JPH01200555A - Manufacture of positive pole plate for alkaline storage battery - Google Patents
Manufacture of positive pole plate for alkaline storage batteryInfo
- Publication number
- JPH01200555A JPH01200555A JP63035657A JP3565788A JPH01200555A JP H01200555 A JPH01200555 A JP H01200555A JP 63035657 A JP63035657 A JP 63035657A JP 3565788 A JP3565788 A JP 3565788A JP H01200555 A JPH01200555 A JP H01200555A
- Authority
- JP
- Japan
- Prior art keywords
- hydroxide
- active material
- cobalt
- nickel
- 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.)
- Granted
Links
- 238000003860 storage Methods 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 239000011149 active material Substances 0.000 claims abstract description 23
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 claims abstract description 22
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 18
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 claims abstract description 15
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910000428 cobalt oxide Inorganic materials 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 239000012670 alkaline solution Substances 0.000 claims description 5
- 229910000480 nickel oxide Inorganic materials 0.000 abstract description 6
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 abstract description 6
- 239000003513 alkali Substances 0.000 abstract description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 17
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- 229910052759 nickel Inorganic materials 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 235000011118 potassium hydroxide Nutrition 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229940044175 cobalt sulfate Drugs 0.000 description 2
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 2
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- PLLZRTNVEXYBNA-UHFFFAOYSA-L cadmium hydroxide Chemical compound [OH-].[OH-].[Cd+2] PLLZRTNVEXYBNA-UHFFFAOYSA-L 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 1
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 1
- -1 cobalt salt Chemical class 0.000 description 1
- PKSIZOUDEUREFF-UHFFFAOYSA-N cobalt;dihydrate Chemical compound O.O.[Co] PKSIZOUDEUREFF-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005406 washing 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/24—Electrodes for alkaline accumulators
- H01M4/32—Nickel oxide or hydroxide 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
本発明は、ニッケル、カドミウム蓄電池等に用いられる
アルカリ蓄電池用正極板の製造方法に関するものである
。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a method for manufacturing a positive electrode plate for an alkaline storage battery used for nickel, cadmium storage batteries, and the like.
（財）従来の技術
水酸化ニッケルを活物質とするアルカリ蓄電池用正極板
の利用率を向上させる方法として、従来から水酸化コバ
ルトの添加が知られており、添加方法は２つ署二分類す
ることができる。Conventional Technology The addition of cobalt hydroxide has long been known as a method of improving the utilization rate of positive electrode plates for alkaline storage batteries that use nickel hydroxide as an active material, and the methods of addition are classified into two categories. be able to.
１つはニッケル塩とコバルト塩！含む含浸液を用い、活
物質を充填すること【二より、水酸化コバルトを活物質
中Ｃ二均−に分散きせる方法であるが、利用率向上の効
果は小さく不充分である。One is nickel salt and cobalt salt! Filling the active material with an impregnating liquid containing the active material [Secondly, this is a method of dispersing cobalt hydroxide evenly in the active material, but the effect of improving the utilization rate is small and insufficient.
もう１つは、例えば特公昭５７−５０１８号公報に開示
されるよう（：、活物質の表面Ｌ：水酸化コバルト層を
設けるという方法である。この場合、添加された水酸化
コバルトは電池内で充放電を受けることにより、導電性
の高い高次コバルト酸化物に変化し、活物質の導電性を
高め利用率を向上させる。The other method is to provide a cobalt hydroxide layer on the surface L of the active material, as disclosed in Japanese Patent Publication No. 57-5018. In this case, the added cobalt hydroxide is When it is charged and discharged, it changes into a highly conductive higher-order cobalt oxide, increasing the conductivity of the active material and improving its utilization rate.
（ハ）発明が解決しようとする課題
上記従来技術Ｃ二て述べた２つの方法は、電池内で導電
性の高い高次コバル）？化物を生成させるため利用率が
安定するまでに数サイクルが必要であり、また水酸化コ
バルトの酸化が不完全である九めに、表面を高次コバル
ト酸化物（：ておおわれていない活物質が存在し、利用
率向上の効果を充分に得られない。(c) Problems to be Solved by the Invention The two methods described in Prior Art C2 above are based on high-order cobal, which has high conductivity within the battery. Several cycles are required for the utilization rate to stabilize due to the formation of cobalt oxides. Also, the oxidation of cobalt hydroxide is incomplete. Therefore, the effect of improving utilization rate cannot be obtained sufficiently.
そこで本発明はかかる問題点（：鑑みなされたものであ
って、水酸化ニッケルよりなる活物質を多孔性金属基板
に充填した電極の利用率の向上を目的とするものである
。The present invention was developed in view of these problems, and aims to improve the utilization rate of an electrode in which a porous metal substrate is filled with an active material made of nickel hydroxide.
に）課題を解決するための手段
本発明のアルカリ蓄電池用正極板の製造方法は、水酸化
ニッケルよりなる活物質を多孔性金属基板ζ：充填する
第１の工程と、水酸化ニッケルよりなる活物質表面Ｃ二
水酸化コバルトを形成してアルカリ溶液共存下で加熱処
理を行い該水酸化コバルトを高次コバルト酸化物Ｃ：変
化させる第２の工程を有し、第１の工程の後Ｃ：第２の
工程を行う、もしくは第２の工程の後（；第１の工程を
行うことを特徴とするものである。2) Means for Solving the Problems The method for manufacturing a positive electrode plate for an alkaline storage battery of the present invention comprises a first step of filling a porous metal substrate ζ with an active material made of nickel hydroxide, and a step of filling an active material made of nickel hydroxide with A second step of forming cobalt dihydroxide C on the material surface and converting the cobalt hydroxide into a higher order cobalt oxide C: by heat treatment in the coexistence of an alkaline solution, and after the first step C: It is characterized in that the second step is performed, or after the second step (; the first step is performed).
（ホ）作 用
水酸化コバルトをアルカリ溶液共存下で加熱処理するこ
とにより、生成する高次コバルト酸化物は導電性が高く
、これを活物質表面に設けることによシ活物質の導電性
が高くなり、正極板の利用率の向上をもたらす。更に、
この高次コバルト酸化物が電池の充放電初期より、活物
質表面に均一に生成しているため、利用率は従来の水酸
化コバルト表面添加正極板（：比べ高い値であり、かつ
安定している。(E) Effect By heat-treating cobalt hydroxide in the coexistence of an alkaline solution, the generated higher-order cobalt oxide has high conductivity, and by providing this on the surface of the active material, the conductivity of the active material can be increased. This results in an improvement in the utilization rate of the positive electrode plate. Furthermore,
Since this higher-order cobalt oxide is uniformly generated on the surface of the active material from the beginning of charging and discharging the battery, the utilization rate is higher and more stable than that of conventional positive electrode plates with cobalt hydroxide added to the surface. There is.
ここでアルカリ溶液共存下での加熱処理は、水酸化コバ
ルトを完全（二高次コバルト酸化物（二変化させること
が重要であり、処理温度としては６０℃以上が必要であ
る。しかし活物質である水酸化ニッケルは２２０℃以上
で酸化ニッケルに変化するため、これを防ぐためには２
２０℃以下で加熱処理することが必要である。Here, the heat treatment in the coexistence of an alkaline solution is important to completely convert cobalt hydroxide (to two higher order cobalt oxides), and the treatment temperature must be 60°C or higher. Some nickel hydroxide changes to nickel oxide at temperatures above 220°C, so to prevent this,
It is necessary to carry out the heat treatment at a temperature of 20° C. or lower.
（へ）実施例
〔実施例１〕
ここでは第１の工程の後に、ｍ２の工程を行つ九場合に
ついて詳述する。(F) Example [Example 1] Here, nine cases in which the step m2 is performed after the first step will be described in detail.
硝酸ニッケルを主成分とする含浸液を用いて、化学含浸
法により多孔性金属基板としての焼結式ニッケル基板に
ニッケル活物質を保持（第１の工程）した電極を、比重
ｔ３０の硝酸コバルト水溶液Ｃ：室温（：て１０分間浸
漬し念後、アルカリ処理し、続いてアルカリ溶液を含ん
だままのこの電極を１００℃≦：て１時間加熱処理（第
２の工程）し、その後水洗、乾燥を行ない、本発明正極
板（４）を作製した。An electrode holding a nickel active material (first step) on a sintered nickel substrate as a porous metal substrate is coated with an aqueous cobalt nitrate solution with a specific gravity of t30 using an impregnating liquid mainly composed of nickel nitrate. C: Immersed at room temperature for 10 minutes, treated with alkali, then heated at 100°C for 1 hour (second step), followed by washing with water and drying. A positive electrode plate (4) according to the present invention was prepared.
比較正極板として、加熱処理しない以外は本発明正極板
と同様の操作を行ない活物質表面に水酸化コバルトを設
けた正極板０３）、および化学含浸法１：！りｍ結式ニ
ッケル基板（二ニッケル活物質を保持したのみの正極板
（０）を作製した。As comparative positive electrode plates, positive electrode plate 03) in which cobalt hydroxide was provided on the active material surface by performing the same operation as the positive electrode plate of the present invention except that no heat treatment was performed, and chemical impregnation method 1:! A positive electrode plate (0) containing a nickel-type nickel substrate (only holding a nickel active material) was prepared.
これらの正極板を、比重１２３の苛性カリ中にて、充放
電サイクル（充電：Ｑ、１ｃ（ＶＢ理論容量）の電流値
（二て１０時間、放電０，２（！（ＶＳ理論容量）の電
流値にて放電終止電圧−０，８”／（ＶＳニッケル対極
））を行ない充放電サイクルに伴う利用率を測定した。These positive electrode plates were charged and discharged in caustic potash with a specific gravity of 123 (charging: Q, current value of 1c (VB theoretical capacity) (2 to 10 hours, discharging 0, 2 (! (VS theoretical capacity) current The final discharge voltage was -0.8''/(VS nickel counter electrode)), and the utilization rate accompanying the charge/discharge cycle was measured.
その結果を第１図に示す。The results are shown in FIG.
これより本発明正極板は、比較正極板Ｃ：比べ利用率が
高く、かつ安定していることが明らかである。From this, it is clear that the positive electrode plate of the present invention has a higher utilization rate and is more stable than the comparative positive electrode plate C.
ま九、本発明正極板を作製する際に行なわれる加熱処理
の温度を、種々設定して正極板を作製し、残存水酸化コ
バルトの有無をＸ線回折法にて、酸化ニッケル量を化学
分析法にて測定した。この結果を第１表Ｃ二足した。(9) The positive electrode plate was prepared by setting various temperatures for the heat treatment performed when producing the positive electrode plate of the present invention, and the presence or absence of residual cobalt hydroxide was determined by X-ray diffraction, and the amount of nickel oxide was chemically analyzed. Measured using the method. These results were added to C in Table 1.
第 １ 表
これより加熱処理温度は、残存水酸化コバルトが無くな
って高次コバルト酸化物に変化しておりかつ水酸化ニッ
ケルの酸化ニッケルへの変化が生しない６０℃〜２２０
℃が好ましいことがわかる。Table 1 From this table, the heat treatment temperature ranges from 60°C to 220°C, where residual cobalt hydroxide disappears and changes to higher-order cobalt oxide, and nickel hydroxide does not change to nickel oxide.
It can be seen that ℃ is preferable.
〔実施例２〕
次に、第２の工程の後に第１の工程を行った場合につい
て、詳述する。[Example 2] Next, a case where the first step is performed after the second step will be described in detail.
活物質である粒径的１０μの水酸化ニッケル？過剰の１
．０Ｘ［］０１／ 硫酸コバルト水溶液（室温）（二浸
漬し、３０分間攪拌した。過剰の硫酸コバルトを濾別し
、その後Ｚ［）ｍｏｌ／Ｊ水酸化カリウム水溶液に浸漬
し、水酸化ニッケル上に水酸化コバルトｖ生成させ、さ
らζ二過剰のアルカリ溶液を濾別した後、各所定温度Ｃ
二で加熱処理（第２の工程）〔空気中〕し、水洗、乾燥
をし、活物質粉率を得た。Nickel hydroxide with a particle size of 10μ as an active material? excess 1
．． 0X[]01/ cobalt sulfate aqueous solution (room temperature) (dipped twice and stirred for 30 minutes. Excess cobalt sulfate was filtered off, then immersed in Z[) mol/J potassium hydroxide aqueous solution, and immersed on nickel hydroxide. After producing cobalt hydroxide v and filtering off the excess alkaline solution,
2, heat treated (second step) [in air], washed with water, and dried to obtain an active material powder ratio.
これらの試料Ｃ二ついて、ｘｉ回回折−より残存水酸化
コバルトを、化学分析法により生成酸化ニッケルを測定
した。この結果を第２表（二足した。Two of these samples C were used, and residual cobalt hydroxide was measured by xi diffraction, and produced nickel oxide was measured by chemical analysis. The results are shown in Table 2 (the two were added together).
以下余白
第２表
６Ｄ’Ｃ未潜では、水酸化コバルトが高次コバルト酸化
物へ全て変化しておらず％ ２２ｎ’ｃを越えると水酸
化ニッケルが酸化ニッケルへ変化していることがわかる
。つまり加熱処理温度は、６ｏ℃以上、２２０℃以下が
好ましい。It can be seen that in the blank Table 2 6D'C unsubmerged, cobalt hydroxide has not completely changed to higher-order cobalt oxide, but when %22n'c is exceeded, nickel hydroxide has changed to nickel oxide. That is, the heat treatment temperature is preferably 60° C. or higher and 220° C. or lower.
次に、前記加熱（第２の工程）の処理温度１゜０℃にて
作製した試料粉末ＣＣ，ｏ／ｕ１重量比は２／１００）
に、水酸化コバルトをＯｏ ＺＮ １重量比が５／１０
０になるように水および糊料（ヒドロキシグロビルセル
ロース）とともに加え、ペースト状とし、このペースト
を発泡ニッケル多孔体（多孔性金属基板）に充＃Ｉ（第
１の工程）後、乾燥し、本発明正極板Φ）を作製した。Next, sample powder CC was prepared at the heating (second step) treatment temperature of 1°0°C, o/u1 weight ratio was 2/100).
In addition, cobalt hydroxide was added to Oo ZN 1 at a weight ratio of 5/10.
0 with water and a glue (hydroxyglobil cellulose) to form a paste, fill this paste into a foamed nickel porous body (porous metal substrate) #I (first step), and then dry. A positive electrode plate Φ) of the present invention was produced.
また、水酸化ニッケルと水酸化コバルトをＣ，ｏ７Ｎ１
重量比が５／１００となるように水および糊料とともＣ
二加えペースト状とし、このペーストを発泡ニッケル多
孔体に充填後乾燥し比較正極板（６）を作製し九〇この
比較正極板Ｅには、第２の工場が存在しない。Also, nickel hydroxide and cobalt hydroxide are C, o7N1
C with water and glue so that the weight ratio is 5/100.
A comparative positive electrode plate (6) was prepared by filling this paste into a foamed nickel porous body and drying it to produce a comparative positive electrode plate (6).90 This comparative positive electrode plate E does not have a second factory.
各極板の利用２Ｋを対極に焼結式水酸化カドミウム極板
を用い、水酸化カリウム水溶ｉ（比重ｔ３１）中にて測
定（充電：０．１ｔＯＶう理論容量Ｃ：て２４０％、放
’ＦＩＸ：ａｉｚ：て対極Ｉ：対し＋０．８Ｖまで）を
行った。この結果２第２図（二足した。これよシ、本発
明正極板の）の利用率が安定したものであることがわか
る。Using a sintered cadmium hydroxide electrode plate with 2K as the counter electrode, measured in potassium hydroxide aqueous solution (specific gravity t31) (charging: 0.1 tOV, theoretical capacity C: 240%, release) FIX:aiz:to counter electrode I:up to +0.8V). As a result, it can be seen that the utilization rate shown in FIG. 2 (addition of the two, for the positive electrode plate of the present invention) is stable.
尚、本発明（＝おいて高次酸化コバルトとは化学式００
００Ｈ，００２０３等で示されるものであるＯ
（ト） 発明の効果
本発明のアルカリ蓄電池用正極板の製造方法は活物質表
面に導電性の高い高次コバルト酸化物を形成することに
より、利用率が高くかつ、充放電サイクルにおいても安
定した正極板が得られ、その工業的価値はきわめて大き
い。In the present invention (=, higher cobalt oxide has the chemical formula 00
00H, 00203, etc. Effects of the Invention The method for producing a positive electrode plate for alkaline storage batteries of the present invention improves the utilization rate by forming a highly conductive higher cobalt oxide on the surface of the active material. It is possible to obtain a positive electrode plate that has a high resistance and is stable during charging and discharging cycles, and its industrial value is extremely large.
【図面の簡単な説明】
第１図及び第２図はいずれも正極板の利用率とサイクル
数の関係を示す図である。
Ａ、Ｄ・・・本発明正極板、Ｂ１０、Ｅ・・・比較正極
板ＯBRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 and FIG. 2 are both diagrams showing the relationship between the utilization rate of the positive electrode plate and the number of cycles. A, D... Inventive positive electrode plate, B10, E... Comparative positive electrode plate O
Claims (2)
に充填する第１の工程と、水酸化ニツケルよりなる活物
質表面に水酸化コバルトを形成してアルカリ溶液共存下
で加熱処理を行い該水酸化コバルトを高次コバルト酸化
物に変化させる第２の工程を有し、第１の工程の後に第
２の工程を行う、もしくは第２の工程の後に第１の工程
を行うことを特徴とするアルカリ蓄電池用正極板の製造
方法。(1) A first step of filling a porous metal substrate with an active material made of nickel hydroxide, and forming cobalt hydroxide on the surface of the active material made of nickel hydroxide and heat-treating it in the coexistence of an alkaline solution. It has a second step of converting cobalt hydroxide into a higher-order cobalt oxide, and is characterized in that the second step is performed after the first step, or the first step is performed after the second step. A method for manufacturing a positive electrode plate for an alkaline storage battery.
とを特徴とする請求項（１）記載のアルカリ蓄電池用正
極板の製造方法。(2) The method for manufacturing a positive electrode plate for an alkaline storage battery according to claim (1), wherein the heat treatment is performed at a temperature of 60°C or higher and 220°C or lower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63035657A JP2589123B2 (en) | 1987-10-15 | 1988-02-18 | Method for producing positive electrode plate for alkaline storage battery |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-260259 | 1987-10-15 | ||
| JP26025987 | 1987-10-15 | ||
| JP63035657A JP2589123B2 (en) | 1987-10-15 | 1988-02-18 | Method for producing positive electrode plate for alkaline storage battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01200555A true JPH01200555A (en) | 1989-08-11 |
| JP2589123B2 JP2589123B2 (en) | 1997-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63035657A Expired - Lifetime JP2589123B2 (en) | 1987-10-15 | 1988-02-18 | Method for producing positive electrode plate for alkaline storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2589123B2 (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993008611A1 (en) * | 1991-10-21 | 1993-04-29 | Yuasa Corporation | Method for production of nickel plate and alkali storage battery |
| EP0727835A1 (en) * | 1995-02-14 | 1996-08-21 | SANYO ELECTRIC Co., Ltd. | Nickel active material for use in alkali storage cells and its manufacturing method |
| EP0752726A3 (en) * | 1995-07-04 | 1997-02-12 | Sanyo Electric Co | |
| US5629111A (en) * | 1994-09-20 | 1997-05-13 | Sanyo Electric Co. Ltd. | Nickel electrode active material; a nickel electrode and a nickel alkali storage cell using such nickel electrode active material; and production methods of such material, electrode, and cell |
| EP0789408A2 (en) * | 1996-02-07 | 1997-08-13 | SANYO ELECTRIC Co., Ltd. | Conductive agent and non-sintered nickel electrode for alkaline storage batteries |
| US5672447A (en) * | 1995-07-31 | 1997-09-30 | Sanyo Electric Co., Ltd. | Non-sintered nickel electrode with excellent over-discharge characteristics, an alkaline storage cell having the non-sintered nickel electrode, and a manufacturing method of the non-sintered nickel electrode |
| EP0853346A1 (en) * | 1997-01-10 | 1998-07-15 | Matsushita Electric Industrial Co., Ltd. | Nickel positive electrode for alkaline storage batteries and method for producing the same |
| US5804334A (en) * | 1995-11-16 | 1998-09-08 | Matsushita Electric Industrial Co., Ltd. | Alkaline storage battery and method for producing positive electrode thereof |
| US6605389B2 (en) | 2000-03-23 | 2003-08-12 | Sanyo Electric Co., Ltd. | Alkaline storage battery and method of manufacturing the same |
| US7063915B1 (en) | 1998-02-20 | 2006-06-20 | Sanyo Electric Co., Ltd. | Nickel electrode for alkali storage battery, method of producing nickel electrode for alkali storage battery, and alkali storage battery |
| EP1901373A1 (en) | 1998-11-30 | 2008-03-19 | Sanyo Electric Co., Ltd. | Nickel electrodes for alkaline secondary battery and alkaline secondary batteries |
| WO2019225461A1 (en) | 2018-05-21 | 2019-11-28 | トヨタ自動車株式会社 | Positive electrode active material, positive electrode, alkaline battery, and method for producing positive electrode active material |
| KR20210002567A (en) | 2018-05-21 | 2021-01-08 | 도요타 지도샤（주） | Positive electrode active material, positive electrode, alkaline storage battery, and method of manufacturing positive electrode active material |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19910461A1 (en) | 1999-03-10 | 2000-09-14 | Starck H C Gmbh Co Kg | Nickel hydroxide coated with cobalt hydroxide |
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| JPS575018A (en) * | 1980-06-13 | 1982-01-11 | Olympus Optical Co Ltd | Focus controller |
| JPS60225356A (en) * | 1984-04-20 | 1985-11-09 | Sanyo Electric Co Ltd | Method of manufacturing nickel positive electrode for alkaline storage battery |
| JPS62122064A (en) * | 1985-11-21 | 1987-06-03 | Japan Storage Battery Co Ltd | Manufacture of nickel positive plate for alkaline storage battery |
| JPS62222566A (en) * | 1986-03-24 | 1987-09-30 | Yuasa Battery Co Ltd | Nickel electrode for alkaline battery |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS575018A (en) * | 1980-06-13 | 1982-01-11 | Olympus Optical Co Ltd | Focus controller |
| JPS60225356A (en) * | 1984-04-20 | 1985-11-09 | Sanyo Electric Co Ltd | Method of manufacturing nickel positive electrode for alkaline storage battery |
| JPS62122064A (en) * | 1985-11-21 | 1987-06-03 | Japan Storage Battery Co Ltd | Manufacture of nickel positive plate for alkaline storage battery |
| JPS62222566A (en) * | 1986-03-24 | 1987-09-30 | Yuasa Battery Co Ltd | Nickel electrode for alkaline battery |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993008611A1 (en) * | 1991-10-21 | 1993-04-29 | Yuasa Corporation | Method for production of nickel plate and alkali storage battery |
| US5489314A (en) * | 1991-10-21 | 1996-02-06 | Yuasa Corporation | Manufacturing method of nickel plate and manufacturing method of alkaline battery |
| US5629111A (en) * | 1994-09-20 | 1997-05-13 | Sanyo Electric Co. Ltd. | Nickel electrode active material; a nickel electrode and a nickel alkali storage cell using such nickel electrode active material; and production methods of such material, electrode, and cell |
| EP0727835A1 (en) * | 1995-02-14 | 1996-08-21 | SANYO ELECTRIC Co., Ltd. | Nickel active material for use in alkali storage cells and its manufacturing method |
| US5691086A (en) * | 1995-02-14 | 1997-11-25 | Sanyo Electric Co., Ltd. | Nickel active material for use in alkali storage cells and its manufactuiring method |
| EP0752726A3 (en) * | 1995-07-04 | 1997-02-12 | Sanyo Electric Co | |
| US5702762A (en) * | 1995-07-04 | 1997-12-30 | Sanyo Electric Co., Ltd. | Manufacturing method of an active material suitable for non-sintered nickel electrodes for use in alkaline storage cells |
| US6632568B1 (en) | 1995-07-31 | 2003-10-14 | Akifumi Yamawaki | Non-sintered nickel electrode with excellent over-discharge characteristics, an alkaline storage cell having the non-sintered nickel electrode, and a manufacturing method of the non-sintered nickel electrode |
| US5672447A (en) * | 1995-07-31 | 1997-09-30 | Sanyo Electric Co., Ltd. | Non-sintered nickel electrode with excellent over-discharge characteristics, an alkaline storage cell having the non-sintered nickel electrode, and a manufacturing method of the non-sintered nickel electrode |
| US5688616A (en) * | 1995-07-31 | 1997-11-18 | Sanyo Electric Co., Ltd. | Non-sintered nickel electrode with excellent over-discharge characteristics, an alkaline storage cell having the non-sintered nickel electrode, and a manufacturing method of the non-sintered nickel electrode |
| US6156455A (en) * | 1995-11-16 | 2000-12-05 | Matsushita Electric Industrial Co., Ltd. | Method for producing positive electrodes of alkaline storage batteries |
| US5804334A (en) * | 1995-11-16 | 1998-09-08 | Matsushita Electric Industrial Co., Ltd. | Alkaline storage battery and method for producing positive electrode thereof |
| EP0789408A3 (en) * | 1996-02-07 | 1998-09-16 | SANYO ELECTRIC Co., Ltd. | Conductive agent and non-sintered nickel electrode for alkaline storage batteries |
| US6057057A (en) * | 1996-02-07 | 2000-05-02 | Sanyo Electric Co., Ltd. | Conductive agent and non-sintered nickel electrode for alkaline storage batteries |
| CN1114961C (en) * | 1996-02-07 | 2003-07-16 | 三洋电机株式会社 | Conductive agent and non-sintered nickel electrode for alkaline storage batteries |
| EP0789408A2 (en) * | 1996-02-07 | 1997-08-13 | SANYO ELECTRIC Co., Ltd. | Conductive agent and non-sintered nickel electrode for alkaline storage batteries |
| EP0853346A1 (en) * | 1997-01-10 | 1998-07-15 | Matsushita Electric Industrial Co., Ltd. | Nickel positive electrode for alkaline storage batteries and method for producing the same |
| US6287726B1 (en) | 1997-01-10 | 2001-09-11 | Matsushita Electric Industrial Co., L.T.D. | Method for producing nickel positive electrode for alkaline storage batteries |
| US6562516B2 (en) | 1997-01-10 | 2003-05-13 | Matsushita Electric Industrial Co., Ltd. | Nickel positive electrode for alkaline storage batteries |
| US7063915B1 (en) | 1998-02-20 | 2006-06-20 | Sanyo Electric Co., Ltd. | Nickel electrode for alkali storage battery, method of producing nickel electrode for alkali storage battery, and alkali storage battery |
| US7112228B2 (en) | 1998-02-20 | 2006-09-26 | Sanyo Electric Co., Ltd. | Nickel electrode for alkaline storage battery, method of producing nickel electrode for alkaline storage battery, and alkaline storage battery |
| EP1901373A1 (en) | 1998-11-30 | 2008-03-19 | Sanyo Electric Co., Ltd. | Nickel electrodes for alkaline secondary battery and alkaline secondary batteries |
| US6605389B2 (en) | 2000-03-23 | 2003-08-12 | Sanyo Electric Co., Ltd. | Alkaline storage battery and method of manufacturing the same |
| WO2019225461A1 (en) | 2018-05-21 | 2019-11-28 | トヨタ自動車株式会社 | Positive electrode active material, positive electrode, alkaline battery, and method for producing positive electrode active material |
| KR20210002567A (en) | 2018-05-21 | 2021-01-08 | 도요타 지도샤（주） | Positive electrode active material, positive electrode, alkaline storage battery, and method of manufacturing positive electrode active material |
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| Publication number | Publication date |
|---|---|
| JP2589123B2 (en) | 1997-03-12 |
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