CN103594698A - Lithium ion battery with good cycling performance and large specific volume - Google Patents
Lithium ion battery with good cycling performance and large specific volume Download PDFInfo
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- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
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- 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
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- 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
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- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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- 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
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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- 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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Abstract
The invention discloses a lithium ion battery with good cycling performance and large specific volume. The lithium ion battery comprises a positive pole chip, a negative pole chip, and a diaphragm and electrolyte arranged between the positive pole chip and the negative pole chip, wherein the negative pole is made of a modified needle coke material; the positive pole is made of a lithium-enriched manganese base positive pole material. The positive pole material prepared by the invention adopts a lithium-enriched cobalt lithium manganate material coated with aluminum oxide as a positive pole active material, and has the advantages of higher energy density, excellent cycling stability and long service life; the adopted negative pole material has the advantages of high energy density and lower cost; the service life of the battery is long.
Description
Technical field
The present invention relates to battery, be specifically related to the large lithium ion battery of a kind of good cycle specific volume.
Background technology
Lithium ion battery has advantages of that voltage is high, volume is little, quality is light, specific energy is high, memory-less effect, pollution-free, self discharge is little, the life-span is long, be widely used in walkie electronic apparatus power supply, as digital electrical apparatus battery, traditional application such as battery of mobile phone.Lithium ion battery mainly consists of positive pole, negative pole, barrier film and electrolyte, can the negative material that wherein prepare that energy density is high, power density is high, have extended cycle life, cost is low be one of branch that this research direction is most active, also be that can restriction lithium ion battery continue to the decisive factor of the high-tech area development such as hybrid vehicle, space flight and aviation, and the lithium ion battery of being used widely at present, during its positive electrode is just experiencing constantly renewal and is improveing.Along with scientific and technological development, the digital product of various employing lithium ion batteries upgrades that updating speed is very fast, and product is mostly tending towards portability, economization, and this just requires the lithium ion battery product will be to high-energy-density, low-cost future development.
Summary of the invention
The object of the invention is the defect for above-mentioned prior art, provide a kind of good cycle specific volume large lithium ion battery, there is specific volume large, the advantage of good cycle.
Object of the present invention can be achieved through the following technical solutions:
The lithium ion battery that good cycle specific volume is large, comprises positive plate, negative plate and is placed in barrier film and the electrolyte between positive and negative plate, and the material that described negative pole adopts is that modified acicular is burnt, and what described positive pole adopted is lithium-rich manganese-based anode material.
The preparation method of described lithium-rich manganese-based anode material comprises the following steps:
A, take graphite as to electrode, take titanium sheet as substrate and work electrode, adopt electrodeposition process in substrate, to deposit cobalt oxide manganese, electric depositing solution comprises that concentration is the cobalt chloride of 0.3～0.6mol/L, concentration is the manganese nitrate of 0.3～0.6mol/L, the cobalt oxide manganese obtaining and lithium chloride is mixed soluble in water, make the concentration of cobalt oxide manganese and solubility lithium salts be respectively 15～30g/L and 50～80g/L, be heated to 260～320 ℃, constant temperature 4～6h, collecting precipitation, clean, dry, obtain cobalt manganic acid lithium powder, the cobalt manganic acid lithium powder obtaining and lithium chloride is mixed soluble in water, make the concentration of cobalt manganic acid lithium and lithium chloride be respectively 10～15g/L and 40～60g/L, be heated to 260～320 ℃, constant temperature 2～5h, collecting precipitation, clean, dry, obtain rich lithium cobalt manganic acid lithium nanometer powder,
B, rich lithium cobalt manganic acid lithium nanometer powder obtained in the previous step is joined in the aqueous solution of aluminium chloride, under stirring, in the described aqueous solution, drip the KOH liquid that molar concentration is 2～3mol/L, the pH value of the aqueous solution is controlled to 10～12, complete to guarantee metal precipitated cationic, after standing 3～5h, collecting precipitation, washing, 120～135 ℃ of dry 5～7h, obtain the coated rich lithium cobalt lithium manganate material of aluminium hydroxide;
C, by the coated rich lithium cobalt lithium manganate material of the aluminium hydroxide of gained, be incubated 10～30 minutes be warming up to 570～720 ℃ with the heating rate of 1～2 ℃/min under pure oxygen atmosphere after, obtain the rich lithium cobalt lithium manganate material of alumina-coated;
D, by following mass percent batching: the rich lithium cobalt lithium manganate material 75～85% of above-mentioned alumina-coated, conductive black 5～15%, Kynoar 2～6%, dipropyl carbonate 3～7%, surfactant 5～10%, batching is dissolved in 1-METHYLPYRROLIDONE amine, and batching is 1:1 with the weight ratio of 1-METHYLPYRROLIDONE amine, obtains positive electrode.
The preparation of negative material comprises the steps:
A, coal measures or petroleum needle coke are crushed to the powder needle coke that particle diameter is 3～6 μ m, described powder needle coke is carried out to deliming 1～4 hour in 400～600 ℃ in strong base solution, in acid solution, carry out again pickling, then wash and be dried, described powder needle coke and catalyst mix is even, 700～950 ℃ of charings 1～4 hour, under 1000～1900 ℃ of inert gases, catalyzed graphitization was 1～4 hour, obtains modified acicular Jiao;
B, described modified acicular Jiao is carried out to pickling in acid solution, then wash and be dried, under the atmosphere of reducibility gas, in 400～600 ℃, described modified acicular Jiao is carried out to surface reduction and process 1～4 hour;
C, employing chemical vapour deposition technique, carry out coating to described modified acicular Jiao, makes the coated last layer carbon in its surface, makes lithium ion battery negative material.
Described highly basic is one or more the mixing in potassium hydroxide, NaOH.
Described inert gas is one or more mixing in nitrogen, helium, argon gas, neon or carbon dioxide.
Described catalyzed graphitization catalyst used is one or more in phosphorus-containing compound, boron, boron-containing compound, iron, vanadium, nickel, zirconium, titanium, ferriferous oxide, barium oxide, nickel oxide, Zirconium oxide, titanium oxide.
Described acid solution is one or more mixing in hydrochloric acid, sulfuric acid, nitric acid.
The depositing temperature of described chemical vapour deposition technique is 600～900 ℃, and deposition carbon source is one or more mixing in glucose, ethene, methane.
Beneficial effect of the present invention: lithium ion battery lithium-rich manganese-based anode material prepared by the present invention, adopted the rich lithium cobalt lithium manganate material of alumina-coated as positive active material, when thering is higher energy density, the generation of positive electrode phase transformation and the loss by dissolution of important meals have been suppressed, there is good cyclical stability, during for lithium ion battery, specific capacity is high, good cycle, long service life, the negative material adopting is high-energy-density not only, and material cost is lower, and battery life is long.
Embodiment
Below by embodiment, the present invention is described in detail.
Lithium-rich manganese-based anode material is prepared according to following steps:
The first step, take titanium sheet as substrate and work electrode, take graphite as to electrode, adopt electrodeposition process in substrate, to deposit cobalt oxide manganese, electric depositing solution comprises that concentration is the cobalt chloride of 0.4mol/L, the manganese nitrate that concentration is 0.4mol/L.The cobalt oxide manganese obtaining and lithium chloride is mixed soluble in water, make the concentration of cobalt oxide manganese and solubility lithium salts be respectively 15g/L and 50g/L, be heated to 300 ℃, constant temperature 5h, centrifugal, cleaning, dry, obtain cobalt manganic acid lithium powder.The cobalt manganic acid lithium powder obtaining and lithium chloride is mixed soluble in water, make the concentration of cobalt manganic acid lithium and lithium chloride be respectively 10g/L and 40g/L, be heated to 300 ℃, constant temperature 3h, centrifugal, cleaning, dry, obtain rich lithium cobalt manganic acid lithium nanometer powder.
Second step, rich lithium cobalt manganic acid lithium nanometer powder is joined in the aqueous solution of aluminium chloride, under stirring, in the described aqueous solution, drip the KOH solution that molar concentration is 2mol/L, the pH value of the aqueous solution is controlled to 11, complete to guarantee metal precipitated cationic, after standing 4h, suction filtration, wash three times, 130 ℃ dry 6h, obtain the coated rich lithium cobalt lithium manganate material of aluminium hydroxide.
The 3rd step, by the coated rich lithium cobalt lithium manganate material of the aluminium hydroxide of gained, be incubated 20 minutes be warming up to 700 ℃ with the heating rate of 2 ℃/min under pure oxygen atmosphere after, obtain the rich lithium cobalt lithium manganate material of alumina-coated.
The 4th step, by following mass percent batching: the rich lithium cobalt lithium manganate material 80% of above-mentioned alumina-coated, conductive black 8%, Kynoar 3%, dipropyl carbonate 4%, polyoxyethylene 20 sorbitan trioleate 5%; Above-mentioned batching is dissolved in 1-METHYLPYRROLIDONE amine, and batching is 1:1 with the weight ratio of 1-METHYLPYRROLIDONE amine, obtains positive electrode.
Negative pole is that the burnt material of modified acicular is prepared according to following steps:
The first step, coal measures or petroleum needle coke are crushed to the powder needle coke that particle diameter is 4 μ m, described powder needle coke is carried out to deliming 3 hours in 500 ℃ in sodium hydroxide solution, the nitric acid that is 40% by concentration carries out pickling 2 hours at 25 ℃, then at 100 ℃, be dried 2 hours, described powder needle coke and catalyst mix is even, 850 ℃ of charings 3 hours, under 1700 ℃ of nitrogen, catalyzed graphitization was 2 hours, obtains modified acicular Jiao;
Second step, the nitric acid that is 40% in concentration by described modified acicular Jiao carry out pickling 2 hours at 25 ℃, then at 100 ℃, are dried 2 hours, under the atmosphere of hydrogen, in 500 ℃, described modified acicular Jiao are carried out to surface reduction and process 3 hours;
The 3rd step, again previous step gained material is placed in to chemical vapor deposition stove, with glucose, makes carbon source, at 600 ℃, deposit 2 hours, described modified acicular Jiao is carried out to coating, make the coated last layer carbon in its surface, make lithium ion battery negative material.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technology people of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (8)
1. the lithium ion battery that good cycle specific volume is large, comprise positive plate, negative plate and be placed in barrier film and the electrolyte between positive and negative plate, it is characterized in that: the material that described negative pole adopts is that modified acicular is burnt, and what described positive pole adopted is lithium-rich manganese-based anode material.
2. the large lithium ion battery of a kind of good cycle specific volume according to claim 1, is characterized in that, the preparation method of described lithium-rich manganese-based anode material comprises the following steps:
A, take graphite as to electrode, take titanium sheet as substrate and work electrode, adopt electrodeposition process in substrate, to deposit cobalt oxide manganese, electric depositing solution comprises that concentration is the cobalt chloride of 0.3～0.6mol/L, concentration is the manganese nitrate of 0.3～0.6mol/L, the cobalt oxide manganese obtaining and lithium chloride is mixed soluble in water, make the concentration of cobalt oxide manganese and solubility lithium salts be respectively 15～30g/L and 50～80g/L, be heated to 260～320 ℃, constant temperature 4～6h, collecting precipitation, clean, dry, obtain cobalt manganic acid lithium powder, the cobalt manganic acid lithium powder obtaining and lithium chloride is mixed soluble in water, make the concentration of cobalt manganic acid lithium and lithium chloride be respectively 10～15g/L and 40～60g/L, be heated to 260～320 ℃, constant temperature 2～5h, collecting precipitation, clean, dry, obtain rich lithium cobalt manganic acid lithium nanometer powder,
B, rich lithium cobalt manganic acid lithium nanometer powder obtained in the previous step is joined in the aqueous solution of aluminium chloride, under stirring, in the described aqueous solution, drip the KOH liquid that molar concentration is 2～3mol/L, the pH value of the aqueous solution is controlled to 10～12, complete to guarantee metal precipitated cationic, after standing 3～5h, collecting precipitation, washing, 120～135 ℃ of dry 5～7h, obtain the coated rich lithium cobalt lithium manganate material of aluminium hydroxide;
C, by the coated rich lithium cobalt lithium manganate material of the aluminium hydroxide of gained, be incubated 10～30 minutes be warming up to 570～720 ℃ with the heating rate of 1～2 ℃/min under pure oxygen atmosphere after, obtain the rich lithium cobalt lithium manganate material of alumina-coated;
D, by following mass percent batching: the rich lithium cobalt lithium manganate material 75～85% of above-mentioned alumina-coated, conductive black 5～15%, Kynoar 2～6%, dipropyl carbonate 3～7%, surfactant 5～10%, batching is dissolved in 1-METHYLPYRROLIDONE amine, and batching is 1:1 with the weight ratio of 1-METHYLPYRROLIDONE amine, obtains positive electrode.
3. the large lithium ion battery of a kind of good cycle specific volume according to claim 1, is characterized in that, the preparation of negative material comprises the steps:
A, coal measures or petroleum needle coke are crushed to the powder needle coke that particle diameter is 3～6 μ m, described powder needle coke is carried out to deliming 1～4 hour in 400～600 ℃ in strong base solution, in acid solution, carry out again pickling, then wash and be dried, described powder needle coke and catalyst mix is even, 700～950 ℃ of charings 1～4 hour, under 1000～1900 ℃ of inert gases, catalyzed graphitization was 1～4 hour, obtains modified acicular Jiao;
B, described modified acicular Jiao is carried out to pickling in acid solution, then wash and be dried, under the atmosphere of reducibility gas, in 400～600 ℃, described modified acicular Jiao is carried out to surface reduction and process 1～4 hour;
C, employing chemical vapour deposition technique, carry out coating to described modified acicular Jiao, makes the coated last layer carbon in its surface, makes lithium ion battery negative material.
4. the large lithium ion battery of a kind of good cycle specific volume according to claim 3, is characterized in that: described highly basic is one or more the mixing in potassium hydroxide, NaOH.
5. the large lithium ion battery of a kind of good cycle specific volume according to claim 3, is characterized in that: described inert gas is one or more mixing in nitrogen, helium, argon gas, neon or carbon dioxide.
6. the large lithium ion battery of a kind of good cycle specific volume according to claim 3, is characterized in that: described catalyzed graphitization catalyst used is one or more in phosphorus-containing compound, boron, boron-containing compound, iron, vanadium, nickel, zirconium, titanium, ferriferous oxide, barium oxide, nickel oxide, Zirconium oxide, titanium oxide.
7. the large lithium ion battery of a kind of good cycle specific volume according to claim 3, is characterized in that: described acid solution is one or more mixing in hydrochloric acid, sulfuric acid, nitric acid.
8. the large lithium ion battery of a kind of good cycle specific volume according to claim 3, is characterized in that: the depositing temperature of described chemical vapour deposition technique is 600～900 ℃, and deposition carbon source is one or more mixing in glucose, ethene, methane.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115715A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of zinc-coated cobalt oxide |
| CN111115696A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of vanadium-coated cobalt oxide |
| CN111115695A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of samarium-coated cobalt oxide |
| CN111115707A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of aluminum-coated cobalt oxide |
| CN111115705A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of cobalt oxide coated with zirconium |
| CN111115698A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of manganese-coated cobalt oxide |
| CN111129444A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of nickel-coated cobalt oxide |
| CN111115699A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of magnesium-coated cobalt oxide |
| CN111115697A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of titanium-coated cobalt oxide |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101087021A (en) * | 2007-07-18 | 2007-12-12 | 深圳市贝特瑞新能源材料股份有限公司 | Man-made graphite cathode material for lithium ion battery and its making method |
| CN101924209A (en) * | 2009-06-16 | 2010-12-22 | 上海宝钢化工有限公司 | Lithium ion battery cathode material and preparation method thereof |
| CN102208633A (en) * | 2011-04-28 | 2011-10-05 | 侯春平 | Modified carbon micro powder lithium ion battery cathode material and preparation method thereof and lithium ion battery |
| CN102916172A (en) * | 2012-10-17 | 2013-02-06 | 上海锦众信息科技有限公司 | Preparation method of lithium-enriched magnesium-based anode material of lithium ion battery |
-
2013
- 2013-11-15 CN CN201310573919.5A patent/CN103594698A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101087021A (en) * | 2007-07-18 | 2007-12-12 | 深圳市贝特瑞新能源材料股份有限公司 | Man-made graphite cathode material for lithium ion battery and its making method |
| CN101924209A (en) * | 2009-06-16 | 2010-12-22 | 上海宝钢化工有限公司 | Lithium ion battery cathode material and preparation method thereof |
| CN102208633A (en) * | 2011-04-28 | 2011-10-05 | 侯春平 | Modified carbon micro powder lithium ion battery cathode material and preparation method thereof and lithium ion battery |
| CN102916172A (en) * | 2012-10-17 | 2013-02-06 | 上海锦众信息科技有限公司 | Preparation method of lithium-enriched magnesium-based anode material of lithium ion battery |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115715A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of zinc-coated cobalt oxide |
| CN111115696A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of vanadium-coated cobalt oxide |
| CN111115695A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of samarium-coated cobalt oxide |
| CN111115707A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of aluminum-coated cobalt oxide |
| CN111115705A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of cobalt oxide coated with zirconium |
| CN111115698A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of manganese-coated cobalt oxide |
| CN111129444A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of nickel-coated cobalt oxide |
| CN111115699A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of magnesium-coated cobalt oxide |
| CN111115697A (en) * | 2018-10-31 | 2020-05-08 | 格林美（江苏）钴业股份有限公司 | Preparation method of titanium-coated cobalt oxide |
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