WO2011162157A1 - 非水電解液二次電池用正極組成物及び該正極組成部物を用いた正極スラリーの製造方法 - Google Patents
非水電解液二次電池用正極組成物及び該正極組成部物を用いた正極スラリーの製造方法 Download PDFInfo
- Publication number
- WO2011162157A1 WO2011162157A1 PCT/JP2011/063806 JP2011063806W WO2011162157A1 WO 2011162157 A1 WO2011162157 A1 WO 2011162157A1 JP 2011063806 W JP2011063806 W JP 2011063806W WO 2011162157 A1 WO2011162157 A1 WO 2011162157A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- positive electrode
- electrode composition
- positive
- active material
- composition
- Prior art date
Links
Images
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
- H01M4/48—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
-
- 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
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- 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
- H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/46—Alloys based on magnesium or aluminium
- H01M4/463—Aluminium based
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/46—Alloys based on magnesium or aluminium
- H01M4/466—Magnesium based
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—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
-
- 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
-
- 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
Definitions
- the present invention relates to a positive electrode composition for a non-aqueous electrolyte secondary battery such as a lithium ion secondary battery.
- the present invention relates to a positive electrode composition capable of improving the output characteristics of a lithium ion secondary battery and improving the viscosity stability of the positive electrode slurry.
- the present invention also relates to a method for producing a positive electrode slurry having improved viscosity stability.
- LiCoO 2 lithium cobaltate
- LiCoO 2 lithium cobaltate
- Cobalt which is a raw material for LiCoO 2 , is a scarce resource and is unevenly distributed, so that costs are incurred and anxiety about raw material supply occurs.
- LiNiO 2 lithium nickelate
- LiNiO 2 can practically realize a secondary battery with a discharge capacity of about 200 mA / g with a 4V class.
- the stability of the crystal structure of the positive electrode active material during charge / discharge is difficult.
- LiNi 0.33 Co 0.33 Mn 0.33 O 2 is more advantageous than LiCoO 2 in terms of cost.
- JP 2007-188878 A Japanese Patent Laid-Open No. 2002-075367 JP 2000-106174 A JP 2003-142101 A
- the positive electrode of the nonaqueous electrolyte secondary battery is prepared by mixing a positive electrode active material with a binder such as PVDF (polyvinylidene fluoride) or NMP (normal methyl-2-pyrrolidone) to form a positive electrode slurry, and aluminum foil. It is formed by applying to a current collector. At this time, when lithium is liberated from the positive electrode active material, it reacts with moisture contained in the binder to produce lithium hydroxide. The produced lithium hydroxide reacts with the binder, resulting in gelation of the positive electrode slurry, resulting in poor operability and yield. This tendency becomes remarkable when the lithium in the positive electrode active material is in excess of the stoichiometric ratio and the proportion of nickel is high.
- a binder such as PVDF (polyvinylidene fluoride) or NMP (normal methyl-2-pyrrolidone)
- An object of the present invention is to provide a positive electrode composition with improved output characteristics, low cost, easy handling during the production of a positive electrode, and improved yield.
- the present inventors have intensively studied and have completed the present invention.
- the inventors of the present invention mix a positive electrode active material composed of a lithium transition metal composite oxide having a specific composition and particles composed of an acidic oxide (hereinafter also referred to as additive particles) to form a positive electrode composition. It was found that gelation can be suppressed. It was also found that output characteristics are improved.
- the positive electrode slurry is produced by previously obtaining the positive electrode composition and then dispersing and dissolving it in a dispersion medium together with a binder, whereby gelation is suppressed, and output in a non-aqueous electrolytic secondary battery after coating. It has been found that the characteristics are improved.
- the positive electrode composition of the present invention has a general formula of Li 1 + x Ni y Co z M 1-yz-w L w O 2 (0 ⁇ x ⁇ 0.50, 0.30 ⁇ y ⁇ 1.0, 0 ⁇ z ⁇ 0.5, 0 ⁇ w ⁇ 0.1, 0.30 ⁇ y + z + w ⁇ 1, M is at least one selected from Mn and Al, L is at least selected from the group consisting of Zr, Ti, Mg and W
- a positive electrode active material composed of a lithium transition metal composite oxide represented by a kind of element) and additive particles composed of acidic oxide particles.
- the acidic oxide particles are preferably at least one selected from the group consisting of tungsten oxide, molybdenum oxide, vanadium pentoxide, tin dioxide and boron oxide.
- the content of the acidic oxide particles is preferably 5.0 mol% or less when expressed as a ratio of a metal element and / or a metalloid element in the acidic oxide particles to the positive electrode active material.
- the method for producing a positive electrode slurry of the present invention has a general formula of Li 1 + x Ni y Co z M 1-yz-w L w O 2 (0 ⁇ x ⁇ 0.50, 0.30 ⁇ y ⁇ 1.0, 0 ⁇ Z ⁇ 0.5, 0 ⁇ w ⁇ 0.1, 0.30 ⁇ y + z + w ⁇ 1, M is at least one selected from Mn and Al, L is selected from the group consisting of Zr, Ti, Mg and W
- a positive electrode active material composed of a lithium transition metal composite oxide represented by (at least one element) and additive particles composed of acidic oxide particles to obtain a positive electrode composition; And a step of mixing an adhesive and a dispersion medium to obtain a positive electrode slurry.
- the positive electrode composition of the present invention has the above-described characteristics, the positive electrode slurry does not gel when the positive electrode is manufactured, and the operability is improved and the yield is improved. Further, by using the positive electrode active material of the present invention for the positive electrode, a non-aqueous electrolyte secondary battery with improved output characteristics can be obtained at low cost.
- the method for producing the positive electrode slurry of the present invention has the above-described characteristics, gelation during production is suppressed, and production yield is improved. Moreover, the output characteristics of the non-aqueous electrolytic secondary battery manufactured by applying the positive electrode slurry are improved.
- FIG. 1 shows changes with time in the viscosity of positive electrode slurries produced using the positive electrode compositions of Examples 3, 8, and 11 and Comparative Example 1.
- FIG. 2 shows the correlation between the content of acidic oxide in the positive electrode composition (as the content of metal element and / or metalloid element) and the amount of residual LiOH.
- FIG. 3 shows the correlation between the content of acidic oxide in the positive electrode composition (as the content of metal element and / or metalloid element) and direct current internal resistance (DC-IR).
- FIG. 4 is a result of two-dimensional concentration mapping analysis of EPMA showing an example of the distribution of acidic oxide particles in the positive electrode composition.
- the positive electrode composition of the present invention is composed of a positive electrode active material composed of a lithium transition metal composite oxide essentially comprising lithium and nickel, and additive particles composed of acidic oxide particles.
- the composition of the positive electrode active material has the general formula Li 1 + x Ni y Co z M 1-yz-w L w O 2 (0 ⁇ x ⁇ 0.50, 0.30 ⁇ y ⁇ 1.0, 0 ⁇ z ⁇ 0.5, 0 ⁇ w ⁇ 0.1, 0.30 ⁇ y + z + w ⁇ 1, M is at least one selected from Mn and Al, L is at least one selected from the group consisting of Zr, Ti, Mg and W Element).
- x the larger the output characteristics, the better.
- x exceeds 0.5, the amount of unreacted Li components increases, and the particles are sintered in the firing step, which makes it difficult to manufacture. Therefore, the practical upper limit is 0.5.
- y is less than 0.3 because it is disadvantageous in terms of output characteristics, and is preferably 0.3 or more. If z exceeds 0.5, a cost advantage cannot be found, and is preferably 0.5 or less for the purpose of cost reduction. About w, since the capacity
- Li, Ni, Co, and M sites may be replaced with other elements L for other purposes.
- L Zr is preferable in terms of storage characteristics.
- at least one element of Ti or Mg is preferable in terms of cycle characteristics.
- at least one element of Zr or W is particularly preferable because the output characteristics are greatly improved in combination with the acidic oxide constituting the present invention.
- Acidic oxide refers to an oxide that reacts with a base (alkali) to form a salt.
- amphoteric oxides are also included in acidic oxides in that they react with bases.
- the metal element and / or metalloid element forming the acidic oxide include tungsten, molybdenum, vanadium, tin, boron, manganese, tellurium, aluminum, zinc, and magnesium. Tungsten, molybdenum, vanadium, tin, and boron are preferable from the viewpoint of reactivity with lithium hydroxide, electrical conductivity of substances before and after the reaction, and among these, tungsten and molybdenum are particularly preferable.
- the positive electrode composition can be obtained by thoroughly mixing the positive electrode active material and the additive particles.
- a coating layer may be provided on the mechanochemical by high-speed stirring, but it is sufficient if they are mixed to such an extent that there is no extreme uneven distribution.
- the mixing amount of the acidic oxide particles is not particularly limited, but if the amount is too small, the gelation suppression effect and output characteristics of the positive electrode slurry are insufficient, and if the amount is too large, the ratio of the positive electrode active material in the positive electrode is small. Since it only decreases, it is adjusted appropriately according to the purpose.
- the content of the acidic oxide particles in the positive electrode composition is the metal element and / or semimetal in the acidic oxide particles with respect to the positive electrode active material
- it is preferably 5.0 mol% or less because the balance of various properties is good. More preferably, they are 0.01 mol% or more and 1.0 mol% or less (refer FIG. 3).
- the acidic oxide particles in the positive electrode composition preferably have a small center particle diameter, but if they are too small, they tend to aggregate, so they are adjusted as appropriate.
- the thickness is preferably 0.1 ⁇ m to 2 ⁇ m, more preferably 0.5 ⁇ m to 1.5 ⁇ m.
- the positive electrode active material in a positive electrode composition has the center particle size relatively larger than an acidic oxide particle.
- 4 to 8 ⁇ m is preferable.
- the positive electrode active material can be appropriately produced by a known method. For example, it can be obtained by mixing raw material powder containing constituent elements, which can be decomposed into oxides at a high temperature, with a mixer and firing at 700 ° C. to 1100 ° C.
- the positive electrode slurry of the present invention is manufactured by mixing the positive electrode composition manufactured by the above-described method, a binder, and a dispersion medium.
- a binder for example, PVDF (polyvinylidene fluoride), PTFE (polytetrafluoroethylene), or the like can be used.
- the binder is preferably mixed at a ratio of 2 wt% to 10 wt%.
- the dispersion medium for example, NMP (normal methyl-2-pyrrolidone) can be used.
- a conductive agent such as acetylene black may be mixed.
- the conductive agent is preferably mixed at a ratio of 2 wt% to 10 wt%.
- the liquid temperature is set to 65 ° C., and a certain amount of aqueous sodium hydroxide solution is dropped to obtain a nickel / cobalt / manganese coprecipitated hydroxide.
- Get raw materials The obtained mixed raw material is fired at 850 ° C. for 2.5 hours in an air atmosphere, and subsequently fired at 900 ° C. for 4.5 hours to obtain a sintered body.
- the obtained sintered body is pulverized and passed through a dry sieve to obtain a positive electrode active material represented by the composition formula Li 1.10 Ni 0.5 Co 0.2 Mn 0.3 Zr 0.005 O 2 .
- the obtained positive electrode active material has a center particle size of 6.0 ⁇ m.
- V vanadium oxide
- Example 1 Only the positive electrode active material in Example 1 is used as a comparative example.
- FIG. 4 shows the result of two-dimensional concentration mapping analysis of EPMA for the positive electrode composition of Example 1.
- FIG. 4 shows that tungsten (VI) particles having a particle size of about 1 ⁇ m are distributed almost uniformly in the positive electrode composition. Similar results are obtained for the other examples.
- the amount of residual LiOH remaining in the positive electrode composition is measured by the following method.
- a positive electrode composition (or a positive electrode active material for comparison) is placed in a styrene lidded bottle, 50 ml of pure water is added, and the lid is capped and stirred for 1 hour with shaking. After completion of stirring, the supernatant is filtered through 5C type filter paper. Discard the first few ml of the filtrate and collect 20 ml of the subsequent filtrate in a test tube. The collected filtrate is transferred to a 200 ml conical beaker and diluted to 50 ml with pure water. A 1% phenolphthalein solution is added to the diluted solution, and 0.025 N sulfuric acid is added dropwise until the solution becomes colorless. Based on the amount of 0.025 N sulfuric acid used for titration, the amount of residual LiOH remaining in the positive electrode composition is calculated.
- the slurry in the polyethylene container is left to stand in a 60 ° C. constant temperature bath, and after 24 hours, 48 hours, and 72 hours, the viscosity is measured again with an E-type viscometer. In addition, it knead
- DC-IR is measured as follows.
- a positive electrode slurry is prepared by dispersing 85 parts by weight of a positive electrode composition, 10 parts by weight of acetylene black, and 5.0 parts by weight of PVDF in NMP.
- the obtained positive electrode slurry is applied to an aluminum foil, dried, compression-molded with a roll press, and cut into a predetermined size to obtain a positive electrode.
- a negative electrode slurry is prepared by dispersing 90 parts by weight of lithium titanate, 3 parts by weight of acetylene black, 2.0 parts by weight of VGCF (vapor-grown carbon fiber, registered trademark) and 5.0 parts by weight of PVDF in NMP.
- the obtained negative electrode slurry is applied to an aluminum foil, dried, compression-molded with a roll press, and cut into a predetermined size to obtain a negative electrode.
- LiPF 6 Lithium hexafluorophosphate
- the resulting battery is aged with a weak current, and the electrolyte is sufficiently applied to the positive electrode and the negative electrode. Thereafter, a high current is supplied and a weak current is supplied again. Charge and discharge a total of 10 times.
- the battery capacity output at the time of the 10th charge is set to (1), and then charged to 40% of (1).
- a battery charged up to 40% as described above is installed in a thermostat set at 25 ° C., and the charging direction and the discharging direction are alternately 0.04A, 0.08A, 0.12A, 0.16A, 0.20A. Apply current. Use the voltage when current flows in the discharge direction.
- the horizontal axis indicates the current value
- the vertical axis indicates the voltage
- the slope of the straight line connecting the intersection points is the 25 ° C. DC-IR value.
- Discharge the battery after DC-IR measurement at 25 ° C and charge to 40% of (1) The charged battery is placed in a thermostatic chamber set at ⁇ 25 ° C. and left for 6 hours, and then a current of 0.02A-0.04A-0.06A is passed in the discharging direction.
- the horizontal axis represents the current value
- the vertical axis represents the voltage
- the slope of the straight line connecting the intersections is defined as a -25 ° C DC-IR value.
- FIG. 1 shows the change in the positive electrode slurry viscosity with time.
- the positive electrode compositions of Examples 1 to 11 to which additive particles were added caused gelation of the positive electrode slurry as compared with the positive electrode composition of Comparative Example 1 to which additive particles were not added. It can be seen that the lithium hydroxide content obtained is reduced.
- the positive electrode slurry prepared using the positive electrode compositions of Examples 1 to 11 was suppressed in viscosity increase compared to the positive electrode slurry prepared using the positive electrode composition of Comparative Example 1. You can see that.
- the non-aqueous electrolyte secondary batteries produced using the positive electrode compositions of Examples 1 to 11 were non-aqueous electrolyte secondary batteries produced using the positive electrode composition of Comparative Example 1.
- the positive electrode composition for a non-aqueous electrolyte secondary battery of the present invention can be used for a non-aqueous electrolyte secondary battery.
- the non-aqueous electrolyte secondary battery using the positive electrode composition of the present invention is inexpensive, has improved output characteristics, has a good yield, and has good operability, so that mobile devices such as mobile phones, notebook computers, digital cameras, etc.
- the present invention can be used particularly suitably for power supplies for high output and large applications such as batteries for electric vehicles.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
実施例1における正極活物質のみを比較例とする。
Claims (6)
- 一般式
Li1+xNiyCozM1-y-z-wLwO2(0≦x≦0.50、0.30≦y≦1.0、0<z≦0.5、0≦w≦0.1、0.30<y+z+w≦1、MはMn及びAlから選択される少なくとも一種、LはZr、Ti、Mg及びWからなる群より選択される少なくとも一種の元素)
で表されるリチウム遷移金属複合酸化物からなる正極活物質と、酸性酸化物粒子からなる添加粒子とを含む非水電解液二次電池用正極組成物。 - 前記酸性酸化物粒子が、酸化タングステン、酸化モリブデン、五酸化バナジウム、二酸化スズ及び酸化ホウ素からなる群より選択される少なくとも一種である請求項1に記載の非水電解液二次電池用正極組成物。
- 前記酸性酸化物粒子の含有量が、前記正極活物質に対する前記酸性酸化物粒子中の金属元素及び/又は半金属元素の割合として表した場合に、5.0mol%以下である請求項1又は2に記載の非水電解液二次電池用正極組成物。
- 前記正極活物質の一般式において、前記酸性酸化物粒子の含有量が、前記正極活物質に対する前記酸性酸化物粒子中の金属元素及び/又は半金属元素の割合として表した場合に0.01mol%以上1.0mol%以下である請求項1乃至3のいずれか一項に記載の非水電解液二次電池用正極組成物。
- 前記正極活物質の中心粒径が4μm~8μm、前記添加粒子の中心粒径が0.1μm~2μmである請求項1乃至4のいずれか一項に記載の非水電解液二次電池用正極組成物。
- 一般式Li1+xNiyCozM1-y-z-wLwO2(0≦x≦0.50、0.30≦y≦1.0、0≦z≦0.5、0≦w≦0.1、0.30<y+z+w≦1、MはMn及びAlから選択される少なくとも一種、LはZr、Ti、Mg及びWからなる群より選択される少なくとも一種の元素)で表されるリチウム遷移金属複合酸化物からなる正極活物質と、酸性酸化物粒子からなる添加粒子とを混合して正極組成物を得る工程と、
前記正極組成物、結着剤及び分散媒を混合して正極スラリーを得る工程と、
を含む非水電解液二次電池用正極スラリーの製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020127025328A KR101888204B1 (ko) | 2010-06-22 | 2011-06-16 | 비수 전해액 이차 전지용 정극 조성물 및 그 정극 조성물을 이용한 정극 슬러리의 제조 방법 |
BR112012032891A BR112012032891B1 (pt) | 2010-06-22 | 2011-06-16 | composição de eletrodo positivo para bateria secundária de eletrólito não aquoso e método para produzir pasta fluida de eletrodo positivo com o uso da composição de eletrodo positivo |
EP11798042.5A EP2587571B1 (en) | 2010-06-22 | 2011-06-16 | Positive-electrode composition for a nonaqueous-electrolyte secondary battery and method for manufacturing a positive-electrode slurry using said positive-electrode composition |
PL11798042T PL2587571T3 (pl) | 2010-06-22 | 2011-06-16 | Kompozycja elektrody dodatniej do akumulatora z niewodnym elektrolitem i sposób wytwarzania zawiesiny na elektrodę dodatnią z użyciem wspomnianej kompozycji elektrody dodatniej |
CN201180031285.XA CN102947983B (zh) | 2010-06-22 | 2011-06-16 | 非水电解液二次电池用正极组合物、以及使用该正极组合物制造正极浆料的方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-141828 | 2010-06-22 | ||
JP2010141828 | 2010-06-22 | ||
JP2011-109958 | 2011-05-17 | ||
JP2011109958A JP5382061B2 (ja) | 2010-06-22 | 2011-05-17 | 非水電解液二次電池用正極組成物及び該正極組成物を用いた正極スラリー |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011162157A1 true WO2011162157A1 (ja) | 2011-12-29 |
Family
ID=45351657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/063806 WO2011162157A1 (ja) | 2010-06-22 | 2011-06-16 | 非水電解液二次電池用正極組成物及び該正極組成部物を用いた正極スラリーの製造方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US9716272B2 (ja) |
EP (1) | EP2587571B1 (ja) |
JP (1) | JP5382061B2 (ja) |
KR (1) | KR101888204B1 (ja) |
CN (1) | CN102947983B (ja) |
BR (1) | BR112012032891B1 (ja) |
HU (1) | HUE043031T2 (ja) |
PL (1) | PL2587571T3 (ja) |
WO (1) | WO2011162157A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015199168A1 (ja) * | 2014-06-26 | 2015-12-30 | 戸田工業株式会社 | 非水電解質二次電池用正極活物質粒子粉末及びその製造方法、並びに非水電解質二次電地 |
US11011741B2 (en) | 2016-12-07 | 2021-05-18 | Sumitomo Chemical Company, Limited | Positive electrode active material for lithium secondary batteries, positive electrode for lithium secondary batteries, and lithium secondary battery |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012238581A (ja) * | 2011-04-28 | 2012-12-06 | Nichia Chem Ind Ltd | 非水電解液二次電池用正極活物質 |
WO2013015069A1 (ja) * | 2011-07-28 | 2013-01-31 | 三洋電機株式会社 | 非水電解質二次電池 |
CN103733389A (zh) * | 2011-07-29 | 2014-04-16 | 三洋电机株式会社 | 非水电解质二次电池 |
KR20130081055A (ko) * | 2012-01-06 | 2013-07-16 | 삼성에스디아이 주식회사 | 리튬 전지용 양극 소재, 이로부터 얻어지는 양극 및 상기 양극을 채용한 리튬 전지 |
JP6286855B2 (ja) * | 2012-04-18 | 2018-03-07 | 日亜化学工業株式会社 | 非水電解液二次電池用正極組成物 |
CN104641497B (zh) * | 2012-09-25 | 2017-06-23 | 三洋电机株式会社 | 非水电解质二次电池及非水电解质二次电池用正极活性物质 |
US10224538B2 (en) * | 2013-01-16 | 2019-03-05 | Samsung Sdi Co., Ltd. | Positive electrode for rechargeable lithium battery and rechargeable lithium battery including the same |
WO2014156054A1 (ja) * | 2013-03-26 | 2014-10-02 | 三洋電機株式会社 | 非水電解質二次電池用正極活物質及びそれを用いた非水電解質二次電池 |
US9991514B2 (en) * | 2013-08-29 | 2018-06-05 | Lg Chem, Ltd. | Method of manufacturing lithium nickel complex oxide, lithium nickel complex oxide manufactured thereby, and cathode active material including the same |
EP3041071B1 (en) * | 2013-08-29 | 2018-10-03 | LG Chem, Ltd. | Lithium transition metal composite particles, method for preparing same, and positive active materials comprising same |
KR101666384B1 (ko) * | 2013-09-30 | 2016-10-14 | 주식회사 엘지화학 | 고전압 리튬 이차전지용 양극 활물질 및 이를 포함하는 리튬 이차전지 |
KR20150037085A (ko) | 2013-09-30 | 2015-04-08 | 주식회사 엘지화학 | 리튬 이차전지용 양극 활물질 및 이를 포함하는 리튬 이차전지 |
JP6575048B2 (ja) * | 2013-10-17 | 2019-09-18 | 日亜化学工業株式会社 | 非水電解液二次電池用正極組成物、非水電解液二次電池、及び非水電解液二次電池用正極組成物の製造方法。 |
JP6852747B2 (ja) * | 2013-10-17 | 2021-03-31 | 日亜化学工業株式会社 | 非水電解液二次電池用正極組成物、非水電解液二次電池、及び非水電解液二次電池用正極組成物の製造方法。 |
JP6495824B2 (ja) * | 2013-10-28 | 2019-04-03 | 住友化学株式会社 | リチウム含有複合酸化物の製造方法、リチウムイオン二次電池用正極およびリチウムイオン二次電池 |
JP6524651B2 (ja) * | 2013-12-13 | 2019-06-05 | 日亜化学工業株式会社 | 非水電解液二次電池用正極活物質及びその製造方法 |
JP6743920B2 (ja) * | 2013-12-13 | 2020-08-19 | 日亜化学工業株式会社 | 非水電解液二次電池用正極活物質及びその製造方法 |
JP6572882B2 (ja) * | 2014-03-20 | 2019-09-11 | 三洋電機株式会社 | 非水電解質二次電池用正極及び非水電解質二次電池 |
JP6312489B2 (ja) * | 2014-03-27 | 2018-04-18 | オートモーティブエナジーサプライ株式会社 | 非水電解質電池及びその製造方法 |
CN106716701A (zh) * | 2014-09-26 | 2017-05-24 | 三洋电机株式会社 | 非水电解质二次电池 |
CN105789609A (zh) * | 2014-12-15 | 2016-07-20 | 上海兆维科技发展有限公司 | 一种正极材料及其制备方法和用途 |
US20180034112A1 (en) * | 2015-02-27 | 2018-02-01 | Sanyo Electric Co., Ltd. | Non-aqueous electrolyte secondary battery |
JP7013871B2 (ja) * | 2015-10-28 | 2022-02-01 | 住友金属鉱山株式会社 | 非水系電解質二次電池用正極活物質とその製造方法、非水系電解質二次電池用正極合材ペーストおよび非水系電解質二次電池 |
JP6773047B2 (ja) | 2015-11-27 | 2020-10-21 | 住友金属鉱山株式会社 | 非水系電解質二次電池用正極材料とその製造方法、および正極合材ペースト、非水系電解質二次電池。 |
JP6685002B2 (ja) | 2015-12-11 | 2020-04-22 | パナソニックIpマネジメント株式会社 | 二次電池用正極活物質及び二次電池 |
JP7037873B2 (ja) * | 2016-02-03 | 2022-03-17 | Jx金属株式会社 | リチウムイオン電池用正極活物質、リチウムイオン電池用正極及びリチウムイオン電池 |
JP6793368B2 (ja) * | 2016-02-29 | 2020-12-02 | パナソニックIpマネジメント株式会社 | 非水電解質二次電池 |
KR101892612B1 (ko) * | 2016-03-25 | 2018-08-28 | 주식회사 에코프로비엠 | 리튬이차전지 양극활물질의 제조 방법 및 이에 의하여 제조된 리튬이차전지 양극활물질 |
WO2017199891A1 (ja) | 2016-05-16 | 2017-11-23 | 住友金属鉱山株式会社 | 非水系電解質二次電池用正極活物質とその製造方法、非水系電解質二次電池用正極合材ペーストおよび非水系電解質二次電池 |
WO2018043515A1 (ja) | 2016-08-29 | 2018-03-08 | 住友金属鉱山株式会社 | 非水系電解質二次電池用正極活物質とその製造方法、非水系電解質二次電池用正極合材ペーストおよび非水系電解質二次電池 |
JP6637873B2 (ja) * | 2016-11-02 | 2020-01-29 | Jx金属株式会社 | リチウムイオン二次電池用正極活物質、リチウムイオン二次電池用正極、及びリチウムイオン二次電池 |
JP6819245B2 (ja) * | 2016-11-30 | 2021-01-27 | 三洋電機株式会社 | 非水電解質二次電池用正極板の製造方法及び非水電解質二次電池の製造方法、並びに非水電解質二次電池 |
CN110679018B (zh) | 2017-05-31 | 2023-05-23 | 住友金属矿山株式会社 | 正极活性物质和其制造方法、正极复合材料糊剂和非水系电解质二次电池 |
WO2019039567A1 (ja) | 2017-08-25 | 2019-02-28 | 住友金属鉱山株式会社 | 非水系電解質二次電池用正極活物質とその製造方法、非水系電解質二次電池用正極合材ペーストおよび非水系電解質二次電池 |
US11973221B2 (en) | 2017-12-26 | 2024-04-30 | Posco Holdings Inc. | Cathode active material for lithium secondary battery, production method therefor, and lithium secondary battery comprising same |
KR102010929B1 (ko) | 2017-12-26 | 2019-08-16 | 주식회사 포스코 | 리튬 이차 전지용 양극 활물질, 이의 제조 방법, 및 이를 포함하는 리튬 이차 전지 |
JP7110611B2 (ja) | 2018-02-06 | 2022-08-02 | 住友金属鉱山株式会社 | 非水系電解質二次電池用正極活物質とその製造方法、非水系電解質二次電池用正極活物質の評価方法、および非水系電解質二次電池 |
WO2019182064A1 (ja) | 2018-03-20 | 2019-09-26 | 住友金属鉱山株式会社 | 非水系電解質二次電池用正極活物質とその製造方法 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000106174A (ja) | 1998-09-30 | 2000-04-11 | Matsushita Electric Ind Co Ltd | 非水電解液二次電池 |
JP2000268812A (ja) * | 1999-03-10 | 2000-09-29 | Samsung Sdi Co Ltd | リチウム二次電池用正極活物質及びその製造方法 |
JP2002075367A (ja) | 2000-09-04 | 2002-03-15 | Mitsui Chemicals Inc | リチウム電池用正極活物質、その製法およびそれを用いた二次電池 |
JP2003500318A (ja) * | 1999-05-15 | 2003-01-07 | メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフトング | 金属酸化物で被覆されたリチウム混合酸化物粒子 |
JP2003142101A (ja) | 2001-10-31 | 2003-05-16 | Nec Corp | 二次電池用正極およびそれを用いた二次電池 |
JP2007188878A (ja) | 2005-12-16 | 2007-07-26 | Matsushita Electric Ind Co Ltd | リチウムイオン二次電池 |
JP2011060605A (ja) * | 2009-09-10 | 2011-03-24 | Toyota Motor Corp | リチウムイオン二次電池、車両、電池搭載機器及び正電極板 |
WO2011078263A1 (ja) * | 2009-12-24 | 2011-06-30 | 日本ゼオン株式会社 | 二次電池用電極及び二次電池 |
JP2011146158A (ja) * | 2010-01-12 | 2011-07-28 | Toyota Motor Corp | リチウム二次電池 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6730435B1 (en) | 1999-10-26 | 2004-05-04 | Sumitomo Chemical Company, Limited | Active material for non-aqueous secondary battery, and non-aqueous secondary battery using the same |
KR100709205B1 (ko) * | 2001-04-02 | 2007-04-18 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 활물질 조성물 |
US8658125B2 (en) * | 2001-10-25 | 2014-02-25 | Panasonic Corporation | Positive electrode active material and non-aqueous electrolyte secondary battery containing the same |
JP2005251716A (ja) * | 2004-02-05 | 2005-09-15 | Nichia Chem Ind Ltd | 非水電解質二次電池用正極活物質、非水電解質二次電池用正極合剤および非水電解質二次電池 |
KR100716880B1 (ko) * | 2004-04-07 | 2007-05-09 | 마쯔시다덴기산교 가부시키가이샤 | 비수전해질 이차전지 |
JP2006066330A (ja) | 2004-08-30 | 2006-03-09 | Shin Kobe Electric Mach Co Ltd | 非水電解液二次電池用正極活物質、非水電解液二次電池及び正極活物質の製造方法 |
WO2006101138A1 (ja) | 2005-03-23 | 2006-09-28 | Matsushita Electric Industrial Co., Ltd. | リチウムイオン二次電池およびその製造法 |
JP5082204B2 (ja) * | 2005-05-27 | 2012-11-28 | ソニー株式会社 | リチウム二次電池用正極活物質の製造方法およびリチウム二次電池 |
US20070141470A1 (en) | 2005-12-16 | 2007-06-21 | Kensuke Nakura | Lithium ion secondary battery |
KR101201170B1 (ko) * | 2006-03-21 | 2012-11-13 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극과 이를 포함하는 리튬 이차전지 및리튬 이차전지의 제조방법 |
KR101264332B1 (ko) * | 2006-09-20 | 2013-05-14 | 삼성에스디아이 주식회사 | 캐소드 활물질 및 이를 채용한 리튬 전지 |
JP2009032647A (ja) * | 2007-06-25 | 2009-02-12 | Mitsubishi Chemicals Corp | リチウム二次電池用正極活物質材料、及びそれを用いたリチウム二次電池用正極並びにリチウム二次電池 |
JP5428251B2 (ja) * | 2007-09-04 | 2014-02-26 | 三菱化学株式会社 | リチウム遷移金属系化合物粉体、それを用いたリチウム二次電池用正極及びリチウム二次電池 |
-
2011
- 2011-05-17 JP JP2011109958A patent/JP5382061B2/ja active Active
- 2011-06-16 KR KR1020127025328A patent/KR101888204B1/ko active IP Right Grant
- 2011-06-16 WO PCT/JP2011/063806 patent/WO2011162157A1/ja active Application Filing
- 2011-06-16 PL PL11798042T patent/PL2587571T3/pl unknown
- 2011-06-16 EP EP11798042.5A patent/EP2587571B1/en active Active
- 2011-06-16 CN CN201180031285.XA patent/CN102947983B/zh active Active
- 2011-06-16 BR BR112012032891A patent/BR112012032891B1/pt active IP Right Grant
- 2011-06-16 HU HUE11798042A patent/HUE043031T2/hu unknown
- 2011-06-20 US US13/164,359 patent/US9716272B2/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000106174A (ja) | 1998-09-30 | 2000-04-11 | Matsushita Electric Ind Co Ltd | 非水電解液二次電池 |
JP2000268812A (ja) * | 1999-03-10 | 2000-09-29 | Samsung Sdi Co Ltd | リチウム二次電池用正極活物質及びその製造方法 |
JP2003500318A (ja) * | 1999-05-15 | 2003-01-07 | メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフトング | 金属酸化物で被覆されたリチウム混合酸化物粒子 |
JP2002075367A (ja) | 2000-09-04 | 2002-03-15 | Mitsui Chemicals Inc | リチウム電池用正極活物質、その製法およびそれを用いた二次電池 |
JP2003142101A (ja) | 2001-10-31 | 2003-05-16 | Nec Corp | 二次電池用正極およびそれを用いた二次電池 |
JP2007188878A (ja) | 2005-12-16 | 2007-07-26 | Matsushita Electric Ind Co Ltd | リチウムイオン二次電池 |
JP2011060605A (ja) * | 2009-09-10 | 2011-03-24 | Toyota Motor Corp | リチウムイオン二次電池、車両、電池搭載機器及び正電極板 |
WO2011078263A1 (ja) * | 2009-12-24 | 2011-06-30 | 日本ゼオン株式会社 | 二次電池用電極及び二次電池 |
JP2011146158A (ja) * | 2010-01-12 | 2011-07-28 | Toyota Motor Corp | リチウム二次電池 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2587571A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015199168A1 (ja) * | 2014-06-26 | 2015-12-30 | 戸田工業株式会社 | 非水電解質二次電池用正極活物質粒子粉末及びその製造方法、並びに非水電解質二次電地 |
JPWO2015199168A1 (ja) * | 2014-06-26 | 2017-04-20 | 戸田工業株式会社 | 非水電解質二次電池用正極活物質粒子粉末及びその製造方法、並びに非水電解質二次電地 |
JP2020092090A (ja) * | 2014-06-26 | 2020-06-11 | 戸田工業株式会社 | 非水電解質二次電池用正極活物質粒子粉末及びその製造方法、並びに非水電解質二次電地 |
US11011741B2 (en) | 2016-12-07 | 2021-05-18 | Sumitomo Chemical Company, Limited | Positive electrode active material for lithium secondary batteries, positive electrode for lithium secondary batteries, and lithium secondary battery |
Also Published As
Publication number | Publication date |
---|---|
JP5382061B2 (ja) | 2014-01-08 |
CN102947983A (zh) | 2013-02-27 |
HUE043031T2 (hu) | 2019-07-29 |
EP2587571A4 (en) | 2015-11-25 |
EP2587571A1 (en) | 2013-05-01 |
US9716272B2 (en) | 2017-07-25 |
BR112012032891A2 (pt) | 2016-11-29 |
CN102947983B (zh) | 2016-03-23 |
EP2587571B1 (en) | 2018-12-19 |
KR20130086279A (ko) | 2013-08-01 |
JP2012028313A (ja) | 2012-02-09 |
BR112012032891B1 (pt) | 2020-01-14 |
KR101888204B1 (ko) | 2018-08-13 |
PL2587571T3 (pl) | 2019-04-30 |
US20110315918A1 (en) | 2011-12-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5382061B2 (ja) | 非水電解液二次電池用正極組成物及び該正極組成物を用いた正極スラリー | |
JP6286855B2 (ja) | 非水電解液二次電池用正極組成物 | |
CN103988349B (zh) | 非水系电解质二次电池用正极材料及其制造方法、及使用了该正极材料的非水系电解质二次电池 | |
JP5842596B2 (ja) | 非水電解液二次電池用正極組成物及び非水電解液二次電池用正極スラリーの製造方法 | |
JP6575048B2 (ja) | 非水電解液二次電池用正極組成物、非水電解液二次電池、及び非水電解液二次電池用正極組成物の製造方法。 | |
US10516159B2 (en) | Positive electrode active material for nonaqueous secondary battery | |
JP6554780B2 (ja) | 非水電解液二次電池用正極組成物及びその製造方法 | |
WO2011129066A1 (ja) | リチウムイオン二次電池 | |
WO2017034001A1 (ja) | 非水系電解質二次電池用正極活物質とその製造方法、および非水系電解質二次電池 | |
JP2019096612A (ja) | リチウム二次電池用正極活物質 | |
JP7262419B2 (ja) | 非水系電解質二次電池用正極活物質、および非水系電解質二次電池 | |
JP6191351B2 (ja) | 非水電解液二次電池用正極活物質及びそれを用いた非水電解液二次電池 | |
JP2018195419A (ja) | 非水系電解質二次電池用正極材料、該正極材料を用いた非水系電解質二次電池、および非水系電解質二次電池用正極材料の製造方法。 | |
JP6233101B2 (ja) | 非水電解液二次電池用正極活物質 | |
JP2017188312A (ja) | 非水系電解質二次電池用正極材料、該正極材料を用いた非水系電解質二次電池、および非水系電解質二次電池用正極材料の製造方法。 | |
JP6852747B2 (ja) | 非水電解液二次電池用正極組成物、非水電解液二次電池、及び非水電解液二次電池用正極組成物の製造方法。 | |
JP5958119B2 (ja) | 非水電解液二次電池用正極組成物 | |
JP6273707B2 (ja) | 非水電解液二次電池用正極活物質及びそれを用いた非水電解液二次電池 | |
JP6156078B2 (ja) | 非水電解液二次電池用正極活物質の製造方法、非水電解液二次電池用正極及び非水電解液二次電池 | |
JP6819860B2 (ja) | 非水系電解質二次電池用正極材料、該正極材料を用いた非水系電解質二次電池、および非水系電解質二次電池用正極材料の製造方法。 | |
JP2018073563A (ja) | 非水系電解質二次電池用正極材料、該正極材料を用いた非水系電解質二次電池、および非水系電解質二次電池用正極材料の製造方法。 | |
JP2001196060A (ja) | リチウム二次電池用電極 | |
JP2017079156A (ja) | 非水系二次電池用正極組成物 | |
KR20230032830A (ko) | 정극 활물질, 고온 동작형 리튬 이온 폴리머 이차 전지, 고온 동작형 리튬 이온 무기 전고체 이차 전지 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201180031285.X Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11798042 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 20127025328 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011798042 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112012032891 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: 112012032891 Country of ref document: BR Kind code of ref document: A2 Effective date: 20121221 |