CN107749499A - Application of the nano TiN as the additive for improving full battery heat dispersion - Google Patents
Application of the nano TiN as the additive for improving full battery heat dispersion Download PDFInfo
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- CN107749499A CN107749499A CN201710834136.6A CN201710834136A CN107749499A CN 107749499 A CN107749499 A CN 107749499A CN 201710834136 A CN201710834136 A CN 201710834136A CN 107749499 A CN107749499 A CN 107749499A
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
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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
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The present invention disclose a kind of application of nano TiN as the additive of the full battery heat dispersion of raising, is dispersed in nano TiN is evengranular using the method for vacuum stirring in anode sizing agent, to improve the high rate performance of battery and heat dispersion.Thereby, by the way that nano TiN is added in a manner of additive in blending process, realize effectively simple radiating, cost is cheap, and the full battery being prepared using the present invention, heat dispersion are significantly increased, and it is slow compared with the battery for being not added with TiN to show as programming rate, under the conditions of temperature rise, obvious performance degradation does not occur for the battery of either Charging state, electric discharge state or circulation state.
Description
Technical field
The present invention relates to battery material art, refers in particular to a kind of nano TiN as the full battery heat dispersion of raising
Additive application.
Background technology
Due to the increasingly depleted of fossil energy, people constantly seek the method for substituting fossil energy.From lithium battery in 1970
Since appearance, lithium ion battery with its high voltage, high-energy-density, have extended cycle life, have a safety feature, cost is cheap the advantages that
Have been obtained for being widely applied on the portable electric appts such as computer, camera and mobile phone.
The safety problem of lithium ion battery constrains the development of electric automobile.Lithium ion battery is in large current density electric process
It is middle to produce substantial amounts of heat, if these heats do not dissipate in time can cause the accumulation of inside battery heat, cause battery temperature
Rise, there is dual influence to electrokinetic cell；Along with the rise of battery temperature, the internal resistance of battery on the one hand can be reduced, separately
On the one hand, the rise of battery temperature can cause shorter battery life.If the accumulation of heat causes the high temperature dot of inside battery, have
The thermal runaway of battery may be triggered.Research shows that, when temperature is more than 50 DEG C, the performance and cycle life of lithium ion battery all can
Decline, and temperature is too high, and the phenomenon of " being not fully filled, put endless " occurs in lithium battery.Under the conditions of temperature rise, either fill
Obvious performance degradation occurs for the battery of electric state, electric discharge state or circulation state.
The content of the invention
In view of this, in view of the existing deficiencies of the prior art, its main purpose is to provide a kind of nano TiN conduct to the present invention
The application of the additive of full battery heat dispersion is improved, it can improve the high rate performance of battery and heat dispersion.
To achieve the above object, the present invention is using following technical scheme：
Application of a kind of nano TiN as the additive for improving full battery heat dispersion, using the method for vacuum stirring by nanometer
TiN is evengranular to be dispersed in anode sizing agent, to improve the high rate performance of battery and heat dispersion.
As a kind of preferred scheme, the mass ratio of the nano TiN particle is 0.05%-0.2%.
As a kind of preferred scheme, the preparation method of the battery includes following steps：
（1）PVDF and NMP, rotational velocity 15Hz, revolution speed 15Hz, after 30 minutes, rotation are added in planetary stirring machine
Speed and revolution speed are all adjusted to 30Hz, and vacuumize, and stir 2 hours；
（2）In toward mixer plus Super-p, rotational velocity and revolution speed are all adjusted to 15Hz, after 15 minutes, by rotational velocity and
Revolution speed is all adjusted to 30Hz, and vacuumizes, and stirs 2 hours；
（3）Plus nano TiN particles in toward mixer, rotational velocity and revolution speed are all adjusted to 15Hz, will be from rotating speed after 15 minutes
Degree and revolution speed are all adjusted to 30Hz, and vacuumize, and stir 2 hours；
（4）Add gram LFP in toward mixer, rotational velocity and revolution speed are all adjusted to 15Hz, after 15 minutes, by rotational velocity and public affairs
Rotary speed is all adjusted to 30Hz, and vacuumizes, and stirs 2 hours；
（5）By manufactured slurry is coated, trimming, rolling step make 18650 full batteries.
The present invention has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technical proposal
Understand：
Adding nano TiN in a manner of additive in blending process, effectively simple radiating is realized, cost is cheap,
And using the full battery that is prepared of the present invention, heat dispersion is significantly increased, programming rate is shown as compared with being not added with TiN's
Battery is slow, and under the conditions of temperature rise, obvious performance does not occur for the battery of either Charging state, electric discharge state or circulation state
Decline.
Brief description of the drawings
Fig. 1 is the XRD of nano TiN particle in the preferred embodiments of the invention；
Fig. 2 is SEM figures of the TiN on pole piece in the preferred embodiments of the invention；
Fig. 3 is the heating figure of battery in the preferred embodiments of the invention.
Embodiment
Present invention is disclosed a kind of application of nano TiN as the additive for improving full battery heat dispersion, vacuum is used
The method of stirring is dispersed in nano TiN is evengranular in anode sizing agent, to improve the high rate performance of battery and thermal diffusivity
Energy.The mass ratio of the nano TiN particle is 0.05%-0.2%.The preparation method of the battery includes following steps：
（1）PVDF and NMP, rotational velocity 15Hz, revolution speed 15Hz, after 30 minutes, rotation are added in planetary stirring machine
Speed and revolution speed are all adjusted to 30Hz, and vacuumize, and stir 2 hours.
（2）Super-p is added in toward mixer, rotational velocity and revolution speed are all adjusted to 15Hz, after 15 minutes, by rotation
Speed and revolution speed are all adjusted to 30Hz, and vacuumize, and stir 2 hours.
（3）Nano TiN particle is added in toward mixer, rotational velocity and revolution speed are all adjusted to 15Hz, will after 15 minutes
Rotational velocity and revolution speed are all adjusted to 30Hz, and vacuumize, and stir 2 hours.
（4）LFP is added in toward mixer, rotational velocity and revolution speed are all adjusted to 15Hz, after 15 minutes, by rotational velocity
30Hz is all adjusted to revolution speed, and is vacuumized, is stirred 2 hours.
（5）By manufactured slurry is coated, trimming, rolling step make 18650 full batteries.
Titanium nitride（TiN）With typical NaCl types structure, belong to face-centered cubic lattice, wherein titanium atom is located at face-centered cubic
Angle top.TiN fusing points are higher than the fusing point of most of transition metal nitrides, and density is lower than most metals nitride, because
This is a kind of very distinctive heat proof material.TiN has higher electric conductivity and superconductivity, can be applied to high-temperature structural material and
Superconductor.The nanoscale titanium nitride that particle is small, surface area is big, which can also be distributed in other industrial materials, forms conductive mesh
Network, those are made to be greatly improved mixed with the electric conductivity of the industrial materials of Nano titanium nitride.Therefore, Nano titanium nitride is this
Industrial materials application prospect is boundless.As Figure 1 shows be the nano TiN particle used XRD, can see in XRD
Go out, TiN has good crystallinity.As shown in Fig. 2 it is obvious that nano TiN particle is uniformly dispersed in SEM figures
In pole piece everywhere.
The present invention is described in further details with specific embodiment below：
1）62.4 grams of PVDF and 1440 gram of NMP, rotational velocity 15Hz, revolution speed 15Hz, 30 are added in planetary stirring machine
After minute, rotational velocity and revolution speed are all adjusted to 30Hz, and vacuumize, and stir 2 hours.
2）31.2 grams of Super-p are added in toward mixer, rotational velocity and revolution speed are all adjusted to 15Hz, after 15 minutes,
Rotational velocity and revolution speed are all adjusted to 30Hz, and vacuumized, is stirred 2 hours.
3）Add 1.56 grams of nano TiN particles in toward mixer, rotational velocity and revolution speed are all adjusted to 15Hz, 15 minutes
Afterwards, rotational velocity and revolution speed are all adjusted to 30Hz, and vacuumized, stirred 2 hours.
4）1464.84 grams of LFP are added in toward mixer, rotational velocity and revolution speed are all adjusted to 15Hz, will after 15 minutes
Rotational velocity and revolution speed are all adjusted to 30Hz, and vacuumize, and stir 2 hours.
5）By manufactured slurry is coated, trimming, rolling etc. step make 18650 full batteries.
6) heating curve tested in its charge and discharge process.
As shown in figure 3, after addition nano TiN particle, battery heating is significantly lower than the battery for being not added with nano TiN particle,
So as to demonstrate, after adding nano TiN particle, the increase of battery heat dispersion.
The design focal point of the present invention is：Adding nano TiN in a manner of additive in blending process, realize
Effectively simple radiating, cost is cheap, and the full battery being prepared using the present invention, heat dispersion are significantly increased, table
It is now slow compared with the battery for being not added with TiN for programming rate, under the conditions of temperature rise, either Charging state, electric discharge state or circulation
Obvious performance degradation does not occur for the battery of state.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Therefore any subtle modifications, equivalent variations and modifications that every technical spirit according to the present invention is made to above example, still
Belong in the range of technical solution of the present invention.
Claims (3)
- A kind of 1. application of nano TiN as the additive for improving full battery heat dispersion, it is characterised in that：Use vacuum stirring Method be dispersed in nano TiN is evengranular in anode sizing agent, to improve the high rate performance of battery and heat dispersion.
- 2. application of the nano TiN according to claim 1 as the additive for improving full battery heat dispersion, its feature exist In：The mass ratio of the nano TiN particle is 0.05%-0.2%.
- 3. application of the nano TiN according to claim 1 as the additive for improving full battery heat dispersion, its feature exist In：The preparation method of the battery includes following steps：（1）PVDF and NMP, rotational velocity 15Hz, revolution speed 15Hz, after 30 minutes, rotation are added in planetary stirring machine Speed and revolution speed are all adjusted to 30Hz, and vacuumize, and stir 2 hours；（2）Super-p is added in toward mixer, rotational velocity and revolution speed are all adjusted to 15Hz, after 15 minutes, by rotational velocity 30Hz is all adjusted to revolution speed, and is vacuumized, is stirred 2 hours；（3）Nano TiN particle is added in toward mixer, rotational velocity and revolution speed are all adjusted to 15Hz, after 15 minutes, by rotation Speed and revolution speed are all adjusted to 30Hz, and vacuumize, and stir 2 hours；（4）LFP is added in toward mixer, rotational velocity and revolution speed are all adjusted to 15Hz, after 15 minutes, by rotational velocity and public affairs Rotary speed is all adjusted to 30Hz, and vacuumizes, and stirs 2 hours；（5）By manufactured slurry is coated, trimming, rolling step make 18650 full batteries.
Priority Applications (1)
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| CN201710834136.6A CN107749499A (en) | 2017-09-15 | 2017-09-15 | Application of the nano TiN as the additive for improving full battery heat dispersion |
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| CN201710834136.6A CN107749499A (en) | 2017-09-15 | 2017-09-15 | Application of the nano TiN as the additive for improving full battery heat dispersion |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167102A (en) * | 2018-09-26 | 2019-01-08 | 福建师范大学 | A kind of lithium ion battery production method of anode pole piece surface depositing titanium nitride |
| CN109786674A (en) * | 2019-03-04 | 2019-05-21 | 福建师范大学 | A kind of preparation method of lithium ion battery of nickelic tertiary cathode pole piece depositing titanium nitride |
| CN109888188A (en) * | 2019-03-04 | 2019-06-14 | 福建师范大学 | A kind of nickelic tertiary cathode pole piece preparation method of lithium battery surface depositing titanium nitride |
| CN114497454A (en) * | 2021-12-24 | 2022-05-13 | 贵州梅岭电源有限公司 | Positive pole piece, battery and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010129440A (en) * | 2008-11-28 | 2010-06-10 | National Institute Of Advanced Industrial Science & Technology | Three-component system electrode material particles for lithium battery or hybrid capacitor, and their manufacturing method |
| CN101958438A (en) * | 2009-07-16 | 2011-01-26 | 旭正隆股份有限公司 | Thermal management multilayer film, sheet and hollow piece for secondary battery and super capacitor |
| CN106025192A (en) * | 2015-03-27 | 2016-10-12 | Tdk株式会社 | Positive electrode active material, positive electrode using same, and lithium ion secondary battery |
-
2017
- 2017-09-15 CN CN201710834136.6A patent/CN107749499A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010129440A (en) * | 2008-11-28 | 2010-06-10 | National Institute Of Advanced Industrial Science & Technology | Three-component system electrode material particles for lithium battery or hybrid capacitor, and their manufacturing method |
| CN101958438A (en) * | 2009-07-16 | 2011-01-26 | 旭正隆股份有限公司 | Thermal management multilayer film, sheet and hollow piece for secondary battery and super capacitor |
| CN106025192A (en) * | 2015-03-27 | 2016-10-12 | Tdk株式会社 | Positive electrode active material, positive electrode using same, and lithium ion secondary battery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167102A (en) * | 2018-09-26 | 2019-01-08 | 福建师范大学 | A kind of lithium ion battery production method of anode pole piece surface depositing titanium nitride |
| CN109786674A (en) * | 2019-03-04 | 2019-05-21 | 福建师范大学 | A kind of preparation method of lithium ion battery of nickelic tertiary cathode pole piece depositing titanium nitride |
| CN109888188A (en) * | 2019-03-04 | 2019-06-14 | 福建师范大学 | A kind of nickelic tertiary cathode pole piece preparation method of lithium battery surface depositing titanium nitride |
| CN114497454A (en) * | 2021-12-24 | 2022-05-13 | 贵州梅岭电源有限公司 | Positive pole piece, battery and preparation method thereof |
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Address after: Yongan City, Fujian province 366000 Gong Chuan Zhen Shui Dong Park No. 38 Applicant after: FUJIAN XFH BATTERY MATERIAL CO., LTD. Address before: 9, J building, building 20, block C, 1 Science Park, Shenzhen Road, Longhua New District, Longhua, Guangdong, 518000, China Applicant before: FUJIAN XFH BATTERY MATERIAL CO., LTD. |
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Application publication date: 20180302 |