JP3008269B2 - Rechargeable battery - Google Patents
Rechargeable batteryInfo
- Publication number
- JP3008269B2 JP3008269B2 JP9055801A JP5580197A JP3008269B2 JP 3008269 B2 JP3008269 B2 JP 3008269B2 JP 9055801 A JP9055801 A JP 9055801A JP 5580197 A JP5580197 A JP 5580197A JP 3008269 B2 JP3008269 B2 JP 3008269B2
- Authority
- JP
- Japan
- Prior art keywords
- negative electrode
- secondary battery
- lithium
- powder
- positive electrode
- 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.)
- Expired - Lifetime
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
Description
【０００１】[0001]
【発明の属する技術分野】本発明はリチウム二次電池に
関する。[0001] The present invention relates to a lithium secondary battery.
【０００２】[0002]
【発明が解決しようとする課題】現在、リチウム二次電
池用負極活物質として、主に、炭素質材料が用いられて
いる。しかし、炭素質材料は、充・放電容量が理論的な
容量３７２ｍＡｈ／ｇ前後に過ぎない。又、高速な充・
放電が出来ない。更には、炭素質材料は密度が小さいの
で、体積当たりの容量が劣る。At present, carbonaceous materials are mainly used as negative electrode active materials for lithium secondary batteries. However, the charge / discharge capacity of the carbonaceous material is only about 372 mAh / g, which is the theoretical capacity. Also, fast charging
Discharge is not possible. Furthermore, since the carbonaceous material has a low density, the capacity per volume is inferior.
【０００３】又、プロシーディング オブ ザ シンポ
ジウム オン リチャージアブルリチウム アンド リ
チウムイオン バッテリーズ（ｐ１５８，１９９５年）
やソリッド ステート イオニクス（Ｖｏｌ．７４，ｐ
２４９，１９９４年）では、炭素材料の改良として、炭
素材料に珪素を少量だけ添加することが提案されてい
る。すなわち、珪素を含有させたポリマーを焼成してな
る電極が提案されている。Also, Proceeding of the Symposium on Rechargeable Lithium and Lithium Ion Batteries (p. 158, 1995)
And solid state ionics (Vol. 74, p.
249, 1994) proposes to add a small amount of silicon to the carbon material as an improvement of the carbon material. That is, an electrode formed by firing a polymer containing silicon has been proposed.
【０００４】しかし、これでも、充・放電容量が５００
ｍＡｈ／ｇ前後に過ぎない。従って、本発明が解決しよ
うとする課題は、充・放電容量が大きく、かつ、大電流
密度にも耐え得る二次電池を提供することである。However, even in this case, the charge / discharge capacity is 500
It is only around mAh / g. Therefore, an object of the present invention is to provide a secondary battery that has a large charge / discharge capacity and can withstand a large current density.
【０００５】[0005]
【課題を解決するための手段】前記本発明の課題は、Ｓ
ｉ粉末と導電剤と結着剤とが用いられ、かつ、前記Ｓｉ
粉末が体積当たり２０〜７０％の割合で用いられて構成
されてなる（但し、Ｓｉ微粒子が黒鉛粒子中に分散して
いる黒鉛複合物で構成されてなるものは除く。）負極
と、 正極と、 電解質物質とからなることを特徴とする二
次電池によって解決される。Means for Solving the Problems The object of the present invention, S
i powder, a conductive agent and a binder, and the Si powder
Powder is used at a rate of 20-70% by volume
(However, Si fine particles are dispersed in graphite particles
Excluding those composed of graphite composites. ) Negative electrode
, A positive electrode, and an electrolyte material.
Solved by the battery below .
【０００６】尚、上記二次電池において、正極はリチウ
ムを含む物質を用いて構成されたものが好ましい。又、
電解質物質はリチウム塩を有機溶媒に溶解した非水系電
解液であるものが好ましい。In the above secondary battery, it is preferable that the positive electrode is made of a material containing lithium. or,
The electrolyte substance is preferably a non-aqueous electrolyte in which a lithium salt is dissolved in an organic solvent.
【０００７】そして、上記Ｓｉ粉末を用いて構成された
電極を具備させた二次電池は、充・放電容量が大きく、
かつ、大電流密度にも耐え得る。[0007] A secondary battery provided with an electrode composed of the Si powder has a large charge / discharge capacity.
In addition, it can withstand a large current density.
【０００８】[0008]
【発明の実施の形態】本発明の二次電池の負極は、Ｓｉ
粉末と導電剤と結着剤とを用いて構成されてなり、前記
Ｓｉ粉末が体積当たり２０〜７０％（好ましくは下限値
が３０％）の割合で用いられて構成されてなる。BEST MODE FOR CARRYING OUT THE INVENTION The negative electrode of the secondary battery of the present invention is Si
It is constituted by using a powder, a conductive agent and a binder, and
Si powder is used in a ratio of 20 to 70% (preferably the lower limit is 30%) per volume .
【０００９】本発明の二次電池は、Ｓｉ粉末と導電剤と
結着剤とが用いられ、かつ、前記Ｓｉ粉末が体積当たり
２０〜７０％の割合で用いられて構成されてなる（但
し、Ｓｉ微粒子が黒鉛粒子中に分散している黒鉛複合物
で構成されてなるものは除く。）負極と、正極と、電解
質物質とからなる。この二次電池において、正極はリチ
ウムを含む物質を用いて構成されたものである。又、電
解質物質はリチウム塩を有機溶媒に溶解した非水系電解
液である。以下、更に、詳しく説明する。[0009] The secondary battery according to the present invention comprises a Si powder and a conductive agent.
A binder is used, and the Si powder is used per volume.
It is configured to be used at a ratio of 20 to 70% (however,
And a graphite composite in which Si fine particles are dispersed in graphite particles
Excluding those consisting of ) Negative electrode, positive electrode, and electrolysis
Material . In this secondary battery, the positive electrode is formed using a substance containing lithium. The electrolyte substance is a non-aqueous electrolyte in which a lithium salt is dissolved in an organic solvent. Hereinafter, this will be described in more detail.
【００１０】〔負極活物質（Ｓｉ）〕 Ｓｉで表される物質は、結晶構造のものでも、非晶質構
造のものでもよく、又、それらの混合物であっても良
い。[Negative Electrode Active Material (Si)] The material represented by Si may have a crystalline structure, an amorphous structure, or a mixture thereof.
【００１１】本発明においては、負極活物質として、Ｓ
ｉで表される物質が電極体積当たり２０〜７０％の割合
で用いられて構成される。好ましい割合は、電極体積当
たり、上限値が５０％である。又、下限値が３０％であ
る。In the present invention, as the negative electrode active material, S
The material represented by i is used at a rate of 20 to 70% per electrode volume. A preferred ratio is 50% of the upper limit per electrode volume. The lower limit is 30%.
【００１２】[0012]
【００１３】〔負極〕 Ｓｉで表される負極活物質を用いて電極（負極）が構成
される。特に、上記負極活物質の他にも、導電剤や結着
剤が用いられる。更には、フィラーも必要に応じて用い
られる。これらは、Ｓｉで表される物質が上記条件を満
たす範囲内で使用される。[Negative Electrode] An electrode (negative electrode) is formed using a negative electrode active material represented by Si. In particular, a conductive agent and a binder are used in addition to the above-mentioned negative electrode active material. Further, a filler is used as needed. These are used within a range where the substance represented by Si satisfies the above conditions.
【００１４】導電剤は、構成された電池において、分解
や変質を起こさない電子伝導性の材料であれば良い。具
体的には、天然黒鉛や合成黒鉛などの黒鉛、カーボンブ
ラック、アセチレンブラック、炭素繊維、金属粉末、金
属繊維、あるいは特開昭５９−２０９７１号公報に記載
のようなポリフェニレン誘導体の中から選ばれる一種又
は二種以上の混合物、その他導電性ポリマーが用いられ
る。中でもアセチレンブラックを用いるのが好ましい。The conductive agent may be an electronically conductive material which does not cause decomposition or deterioration in the constructed battery. Specifically, it is selected from graphite such as natural graphite or synthetic graphite, carbon black, acetylene black, carbon fiber, metal powder, metal fiber, or polyphenylene derivative as described in JP-A-59-20971. One kind or a mixture of two or more kinds, and other conductive polymers are used. Among them, it is preferable to use acetylene black.
【００１５】結着剤としては、澱粉などの多糖類、ポリ
ビニルアルコール、カルボキシメチルセルロース、ヒド
ロキシプロピルセルロース、再生セルロース、ジアセチ
ルセルロース、ポリ塩化ビニル、ポリビニルピロリド
ン、テトラフルオロエチレン、ポリフッ化ビニリデン、
ポリエチレン、ポリプロピレン、スチレンブタジエンゴ
ム、フッ素ゴム、ポリエチレンオキサイド等の熱可塑性
樹脂、ゴム弾性を有するポリマー等の中から選ばれる一
種又は二種以上の混合物が用いられる。尚、多糖類の如
く、リチウムと反応する官能基があるものを用いる場合
には、例えばイソシアネート基を持つ化合物を添加して
おき、その官能基を失活させておくのが好ましい。Examples of the binder include polysaccharides such as starch, polyvinyl alcohol, carboxymethylcellulose, hydroxypropylcellulose, regenerated cellulose, diacetylcellulose, polyvinyl chloride, polyvinylpyrrolidone, tetrafluoroethylene, polyvinylidene fluoride,
One or a mixture of two or more selected from thermoplastic resins such as polyethylene, polypropylene, styrene-butadiene rubber, fluororubber, and polyethylene oxide, and polymers having rubber elasticity are used. In addition, when using what has a functional group which reacts with lithium like a polysaccharide, it is preferable to add the compound which has an isocyanate group, for example, and to deactivate the functional group.
【００１６】フィラーは、構成された電池において、化
学変化を起こさない繊維状の材料であれば良い。具体的
には、ポリプロピレン、ポリエチレン等のオレフィン系
ポリマー、あるいはガラス繊維が用いられる。そして、
電極（負極）は、上記構成材料を混練し、所定の形状に
成形することによって得られる。The filler may be any fibrous material that does not cause a chemical change in the battery constructed. Specifically, olefin polymers such as polypropylene and polyethylene, or glass fibers are used. And
The electrode (negative electrode) is obtained by kneading the above constituent materials and molding the mixture into a predetermined shape.
【００１７】〔電解質物質〕電解質物質としては電解液
が用いられる。電解液を構成する溶媒としては、プロピ
レンカーボネート、エチレンカーボネート、ブチレンカ
ーボネート、ジエチルカーボネート、テトラヒドロフラ
ン、ジメチルスルフォキシド、アセトニトリル等の有機
溶媒、特に非プロトン性の溶媒が用いられる。溶質とし
ては、リチウム塩が用いられる。リチウム塩としては、
例えばＬｉＣｌＯ4 ，ＬｉＢＦ6 ，ＬｉＰＦ6 ，ＬｉＣ
Ｆ3 ＳＯ3 ，ＬｉＣｌ，ＬｉＢｒ，ＬｉＩ等の群の中か
ら選ばれる一種又は二種以上のものが用いられる。[Electrolyte] An electrolyte is used as the electrolyte. As a solvent constituting the electrolytic solution, an organic solvent such as propylene carbonate, ethylene carbonate, butylene carbonate, diethyl carbonate, tetrahydrofuran, dimethyl sulfoxide, and acetonitrile, particularly an aprotic solvent is used. As the solute, a lithium salt is used. As lithium salts,
For example, LiClO 4 , LiBF 6 , LiPF 6 , LiC
One or two or more selected from the group of F 3 SO 3 , LiCl, LiBr, LiI and the like are used.
【００１８】上記電解液の他にも固体電解質を用いるこ
とが出来る。固体電解質としては、無機固体電解質と有
機固体電解質とがある。無機固体電解質と有機固体電解
質とを併用しても良い。無機固体電解質としては、リチ
ウムの酸化物、硫化物、窒化物やハロゲン化物が挙げら
れる。有機固体電解質としては、ポリエチレンオキサイ
ド誘導体、又はポリエチレンオキサイド誘導体を含むポ
リマー、ポリプロピレンオキサイド誘導体、又はポリプ
ロピレンオキサイド誘導体を含むポリマー等が挙げられ
る。A solid electrolyte can be used in addition to the above electrolyte. The solid electrolyte includes an inorganic solid electrolyte and an organic solid electrolyte. You may use together an inorganic solid electrolyte and an organic solid electrolyte. Examples of the inorganic solid electrolyte include oxides, sulfides, nitrides, and halides of lithium. Examples of the organic solid electrolyte include a polyethylene oxide derivative, a polymer containing a polyethylene oxide derivative, a polypropylene oxide derivative, and a polymer containing a polypropylene oxide derivative.
【００１９】その他にも、ポリアクリロニトリルを電解
液に添加したものであっても良い。 〔正極〕正極は、リチウムを含む物質で構成される。或
いは、正極活物質を用いて負極と同様にして構成され
る。特に、リチウム含有遷移金属酸化物を用いて負極と
同様にして構成される。リチウム含有遷移金属酸化物と
しては、リチウムを含有した遷移金属（Ｔｉ，Ｖ，Ｃ
ｒ，Ｍｎ，Ｆｅ，Ｃｏ，Ｎｉ，Ｃｕ，Ｍｏ，Ｗ等）の酸
化物が挙げられる。又、リチウム以外のアルカリ金属、
アルカリ土類金属、半金属のＡｌ，Ｇａ，Ｉｎ，Ｇｅ，
Ｓｎ，Ｐｂ，Ｓｂ，Ｂｉ，Ｂ等が混合されても良い。こ
れらの物質の混合割合は０〜４０モル％が好ましい。In addition, polyacrylonitrile may be added to the electrolytic solution. [Positive electrode] The positive electrode is made of a substance containing lithium. Alternatively, it is configured in the same manner as the negative electrode using the positive electrode active material. In particular, it is configured in the same manner as the negative electrode using a lithium-containing transition metal oxide. As the lithium-containing transition metal oxide, a transition metal containing lithium (Ti, V, C
(r, Mn, Fe, Co, Ni, Cu, Mo, W, etc.). Also, alkali metals other than lithium,
Alkaline earth metals, semimetals Al, Ga, In, Ge,
Sn, Pb, Sb, Bi, B, etc. may be mixed. The mixing ratio of these substances is preferably 0 to 40 mol%.
【００２０】以下、具体的な実施例を挙げて説明する。Hereinafter, a specific embodiment will be described.
【００２１】[0021]
【実施例１】 〔負極〕５５重量部のＳｉ粉末（負極活物質、直径０．
０４ｍｍ）と、４０重量部のアセチレンブラック（導電
剤）と、５重量部のテトラフルオロエチレン（結着剤）
との混合物を混練した後、フィルム状に圧延し、円形に
打ち抜いて電極ペレットとした。この電極ペレットを１
１０℃で１２時間かけて真空乾燥した。Example 1 [Negative electrode] 55 parts by weight of Si powder (negative electrode active material;
04 mm), 40 parts by weight of acetylene black (conductive agent), and 5 parts by weight of tetrafluoroethylene (binder)
After kneading the mixture, the mixture was rolled into a film and punched out into a circular shape to obtain an electrode pellet. This electrode pellet is
Vacuum dried at 10 ° C. for 12 hours.
【００２２】尚、本実施例の負極におけるＳｉの割合
は、４５％（電極体積当たり）であった。 〔正極〕７５重量部のＬｉＭｎ11/6Ｃｒ1/12Ｂ1/12Ｏ4
（正極活物質）と、２０重量部のアセチレンブラック
（導電剤）と、５重量部のテトラフルオロエチレン（結
着剤）との混合物を混練した後、フィルム状に圧延し、
円形に打ち抜いて電極ペレットとした。この電極ペレッ
トを１１０℃で１２時間かけて真空乾燥した。The percentage of Si in the negative electrode of this example was 45% (per electrode volume). [Positive electrode] 75 parts by weight of LiMn 11/6 Cr 1/12 B 1/12 O 4
After kneading a mixture of (positive electrode active material), 20 parts by weight of acetylene black (conductive agent) and 5 parts by weight of tetrafluoroethylene (binder), the mixture was rolled into a film,
It was punched out in a circular shape to obtain an electrode pellet. The electrode pellet was vacuum dried at 110 ° C. for 12 hours.
【００２３】〔電解液〕溶媒としてエチレンカーボネー
トとジエチレンカーボネートとの等量混合溶液を用い、
ＬｉＣｌＯ4 を１ｍｏｌ／リットルの割合で溶解した。 〔リチウム二次電池〕図１に示す構造のリチウム二次電
池を作製した。尚、図１中、１は導線、２は直径８ｍｍ
のステンレス棒、３は外径１０ｍｍ、内径８ｍｍの石英
ガラス管、４はｏリング、５は上記構成の正極、６はセ
パレータ、７は上記構成の負極であり、セパレータ６の
両側における石英ガラス管３内には上記電解液が充填さ
れている。本実施例において、正極は負極に対して過剰
量用いた。[Electrolyte] Using a mixed solution of equal amounts of ethylene carbonate and diethylene carbonate as a solvent,
LiClO 4 was dissolved at a rate of 1 mol / liter. [Lithium Secondary Battery] A lithium secondary battery having the structure shown in FIG. 1 was produced. In addition, in FIG. 1, 1 is a conducting wire and 2 is a diameter of 8 mm.
3 is a quartz glass tube having an outer diameter of 10 mm and an inner diameter of 8 mm, 4 is an o-ring, 5 is a positive electrode having the above structure, 6 is a separator, and 7 is a negative electrode having the above structure. The inside of 3 is filled with the electrolytic solution. In this example, the positive electrode was used in excess of the negative electrode.
【００２４】[0024]
【比較例３】実施例１において、負極に用いたＳｉ粉末
の代わりに、Ｌｉx Ｓｉ（０＜ｘ≦４）の一例であるＬ
ｉＳｉの粉末を用いた以外は同様に行い、リチウム二次
電池を作製した。尚、本比較例の負極におけるＬｉＳｉ
の割合は、４５％（電極体積当たり）であった。Comparative Example 3 In Example 1, L, which is an example of Li x Si (0 <x ≦ 4), was used instead of the Si powder used for the negative electrode.
A lithium secondary battery was manufactured in the same manner except that iSi powder was used. The LiSi in the negative electrode of this comparative example
Was 45% (per electrode volume).
【００２５】[0025]
【比較例１】実施例１において、Ｓｉ製負極の代わりに
高結晶性の天然黒鉛製の負極を用いた以外は同様に行
い、リチウム二次電池を作製した。Comparative Example 1 A lithium secondary battery was produced in the same manner as in Example 1, except that a negative electrode made of natural graphite having high crystallinity was used instead of the negative electrode made of Si.
【００２６】[0026]
【比較例２】実施例１において、Ｓｉ製負極の代わりに
低結晶性の低温焼成炭素製の負極を用いた以外は同様に
行い、リチウム二次電池を作製した。Comparative Example 2 A lithium secondary battery was manufactured in the same manner as in Example 1, except that a negative electrode made of low-crystalline low-temperature fired carbon was used instead of the negative electrode made of Si.
【００２７】[0027]
【特性】上記各例のリチウム二次電池について、充・放
電試験を行った。尚、試験はリチウムを負極側に挿入す
る電流方向（充電）から始めた。この充・放電試験の結
果を表−１及び図２，３に示す。 表−１ 負極活物質 電流密度 重量当たり容量密度 容積当たり容量密度 mA/cm2 Ａｈ／ｋｇ Ａｈ／Ｌ 実施例１ Ｓｉ ０．１ ３４１５ ７９５７ ０．５ ２７４０ ６３８４ １．０ ２１３３ ４９７０比較例３ ＬｉＳｉ ０．１ ３２４１ ７５４９ 比較例１ 天然黒鉛 ０．１ ３０５ ６８７ ０．２ ２４５ ５５２ ０．４ １７７ ３９７ ０．６ １１５ ２５９ １．０ ３８ ８５ 比較例２ 低温焼成炭素 ０．１ ２３２ ４１７ ０．２ ２１３ ３８４ ０．４ １９６ ３５４ ０．６ １７５ ３１６ １．０ １５２ ２７３ これから判る通り、本発明になるものは、大容量を持
ち、かつ、高電流密度での充・放電を行える。[Characteristics] A charge / discharge test was performed on the lithium secondary batteries of the above examples. The test was started from the current direction (charging) in which lithium was inserted into the negative electrode side. The results of this charge / discharge test are shown in Table 1 and FIGS. Table 1 Negative electrode active material Current density Capacity density per weight Capacity density per volume mA / cm 2 Ah / kg Ah / L Example 1 Si 0.1 3415 7957 0.5 2740 6384 1.0 2133 4970 Comparative Example 3 LiSi 0 0.13241 7549 Comparative Example 1 Natural graphite 0.1 305 687 0.2 245 552 0.4 177 397 0.6 115 259 1.0 38 85 Comparative Example 2 Low-temperature calcined carbon 0.1 232 417 0.2 213 384 0.4 196 354 0.6 175 316 1.0 152 273 As can be seen from the above, the present invention has a large capacity and can perform charge / discharge at a high current density.
【００２８】[0028]
【発明の効果】大容量を持ち、かつ、高電流密度での充
・放電を行えるリチウム二次電池が得られる。According to the present invention, a lithium secondary battery having a large capacity and capable of charging and discharging at a high current density can be obtained.
【図１】リチウム二次電池の概略図FIG. 1 is a schematic diagram of a lithium secondary battery.
【図２】実施例１のリチウム二次電池の充・放電特性を
示すグラフFIG. 2 is a graph showing charge / discharge characteristics of a lithium secondary battery of Example 1.
【図３】充・放電時の電流密度−容量変化の関係を示す
グラフFIG. 3 is a graph showing a relationship between a current density and a change in capacity during charge / discharge.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平10−208740（ＪＰ，Ａ) 特開 平５−74463（ＪＰ，Ａ) 特開 平７−296798（ＪＰ，Ａ) 特開 平７−315822（ＪＰ，Ａ) 特開 平９−249407（ＪＰ，Ａ) 特開 平10−223220（ＪＰ，Ａ) 特開 平10−125317（ＪＰ，Ａ) 特開 平10−199524（ＪＰ，Ａ) 特開 平７−240201（ＪＰ，Ａ) 特開 平７−249410（ＪＰ，Ａ) Ｐｒｏｃｅｅｄｉｎｇｓ ｏｆ ｔｈ ｅ Ｅｌｅｃｔｒｏｃｈｅｍｉｃａｌ Ｓｏｃｉｅｔｙ，87−１，ｐ．356−364 (58)調査した分野(Int.Cl.7，ＤＢ名) H01M 4/02 H01M 4/38 H01M 10/40 ──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-10-208740 (JP, A) JP-A-5-74463 (JP, A) JP-A-7-296798 (JP, A) JP-A-7-296 315822 (JP, A) JP 9-249407 (JP, A) JP 10-223220 (JP, A) JP 10-125317 (JP, A) JP 10-199524 (JP, A) JP-A-7-240201 (JP, A) JP-A-7-249410 (JP, A) Proceedings of the Electrochemical Society, 87-1, p. 356-364 (58) Fields surveyed (Int.Cl. 7 , DB name) H01M 4/02 H01M 4/38 H01M 10/40
Claims (3)
れ、かつ、前記Ｓｉ粉末が体積当たり２０〜７０％の割
合で用いられて構成されてなる（但し、Ｓｉ微粒子が黒
鉛粒子中に分散している黒鉛複合物で構成されてなるも
のは除く。）負極と、 正極と、 電解質物質とからなることを特徴とする二次電池。 1. A method comprising using Si powder, a conductive agent and a binder.
And the Si powder has a ratio of 20 to 70% by volume.
(However, the Si fine particles are black
Consists of graphite composites dispersed in lead particles
Except for 2.) A secondary battery comprising a negative electrode, a positive electrode, and an electrolyte material.
されてなることを特徴とする請求項１の二次電池。 2. The positive electrode is made of a material containing lithium.
The secondary battery according to claim 1, wherein the secondary battery is formed.
解した非水系電解液であることを特徴とする請求項１の
二次電池。 3. An electrolyte material comprising a lithium salt dissolved in an organic solvent.
2. The non-aqueous electrolyte solution according to claim 1,
Rechargeable battery.
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| JP9055801A JP3008269B2 (en) | 1997-03-11 | 1997-03-11 | Rechargeable battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9055801A JP3008269B2 (en) | 1997-03-11 | 1997-03-11 | Rechargeable battery |
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| Publication Number | Publication Date |
|---|---|
| JPH10255768A JPH10255768A (en) | 1998-09-25 |
| JP3008269B2 true JP3008269B2 (en) | 2000-02-14 |
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| JP9055801A Expired - Lifetime JP3008269B2 (en) | 1997-03-11 | 1997-03-11 | Rechargeable battery |
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Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100609862B1 (en) * | 1998-12-03 | 2006-08-09 | 카오 코퍼레이션 | Lithium secondary cell and method for manufacturing the same |
| JP4245270B2 (en) | 2000-12-22 | 2009-03-25 | 三洋電機株式会社 | Method for manufacturing electrode for secondary battery |
| JP4895335B2 (en) * | 2001-03-23 | 2012-03-14 | 日立マクセルエナジー株式会社 | Non-aqueous battery |
| US6887623B2 (en) | 2001-04-09 | 2005-05-03 | Sanyo Electric Co., Ltd. | Electrode for rechargeable lithium battery and rechargeable lithium battery |
| JP4186632B2 (en) * | 2003-01-27 | 2008-11-26 | 松下電器産業株式会社 | Control method of lithium ion secondary battery |
| JP2005085677A (en) * | 2003-09-10 | 2005-03-31 | Sanyo Electric Co Ltd | Lithium secondary battery and usage thereof |
| JP4843936B2 (en) | 2004-01-20 | 2011-12-21 | ソニー株式会社 | Secondary battery and charging / discharging method thereof |
| JP5516300B2 (en) * | 2004-01-20 | 2014-06-11 | ソニー株式会社 | Secondary battery, charge / discharge method thereof, and charge / discharge control element thereof |
| JP4780923B2 (en) | 2004-03-30 | 2011-09-28 | 三洋電機株式会社 | Lithium secondary battery |
| JP2006134782A (en) | 2004-11-08 | 2006-05-25 | Sony Corp | Battery |
| JP4953610B2 (en) | 2005-09-29 | 2012-06-13 | 三洋電機株式会社 | Lithium secondary battery |
| US9263771B2 (en) | 2006-03-30 | 2016-02-16 | Sanyo Electric Co., Ltd. | Lithium secondary battery and method of manufacturing the same |
| GB0713896D0 (en) | 2007-07-17 | 2007-08-29 | Nexeon Ltd | Method |
| JP2011108639A (en) * | 2009-10-22 | 2011-06-02 | Ronald Anthony Rojeski | Electrode including collar stop |
| WO2011101930A1 (en) * | 2010-02-19 | 2011-08-25 | パナソニック株式会社 | Coin-shaped lithium secondary battery |
| JP5128695B2 (en) | 2010-06-28 | 2013-01-23 | 古河電気工業株式会社 | Electrolytic copper foil, electrolytic copper foil for lithium ion secondary battery, electrode for lithium ion secondary battery using the electrolytic copper foil, lithium ion secondary battery using the electrode |
| KR101823187B1 (en) | 2010-12-27 | 2018-01-29 | 후루카와 덴키 고교 가부시키가이샤 | Lithium-ion secondary battery, electrode for secondary battery, and electrolytic copper foil for secondary battery electrode |
| CN104583461A (en) | 2012-06-27 | 2015-04-29 | 古河电气工业株式会社 | Electrolytic copper foil, negative electrode for lithium ion secondary battery, and lithium ion secondary battery |
-
1997
- 1997-03-11 JP JP9055801A patent/JP3008269B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| Ｐｒｏｃｅｅｄｉｎｇｓ ｏｆ ｔｈｅ Ｅｌｅｃｔｒｏｃｈｅｍｉｃａｌ Ｓｏｃｉｅｔｙ，８７−１，ｐ．３５６−３６４ |
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| JPH10255768A (en) | 1998-09-25 |
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