JPH10302734A - Battery - Google Patents
BatteryInfo
- Publication number
- JPH10302734A JPH10302734A JP9109075A JP10907597A JPH10302734A JP H10302734 A JPH10302734 A JP H10302734A JP 9109075 A JP9109075 A JP 9109075A JP 10907597 A JP10907597 A JP 10907597A JP H10302734 A JPH10302734 A JP H10302734A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- recess
- battery container
- container
- metal plate
- 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
- 230000005855 radiation Effects 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 5
- -1 polypropylene Polymers 0.000 abstract description 4
- 239000004743 Polypropylene Substances 0.000 abstract description 3
- 229920001155 polypropylene Polymers 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- OKTJSMMVPCPJKN-YPZZEJLDSA-N carbon-10 atom Chemical group [10C] OKTJSMMVPCPJKN-YPZZEJLDSA-N 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000009782 nail-penetration test Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- 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
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は電気自動車、据置式
電源等に使用される大容量の電源装置に使用される角形
の大型リチウム電池の電池容器の構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the structure of a large-sized rectangular lithium battery used in a large-capacity power supply used in electric vehicles, stationary power supplies, and the like.
【０００２】[0002]
【従来の技術】電気自動車あるいは据置式電源装置等に
使用されるリチウム電池は、高容量・高エネルギーを必
要としている。従来、この様なタイプのリチウム電池で
は、高容量を得るために極板サイズを大きくし、なおか
つ長尺の電極を巻き込むか又は折り畳んで使用する必要
があった。2. Description of the Related Art Lithium batteries used in electric vehicles or stationary power supply devices require high capacity and high energy. Conventionally, in such a type of lithium battery, it has been necessary to increase the electrode plate size in order to obtain a high capacity, and to use a long electrode by winding or folding it.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、前記の
様な高容量タイプのリチウム電池では、短絡あるいは大
電流充放電により大量の熱が発生した場合、電極の積層
部に熱が蓄積されやすく、その結果、温度が上昇し続け
容器の破裂等を招く危険性のある構造であった。つま
り、前記のような大型リチウム電池においては、電池内
部で発生した熱が内部にこもることなく電池外部に効率
よく拡散でき、急激な温度上昇を防ぐ構造の電池容器を
開発する必要があった。However, in the above-described high-capacity type lithium battery, when a large amount of heat is generated due to short-circuit or large-current charge / discharge, heat is easily accumulated in the laminated portion of the electrodes. As a result, the structure was such that there was a danger that the temperature would continue to rise and the container would burst. That is, in the large-sized lithium battery as described above, it is necessary to develop a battery container having a structure in which heat generated inside the battery can be efficiently diffused to the outside of the battery without being trapped inside, and a rapid temperature rise is prevented.
【０００４】本発明の目的は、電極内部で発生した熱が
効率よく外部に拡散され、電池温度の上昇を防ぐことが
出来る構造の電池容器を提供することにある。An object of the present invention is to provide a battery container having a structure in which heat generated inside an electrode can be efficiently diffused to the outside to prevent a rise in battery temperature.
【０００５】[0005]
【課題を解決するための手段】本発明では、電極内部で
発生した熱を効率よく電池外部に拡散させるために、電
池容器の側面に凹部を設けたことを特徴とする電池であ
る。According to the present invention, there is provided a battery characterized in that a concave portion is provided on a side surface of a battery container in order to efficiently diffuse heat generated inside the electrode to the outside of the battery.
【０００６】さらに、前記凹部には放熱フィンを有した
熱伝導性の優れた金属板を差し込んだことを特徴とする
電池である。Further, the battery is characterized in that a metal plate having excellent heat conductivity having heat radiation fins is inserted into the recess.
【０００７】また、前記電池容器内側には絶縁処理が施
されており、この電池容器内に収納される電極は、片面
塗布電極で集電体面が電池容器凹部の内側に接するよう
に折り畳んで配されていることを特徴とする電池であ
る。The inside of the battery container is subjected to insulation treatment, and the electrode housed in the battery container is folded and arranged such that the current collector surface is in contact with the inside of the concave portion of the battery container by a single-sided coated electrode. A battery characterized in that:
【０００８】[0008]
【発明の実施の形態】本発明として、正極活物質を保持
させた集電体と負極活物質を保持させた集電体をセパレ
ータ層を介して、又は高分子固体電解質層を介してそれ
ぞれ活物質面が向き合うように重ね合わせて折り畳んだ
電極と、電池容器側面に凹部を設け電池容器の強度を持
たせ、なおかつ放熱効率を上げるために熱伝導性の優れ
た金属板を差し込んだ金属製角形電池容器とを使用した
大型リチウム電池として実施できる。BEST MODE FOR CARRYING OUT THE INVENTION According to the present invention, a current collector holding a positive electrode active material and a current collector holding a negative electrode active material are each activated via a separator layer or a polymer solid electrolyte layer. An electrode folded and laid so that the material surfaces face each other, and a metal square with a metal plate with excellent thermal conductivity inserted to make the battery container stronger by providing a concave part on the side of the battery container and increasing heat dissipation efficiency It can be implemented as a large lithium battery using a battery container.
【０００９】[0009]
【実施例】以下、本発明の一実施例を図面に基づいて説
明する。なお、本発明の電池容器のサイズ、材料、その
他の使用される材料、条件などに関しては以下の実施例
に限定されるものではない。An embodiment of the present invention will be described below with reference to the drawings. The size, material, other materials, conditions, and the like of the battery container of the present invention are not limited to the following examples.
【００１０】図１は本発明電池を示す斜視図、図２は本
発明電池容器の上方からの断面図、図３は凸部を有した
差し込み金属板の要部側面図、図４は差し込み金属板の
側面図、図５は電極の断面図、図６は蓋部の側面図であ
る。FIG. 1 is a perspective view showing a battery of the present invention, FIG. 2 is a cross-sectional view from above of the battery container of the present invention, FIG. 3 is a side view of a main part of a plug-in metal plate having a convex portion, and FIG. FIG. 5 is a side view of the plate, FIG. 5 is a sectional view of the electrode, and FIG. 6 is a side view of the lid.
【００１１】本実施例において、先ずコバルト酸リチウ
ム（ＬｉＣｏＯ2 ）粉末８７重量部に、アセチレンブラ
ック等の導電剤１０重量部と結着剤としてポリフッ化ビ
ニリデン３重量部とを混合して正極合剤を作成し、これ
をＮ−メチル−２−ピロリドンに分散してスラリー状と
した。このスラリー状の正極合剤をアルミニウム箔から
なる正極集電体１の片面に塗布し、乾燥後、プレス機で
圧縮成形して、正極集電体１上に正極合剤２が塗布され
てなる正極電極５を作成した。In this embodiment, first, 87 parts by weight of lithium cobalt oxide (LiCoO 2 ) powder was mixed with 10 parts by weight of a conductive agent such as acetylene black and 3 parts by weight of polyvinylidene fluoride as a binder to form a positive electrode mixture. Was prepared and dispersed in N-methyl-2-pyrrolidone to form a slurry. The slurry-like positive electrode mixture is applied to one surface of a positive electrode current collector 1 made of aluminum foil, dried, and then compression-molded with a press to form the positive electrode mixture 2 on the positive electrode current collector 1. A positive electrode 5 was prepared.
【００１２】次に、炭素粉末９０重量部に結着剤として
ポリフッ化ビニリデン１０重量部とを混合して負極合剤
を作成し、これをＮ−メチル−２−ピロリドンに分散し
てスラリー状とした。このスラリー状の負極合剤を銅箔
からなる負極集電体３の片面に塗布し、乾燥後、プレス
機で圧縮成形して、負極集電体３上に負極合剤４が塗布
されてなる負極電極６を作成した。Next, 90 parts by weight of carbon powder and 10 parts by weight of polyvinylidene fluoride as a binder are mixed to prepare a negative electrode mixture, which is dispersed in N-methyl-2-pyrrolidone to form a slurry. did. This slurry-like negative electrode mixture is applied to one surface of the negative electrode current collector 3 made of copper foil, dried, and compression-molded with a press, and the negative electrode mixture 4 is applied on the negative electrode current collector 3. A negative electrode 6 was formed.
【００１３】前記のように作成した、正極電極および負
極電極を厚さ２５μｍのポリプロピレン製のセパレータ
７を介して電極８を作成した。An electrode 8 was formed by interposing a positive electrode and a negative electrode formed as described above through a polypropylene separator 7 having a thickness of 25 μm.
【００１４】電池容器は、厚さ２ｍｍのアルミニウムか
らなり、容器の内側には厚さ１０μｍのポリプロピレン
製の樹脂コーティングが施されている角形電池容器９を
使用した。この電池容器９は、電池容器幅方向の面に凹
部１０が設けてあり、さらに、放熱効率を上げるために
放熱フィン１１を有し、この凹部１０に合致する形状の
凸部を有する熱伝導性の優れた金属板１２、あるいは放
熱フィン１３を有し、この凹部１０に合致する形状の熱
伝導性に優れた金属板１４を差し込んでいる。次に、前
記角形電池容器９に前記電極８を凹部１０の内面に面接
触するように折り畳んで挿入し、アルミニウムからなる
蓋１５をはめ込み、レーザー溶接を行い封口した。The battery case used was a prismatic battery case 9 made of aluminum having a thickness of 2 mm and having a resin coating made of polypropylene having a thickness of 10 μm on the inside of the case. The battery container 9 has a concave portion 10 on the surface in the width direction of the battery container, further has a radiation fin 11 for improving heat radiation efficiency, and has a heat conductive portion having a convex portion having a shape matching the concave portion 10. A metal plate 12 or a heat radiation fin 13 having an excellent heat conductivity and having a shape conforming to the concave portion 10 and having excellent heat conductivity is inserted. Next, the electrode 8 was folded and inserted into the prismatic battery container 9 so as to be in surface contact with the inner surface of the concave portion 10, a lid 15 made of aluminum was fitted therein, and sealed by laser welding.
【００１５】次いで、電解液注入口１６から、プロピレ
ンカーボネート（ＰＣ）５０重量％とエチレンカーボネ
ート（ＥＣ）５０重量％の混合溶液中に１ｍｏｌ／リッ
トルの４フッ化ほう酸リチウム（ＬｉＢＦ4 ）を溶解し
た非水電解液を、正極合剤２および負極合剤４に充填す
るように注入した。Next, 1 mol / l of lithium tetrafluoroborate (LiBF 4 ) was dissolved from the electrolyte inlet 16 into a mixed solution of 50% by weight of propylene carbonate (PC) and 50% by weight of ethylene carbonate (EC). The nonaqueous electrolyte was injected so as to fill the positive electrode mixture 2 and the negative electrode mixture 4.
【００１６】そして、この電解液注入口１６に安全弁と
して、厚さ５μｍのステンレス箔の破裂板１７をアルミ
ニウムからなるホルダ１８で封口密閉し、本発明のリチ
ウム電池とした。Then, as a safety valve, a rupture plate 17 made of a stainless steel foil having a thickness of 5 μm was sealed and sealed with a holder 18 made of aluminum to form a lithium battery of the present invention.
【００１７】また、凹部を設けていない電池容器を使用
した点以外は本発明と同様にして作成した電池を比較用
の電池とした。A battery prepared in the same manner as in the present invention except that a battery container having no concave portion was used was used as a comparative battery.
【００１８】前記本発明電池と比較電池を用いて、釘刺
し試験を行い内部温度上昇の比較検討を行った結果、比
較電池では折り重なって積層された電極の温度が中心部
分ほど高くなっており、最大で約４０℃上昇しているこ
とが確認されたが、本発明電池では凸部を有する差し込
み金属板を使用した電池および凹部に合致する金属板を
差し込んだ電池のどちらにおいても、電池内部の温度上
昇は１０℃前後にとどまった。Using the battery of the present invention and the comparative battery, a nail penetration test was conducted to compare the internal temperature rise. As a result, in the comparative battery, the temperature of the folded and stacked electrodes became higher toward the center. Although it was confirmed that the temperature increased by about 40 ° C. at the maximum, in the battery of the present invention, both the battery using the inserted metal plate having the convex portion and the battery in which the metal plate matching the concave portion was inserted, The temperature rise stayed around 10 ° C.
【００１９】このことから、電池容器に凹部を設けさら
に放熱フィンを有した熱伝導性の良い金属板を差し込む
ことで、電極内部で発生した熱が蓄積されることなく効
率よく電池容器外部に拡散されることが確認された。From this, it is possible to efficiently disperse the heat generated inside the electrodes to the outside of the battery container by accumulating the concave portion in the battery container and inserting a metal plate having heat radiation fins having good heat conductivity without accumulating therein. It was confirmed that it would be.
【００２０】[0020]
【発明の効果】以上詳述したように、本発明は次に記載
する効果を奏する。As described in detail above, the present invention has the following effects.
【００２１】（１）本発明電池は、電池容器の側面に凹
部を設けさらに放熱効率を上げるために放熱フィンを有
した熱伝導性の優れた金属板を差し込むことで、電池内
部で発生した熱が効率よく電池容器外部へ拡散されるこ
とが出来る。(1) The battery of the present invention is provided with a concave portion on the side of the battery container, and a heat-generating metal plate having heat radiating fins for improving heat dissipation efficiency is inserted into the battery container to generate heat inside the battery. Can be efficiently diffused outside the battery container.
【００２２】（２）本発明電池は、活物質面が向き合う
ように重ね合わせた電極の集電部が電池容器の凹部の内
側で面接触するように折り畳まれていることで、電極の
どの部分で熱が発生しても等しく外部に放熱される。(2) In the battery of the present invention, the current collectors of the electrodes, which are overlapped so that the active material surfaces face each other, are folded so as to make surface contact inside the concave portion of the battery container. Even if heat is generated, heat is radiated equally to the outside.
【図１】本発明の単電池を示す斜視図である。FIG. 1 is a perspective view showing a unit cell of the present invention.
【図２】図１の電池容器の上方からの断面図である。FIG. 2 is a cross-sectional view from above of the battery container of FIG.
【図３】凸部を有する差し込み金属板の要部断面図であ
る。FIG. 3 is a sectional view of a main part of an insertion metal plate having a projection.
【図４】差し込み金属板の側面図である。FIG. 4 is a side view of the insert metal plate.
【図５】電極の断面図である。FIG. 5 is a sectional view of an electrode.
【図６】図１の電池容器の蓋部の側面図である。FIG. 6 is a side view of a lid of the battery container of FIG. 1;
１ 正極集電体 ２ 正極合剤層 ３ 負極集電体 ４ 負極合剤層 ５ 正極電極 ６ 負極電極 ７ セパレータ ８ 電極 ９ 角形電池容器 １０ 凹部 １１ 放熱フィン １２ 凸部を有する金属板 １３ 放熱フィン １４ 金属板 １５ 蓋 １６ 注入口 １７ 破裂板 １８ ホルダ REFERENCE SIGNS LIST 1 positive electrode current collector 2 positive electrode mixture layer 3 negative electrode current collector 4 negative electrode mixture layer 5 positive electrode 6 negative electrode 7 separator 8 electrode 9 prismatic battery case Metal plate 15 Lid 16 Injection port 17 Bursting plate 18 Holder
Claims (6)
されている角形電池容器からなり、この電池容器の側面
部に凹部を設けたことを特徴とする電池。1. A battery comprising a prismatic battery container having an insulating synthetic resin coating applied inside, and a concave portion provided on a side surface of the battery container.
る金属板を、この凹部に差し込んだことを特徴とする請
求項１記載の電池。2. The battery according to claim 1, wherein a metal plate having a convex portion corresponding to the concave portion of the battery container is inserted into the concave portion.
放熱フィンを有することを特徴とする請求項２記載の電
池。3. The battery according to claim 2, wherein the metal plate has a radiation fin on a surface opposite to the convex portion.
深さ方向より長い形状からなる金属板を、この凹部に差
し込んだことを特徴とする請求項１記載の電池。4. The battery according to claim 1, wherein a metal plate matching the battery container recess and having a shape longer than a depth direction of the recess is inserted into the recess.
放熱フィンで構成されている請求項４記載の電池。5. The protruding portion of the metal plate from the recess,
5. The battery according to claim 4, wherein the battery is constituted by a radiation fin.
容器凹部の内側に面接触するように折り畳んだことを特
徴とする請求項１記載の電池。6. The battery according to claim 1, wherein the current collector side of the positive electrode and the negative electrode is folded so as to be in surface contact with the inside of the battery container recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9109075A JPH10302734A (en) | 1997-04-25 | 1997-04-25 | Battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9109075A JPH10302734A (en) | 1997-04-25 | 1997-04-25 | Battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10302734A true JPH10302734A (en) | 1998-11-13 |
Family
ID=14500981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9109075A Pending JPH10302734A (en) | 1997-04-25 | 1997-04-25 | Battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10302734A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001033650A1 (en) * | 1999-11-05 | 2001-05-10 | Thomas Steel Strip Corp. | Galvanic cell comprising a metal can, and methods for making such a cell |
| JP2005251512A (en) * | 2004-03-03 | 2005-09-15 | Sanyo Electric Co Ltd | Nickel-hydrogen storage battery |
| JP2007207746A (en) * | 2006-02-02 | 2007-08-16 | Samsung Sdi Co Ltd | Barrier for secondary battery module and secondary battery module containing it |
| JP2010262899A (en) * | 2009-05-11 | 2010-11-18 | Toyota Motor Corp | Secondary battery and battery case |
-
1997
- 1997-04-25 JP JP9109075A patent/JPH10302734A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001033650A1 (en) * | 1999-11-05 | 2001-05-10 | Thomas Steel Strip Corp. | Galvanic cell comprising a metal can, and methods for making such a cell |
| JP2005251512A (en) * | 2004-03-03 | 2005-09-15 | Sanyo Electric Co Ltd | Nickel-hydrogen storage battery |
| JP2007207746A (en) * | 2006-02-02 | 2007-08-16 | Samsung Sdi Co Ltd | Barrier for secondary battery module and secondary battery module containing it |
| US9123956B2 (en) | 2006-02-02 | 2015-09-01 | Samsung Sdi Co., Ltd. | Cell barrier for secondary battery module and secondary battery module |
| JP2010262899A (en) * | 2009-05-11 | 2010-11-18 | Toyota Motor Corp | Secondary battery and battery case |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3051606B1 (en) | Assembled cell | |
| JP6086240B2 (en) | Non-aqueous electrolyte battery and manufacturing method thereof | |
| JP3997370B2 (en) | Non-aqueous secondary battery | |
| WO2012172829A1 (en) | Assembled cell | |
| JP2008078008A (en) | Battery pack and its manufacturing method | |
| CN102646844A (en) | Rechargeable battery | |
| WO2014003032A1 (en) | Secondary cell | |
| KR20180058370A (en) | Electrode Assembly Comprising Separator Having Insulation-enhancing Part Formed on Edge Portion of Electrode | |
| JP2010055887A (en) | Secondary battery | |
| US20130280576A1 (en) | Battery | |
| JP3972411B2 (en) | Lithium battery | |
| KR102308017B1 (en) | Cylindrical Secondary Battery having Hollow portion filled with Thermal Conductive Resin | |
| KR20080087340A (en) | Rechargeable battery having polymer electrolyte and method of forming the same | |
| JP3997369B2 (en) | Manufacturing method of non-aqueous secondary battery | |
| JPH10233237A (en) | Nonaqueous electrolyte secondary battery | |
| KR102263457B1 (en) | Battery Cell of Improved Cooling Efficiency | |
| JP2009245709A (en) | Energy storage device module | |
| JPH10302734A (en) | Battery | |
| JP2017033707A (en) | Secondary battery | |
| JP3804701B2 (en) | Lithium battery for assembled battery and assembled battery | |
| JP4009802B2 (en) | Non-aqueous secondary battery and manufacturing method thereof | |
| KR102268336B1 (en) | Battery Cell of Improved Cooling Efficiency | |
| CN113454833A (en) | Electrochemical device and electronic device | |
| JP4859277B2 (en) | Non-aqueous secondary battery | |
| JP7208201B2 (en) | Battery case and secondary battery provided with the battery case |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040412 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20050527 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20050607 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20051013 |