CN108063256A - Lithium ion battery negative material, anode plate for lithium ionic cell and preparation method thereof and lithium ion battery - Google Patents
Lithium ion battery negative material, anode plate for lithium ionic cell and preparation method thereof and lithium ion battery Download PDFInfo
- Publication number
- CN108063256A CN108063256A CN201711326598.3A CN201711326598A CN108063256A CN 108063256 A CN108063256 A CN 108063256A CN 201711326598 A CN201711326598 A CN 201711326598A CN 108063256 A CN108063256 A CN 108063256A
- Authority
- CN
- China
- Prior art keywords
- ion battery
- lithium ion
- carbomer
- lithium
- adhesive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- H01M4/621—Binders
- H01M4/622—Binders being polymers
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The present invention provides a kind of lithium ion battery negative material, anode plate for lithium ionic cell and preparation method thereof and lithium ion batteries, it is related to electrode material technical field, the lithium ion battery negative material includes negative electrode active material, adhesive and conductive agent, and described adhesive includes acroleic acid polymerization species adhesive；Traditional lithium ion battery negative material is alleviated using butadiene-styrene rubber and sodium carboxymethylcellulose as adhesive, the technical issues of cycle life is relatively low, reach and butadiene-styrene rubber and sodium carboxymethylcellulose are replaced as adhesive using the adhesive for including acroleic acid polymerization species adhesive, in the electrolytic solution without Swelling, cryogenic property is improved, extends the technique effect of cycle life of lithium ion battery.
Description
Technical field
The present invention relates to electrode material preparation method technical field, more particularly, to a kind of lithium ion battery negative material,
Anode plate for lithium ionic cell and preparation method thereof and lithium ion battery.
Background technology
Lithium ion battery is since last century, the nineties were accomplished scale production, with its high volume energy ratio, high weight
The advantages that energy ratio, high voltage, low discharge rate, memory-less effect and long circulation life, is widely used in every field.
Traditional lithium ion battery negative material uses butadiene-styrene rubber and sodium carboxymethylcellulose as adhesive, due to upper
Adhesive is stated in the electrolytic solution there are Swelling, causes the butadiene-styrene rubber after swelling under the bonding force of negative electrode active material
Drop, when lithium ion battery cycles, negative electrode active material easily comes off, and cycle life of lithium ion battery reduces.
In view of this, it is special to propose the present invention.
The content of the invention
It is an object of the invention to provide a kind of preparation method of lithium ion battery negative material, with alleviate traditional lithium from
Sub- cell negative electrode material is using butadiene-styrene rubber and sodium carboxymethylcellulose as adhesive, and there are molten in the electrolytic solution for adhesive
It is swollen, negative electrode active material is caused easily to come off, cycle life of lithium ion battery reduce the technical issues of.
Lithium ion battery negative material provided by the invention, it is described viscous including negative electrode active material, adhesive and conductive agent
Mixture includes acroleic acid polymerization species adhesive.
The acroleic acid polymerization species adhesive include carbomer 934, Acritamer 940, Carbopol, Carbomer981,
Carbomer934, carbomer 1382, carbomer TR-1, carbomer TR-2, carbomer ETD2001, carbomer ETD2050, card ripple
Nurse Ultrez10, carbomer Ultrez20, carbomer Ulrez21, carbomer Aqua SF-1, carbomer Aqua CC, carbomer
At least one of L10, carbomer EZ-4U and carbomer EC-2.
Further, described adhesive further includes polytetrafluoroethylene (PTFE), Vingon, soluble poly tetrafluoroethene, butylbenzene
Rubber, hydroxypropyl methyl cellulose, methylcellulose, carboxymethyl cellulose, polyvinyl alcohol, acrylonitrile copolymer, sodium alginate,
At least one of chitosan and chitosan derivatives.
Further, the negative electrode active material is selected from Delanium, native graphite, silicon-carbon, lithium titanate, graphene, tin
In oxide, Sn-polymetallic orefield, kamash alloy, silicon-base alloy, germanium-base alloy, acieral, antimony-containing alloy, magnesium base alloy
At least one.
Further, the conductive agent in graphite, carbon black, acetylene black, graphene, carbon fiber and carbon nanotubes extremely
Few one kind.
Further, mass percent of the described adhesive in the ion cathode material lithium is 1.5-25%, and third
The mass percent that olefin(e) acid polymeric adhesives account for adhesive is not less than 1%；Preferably, adhesive is born in lithium ion battery
Mass percent in the material of pole is 1.5-2.5%.
The second object of the present invention is to provide a kind of anode plate for lithium ionic cell, including above-mentioned negative electrode of lithium ion battery material
Material and collector, the lithium ion battery negative material is coated on the collector.
Further, the collector is copper foil or copper alloy foil.
The third object of the present invention is the preparation method for providing above-mentioned anode plate for lithium ionic cell, includes the following steps：
(a) lithium ion battery negative material provided by the invention is dispersed in water, lithium ion battery anode slurry is made；
(b) by lithium ion battery anode slurry coating on a current collector, then it is dried and roll-in, that is, lithium-ion electric is made
Pond negative material.
The fourth object of the present invention is to provide a kind of including above-mentioned lithium ion battery negative material or above-mentioned lithium-ion electric
The lithium ion battery of pond negative plate.
Lithium ion battery negative material provided by the invention uses the adhesive generation for including acroleic acid polymerization species adhesive
For butadiene-styrene rubber and sodium carboxymethylcellulose as adhesive, in the electrolytic solution without Swelling, and lithium ion battery is improved
Cryogenic property, extend cycle life of lithium ion battery.
Anode plate for lithium ionic cell provided by the invention using lithium ion battery negative material provided by the invention prepare and
Into in the electrolytic solution without Swelling, improving cryogenic property, extend cycle life of lithium ion battery.
The preparation method of anode plate for lithium ionic cell provided by the invention is simple for process, easy to operate, can be suitable for work
The big production of industryization.
Lithium ion battery provided by the invention using lithium ion battery negative material preparation provided by the invention prepare lithium from
Sub- battery cathode sheet can improve lithium ion battery cryogenic property, extend cycle life of lithium ion battery.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the charge-discharge performance test curve for the lithium ion battery that the embodiment of the present invention 1 provides；
Fig. 2 is the charge-discharge performance test curve for the lithium ion battery that comparative example 1 of the present invention provides.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
According to an aspect of the present invention, the present invention provides a kind of lithium ion battery negative material, including negative electrode active
Substance, adhesive and conductive agent, described adhesive include at least one kind in acroleic acid polymerization species adhesive.
Lithium ion battery negative material provided by the invention uses the bonding including at least acroleic acid polymerization species adhesive
Agent replaces butadiene-styrene rubber and sodium carboxymethylcellulose, and as adhesive, the lithium ion battery negative material being prepared is in electrolyte
Middle no Swelling, improves cryogenic property, can promote the capacitance of lithium ion battery, extends the lithium ion battery Xun Huan longevity
Life.
In the preferred embodiment of the present invention, acroleic acid polymerization species adhesive includes carbomer 934, carbomer
940th, Carbopol, Carbomer981, carbomer934, carbomer 1382, carbomer TR-1, carbomer TR-2, carbomer
ETD2001, carbomer ETD2050, carbomer Ultrez10, carbomer Ultrez20, carbomer Ulrez21, carbomer Aqua
At least one of SF-1, carbomer Aqua CC, carbomer L10 and carbomer EC-2.
In present invention further optimization embodiment, acroleic acid polymerization species adhesive is purchased from Lu Borun special typeizations
Work Co., Ltd.
In present invention further optimization embodiment, adhesive can be one in acrylate copolymer class adhesive
Kind, such as carbomer 934, Acritamer 940, Carbopol, Carbomer981, carbomer934, carbomer 1382, carbomer TR-
1st, carbomer TR-2, carbomer ETD2001, carbomer ETD2050, carbomer Ultrez10, carbomer Ultrez20, carbomer
Ulrez21, carbomer Aqua SF-1, carbomer Aqua CC, carbomer L10, carbomer EZ-4U or carbomer EC-2, also may be used
Think the mixture of the acroleic acid polymerization species adhesive of above two model, can also be that the acrylic acid of above-mentioned three kinds of models gathers
Close species adhesive in mixture, can also four or more above-mentioned model acroleic acid polymerization species adhesive mixing
Object.
In the preferred embodiment of the present invention, adhesive further includes polytetrafluoroethylene (PTFE) (PTFE), Vingon
(PVDF), soluble poly tetrafluoroethene (PFA), butadiene-styrene rubber (SBR), hydroxypropyl methyl cellulose (HPMC), methylcellulose
(MC), carboxymethyl cellulose (CMC), polyvinyl alcohol (PVA), acrylonitrile copolymer, sodium alginate, chitosan and chitosan derivative
At least one of object.
Above-mentioned polytetrafluoroethylene (PTFE), Vingon, soluble poly tetrafluoroethene and butadiene-styrene rubber are water emulsion, with
Convenient for that can uniformly disperse in water.
Acrylonitrile copolymer is including LA132, LA133 and LA135 etc..
When adhesive is the mixture of acroleic acid polymerization species adhesive and above-mentioned other adhesives, prepared cathode
More preferably, cycle life of lithium ion battery is longer for the adhesiving effect of slurry and base material.
In the preferred embodiment of the present invention, negative electrode active material be selected from Delanium, native graphite, silicon-carbon,
Lithium titanate, graphene, tin-oxide, Sn-polymetallic orefield, kamash alloy, silicon-base alloy, germanium-base alloy, acieral, antimony
At least one of based alloy, magnesium base alloy.
In the typical but non-limiting embodiment of the present invention, negative electrode active material can be Delanium, natural
Graphite, silicon-carbon, lithium titanate, graphene, tin-oxide, Sn-polymetallic orefield, kamash alloy, silicon-base alloy, germanium-base alloy, aluminium
Based alloy, antimony-containing alloy or magnesium base alloy, or arbitrary two kinds of mixture, such as artificial stone in above-mentioned negative electrode active material
The mixture of ink and silicon-carbon, the mixture of the mixture of lithium titanate and graphene, tin-oxide and silicon-base alloy etc. can also be
Arbitrary three kinds and three kinds or more of mixture in above-mentioned negative electrode active material is such as native graphite, acieral and antimony-containing alloy
Mixture, native graphite, silicon-carbon, lithium titanate, graphene, the mixture etc. of tin-oxide.Wherein, kamash alloy includes
SnSb、Cu6Sn5、Ni3Sn2, SnCa and Mg2Sn etc., silicon-base alloy include Mg2Sn、 Mg2Si etc., acieral include Al6Mn、
Al4Mn、Al2Cu、AlNi、Fe2Al5Include InSb, Cu Deng, antimony-containing alloy2Sb、MnSb、Ag3Sb、Zn4Sb3、CoSb3、NiSb2、
CoFe3Sb12、TiSb2、VSb2Deng.
In the preferred embodiment of the present invention, conductive agent is selected from graphite, carbon black, acetylene black, graphene, carbon fiber
At least one of with carbon nanotubes.
In the typical but non-limiting embodiment mode of the present invention, conductive agent can be graphite, carbon black, acetylene
Black, graphene, carbon fiber or carbon nanotubes, or above-mentioned arbitrary two kinds of mixture, such as graphite and the mixture of carbon black,
Or carbon black and the mixture of acetylene black, the mixture of carbon fiber and carbon nanotubes etc., can also be above-mentioned arbitrary three kinds of mixing
Object, the mixture of mixture or carbon black, acetylene black and graphene such as graphite, carbon black and acetylene black etc. also can also be above-mentioned
Any four and four kinds or more of mixture, such as graphite, carbon black, the mixture of acetylene black and graphene.
In the preferred embodiment of the present invention, mass percent of the adhesive in lithium ion battery negative material
For 1.5-25%, and mass percent of the acrylic polymer adhesive in adhesive is not less than 1%, it is preferable that bonding
Mass percent of the agent in lithium ion battery negative material is 1.5-2.5%.
The present invention typical but non-limiting embodiment in, adhesive in lithium ion battery negative material hundred
Point than for 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%, 5%, 5.5%, 6%, 6.5%, 7%, 7.5%, 8%,
8.5%th, 9%, 10%, 10.5%, 11%, 11.5%, 12%, 12.5%, 13%, 13.5%, 14%, 14.5%, 15%,
15.5%th, 16%, 16.5%, 17%, 17.5%, 18%, 19%, 19.5%, 20%, 20.5%, 21%, 21.5%,
22%th, 22.5%, 23%, 23.5%, 24% or 24.5%.
When in lithium ion battery negative material, percentage of the adhesive in ion cathode material lithium is 1.5-25%, and
When mass percent of the acrylic polymer adhesive in adhesive is not less than 1%, anode plate for lithium ionic cell does not lose powder,
Materials from bonding is good, when especially the percentage when adhesive in ion cathode material lithium is 1.5-2.5%, lithium ion battery
Negative plate activity substance content bigger, capacitance higher, stability in the electrolytic solution is also more preferable, will not be swollen.
According to the second aspect of the invention, the present invention provides a kind of anode plate for lithium ionic cell, carried including the present invention
The lithium ion battery negative material and collector of confession, lithium ion battery negative material is coated on collector.
In the preferred embodiment of the present invention, collector is copper foil or copper alloy foil.
By the way that copper foil or copper alloy foil is selected to be used as the collector of lithium ion battery negative material, to keep lithium ion battery
The good electrical property of negative plate.Copper alloy includes albronze, yellow gold etc..
According to the third aspect of the present invention, the present invention provides the preparation method of above-mentioned anode plate for lithium ionic cell, bags
Include following steps：
(a) lithium ion battery negative material provided by the invention is dispersed in water, lithium ion battery anode slurry is made；
(b) by lithium ion battery anode slurry coating on a current collector, then it is dried and roll-in, that is, lithium-ion electric is made
Pond negative plate.
The preparation method of anode plate for lithium ionic cell provided by the invention using cheap non-harmful water as solvent, is adopted
By the use of the adhesive including acroleic acid polymerization species adhesive as adhesive, reduce environmental pollution, saved the energy, while work
Skill is simple, easy to operate, can be suitable for industrialized production.
In the preferred embodiment of the present invention, in step (b), dry temperature is 70-130 DEG C.
In the typical but non-limiting embodiment of the present invention, dry temperature is 72,74,75,76,78,80,
82、84、85、86、88、90、92、94、95、96、 98、100、102、104、105、106、108、110、112、114、116、
118th, 120,122,124,125,126,128,130,132 or 134 DEG C.
In the preferred embodiment of the present invention, in step (b), sheared again after roll-in, needed for obtaining
The anode plate for lithium ionic cell of size.
According to the fourth aspect of the present invention, the present invention provides a kind of lithium ion battery, including above-mentioned lithium ion battery
Negative material or above-mentioned anode plate for lithium ionic cell.
Lithium ion battery provided by the invention is using lithium ion battery negative material provided by the invention as lithium-ion electric
Pond negative plate improves battery cryogenic property, extends cycle life of lithium ion battery.
Technical solution provided by the invention is further described with reference to embodiment and comparative example.
Embodiment 1
A kind of lithium ion battery is present embodiments provided, including based lithium-ion battery positive plate and anode plate for lithium ionic cell,
Its anode plate for lithium ionic cell is coated on copper foil by lithium ion battery negative material and is prepared, lithium ion battery negative material
It is prepared by the following raw material according to the mass fraction：Delanium 96.5%, carbomer Ultrez20：1%th, LA132：1%
With carbon black 1.5%.
The preparation process of anode plate for lithium ionic cell is as follows：
(a) lithium ion battery negative material is added to the water and be uniformly dispersed, lithium ion battery anode slurry is made；
(b) lithium ion battery anode slurry is coated on copper foil, then be dried, dry temperature is 85 DEG C, dry
It roll-in and cuts again afterwards, that is, lithium ion battery piece is made.
Battery core is made in anode plate for lithium ionic cell in a winding manner, finally battery core is placed in battery steel shell, is made
Lithium ion battery, wherein, based lithium-ion battery positive plate is coated on aluminium foil by lithium-ion electric cell positive material and is prepared, lithium
Ion battery positive electrode is prepared by the following raw material according to the mass fraction：Nickle cobalt lithium manganate：98%th, carbon black：0.4%th,
Carbon nanotubes：0.8%th, Vingon：0.8%.
Embodiment 2
A kind of lithium ion battery is present embodiments provided, including based lithium-ion battery positive plate and anode plate for lithium ionic cell,
Its anode plate for lithium ionic cell is coated on copper foil by lithium ion battery negative material and is prepared, lithium ion battery negative material
Including the following raw material according to the mass fraction：Silicon-carbon：96.5%th, carbomer ultrez20：1%th, carbomer EC-2：1.5%th, carbon
It is black：1%.
The preparation process of anode plate for lithium ionic cell is as follows：
(a) lithium ion battery negative material is added to the water and be uniformly dispersed, lithium ion battery anode slurry is made；
(b) lithium ion battery anode slurry is coated on copper foil, then be dried, dry temperature is 70 DEG C, dry
It roll-in and cuts again afterwards, that is, anode plate for lithium ionic cell is made.
Battery core is made in anode plate for lithium ionic cell in a winding manner, finally battery core is placed in battery steel shell, is made
Lithium ion battery, wherein the based lithium-ion battery positive plate is identical with embodiment 1.
Embodiment 3
A kind of lithium ion battery is present embodiments provided, including based lithium-ion battery positive plate and anode plate for lithium ionic cell,
Anode plate for lithium ionic cell is coated on copper foil by lithium ion battery negative material and is prepared, lithium ion battery negative material bag
Include the following raw material according to the mass fraction：Native graphite：96.5%th, carbomer TR-1：0.5%th, butadiene-styrene rubber：1%th, carboxymethyl
Sodium cellulosate：1% and carbon black 1%.
The preparation process of anode plate for lithium ionic cell is as follows：
(a) anode plate for lithium ionic cell is added to the water and be uniformly dispersed, lithium ion battery anode slurry is made；
(b) lithium ion battery anode slurry is coated on copper foil, then be dried, dry temperature is 130 DEG C, dry
It roll-in and cuts again afterwards, that is, anode plate for lithium ionic cell is made.
Battery core is made in anode plate for lithium ionic cell in a winding manner, finally battery core is placed in battery steel shell, is made
Lithium ion battery, wherein the based lithium-ion battery positive plate is identical with embodiment 1.
Embodiment 4
A kind of lithium ion battery is present embodiments provided, including based lithium-ion battery positive plate and anode plate for lithium ionic cell,
Anode plate for lithium ionic cell is coated on copper foil by lithium ion battery negative material and is prepared, lithium ion battery negative material
Including the following raw material according to the mass fraction：Native graphite：96.5%th, Carbopol 941：0.3%th, butadiene-styrene rubber：1%th,
LA132：1.2% and carbon black：1%.
The preparation process of anode plate for lithium ionic cell is as follows：
(a) lithium ion battery negative material is added to the water and be uniformly dispersed, lithium ion battery anode slurry is made；
(b) lithium ion battery anode slurry is coated on copper foil, then be dried, dry temperature is 105 DEG C, dry
It roll-in and cuts again afterwards, that is, anode plate for lithium ionic cell is made.
Battery core is made in anode plate for lithium ionic cell in a winding manner, finally battery core is placed in battery steel shell, is made
Lithium ion battery, wherein the based lithium-ion battery positive plate is identical with embodiment 1.
Embodiment 5
A kind of lithium ion battery is present embodiments provided, including based lithium-ion battery positive plate and anode plate for lithium ionic cell,
Anode plate for lithium ionic cell is coated on copper foil by lithium ion battery negative material and is prepared, lithium ion battery negative material
Including the following raw material according to the mass fraction：The sub- silicon of oxidation：96.5%th, Carbopol 941：0.3%th, butadiene-styrene rubber：1%th,
LA132:1.2%th, carbon black：1%.
The preparation process of anode plate for lithium ionic cell is as follows：
(a) lithium ion battery negative material is added to the water and be uniformly dispersed, lithium ion battery anode slurry is made；
(b) lithium ion battery anode slurry is coated on copper foil, then be dried, dry temperature is 95 DEG C, dry
It roll-in and cuts again afterwards, that is, anode plate for lithium ionic cell is made.
Battery core is made in anode plate for lithium ionic cell in a winding manner, finally battery core is placed in battery steel shell, is made
Lithium ion battery, wherein the based lithium-ion battery positive plate is identical with embodiment 1.
Comparative example 1
Present embodiments provide a kind of lithium ion battery, anode plate for lithium ionic cell and embodiment 1 difference lies in,
Used adhesive is sodium carboxymethylcellulose and butadiene-styrene rubber, and percentage of the two in lithium ion battery negative material
It is 1%.
The lithium ion battery that above-described embodiment 1-5 lithium ion batteries provided and comparative example 1 provide charge and discharge have been subjected to
Test, test condition are as follows：Constant-current constant-voltage charging：Blanking voltage 4.2V, charging current 2500mA, cut-off current 100mA, environment
Temperature：25℃；Constant-current discharge：Blanking voltage 3.0V, discharge current 2500mA, 25 DEG C of environment temperature；Battery capacity is big during cycling
In or equal to raw capacity 80%, test result is as shown in table 1：
1 lithium ion battery electrical performance data of table tests table
As can be seen from Table 1, embodiment 1-5 provide lithium ion battery charging capacity and discharge capacity with comparison
The lithium ion battery that example 1 provides is suitable, is not decreased obviously.
In addition, Fig. 1 is the charge-discharge performance test curve for the lithium ion battery that the embodiment of the present invention 1 provides；Fig. 2 is this hair
The charge-discharge performance test curve for the lithium ion battery that bright comparative example 1 provides；Embodiment 1 is can be seen that from Fig. 1 and Fig. 2 to provide
Lithium ion battery the electric performance test curve basic one of lithium ion battery that provides of electric performance test curve and comparative example 1
It causes, this also illustrates that lithium ion battery negative material provided by the invention uses the adhesive for including acroleic acid polymerization species adhesive
Instead of butadiene-styrene rubber and sodium carboxymethylcellulose as adhesive, the anode plate for lithium ionic cell being prepared has excellent performance, does not have
Ill effect is brought to battery.
Pass through the cycling longevity for the lithium ion battery that the lithium ion battery and comparative example 1 that provide above-described embodiment 1-5 provide
The test of life finds that lithium ion battery negative material provided by the invention uses the bonding for including acroleic acid polymerization species adhesive
Agent replaces butadiene-styrene rubber and sodium carboxymethylcellulose, and as adhesive, the cycle life of lithium ion battery significantly extends, this explanation
Adhesive is in the electrolytic solution without Swelling used by the anode plate for lithium ionic cell that 1-5 of the embodiment of the present invention is provided, lithium from
The adhesion strength of sub- cell negative electrode material and collector is high, and lithium ion battery has extended cycle life.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of lithium ion battery negative material, which is characterized in that described including negative electrode active material, adhesive and conductive agent
Adhesive includes acroleic acid polymerization species adhesive.
2. lithium ion battery negative material according to claim 1, which is characterized in that the acroleic acid polymerization species bonding
Agent includes carbomer 934, Acritamer 940, Carbopol, Carbomer981, carbomer934, carbomer 1382, carbomer TR-
1st, carbomer TR-2, carbomer ETD2001, carbomer ETD2050, carbomer Ultrez10, carbomer Ultrez20, carbomer
In Ulrez21, carbomer Aqua SF-1, carbomer Aqua CC, carbomer L10, carbomer EZ-4U and carbomer EC-2 extremely
Few one kind.
3. lithium ion battery negative material according to claim 1, which is characterized in that described adhesive further includes polytetrafluoro
Ethylene, Vingon, soluble poly tetrafluoroethene, butadiene-styrene rubber, hydroxypropyl methyl cellulose, methylcellulose, carboxymethyl
At least one of cellulose, polyvinyl alcohol, acrylonitrile copolymer, sodium alginate, chitosan and chitosan derivatives.
4. according to claim 1-3 any one of them lithium ion battery negative materials, which is characterized in that the negative electrode active material
Matter is selected from Delanium, native graphite, silicon-carbon, lithium titanate, graphene, Delanium, native graphite, silicon-carbon, lithium titanate, graphite
Alkene, tin-oxide, Sn-polymetallic orefield, kamash alloy, silicon-base alloy, germanium-base alloy, acieral, antimony-containing alloy, magnesium-based
At least one of alloy.
5. according to claim 1-3 any one of them lithium ion battery negative materials, which is characterized in that the conductive agent is selected from
At least one of graphite, carbon black, acetylene black, graphene, carbon fiber and carbon nanotubes.
6. according to claim 1-3 any one of them lithium ion battery negative materials, which is characterized in that adhesive is in lithium ion
Mass percent in negative material is 1.5-25%, and the acroleic acid polymerization species adhesive accounts for the quality percentage of adhesive
Than being not less than 1%.
7. a kind of anode plate for lithium ionic cell, which is characterized in that born including claim 1-6 any one of them lithium ion batteries
Pole material and collector, the lithium ion battery negative material is coated on the collector.
8. anode plate for lithium ionic cell according to claim 7, which is characterized in that the collector is copper foil or copper alloy
Paper tinsel.
9. the preparation method of the anode plate for lithium ionic cell according to claim 7 or 8, which is characterized in that including walking as follows
Suddenly：
(a) claim 1-6 any one of them lithium ion battery negative materials are dispersed in water, obtained lithium ion battery is born
Pole slurry；
(b) by lithium ion battery anode slurry coating on a current collector, then it is dried and roll-in, that is, lithium ion battery is made and bears
Pole piece.
It is 10. a kind of including described in claim 1-6 any one of them lithium ion battery negative material or claim 7 or 8
The lithium ion battery of anode plate for lithium ionic cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711326598.3A CN108063256A (en) | 2017-12-13 | 2017-12-13 | Lithium ion battery negative material, anode plate for lithium ionic cell and preparation method thereof and lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711326598.3A CN108063256A (en) | 2017-12-13 | 2017-12-13 | Lithium ion battery negative material, anode plate for lithium ionic cell and preparation method thereof and lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108063256A true CN108063256A (en) | 2018-05-22 |
Family
ID=62138398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711326598.3A Withdrawn CN108063256A (en) | 2017-12-13 | 2017-12-13 | Lithium ion battery negative material, anode plate for lithium ionic cell and preparation method thereof and lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108063256A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899576A (en) * | 2018-06-22 | 2018-11-27 | 安徽省力霸动力锂电池科技有限公司 | A kind of lithium ion battery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102569729A (en) * | 2012-01-09 | 2012-07-11 | 惠州市德赛锂电科技有限公司 | Process for forming of positive electrodes of lithium batteries |
| CN104813525A (en) * | 2012-10-26 | 2015-07-29 | 和光纯药工业株式会社 | Binder for lithium cell, composition for producing electrode, and electrode |
| CN104868156A (en) * | 2014-12-22 | 2015-08-26 | 上海恩捷新材料科技股份有限公司 | Lithium ion battery |
| CN106233514A (en) * | 2014-04-21 | 2016-12-14 | 和光纯药工业株式会社 | Adhesive for lithium battery |
-
2017
- 2017-12-13 CN CN201711326598.3A patent/CN108063256A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102569729A (en) * | 2012-01-09 | 2012-07-11 | 惠州市德赛锂电科技有限公司 | Process for forming of positive electrodes of lithium batteries |
| CN104813525A (en) * | 2012-10-26 | 2015-07-29 | 和光纯药工业株式会社 | Binder for lithium cell, composition for producing electrode, and electrode |
| CN106233514A (en) * | 2014-04-21 | 2016-12-14 | 和光纯药工业株式会社 | Adhesive for lithium battery |
| CN104868156A (en) * | 2014-12-22 | 2015-08-26 | 上海恩捷新材料科技股份有限公司 | Lithium ion battery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899576A (en) * | 2018-06-22 | 2018-11-27 | 安徽省力霸动力锂电池科技有限公司 | A kind of lithium ion battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102544502B (en) | Anode and cathode conductive additive for secondary lithium battery, method for preparing conductive additive, and method for preparing secondary lithium battery | |
| CN108807910A (en) | A kind of water system Zinc ion battery | |
| CN103396500A (en) | Natural polymer derivative-conducting polymer aqueous composite binder and application thereof | |
| CN106252659A (en) | Integrated flexible thin film lithium sulfur or lithium ion battery cell, battery and preparation method | |
| CN105470512A (en) | Preparation process for power lithium ion battery slurry | |
| CN104347880A (en) | Lithium ion battery capable of quick charging | |
| CN106025283B (en) | The aqueous adhesive of lignin-base for negative electrode of lithium ion battery and the electrode slice and lithium ion battery based on it | |
| CN108306006A (en) | Negative material, negative plate and preparation method thereof, lithium ion battery and preparation method thereof | |
| CN106159197A (en) | A kind of integrated flexible membrane electrode and preparation method thereof | |
| CN109768282B (en) | Water-based composite adhesive and application thereof | |
| CN110224131A (en) | A kind of lithium ion battery and preparation method thereof | |
| CN110573544A (en) | Composite binder for lithium ion battery and preparation method thereof | |
| WO2019128643A1 (en) | Solid electrolyte and preparation method therefor, and all-solid battery | |
| CN108172837A (en) | Lithium ion battery negative material, anode plate for lithium ionic cell and preparation method thereof and lithium ion battery | |
| CN110336037B (en) | Water-based binder for lithium ion battery cathode material and preparation method thereof | |
| CN108306015A (en) | Ternary active material, positive electrode, positive plate and preparation method thereof, lithium ion battery and preparation method thereof | |
| CN104103848A (en) | Lithium manganate and nickel cobalt lithium manganate power battery and manufacturing method thereof | |
| CN108134056A (en) | A kind of composite cathode material for lithium ion cell and preparation method thereof | |
| CN109659562A (en) | Binder, electrode slice and lithium ion battery for lithium ion battery | |
| CN110993930B (en) | Preparation method of graphene-coated nano-silicon composite material and application of graphene-coated nano-silicon composite material as negative electrode material of lithium ion battery | |
| CN109860597A (en) | A kind of aqueous compound binding agent of lithium ion battery | |
| CN109599550A (en) | A kind of manufacture craft of all-solid lithium-ion battery | |
| CN109473661A (en) | Lithium ion battery anode glue size and preparation method thereof | |
| CN109659492A (en) | A kind of anode plate for lithium ionic cell and preparation method thereof and lithium ion battery | |
| CN113285050A (en) | Li-M-X-based solid lithium battery anode and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180522 |