JPH1092414A - Nonaqueous electrolyte secondary battery - Google Patents
Nonaqueous electrolyte secondary batteryInfo
- Publication number
- JPH1092414A JPH1092414A JP8240283A JP24028396A JPH1092414A JP H1092414 A JPH1092414 A JP H1092414A JP 8240283 A JP8240283 A JP 8240283A JP 24028396 A JP24028396 A JP 24028396A JP H1092414 A JPH1092414 A JP H1092414A
- Authority
- JP
- Japan
- Prior art keywords
- negative electrode
- alloy
- secondary battery
- electrolyte secondary
- lithium
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、非水電解液二次電
池、特にその負極の構成技術に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nonaqueous electrolyte secondary battery, and more particularly to a technique for forming a negative electrode thereof.
【０００２】[0002]
【従来の技術】有機電解液を用い、リチウムを負極活物
質とする非水電解液二次電池は、水溶液系の電解液を用
いる二次電池に比べてエネルギー密度が高く、かつ低温
特性が優れていることから注目を集めている。2. Description of the Related Art A non-aqueous electrolyte secondary battery using an organic electrolyte and lithium as a negative electrode active material has a higher energy density and excellent low-temperature characteristics than a secondary battery using an aqueous electrolyte. It is attracting attention because it is.
【０００３】しかしながら、充電によって生じる活性な
リチウムが電解液の有機溶媒と反応したり、あるいは、
析出したリチウムが樹脂状すなわちデンドライト状に成
長し、有機溶媒と反応したりすることにより、電極基板
との電気的接続が絶たれ、リチウム負極の充放電効率が
悪くなるという問題点があった。また、デンドライト状
に成長したリチウムが、セパレータを貫通することによ
り電池の内部短絡が発生し易いという問題点もあり、実
用的に十分満足できるリチウム二次電池は得られていな
い。However, active lithium generated by charging reacts with the organic solvent of the electrolyte, or
When the deposited lithium grows in a resin state, that is, a dendrite state, and reacts with an organic solvent, there is a problem in that the electrical connection with the electrode substrate is cut off and the charge / discharge efficiency of the lithium negative electrode deteriorates. Further, there is also a problem that lithium grown in a dendrite form easily penetrates through the separator to cause internal short-circuiting of the battery, and a lithium secondary battery that is practically sufficiently satisfactory has not been obtained.
【０００４】これらの問題点を解決するために、従来に
おいては、負極材料にリチウム合金を用いる手段とし
て、例えば、リチウムとアルミニウムとの合金（例え
ば、米国特許第４，００２，４９２号明細書参照）、リ
チウムと鉛との合金（例えば、特開昭５７−１４１８６
９号公報参照）、リチウムとガリウムとの合金（例え
ば、Ｅｕｒ．Ｊ．Ｓｏｌｉｄ Ｓｔａｔｅ Ｉｎｏｒ
ｇ．Ｃｈｅｍ７５９（１９９０）、特開昭６０−２４７
０７２号公報、特開昭６１−１２６７７０号公報、特開
昭６２−１２０６４号公報、特開昭６３−１３２６７号
公報等参照）が提案されている。In order to solve these problems, conventionally, as a means for using a lithium alloy as a negative electrode material, for example, an alloy of lithium and aluminum (for example, see US Pat. No. 4,002,492) ), An alloy of lithium and lead (for example, see JP-A-57-14186).
No. 9), an alloy of lithium and gallium (for example, Eur. J. Solid State Inor).
g. Chem759 (1990), JP-A-60-247.
No. 072, JP-A-61-126770, JP-A-62-12064, JP-A-63-13267, etc.) have been proposed.
【０００５】また、負極材料に炭素材料を用いる手段
（例えば、特開昭５７−２０８０７９号公報、特開昭５
９−１４３２８０号公報等参照）が提案されている。さ
らに、炭素材料と合金材料とを複合化した材料を用いる
手段（例えば、特開平２−１２１２５８号公報、特開平
４−１７１６７８号公報、特開平５−１８２６６８号公
報等参照）も提案されている。Further, means using a carbon material as a negative electrode material (for example, Japanese Patent Application Laid-Open Nos.
No. 9-143280). Further, means using a composite material of a carbon material and an alloy material (for example, see JP-A-2-121258, JP-A-4-171678, JP-A-5-182668, etc.) has been proposed. .
【０００６】[0006]
【発明が解決しようとする課題】従来の非水電解液二次
電池において、負極材料に合金材料を用いる場合には、
リチウムの吸蔵，放出によって合金母材に膨張および収
縮が起こり、その結果、結晶の微細化や剥離が発生し、
充放電反応が円滑に進まないという問題点を有し、また
負極材料に炭素材料を用いる場合も、充放電効率が十分
でないという問題点を有していた。In a conventional non-aqueous electrolyte secondary battery, when an alloy material is used as a negative electrode material,
Expansion and contraction of the alloy base material occurs due to insertion and extraction of lithium, resulting in crystal refinement and separation,
There is a problem that the charge / discharge reaction does not proceed smoothly, and also in the case where a carbon material is used as the negative electrode material, there is a problem that the charge / discharge efficiency is not sufficient.
【０００７】さらに、負極材料として炭素材料と合金材
料とを複合化したものを用いる場合には、複合材料の微
細化により集電能力が低下し、充放電サイクルが進むに
伴って容量が低下する現象が発生するという問題点があ
った。Further, when a composite material of a carbon material and an alloy material is used as the negative electrode material, the current collecting capability is reduced due to the miniaturization of the composite material, and the capacity is reduced as the charge / discharge cycle proceeds. There is a problem that a phenomenon occurs.
【０００８】そこで、非水電解液二次電池においては、
より高いエネルギー密度化を達成し、さらに高容量でサ
イクル特性に優れた負極を開発することが望まれてい
た。Therefore, in a non-aqueous electrolyte secondary battery,
It has been desired to develop a negative electrode that achieves a higher energy density and has a higher capacity and superior cycle characteristics.
【０００９】[0009]
【課題を解決するための手段】上記問題点を解決するた
めに、本発明の非水電解液二次電池においては、負極と
して銅またはニッケルからなる集電体上に、リチウムの
吸蔵，放出が可能な金属または合金とリチウムの吸蔵，
放出が可能な炭素材料とを層状に形成することとしてい
る。In order to solve the above-mentioned problems, in the nonaqueous electrolyte secondary battery of the present invention, lithium is absorbed and released on a current collector made of copper or nickel as a negative electrode. Occlusion of possible metals or alloys and lithium,
The releaseable carbon material is formed in layers.
【００１０】このように負極を構成することにより、負
極全体のリチウムを吸蔵し、放出する能力が著しく向上
し、また、リチウム合金を用いた場合のように結晶が微
細化することを防止してリチウムの充放電反応を円滑に
進めることができ、さらに、金属または合金の層の上に
炭素材料層を形成しているので、炭素材料中に金属や合
金が分散化した場合に起こる膨張や収縮による金属また
は合金の微細化を阻止し、充放電サイクルの劣化を防止
することができる。そして、充放電効率を向上させ、電
池のエネルギー密度を高くすることができる。By constructing the negative electrode as described above, the ability of the entire negative electrode to occlude and release lithium can be significantly improved, and the crystal can be prevented from becoming finer as in the case of using a lithium alloy. The lithium charge / discharge reaction can proceed smoothly, and the carbon material layer is formed on the metal or alloy layer, so that the expansion or contraction that occurs when the metal or alloy is dispersed in the carbon material Can prevent the metal or alloy from being miniaturized, thereby preventing deterioration of the charge / discharge cycle. And the charge / discharge efficiency can be improved and the energy density of the battery can be increased.
【００１１】[0011]
【発明の実施の形態】本発明は、金属酸化物を用いた正
極と、負極と、この正極および負極間に介在させたセパ
レータと、非水電解液とを備え、前記負極は銅またはニ
ッケルからなる集電体の上に、リチウムの吸蔵，放出が
可能な金属または合金の層と、リチウムの吸蔵，放出が
可能な炭素材料の層とを形成しているものである。DETAILED DESCRIPTION OF THE INVENTION The present invention comprises a positive electrode using a metal oxide, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte, wherein the negative electrode is made of copper or nickel. A metal or alloy layer capable of inserting and extracting lithium and a carbon material layer capable of inserting and extracting lithium are formed on the current collector.
【００１２】また、リチウムの吸蔵，放出が可能な金属
または合金としては、Ｉｎ，Ｓｎ，ＩｎＳｎ合金，Ｇ
ａ，ＧａＩｎ合金，ＧａＳｎ合金のうちのいずれか一つ
の金属または合金を用いることができる。そして、金属
または合金の層は、メッキや吹き付け塗装の方法で形成
することが好ましい。Metals or alloys capable of inserting and extracting lithium include In, Sn, InSn alloy, and G
a, a GaIn alloy, or a GaSn alloy can be used. The metal or alloy layer is preferably formed by plating or spray coating.
【００１３】さらに、リチウムの吸蔵，放出が可能な炭
素材料としては、リチウムを吸蔵，放出することができ
る黒鉛、例えば球状黒鉛、天然黒鉛または石油コークス
等を用いることができる。Further, as the carbon material capable of storing and releasing lithium, graphite capable of storing and releasing lithium, for example, spherical graphite, natural graphite or petroleum coke can be used.
【００１４】上記のように構成された非水電解液二次電
池においては、銅またはニッケルからなる集電体の上に
形成した金属または合金の層、例えばＩｎ，Ｓｎ，Ｉｎ
Ｓｎ合金，Ｇａ，ＧａＩｎ合金，ＧａＳｎ合金等の層の
リチウム吸蔵能力およびリチウム放出能力が大きいこと
から充放電反応が円滑となる。In the non-aqueous electrolyte secondary battery configured as described above, a metal or alloy layer, for example, In, Sn, In, formed on a current collector made of copper or nickel.
Since the layers of Sn alloy, Ga, GaIn alloy, GaSn alloy and the like have a large lithium storage capacity and lithium release capacity, the charge / discharge reaction becomes smooth.
【００１５】さらに、金属または合金の層の上に形成す
る炭素材料層、例えば球状黒鉛、天然黒鉛または石油コ
ークスのような黒鉛の層が、金属または合金の層を形成
する金属または合金の微細化を阻止して充放電サイクル
の劣化を防止している。Further, a carbon material layer formed on the metal or alloy layer, for example, a graphite layer such as spheroidal graphite, natural graphite or petroleum coke may be used to reduce the size of the metal or alloy forming the metal or alloy layer. To prevent deterioration of the charge / discharge cycle.
【００１６】[0016]
【実施例】以下、本発明の実施例を図１ないし図３を参
照にしながら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.
【００１７】（実施例１）図１は、本発明の実施例に用
いたコイン型の非水電解液二次電池の断面図、図２は、
同二次電池における負極の要部説明図を示し、図におい
て１はステンレス鋼製ケース、２はステンレス製封口
板、３は一方の表面にＩｎメッキ層３ａを施した銅製の
負極集電体、４はＩｎメッキ層３ａに積層して形成した
リチウムを吸蔵，放出できる球状黒鉛とフッ素樹脂製粘
着剤とから構成した黒鉛層、５は負極で、負極集電体３
の表面にＩｎメッキ層３ａおよび黒鉛層４を順次積層し
て形成している。６はアルミニウム箔製の正極集電体
で、表面にＬｉＣｏＯ2 と、アセチレンブラックとフッ
素樹脂とで構成された正極活物質層７を形成して正極と
している。８はポリプロピレン樹脂製のセパレータ、９
はポリプロピレン樹脂製のガスケットである。電解液と
してはエチレンカーボネートとジエチルカーボネートと
の等体積混合溶媒に、ＬｉＰＦ6 を１モル／リットル溶
解して調整した非水電解液を用いた。この非水電解液二
次電池を実施例電池Ａとする。Embodiment 1 FIG. 1 is a sectional view of a coin-type non-aqueous electrolyte secondary battery used in an embodiment of the present invention, and FIG.
FIG. 2 is an explanatory view of a main part of a negative electrode in the secondary battery, wherein 1 is a stainless steel case, 2 is a stainless steel sealing plate, 3 is a copper negative electrode current collector having an In plating layer 3a on one surface, Reference numeral 4 denotes a graphite layer formed of a spheroidal graphite formed by laminating on the In plating layer 3a and capable of absorbing and releasing lithium, and a fluororesin adhesive, and 5 denotes a negative electrode, and a negative electrode current collector 3
Is formed by sequentially laminating an In plating layer 3a and a graphite layer 4 on the surface of the substrate. Reference numeral 6 denotes a positive electrode current collector made of aluminum foil, and a positive electrode active material layer 7 composed of LiCoO 2 , acetylene black, and a fluororesin is formed on the surface to form a positive electrode. 8 is a polypropylene resin separator, 9
Is a gasket made of polypropylene resin. As the electrolytic solution, a non-aqueous electrolytic solution prepared by dissolving LiPF 6 at 1 mol / L in an equal volume mixed solvent of ethylene carbonate and diethyl carbonate was used. This non-aqueous electrolyte secondary battery is referred to as Example Battery A.
【００１８】（実施例２）銅製の負極集電体３の表面上
にＩｎＳｎ合金のメッキ層を形成し、他は実施例電池Ａ
の場合と同様に構成した非水電解液二次電池を実施例電
池Ｂとする。(Example 2) An InSn alloy plating layer was formed on the surface of a negative electrode current collector 3 made of copper.
A non-aqueous electrolyte secondary battery constructed in the same manner as in the above case is referred to as Example Battery B.
【００１９】（実施例３）銅製の負極集電体３の表面上
にＳｎのメッキ層を形成し、他は実施例電池Ａと同様に
構成した非水電解液二次電池を実施例電池Ｃとする。(Example 3) A nonaqueous electrolyte secondary battery having the same structure as that of the battery A of the embodiment except that a plating layer of Sn was formed on the surface of the negative electrode current collector 3 made of copper was used. And
【００２０】（実施例４）銅製の負極集電体３の表面上
にＧａのメッキ層を形成し、他は実施例電池Ａの場合と
同様に構成した非水電解液二次電池を実施例電池Ｄとす
る。EXAMPLE 4 A non-aqueous electrolyte secondary battery having the same structure as that of the battery A of the example A except that a plating layer of Ga was formed on the surface of the negative electrode current collector 3 made of copper was used. Battery D.
【００２１】（実施例５）銅製の負極集電体３の表面上
にＧａＩｎ合金のメッキ層を形成し、他は実施例電池Ａ
と同様に構成した非水電解液二次電池を実施例電池Ｅと
する。Example 5 A battery of Example A was formed by forming a GaIn alloy plating layer on the surface of a copper negative electrode current collector 3.
A non-aqueous electrolyte secondary battery configured in the same manner as in Example 1 is referred to as Example Battery E.
【００２２】（実施例６）銅製の負極集電体３の表面上
にＧａＳｎ合金のメッキ層を形成し、他は実施例電池Ａ
と同様に構成した非水電解液二次電池を実施例電池Ｆと
する。(Example 6) A GaSn alloy plating layer was formed on the surface of a negative electrode current collector 3 made of copper.
A non-aqueous electrolyte secondary battery configured in the same manner as in Example 1 is referred to as Example Battery F.
【００２３】（比較例１）銅製の負極集電体の表面上
に、球状黒鉛と結着材であるフッ素樹脂とを混合した合
剤層を形成した負極を用い、他は実施例電池Ａと同様に
構成した非水電解液二次電池を比較例電池Ｇとする。(Comparative Example 1) A negative electrode in which a mixture layer formed by mixing spherical graphite and a fluororesin as a binder was formed on the surface of a negative electrode current collector made of copper was used. A non-aqueous electrolyte secondary battery having the same configuration is referred to as Comparative Example Battery G.
【００２４】（比較例２）銅製の負極集電体の表面上
に、Ｓｎ粉末を球状黒鉛に分散化してフッ素樹脂を結着
材として混合した合剤層を形成した負極を用い、他は実
施例電池Ａと同様に構成した非水電解液二次電池を比較
例電池Ｈとする。(Comparative Example 2) A negative electrode was used in which a mixture layer formed by dispersing Sn powder in spherical graphite and mixing with a fluororesin as a binder was formed on the surface of a negative electrode current collector made of copper. A non-aqueous electrolyte secondary battery configured in the same manner as the example battery A is referred to as a comparative example battery H.
【００２５】図３は、実施例１，実施例２および実施例
３による非水電解液二次電池と比較例１および比較例２
による非水電解液二次電池を、それぞれ０．５ｍＡの定
電流で４．１Ｖから３Ｖの範囲で充放電サイクルを行っ
た際の、放電容量とサイクルの関係を示したものであ
る。図から明らかなように、本発明の実施例による非水
電解液二次電池は、比較例による非水電解液二次電池と
比較して容量が大きく、サイクル特性も非常に良好であ
ることがわかる。また、実施例電池Ｄ，Ｅ，Ｆについて
も充放電サイクル特性が良好であることを確認してい
る。なお、比較例電池Ｈの場合は、Ｓｎが炭素材料によ
り覆われていないため微細化が起こりやすく、サイクル
経過に伴う容量の劣化が大きくなっている。FIG. 3 shows the non-aqueous electrolyte secondary batteries according to Examples 1, 2 and 3 and Comparative Examples 1 and 2.
1 shows the relationship between the discharge capacity and the cycle when a non-aqueous electrolyte secondary battery was subjected to a charge / discharge cycle in a range of 4.1 V to 3 V at a constant current of 0.5 mA. As is clear from the figure, the nonaqueous electrolyte secondary battery according to the example of the present invention has a larger capacity and very good cycle characteristics as compared with the nonaqueous electrolyte secondary battery according to the comparative example. Recognize. In addition, it was confirmed that the charge / discharge cycle characteristics of the batteries D, E, and F of the example were also good. In the case of Comparative Example Battery H, Sn is not covered with the carbon material, so that miniaturization is apt to occur, and the deterioration of capacity with the passage of cycles is large.
【００２６】以上の実施例では、負極の炭素材料として
球状黒鉛を用いたが、これ以外に石油コークス等の炭素
材料を用いることも可能であり、負極集電体に形成する
金属または合金の層はメッキ層としたが、吹き付け塗装
により金属または合金の層を形成した場合でも同様の結
果が得られる。また、金属または合金の層の材料もＩ
ｎ，Ｓｎ，ＩｎＳｎ合金，Ｇａ，ＧａＩｎ合金，ＧａＳ
ｎ合金を用いたが、リチウムを吸蔵し、放出することが
可能で、負極集電体に密着性良く形成することができる
金属または合金の層であればこれに限定されるものでは
ない。In the above embodiment, spheroidal graphite was used as the carbon material for the negative electrode. However, a carbon material such as petroleum coke may be used in addition to this, and the metal or alloy layer formed on the negative electrode current collector may be used. Is a plated layer, but similar results can be obtained when a metal or alloy layer is formed by spray painting. The material of the metal or alloy layer is also I
n, Sn, InSn alloy, Ga, GaIn alloy, GaS
Although an n-alloy is used, the layer is not limited to a metal or alloy layer that can occlude and release lithium and can be formed with good adhesion to the negative electrode current collector.
【００２７】[0027]
【発明の効果】本発明は以上説明したように、その実施
の形態が金属酸化物を用いた正極と負極とセパレータと
非水電解液とを備えた非水電解液二次電池において、負
極集電体に、リチウムを吸蔵，放出することができる金
属または合金の層とリチウムを吸蔵，放出することがで
きる炭素材料の層とを順次積層して負極としたものであ
るので、負極全体のリチウムの吸蔵，放出能力を著しく
高めることができる。As described above, the present invention relates to a non-aqueous electrolyte secondary battery including a metal oxide-based positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte. Since a negative electrode is formed by sequentially laminating a metal or alloy layer capable of inserting and extracting lithium and a carbon material layer capable of inserting and extracting lithium on an electric conductor, the lithium of the entire negative electrode is formed. Can significantly increase the occlusion and release capabilities.
【００２８】また、炭素材料中に金属を添加した場合に
発生する充放電時の膨張や収縮による添加金属の微細
化、あるいは集電体にリチウム合金を用いた場合に発生
する集電体自体の微細化を防止することができる。Further, the added metal is made finer due to expansion and contraction during charge / discharge generated when a metal is added to the carbon material, or the current collector itself generated when a lithium alloy is used as the current collector. Miniaturization can be prevented.
【図１】本発明の実施例における非水電解液二次電池の
断面図FIG. 1 is a cross-sectional view of a non-aqueous electrolyte secondary battery according to an embodiment of the present invention.
【図２】同非水電解液二次電池における負極の要部説明
図FIG. 2 is an explanatory view of a main part of a negative electrode in the nonaqueous electrolyte secondary battery.
【図３】同非水電解液二次電池の充放電サイクル特性図FIG. 3 is a charge / discharge cycle characteristic diagram of the nonaqueous electrolyte secondary battery.
【符号の説明】 ３ 負極集電体 ３ａ Ｉｎメッキ層 ４ 黒鉛層 ５ 負極 ６ 正極集電体 ７ 正極活物質層 ８ セパレータ[Description of Signs] 3 Negative electrode current collector 3a In plating layer 4 Graphite layer 5 Negative electrode 6 Positive electrode current collector 7 Positive electrode active material layer 8 Separator
───────────────────────────────────────────────────── フロントページの続き (72)発明者 藤田 秀明 大阪府守口市松下町１番１号 松下電池工 業株式会社内 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hideaki Fujita 1-1, Matsushita-cho, Moriguchi-shi, Osaka Matsushita Battery Industry Co., Ltd.
Claims (3)
正極および負極間に介在させたセパレータと、非水電解
液とを備え、前記負極は銅またはニッケルからなる集電
体に形成したリチウムの吸蔵，放出が可能な金属または
合金の層と、リチウムの吸蔵，放出が可能な炭素材料の
層とを有する非水電解液二次電池。A positive electrode using a metal oxide, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte, wherein the negative electrode is formed of a current collector made of copper or nickel. A non-aqueous electrolyte secondary battery comprising a metal or alloy layer capable of inserting and extracting lithium and a carbon material layer capable of inserting and extracting lithium.
合金が、Ｉｎ，Ｓｎ，ＩｎＳｎ合金，Ｇａ，ＧａＩｎ合
金，ＧａＳｎ合金の群から選ばれたいずれか一つの金属
または合金である請求項１記載の非水電解液二次電池。2. The metal or alloy capable of inserting and extracting lithium is any one metal or alloy selected from the group consisting of In, Sn, InSn alloy, Ga, GaIn alloy and GaSn alloy. The non-aqueous electrolyte secondary battery according to the above.
が、球状黒鉛、天然黒鉛、石油コークスの群か選ばれた
いずれか一つの黒鉛である請求項１記載の非水電解液二
次電池。3. The non-aqueous electrolyte secondary battery according to claim 1, wherein the carbon material capable of occluding and releasing lithium is any one selected from the group consisting of spheroidal graphite, natural graphite, and petroleum coke. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8240283A JPH1092414A (en) | 1996-09-11 | 1996-09-11 | Nonaqueous electrolyte secondary battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8240283A JPH1092414A (en) | 1996-09-11 | 1996-09-11 | Nonaqueous electrolyte secondary battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1092414A true JPH1092414A (en) | 1998-04-10 |
Family
ID=17057187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8240283A Pending JPH1092414A (en) | 1996-09-11 | 1996-09-11 | Nonaqueous electrolyte secondary battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1092414A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11242954A (en) * | 1997-01-28 | 1999-09-07 | Canon Inc | Electrode structural body, secondary battery, and their manufacture |
| JP2002237295A (en) * | 2001-02-09 | 2002-08-23 | Matsushita Electric Ind Co Ltd | Lithium secondary battery and its manufacturing method |
| JP2002280064A (en) * | 2001-03-16 | 2002-09-27 | Sony Corp | Electrolyte and battery |
| JP2003217574A (en) * | 2002-01-23 | 2003-07-31 | Nec Corp | Negative electrode for secondary battery and secondary battery using the same |
| WO2003073535A1 (en) * | 2002-02-26 | 2003-09-04 | Nec Corporation | Negative electrode for secondary cell, secondary cell, and method for producing negative electrode for secondary cell |
| JP2003346787A (en) * | 2002-05-27 | 2003-12-05 | Sony Corp | Non-aqueous electrolyte battery and its manufacturing method |
| JP2005293960A (en) * | 2004-03-31 | 2005-10-20 | Jfe Chemical Corp | Anode for lithium ion secondary battery, and lithium ion secondary battery |
| JP2007214127A (en) * | 2006-02-10 | 2007-08-23 | Samsung Sdi Co Ltd | Negative active material for lithium secondary battery, its manufacturing method, and lithium secondary battery containing it |
| JP2010010144A (en) | 2009-10-09 | 2010-01-14 | Hitachi Maxell Ltd | Flat nonaqueous electrolyte secondary battery |
| JP2010245050A (en) * | 2010-06-30 | 2010-10-28 | Panasonic Corp | Negative electrode for lithium ion secondary battery, and method of manufacturing the same, and lithium ion secondary battery using the same |
| JP2014531120A (en) * | 2011-10-25 | 2014-11-20 | エルジー・ケム・リミテッド | Secondary battery negative electrode and secondary battery including the same |
| JP2016173913A (en) * | 2015-03-17 | 2016-09-29 | 古河機械金属株式会社 | Negative electrode material, negative electrode for lithium ion battery, and lithium ion battery |
| JP2019192653A (en) * | 2019-08-07 | 2019-10-31 | 古河機械金属株式会社 | Negative electrode material, negative electrode for lithium ion battery, and lithium ion battery |
-
1996
- 1996-09-11 JP JP8240283A patent/JPH1092414A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11242954A (en) * | 1997-01-28 | 1999-09-07 | Canon Inc | Electrode structural body, secondary battery, and their manufacture |
| JP2002237295A (en) * | 2001-02-09 | 2002-08-23 | Matsushita Electric Ind Co Ltd | Lithium secondary battery and its manufacturing method |
| JP2002280064A (en) * | 2001-03-16 | 2002-09-27 | Sony Corp | Electrolyte and battery |
| JP4701579B2 (en) * | 2002-01-23 | 2011-06-15 | 日本電気株式会社 | Negative electrode for secondary battery |
| JP2003217574A (en) * | 2002-01-23 | 2003-07-31 | Nec Corp | Negative electrode for secondary battery and secondary battery using the same |
| WO2003073535A1 (en) * | 2002-02-26 | 2003-09-04 | Nec Corporation | Negative electrode for secondary cell, secondary cell, and method for producing negative electrode for secondary cell |
| JP2003346787A (en) * | 2002-05-27 | 2003-12-05 | Sony Corp | Non-aqueous electrolyte battery and its manufacturing method |
| JP2005293960A (en) * | 2004-03-31 | 2005-10-20 | Jfe Chemical Corp | Anode for lithium ion secondary battery, and lithium ion secondary battery |
| JP2007214127A (en) * | 2006-02-10 | 2007-08-23 | Samsung Sdi Co Ltd | Negative active material for lithium secondary battery, its manufacturing method, and lithium secondary battery containing it |
| JP2010010144A (en) | 2009-10-09 | 2010-01-14 | Hitachi Maxell Ltd | Flat nonaqueous electrolyte secondary battery |
| JP2010245050A (en) * | 2010-06-30 | 2010-10-28 | Panasonic Corp | Negative electrode for lithium ion secondary battery, and method of manufacturing the same, and lithium ion secondary battery using the same |
| JP2014531120A (en) * | 2011-10-25 | 2014-11-20 | エルジー・ケム・リミテッド | Secondary battery negative electrode and secondary battery including the same |
| US9005819B2 (en) | 2011-10-25 | 2015-04-14 | Lg Chem, Ltd. | Anode for secondary battery and secondary battery having the same |
| JP2016173913A (en) * | 2015-03-17 | 2016-09-29 | 古河機械金属株式会社 | Negative electrode material, negative electrode for lithium ion battery, and lithium ion battery |
| JP2019192653A (en) * | 2019-08-07 | 2019-10-31 | 古河機械金属株式会社 | Negative electrode material, negative electrode for lithium ion battery, and lithium ion battery |
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