WO2006057447A1 - 非水系リチウム二次電池用電解液および非水系リチウム二次電池 - Google Patents
非水系リチウム二次電池用電解液および非水系リチウム二次電池 Download PDFInfo
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- WO2006057447A1 WO2006057447A1 PCT/JP2005/022131 JP2005022131W WO2006057447A1 WO 2006057447 A1 WO2006057447 A1 WO 2006057447A1 JP 2005022131 W JP2005022131 W JP 2005022131W WO 2006057447 A1 WO2006057447 A1 WO 2006057447A1
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- Prior art keywords
- lithium secondary
- secondary battery
- cation
- acid
- tetrafluoroporate
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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
-
- 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
- H01M2300/002—Inorganic electrolyte
- H01M2300/0022—Room temperature molten salts
-
- 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 an electrolyte for a non-aqueous lithium secondary battery and a non-aqueous lithium secondary battery using the same.
- lithium secondary batteries are expected to be applied in the fields of power leveling power sources and auxiliary power sources for automobiles from the viewpoint of energy density, and long life and high reliability are desired.
- Current lithium secondary batteries are generally ceramic oxides capable of inserting and removing lithium ions as positive electrode active materials, lithium metals or lithium alloys as negative electrodes, carbon materials that absorb and release lithium ions, silicon materials, and electrolytes. As a solution in which a lithium salt is dissolved in an organic solvent.
- electrolytes using organic solvents are more resistant to electrochemical oxidation / reduction than aqueous electrolytes used in lead-acid batteries, but are more volatile and more flammable. It was a problem.
- Room temperature molten salt is a liquid formed only from ions and has characteristics such as non-volatility and flame retardancy.
- a typical example of a room temperature molten salt is 1-ethyl-3-methylimidazole tetrafluoroporate (EMI-BF 4 ).
- EMI-BF 4 1-ethyl-3-methylimidazole tetrafluoroporate
- imidazolium salts decompose at a higher potential than lithium, it has been considered difficult to apply to lithium secondary batteries.
- stable room temperature molten salts have been studied over a wider potential range. ing.
- Non-Patent Document 1 a salt composed of bis (trifluoromethanesulfonyl) imido anion and an aliphatic ammonium cation contains a compound having a melting point of room temperature or lower, and has electrochemical stability. It has been shown to be improved. Patent Document 1 states that aliphatic quaternary ammonium-based room temperature molten salts can be applied to lithium secondary batteries, but there is no specific mention regarding the technology applied to lithium secondary batteries.
- Non-Patent Document 2 reports the characteristics of a lithium secondary battery using an aliphatic quaternary ammonium-based room temperature molten salt as the electrolyte, but the battery characteristics are not fully satisfactory. .
- Patent Document 1 Japanese Patent No. 2 9 8 1 5 4 5
- Non-patent literature 1 Ion ics, v o l .3, p 3 5 6 (1 9 9 7)
- Non-patent literature 2 Abstracts of the 4th Battery Conference, 3D 0 7
- An object of the present invention is to provide an electrolyte for a non-aqueous lithium secondary battery excellent in electrochemical stability.
- Another object of the present invention is to provide a non-aqueous lithium secondary battery having very good battery characteristics. Disclosure of the invention
- the present invention relates to the following inventions.
- An electrolyte for a non-aqueous lithium secondary battery comprising a room temperature molten salt, a lithium salt, and a compound having a hydroxyl group.
- Room temperature molten salt is tetraalkylammonium cation, tetraalkylphosphonium cation, imidazolium cation, pyrazolium cation, pyridi
- Non-aqueous lithium nickel which is a salt composed of a cation selected from a cation, a triazolium cation, a pyridazinium cation, a thiazolium cation, an oxazolium cation, a pyrimidinium cation, and a pyrazinium cation, and a fluorine-containing anion.
- Secondary battery electrolyte is a salt composed of a cation selected from a cation, a triazolium cation, a pyridazinium cation, a thiazolium cation, an oxazolium cation, a pyrimidinium cation, and a pyr
- An electrolyte for a nonaqueous lithium secondary battery wherein the compound having a hydroxyl group is a boric acid compound or an alcohol.
- Electrolyte for non-aqueous lithium secondary battery whose normal temperature molten salt is 1ethyl _ 3 -methylimidazole tetrafluoroborate.
- the present inventors added a small amount of a compound having a hydroxyl group to an electrolyte for a non-aqueous lithium secondary battery composed of a room temperature molten salt and a lithium salt, thereby improving the efficiency of the non-aqueous lithium secondary battery containing the room temperature molten salt. was found to be very good.
- the electrolyte for nonaqueous lithium secondary batteries and the nonaqueous electrolyte lithium secondary battery of the present invention are excellent in safety and provide stable charge / discharge characteristics.
- the room temperature molten salt used in the present invention is a salt which is formed from a combination of various cations and anions and melts at room temperature.
- the room temperature is 25 ° C because it varies depending on the region.
- the cation constituting the room temperature molten salt used in the present invention include tetraalkyl ammonium cation, tetraalkyl phosphonium cation, imidazolium cation, pyrazolium cation, pyridinium cation, triazolium cation, and pyridadinium. Cations, thiazolium cations, oxazolium And cations such as mucation, pyrimidinium cation, and virazinium cation.
- Tetraalkylammonium cations include tetraethylammonium, tetramethylammonium, tetrapropylammonium, tetraptylammonium, triethylmethylammonium, and trimethylethylammonium.
- Tetraalkylphosphonium cations include tetraethylphosphonium, tetramethylphosphonium, tetrapropylphosphonium, tetrabutylphosphonium, triethylmethylphosphonium, trimethylethylphosphonium, dimethyl ether. Examples include tiljetyl phosphonium, trimethylpropyl phosphonium, trimethylbutyl phosphonium, dimethylethylpropyl phosphonium, and methylethylpropyl butylphosphonium.
- the imidazolium cations include 1,3-dimethylimidazolium, 1-ethyl-3-methylimidazolium, 1,3-decylimidazolium, 1,2-dimethyl-3-ethylimidazolium. , 1,2-dimethyl-3-propylimidazolium, but not limited to these.
- Examples of pyrazolium cations include 1,2-dimethylpyrazolium, 1-methyl-2-ethylpyrazolium, 1-propyl-2-methylpyrazolium, 1-methyl-2-ptylpyrazolium, etc. However, it is not limited to these.
- Pyridinium cations include N-methylpyridinium, N-ethylpyridinium, N-propylpyridinium, and N-butyl. These include, but are not limited to, tilpyridinum.
- Examples of triazolium cations include, but are not limited to, 1-methyltriazolium, 1-ethyltriazolium, 1-propyltriazolium, and 1-propyltriazolium.
- Examples of pyridazinium cations include, but are not limited to, 1-methylpyridazinium, 1-ethylpyridazinium, 1-propylpyridazinium, 1-butylpyridazinium.
- Thiazolium cations include, but are not limited to, 1,2_dimethylthiazolium, 1,2-dimethyl-3_propylthiazolium, and the like.
- Examples of oxazolium cations include, but are not limited to, 1-ethyl-1,2-methyloxazolium, 1,3-dimethyloxazolium, and the like.
- pyrimidinium cations include, but are not limited to, 1,2-dimethylpyrimidinium, 1-methyl-3-propylpyrimidinium, and the like.
- pyrazinium cation examples include, but are not limited to, 1-ethyl-2-methylpyrazinium, 1-butylpyrazinium, and the like. These may be used alone or in combination of two or more.
- Examples of the anion constituting the room temperature molten salt used in the present invention include various known anions, and a fluorine-containing anion is particularly preferable.
- fluorine-containing anions include, for example, BF 4 _, PF 6 —, CF 3 S 3 —, C 2 F 5 S 0 3 , C 3 F 7 S 0 3 , C 4 F 9 S 0 3 _, N (CF 3 S0 2 ) 2 —, N (C 2 F 5 S0 2 ) 2 —, N (CF 3 S0 2 ) (CF 3 CO) ⁇ , N (CF 3 S0 2 ) (C 2 F 5 S0 2 ) — and so on.
- BF 4 , PF 6 , N (CF 3 S 0 2 ) 2 are used. More preferred are BF 4 and N (CF 3 S0 2 ) 2 .
- room temperature molten salts composed of a combination of the above cation and anion include tetraalkyl ammonium tetrafluoroporate, tetraalkylphosphonium tetrafluoroborate, imidazolium tetrafluoroporate.
- Tetraalkylammonium salts include tetraethylammonium tetrafluoroporate, tetramethylammonium tetrafluoroborate, tetrapropylammonium tetrafluoroborate, tetraptylammonium tetrafluoroborate, Triethylmethylammonium tetrafluoroborate, trimethylethylammonium tetrafluoroborate, dimethyljetylammonium tetrafluoroporate, porate, trimethylpropylammonium tetrafluoroporate, trimethylptylammoni Dimethyltetrapropylborate, dimethylethylpropylammoniumtetrafluoroborate, methylethylpropylbutylammoniumtetrafluoropole, N, N-dimethylpyrrolidinumutet rafluo Borate, N-ethyl-N
- Trimethylmethoxymethyl ammonium tetrafluoroporate dimethyl ethyl methoxymethyl ammonium tetrafluoroporate, dimethylpropylmethoxymethyl ammonium tetrafluoroborate, dimethylbutylmethoxymethyl Ruamonium tetrafluoroporate, Jetylmethylmethoxymethylammonium ditetrafluoroborate, Methylethylpropylmethoxymethylammonium tetrafluoroporate, Triethyl methoxymethylammonium tetraph Fluoroborate, Jetylpropylmethoxymethylammonium tetrafluoroporate, Jetylbutylmethoxymethylammonium tetrafluoroporate, Dipropylmethylmethoxymethylammonium tetrafluoroporate, Dipropyrethyl Methoxymethylammonium tetrafluoroporate, tripropyl Methoxymethyl
- Jetylmethylethoxymethylammonium tetrafluoroporate Trie chilletoxymethylammonium tetrafluoroborate, Jetylpropyloxymethylammonium tetrafluoroborate, Jetylbutyletoxy Cityl ammonium tetrafluoroborate, dipropylmethylethoxymethyl ammonium tetrafluoroborate, dipropylethyloxymethyl ammonium tetrafluoroporate, tripropylethoxymethyl ammonium N.
- Methyltetraborate N-Methyl-N-methoxymethylpyrrolidinium, N-Methyl-N-methoxymethylpyrrolidini Umtetrafluoroporate, N—propyl 1 N Methoxymethylpyrrolidinium tetrafluoroporate, N-butyl-N-methoxymethylpyrrolidinium tetrafluoroborate, N-methyl-N-ethoxymethylpyrrolidinium tetrafluoroporate, N-methyl-N monopropoxymethylpyrrolidinium tetrafluoroporate, N-methyl-N- Butoxymethylpyrrolidinium tetrafluoroporate, N-methyl-N-methoxymethylpiperidinium tetrafluoroborate, N-ethyl-N-methoxymethylpyrrolidinium tetrafluoroporate, N— Methyl N-ethoxymethyl pyrrolidinium tetra
- Tetraalkyl phosphonium salts include tetraethyl phosphonium tetrafluoroborate, tetramethylphosphonium tetrafluoroborate, tetrapyl phosphonium tetrafluoroborate, tetrabutylphosphonium.
- imidazolium salts include 1,3-dimethylimidazolium tetrafluoroporate, 1-ethyl-3-methylimidazoletetrafluoroporate, 1,3_jetylimidazolium tetrafluoroporo Examples include, but are not limited to, 1,2-dimethyl-3-ethylimidazolium tetrafluoroporate, 1,2-dimethyl-3-propylimidazolium tetrafluoroporate, and the like.
- pyrazolium salts include 1,2-dimethylpyrazolium tetrafluoroporate, 1-methyl-2-ethylvirazolium tetrafluoroporate, 1-propyl pill-2-methylvirazolium.
- Examples include, but are not limited to, tetrafluorobore, 1-methyl-2-butyrvirazolium tetrafluoroporate.
- Pyridinium salts include N-methylpyridinium tetrafluoroporate, N-ethylpyridinium tetrafluoroporate, N-propylpyridinumute Examples include, but are not limited to, trafluoroborate and N-butylpyridinium tetrafluorobore.
- triazolium salts examples include 1-methyltriazolium tetrafluoroporate, 1-ethyltriazolium tetrafluoroporate, 1-propyltriazolium tetrafluoroporate, and 1-pentyltriazolium. Examples include, but are not limited to, tetrafluoroborate.
- Pyridazinum salts include 1-methylpyridazinium tetrafluoroporate, 1-ethylpyridazinumte fluorborate, 1-propylpyridazinium tetrafluoroborate, 1 butyl Examples include, but are not limited to, pyridazinum tetrafluoroporate.
- Examples of thiazolium salts include, but are not limited to, 1,2-dimethylthiazolium tetrafluoroborate, 1,2-dimethyl_3_propylthiazolium tetrafluoroporate, and the like.
- Examples of the oxazolium salt include, but are not limited to, 1_ethyl-2-methyloxazolium tetrafluoroporate, 1,3-dimethyloxazolium tetrafluoroborate, and the like.
- Examples of pyrimidinium salts include, but are not limited to, 1,2-dimethylpyrimidinium tetrafluoroborate, 1-methyl-3-propylpyrimidinium tetrafluoroborate, and the like.
- pyrazinium salt examples include, but are not limited to, 1-ethyl-2-methylpyrazinium tetrafluoroporate, 1-butylpyrazinium tetrafluoroborate, and the like. These may be used alone or in combination of two or more.
- lithium salts composed of lithium and anions can be used in the present invention.
- the anion include various known anions, and a fluorine-containing anion is particularly preferable.
- Specific examples of the fluorinated anion include the same anions as described in the anions constituting the room temperature molten salt.
- specific examples of the lithium salt L i BF 4, L i PF 6, L i CF 3 S0 3, L i C 2 F 5 S_ ⁇ 3, L i C.
- the lithium salt concentration is usually from 0.1 to 2.0 M, preferably from 0.15 to; 1.5 M, more preferably from 0.2 to 1.2 M, particularly preferably from 0.3 to 1.0 M.
- the lithium salt concentration is less than 0.1M, lithium ions are depleted near the electrode when the current is large, and sufficient electrodeposition cannot be performed.
- the lithium ion concentration exceeds 2.0 M, the viscosity of the electrolytic solution increases, which is not preferable.
- boric acid compounds, phosphoric acid compounds, silicic acid compounds, aluminate compounds, alcohols, carboxylic acids, sulfonic acids, phenols, hydroxides of alkali metals and alkaline earth metals, transition metal hydroxides such as iron and nickel This includes but is not limited to these.
- boric acid compounds, phosphoric acid compounds, silicic acid compounds, and aluminic oxide compounds may form polyboric acid, polyphosphoric acid, polysilicic acid, and polyaluminic acid, respectively, by dehydrating the hydroxyl groups contained therein.
- a salt composed of a combination with lithium ion or ammonium ion is also included.
- a salt composed of a combination with lithium ion or ammonium ion is also included.
- boric acid compounds, phosphoric acid compounds and alcohols can be mentioned.
- boric acid compounds include boric acid, metaboric acid, tetraboric acid, boric acid monomethyl, boric acid esters such as dimethyl borate, and compounds in which a part of hydroxyl groups such as BF 3 OH are substituted with fluorine. be able to.
- alkali metal salts such as lithium, sodium and potassium, alkaline earth metal salts such as magnesium and calcium, and ammonium salts of the above compounds can be used.
- Preferable examples include boric acid, tetraboric acid, BF 3 OH and lithium salts thereof. More preferable examples include boric acid and lithium tetraborate.
- Examples of phosphoric acid compounds include phosphoric acid, diphosphoric acid, triphosphoric acid, and tetraphosphoric acid.
- Methyl, phosphoric acid esters such as phosphoric acid dimethyl, compounds obtained by substituting a part of hydroxyl groups, such as PF 5 ⁇ _H in full Tsu-containing, and the like.
- alkali metal salts such as lithium, sodium and potassium of the above compounds, alkaline earth metal salts such as magnesium and calcium, ammonium salts and the like can be mentioned.
- Preferable examples include phosphoric acid, PF 5 OH and lithium salts thereof.
- Examples of the silicic acid compound include silicic acid, mesosilicic acid, mesonic silicic acid, mesotrisilicic acid, mesotetrasilicic acid and the like.
- S alkali metal salts of the above compounds such as lithium, sodium and potassium, alkaline earth metal salts such as magnesium and calcium, and ammonium salts.
- Preferable examples include silicic acid and lithium silicate.
- aluminate compound examples include aluminate, its alkali metal salts such as lithium, sodium and potassium, alkaline earth metal salts such as magnesium and calcium, and ammonium salts.
- alkali metal salts such as lithium, sodium and potassium
- alkaline earth metal salts such as magnesium and calcium
- ammonium salts Preferable examples include aluminate and lithium aluminate.
- Examples of the alcohol include methanol, ethanol, n-propanol, iso-propanol, n-butanol, iso-butanol, tert-butanol, monoalcohols having 1 to 6 carbon atoms, ethylene glycol And glycols having 2 to 4 carbon atoms such as propylene glycol.
- Preferable examples include methanol, ethanol, n-propanol and n-butyl alcohol.
- carboxylic acids include formic acid, acetic acid, propionic acid, butyric acid, valeric acid, caproic acid, strong prillic acid, strong purine acid, lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, linoleic acid, linolein C1-C18 aliphatic monocarboxylic acid such as acid, fumaric acid, maleic acid, malonic acid, succinic acid, isonicotinic acid, citric acid, dartaric acid, adipic acid, etc.
- C2-C6 aliphatic hydroxycarboxylic acid, Cyclohexanecarboxylic acid Examples include acid and pyruvic acid.
- sulfonic acids include sulfuric acid, methyl sulfuric acid, benzene sulfonic acid, toluene sulfonic acid, and methane sulfonic acid.
- phenols examples include phenol, o, m, p, —cresol, catechol, resorcin, hydroquinone, xylenol, guaiacol, and salicylic acid.
- the amount of the compound having a hydroxyl group is preferably 30 to 100 ppm with respect to the weight of the electrolyte. Furthermore, 100-200 ppm is preferable, and 200-1000 ppm is particularly preferable. If it is less than 30 p pm, the effect of addition cannot be obtained sufficiently. On the other hand, if it exceeds 1 0 0 0 0 p pm, the battery characteristics will be reduced.
- a non-aqueous lithium secondary battery can be suitably prepared using the electrolytic solution of the present invention obtained above.
- Examples of the shape of the non-aqueous electrolyte lithium secondary battery of the present invention include a coin type, a cylindrical type, a square type, and a laminate type, but are not limited to these shapes.
- a coin-type cell shown in FIG. 1 can be cited.
- a laminate in which the positive electrode 1, the separator 3, the negative electrode 2, and the spacer 7 are stacked in this order from the positive electrode can 4 side is accommodated.
- the electrolyte is impregnated between the positive electrode 1, the separator 3 and the negative electrode 2.
- the positive electrode can 4 and the negative electrode can 5 are caulked to bond them together, and the laminate is sealed.
- positive electrode active materials include L i Co 0 2 , L i N i 0 2 L i N i X _ X Co x 0 2 , L i N i y _ z C o y Mn z 0 2 L i N i . 0, 5 Mn 0 5 0 2, L i Mn_ ⁇ 2 L i Mn 2 0 4 L i N i 0 5 Mn 5 0 complex oxide of lithium and transition metals such as 4; T I_ ⁇ 2 V 2 0 Oxides such as 5 ; sulfides such as T i S 2 F e S.
- composite oxides of lithium and transition metals are preferred.
- the positive electrode is formed by press molding these positive electrode active materials together with known conductive aids and binders, or the positive electrode active materials are mixed with organic solvents such as pyrrolidone together with known conductive aids and binders.
- the paste-like material can be applied to a current collector such as an aluminum foil and then dried.
- lithium metal or an alloy of lithium metal and another metal is used as the negative electrode active material.
- alloys of lithium metal and other metals include Li 1 A 1 Li i Sn Li i Zn Li i Si Li i Cu Li i Fe and the like. These negative electrode materials are used alone or in combination of two or more.
- the negative electrode can be a foil or powder of the above electrode material.
- it can be paste-molded by molding together with known conductive aids and binders, or mixed with pyrrolidone and other organic solvents together with known conductive aids and binders. This can be obtained by coating a current collector such as a foil and then drying.
- the separator there are no particular limitations on the separator as long as the electrolyte is easy to pass through, is an insulator, and is a chemically stable material.
- the electrolytic solution of the present invention is suitable as an electrolytic solution for a non-aqueous lithium secondary battery.
- the non-aqueous electrolyte lithium secondary battery using the electrolytic solution of the present invention is difficult to burn and provides stable charge / discharge characteristics.
- FIG. 1 is a cross-sectional view of a lithium secondary battery.
- FIG. 2 is a schematic diagram of a test apparatus for a negative electrode charge / discharge test.
- Li BF 4 concentration is 0.5 MZL. It was prepared as follows. Boric acid, methanol, n-butanol, and lithium tetraborate were mixed with the obtained solutions in the amounts shown in Table 1 to prepare the electrolytic solution of the present invention. As Comparative Example 1, an electrolyte solution composed of EMI ⁇ BF 4 and Li BF 4 was prepared.
- FIG. 2 shows a schematic diagram of the test equipment.
- the working electrode was an aluminum foil with a thickness of 25 xm, and the counter electrode and the reference electrode were a 200 m lithium foil.
- an electrochemical measurement device HZ-3000, manufactured by Hokuto Denko
- the potential is scanned in a base direction with 1 OmVs- 1 for LiZLi + , and oxidation against the reduction current occurs when lithium precipitates and dissolves.
- the current ratio was calculated as the efficiency.
- Table 1 Table 1 ⁇ table 1 ⁇
- the electrolyte for nonaqueous lithium secondary batteries and the nonaqueous electrolyte lithium secondary battery of the present invention are excellent in safety and provide stable charge / discharge characteristics.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006548017A JP5087279B2 (ja) | 2004-11-26 | 2005-11-25 | 非水系リチウム二次電池用電解液および非水系リチウム二次電池 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004343146 | 2004-11-26 | ||
| JP2004-343146 | 2004-11-26 |
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| Publication Number | Publication Date |
|---|---|
| WO2006057447A1 true WO2006057447A1 (ja) | 2006-06-01 |
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| PCT/JP2005/022131 Ceased WO2006057447A1 (ja) | 2004-11-26 | 2005-11-25 | 非水系リチウム二次電池用電解液および非水系リチウム二次電池 |
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| JP (1) | JP5087279B2 (ja) |
| WO (1) | WO2006057447A1 (ja) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013175457A (ja) * | 2012-01-27 | 2013-09-05 | Gs Yuasa Corp | 非水電解質二次電池 |
| WO2014115195A1 (ja) * | 2013-01-28 | 2014-07-31 | 株式会社Gsユアサ | 非水電解質二次電池 |
| JP2014160552A (ja) * | 2013-02-19 | 2014-09-04 | Gs Yuasa Corp | 非水電解質二次電池 |
| JP2014164831A (ja) * | 2013-02-22 | 2014-09-08 | Gs Yuasa Corp | 非水電解質二次電池 |
| CN110998957A (zh) * | 2017-08-24 | 2020-04-10 | 三井化学株式会社 | 电池用非水电解液及锂二次电池 |
| WO2023054244A1 (ja) | 2021-09-29 | 2023-04-06 | 株式会社日本触媒 | 非水電解液及びその保管方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004071245A (ja) * | 2002-08-02 | 2004-03-04 | Yuasa Corp | 非水電解質電池 |
| JP2004303642A (ja) * | 2003-03-31 | 2004-10-28 | Yuasa Corp | 非水電解質電池 |
| JP2004319817A (ja) * | 2003-04-17 | 2004-11-11 | Sanyo Chem Ind Ltd | 非水電解液用電解質の製造方法 |
| JP2005044685A (ja) * | 2003-07-24 | 2005-02-17 | Yuasa Corp | 非水電解質電池 |
-
2005
- 2005-11-25 WO PCT/JP2005/022131 patent/WO2006057447A1/ja not_active Ceased
- 2005-11-25 JP JP2006548017A patent/JP5087279B2/ja not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004071245A (ja) * | 2002-08-02 | 2004-03-04 | Yuasa Corp | 非水電解質電池 |
| JP2004303642A (ja) * | 2003-03-31 | 2004-10-28 | Yuasa Corp | 非水電解質電池 |
| JP2004319817A (ja) * | 2003-04-17 | 2004-11-11 | Sanyo Chem Ind Ltd | 非水電解液用電解質の製造方法 |
| JP2005044685A (ja) * | 2003-07-24 | 2005-02-17 | Yuasa Corp | 非水電解質電池 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013175457A (ja) * | 2012-01-27 | 2013-09-05 | Gs Yuasa Corp | 非水電解質二次電池 |
| WO2014115195A1 (ja) * | 2013-01-28 | 2014-07-31 | 株式会社Gsユアサ | 非水電解質二次電池 |
| JP2014160552A (ja) * | 2013-02-19 | 2014-09-04 | Gs Yuasa Corp | 非水電解質二次電池 |
| JP2014164831A (ja) * | 2013-02-22 | 2014-09-08 | Gs Yuasa Corp | 非水電解質二次電池 |
| CN110998957A (zh) * | 2017-08-24 | 2020-04-10 | 三井化学株式会社 | 电池用非水电解液及锂二次电池 |
| WO2023054244A1 (ja) | 2021-09-29 | 2023-04-06 | 株式会社日本触媒 | 非水電解液及びその保管方法 |
| KR20240049597A (ko) | 2021-09-29 | 2024-04-16 | 가부시키가이샤 닛폰 쇼쿠바이 | 비수전해액 및 그 보관방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2006057447A1 (ja) | 2008-06-05 |
| JP5087279B2 (ja) | 2012-12-05 |
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