WO2001056099A1 - Electrode de pile au lithium ou de pile secondaire au lithium - Google Patents

Electrode de pile au lithium ou de pile secondaire au lithium Download PDF

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Publication number
WO2001056099A1
WO2001056099A1 PCT/JP2001/000397 JP0100397W WO0156099A1 WO 2001056099 A1 WO2001056099 A1 WO 2001056099A1 JP 0100397 W JP0100397 W JP 0100397W WO 0156099 A1 WO0156099 A1 WO 0156099A1
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WO
WIPO (PCT)
Prior art keywords
electrode
lithium battery
lithium
thin film
silicon
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2001/000397
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English (en)
Japanese (ja)
Inventor
Yoichi Domoto
Hiromasa Yagi
Hisaki Tarui
Hiroaki Ikeda
Masahisa Fujimoto
Hiroshi Kurokawa
Shin Fujitani
Shigeki Matsuta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
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Sanyo Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to AU2001227085A priority Critical patent/AU2001227085A1/en
Publication of WO2001056099A1 publication Critical patent/WO2001056099A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • 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
    • 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
    • H01M4/386—Silicon or alloys based on silicon
    • 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
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/027—Negative electrodes
    • 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
    • H01M4/40—Alloys based on alkali metals
    • H01M4/405—Alloys based on lithium
    • 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
    • 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 lithium battery electrode, a lithium battery using the same, and a lithium secondary battery.
  • lithium secondary batteries which are being actively researched and developed, greatly affect battery characteristics such as charge / discharge voltage, charge / discharge cycle life characteristics, and storage characteristics depending on the electrodes used. For this reason, the battery characteristics are being improved by improving the electrode active material.
  • lithium metal When lithium metal is used as the negative electrode active material, a battery having a high energy density per weight and per volume can be formed.However, there is a problem that lithium is deposited in a dendrite shape during charging and causes an internal short circuit. there were
  • lithium secondary batteries that use aluminum, silicon, tin, etc., which are electrochemically alloyed with lithium during charging, as electrodes have been reported (Solid State Ionics, 1). 13-115, p57 (1998)).
  • silicon is particularly promising as a negative electrode for batteries that has a large theoretical capacity and a high capacity, and various secondary batteries using this as a negative electrode have been proposed (Japanese Patent Laid-Open No. 10-25). No. 768 publication).
  • this type of alloy negative electrode sufficient cycle characteristics have not been obtained because the alloy itself, which is an electrode active material, is pulverized by charging and discharging and the current collecting characteristics are deteriorated.
  • the present applicant has formed on a metal foil such as a copper foil by a plasma CVD method or the like.
  • a metal foil such as a copper foil by a plasma CVD method or the like.
  • the amorphous silicon thin film as the negative electrode for a lithium secondary battery, it has been found that a lithium secondary battery having a high charge / discharge capacity and excellent charge / discharge cycle characteristics can be obtained (Japanese Patent Application No. Hei 1 (1994)). 13 0 1 6 7 9). Disclosure of the invention
  • An object of the present invention is to provide an electrode for a lithium battery using an amorphous material as an active material, and a lithium secondary battery having excellent charge / discharge cycle characteristics when used as an electrode for a secondary battery.
  • An object of the present invention is to provide a battery electrode and a lithium battery and a lithium secondary battery using the same.
  • the lithium battery electrode of the present invention is a lithium battery electrode including an active material that inserts and extracts lithium. It is characterized in that an amorphous material containing at least one kind of impurity selected from oxygen, nitrogen, argon, and fluorine is used as an active material.
  • the amorphous material preferably contains at least silicon, and more preferably, is microcrystalline silicon or amorphous silicon.
  • Microcrystalline silicon in Raman spectroscopic analysis, the crystal region corresponding 5 2 0 cm - 1 and the vicinity of the peak, 4 8 0 cm corresponding to the amorphous region - 1 both peaks of near neighbor is substantially The silicon to be detected.
  • a peak near 520 cm 1 corresponding to the crystalline region was not substantially detected in the Raman spectroscopic analysis, and a peak near 480 cm ⁇ 1 corresponding to the amorphous region was not detected. Silicon whose peak is substantially detected.
  • the carbon concentration in the silicon is preferably less than 50 atomic%, more preferably 3.0 atomic% or less, and further preferably 2.0 atomic% or less.
  • the lower limit of the carbon concentration is preferably 0.0002 atomic% or more.
  • the oxygen concentration Is preferably less than 67 atomic%, more preferably 50 atoms. /.
  • the content is more preferably 20 atomic% or less.
  • the lower limit of the oxygen concentration is preferably 0.002 at% or more.
  • the nitrogen concentration is 57 atoms. /. Is preferably less than 2, more preferably 2 atoms. /. Hereinafter, more preferably 0.1 atom. /. It is as follows.
  • the lower limit of the oxygen concentration is preferably not less than 0.0000 atomic%.
  • the argon concentration in the silicon is 0 / atom.
  • the fluorine concentration is 0.01 atom. Les, preferably less than / 0 .
  • the concentrations of carbon, oxygen, nitrogen, argon, and fluorine can be measured by secondary ion mass spectrometry (SIMS). The number of atoms measured by SIMS by a dividing by 5 X 1 0 22 can be converted to atomic percent.
  • the microcrystalline silicon or the amorphous silicon is preferably a silicon thin film.
  • a method for incorporating the above-described impurities into such a silicon thin film a method similar to the method of doping impurities into a general semiconductor thin film can be used.
  • an impurity source gas may be mixed with a silicon thin film source gas such as a silane gas, and a silicon thin film may be formed by a CVD method such as a plasma CVD method, and impurities may be contained in the silicon thin film.
  • an impurity may be contained by a method such as an ion implantation method.
  • a silicon thin film containing impurities may be formed by sputtering or the like, using silicon containing impurities in advance as a target or the like.
  • the silicon thin film is preferably provided on a current collector.
  • a current collector is used as a substrate, and a silicon thin film is formed on the current collector by a thin film forming method such as a CVD method, a sputtering method, a vacuum evaporation method, or a thermal spraying method. Is formed.
  • a current collector it is preferable to use a current collector made of at least one selected from copper, nickel, iron, stainless steel, molybdenum, tungsten, and tantalum.
  • a metal foil is preferable.
  • a copper foil such as a rolled copper foil and an electrolytic copper foil can be used as the current collector.
  • a copper foil having a large surface roughness Ra is used.
  • Certain electrolytic copper foils are preferably used.
  • the term "lithium battery” includes a lithium primary battery and a lithium secondary battery. Therefore, the electrode of the present invention may be used for a lithium primary battery and a lithium secondary battery. it can..,
  • a lithium battery of the present invention includes a negative electrode comprising the above-described electrode for a lithium battery of the present invention, a positive electrode, and an electrolyte.
  • a lithium secondary battery of the present invention includes a negative electrode comprising the above-described electrode for a lithium battery of the present invention, a positive electrode, and a non-aqueous electrolyte.
  • Solvents for the electrolyte used in the lithium secondary battery of the present invention are not particularly limited, but cyclic carbonates such as ethylene carbonate, propylene carbonate, and butylene carbonate, and dimethyl carbonate, methyl ethyl carbonate, and getyl carbonate. And a mixed solvent of the cyclic carbonate and an ether-based solvent such as 1,2-dimethoxetane and 1,2-dietoxetane.
  • L i PF, L i BF 4, L i CF 3 S 0 3, L i N (CF 3 S_ ⁇ 2) 2 L i N
  • examples of the electrolyte include a gel-like polymer electrolyte obtained by impregnating an electrolyte with a polymer electrolyte such as polyethylene oxide and polyacrylonitrile, and an inorganic solid electrolyte such as LiI and LiN. Is shown.
  • the electrolyte of the lithium secondary battery of the present invention can be used as long as the Li compound as a solvent that develops ionic conductivity and the solvent that dissolves and retains the Li compound do not decompose during charging or discharging or storage of the battery. It can be used without any restrictions.
  • L i C O_ ⁇ 2, L i N i ⁇ 2, L i M n 2, and i Mn_ ⁇ 2, L i C o os N i o. 5 O 2 , L i N i. CO o M n o. 0 2 lithium-containing transition metal oxides such as and, metal oxides containing no lithium such as Mn 0 2 are exemplified.
  • any other substance capable of electrochemically inserting and removing lithium can be used without limitation.
  • FIG. 1 is a diagram showing a distribution of an impurity concentration in a depth direction in a negative electrode manufactured in Example 1 according to the present invention.
  • FIG. 2 is a diagram showing a distribution of an impurity concentration in a depth direction in a negative electrode manufactured in Example 2 according to the present invention.
  • FIG. 3 is a diagram showing a distribution of an impurity concentration in a depth direction in a negative electrode manufactured in Example 3 according to the present invention.
  • FIG. 4 is a diagram showing a distribution of an impurity concentration in a depth direction in a negative electrode manufactured in Example 4 according to the present invention.
  • FIG. 5 is a perspective view showing a lithium secondary battery produced in an example according to the present invention.
  • FIG. 6 is a schematic cross-sectional view showing a lithium secondary battery produced in an example according to the present invention.
  • BEST MODE FOR CARRYING OUT THE INVENTION will be described in more detail with reference to Examples. However, the present invention is not limited to the following Examples at all, and can be implemented with appropriate modifications within the scope of the gist of the present invention. ,.,
  • a copper foil (thickness: 18 ⁇ ) was used as a substrate, and a plasma CVD method was used to measure the carbon, oxygen, nitrogen, argon, or fluorine concentrations shown in Tables 1 to 5 on this copper foil.
  • a silicon thin film was formed. It is a silicon thin film formed of the material gas, a silane (S i ⁇ 4) gas, - is the carrier gas using a hydrogen gas, during the formation of the silicon thin film to contain carbon, When forming a silicon thin film in which CH 4 gas is mixed in the source gas and oxygen is present, co 2 gas is mixed in the source gas and in forming a silicon thin film containing nitrogen, the raw material gas is mixed. N 2 gas c also is mixed, at the time of formation of the silicon thin film to contain argon, the raw material gas is mixed a r gas, during the formation of the silicon thin film to contain fluorine, the raw material gas Was mixed with CF 4 gas.
  • the film forming conditions S i the gas flow rate: 1 0 ⁇ 1 0 0 sccm, H 2 gas flow rate: 0 ⁇ 2 0 0 sccm, substrate temperature: 1 8 0 e C, reaction pressure: 4 0 P a, the high-frequency power : 1 0 0 and 5 5 5 W, CH 4 gas flow rate: () ⁇ 1 0 0 sccm , C 0 2 gas flow rate: 0 1 0 0 sccm, N 2 gas flow rate: 0: 1 0 0 sccm, Ar gas flow rate: 0 to 100 sccm, CF 4 gas flow rate: 0 to 100 sccm, and impurity concentrations as shown in Tables] to 5 were obtained.
  • An amorphous silicon thin film was deposited on copper foil under the above conditions until the film thickness was 2 ⁇ m:
  • a test cell was fabricated in which the counter electrode and the reference electrode were metallized.
  • an equal volume mixed solvent of ethylene carbonate and di E chill carbonate used was the L i PF 6 dissolved 1 mol / l.
  • the reduction of the working electrode is charged and the oxidation is discharge.
  • a rolled copper foil (thickness: 26 ⁇ ) whose surface was roughened by electrolytically depositing copper on the surface was used.
  • a silicon thin film was formed by using a die-type RF sputtering apparatus: The silicon thin film was formed by using only argon gas as an atmosphere gas for sputtering and changing the flow rate of argon gas. Other forming conditions were as shown in Table 6.
  • the negative electrodes of Examples 1 to 4 were manufactured using a 99.99% silicon single crystal.
  • the thickness of the silicon thin film was set at about 6 to 1 l / m. In Example 4, the thin film formation process was started at the ultimate pressure of 10 _ : i Torr, whereas in Examples 1 to 3, vacuum evacuation was performed to 1 () —H Torr. went.
  • each impurity has the highest concentration near the current collector surface and gradually decreases toward the surface in the silicon thin film. Also the atom. /. Table 6 shows the converted values. From these results, extremely large amounts were obtained under these conditions. It can be seen that the impurities of (a) are not mixed in the silicon thin layer.
  • the silicon thin film was limitedly formed in a 2.5 cm ⁇ 2.5 cm area on the copper foil using a mask. After the thin film was formed, the negative electrode tab was mounted on the copper foil area where the silicon thin film was not formed, and the negative electrode was completed.
  • L i PF B was dissolved 1 mole Z l to prepare an electrolytic solution, using the same in the production of the following cell.
  • FIG. 5 is a perspective view showing the manufactured lithium secondary battery.
  • FIG. 6 is a schematic cross-sectional view showing the manufactured lithium secondary battery.
  • a positive electrode and a negative electrode are inserted into an exterior body 10 made of an aluminum laminate film.
  • a silicon thin film 12 as a negative electrode active material is provided, and on the positive electrode current collector 13, a positive electrode active material layer 14 is provided.
  • the silicon thin film 12 and the positive electrode active material layer 14 are arranged to face each other with the separator 15 interposed therebetween.
  • the electrolytic solution 16 described above is injected into the exterior body 10.
  • the end of the exterior body 10 is sealed by welding.
  • the negative electrode tab 17 attached to the negative electrode current collector 11 having the sealing portion 10a formed therein is taken out through the sealing portion 10a.
  • the positive electrode tab 18 attached to the positive electrode current collector 13 is also taken out through the sealing portion 10a similarly.
  • a charge / discharge cycle test was performed on the lithium secondary battery manufactured as described above.
  • the charge and discharge conditions are as follows: charge until the charge current reaches 9 mAh, then discharge at a discharge current of 9 mA until the discharge end voltage reaches 2.75 V, which is defined as one cycle of charge and discharge.
  • the discharge capacity and charge / discharge efficiency at the 1st, 5th, and 20th cycles were determined for each battery. Table 6 shows the results.
  • a lithium secondary battery having excellent charge / discharge cycle characteristics can be obtained.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Secondary Cells (AREA)
  • Chemical Vapour Deposition (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Primary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

L'invention concerne une électrode de pile au lithium, qui contient une matière active pouvant occlure ou libérer le lithium. L'électrode se caractérise en ce qu'une matière amorphe, telle qu'un silicium amorphe contenant au moins une impureté choisie entre le carbone, l'oxygène, l'azote, l'argon et le fluor, est utilisée comme matière active.
PCT/JP2001/000397 2000-01-25 2001-01-22 Electrode de pile au lithium ou de pile secondaire au lithium Ceased WO2001056099A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001227085A AU2001227085A1 (en) 2000-01-25 2001-01-22 Electrode for lithium cell and lithium secondary cell

Applications Claiming Priority (2)

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JP2000015294A JP2005235397A (ja) 2000-01-25 2000-01-25 リチウム電池用電極並びにこれを用いたリチウム電池及びリチウム二次電池
JP2000-15294 2000-01-25

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AU (1) AU2001227085A1 (fr)
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6610357B2 (en) 2000-12-01 2003-08-26 Sanyo Electric Co., Ltd. Method for fabricating electrode for lithium secondary battery
JP2006128067A (ja) * 2004-06-15 2006-05-18 Mitsubishi Chemicals Corp 非水電解質二次電池用負極及びその製造方法、並びに非水電解質二次電池
KR100721648B1 (ko) 2005-06-24 2007-05-23 마쯔시다덴기산교 가부시키가이샤 리튬이온 2차전지용 음극 및 그 제조방법
JP2007188872A (ja) * 2005-12-13 2007-07-26 Mitsubishi Chemicals Corp 非水電解質二次電池用負極材、非水電解質二次電池用負極、及び非水電解質二次電池
JP2007188873A (ja) * 2005-12-13 2007-07-26 Mitsubishi Chemicals Corp 非水電解液二次電池

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JP4608743B2 (ja) * 2000-07-19 2011-01-12 パナソニック株式会社 非水電解質二次電池
JP4635409B2 (ja) * 2003-04-14 2011-02-23 株式会社Ｇｓユアサ 非水電解質電池
US8080334B2 (en) 2005-08-02 2011-12-20 Panasonic Corporation Lithium secondary battery
CN102931434B (zh) 2005-10-20 2015-09-16 三菱化学株式会社 锂二次电池以及其中使用的非水电解液
JP4177885B2 (ja) 2005-11-07 2008-11-05 松下電器産業株式会社 リチウム二次電池用負極、リチウムイオン二次電池およびその製造法
JP5043338B2 (ja) 2006-01-19 2012-10-10 パナソニック株式会社 リチウム二次電池
KR100851969B1 (ko) 2007-01-05 2008-08-12 삼성에스디아이 주식회사 음극 활물질, 그 제조 방법 및 이를 채용한 음극과 리튬전지
FR2975833B1 (fr) 2011-05-24 2013-06-28 Ecole Polytech Anodes de batteries li-ion
JP6318859B2 (ja) * 2014-05-29 2018-05-09 株式会社豊田自動織機 銅含有シリコン材料及びその製造方法と負極活物質及び二次電池
KR20240168042A (ko) * 2023-05-22 2024-11-29 한양대학교 에리카산학협력단 비정질 실리콘 박막 음극을 포함하는 리튬이차전지 및 이의 제조방법
KR20250021141A (ko) * 2023-08-02 2025-02-12 주식회사 엘지에너지솔루션 음극 조성물, 음극 및 리튬이차전지

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10199524A (ja) * 1997-01-17 1998-07-31 Yuasa Corp 非水電解質電池
JPH11283626A (ja) * 1998-03-31 1999-10-15 Sanyo Electric Co Ltd リチウム二次電池用負極材料及びそれを用いたリチウム二次電池
JPH11339796A (ja) * 1998-05-25 1999-12-10 Kao Corp 非水系二次電池用負極材料
EP1024544A2 (fr) * 1999-01-26 2000-08-02 Mitsui Mining Co., Ltd. Matériau anodique pour pile secondaire au lithium, pile secondaire au lithium utilisant ce matériau anodique, et méthode de charge de cette pile secondaire
EP1039568A1 (fr) * 1998-09-18 2000-09-27 Canon Kabushiki Kaisha Materiau electrode pour pole negatif d'une cellule secondaire au lithium, structure d'electrode utilisant ce materiau electrode, cellule secondaire au lithium utilisant cette structure d'electrode et procede de fabrication de cette structure d'electrode et de cette cellule secondaire au lithium
EP1054462A1 (fr) * 1998-12-03 2000-11-22 Kao Corporation Pile secondaire au lithium et son procede de fabrication
JP2001052691A (ja) * 1999-08-09 2001-02-23 Toshiba Corp 非水電解質二次電池

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10199524A (ja) * 1997-01-17 1998-07-31 Yuasa Corp 非水電解質電池
JPH11283626A (ja) * 1998-03-31 1999-10-15 Sanyo Electric Co Ltd リチウム二次電池用負極材料及びそれを用いたリチウム二次電池
JPH11339796A (ja) * 1998-05-25 1999-12-10 Kao Corp 非水系二次電池用負極材料
EP1039568A1 (fr) * 1998-09-18 2000-09-27 Canon Kabushiki Kaisha Materiau electrode pour pole negatif d'une cellule secondaire au lithium, structure d'electrode utilisant ce materiau electrode, cellule secondaire au lithium utilisant cette structure d'electrode et procede de fabrication de cette structure d'electrode et de cette cellule secondaire au lithium
EP1054462A1 (fr) * 1998-12-03 2000-11-22 Kao Corporation Pile secondaire au lithium et son procede de fabrication
EP1024544A2 (fr) * 1999-01-26 2000-08-02 Mitsui Mining Co., Ltd. Matériau anodique pour pile secondaire au lithium, pile secondaire au lithium utilisant ce matériau anodique, et méthode de charge de cette pile secondaire
JP2001052691A (ja) * 1999-08-09 2001-02-23 Toshiba Corp 非水電解質二次電池

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6610357B2 (en) 2000-12-01 2003-08-26 Sanyo Electric Co., Ltd. Method for fabricating electrode for lithium secondary battery
JP2006128067A (ja) * 2004-06-15 2006-05-18 Mitsubishi Chemicals Corp 非水電解質二次電池用負極及びその製造方法、並びに非水電解質二次電池
KR100721648B1 (ko) 2005-06-24 2007-05-23 마쯔시다덴기산교 가부시키가이샤 리튬이온 2차전지용 음극 및 그 제조방법
JP2007188872A (ja) * 2005-12-13 2007-07-26 Mitsubishi Chemicals Corp 非水電解質二次電池用負極材、非水電解質二次電池用負極、及び非水電解質二次電池
JP2007188873A (ja) * 2005-12-13 2007-07-26 Mitsubishi Chemicals Corp 非水電解液二次電池

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