CN105552370A - Spherical cathode material for lithium-ion secondary battery and preparation method of spherical cathode material - Google Patents
Spherical cathode material for lithium-ion secondary battery and preparation method of spherical cathode material Download PDFInfo
- Publication number
- CN105552370A CN105552370A CN201610098941.2A CN201610098941A CN105552370A CN 105552370 A CN105552370 A CN 105552370A CN 201610098941 A CN201610098941 A CN 201610098941A CN 105552370 A CN105552370 A CN 105552370A
- Authority
- CN
- China
- Prior art keywords
- lithium
- ion secondary
- secondary battery
- compound
- spherical
- 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.)
- Granted
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
- H01M4/36—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
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
-
- 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
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1397—Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to a spherical cathode material for a lithium-ion secondary battery and a preparation method of the spherical cathode material. The chemical composition of the spherical cathode material for the lithium-ion secondary battery is LiFe<x>Mn<1-x>PO<4>, x=0-1; the spherical structure is one of a solid sphere, a hollow sphere or a porous sphere; and the diameter is 5nm to 50 microns. The cathode material with a controllable spherical structure for the lithium-ion secondary battery is prepared by carrying out atomizing freeze-drying or atomizing heat-drying on a solution prepared from a lithium compound, an iron compound, a manganese compound, a phosphorus compound, a complexing agent and a carbon source and then carrying out high-temperature pyrolysis reaction. The preparation method provided by the invention can greatly shorten the sintering time of the cathode material for the lithium-ion secondary battery and avoids rapid growth of cathode material crystal for the lithium-ion secondary battery, so that the rapid charge-discharge performance of the cathode material for the lithium-ion secondary battery is improved. The cathode material for the lithium-ion secondary battery with the spherical structure is beneficial to subsequent preparation of a lithium-ion secondary all-battery, is also beneficial to full contact of the cathode material for the lithium-ion secondary battery and an electrolyte, shortens a diffusion path of lithium ions, and can improve the electrochemical properties of the cathode material for the lithium-ion secondary battery.
Description
Technical field
The present invention relates to spherical (medicine ball, hollow ball, porous ball) lithium ion secondary battery anode material [LiFe
xmn
1-xpO
4, (x=1)] and be the lithium rechargeable battery manufacturing technology field of positive electrode, particularly a kind of spherical lithium ion secondary battery positive electrode [LiFe with special appearance
xmn
1-xpO
4, (x=1)] and preparation method thereof.
Background technology
LiFe
xmn
1-xpO
4it is one of first-selected positive electrode of power lithium-ion rechargeable battery, vigorously promoted the use by various countries in recent years, there is lot of advantages, as: there is very high discharge voltage, fast charging and discharging performance, high security, have extended cycle life, pollution-free, high-energy-density, memory-less effect.But affect LiFe
xmn
1-xpO
4move towards the poorly conductive that practical shortcoming is it, be not suitable for high current charge-discharge.Current having improved one's methods two kinds: one is improve its electron conduction; Two is accelerate lithium ion diffusion rate.And by LiFe
xmn
1-xpO
4positive electrode is prepared into special spherical structure, and the research as medicine ball, hollow ball and porous spherical is little.
Spherical LiFe
xmn
1-xpO
4material is conducive to the preparation of the full battery of follow-up lithium ion secondary, also fully contacting of lithium ion secondary battery anode material and electrolyte is conducive to, shorten the evolving path of lithium ion, the time decreasing Lithium-ion embeding He deviate from, the chemical property of lithium ion secondary battery anode material can be improved.
LiFe
xmn
1-xpO
4the preparation of positive electrode is generally that raw material obtains through high temperature sintering.Existing preparation LiFe
xmn
1-xpO
4the method of positive electrode has a lot, and as solid-phase ball milling method, coprecipitation, Sol-Gel method etc., but these methods are all difficult to obtain special spherical LiFe
xmn
1-xpO
4positive electrode.
Summary of the invention
The object of the invention is to provide spherical (medicine ball, hollow ball, porous ball) lithium ion secondary battery anode material [LiFe
xmn
1-xpO
4, (x=1)] and preparation method, by preparing spherical (medicine ball, hollow ball, porous ball) lithium ion secondary battery anode material [LiFe
xmn
1-xpO
4, (x=1)], improve the chemical property of lithium rechargeable battery in charge and discharge process.
The technical solution used in the present invention is as follows:
Spherical lithium ion secondary battery positive electrode, the chemical composition of this spherical lithium ion secondary battery positive electrode is: LiFe
xmn
1-xpO
4, x=0 ~ 1, spherical structure is the one in medicine ball, hollow ball or porous ball, and diameter is 5nm ~ 50 μm.Preferably, hollow ball wall thickness is 1nm ~ 1 μm.
A preparation method for spherical lithium ion secondary battery positive electrode, it comprises the following steps:
1) by after lithium compound, iron compound, manganese compound, phosphorus compound, complexing agent and carbon source in proportion wiring solution-forming, through atomization, freeze drying or heat drying, collect and obtain powder;
2) by step 1) obtained powder carries out high-temperature quick solution, namely obtains pure phase spherical lithium ion secondary battery positive electrode.
Step 1) described in Li, the Fe in iron compound in lithium compound, the Mn in manganese compound, P, complexing agent and carbon source in phosphorus compound mol ratio be 1: x: 1-x: 1: (1.00 ~ 4.00): (0.01 ~ 1.00), (x=0 ~ 1).
Preferably, step 2) described in freeze drying temperature be-196 DEG C, heat drying is 350 DEG C, step 2) in pyrolysis temperature be 600 ~ 750 DEG C, pyrolysis time is 5 minutes.
Preferred further, described lithium compound is the one or more combination in lithium hydroxide, lithium acetate, lithium carbonate, lithium fluoride, lithium nitrate, lithium dihydrogen phosphate; Described iron compound is the one or more combination in di-iron trioxide, ferric nitrate, iron hydroxide, iron chloride, ferric sulfate, ferric phosphate, ferrous acetate, ferrous oxide, ferrous oxalate, ferrous sulfate; Described manganese compound is the one or more combination in manganese sesquioxide managnic oxide, manganese dioxide, manganous oxide, manganese nitrate, manganese phosphate, manganous hydroxide, manganese chloride, manganese sulfate, manganese acetate, manganese oxalate; Described phosphorus compound is the one or more combination in phosphoric acid, ammonium dihydrogen phosphate, diammonium hydrogen phosphate, phosphorus pentoxide, manganese phosphate, ferric phosphate, ammonium phosphate, lithium dihydrogen phosphate; Described complexing agent is the one or more combination in sulfuric acid, nitric acid, phosphoric acid, oxalic acid, acetic acid; Described carbon source is the one or more combination in graphite microparticles, organic pyrolytic carbon, conductive carbon black, carbon nano-tube, carbon fiber, carbon cloth, carbon nanopowder, Graphene, fructose, sucrose, glucose, maltose, lactose, galactolipin, ribose, polysaccharide; Described solvent is the one or more combination in water, alkane, alcohol, ether, ketone, ester, aromatic hydrocarbon.
Described spherical (medicine ball, hollow ball, porous ball) lithium ion secondary battery anode material [LiFe
xmn
1-xpO
4, (x=0 ~ 1)] apply as lithium ion secondary battery anode material.
Technological merit of the present invention is: the present invention by lithium compound, iron compound and or the solution that is made into of manganese compound, phosphorus compound, complexing agent and carbon source carry out atomization drying high temperature pyrolysis, obtain [the LiFe with spherical structure (medicine ball, hollow ball, porous ball) of morphology controllable
xmn
1-xpO
4, (x=0 ~ 1)] and positive electrode.By high-temperature quick solution, suppress the fast growth of lithium ion secondary battery anode material crystal, thus improve the fast charging and discharging performance of lithium ion secondary battery anode material.And this structure can be conducive to [LiFe
xmn
1-xpO
4, (x=0 ~ 1)] and positive electrode fully contacts with electrolyte, and shorten the diffusion path of lithium ion, can [LiFe be improved
xmn
1-xpO
4, (x=0 ~ 1)] and the chemical property of positive electrode.
Accompanying drawing explanation
Fig. 1 is [LiFe
xmn
1-xpO
4, (x=1)] XRD diffracting spectrum.
Fig. 2 is [LiFe
xmn
1-xpO
4, (x=1)] and the SEM photo of medicine ball.
Fig. 3 is [LiFe
xmn
1-xpO
4, (x=1)] and the SEM photo of porous ball.
Fig. 4 is [LiFe
xmn
1-xpO
4, (x=1)] and the SEM photo of hollow ball.
Fig. 5 is [LiFe
xmn
1-xpO
4, (x=1)] and discharge capacity curve under hollow ball different multiplying (0.1C, 0.5C, 1C, 5C, 10C, 20C).
Fig. 6 is [LiFe
xmn
1-xpO
4, (x=1)] and discharge capacity under hollow ball different multiplying (0.1C, 0.5C, 1C, 5C, 10C, 20C) and cycle life performance curve.
Fig. 7 is [LiFe
xmn
1-xpO
4, (x=0)] XRD diffracting spectrum.
Fig. 8 is [LiFe
xmn
1-xpO
4, (x=0)] and the SEM photo of hollow ball.
Fig. 9 is [LiFe
xmn
1-xpO
4, (x=0)] and discharge capacity curve under hollow ball different multiplying (0.05C, 0.1C, 0.2C, 0.5C, 1C, 2C, 5C).
Figure 10 is [LiFe
xmn
1-xpO
4, (x=0)] and discharge capacity under hollow ball different multiplying (0.05C, 0.1C, 0.2C, 0.5C, 1C, 2C) and cycle life performance curve.
Figure 11 is [LiFe
xmn
1-xpO
4, (x=0)] and cycle life performance curve under hollow ball 1C multiplying power.
Figure 12 is [LiFe
xmn
1-xpO
4, (x=0.5)] and the SEM photo of medicine ball.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
The present invention by lithium compound, iron compound, manganese compound, phosphorus compound, complexing agent and carbon source with after certain proportion wiring solution-forming, through atomization drying (freeze drying or heat drying) high temperature pyrolysis, spherical (medicine ball, hollow ball, porous ball) lithium ion secondary battery anode material [LiFe directly can be obtained
xmn
1-xpO
4, (x=0 ~ 1)].By high-temperature quick solution, suppress the fast growth of lithium ion secondary battery anode material crystal, thus improve the fast charging and discharging performance of lithium ion secondary battery anode material.Spherical (medicine ball, hollow ball, porous ball) lithium ion secondary battery anode material [LiFe can be prepared fast by the method
xmn
1-xpO
4, (x=0 ~ 1)], and spherical (medicine ball, hollow ball, the porous ball) lithium ion secondary battery anode material [LiFe obtained
xmn
1-xpO
4, (x=0 ~ 1)] diameter footpath and hollow ball wall thickness can be adjustable in very large scope, diameter is adjustable to 10 μm from 5nm, and wall thickness is adjustable to 1 μm from 1nm.
Embodiment 1
1. raw material takes: take 2.4g lithium hydroxide, 8.6g ferric phosphate, 3.2g glucose and 19.2g oxalic acid respectively, measure 500mL deionized water.
2. mix: the raw material taken above and deionized water are mixed, heating stirring and dissolving.
3. be atomized: above solution is poured in atomizer, atomization, form droplet, then droplet is incorporated into low-temperature space in freeze drier (-196 DEG C), obtains pressed powder.
4. dry: pressed powder is dry by freeze drier, by gained powder by fast pyrogenation in high temperature furnace, pyrolysis temperature is 750 DEG C, and pyrolysis time is 5 minutes, by gained [LiFe after pyrolysis
xmn
1-xpO
4, (x=1)] and powder collection is for subsequent use.Its XRD diffracting spectrum is shown in Fig. 1, and SEM photo as shown in Figure 2.
Embodiment 2
1. raw material takes: take 3.9g lithium nitrate, 8.6g ferric phosphate, 3.2g glucose and 19.2g oxalic acid respectively, measure 1000mL deionized water.
2. mix: the raw material taken above and deionized water are mixed, heating stirring and dissolving.
3. be atomized: above solution is poured in atomizer, atomization, form droplet, then droplet is incorporated into low-temperature space in freeze drier (-196 DEG C), obtains pressed powder.
4. dry: pressed powder is dry by freeze drier, by gained powder by fast pyrogenation in high temperature furnace, pyrolysis temperature is 750 DEG C, and pyrolysis time is 5 minutes, by gained [LiFe after pyrolysis
xmn
1-xpO
4, (x=1)] and powder collection is for subsequent use.Its SEM photo as shown in Figure 3.
Embodiment 3
1. raw material takes: take 4.2g lithium carbonate, 8.6g ferric phosphate, 3.2g glucose and 19.2g oxalic acid respectively, measure 1000ml deionized water.
2. mix: the raw material taken above and deionized water are mixed, heating stirring and dissolving.
3. be atomized: above solution is poured in atomizer, atomization, form droplet.
4. dry: then droplet is incorporated into (350 DEG C) in hot-blast stove dry, obtains pressed powder, gained pressed powder is passed through fast pyrogenation in high temperature furnace, pyrolysis temperature is 750 DEG C, and pyrolysis time is 5 minutes, by gained [LiFe after pyrolysis thereupon
xmn
1-xpO
4, (x=1)] and powder collection is for subsequent use.As shown in Figure 4, as shown in Figure 5, the discharge capacity under different multiplying and cycle life performance are as shown in Figure 6 for the discharge capacity measured under different multiplying for its TEM photo.
Embodiment 4
1. raw material takes: take 5.9g lithium dihydrogen phosphate, 9.9g manganese acetate, 6.1g sucrose and 19.2g oxalic acid respectively, measure 500mL deionized water.
2. mix: the raw material taken above and deionized water are mixed, heating stirring and dissolving.
3. be atomized: above solution is poured in atomizer, atomization, form droplet, then droplet is incorporated into low-temperature space in freeze drier (-196 DEG C), obtains pressed powder.
4. dry: pressed powder is dry by freeze drier, by gained powder by fast pyrogenation in high temperature furnace, pyrolysis temperature is 600 DEG C, and pyrolysis time is 5 minutes, by gained [LiFe after pyrolysis
xmn
1-xpO
4, (x=0)] and powder collection is for subsequent use.Its XRD diffracting spectrum is shown in Fig. 7, and as shown in Figure 8, as shown in Figure 9, as shown in Figure 10, under 1C multiplying power, cycle performance curve as shown in Figure 11 for the discharge capacity under different multiplying and cycle life performance for the discharge capacity measured under different multiplying for TEM photo.
Embodiment 5
1. raw material takes: take 2.4g lithium hydroxide, 4.3g ferric phosphate, 5.0g manganese acetate, 2.8g phosphoric acid, 6.1g sucrose and 19.2g oxalic acid respectively, measure 500mL deionized water.
2. mix: the raw material taken above and deionized water are mixed, heating stirring and dissolving.
3. be atomized: above solution is poured in atomizer, atomization, form droplet, then droplet is incorporated into low-temperature space in freeze drier (-196 DEG C), obtains pressed powder.
4. dry: pressed powder is dry by freeze drier, by gained powder by fast pyrogenation in high temperature furnace, pyrolysis temperature is 750 DEG C, and pyrolysis time is 5 minutes, by gained [LiFe after pyrolysis
xmn
1-xpO
4, (x=0.5)] and powder collection is for subsequent use.Its SEM photo as shown in Figure 12.
Claims (9)
1. spherical lithium ion secondary battery positive electrode, is characterized in that: the chemical composition of this spherical lithium ion secondary battery positive electrode is: LiFe
xmn
1-xpO
4, x=0 ~ 1, spherical structure is the one in medicine ball, hollow ball or porous ball, and diameter is 5nm ~ 50 μm.
2. spherical lithium ion secondary battery positive electrode according to claim 1, is characterized in that: hollow ball wall thickness is 1nm ~ 1 μm.
3. prepare a method for spherical lithium ion secondary battery positive electrode as claimed in claim 1 or 2, it is characterized in that: comprise the following steps:
1) by after lithium compound, iron compound, manganese compound, phosphorus compound, complexing agent, carbon source in proportion wiring solution-forming, through atomization, freeze drying or heat drying, collect and obtain powder;
2) by step 1) obtained powder carries out high-temperature quick solution, namely obtains pure phase spherical lithium ion secondary battery positive electrode.
4. the preparation method of spherical lithium ion secondary battery positive electrode according to claim 3, it is characterized in that: step 1) described in Li, the Fe in iron compound in lithium compound, the Mn in manganese compound, P, complexing agent and carbon source in phosphorus compound mol ratio be 1: x: (1-x): 1: (1.00 ~ 4.00): (0.01 ~ 1.00), x=0 ~ 1.
5. the preparation method of spherical lithium ion secondary battery positive electrode according to claim 3, is characterized in that: step 2) described in freeze drying temperature be-196 DEG C, heat drying is 350 DEG C.
6. the preparation method of spherical lithium ion secondary battery positive electrode according to claim 3, is characterized in that: step 2) in pyrolysis temperature be 600 ~ 750 DEG C, pyrolysis time is 5 minutes.
7. the preparation method of spherical lithium ion secondary battery positive electrode according to claim 3, is characterized in that: described lithium compound is selected from the one or more combination in lithium hydroxide, lithium acetate, lithium carbonate, lithium fluoride, lithium nitrate, lithium dihydrogen phosphate; Described iron compound is selected from the one or more combination in di-iron trioxide, ferric nitrate, iron hydroxide, iron chloride, ferric sulfate, ferric phosphate, ferrous acetate, ferrous oxide, ferrous oxalate, ferrous sulfate; Described manganese compound is selected from the one or more combination in manganese sesquioxide managnic oxide, manganese dioxide, manganous oxide, manganese nitrate, manganese phosphate, manganous hydroxide, manganese chloride, manganese sulfate, manganese acetate, manganese oxalate; Described phosphorus compound is selected from the one or more combination in phosphoric acid, ammonium dihydrogen phosphate, diammonium hydrogen phosphate, phosphorus pentoxide, manganese phosphate, ferric phosphate, ammonium phosphate, lithium dihydrogen phosphate; Described complexing agent is selected from the inorganic acids such as sulfuric acid, nitric acid, phosphoric acid, the one or more combination in oxalic acid, acetic acid; Described carbon source is selected from the one or more combination in graphite microparticles, organic pyrolytic carbon, conductive carbon black, carbon nano-tube, carbon fiber, carbon cloth, carbon nanopowder, Graphene, fructose, sucrose, glucose, maltose, lactose, galactolipin, ribose, polysaccharide; Described solvent is selected from the one or more combination in water, alkane, alcohol, ether, ketone, ester, aromatic hydrocarbon.
8. the preparation method of spherical lithium ion secondary battery positive electrode according to claim 3, it is characterized in that: described lithium compound is the one in lithium hydroxide, lithium carbonate, lithium nitrate, lithium dihydrogen phosphate, described iron compound is ferric phosphate, described manganese compound is manganese acetate, and described phosphorus compound is the one in ferric phosphate, phosphoric acid, lithium dihydrogen phosphate.
9. an application for spherical lithium ion secondary battery positive electrode as claimed in claim 1, is characterized in that: as the positive electrode of lithium rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098941.2A CN105552370B (en) | 2016-02-24 | 2016-02-24 | Spherical lithium ion secondary battery positive electrode and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098941.2A CN105552370B (en) | 2016-02-24 | 2016-02-24 | Spherical lithium ion secondary battery positive electrode and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105552370A true CN105552370A (en) | 2016-05-04 |
| CN105552370B CN105552370B (en) | 2019-04-12 |
Family
ID=55831431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610098941.2A Active CN105552370B (en) | 2016-02-24 | 2016-02-24 | Spherical lithium ion secondary battery positive electrode and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105552370B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323434A (en) * | 2019-07-11 | 2019-10-11 | 江苏力泰锂能科技有限公司 | Prepare iron manganese phosphate for lithium-carbon composite method and iron manganese phosphate for lithium-carbon composite |
| CN111564320A (en) * | 2020-05-20 | 2020-08-21 | 新昌县希亭科技有限公司 | Nano MnO2Supercapacitor electrode material of modified carbon cloth and preparation method thereof |
| CN113540410A (en) * | 2021-07-12 | 2021-10-22 | 天津大学 | Preparation method and application of lithium iron phosphate cathode material synthesized by rapid high-temperature thermal shock method |
| CN114073919A (en) * | 2020-08-19 | 2022-02-22 | 中国科学院理化技术研究所 | Carbon-magnetic metal dispersion type hollow composite microsphere and preparation method and application thereof |
| CN114725374A (en) * | 2022-03-31 | 2022-07-08 | 华为数字能源技术有限公司 | Lithium iron phosphate material, preparation method thereof and battery |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1773754A (en) * | 2005-11-04 | 2006-05-17 | 南开大学 | Ferrolithium phosphate and its compound metal phosphide electrode material and producing method thereof |
| CN1805182A (en) * | 2005-01-14 | 2006-07-19 | 湖南瑞翔新材料有限公司 | New preparation method of positive and negative electrode materials of lithium ion secondary cell by spraying thermal decomposition |
| CN1907844A (en) * | 2006-08-11 | 2007-02-07 | 广州市鹏辉电池有限公司 | High density ultrafine composite ferric lithium phosphate anode material and preparation method |
| CN101159328A (en) * | 2007-07-17 | 2008-04-09 | 上海微纳科技有限公司 | LiFePO4/C nano composite positive pole material and preparation method thereof |
| CN101436667A (en) * | 2007-11-14 | 2009-05-20 | 中国科学院理化技术研究所 | Anode polyporous material of lithium ion cell and preparation method thereof |
| CN102225752A (en) * | 2011-05-06 | 2011-10-26 | 中国科学院上海硅酸盐研究所 | Rapid method for preparing LiFePO4 cathode material |
| CN102593446A (en) * | 2012-02-22 | 2012-07-18 | 清华大学 | Method for preparing active electrode material of lithium ion battery |
| WO2012151297A1 (en) * | 2011-05-02 | 2012-11-08 | Washington University | Spray pyrolysis synthesis of mesoporous positive electrode materials for high energy lithium-ion batteries |
| CN102790213A (en) * | 2012-07-30 | 2012-11-21 | 广东电网公司电力科学研究院 | Manufacturing method of spherical lithium battery anode material lithium/carbon manganese phosphate |
| CN102969505A (en) * | 2012-12-12 | 2013-03-13 | 南京大学 | LiFePO4 precursor hollow sphere and preparation method thereof |
| US20130146806A1 (en) * | 2011-12-13 | 2013-06-13 | Hirose Tech Co., Ltd. | Porous lithium phosphate metal salt and method for preparing the same |
| CN104701544A (en) * | 2015-03-24 | 2015-06-10 | 佛山市德方纳米科技有限公司 | Hyper-capacity nanometer lithium iron phosphate anode material, preparing method of hyper-capacity nanometer lithium iron phosphate anode material and lithium ion battery |
| JP2016024983A (en) * | 2014-07-22 | 2016-02-08 | 日本ゼオン株式会社 | Method for manufacturing composite particles for electrochemical device electrode, composite particle for electrochemical device electrode, electrochemical device electrode, and electrochemical device |
-
2016
- 2016-02-24 CN CN201610098941.2A patent/CN105552370B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1805182A (en) * | 2005-01-14 | 2006-07-19 | 湖南瑞翔新材料有限公司 | New preparation method of positive and negative electrode materials of lithium ion secondary cell by spraying thermal decomposition |
| CN1773754A (en) * | 2005-11-04 | 2006-05-17 | 南开大学 | Ferrolithium phosphate and its compound metal phosphide electrode material and producing method thereof |
| CN1907844A (en) * | 2006-08-11 | 2007-02-07 | 广州市鹏辉电池有限公司 | High density ultrafine composite ferric lithium phosphate anode material and preparation method |
| CN101159328A (en) * | 2007-07-17 | 2008-04-09 | 上海微纳科技有限公司 | LiFePO4/C nano composite positive pole material and preparation method thereof |
| CN101436667A (en) * | 2007-11-14 | 2009-05-20 | 中国科学院理化技术研究所 | Anode polyporous material of lithium ion cell and preparation method thereof |
| WO2012151297A1 (en) * | 2011-05-02 | 2012-11-08 | Washington University | Spray pyrolysis synthesis of mesoporous positive electrode materials for high energy lithium-ion batteries |
| CN102225752A (en) * | 2011-05-06 | 2011-10-26 | 中国科学院上海硅酸盐研究所 | Rapid method for preparing LiFePO4 cathode material |
| US20130146806A1 (en) * | 2011-12-13 | 2013-06-13 | Hirose Tech Co., Ltd. | Porous lithium phosphate metal salt and method for preparing the same |
| CN102593446A (en) * | 2012-02-22 | 2012-07-18 | 清华大学 | Method for preparing active electrode material of lithium ion battery |
| CN102790213A (en) * | 2012-07-30 | 2012-11-21 | 广东电网公司电力科学研究院 | Manufacturing method of spherical lithium battery anode material lithium/carbon manganese phosphate |
| CN102969505A (en) * | 2012-12-12 | 2013-03-13 | 南京大学 | LiFePO4 precursor hollow sphere and preparation method thereof |
| JP2016024983A (en) * | 2014-07-22 | 2016-02-08 | 日本ゼオン株式会社 | Method for manufacturing composite particles for electrochemical device electrode, composite particle for electrochemical device electrode, electrochemical device electrode, and electrochemical device |
| CN104701544A (en) * | 2015-03-24 | 2015-06-10 | 佛山市德方纳米科技有限公司 | Hyper-capacity nanometer lithium iron phosphate anode material, preparing method of hyper-capacity nanometer lithium iron phosphate anode material and lithium ion battery |
Non-Patent Citations (1)
| Title |
|---|
| 刘学文: ""溶胶凝胶法及超声雾化法制备LiFePO4/C正极材料的研究"", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323434A (en) * | 2019-07-11 | 2019-10-11 | 江苏力泰锂能科技有限公司 | Prepare iron manganese phosphate for lithium-carbon composite method and iron manganese phosphate for lithium-carbon composite |
| CN110323434B (en) * | 2019-07-11 | 2022-07-22 | 江苏力泰锂能科技有限公司 | Method for preparing lithium iron manganese phosphate-carbon composite material and lithium iron manganese phosphate-carbon composite material |
| CN111564320A (en) * | 2020-05-20 | 2020-08-21 | 新昌县希亭科技有限公司 | Nano MnO2Supercapacitor electrode material of modified carbon cloth and preparation method thereof |
| CN111564320B (en) * | 2020-05-20 | 2023-01-31 | 新昌县希亭科技有限公司 | Nano MnO 2 Supercapacitor electrode material of modified carbon cloth and preparation method thereof |
| CN114073919A (en) * | 2020-08-19 | 2022-02-22 | 中国科学院理化技术研究所 | Carbon-magnetic metal dispersion type hollow composite microsphere and preparation method and application thereof |
| CN114073919B (en) * | 2020-08-19 | 2024-02-20 | 中国科学院理化技术研究所 | Carbon-magnetic metal dispersion type hollow composite microsphere and preparation method and application thereof |
| CN113540410A (en) * | 2021-07-12 | 2021-10-22 | 天津大学 | Preparation method and application of lithium iron phosphate cathode material synthesized by rapid high-temperature thermal shock method |
| CN114725374A (en) * | 2022-03-31 | 2022-07-08 | 华为数字能源技术有限公司 | Lithium iron phosphate material, preparation method thereof and battery |
| CN114725374B (en) * | 2022-03-31 | 2024-05-03 | 华为数字能源技术有限公司 | Lithium iron phosphate material, preparation method thereof and battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105552370B (en) | 2019-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Konarova et al. | Preparation of carbon coated LiFePO4 by a combination of spray pyrolysis with planetary ball-milling followed by heat treatment and their electrochemical properties | |
| CN103109399B (en) | A kind of containing lithium salts-graphene composite material and preparation method thereof | |
| CN103779564B (en) | High-performance vanadium phosphate sodium symmetric form sodium-ion battery material and its preparation method and application | |
| Konarova et al. | Physical and electrochemical properties of LiFePO4 nanoparticles synthesized by a combination of spray pyrolysis with wet ball-milling | |
| CN106876705B (en) | Preparation method of in-situ synthesized carbon/carbon nanotube coated lithium iron phosphate composite material | |
| CN102969505B (en) | LiFePO4 precursor hollow sphere and preparation method thereof | |
| CN103137970B (en) | Porous calcium phosphate ferromanganese lithium-carbon composite and preparation method thereof | |
| CN105552370B (en) | Spherical lithium ion secondary battery positive electrode and preparation method thereof | |
| CN102340002B (en) | Lithium iron phosphate nanofiber as lithium ion battery cathode material and preparation method thereof | |
| Zhang et al. | Controllable synthesis of spherical Li3V2 (PO4) 3/C cathode material and its electrochemical performance | |
| CN102082264B (en) | Method for preparing presoma of active electrode material of nano-lithium ion battery and application thereof | |
| CN102244233B (en) | Method for preparing composite cathode material of graphene-like doped-cladded lithium titanate | |
| CN102427131A (en) | Preparation method for metal magnesium-doped lithium manganese phosphate/carbon cathode material of lithium ion battery | |
| CN101710615A (en) | Preparation method of composite cathode material of lithium iron phosphate and carbon nano-tubes | |
| CN104078676B (en) | A kind of preparation method of vanadyl phosphate sodium/graphene composite material | |
| Wang et al. | Mesoporous Li3V2 (PO4) 3@ CMK-3 nanocomposite cathode material for lithium ion batteries | |
| CN108063228A (en) | Composite ferric lithium phosphate material and preparation method thereof, lithium ion battery | |
| CN104393291B (en) | A kind of vanadium phosphate cathode material of doping, cladding modification altogether and preparation method thereof | |
| CN105322145A (en) | Lithium ferric manganese phosphate/graphene/ carbon composite material and preparation method and application | |
| CN102306775B (en) | Lithium iron phosphate nanobelt serving as cathode material of lithium ion battery and preparation method of lithium iron phosphate nanobelt | |
| CN103413918B (en) | A kind of synthetic method of anode material for lithium ion battery cobalt phosphate lithium | |
| CN103066278B (en) | LiFePO 4 material of the coated vanadium doping of tin oxide and preparation method thereof | |
| CN102593462A (en) | Method for preparing lithium iron phosphate by coating carbon | |
| CN106129358A (en) | A kind of preparation method of porous N doping class Graphene carbon film coated LiFePO 4 for lithium ion batteries complex | |
| CN103199248B (en) | The preparation method of the coated niobium doped iron lithium phosphate of carbon-cobalt acid lithium composite positive pole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |