outside the lithium chromated oxide.
A kind of lithium chromium rechargeable battery provided by the invention, positive electrode selects lithium chromated oxide composite material, in electrolyte
It injects fluorine thiamines organic solution and fluorine arsenic imines organic solution is at least one, on the basis of conventional storage electronics, also pass through electricity
Lithium chromated oxide and boron oxide or alumel concerted reaction in liquid are solved, lithium chromated oxide is on the surface of boron oxide or alumel
Reversible electrochemical reaction is carried out, further stored electrons so as to increase considerably the capacity of battery, and improve battery
Large current characteristic, and then improve the cycle life of battery.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is lithium chromium charging accumulator structure schematic diagram according to embodiments of the present invention.
Reference numeral：1- anodes；2- battery cathode；3- electrolyte.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
1 lithium chromium rechargeable battery according to embodiments of the present invention is specifically described below in conjunction with the accompanying drawings, including anode 1, electricity
Pond cathode 2 and electrolyte 3.
Specifically, the material of the anode 1 is lithium chromated oxide；The material of the battery cathode 2 for boron oxide or
Alumel；The electrolyte 3 is charged and discharged for impregnating the anode 1 and the battery cathode 2 so that electrolysis occurs
Reaction；Wherein, the content of the electrolyte 3, which includes percentage identical propylene sulfate, ethyl-sulfate and dimethoxy propane, has
Machine solution further includes at least one of fluorine thiamines organic solution and fluorine arsenic imines organic solution.
In one embodiment, fluorine arsenic imines organic solution, the fluorine thiamines organic solution are not contained in the electrolyte 3
Content be 0.8mol/L.
In another example, fluorine thiamines organic solution is not contained in the electrolyte 3, the fluorine arsenic imines organic solution
Content is 1.2mol/L.
It is described containing fluorine thiamines organic solution and fluorine arsenic imines organic solution in the electrolyte 3 in another example
The content of fluorine thiamines organic solution is 0.5mol/L, and the content of the fluorine arsenic imines organic solution is 0.9mol/L.
Described one layer of graphitic carbon material of lithium chromated oxide outer wrapping.
A kind of lithium chromium rechargeable battery manufacturing method provided according to embodiments of the present invention, concretely comprises the following steps：
A. the anode that lithium chromated oxide is active material is manufactured；
B. the battery cathode using boron oxide or alumel as active material is manufactured；
C. configure using propylene sulfate, ethyl-sulfate and the dimethoxy propane organic solution of grade ratios as electrolyte base fluid,
Then at least one of fluorine thiamines organic solution and fluorine arsenic imines organic solution are added into the electrolyte base fluid to be formed
Electrolyte；
D. the anode, cathode and electrolyte are packaged, the lithium chromium rechargeable battery is made.
In one embodiment, in the step c, fluorine arsenic imines organic solution, the fluorine are not contained in the electrolyte
The content of thiamines organic solution is 0.8mol/L.
In another embodiment, in the step c, fluorine thiamines organic solution, the fluorine arsenic are not contained in the electrolyte
The content of imines organic solution is 1.2mol/L.
In another embodiment, in the step c, have in the electrolyte containing fluorine thiamines organic solution and fluorine arsenic imines
Machine solution, the content of the fluorine thiamines organic solution is 0.5mol/L, and the content of the fluorine arsenic imines organic solution is 0.9mol/
L。
In some optional examples, in the step a, one layer of graphite carbon materials are wrapped up again outside the lithium chromated oxide
Material.
In the above embodiment of the present invention, fluorine thiamines organic solution is more relatively low than the electric constant of fluorine arsenic imines organic solution,
But do not increase the concentration of electrolyte, be at most difficult to obtain big discharge capacity if content is crossed, therefore its content is limited in certain model
Within enclosing, 0.8mol/L is typically configured to；Wherein, when the content of fluorine thiamines organic solution and fluorine arsenic imines organic solution is providing
In the range of, then the electric constant of electrolyte can be effectively improved, lithium chromium discharging rechargeable battery capacity is made to become larger.
Further, electric conductivity is lacked since fluorine arsenic imines organic solution viscosity is high, and fusing point is high, if content is excessive
Hydraulic performance decline when may cause low temperature, therefore by the limitation of its content within limits, it is typically configured to 1.2mol/L.
Further, the content of the fluorine thiamines organic solution in electrolyte and fluorine arsenic imines organic solution is maintained at regulation model
When enclosing interior, can effectively inhibiting battery, internal resistance rises at low ambient temperatures, and holding capacitor amount is at low ambient temperatures not
It reduces.
In conclusion a kind of lithium chromium rechargeable battery according to the present invention and its manufacturing method, positive electrode selects lithium chromium oxygen
Compound composite material, fluorine thiamines organic solution is injected in electrolyte and fluorine arsenic imines organic solution is at least one, in conventional storage
On the basis of electronics, also by lithium chromated oxide in electrolyte and boron oxide or alumel concerted reaction, lithium chromated oxide exists
The surface of boron oxide or alumel carries out reversible electrochemical reaction, further stored electrons, so as to increase considerably electricity
The capacity in pond, and the large current characteristic of battery is improved, and then improve the cycle life of battery.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The instructions such as " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer "
Orientation or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of the description present invention and simplification is retouched
It states rather than indicates or imply signified device or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can be machine
Tool is connected or is electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms is not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiments or example in combine in an appropriate manner.
Although the embodiment of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art are not departing from the principle of the present invention and objective
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.
Claims (6)
1. a kind of lithium chromium rechargeable battery, which is characterized in that including：
Anode, the material of the anode is lithium chromated oxide；
Battery cathode, the material of the battery cathode is boron oxide or alumel；
Electrolyte is charged and discharged reaction for impregnating the anode and the battery cathode electrolysis occurs；
Wherein, it is organic to include the identical propylene sulfate of percentage, ethyl-sulfate and dimethoxy propane for the content of the electrolyte
Solution further includes fluorine thiamines organic solution.
2. lithium chromium rechargeable battery according to claim 1, which is characterized in that the content of the fluorine thiamines organic solution is
0.8mol/L。
3. lithium chromium rechargeable battery according to claim 1 or 2, which is characterized in that one layer of the lithium chromated oxide outer wrapping
Graphitic carbon material.
4. a kind of manufacturing method of lithium chromium rechargeable battery, which is characterized in that include the following steps：
S1. the anode that lithium chromated oxide is active material is manufactured；
S2. the battery cathode using boron oxide or alumel as active material is manufactured；
S3. configure using propylene sulfate, ethyl-sulfate and the dimethoxy propane organic solution of grade ratios as electrolyte base fluid, then
Fluorine thiamines organic solution is added into the electrolyte base fluid to form electrolyte；
S4. the anode, cathode and electrolyte are packaged, the lithium chromium rechargeable battery is made.
5. according to the method described in claim 4, it is characterized in that, in the step S3, the content of fluorine thiamines organic solution is
0.8mol/L。
6. method according to claim 4 or 5, which is characterized in that in the step S1, outside the lithium chromated oxide again
Wrap up one layer of graphitic carbon material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711199347.3A CN108110230B (en) | 2017-11-26 | 2017-11-26 | Lithium-chromium rechargeable battery and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711199347.3A CN108110230B (en) | 2017-11-26 | 2017-11-26 | Lithium-chromium rechargeable battery and manufacturing method thereof |
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| CN108110230A true CN108110230A (en) | 2018-06-01 |
| CN108110230B CN108110230B (en) | 2020-06-02 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110839A (en) * | 2009-12-29 | 2011-06-29 | 万向电动汽车有限公司 | Battery |
| CN104221204A (en) * | 2012-03-26 | 2014-12-17 | 汽车能源供应公司 | Lithium-ion secondary cell |
| JP5691828B2 (en) * | 2011-05-17 | 2015-04-01 | 日本電気株式会社 | Secondary battery |
| CN106450438A (en) * | 2016-10-17 | 2017-02-22 | 广州天赐高新材料股份有限公司 | Lithium-ion battery electrolyte and lithium ion battery with the same |
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2017
- 2017-11-26 CN CN201711199347.3A patent/CN108110230B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110839A (en) * | 2009-12-29 | 2011-06-29 | 万向电动汽车有限公司 | Battery |
| JP5691828B2 (en) * | 2011-05-17 | 2015-04-01 | 日本電気株式会社 | Secondary battery |
| CN104221204A (en) * | 2012-03-26 | 2014-12-17 | 汽车能源供应公司 | Lithium-ion secondary cell |
| CN106450438A (en) * | 2016-10-17 | 2017-02-22 | 广州天赐高新材料股份有限公司 | Lithium-ion battery electrolyte and lithium ion battery with the same |
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| CN108110230B (en) | 2020-06-02 |
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Effective date of registration: 20200424 Address after: 318000, No. 17, No. 4, Pan Pan residential district, Jiaojiang District, Zhejiang, Taizhou Applicant after: Pan Sujiao Address before: Cangzhou City, Hebei province 061000 canal area of West District property building Shunhe community neighborhood committee Applicant before: CANGZHOU AOLIWEI INTELLIGENT TECHNOLOGY Co.,Ltd. |
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