WO1998040923A1 - Batterie a electrolyte non aqueux et procede de charge de celle-ci - Google Patents
Batterie a electrolyte non aqueux et procede de charge de celle-ci Download PDFInfo
- Publication number
- WO1998040923A1 WO1998040923A1 PCT/JP1998/000923 JP9800923W WO9840923A1 WO 1998040923 A1 WO1998040923 A1 WO 1998040923A1 JP 9800923 W JP9800923 W JP 9800923W WO 9840923 A1 WO9840923 A1 WO 9840923A1
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- WO
- WIPO (PCT)
- Prior art keywords
- electrolyte battery
- positive electrode
- aqueous electrolyte
- negative electrode
- lithium
- Prior art date
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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
- H01M4/50—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
- 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
- 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
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
-
- 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
- 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
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
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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
- Non-aqueous electrolyte battery and charging method thereof are non-aqueous electrolyte battery and charging method thereof.
- the present invention relates to a non-aqueous electrolyte battery including a positive electrode, a negative electrode, and a non-aqueous electrolyte.
- a non-aqueous electrolyte battery including a positive electrode, a negative electrode, and a non-aqueous electrolyte.
- titanium oxide or lithium titanate is used as the negative electrode material in the negative electrode
- the non-aqueous electrolyte decomposes to reduce the charging current.
- the present invention relates to a non-aqueous electrolyte battery that can achieve high charge / discharge efficiency without being partially used, and a method for charging the same.
- non-aqueous electrolyte batteries with a high electromotive force that use a non-aqueous electrolyte, such as a non-aqueous electrolyte, and that utilize redox, such as lithium, have been used as one of new types of high-output, high-energy density batteries. became.
- the negative electrode material of the negative electrode is generally lithium metal, a lithium alloy such as a Li-A1 alloy, or a carbon material capable of absorbing and releasing lithium. Was used.
- lithium alloy such as Li-A1 alloy
- generation of dendrites is eliminated, but the flexibility is poor, and the positive electrode and the negative electrode may be wound through a separator. It becomes difficult to manufacture a cylindrical battery.
- this lithium alloy is used in a powder state, there is a problem that the reactivity of the lithium alloy is high and handling becomes difficult.
- the lithium alloy expands and contracts due to the charge and discharge, and stress is generated inside the lithium alloy. If it is performed repeatedly, there is also the problem that the lithium alloy will collapse and the capacity will decrease. I got it.
- the present invention solves the above-mentioned problems in a non-aqueous electrolyte battery provided with a positive electrode, a negative electrode, and a non-aqueous electrolyte, when titanium oxide or lithium titanate is used as a negative electrode material in the negative electrode.
- the purpose is to suppress the decomposition of the non-aqueous electrolyte by the catalytic action of titanium oxide or lithium titanate used for the negative electrode, and to obtain a non-aqueous electrolyte battery with high charge and discharge efficiency. That is the task. Disclosure of the invention
- a polymer electrolyte is provided between the negative electrode and the positive electrode.
- the negative electrode material of the negative electrode known materials can be used as titanium oxide and lithium titanate.
- titanium oxide and lithium titanate known materials can be used as titanium oxide and lithium titanate.
- rutile-type or anatase-type titanium oxide and spinel-type titanium oxide can be used.
- Lithium oxide or the like can be used.
- spinel-type lithium titanate having a layered structure, easy entry and exit of lithium ions, and high charge / discharge efficiency.
- the positive electrode material used for the positive electrode a known positive electrode material capable of inserting and extracting lithium ions can be used.
- Lithium-transition metal composite oxides containing at least one of lithium, nickel, iron, vanadium and niobium can be used.
- ions are deposited on titanium oxide and lithium titanate used for the negative electrode. It is preferable to use a lithium-containing manganese oxide.
- L i M n 0 2 also from the viewpoint of enhancing the batteries capacity, L i 2 M n 0 3 preferably and Mochiiruko manganese dioxide containing.
- manganese dioxide containing the above-described L i 2 M n O a is hydroxide of lithium, lithium nitrate, lithium phosphate, lithium carbonate, the mixture 3 0 0 of lithium salt and manganese dioxide lithium acetate It can be obtained by heat treatment at a temperature in the range of 330.
- the polymer electrolyte provided between the positive electrode and the negative electrode may be a conventionally used polymer electrolyte.
- polyethylene oxide, polypropylene oxide may be used.
- Do Polyethylene A crosslinked product of glycol diatalylate, a crosslinked product of polypropylene glycol diacrylate, a crosslinked product of polyethylene glycol methyl ether acrylate, a crosslinked product of polypropylene glycol methyl ether acrylate and the like can be used.
- solute added to the polymer one electrolyte conventionally solute can be used that are generally used, for example, lithium Torifuruorome evening Nsuruhon acid L i CF a S 0 3, the lithium to Kisafuruororin acid L i PF 6, can have use perchlorate lithium L i C l C, tetrafurfuryl O b lithium borate L i BF 4, the door Rifuruorometa Nsuruhon San'i Mi Dorichiumu L i N (CF a S 0 2) lithium compound such as .
- the solute when adding the above-mentioned solute to the polymer electrolyte, the solute can be added in the state of being dissolved in a solvent.
- a solvent examples include propylene carbonate, ethylene carbonate, carboxylactone, and butylene.
- Organic solvents such as force-ponate, 1,2-dimethoxetane, dimethyl carbonate, and getylcaponate can be used alone or in combination of two or more.
- titanium oxide or lithium titanate is used for the negative electrode as described above, and the above-described polymer electrolyte is used for the non-aqueous electrolyte.
- FIG. 1 is a schematic cross-sectional view showing a structure of a nonaqueous electrolyte battery according to an example of the present invention and a comparative example.
- the nonaqueous electrolyte battery according to the present invention will be specifically described with reference to examples, and in the case of the nonaqueous electrolyte battery in this example, high charge / discharge efficiency can be obtained. Will be clarified by giving a comparative example.
- the nonaqueous electrolyte battery according to the present invention is not limited to those shown in the following examples, but can be appropriately modified and implemented without changing the gist thereof.
- Example 1 In the nonaqueous electrolyte battery in Example 1, a flat electrode having a thickness of 1 mm and a diameter of 20 mm as shown in FIG. 1 was used by using a positive electrode, a negative electrode, and a polymer electrolyte prepared as described below. A coin-type non-aqueous electrolyte battery was fabricated.
- the positive electrode In making the positive electrode, using L i Mn 0 2 powder as a positive electrode material, the the L IMnOs powder, and force one carbon as a conductive agent, and a Poritetorafuruo port ethylene as the binder 90: 6: 4 The mixture was mixed at a weight ratio to prepare a positive electrode mixture, and the positive electrode mixture was pressure-formed to produce a disk-shaped positive electrode.
- the positive electrode 1 prepared as described above was attached to the positive electrode can 3, while the negative electrode 2 was attached to the negative electrode can 4, and the space between the positive electrode 1 and the negative electrode 2 was formed.
- the above-mentioned polymer monoelectrolyte 5 is sandwiched between the above, and the above-mentioned positive electrode can 3 and the negative electrode can 4 are electrically insulated by the insulating packing 6 to form a coin shape.
- a non-aqueous electrolyte battery was manufactured.
- Example 2 as shown in Table 1 below, rutile-type titanium oxide T i 0 2 was used as the negative electrode material in the negative electrode, and in other cases, the case of Example 1 was used.
- a non-aqueous electrolyte battery was produced in the same manner as in the above.
- Example 5 in preparing the positive electrode, manganese dioxide having an average particle diameter of 30 zm or less and lithium hydroxide were adjusted to have a weight ratio of 80:20, and these were mixed in a mortar. The mixture was heat-treated in air at a temperature of 375 ° C. for 20 hours to obtain manganese dioxide containing Li 2 MnOa.
- Example 6 the positive electrode after the constant potential discharge was performed as described above, while the same spinel-type lithium titanate as in Example 1 was used as the negative electrode material, as shown in Table 1 below. using L i 4 T i c 0 12 , it was used to fabricate a non-aqueous electrolyte battery in the same manner as in example 1 above. (Example 6)
- Example 1 As shown in Table 1 below, the same procedure as in Example 5, the positive electrode prepared using manganese dioxide to the positive electrode material containing L i 2 Mn0 3, above As described above, the same rutile-type titanium oxide T i 0 2 as in Example 2 was used as the negative electrode material, while the one discharged at a constant potential to 2.2 V (vs. L i / L i +) was used. Produced a non-aqueous electrolyte battery in the same manner as in Example 1 above.
- Example 7 As shown in Table 1 below, the same procedure as in Example 5, the positive electrode prepared using manganese dioxide to the positive electrode material containing L i 2 Mn0 3, above As described above, while a constant-potential discharge was performed up to 2.2 V (vs. Li / L i +), an anatase-type titanium oxide T i 0 2 as in Example 3 was used as a negative electrode material. Otherwise, a non-aqueous electrolyte battery was manufactured in the same manner as in Example 1 above.
- Comparative Example 1 a positive electrode and a negative electrode were prepared in the same manner as in Example 1 above.
- ethylene was used as the non-aqueous electrolyte instead of the polymer electrolyte.
- Carbonate (EC) and 1,2-dimethoxetant (D ME) and a 1: L i PF e was to use a non-aqueous electrolytic solution obtained by dissolving at a rate of l mo l / 1 in a mixed solvent obtained by mixing at a volume ratio.
- a non-aqueous electrolyte battery was produced in the same manner as in the above case.
- Comparative Example 5 As shown in Table 1 below, similarly to the case of Example 5 described above, the positive electrode manufactured using manganese dioxide containing Li 2 Mn Oa as the positive electrode material was used as the positive electrode. 2. with use those by constant potential discharge to 2 V (vs. L i / L i-), while using the spinel-type lithium titanate L i 4 T i 5 0 12 powder as a negative electrode material, a comparison of the so As in Example 1, a non-aqueous electrolyte battery was produced using a non-aqueous electrolyte as the non-aqueous electrolyte.
- Comparative Example 6 In Comparative Example 6, as shown in Table 1 below, similarly to the case of Example 5 described above, a positive electrode manufactured using manganese dioxide containing Li 2 Mn Oa as a positive electrode material was subjected to the above-described method. As described above, the same potential as in Comparative Example 2 was used for the negative electrode material while the same potential was discharged to 2.2 V (vs. Li / L i +). A non-aqueous electrolyte battery was produced in the same manner as in the above.
- each of the non-aqueous electrolyte batteries of Examples 1 to 8 and Comparative Examples 1 to 6 produced as described above was charged for 8 hours at a charging current of about 1 mA / c from a solar cell provided outdoors. After that, until the average battery voltage of each non-aqueous electrolyte battery drops by 0.3 V at a discharge current of 1 mA / cms, that is, in Examples 1 to 3, 5 to 8 and Comparative Examples 1 and 5, Up to 1.2 V for each nonaqueous electrolyte battery, up to 1.8 V for the nonaqueous electrolyte battery of Example 4, up to 2.7 V for the nonaqueous electrolyte batteries of Comparative Examples 2 and 6, Comparative Example 3 The battery was discharged up to 3.3 V for the non-aqueous electrolyte battery of Example 3 and 0.3 V for the non-aqueous electrolyte battery of Comparative Example 4, and the amount of electricity during charging and the amount of electricity during discharging were calculated. The charge / discharge efficiency was determined by the
- Charge / discharge efficiency (%) (Amount of electricity during discharge—Amount of electricity during charge) X 100
- each of the nonaqueous electrolyte batteries of Examples 1 to 8 using the polymer electrolyte as the nonaqueous electrolyte while using titanium oxide and lithium titanate as the negative electrode material in the negative electrode using titanium oxide and lithium titanate as the negative electrode material in the negative electrode.
- the nonaqueous electrolyte batteries of Comparative Examples 1 and 5 and the nonaqueous electrolyte batteries of Comparative Examples 2 to 4 and 6 using graphite or manganese dioxide other than titanium oxide and lithium titanate as the negative electrode material in the negative electrode The charge / discharge efficiency was much improved.
- the nonaqueous electrolyte batteries of Examples 1 to 8 and Comparative Examples 1 to 6 were charged from the solar cells at a charging current of about 1 mA / c ms for 8 hours in the same manner as described above. Thereafter, until the discharge current ImA / cm- drops by 0.3 V from the average battery voltage in each nonaqueous electrolyte battery, that is, 1 in each of the nonaqueous electrolyte batteries of Examples 1 to 3, and 5 to 8. Discharge was performed up to 1.8 V in the nonaqueous electrolyte battery of Example 4 up to 2 V, and the battery capacity of each nonaqueous electrolyte battery was obtained. The results are shown in Table 2 below.
- Example 1 2 3 4 5 6 7 8 Battery capacity (mAh) 9.1 7.8 7.5 8.5 10.2 9.2 8.7 9.1
- a non-aqueous electrolyte of Example 5-7 using the manganese dioxide containing L i 2 M n 0 3 in the positive electrode material cells, L i M n 0 2 and L i C O_ ⁇ 2 and spinel le type L i M n 2 0 4 example 1-4 using the positive electrode material, as compared with the non-aqueous electrolyte battery 8, Battery capacity was increasing.
- the nonaqueous electrolyte battery according to the present invention when titanium oxide or lithium titanate is used as the negative electrode material in the negative electrode, a polymer electrolyte is used as the nonaqueous electrolyte between the negative electrode and the positive electrode.
- the polymer electrolyte is unlikely to be reduced and decomposed by the catalytic action of titanium oxide or lithium titanate as in a conventional non-aqueous electrolyte, and a portion of the charging current is used to charge the polymer electrolyte. A decrease in discharge efficiency is suppressed, and a nonaqueous electrolyte battery with high charge / discharge efficiency can be obtained.
- nonaqueous electrolyte battery when spinel-type lithium titanate is used for the negative electrode material of the negative electrode or lithium-containing manganese oxide is used for the positive electrode material of the positive electrode, a non-aqueous electrolyte having higher charge / discharge efficiency is obtained.
- a water electrolyte battery can be obtained.
- titanium oxide or lithium titanate is used for the negative electrode as described above, and a polymer electrolyte is used for the nonaqueous electrolyte. Even when the voltage is high, the decomposition of the polymer electrolyte is small, and sufficient charging can be performed even when a solar cell is used.
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98905786A EP1009055B1 (en) | 1997-03-10 | 1998-03-05 | Nonaqueous electrolyte battery and charging method therefor |
US09/308,622 US6316145B1 (en) | 1997-03-10 | 1998-03-05 | Non-aqueous electrolyte battery and charging method therefor |
CA002270656A CA2270656C (en) | 1997-03-10 | 1998-03-05 | Nonaqueous electrolyte battery and charging method therefor |
DE69835681T DE69835681T2 (de) | 1997-03-10 | 1998-03-05 | Batterie mit nichtwässrigem elektrolyten und lademethode dafür |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5445197 | 1997-03-10 | ||
JP9/54451 | 1997-03-10 | ||
JP9/323084 | 1997-11-25 | ||
JP9323084A JPH10312826A (ja) | 1997-03-10 | 1997-11-25 | 非水電解質電池及びその充電方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998040923A1 true WO1998040923A1 (fr) | 1998-09-17 |
Family
ID=26395220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/000923 WO1998040923A1 (fr) | 1997-03-10 | 1998-03-05 | Batterie a electrolyte non aqueux et procede de charge de celle-ci |
Country Status (6)
Country | Link |
---|---|
US (1) | US6316145B1 (ja) |
EP (1) | EP1009055B1 (ja) |
JP (1) | JPH10312826A (ja) |
CA (1) | CA2270656C (ja) |
DE (1) | DE69835681T2 (ja) |
WO (1) | WO1998040923A1 (ja) |
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US6998192B1 (en) | 2002-08-29 | 2006-02-14 | Quallion Llc | Negative electrode for a nonaqueous battery |
US7174207B2 (en) | 2004-09-23 | 2007-02-06 | Quallion Llc | Implantable defibrillator having reduced battery volume |
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CN107230799B (zh) * | 2017-07-10 | 2019-06-11 | 合肥国轩高科动力能源有限公司 | 一种钛酸锂电池的化成方法 |
CN109659530A (zh) * | 2018-12-17 | 2019-04-19 | 上海纳米技术及应用国家工程研究中心有限公司 | 含氟钛酸锂包碳复合材料的制备方法及其产品和应用 |
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US7927739B2 (en) * | 2001-12-14 | 2011-04-19 | The Gillette Company | Non-aqueous electrochemical cells |
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US7174207B2 (en) | 2004-09-23 | 2007-02-06 | Quallion Llc | Implantable defibrillator having reduced battery volume |
Also Published As
Publication number | Publication date |
---|---|
CA2270656A1 (en) | 1998-09-17 |
EP1009055A1 (en) | 2000-06-14 |
EP1009055A4 (en) | 2004-12-01 |
JPH10312826A (ja) | 1998-11-24 |
DE69835681D1 (de) | 2006-10-05 |
US6316145B1 (en) | 2001-11-13 |
EP1009055B1 (en) | 2006-08-23 |
CA2270656C (en) | 2006-04-11 |
DE69835681T2 (de) | 2007-08-23 |
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