WO1998057386A1 - Cellule secondaire a electrolyte non aqueux - Google Patents
Cellule secondaire a electrolyte non aqueux Download PDFInfo
- Publication number
- WO1998057386A1 WO1998057386A1 PCT/JP1998/002541 JP9802541W WO9857386A1 WO 1998057386 A1 WO1998057386 A1 WO 1998057386A1 JP 9802541 W JP9802541 W JP 9802541W WO 9857386 A1 WO9857386 A1 WO 9857386A1
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- WO
- WIPO (PCT)
- Prior art keywords
- carbonate
- aqueous electrolyte
- secondary battery
- electrolyte secondary
- solvent
- Prior art date
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Classifications
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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
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0569—Liquid materials characterised by the solvents
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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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
- H01M2300/0028—Organic electrolyte characterised by the solvent
- H01M2300/0037—Mixture of solvents
- H01M2300/004—Three solvents
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, and a non-aqueous electrolyte, and more particularly to a lithium-containing titanium oxide used as a negative electrode material in the negative electrode.
- the present invention relates to a non-aqueous electrolyte secondary battery having improved cell characteristics.
- Non-aqueous electrolyte secondary batteries with a high electromotive force using a non-aqueous electrolyte as the electrolyte and utilizing oxidation and reduction of lithium have come to be used.
- the need for batteries with an operating voltage of about 2.5 V has increased with the reduction in the voltage of IC circuits, and the development of batteries with such operating voltages of about 2.5 V has been developed. Is being done.
- lithium cobaltate is used as a positive electrode material in the positive electrode, while L is used as a negative electrode material in the negative electrode.
- a proposal has been made to improve the cycle characteristics of this non-aqueous electrolyte secondary battery by using i ⁇ ⁇ 0 and adjusting the ratio of the positive electrode material and the negative electrode material to an appropriate range. .
- lithium cobaltate used as the cathode material has the disadvantage that it is very expensive, and when charged / discharged, it tends to overdischarge, and its cycle characteristics are poor. The problem of getting worse was.
- the present inventors used a lithium-containing titanium oxide as a negative electrode material and a lithium-containing cobalt oxide as a positive electrode material in a non-ice electrolyte secondary battery having an operating voltage of about 2.5 V.
- the use of inexpensive lithium-containing nickel oxide was studied.
- lithium-containing nickel oxide is used for the positive electrode material
- the charge / discharge efficiency is reduced
- lithium-containing titanium oxide is used for the negative electrode material, as in the case of the above-mentioned lithium-containing cobalt oxide.
- An object of the present invention is to solve the above-described problems in a non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, and a non-aqueous electrolyte, and a negative electrode material in the negative electrode It is an object of the present invention to suppress the occurrence of overdischarge when a lithium-containing titanium oxide is used for a nonaqueous electrolyte battery having excellent cycle characteristics. Disclosure of the invention
- a first nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte, and uses a lithium-containing nickel composite oxide as a main component of the positive electrode material in the positive electrode.
- a lithium-containing titanium oxide is used as a main component of the negative electrode material in the negative electrode, and the solvent in the non-aqueous electrolytic solution contains a cyclic carbonate and a chain carbonate.
- Each of the solvents was contained at 10% by volume or more of the entire solvent, and the combined solvent of the cyclic carbonate and the chain carbonate was contained at 60% by volume or more of the entire solvent.
- the solvent in the non-aqueous electrolyte contains cyclic carbonate and chain carbonate in an amount of 10% by volume or more based on the entire solvent.
- the solvent in the non-aqueous electrolyte and the above-described positive electrode material and negative electrode material are used. In the meantime, the occurrence of a side reaction that reduces the capacity is suppressed, and the cycle characteristics of the nonaqueous electrolyte secondary battery are improved.
- the reason why the solvent in the non-aqueous electrolyte solution contains the cyclic carbonate and the chain carbonate each in an amount of 10% by volume or more of the whole solvent is as follows. If the amount of cyclic carbonate is less than this, the ionic conductivity of the non-aqueous electrolyte decreases and the cycle characteristics deteriorate, and if the amount of chain carbonate is less than this, non-aqueous This is because the higher the viscosity of the electrolyte, the lower the ion conductivity and the worse the cycle characteristics.
- the lithium-containing nickel composite oxide used as a positive electrode material in the positive electrode suppresses overdischarge in the nonaqueous electrolyte secondary battery and reduces the size.
- the lithium-containing nickel composite oxide used as a positive electrode material in the positive electrode suppresses overdischarge in the nonaqueous electrolyte secondary battery and reduces the size.
- M is a transition metal or at least one element selected from B, A 1, S i, P, and 0 ⁇ x ⁇ 0.5 It satisfies the relationship.
- M is a transition metal or at least one element selected from B, A 1, S i, P, and 0 ⁇ x ⁇ 0.5 It satisfies the relationship.
- M is selected from Co, Ti, V, ⁇ , Fe, S ⁇ , ⁇ , A1, Si, ⁇ It is preferable to use one composed of at least one element.
- lithium-containing nickel composite oxide used in the cathode material for example, L i N i ⁇ 2, L i N i 8 C o. . 2 0 2, L i N i 0. A 1 o. 0, L i N io. T ic. 0, L i N i 8 V 0, L i N i C r.. 0, L i N i 8 N n, 0, L i N i 8 Fe. . 0, L i N i C u 0 L i N i Z n 0 2, L i N i N bo 0 L i N io. M oo. 2 0 2, L i N io. S S no. 2 0 2 L iNiW0, LiNiCoTi. . 2 0 2, L i N i M n! A 1 0 , and the like.
- lithium-containing titanium oxide used in the negative electrode material e.g., L i 4 T i 0 L i T i ⁇ 8, and the like.
- ethylene carbonate, propylene carbonate, butylene carbonate and the like can be used, and particularly, ethylene carbonate, Preference is given to using propylene carbonate.
- chain carbonate dimethyl carbonate, methyl ethyl carbonate, methyl propyl carbonate, methyl isopropyl carbonate, getyl carbonate, ethyl propyl carbonate, ethyl isopropyl
- one carbonate can be used, it is particularly preferable to use dimethyl carbonate, methylethyl carbonate, methylpropyl carbonate, and getyl carbonate.
- a solvent other than the above-mentioned cyclic carbonate and chain carbonate can be added to the solvent in the non-aqueous electrolyte.
- a solvent include 1,2-diethoxytan, 1,2-Dimethoxetane, ethoxymetixetane, and other solvents generally used in conventional non-aqueous electrolyte secondary batteries can be used.
- the solvent including the above-mentioned cyclic carbonate and chain carbonate is adjusted to be 80% by volume or more with respect to the entire solvent, the non-aqueous electrolyte and the positive electrode material or the negative electrode material may be mixed. In this case, the occurrence of a side reaction that decreases the capacity is further suppressed, and the cycle characteristics are further improved.
- the solute to be dissolved in the above-mentioned solvent a known one that has been conventionally used in a non-aqueous electrolyte secondary battery is used.
- the separator for separating the positive electrode and the negative electrode is made of polypropylene, polyethylene, or the like which has been generally used conventionally.
- a microporous membrane / nonwoven fabric or the like can be used, or a solid electrolyte using polyethylene oxide / polyvinylidene fluoride or the like can be used by impregnating the above non-aqueous electrolyte.
- a second non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a non-aqueous electrolyte
- the lithium-containing nickel composite oxide represented by Lithium-containing titanium oxide was used as a component, and the solvent in the above nonaqueous electrolyte contained 10% by volume or more of cyclic carbonate.
- the lithium-containing nickel composite oxide contains a predetermined amount of Mn, and the solvent in the non-aqueous electrolyte contains 10% by volume or more of cyclic carbonate.
- the cycle characteristics are improved as in the case of the first nonaqueous electrolyte secondary battery described above, and the cost of the cathode material is improved. Can be cheaper than in the case of the first nonaqueous electrolyte secondary battery.
- the cyclic carbonate used as the solvent in the nonaqueous electrolyte includes ethylene carbonate, propylene carbonate, butylene carbonate, and the like. Can be used. Especially, ethylene carbonate and propylene carbonate are used. Is preferred.
- the cyclic carbonate when used as the solvent in the non-aqueous electrolyte, the cyclic carbonate is contained in the solvent in the non-aqueous electrolyte in a range of 30 to 70% by volume.
- the occurrence of a side reaction that reduces the capacity between the nonaqueous electrolyte and the positive electrode material or the negative electrode material is further suppressed, and the cycle characteristics are further improved.
- FIG. 1 is an explanatory cross-sectional view showing an internal structure of a nonaqueous electrolyte secondary battery produced in an example of the present invention and a comparative example.
- nonaqueous electrolyte secondary battery according to the present invention will be specifically described with reference to examples, and a comparative example will be described in which the cycle characteristics of the nonaqueous electrolyte secondary battery in this example are improved. I will clarify it.
- the non-aqueous electrolyte secondary battery according to the present invention is not particularly limited to those shown in the following examples, but can be implemented by appropriately changing the scope of the invention without changing its gist.
- Examples A1 to A4 and Comparative Examples Q1 to Q3 a positive electrode and a negative electrode were prepared as described below, and a non-aqueous electrolyte was prepared as described below.
- a cylindrical non-aqueous electrolyte secondary battery of A A size as shown in Fig. 1 was fabricated.
- Li N i is used as the positive electrode material. . 8 Co 20 , this Li N i. . 8 C o, 0, and artificial graphite as conductive agent, binding
- the mixture is mixed with polyvinylidene fluoride at a weight ratio of 90: 5: 5, and N-methyl-2-pyrrolidone (NMP) is added thereto to form a slurry.
- NMP N-methyl-2-pyrrolidone
- Li 4 Ti 0 12 was used as the negative electrode material, and Li Ti 0, artificial graphite as a conductive agent, and polyvinylidene fluoride as a binder were used.
- the mixture was mixed at a weight ratio of 0: 5: 5, and the above-mentioned ⁇ was added thereto to form a slurry. This was vacuum dried at 150 ° C. for 2 hours to produce a negative electrode.
- the solvents used are ethylene carbonate (EC), which is a cyclic ester carbonate, and dimethyl carbonate (DMC), which is a chain carbonate, and other solvents.
- EC ethylene carbonate
- DMC dimethyl carbonate
- 1,2-Dimethoxetane (DME) which is a solvent of the formula (1), was mixed at a volume ratio shown in Table 1 below, and xafluorophosphoric acid was added to each of these mixed solvents.
- lithium ⁇ beam L i PF 6 was prepared each of the non-aqueous electrolyte solution was dissolved in a proportion of i mol / 1.
- a porous film made of polypropylene was interposed as a separator 3 between the positive electrode 1 and the negative electrode 2 produced as described above. Is wound in a spiral shape and accommodated in each battery can 4, each non-aqueous electrolyte solution prepared as described above is poured into each battery can 4, and the battery is sealed.
- the negative electrode 2 is connected to the battery can 4 via the negative electrode lead 7 while the negative electrode 2 is connected to the positive external terminal 6 via the lead 5.
- the terminal 6 and the battery can 4 were electrically separated by the insulating packing 8 to produce each nonaqueous electrolyte secondary battery.
- each of the non-aqueous electrolyte secondary batteries of Examples A1 to A4 and Comparative Examples Q1 to Q3 produced as described above was charged at a charging current of 500 mA and a charge ending voltage of 2.7.
- the battery is discharged to a discharge end voltage of 1.2 V with a discharge current of 500 mA, and this cycle is defined as one cycle.
- the solvent in the non-aqueous electrolyte contains ethylene carbonate as a cyclic carbonate and dimethyl carbonate as a chain carbonate in an amount of 10% by volume or more, respectively.
- Each of the non-aqueous electrolyte secondary batteries of Examples A1 to A4 using a mixed solvent in which the ratio of the solvent obtained by combining the ethylene carbonate and dimethyl carbonate was 60% by volume or more was a non-aqueous electrolyte.
- the solvent obtained by combining ethylene carbonate which is a cyclic carbonate and dimethyl carbonate which is a chain carbonate was a solvent.
- the cycle deterioration rate was further reduced, and the cycle characteristics were further improved.
- Each non-aqueous electrolyte secondary battery was manufactured using a mixed solvent in which 1,2-dimethoxetane (DME) was mixed at a volume ratio of 40:40:20.
- DME 1,2-dimethoxetane
- Example B 1 L 1 N i ⁇ 40: 40: 20 0. 0 7
- Example ⁇ 10 L ⁇ N i A 1 o. ⁇ 4 0 4 0 2 0 0. 0 6
- R 1 L i C o 0 4 0 4 0 2 0 0 .2
- each of the nonaqueous electrolyte secondary batteries of Examples 1 to 13 in which a lithium-containing nickel composite oxide was used as the positive electrode material had a Li Co0 not containing nickel in the positive electrode material.
- the cycle deterioration rate was significantly lower, and the cycle characteristics were significantly improved.
- the positive electrode material As the positive electrode material, the above-mentioned LiNi—M0 (where M is Co, T It is at least one element selected from i, V, Mn, Fe, Sn, B, A1, Si, and P, and satisfies the relationship 0 ⁇ x ⁇ 0.5.
- the positive electrode material in which the above X value was 0.6 was used.
- the cycle deterioration rate was higher than the non-aqueous electrolyte secondary battery of Example B3 and the non-aqueous electrolyte secondary battery of Example B13 in which Cu was added in addition to Li and Ni. And the cycle characteristics were further improved.
- Examples C1 to C8 in the preparation of the non-aqueous electrolyte solution in Examples A1 to A4 and Comparative Examples Q1 to Q3, the cyclic carbonate and chain carbonate used in the solvent were used. The types were changed as shown in Table 3 below.Otherwise, non-aqueous electrolyte secondary batteries were fabricated in the same manner as in Examples A1 to A4 and Comparative Examples Q1 to Q3. did.
- Example C1 the solvent including the cyclic carbonate and the chain carbonate in the solvent of the nonaqueous electrolytic solution was adjusted to have a volume ratio of 80% by volume.
- the cyclic carbonate was replaced by propylene carbonate (PC)
- the cyclic carbonate was replaced by EC and PC
- the cyclic ester carbonate was removed.
- the chain carbonate is methylpropyl carbonate (MPrC)
- the chain carbonate is getylcaprate.
- Example C6 the chain carbonate is DMC and DEC
- Example C6 the cyclic carbonate is butylene carbonate (BC) in Example C7, and in Example C8. Is Ethyl propyl carbonate for chain carbonate
- the cyclic carbonate in the solvent of the non-aqueous electrolyte described above was found to have ethylene carbonate (EC) and propylene.
- EC ethylene carbonate
- DMC dimethyl carbonate
- MEC methyl ethyl carbonate
- MPrC methyl propyl carbonate
- the nonaqueous electrolyte batteries of Examples C1 to C6 using carbonate (DEC) are the same as the nonaqueous electrolyte secondary battery of Example C7 using butylene carbonate (BC) as the cyclic carbonate, or a chain. Cycle deterioration rate is lower than that of the non-aqueous electrolyte secondary battery of Example C8 using ethyl propyl carbonate (EPrC) as the carbonic acid ester. Was even better.
- Examples D1 to D5 and Comparative Examples S1 and S2 in the production of the positive electrodes in Examples A1 to A4 and Comparative Examples Q1 to Q3, the type of the positive electrode material used was changed.
- Mn y M z 0, where M is at least selected from C o, T i, V, F e, S n, B, A 1, S i, P Is also a kind of element, and satisfies the relations x y + z, X ⁇ 0.6, 0.05 ⁇ y ⁇ 0.3.) 4 M n C o. .
- Example D 5 100: 0 0.08 Comparative Example S 10: 100 0 0.34
- Example E 1 and E 2 as in the cases of Examples D 1 to D 5 described above, the cathode material was Li Ni. While using 4 MnCo0, in the non-aqueous electrolyte, instead of ethylene carbonate (EC) as the cyclic carbonate in the solvent, as shown in Table 5 below, In Example E1, propylene carbonate (PC) was used, and in Example E2, propylene carbonate was used.
- EC ethylene carbonate
- PC propylene carbonate
- Li N i was used as the cathode material.
- the non-aqueous electrolyte secondary batteries of Example E 1 E 2 in which 4 MnCo0 was used and the cyclic carbonate was contained in the solvent in the non-aqueous electrolyte at 10% by volume or more The cycle characteristics were remarkably improved due to the extremely low cycle deterioration rate.
- Other positive electrode materials such as L i N i 5 M n C o . . 20 , and Similar results were obtained when L i N i M n CO 0 was used.
- Example F 1 and F 2 and Comparative Examples T 1 and T 2 as shown in Table 6 below, L used as the positive electrode material in Examples D 1 to D 5 was used as the positive electrode material.
- N i in the 2 While the same proportion of N i in the 2, with those obtained by changing the proportions of M n and C o, otherwise, as with previous SL of Example D 3 of a non-aqueous electrolyte
- Each non-aqueous electrolyte secondary battery is manufactured using a solvent in which ethylene solvent (EC) and 1,2-dimethoxetane (DME) are mixed at a volume ratio of 50:50 to the solvent in the liquid. did.
- EC ethylene solvent
- DME 1,2-dimethoxetane
- Each of the nonaqueous electrolyte secondary batteries of Examples F 1 and 2 and Comparative Examples D 1 and T 2 manufactured in this way also has the same structure as that of Examples D 1 to D 5 described above. 0 Deterioration rate of discharge capacity per cycle up to 0 cycles
- Example D 3 L i N i M n o. A C o o. 3 0 2 0. 0 5
- Example F 1 L i N i o. M n o. 05 C oo 0. 0 6
- Example F 2 L i N i M n C o. 0 0 .05 Comparative Example T1LiNiMnC0.s00.24 Comparative Example T2LiNiMno.asC ⁇ . ⁇ ⁇ 0. 2 2
- the nonaqueous electrolyte secondary batteries of Examples D3, F1, and F2 using the material were the nonaqueous electrolytes of Comparative Example T1 using the positive electrode material having the above y value of 0.03. Comparative example using electrolyte secondary battery or positive electrode material with y value of 0.35
- the non-aqueous electrolyte secondary battery of T2 has a significantly lower cycle deterioration rate and cycle characteristics. It was significantly improved.
- the solvent in the non-aqueous electrolyte was ethylene carbonate and 1,2-dimethoxetane in a volume ratio of 50:50.
- the same effect can be obtained as long as the solvent contains at least 10% by volume of cyclic carbonate.
- propylene carbonate and 1,2-dimethoxetane can be used in combination.
- a solvent mixed at a volume ratio of 0:60 or a solvent obtained by mixing ethylene carbonate, propylene carbonate, and 1,2 dimethoxetane at a volume ratio of 30:30:40 is used. The same result was obtained in the case where there was.
- Example Gl and G2 and Comparative Examples U1 to U4 as shown in Table 7 below, as the positive electrode material, L used for the positive electrode material in Examples D1 to D5 was used. i N i. 4 M n C o. . 3 0 N i in the 2, with those obtained by changing the proportions of Mn and C o, otherwise, as in Example D 3 above, the solvent in the nonaqueous electrolytic solution ethylene Nkabone bets ( Each non-aqueous electrolyte secondary battery was fabricated using a solvent in which EC) and 1,2-dimethoxetane (DME) were mixed at a volume ratio of 50:50.
- DME 1,2-dimethoxetane
- the solvent in the nonaqueous electrolyte was ethylene carbonate and 1,2-dimethoxethane.
- the lithium-containing nickel composite oxide is used as the main component of the positive electrode in the positive electrode, and the main component of the negative electrode material in the negative electrode is used.
- the solvent in the non-aqueous electrolyte contains at least 10% by volume of the cyclic carbonate and the chain carbonate with respect to the entire solvent, respectively. Since the solvent containing 60% by volume or more of the solvent combined with the chain carbonate was used, the ion conductivity in this non-aqueous electrolyte was not reduced, and this non-aqueous electrolyte was not used.
- a non-aqueous electrolyte having excellent cycle characteristics is suppressed between the solvent in the electrolytic solution and the above-described positive electrode material or negative electrode material, by suppressing the occurrence of a side reaction that reduces the capacity. Degraded secondary batteries can be obtained.
- non-aqueous electrolyte secondary battery having excellent cycle characteristics can be obtained, and the amount of Ni in the lithium-containing nickel composite oxide is reduced to reduce the cost of the cathode material as the first non-aqueous electrolyte. It can be cheaper than secondary batteries.
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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KR10-1999-7008137A KR100491180B1 (ko) | 1997-06-12 | 1998-06-08 | 비수 전해질 2차전지 |
CA002283393A CA2283393C (en) | 1997-06-12 | 1998-06-08 | Non-aqueous electrolyte secondary battery |
US09/380,215 US6436577B1 (en) | 1997-06-12 | 1998-06-08 | Non-aqueous electrolytic secondary cell |
EP98923182A EP0989622B1 (en) | 1997-06-12 | 1998-06-08 | Non-aqueous electrolytic secondary cell |
DE69802282T DE69802282T2 (de) | 1997-06-12 | 1998-06-08 | Nichtwässrige elektrolytische sekundärzelle |
JP50208999A JP3685500B2 (ja) | 1997-06-12 | 1998-06-08 | 非水電解質二次電池 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP15543697 | 1997-06-12 | ||
JP9/155436 | 1997-06-12 |
Publications (1)
Publication Number | Publication Date |
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WO1998057386A1 true WO1998057386A1 (fr) | 1998-12-17 |
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ID=15605998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP1998/002541 WO1998057386A1 (fr) | 1997-06-12 | 1998-06-08 | Cellule secondaire a electrolyte non aqueux |
Country Status (7)
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US (1) | US6436577B1 (ja) |
EP (1) | EP0989622B1 (ja) |
JP (1) | JP3685500B2 (ja) |
KR (1) | KR100491180B1 (ja) |
CA (1) | CA2283393C (ja) |
DE (1) | DE69802282T2 (ja) |
WO (1) | WO1998057386A1 (ja) |
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US7935443B2 (en) | 2001-06-27 | 2011-05-03 | Panasonic Corporation | Lithium nickel-manganese-cobalt oxide positive electrode active material |
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US7816036B2 (en) | 2001-09-13 | 2010-10-19 | Panasonic Corporation | Positive electrode active material and non-aqueous electrolyte secondary cell comprising the same |
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US7541114B2 (en) | 2002-03-01 | 2009-06-02 | Panasonic Corporation | Anode active material, manufacturing method thereof, and non-aqueous electrolyte secondary battery |
US7217475B2 (en) | 2002-10-10 | 2007-05-15 | Sanyo Electric Co., Ltd. | Non-aqueous electrolyte secondary battery |
US7722989B2 (en) | 2003-11-07 | 2010-05-25 | Panasonic Corporation | Non-aqueous electrolyte secondary battery with a positive active material comprising primary particles and secondary particles made of the primary particles |
US7939200B2 (en) | 2003-11-07 | 2011-05-10 | Panasonic Corporation | Non-aqueous electrolyte secondary battery |
JP2012084552A (ja) * | 2012-02-01 | 2012-04-26 | Gs Yuasa Corp | 非水電解質二次電池用正極活物質およびそれを用いた非水電解質二次電池 |
JP2015195182A (ja) * | 2014-03-26 | 2015-11-05 | 株式会社デンソー | 正極材料,非水電解質二次電池用正極及び非水電解質二次電池 |
WO2015146098A1 (ja) * | 2014-03-26 | 2015-10-01 | 株式会社デンソー | 正極材料,非水電解質二次電池用正極及び非水電解質二次電池 |
WO2018043436A1 (ja) * | 2016-08-30 | 2018-03-08 | 国立研究開発法人産業技術総合研究所 | 異種金属含有リチウムニッケル複合酸化物及びその製造方法 |
JPWO2018043436A1 (ja) * | 2016-08-30 | 2019-06-24 | 国立研究開発法人産業技術総合研究所 | 異種金属含有リチウムニッケル複合酸化物及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
DE69802282D1 (de) | 2001-12-06 |
DE69802282T2 (de) | 2002-07-18 |
KR20000076049A (ko) | 2000-12-26 |
EP0989622B1 (en) | 2001-10-31 |
EP0989622A4 (en) | 2000-08-23 |
CA2283393A1 (en) | 1998-12-17 |
JP3685500B2 (ja) | 2005-08-17 |
EP0989622A1 (en) | 2000-03-29 |
CA2283393C (en) | 2004-05-11 |
US6436577B1 (en) | 2002-08-20 |
KR100491180B1 (ko) | 2005-05-24 |
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