JP2002260637A5 - - Google Patents
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【特許請求の範囲】
【請求項１】 表面粗さＲａが０．２μｍ以上である導電性金属箔を集電体とし、ケイ素及び／またはケイ素合金を含む活物質粒子と導電性金属粉末とバインダーの混合物の層を前記集電体の表面上で非酸化性雰囲気下に焼結して得られ、前記バインダーが、焼結のための熱処理後に残存していることを特徴とするリチウム二次電池用負極。
【請求項２】 前記導電性金属箔及び／または前記導電性金属粉末中の金属成分が、前記活物質粒子中に拡散していることを特徴とする請求項１に記載のリチウム二次電池用負極。
【請求項３】 前記導電性金属粉末が銅または銅合金を含む粉末であることを特徴とする請求項１または２に記載のリチウム二次電池用負極。
【請求項４】 表面粗さＲａが０．２μｍ以上である導電性金属箔を集電体とし、ケイ素及び／またはケイ素合金を含む活物質粒子とバインダーの層を前記集電体の表面上で非酸化性雰囲気下に焼結して得られ、前記バインダーが、焼結のための熱処理後に残存していることを特徴とするリチウム二次電池用負極。
【請求項５】 前記導電性金属箔中の金属成分が、前記活物質粒子中に拡散していることを特徴とする請求項４に記載のリチウム二次電池用負極。
【請求項６】 前記導電性金属箔が、銅箔もしくは銅合金箔、または表面に銅層を設けた金属箔もしくは表面に銅合金層を設けた金箔層であることを特徴とする請求項１〜５のいずれか１項に記載のリチウム二次電池用負極。
【請求項７】 前記導電性金属箔が、電解銅箔もしくは電解銅合金箔、または表面に電解銅を設けた金属箔もしくは表面に電解銅合金を設けた金属箔であることを特徴とする請求項１〜６のいずれか１項に記載のリチウム二次電池用負極。
【請求項８】 前記活物質粒子に拡散する金属成分が銅であることを特徴とする請求項２、３及び５〜７のいずれか１項に記載のリチウム二次電池用負極。
【請求項９】 前記導電性金属箔表面の凹部分に前記活物質粒子が入り込んでいることを特徴とする請求項１〜８のいずれか１項に記載のリチウム二次電池用負極。
【請求項１０】 前記バインダーが、ポリイミドであることを特徴とする請求項１〜９のいずれか１項に記載のリチウム二次電池用負極。
【請求項１１】 前記ポリイミドが、ポリアミド酸を熱処理することにより縮合させて得られたポリイミドであることを特徴とする請求項１０に記載のリチウム二次電池用負極。
【請求項１２】 前記バインダーが、フッ素原子を含むバインダーの熱処理後のものであることを特徴とする請求項１〜１１のいずれか１項に記載のリチウム二次電池用負極。
【請求項１３】 前記バインダーが、ポリフッ化ビニリデンまたはポリテトラフルオロエチレンの熱処理後のものであることを特徴とする請求項１２に記載のリチウム二次電池用負極。
【請求項１４】 前記導電性金属箔表面の凹部分に前記活物質粒子及び／または前記バインダーが入り込んでいることを特徴とする請求項１〜１３のいずれか１項に記載のリチウム二次電池用負極。
【請求項１５】 前記活物質粒子の平均粒径が１０μｍ以下であることを特徴とする請求項１〜１４のいずれか１項に記載のリチウム二次電池用負極。
【請求項１６】 前記活物質粒子に金属成分が拡散した領域においてＸ線回折でケイ化銅が検出されないことを特徴とする請求項１〜１５のいずれか１項に記載のリチウム二次電池用負極。
【請求項１７】 前記活物質粒子がケイ素粉末であることを特徴とする請求項１〜１６のいずれか１項に記載のリチウム二次電池用負極。
【請求項１８】 前記焼結のための熱処理温度が２００℃〜５００℃の範囲内であることを特徴とする請求項１〜１７のいずれか１項に記載のリチウム二次電池用負極。
【請求項１９】 表面粗さＲａが０．２μｍ以上である導電性金属箔の表面上に、ケイ素及び／またはケイ素合金を含む活物質粒子と導電性金属粉末とバインダーの混合物の層を形成する工程と、
前記混合物の層を前記導電性金属箔の表面上に配置した状態で非酸化性雰囲気下に前記バインダーが熱処理後に残存する条件で焼結する工程とを備えることを特徴とするリチウム二次電池用負極の製造方法。
【請求項２０】 前記活物質粒子、前記導電性金属粉末、及びバインダーを含むスラリーを前記導電性金属箔の表面上に塗布することにより、前記混合物の層を前記導電性金属箔の表面上に形成することを特徴とする請求項１９に記載のリチウム二次電池用負極の製造方法。
【請求項２１】 前記導電性粉末が、銅及び／または銅合金を含む粉末であることを特徴とする請求項１９または２０に記載のリチウム二次電池用負極の製造方法。
【請求項２２】 表面粗さＲａが０．２μｍ以上である導電性金属箔の表面上に、ケイ素及び／またはケイ素合金を含む活物質粒子とバインダーの層を形成する工程と、
前記活物質粒子とバインダーの層を前記導電性金属箔の表面上に配置した状態で非酸化性雰囲気下に前記バインダーが熱処理後に残存する条件で焼結する工程とを備えることを特徴とするリチウム二次電池用負極の製造方法。
【請求項２３】 前記活物質粒子及びバインダーを含むスラリーを前記導電性金属箔の表面上に塗布することにより、前記活物質粒子とバインダーの層を前記導電性金属箔の表面上に形成することを特徴とする請求項２２に記載のリチウム二次電池用負極の製造方法。
【請求項２４】 前記焼結工程の前に、前記混合物の層または前記活物質粒子とバインダーの層を前記導電性金属箔の表面上に配置した状態で圧延することを特徴とする請求項１９〜２３のいずれか１項に記載のリチウム二次電池用負極の製造方法。
【請求項２５】 前記導電性金属箔が、銅箔もしくは銅合金箔、または表面に銅層を設けた金属箔もしくは表面に銅合金層を設けた金属箔であることを特徴とする請求項１９〜２４のいずれか１項に記載のリチウム二次電池用負極の製造方法。
【請求項２６】 前記導電性金属箔が、銅電解箔もしくは電解銅合金箔、または表面に電解銅を設けた金属箔もしくは表面に電解銅合金を設けた金属箔であることを特徴とする請求項１９〜２５のいずれか１項に記載のリチウム二次電池用負極の製造方法。
【請求項２７】 前記焼結によって、前記導電性金属箔及び／または前記導電性粉末の金属成分が、前記活物質粒子中に拡散することを特徴とする請求項１９〜２６のいずれか１項に記載のリチウム二次電池用負極の製造方法。
【請求項２８】 Ｘ線回折で前記金属成分とケイ素との金属間化合物の析出が検出されないような条件で焼結することを特徴とする請求項２７に記載のリチウム二次電池用負極の製造方法。
【請求項２９】 前記活物質粒子中に拡散する金属成分が銅元素であることを特徴とする請求項２７または２８に記載のリチウム二次電池用負極の製造方法。
【請求項３０】 Ｘ線回折でケイ化銅の析出が検出されないような条件で焼結することを特徴とする請求項２９に記載のリチウム二次電池用負極の製造方法。
【請求項３１】 ２００℃〜５００℃の範囲内の温度で熱処理して焼結することを特徴とする請求項１９〜３０のいずれか１項に記載のリチウム二次電池用負極の製造方法。
【請求項３２】 前記バインダーが、ポリイミドであることを特徴とする請求項１９〜３１のいずれか１項に記載のリチウム二次電池用負極の製造方法。
【請求項３３】 前記ポリイミドが、ポリアミド酸を熱処理することにより縮合させて得られたポリイミドであることを特徴とする請求項３２に記載のリチウム二次電池用負極の製造方法。
【請求項３４】 前記バインダーがフッ素原子を含むバインダーであることを特徴とする請求項１９〜３１のいずれか１項に記載のリチウム二次電池用負極の製造方法。
【請求項３５】 前記バインダーがポリフッ化ビニリデンまたはポリテトラフルオロエチレンであることを特徴とする請求項３４に記載のリチウム二次電池用負極の製造方法。
【請求項３６】 前記活物質粒子の平均粒径が１０μｍ以下であることを特徴とする請求項１９〜３５のいずれか１項に記載のリチウム二次電池用負極の製造方法。
【請求項３７】 前記活物質粒子がケイ素粉末であることを特徴とする請求項１９〜３６のいずれか１項に記載のリチウム二次電池用負極の製造方法。
【請求項３８】 請求項１〜１８のいずれか１項に記載の負極または請求項１９〜３７のいずれか１項に記載の方法により製造された負極と、正極活物質を含む正極と、非水電解質とからなることを特徴とするリチウム二次電池。
【請求項３９】 リチウムと合金化する材料からなる活物質粒子の層が集電体上に設けられており、前記活物質粒子の層において前記活物質粒子が焼結によって互いに結合されており、かつ前記活物質粒子中にリチウムと合金化しない成分が拡散しており、前記活物質粒子の層に焼結のための熱処理後に残存しているバインダーが含まれることを特徴とするリチウム二次電池用電極。
【請求項４０】 リチウムと合金化しない成分が前記集電体から拡散していることを特徴とする請求項３９に記載のリチウム二次電池用電極。
【請求項４１】 前記活物質粒子の層にリチウムと合金化しない材料からなる導電性粉末が混合されていることを特徴とする請求項３９または４０に記載のリチウム二次電池用電極。
【請求項４２】 リチウムと合金化しない成分が前記導電性粉末から拡散していることを特徴とする請求項３９〜４１のいずれか１項に記載のリチウム二次電池用電極。
【請求項４３】 リチウムと合金化しない成分が拡散している前記活物質粒子中の領域において、前記リチウムと合金化する成分と前記リチウムと合金化しない成分との金属間化合物がＸ線回折で検出されないことを特徴とする請求項３９〜４２のいずれか１項に記載のリチウム二次電池用電極。
【請求項４４】 前記バインダーがポリイミドであることを特徴とする請求項３９〜４３のいずれか１項に記載のリチウム二次電池用電極。
【請求項４５】 前記ポリイミドがポリアミド酸を熱処理することにより縮合させて得られたポリイミドであることを特徴とする請求項４４に記載のリチウム二次電池用電極。
【請求項４６】 前記バインダーが、フッ素原子を含むバインダーの熱処理後のものであることを特徴とする請求項３９〜４３のいずれか１項に記載のリチウム二次電池用電極。
【請求項４７】 前記バインダーが、ポリフッ化ビニリデンまたはポリテトラフルオロエチレンの熱処理後のものであることを特徴とする請求項４６に記載のリチウム二次電池用電極。
【請求項４８】 前記導電性金属箔表面の凹部分に前記活物質粒子及び／または前記バインダーが入り込んでいることを特徴とする請求項３９〜４７のいずれか１項に記載のリチウム二次電池用電極。
【請求項４９】 前記活物質粒子の平均粒径が１０μｍ以下であることを特徴とする請求項３９〜４８のいずれか１項に記載のリチウム二次電池用電極。
【請求項５０】 前記活物質粒子がリチウムと合金化する材料としてケイ素及び／またはケイ素合金を含むことを特徴とする請求項３９〜４９のいずれか１項に記載のリチウム二次電池用電極。
【請求項５１】 前記活物質粒子がケイ素粉末であることを特徴とする請求項５０に記載のリチウム二次電池用電極。
【請求項５２】 前記活物質粒子に拡散する成分が銅元素であることを特徴とする請求項３９〜５１のいずれか１項に記載のリチウム二次電池用電極。
【請求項５３】 前記集電体が、銅箔もしくは銅合金箔、または表面に銅層を設けた金属箔もしくは表面に銅合金層を設けた金属箔であることを特徴とする請求項３９〜５２のいずれか１項に記載のリチウム二次電池用電極。
【請求項５４】 前記集電体が、電解銅箔もしくは電解銅合金箔、または表面に電解銅を設けた金属箔もしくは表面に電解銅合金を設けた金属箔であることを特徴とする請求項３９〜５３のいずれか１項に記載のリチウム二次電池用電極。
【請求項５５】 前記集電体の表面粗さＲａが、０．２μｍ以上であることを特徴とする請求項３９〜５４のいずれか１項に記載のリチウム二次電池用電極。
【請求項５６】 前記導電性粉末が、銅及び／または銅合金を含む粉末であることを特徴とする請求項４１〜５５のいずれか１項に記載のリチウム二次電池用電極。
【請求項５７】 前記活物質粒子がケイ素及び／またはケイ素合金を含み、かつ前記活物質粒子に拡散する成分が銅元素である電極であって、該電極の銅元素が拡散している領域において、Ｘ線回折でケイ化銅が検出されないことを特徴とする請求項３９〜５６のいずれか１項に記載のリチウム二次電池用電極。
【請求項５８】 請求項３９〜５７のいずれか１項に記載の電極からなる負極と、正極活物質を含む正極と、非水電解質とからなることを特徴とするリチウム二次電池。
[Claims]
1. A current collector comprising a conductive metal foil having a surface roughness Ra of 0.2 μm or more, and a layer of a mixture of active material particles containing silicon and / or a silicon alloy, a conductive metal powder and a binder. A negative electrode for a lithium secondary battery, wherein the negative electrode is obtained by sintering on a surface of a current collector in a non-oxidizing atmosphere , and the binder remains after heat treatment for sintering .
2. The lithium secondary battery according to claim 1, wherein a metal component in the conductive metal foil and / or the conductive metal powder is diffused in the active material particles. Negative electrode.
3. The negative electrode for a lithium secondary battery according to claim 1, wherein the conductive metal powder is a powder containing copper or a copper alloy.
4. A current collector comprising a conductive metal foil having a surface roughness Ra of 0.2 μm or more, and a layer of active material particles containing silicon and / or a silicon alloy and a binder on the surface of the current collector. A negative electrode for a lithium secondary battery , obtained by sintering in a non-oxidizing atmosphere , wherein the binder remains after heat treatment for sintering .
5. The negative electrode for a lithium secondary battery according to claim 4, wherein a metal component in the conductive metal foil is diffused in the active material particles.
6. The method according to claim 1, wherein the conductive metal foil is a copper foil or a copper alloy foil, a metal foil having a copper layer on the surface, or a gold foil layer having a copper alloy layer on the surface. 6. The negative electrode for a lithium secondary battery according to any one of items 5 to 5.
7. The conductive metal foil is an electro-deposited copper foil or an electro-deposited copper alloy foil, a metal foil having an electro-deposited copper on the surface or a metal foil having an electro-deposited copper alloy on the surface. Item 7. The negative electrode for a lithium secondary battery according to any one of Items 1 to 6.
8. The negative electrode for a lithium secondary battery according to claim 2, wherein the metal component that diffuses into the active material particles is copper.
9. The negative electrode for a lithium secondary battery according to claim 1, wherein the active material particles enter into a concave portion on the surface of the conductive metal foil.
Wherein said binder is a negative electrode for a lithium secondary battery according to any one of claims 1-9, characterized in that the polyimide.
Wherein said polyimide is a negative electrode for a lithium secondary battery according to claim 10, characterized in that the polyimide obtained by condensation by heat treating the polyamic acid.
12. The method of claim 11, wherein the binder is a negative electrode for a lithium secondary battery according to any one of claims 1 to 11, characterized in that after heat treatment the binder comprising a fluorine atom.
Wherein said binder is a negative electrode for a lithium secondary battery according to claim 12, characterized in that after the heat treatment of the polyvinylidene fluoride or polytetrafluoroethylene.
14. The lithium secondary battery according to any one of claims 1 to 13, wherein the active material particles and / or the binder in the recess portion of the conductive metal foil surface intrudes For negative electrode.
15. The active material average particle diameter of claims 1-14 negative electrode for a lithium secondary battery according to any one of, wherein the at 10μm or less of the particles.
16. for a lithium secondary battery according to any one of claims 1 to 15, characterized in that the copper silicide in X-ray diffraction in a region where the metal component in the active material particles are diffused is not detected Negative electrode.
17. The active material particles negative electrode for a lithium secondary battery according to any one of claims 1 to 16, characterized in that a silicon powder.
18. The negative electrode for a lithium secondary battery according to any one of claims 1 to 17, characterized in that the heat treatment temperature is in the range of 200 ° C. to 500 ° C. for the sintering.
To 19. The surface roughness Ra on the surface of the conductive metal foil is 0.2μm or more, to form a layer of a mixture of the active material particles and conductive metal powder and a binder containing silicon and / or silicon alloy Process and
A step of sintering the binder under a non-oxidizing atmosphere under a condition where the layer remains after heat treatment in a state where the layer of the mixture is disposed on the surface of the conductive metal foil. A method for manufacturing a negative electrode.
20. The active material particles, the conductive metal powder, and by applying a slurry containing a binder on the surface of the conductive metal foil, a layer of pre-Symbol mixed compounds of the conductive metal foil The method for producing a negative electrode for a lithium secondary battery according to claim 19 , wherein the negative electrode is formed on a surface.
21. The conductive powder is, method for producing a negative electrode for a lithium secondary battery according to claim 19 or 20, characterized in that a powder containing copper and / or copper alloy.
To 22. The surface roughness Ra on the surface of the conductive metal foil is 0.2μm or more, forming a layer of active material particles and a binder containing silicon and / or silicon alloy,
A step of sintering in a non-oxidizing atmosphere under the condition that the binder remains after the heat treatment in a state where the layer of the active material particles and the binder is disposed on the surface of the conductive metal foil. A method for producing a negative electrode for a secondary battery.
23. A method of forming a layer of the active material particles and the binder on the surface of the conductive metal foil by applying a slurry containing the active material particles and the binder on the surface of the conductive metal foil. The method for producing a negative electrode for a lithium secondary battery according to claim 22 , characterized in that:
To 24. Before the sintering step, claim 19, characterized in that rolling the layer or layers of the active material particles and a binder in said mixture in a state of being disposed on the surface of the conductive metal foil 24. The method for producing a negative electrode for a lithium secondary battery according to any one of items 23 to 23 .
25. the conductive metal foil, claim 19, characterized in that a metal foil having a copper alloy layer on a copper foil or copper alloy foil or a metal foil or a surface provided with a copper layer on the surface, 25. The method for producing a negative electrode for a lithium secondary battery according to any one of items 24 to 24 .
26. The method of claim 25, wherein the conductive metal foil, wherein the copper electrolytic foil or an electrolytic copper alloy foil, or a metal foil provided with the electrolytic copper alloy metal foil or surface provided with electrolytic copper surface billing Item 29. The method for producing a negative electrode for a lithium secondary battery according to any one of Items 19 to 25 .
By 27. The sintered, the conductive metal foil and / or metal components of the conductive powder is, any one of claims 19-26, characterized in that diffusing into the active material particles 3. The method for producing a negative electrode for a lithium secondary battery according to item 1.
28. The production of a negative electrode for a lithium secondary battery according to claim 27 , wherein the sintering is carried out under such conditions that the precipitation of the intermetallic compound of the metal component and silicon is not detected by X-ray diffraction. Method.
29. The method of preparing a negative electrode for a lithium secondary battery according to claim 27 or 28, characterized in that the metal component to diffuse into the active material particles is a copper element.
30. The method for producing a negative electrode for a lithium secondary battery according to claim 29 , wherein the sintering is performed under conditions such that precipitation of copper silicide is not detected by X-ray diffraction.
31. 200 ° C. to 500 ° C. claims 19-30 method for producing a negative electrode for a lithium secondary battery according to any one of, characterized in that sintering and heat treatment at a temperature in the range of.
32. The binder according to claim 19-31 method for producing a negative electrode for a lithium secondary battery according to any one of which is a polyimide.
33. The polyimide method of producing a negative electrode for a lithium secondary battery according to claim 32, characterized in that the polyimide obtained by condensation by heat treating the polyamic acid.
34. The method of claim 19-31 method for producing a negative electrode for a lithium secondary battery according to any one of wherein the binder is a binder containing a fluorine atom.
35. A method for producing a negative electrode for a lithium secondary battery according to claim 34, wherein the binder is polyvinylidene fluoride or polytetrafluoroethylene.
36. The active material according to claim 19-35 method for producing a negative electrode for a lithium secondary battery according to any one of, wherein the average particle size of 10μm or less of the particles.
37. The active material particles claims 19-36 or method for producing a negative electrode for a lithium secondary battery according to one of which is a silicon powder.
38. A negative electrode according to any one of claims 1 to 18 or a negative electrode produced by the method according to any one of claims 19 to 37 , a positive electrode containing a positive electrode active material, A lithium secondary battery comprising a water electrolyte.
39. A layer of active material particles made of a material alloying with lithium is provided on the current collector, wherein the active material particles are bonded to each other by sintering in the layer of active material particles. In addition, a component that does not alloy with lithium is diffused in the active material particles, and the layer of the active material particles includes a binder remaining after a heat treatment for sintering. Electrodes.
40. The electrode for a lithium secondary battery according to claim 39 , wherein a component that does not alloy with lithium is diffused from the current collector.
41. The electrode for a lithium secondary battery according to claim 39 or 40, characterized in that conductive powder made of a material which is not alloyed with lithium in the layer of the active material particles are mixed.
42. The electrode for a lithium secondary battery according to any one of claims 39-41 that component which is not alloyed with lithium is characterized in that it diffuses from the conductive powder.
43. In an area in the active material particles where a component not alloying with lithium is diffused, an intermetallic compound of the component alloying with lithium and the component not alloying with lithium is subjected to X-ray diffraction. The electrode for a lithium secondary battery according to any one of claims 39 to 42 , wherein the electrode is not detected.
44. The electrode for a lithium secondary battery according to any one of claims 39-43, wherein the binder is a polyimide.
45. The electrode for a lithium secondary battery according to claim 44 , wherein the polyimide is a polyimide obtained by condensing a polyamic acid by heat treatment.
46. The electrode for a lithium secondary battery according to claim 39, wherein the binder is a binder containing a fluorine atom after heat treatment.
47. The electrode for a lithium secondary battery according to claim 46 , wherein the binder is obtained after heat treatment of polyvinylidene fluoride or polytetrafluoroethylene.
48. A lithium secondary battery according to any one of claims 39 to 47, wherein the active material particles and / or the binder in the recess portion of the conductive metal foil surface intrudes Electrodes.
49. The electrode for a lithium secondary battery according to any one of claims 39 to 48 , wherein the average particle diameter of the active material particles is 10 μm or less.
50. The electrode for a lithium secondary battery according to any one of claims 39 to 49 , wherein the active material particles include silicon and / or a silicon alloy as a material that alloys with lithium.
51. The electrode for a lithium secondary battery according to claim 50 , wherein said active material particles are silicon powder.
52. The electrode for a lithium secondary battery according to any one of claims 39 to 51 , wherein the component diffusing into the active material particles is copper element.
53. The current collector according to claim 39 , wherein the current collector is a copper foil or a copper alloy foil, a metal foil provided with a copper layer on the surface, or a metal foil provided with a copper alloy layer on the surface. 53. The electrode for a lithium secondary battery according to any one of 52 .
54. The current collector is an electrolytic copper foil or an electrolytic copper alloy foil, a metal foil having a surface provided with electrolytic copper or a metal foil having a surface provided with an electrolytic copper alloy. 53. The electrode for a lithium secondary battery according to any one of 39 to 53 .
55. The electrode for a lithium secondary battery according to any one of claims 39 to 54 , wherein the surface roughness Ra of the current collector is 0.2 μm or more.
56. wherein said conductive powder is copper and / or electrode for a lithium secondary battery according to any one of claims 41-55, characterized in that a powder containing copper alloy.
57. An electrode in which the active material particles contain silicon and / or a silicon alloy, and wherein the component diffusing into the active material particles is a copper element, and in a region where the copper element of the electrode is diffused. The electrode for a lithium secondary battery according to any one of claims 39 to 56 , wherein copper silicide is not detected by X-ray diffraction.
58. A lithium secondary battery comprising a negative electrode comprising the electrode according to any one of claims 39 to 57 , a positive electrode containing a positive electrode active material, and a non-aqueous electrolyte.
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001254261A JP4212263B2 (en) | 2000-09-01 | 2001-08-24 | Negative electrode for lithium secondary battery and method for producing the same |
| CA2420104A CA2420104C (en) | 2000-09-01 | 2001-08-31 | Negative electrode for lithium secondary cell and method for producing the same |
| EP10004070A EP2219249A1 (en) | 2000-09-01 | 2001-08-31 | Electrode for rechargeable lithium battery |
| EP01961241A EP1335438A4 (en) | 2000-09-01 | 2001-08-31 | Negative electrode for lithium secondary cell and method for producing the same |
| AU2001282569A AU2001282569A1 (en) | 2000-09-01 | 2001-08-31 | Negative electrode for lithium secondary cell and method for producing the same |
| CNB018148255A CN1280930C (en) | 2000-09-01 | 2001-08-31 | Negative electrode for lithium secondary cell and method for producing the same |
| KR10-2003-7003069A KR100501142B1 (en) | 2000-09-01 | 2001-08-31 | Negative electrode for lithium secondary cell and method for producing the same |
| PCT/JP2001/007519 WO2002021616A1 (en) | 2000-09-01 | 2001-08-31 | Negative electrode for lithium secondary cell and method for producing the same |
| US10/363,039 US20040043294A1 (en) | 2000-09-01 | 2002-08-31 | Negative electrode for lithium secondary cell and method for producing the same |
| HK04101959A HK1059149A1 (en) | 2000-09-01 | 2004-03-17 | Negative electrode for rechargeable lithium battery and method for fabrication thereof |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000265901 | 2000-09-01 | ||
| JP2000-265901 | 2000-09-01 | ||
| JP2000401501 | 2000-12-28 | ||
| JP2000-401501 | 2000-12-28 | ||
| JP2001254261A JP4212263B2 (en) | 2000-09-01 | 2001-08-24 | Negative electrode for lithium secondary battery and method for producing the same |
Publications (3)
| Publication Number | Publication Date |
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| JP2002260637A JP2002260637A (en) | 2002-09-13 |
| JP2002260637A5 true JP2002260637A5 (en) | 2006-03-09 |
| JP4212263B2 JP4212263B2 (en) | 2009-01-21 |
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| JP2001254261A Expired - Fee Related JP4212263B2 (en) | 2000-09-01 | 2001-08-24 | Negative electrode for lithium secondary battery and method for producing the same |
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