JPS62229772A - Lead-acid battery - Google Patents
Lead-acid batteryInfo
- Publication number
- JPS62229772A JPS62229772A JP61073909A JP7390986A JPS62229772A JP S62229772 A JPS62229772 A JP S62229772A JP 61073909 A JP61073909 A JP 61073909A JP 7390986 A JP7390986 A JP 7390986A JP S62229772 A JPS62229772 A JP S62229772A
- Authority
- JP
- Japan
- Prior art keywords
- lead
- acid battery
- current collector
- battery according
- active material
- 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
- 239000002253 acid Substances 0.000 title claims abstract description 16
- 239000007773 negative electrode material Substances 0.000 claims abstract description 4
- 239000007774 positive electrode material Substances 0.000 claims abstract description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 229910000978 Pb alloy Inorganic materials 0.000 claims description 4
- 238000005488 sandblasting Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000008602 contraction Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 239000011149 active material Substances 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 2
- 239000003792 electrolyte Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000013543 active substance Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000003466 welding 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/18—Lead-acid accumulators with bipolar electrodes
-
- 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
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は鉛蓄電池（二関し、特に鉛蓄電池の高出力密度
化に関するものである。DETAILED DESCRIPTION OF THE INVENTION FIELD OF INDUSTRIAL APPLICATION The present invention relates to lead-acid batteries, and in particular to increasing the power density of lead-acid batteries.
従来の技術
従来、鉛蓄電池の磁極には鉛合金格子体に活ｍＷペース
トヲ光填したペースト式極板や、鉛合金の芯金を含むチ
ューブ内に活物質を保持したクラッド式極板が使われて
いるが、高い出力密度を必要と下る場合には電極比表面
積の大きな前者？用いるのが普通である。Conventional technology Conventionally, the magnetic poles of lead-acid batteries have been paste-type plates, in which a lead alloy grid is filled with active mW paste, or clad-type plates, in which the active material is held within a tube containing a lead alloy core. But if you need a high power density, is the former with a large electrode specific surface area? It is common to use
発明が解決しようとする問題点
放電時に２ける出力（圧は、ぼ極の分極、セパレータ′
Ｊ６よび礒解′ぼの抵抗損失や集電体８よびセル間接続
部の抵抗損失によって決まるが、高率放題時に３いては
、集電体やセル間接続部の抵抗損失か無視し得なくなる
とともに集電体中の抵抗損失（二より屯極内の峨位が一
様ではなくなり、４流＠並分布を生じて活物質の利用率
が低下するという問題点があった。Problems to be solved by the invention Two outputs during discharge (pressure is the polarization of the void, the separator'
It is determined by the resistance loss of J6 and dissolution, and the resistance loss of the current collector 8 and the connection between cells, but when the rate is unlimited, the resistance loss of the current collector and the connection between cells cannot be ignored. At the same time, there was a problem in that the resistance loss in the current collector (the peak level within the two-layer electrode became non-uniform, resulting in a four-flow@normal distribution, resulting in a decrease in the utilization rate of the active material).
問題点？解決するための手段
を記の問題点を解決するため、本発明に８いては、セル
間の隔壁と集電体を兼ね、面果ｉ［Ｙ行なうものである
。problem? Means for Solving the Problems In order to solve the problems described above, according to the present invention, the present invention serves as a partition between cells and a current collector, and performs a surface effect i[Y.
作中
これにまり集電体８よびセル間接続部での抵抗損失が大
幅に軽減されるほか、超極全体に亘って電流密度が一様
となり活物質の利用率が高くなるものである。During production, this not only greatly reduces resistance loss in the current collector 8 and inter-cell connections, but also makes the current density uniform over the entire superpole, increasing the utilization rate of the active material.
実施例 次に本発明の一実施例を図面により説明する。Example Next, one embodiment of the present invention will be described with reference to the drawings.
第１図は本発明１−２けるバイポーラプレートを示す概
念図と第２図はその部分拡大断面図である。平板状また
はフィルム状の集電体１は外縁部に孔２と凸部３馨イエ
し、両者を包み込むように絶縁性の枠部材４と一体成形
さルている。FIG. 1 is a conceptual diagram showing a bipolar plate according to the present invention 1-2, and FIG. 2 is a partially enlarged sectional view thereof. A flat or film-like current collector 1 has holes 2 and protrusions 3 at its outer edge, and is integrally molded with an insulating frame member 4 so as to enclose both.
たとえば熱可塑性のプラスチックであれば、集電体１を
成形型内に保持した状態で射出成形な行なう。熱可塑性
プラスチックの冷却同化時には、孔２に注入された熱可
塑性プラスチックの収縮により、枠部材４は集゛嘔体１
の両面１：引き付けられ、特に凸部３の位［において高
面圧となり隣接セル間の液絡を防止する。集電体］の−
７の面には正極活物質５、他方の面１咀１負極活物實６
が塗布されており、バイポーラプレートが形成されてい
る。このとき、集電体１の表面がサンドブラスト等の方
法により粗面化されていると活物質の保持性が良く、寿
命性能に好影響ケ及ぼ丁。枠部材４の外縁部（：は−万
の面に突出した縁７を有し、前記バイポーラプレートを
同方向に積層し、ｍｌｌ縁縁７Ｃおいて枠部材４ン超音
波溶着すること１：よって、枠部材４から電槽が＃成さ
れ、直列接続された鉛蓄電池？得ることができる。枠部
材４の溶岩方法が熱溶着であｉｔば、０？Ｉ記枠部材４
の両面Ｉ：縁７を設けて２けはＲい。For example, in the case of thermoplastic plastic, injection molding is performed with the current collector 1 held in a mold. When the thermoplastic is cooled and assimilated, the frame member 4 becomes the aggregate 1 due to the shrinkage of the thermoplastic injected into the hole 2.
Both sides 1: are attracted, and a high surface pressure occurs especially at the protrusion 3, which prevents liquid contact between adjacent cells. - of current collector]
A positive electrode active material 5 is placed on the side 7, and a negative electrode active material 6 is placed on the other side.
is applied to form a bipolar plate. At this time, if the surface of the current collector 1 is roughened by a method such as sandblasting, the active material can be retained better, which has a positive effect on the life performance. The outer edge of the frame member 4 (: has an edge 7 protruding from the surface of the frame member 4, the bipolar plates are stacked in the same direction, and the frame member 4 is ultrasonically welded at the edge 7C of the frame member 4. , a battery case is formed from the frame member 4, and a lead-acid battery connected in series can be obtained.If the lava method of the frame member 4 is thermal welding, the frame member 4 is
Both sides I: Edge 7 is provided and the second side is rounded.
第３図はこのようにして得られた３セル直列の電池の模
式図である。枠部材４と一体化されたバイポーラプレー
ト８は屯解７（ｌ含浸したセパレータ９をはさんで積１
ｌＩＩ！！され、縁７（二２いて互いに溶着されている
。端部のバイポーラプレート８１．８２は片面のみＩＥ
極活物質５１、負極活物質６１が塗布されており反対面
には集電端子１０１、］Ｃ】２ン有する果題板１１１．
１１２が当接されている。集電板１１１．１１２は充分
小さな抵抗値を有しており、抵抗損失（−よる東征の偏
りは殆ど無視できる。これにより、面果電されている電
池内部の活物質１ｍ−ｇいて電流密度は均一となり、利
用率の偏りは生じない。またセル間の隔壁？兼ねる平板
状又はフィルム状の集電体は法線方向に電流が流れるた
め、この部分の抵抗損失は殆んどない。またこのような
果一方式を採ることにより、比較的固有抵抗の高い炭素
材料等を集電体とに便用することが可能となり、更に［
＃の軽量化、高出力密度化を肉ることができる。FIG. 3 is a schematic diagram of a three-cell series battery obtained in this manner. The bipolar plate 8 integrated with the frame member 4 is stacked with a separator 9 impregnated with it in between.
lII! ! The edges 7 (22) are welded together. The bipolar plates 81, 82 at the ends are
An electrode active material 51 and a negative electrode active material 61 are coated, and the opposite side has a current collecting terminal 101 and a title board 111.
112 are in contact with each other. The current collector plates 111 and 112 have a sufficiently small resistance value, and the resistance loss (-) can be almost ignored.As a result, the current density is is uniform, and there is no deviation in the utilization rate.In addition, current flows in the normal direction of the flat or film-shaped current collector that also serves as a partition wall between cells, so there is almost no resistance loss in this part. By adopting such a one-sided system, it becomes possible to use carbon materials with relatively high specific resistance as the current collector, and furthermore, [
It is possible to achieve lighter weight and higher power density.
発明の効果
上述したように、本発明によれば、鉛蓄電池の高出力密
度化が可能となる点工業的価値甚大なるものである。Effects of the Invention As described above, the present invention has great industrial value in that it enables lead-acid batteries to have a high output density.
Ｓ＠１図ｔば本発明の一実施例に？けるパイボーラブレ
ートの概念図、第２図は第１図に３（するＡ −Ａ’線
に沿う部分拡大断面図、第３図は本発明の一英施例乞示
す断面図である。
］は集電体、２は孔、３は凸部、４は枠部材、５．５１
ｔＣ正極活物實、６．６１ハ負極活ｍｗ、７は縁、８．
８１．８２ はバイポーラプレート、９はセパレータ、
】０１．１０２は集電端子、１１１．１１２は薬礪板S@1 Figure t is an embodiment of the present invention? FIG. 2 is a partially enlarged sectional view taken along the line A-A' shown in FIG. 1, and FIG. 3 is a sectional view showing an embodiment of the present invention. ] is a current collector, 2 is a hole, 3 is a convex part, 4 is a frame member, 5.51
tC positive electrode active substance, 6.61 ha negative electrode active mw, 7 is edge, 8.
81.82 is a bipolar plate, 9 is a separator,
]01.102 is the current collector terminal, 111.112 is the medicine plate
Claims (1)
物質、他方の面に負極活物質を塗布してバイポーラプレ
ートとし、該バイポーラプレートをセパレータを介し積
層して直列接続したことを特徴とする鉛蓄電池。 ２、平板状又はフィルム状の集電体が絶縁性の枠部材と
一体成形されており、前記集電体を積層することにより
枠部材が電槽を形成することを特徴とする特許請求の範
囲第１項記載の鉛蓄電池。 ３、平板状又はフィルム状の集電体の材質が鉛又は鉛合
金であることを特徴とする特許請求の範囲第１項記載の
鉛蓄電池。 ４、平板状又はフィルム状の集電体の材質が炭素である
ことを特徴とする特許請求の範囲第１項記載の鉛蓄電池
。 ５、平板状又はフィルム状の集電体の材質が炭素の表面
に鉛又は鉛合金をコーティングしたものであることを特
徴とする特許請求の範囲第１項記載の鉛蓄電池。 ６、集電体表面がサンドブラスト加工等により粗面とな
っていることを特徴とする特許請求の範囲第１項記載の
鉛蓄電池。 ７、枠部材が熱可塑性プラスチックであり、集電体とと
もに一体成形されていることを特徴とする特許請求の範
囲第２項記載の鉛蓄電池。 ８、バイポーラプレートの枠部材が積層溶着されている
ことを特徴とする特許請求の範囲第２項記載の鉛蓄電池
。 ９、集電体は外縁部に線状の凸部と該凸部に沿って設け
られた孔を有し、該孔に侵入した熱可塑性プラスチック
の冷却時の収縮により、前記凸部において集電体と前記
熱可塑性プラスチックが線接触して液密となることを特
徴とする特許請求の範囲第７項記載の鉛蓄電池。[Claims] 1. A bipolar plate is formed by coating a positive electrode active material on one side of a flat or film-like current collector and a negative electrode active material on the other side, and the bipolar plates are laminated with a separator in between. A lead-acid battery characterized by being connected in series. 2. Claims characterized in that a flat or film-like current collector is integrally molded with an insulating frame member, and the frame member forms a battery case by laminating the current collectors. The lead-acid battery described in paragraph 1. 3. The lead-acid battery according to claim 1, wherein the material of the flat or film-like current collector is lead or a lead alloy. 4. The lead-acid battery according to claim 1, wherein the material of the flat or film-like current collector is carbon. 5. The lead-acid battery according to claim 1, wherein the material of the flat or film-like current collector is carbon whose surface is coated with lead or a lead alloy. 6. The lead-acid battery according to claim 1, wherein the surface of the current collector is roughened by sandblasting or the like. 7. The lead-acid battery according to claim 2, wherein the frame member is made of thermoplastic plastic and is integrally molded together with the current collector. 8. The lead-acid battery according to claim 2, wherein the frame member of the bipolar plate is laminated and welded. 9. The current collector has a linear convex part on the outer edge and a hole provided along the convex part, and current is collected at the convex part by contraction of the thermoplastic plastic that has entered the hole when cooling. 8. The lead-acid battery according to claim 7, wherein the body and the thermoplastic plastic are in line contact to form a liquid-tight state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61073909A JPS62229772A (en) | 1986-03-31 | 1986-03-31 | Lead-acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61073909A JPS62229772A (en) | 1986-03-31 | 1986-03-31 | Lead-acid battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62229772A true JPS62229772A (en) | 1987-10-08 |
Family
ID=13531778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61073909A Pending JPS62229772A (en) | 1986-03-31 | 1986-03-31 | Lead-acid battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62229772A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02306549A (en) * | 1989-05-19 | 1990-12-19 | Japan Storage Battery Co Ltd | Lead acid battery |
| WO2004059780A1 (en) * | 2002-12-26 | 2004-07-15 | Yaoqing Yu | High-voltage power accumulator |
| JP2010536122A (en) * | 2007-08-06 | 2010-11-25 | エレクトロセル インドゥストリア エ コメルシオ デ エキパメントス エレトリコス リミタダ | Bipolar battery plate and bipolar battery |
| JP2012234823A (en) * | 2005-09-05 | 2012-11-29 | Nissan Motor Co Ltd | Method for manufacturing bipolar battery |
| JP2014529175A (en) * | 2011-09-09 | 2014-10-30 | イースト ペン マニュファクチャリング カンパニー インコーポレーテッドＥａｓｔ Ｐｅｎｎ Ｍａｎｕｆａｃｔｕｒｉｎｇ Ｃｏ．，Ｉｎｃ． | Bipolar battery and plate |
| CN106133992A (en) * | 2013-12-30 | 2016-11-16 | 格雷腾能源有限公司 | The bipolar cell assembly sealed |
| WO2018150829A1 (en) * | 2017-02-15 | 2018-08-23 | 株式会社豊田自動織機 | Power storage device |
| JP2018133197A (en) * | 2017-02-15 | 2018-08-23 | 株式会社豊田自動織機 | Power storage device |
| JP2018133323A (en) * | 2017-02-15 | 2018-08-23 | 株式会社豊田自動織機 | Power storage device |
| US10090515B2 (en) | 2011-05-11 | 2018-10-02 | Gridtential Energy, Inc. | Bipolar hybrid energy storage device |
| JP2019091596A (en) * | 2017-11-14 | 2019-06-13 | 株式会社豊田自動織機 | Manufacturing method of power storage module |
| JP2022533270A (en) * | 2019-05-24 | 2022-07-21 | アドバンスト バッテリー コンセプツ エルエルシー | Battery assembly with integrated edge seal and how to form the seal |
| WO2023068111A1 (en) * | 2021-10-21 | 2023-04-27 | 古河電気工業株式会社 | Bipolar storage battery |
-
1986
- 1986-03-31 JP JP61073909A patent/JPS62229772A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02306549A (en) * | 1989-05-19 | 1990-12-19 | Japan Storage Battery Co Ltd | Lead acid battery |
| WO2004059780A1 (en) * | 2002-12-26 | 2004-07-15 | Yaoqing Yu | High-voltage power accumulator |
| JP2012234823A (en) * | 2005-09-05 | 2012-11-29 | Nissan Motor Co Ltd | Method for manufacturing bipolar battery |
| JP2010536122A (en) * | 2007-08-06 | 2010-11-25 | エレクトロセル インドゥストリア エ コメルシオ デ エキパメントス エレトリコス リミタダ | Bipolar battery plate and bipolar battery |
| US10090515B2 (en) | 2011-05-11 | 2018-10-02 | Gridtential Energy, Inc. | Bipolar hybrid energy storage device |
| JP2014529175A (en) * | 2011-09-09 | 2014-10-30 | イースト ペン マニュファクチャリング カンパニー インコーポレーテッドＥａｓｔ Ｐｅｎｎ Ｍａｎｕｆａｃｔｕｒｉｎｇ Ｃｏ．，Ｉｎｃ． | Bipolar battery and plate |
| US9941546B2 (en) | 2011-09-09 | 2018-04-10 | East Penn Manufacturing Co., Inc. | Bipolar battery and plate |
| CN106133992A (en) * | 2013-12-30 | 2016-11-16 | 格雷腾能源有限公司 | The bipolar cell assembly sealed |
| JP2017508241A (en) * | 2013-12-30 | 2017-03-23 | グリッドテンシャル エナジー インコーポレイテッドＧｒｉｄｔｅｎｔｉａｌ Ｅｎｅｒｇｙ，Ｉｎｃ． | Sealed bipolar battery assembly |
| US10797276B2 (en) | 2013-12-30 | 2020-10-06 | Gridtential Energy, Inc. | Sealed bipolar battery assembly |
| JP2018133323A (en) * | 2017-02-15 | 2018-08-23 | 株式会社豊田自動織機 | Power storage device |
| JP2018133197A (en) * | 2017-02-15 | 2018-08-23 | 株式会社豊田自動織機 | Power storage device |
| CN110301061A (en) * | 2017-02-15 | 2019-10-01 | 株式会社丰田自动织机 | Electrical storage device |
| WO2018150829A1 (en) * | 2017-02-15 | 2018-08-23 | 株式会社豊田自動織機 | Power storage device |
| US10910644B2 (en) | 2017-02-15 | 2021-02-02 | Kabushiki Kaisha Toyota Jidoshokki | Power storage device |
| CN110301061B (en) * | 2017-02-15 | 2022-09-16 | 株式会社丰田自动织机 | Nickel-hydrogen battery |
| JP2019091596A (en) * | 2017-11-14 | 2019-06-13 | 株式会社豊田自動織機 | Manufacturing method of power storage module |
| JP2022533270A (en) * | 2019-05-24 | 2022-07-21 | アドバンスト バッテリー コンセプツ エルエルシー | Battery assembly with integrated edge seal and how to form the seal |
| US11888106B2 (en) | 2019-05-24 | 2024-01-30 | Advanced Battery Concepts, LLC | Battery assembly with integrated edge seal and methods of forming the seal |
| WO2023068111A1 (en) * | 2021-10-21 | 2023-04-27 | 古河電気工業株式会社 | Bipolar storage battery |
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