JP2919548B2 - Metal-hydrogen alkaline storage battery - Google Patents
Metal-hydrogen alkaline storage batteryInfo
- Publication number
- JP2919548B2 JP2919548B2 JP2092507A JP9250790A JP2919548B2 JP 2919548 B2 JP2919548 B2 JP 2919548B2 JP 2092507 A JP2092507 A JP 2092507A JP 9250790 A JP9250790 A JP 9250790A JP 2919548 B2 JP2919548 B2 JP 2919548B2
- Authority
- JP
- Japan
- Prior art keywords
- battery case
- plate
- negative electrode
- battery
- electrode 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.)
- Expired - Fee Related
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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Cell Electrode Carriers And Collectors (AREA)
- Secondary Cells (AREA)
Description
【発明の詳細な説明】 （イ）産業上の利用分野 本発明は水素を吸蔵・放出する能力を有する水素吸蔵
合金を備えた電極板を負極とし、金属酸化物を備えた電
極板を正極とし、これら正極板と負極板間にアルカリ水
溶液を含んだセパレータを介挿して電槽内に収納した金
属−水素アルカリ蓄電池に係り、特に該電池に用いられ
る電極の構造、及び電槽の構造に関するものである。DETAILED DESCRIPTION OF THE INVENTION (a) Industrial application field The present invention uses an electrode plate provided with a hydrogen storage alloy capable of storing and releasing hydrogen as a negative electrode and an electrode plate provided with a metal oxide as a positive electrode. The present invention relates to a metal-hydrogen alkaline storage battery in which a separator containing an alkaline aqueous solution is interposed between the positive electrode plate and the negative electrode plate and housed in a battery case, and particularly to a structure of an electrode used in the battery and a structure of the battery case. It is.
（ロ）従来の技術 従来より使用されている蓄電池としては、ニッケル−
カドミウム蓄電池の如きアルカリ蓄電池、或るいは鉛蓄
電池等が挙げられるが、最近これらの電池よりも軽量、
且つ高容量で高エネルギー密度となる可能性のある水素
吸蔵合金電極を備えた金属−水素アルカリ蓄電池が注目
される。(B) Conventional technology Conventional storage batteries include nickel-based batteries.
Alkaline storage batteries such as cadmium storage batteries, or lead storage batteries, etc., have recently been lighter than these batteries,
Attention has been paid to a metal-hydrogen alkaline storage battery provided with a hydrogen storage alloy electrode that can have a high capacity and a high energy density.
例えば特開昭62−43803号公報には、複数個の正極
と、負極とをセパレータを挟んで積層した高容量のニッ
ケル−水素蓄電池が開示されている。この技術は中心部
を貫通する負極集電端子と、外周部を囲む正極集電端子
とによって各正極、及び負極を一括して接続し、電力を
取り出そうとするものであるが、積層構造を形成する各
正極、及び負極は電槽内の集電端子によって一括して接
続されるため、これら電極が内部短絡を起こす恐れがあ
り、高い出力を出せなくなったり、安全面での問題があ
った。For example, JP-A-62-43803 discloses a high-capacity nickel-hydrogen storage battery in which a plurality of positive electrodes and a negative electrode are stacked with a separator interposed therebetween. In this technology, each positive electrode and negative electrode are connected together by a negative current collecting terminal that penetrates the center and a positive current collecting terminal that surrounds the outer periphery, and power is taken out. Since each of the positive electrode and the negative electrode is collectively connected by a current collecting terminal in a battery case, there is a risk that these electrodes may cause an internal short circuit, and a high output cannot be obtained, or there is a problem in safety.
（ハ）発明が解決しようとする課題 本発明が解決しようとする課題は、かかる従来技術の
問題点に鑑み、電槽内部における各電極の配置及び構
造、或るいはこれら電極と電槽外の端子との接続構造に
改良を施すことにより、大電流での充電、及び放電を行
い、又内部短絡の防止を行うことである。(C) Problems to be solved by the invention The problems to be solved by the present invention are, in view of the problems of the prior art, the arrangement and structure of each electrode inside the battery case, or these electrodes and the outside of the battery case. By improving the connection structure with the terminal, charging and discharging with a large current are performed, and an internal short circuit is prevented.
（ニ）課題を解決するための手段 本発明は、直方体形状の電槽と、該電槽内に積層され
る金属酸化物からなる平板状正極板、及び水素吸蔵合金
からなる平板状負極板と、これら正極板と負極板との間
に介挿されるセパレータと、アルカリ水溶液からなる電
解液と、によって形成される電池であって、前記正極板
と負極板とを互いに相反する方向にずらして前記電槽内
に配置せしめ、各極板の相異なる側の端部に夫々対応す
る集電端子を形成したもの、或るいは前記各極板は前記
電槽内において前記的に絶縁されているものである。(D) Means for Solving the Problems The present invention relates to a rectangular parallelepiped battery case, a plate-like positive plate made of metal oxide laminated in the battery case, and a plate-like negative plate made of a hydrogen storage alloy. A battery formed by a separator interposed between the positive electrode plate and the negative electrode plate, and an electrolytic solution composed of an alkaline aqueous solution, wherein the positive electrode plate and the negative electrode plate are shifted in opposite directions to each other. One in which the corresponding current collecting terminals are formed at different ends of each of the electrode plates arranged in a battery case, or those in which the respective electrode plates are insulated in the battery case. It is.
そして、前記負極板が平板状集電体に水素吸蔵合金を
固着して形成されると共に、該集電体が、端部から中央
部に向かって開孔率が次第に小さくなるように形成され
た複数個の孔を有するものを用いる必要がある。The negative electrode plate was formed by fixing a hydrogen storage alloy to a flat current collector, and the current collector was formed such that the porosity gradually decreased from the end toward the center. It is necessary to use one having a plurality of holes.
そして、本発明電池において前記電槽内壁に撥水性の
耐アルカリ樹脂を塗布したものが望ましい。In the battery of the present invention, it is desirable that the inner wall of the battery case is coated with a water-repellent alkali-resistant resin.
（ホ）作用 以上の構成を有する電池は、各電極板が電槽内部で互
いに絶縁されており、内部短絡の恐れが少なく、大電流
の充放電を効率よく行える。特に電極を構成する集電体
の開孔率に変化を付けることにより、大電流での充電時
に電極表面での反応分布が均一化する。又、電槽内部に
撥水性の耐アルカリ樹脂を塗布したものにあっては、内
部圧力の上昇による応力腐食を防止し、且つ水素脆性に
よる腐食をも防止できる。(E) Function In the battery having the above configuration, each electrode plate is insulated from each other inside the battery case, there is little possibility of internal short circuit, and a large current can be charged and discharged efficiently. In particular, by changing the porosity of the current collector constituting the electrode, the reaction distribution on the electrode surface during charging with a large current becomes uniform. In addition, in the case where a water-repellent alkali-resistant resin is applied to the inside of the battery case, stress corrosion due to an increase in internal pressure can be prevented, and corrosion due to hydrogen embrittlement can also be prevented.
（ヘ）実施例 以下本発明の電池を図面に沿って詳細に説明する。(F) Example Hereinafter, the battery of the present invention will be described in detail with reference to the drawings.
第１実施例 第１図は本発明電池の第１実施例を示し、１は30〜50
気圧程度の内部圧力に耐えることのできるステンレス製
電槽、２は水素吸蔵合金（例えばTi2Ni）よりなる複数
個の平板状負極板、３は複数枚のNiよりなる平板状正極
板、４は水（H2O）を含ませた繊維状セパレータ、５は
前記正極板３の各々に正極集電端子板６を介して接続さ
れた正極端子、７は前記負極板２の各々に負極集電端子
板８を介して接続された負極端子、９は充放電の繰り返
しにより前記電槽１の内部圧が異常に大きくなったとき
に該電槽１の内部に蓄積された気体を外部に放出し、内
部圧を降下させるための安全弁装置である。前記正極板
３と負極板２とは、間にセパレータ４を挟んで幾層にも
積層された状態で、前記電槽１内に収納され、又前記正
極端子５、負極端子７、及び安全弁装置９は、前記電槽
１の上面に互いに間隔を存して配設されている。First Embodiment FIG. 1 shows a first embodiment of the battery of the present invention, where 1 is 30 to 50.
A stainless steel container capable of withstanding an internal pressure of about atmospheric pressure, 2 is a plurality of flat negative plates made of a hydrogen storage alloy (for example, Ti 2 Ni), 3 is a flat positive plate made of a plurality of Ni, Is a fibrous separator impregnated with water (H 2 O), 5 is a positive terminal connected to each of the positive plates 3 via a positive current collecting terminal plate 6, and 7 is a negative terminal connected to each of the negative plates 2. The negative electrode terminal 9 connected via the electric terminal plate 8 discharges gas accumulated inside the electric container 1 to the outside when the internal pressure of the electric container 1 becomes abnormally large due to repetition of charging and discharging. And a safety valve device for lowering the internal pressure. The positive electrode plate 3 and the negative electrode plate 2 are housed in the battery case 1 in a state of being stacked in layers with a separator 4 interposed therebetween, and the positive electrode terminal 5, the negative electrode terminal 7, and the safety valve device are provided. Numerals 9 are arranged on the upper surface of the battery case 1 with an interval therebetween.
上記電槽１の内部で起こる化学反応は次のとおりであ
る。但し、Ｍは水素吸蔵合金である。The chemical reactions occurring inside the battery case 1 are as follows. Here, M is a hydrogen storage alloy.
ところで第１図において、負極板２は厚み寸法が0.5m
mで、縦、横の長さ寸法が10×200mm2のものを使い、一
方の正極板３は厚み寸法が0.6mmで、縦、横の長さ寸法
が前記負極板２と同じものを使っている。これら負極板
２、正極板３は前記電槽１内で互いに相反する方向に少
しずらして配設され、各極板2,3の相反する側の端部
（幅寸法5mm）を夫々対応する電極の集電端子部分2a,3a
としている。尚、この集電端子部分2a,3aは夫々の極板
2,3と同じ厚み寸法に設定するのが望ましい。 In FIG. 1, the thickness of the negative electrode plate 2 is 0.5 m.
m, having a vertical and horizontal length of 10 × 200 mm 2 , and one positive electrode plate 3 having a thickness of 0.6 mm and the same vertical and horizontal length as the negative electrode plate 2. ing. The negative electrode plate 2 and the positive electrode plate 3 are disposed in the battery case 1 so as to be slightly shifted from each other in opposite directions, and the opposite ends (width 5 mm) of the respective electrode plates 2 and 3 are respectively set to the corresponding electrodes. Current collecting terminal part 2a, 3a
And The collector terminals 2a and 3a are
It is desirable to set the same thickness dimension as 2 and 3.
又、前記負極板２、及び正極板３は夫々導電性金属
（例えばAl）からなる平板状の多孔状集電端子板に夫々
水素吸蔵合金、金属酸化物を焼結等の手段を用いて固着
せしめたものであり、特に負極板２に用いられる集電端
子板2bはその外周部から中央部に向かって次第に開孔率
が小さくなるように孔の径を変化させている。即ち、第
２図に示すように外周部Ａ（孔径a1）、中央部Ｃ（孔径
c1）、外周部Ａと中央部Ｃとで挟まれた部分Ｂ（孔径
b1）からなる集電端子板2bにおいて、次式に示す関係を
満足するように各孔径が決定される。Further, the negative electrode plate 2 and the positive electrode plate 3 are respectively fixed to a flat porous current collecting terminal plate made of a conductive metal (for example, Al) using a means such as sintering a hydrogen storage alloy or a metal oxide. In particular, the diameter of the hole of the current collector terminal plate 2b used for the negative electrode plate 2 is changed so that the porosity gradually decreases from the outer peripheral portion toward the central portion. That is, as shown in FIG. 2, the outer peripheral portion A (hole diameter a 1 ) and the central portion C (hole diameter
c 1 ), a portion B (hole diameter) sandwiched between the outer peripheral portion A and the central portion C
In the current collecting terminal plate 2b composed of b 1 ), each hole diameter is determined so as to satisfy the relationship shown in the following equation.
（設定例１） b1＝a1×3/4〜1/4 c1＝b1×3/4〜1/4 （設定例２） b1＝a1×3/4〜1/2 c1＝b1×3/4〜1/2 又、上記の他に外周部から中央部に向かって連続的に
孔径を減少させていっても良い。(Setting example 1) b 1 = a 1 × 3/4 to 1/4 c 1 = b 1 × 3/4 to 1/4 (Setting example 2) b 1 = a 1 × 3/4 to 1/2 c 1 = b 1 × 3/4 to 1/2 In addition to the above, the hole diameter may be continuously reduced from the outer periphery toward the center.
従来、開孔率が均一な負極集電端子板を用いていたと
きには、該端子板の中央部に化学反応の集中が起こり、
特に充電による負極の活性化体に支障を来していたた
め、大電流による充電には不向きであったが、このよう
に負極集電端子板2bの開孔率に変化を持たすことによっ
て、大電流により充電時において、負極板２にて起こる
化学反応の分布が均一となり、効率よく充電できるよう
になる。Conventionally, when a negative electrode current collector terminal plate having a uniform porosity is used, concentration of a chemical reaction occurs in a central portion of the terminal plate,
In particular, it was not suitable for charging with a large current because it hindered the activation of the negative electrode due to charging.However, such a change in the porosity of the negative electrode current collector terminal plate 2b caused a large current to flow. Thereby, at the time of charging, the distribution of the chemical reaction occurring in the negative electrode plate 2 becomes uniform, and charging can be performed efficiently.
又、前記セパレータ４は例えばポリプロピレン製の平
均繊維径15μｍの不織布からなり、その厚み寸法は略0.
2mmに設定したものである。そしてこのセパレータ４は
前記負極集電端子板2aとは逆に外周部と比較して中央部
の方が開孔率が高く、ガス透過性に優れたものを用いる
とよい。このようなセパレータ４を用いることにより、
充放電時の中央部でのガス吸収を促進させると共に、負
極の反応分布の不均一性を緩和させることが可能とな
る。The separator 4 is made of, for example, a nonwoven fabric made of polypropylene and having an average fiber diameter of 15 μm, and has a thickness of about 0.1 μm.
It is set to 2mm. It is preferable that the separator 4 has a higher porosity at the center portion than the outer peripheral portion and has excellent gas permeability, as opposed to the negative electrode current collector terminal plate 2a. By using such a separator 4,
It is possible to promote gas absorption in the central part during charge and discharge and to alleviate non-uniformity in the reaction distribution of the negative electrode.
更に、前記正極集電端子６、及び負極集電端子８は前
記電槽１の長手方向側壁に面して設けられたもので、電
槽１内に配設された複数枚の電極板2,3の夫々に各集電
端子部分2a,3aを介して電気接続され、且つ電槽１外の
上面に取り付けられた正極端子5,及び負極端子７に該電
槽１内部で電気接続されている。Further, the positive electrode current collecting terminal 6 and the negative electrode current collecting terminal 8 are provided facing the longitudinal side wall of the battery case 1, and a plurality of electrode plates 2, 3 are electrically connected to each other through the current collecting terminal portions 2a and 3a, and are electrically connected to the positive terminal 5 and the negative terminal 7 mounted on the upper surface outside the battery case 1 inside the battery case 1. .
又、前記電槽１の内壁に撥水性の耐アルカリ性の樹脂
を塗布すれば、電槽１内部の圧力による腐食、及び水素
脆性による腐食を防止でき、電池寿命を向上させること
ができる。If a water-repellent and alkali-resistant resin is applied to the inner wall of the battery case 1, corrosion due to the pressure inside the battery case 1 and corrosion due to hydrogen embrittlement can be prevented, and the battery life can be improved.
実施例２ 第３図に本発明の第２実施例を示す。同図において第
１実施例と異なる点は、第１に電槽１内の各正極板3,及
び負極板２と、正極端子５及び負極端子７との接続を行
うに当り、極板の枚数に対応した個数の電極端子5,7を
設け、各極板2,3と端子5,7とを正極集電端子６、及び負
極集電端子８を介して、１対１で接続して各極板2,3を
電槽１内で電気的に絶縁したことであり、第２に各極板
2,3を互いにずらすことなく、集電端子6,8を極板2,3の
上部から取り出したことである。尚、その他の構成要素
は前記第１実施例と同じである。Embodiment 2 FIG. 3 shows a second embodiment of the present invention. The first embodiment is different from the first embodiment in that each of the positive electrode plates 3 and the negative electrode plate 2 in the battery case 1 is connected to the positive electrode terminal 5 and the negative electrode terminal 7 by the number of the electrode plates. The number of electrode terminals 5 and 7 corresponding to are provided, and each of the electrode plates 2 and 3 and the terminals 5 and 7 are connected in a one-to-one manner via the positive current collecting terminal 6 and the negative current collecting terminal 8, respectively. Second, each of the plates 2 and 3 is electrically insulated in the battery case 1.
That is, the current collecting terminals 6 and 8 were taken out from the upper portions of the electrode plates 2 and 3 without shifting the terminals 2 and 3 from each other. The other components are the same as in the first embodiment.
このような構成とすることにより、夫々の電極板2,3
は電槽１内では電気的に絶縁されていることになり、電
槽１内部における短絡が防止でき、且つ内部接続時の電
槽１内に腐食による断線を防止することができる。又、
複数個の端子5,7は電槽１外部で一括して一つの端子と
すれば大きな電気エネルギーを取り出し易くなることは
言うまでもない。With such a configuration, each of the electrode plates 2, 3
Are electrically insulated in the battery case 1, so that a short circuit inside the battery case 1 can be prevented, and disconnection due to corrosion in the battery case 1 during internal connection can be prevented. or,
Needless to say, if the plurality of terminals 5 and 7 are collectively formed as one terminal outside the battery case 1, large electric energy can be easily extracted.
（ト）発明の効果 本発明は以上の説明の如く、正極板と負極板とを相反
する方向にずらして電槽内に収納し、各極板の相反する
側の端部を端子部とすることにより、正極板と負極板と
の内部短絡を防止することができ、又各端子部を夫々個
別の正極、負極端子に電槽外で接続することにより、更
に内部短絡の防止が確実となる。そしてこのように電槽
内部における内部短絡の防止手段を施すことによって大
電流による電池の充放電が効率よく行え、又安全性も高
まる効果が生まれる。(G) Effects of the Invention As described above, the present invention shifts the positive electrode plate and the negative electrode plate in opposite directions and stores them in the battery case, and uses the opposite end of each electrode plate as a terminal portion. Thereby, the internal short circuit between the positive electrode plate and the negative electrode plate can be prevented, and the internal short circuit can be more reliably prevented by connecting each terminal to the respective positive electrode and negative electrode terminals outside the battery case. . By providing the means for preventing internal short-circuiting inside the battery case, charging and discharging of the battery with a large current can be performed efficiently, and the effect of increasing safety can be obtained.
更に、負極板を構成する集電端子板の孔径をその外周
部と中央部とで変化させ開孔率を変えることにより、大
電流充放電時の極板における反応分布の均一化を図るこ
とができ、高効率の充放電が行える効果が生まれる。Further, by changing the hole diameter of the current collector terminal plate constituting the negative electrode plate between the outer peripheral portion and the central portion to change the porosity, it is possible to achieve a uniform reaction distribution in the electrode plate during large current charging and discharging. As a result, there is an effect that highly efficient charging and discharging can be performed.
又更に、電池電槽内部に撥水性の耐アルカリ樹脂を塗
布すれば、電槽の内部圧による応力腐食、及び水素脆性
による腐食を防止できる効果がある。Further, if a water-repellent alkali-resistant resin is applied inside the battery case, there is an effect that stress corrosion due to the internal pressure of the case and corrosion due to hydrogen embrittlement can be prevented.
第１図は本発明の第１実施例を示す外観斜視図（一部破
断図）、第２図は負極集電端子板の平面図、第３図は本
発明の第２実施例を示す外観斜視図（一部破断図）であ
る。 １……電槽、２……負極板、３……正極板、４……セパ
レータ、５……正極端子、６……正極集電端子、７……
負極端子、８……負極集電端子、2a……負極集電端子部
分、3a……正極集電端子部分。FIG. 1 is an external perspective view (partially cutaway view) showing a first embodiment of the present invention, FIG. 2 is a plan view of a negative electrode current collector terminal plate, and FIG. 3 is an external view showing a second embodiment of the present invention. FIG. 3 is a perspective view (partially broken view). DESCRIPTION OF SYMBOLS 1 ... Battery case, 2 ... Negative electrode plate, 3 ... Positive electrode plate, 4 ... Separator, 5 ... Positive terminal, 6 ... Positive current collecting terminal, 7 ...
Negative electrode terminal, 8: negative electrode current collecting terminal, 2a: negative electrode current collecting terminal portion, 3a: positive electrode current collecting terminal portion.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 亀岡 誠司 大阪府守口市京阪本通２丁目18番地 三 洋電機株式会社内 (72)発明者 田所 幹朗 大阪府守口市京阪本通２丁目18番地 三 洋電機株式会社内 (56)参考文献 特開 昭51−58634（ＪＰ，Ａ) 実開 昭64−18575（ＪＰ，Ｕ) 実開 昭64−10965（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.6，ＤＢ名) H01M 10/00 - 10/04 H01M 10/24 - 10/34 H01M 4/64 - 4/74 H01M 2/02 - 2/04 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Seiji Kameoka 2-18-18 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Mikiro Tadoko 2--18 Keihanhondori, Moriguchi-shi, Osaka (56) References JP-A-51-58634 (JP, A) JP-A 64-18575 (JP, U) JP-A 64-10965 (JP, U) (58) Fields investigated ( Int.Cl. 6 , DB name) H01M 10/00-10/04 H01M 10/24-10/34 H01M 4/64-4/74 H01M 2/02-2/04
Claims (4)
る金属酸化物からなる平板状正極板、及び水素吸蔵合金
からなる平板状負極板と、これら正極板と負極板との間
に介挿されるセパレータと、アルカリ水溶液からなる電
解液と、によって形成される電池であって、 前記負極板は平板状集電体に水素吸蔵合金を固着して形
成され、該集電体は、端部から中央部に向かって開孔率
が次第に小さくなるよう形成された複数個の孔を有し、
前記正極板と負極板とを互いに相反する方向にずらして
前記電槽内に配置せしめ、各極板の相異なる側の端部に
夫々対応する集電端子を形成した金属−水素アルカリ蓄
電池。1. A rectangular parallelepiped battery case, a plate-like positive plate made of a metal oxide laminated in the battery case, and a plate-like negative plate made of a hydrogen storage alloy; A battery formed by a separator interposed therebetween and an electrolytic solution composed of an alkaline aqueous solution, wherein the negative electrode plate is formed by fixing a hydrogen storage alloy to a flat current collector, and the current collector is Having a plurality of holes formed such that the porosity gradually decreases from the end toward the center,
A metal-hydrogen alkaline storage battery in which the positive electrode plate and the negative electrode plate are displaced in opposite directions to each other and are disposed in the battery case, and corresponding collecting terminals are formed at different ends of the respective electrode plates.
塗布した請求項（１）記載の金属−水素アルカリ蓄電
池。2. The metal-hydrogen alkaline storage battery according to claim 1, wherein a water-repellent alkali-resistant resin is applied to the inner wall of the battery case.
る金属酸化物からなる平板状正極板、及び水素吸蔵合金
からなる平板状負極板と、これら正極板と負極板との間
に介挿されるセパレータと、アルカリ水溶液からなる電
解液と、によって形成される電池であって、 前記負極板は平板状集電体に水素吸蔵合金を固着して形
成され、該集電体は、端部から中央部に向かって開孔率
が次第に小さくなるよう形成された複数個の孔を有し、
前記正極板と負極板とは、前記電槽内において電気的に
絶縁されている金属−水素アルカリ蓄電池。3. A battery case having a rectangular parallelepiped shape, a plate-like positive plate made of a metal oxide laminated in the battery case, and a plate-like negative plate made of a hydrogen storage alloy. A battery formed by a separator interposed therebetween and an electrolytic solution composed of an alkaline aqueous solution, wherein the negative electrode plate is formed by fixing a hydrogen storage alloy to a flat current collector, and the current collector is Having a plurality of holes formed such that the porosity gradually decreases from the end toward the center,
A metal-hydrogen alkaline storage battery in which the positive electrode plate and the negative electrode plate are electrically insulated in the battery case.
塗布した請求項（３）記載の金属−水素アルカリ蓄電
池。4. The metal-hydrogen alkaline storage battery according to claim 3, wherein a water-repellent alkali-resistant resin is applied to the inner wall of the battery case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2092507A JP2919548B2 (en) | 1990-04-06 | 1990-04-06 | Metal-hydrogen alkaline storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2092507A JP2919548B2 (en) | 1990-04-06 | 1990-04-06 | Metal-hydrogen alkaline storage battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03291858A JPH03291858A (en) | 1991-12-24 |
| JP2919548B2 true JP2919548B2 (en) | 1999-07-12 |
Family
ID=14056227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2092507A Expired - Fee Related JP2919548B2 (en) | 1990-04-06 | 1990-04-06 | Metal-hydrogen alkaline storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2919548B2 (en) |
-
1990
- 1990-04-06 JP JP2092507A patent/JP2919548B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03291858A (en) | 1991-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4957830A (en) | Rechargeable metal oxide-hydrogen battery | |
| US3650837A (en) | Secondary metal/air cell | |
| US3990910A (en) | Nickel-hydrogen battery | |
| US3607403A (en) | Self-charging battery incorporating a solid-gas battery and storage battery within a honeycomb matrix | |
| US20090068548A1 (en) | Lithium Ion Prismatic Cells | |
| JP4757369B2 (en) | Rectangular alkaline storage battery, unit battery and assembled battery using the same | |
| KR100687273B1 (en) | Electrode unit for rechargeable electrochemical cells | |
| US6033796A (en) | Chemical reaction battery | |
| US3377201A (en) | Spiral battery cell | |
| EP0114484B1 (en) | Improved rechargeable lead-hydrogen electrical cell | |
| JPH07254431A (en) | Secondary battery containing electrolytic aqueous solution of which maintenance is unnecessary | |
| WO2002059986A2 (en) | Electrode with flag-shaped tap | |
| US3317349A (en) | Ambipolar battery including electrodes of identical nickelous composition | |
| JP3287367B2 (en) | Sealed nickel zinc battery | |
| JPS58121568A (en) | Iron-silver battery | |
| JP2919548B2 (en) | Metal-hydrogen alkaline storage battery | |
| JPH09147829A (en) | Storage battery | |
| US3463673A (en) | Electrochemical coulometer and method of forming same | |
| CN100449821C (en) | Chargeable electrochemical cell | |
| JP2006522995A (en) | Battery with insulating tubular housing | |
| US3230112A (en) | Sealed alkaline storage battery | |
| US5932370A (en) | Group of winding electrodes | |
| US4461812A (en) | Lightweight storage battery | |
| JP2950900B2 (en) | Metal-hydrogen alkaline storage battery | |
| KR100572223B1 (en) | Sealed battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |