JPH0426058A - Manufacture of nickel electrode plate - Google Patents
Manufacture of nickel electrode plateInfo
- Publication number
- JPH0426058A JPH0426058A JP2130802A JP13080290A JPH0426058A JP H0426058 A JPH0426058 A JP H0426058A JP 2130802 A JP2130802 A JP 2130802A JP 13080290 A JP13080290 A JP 13080290A JP H0426058 A JPH0426058 A JP H0426058A
- Authority
- JP
- Japan
- Prior art keywords
- nickel
- electrode plate
- mixed
- hydroxide
- nickel 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
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000007800 oxidant agent Substances 0.000 claims abstract description 7
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 claims abstract description 5
- 150000001869 cobalt compounds Chemical class 0.000 claims abstract description 4
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(II) oxide Inorganic materials [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 239000000835 fiber Substances 0.000 abstract description 4
- 239000007864 aqueous solution Substances 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000001590 oxidative effect Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract description 2
- 239000004809 Teflon Substances 0.000 abstract description 2
- 229920006362 Teflon® Polymers 0.000 abstract description 2
- PLLZRTNVEXYBNA-UHFFFAOYSA-L cadmium hydroxide Chemical compound [OH-].[OH-].[Cd+2] PLLZRTNVEXYBNA-UHFFFAOYSA-L 0.000 abstract description 2
- 229910001882 dioxygen Inorganic materials 0.000 abstract description 2
- 239000013543 active substance Substances 0.000 abstract 2
- 229910002567 K2S2O8 Inorganic materials 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- -1 dried Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 235000019394 potassium persulphate Nutrition 0.000 abstract 1
- 239000011149 active material Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000005755 formation reaction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000609 methyl cellulose Polymers 0.000 description 2
- 239000001923 methylcellulose Substances 0.000 description 2
- 235000010981 methylcellulose Nutrition 0.000 description 2
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 description 1
- 208000001840 Dandruff Diseases 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
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
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は７〜カリ蓄電池に用いるニフケ／ｌ’極板の製
造法に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method for producing Nifke/l' plates for use in 7-potassium storage batteries.
従来技術とその問題点
従来、ペースト酸二フケ〜極板は、水酸化二フケ〜に１
〜３０ｖｔ％の一酸化コバルト（以下Ｃｏｏ ） ヲｆ
Ｍ合し、メチルセルロース（ＭＣ）、力〜ボキＶメチ〜
セ〜ロース（ＯＭＧ）等の水溶液でペーストとし、これ
をニッケル繊維多孔体に充填していた。このニッケル極
板はＣｏＯを電解液中で溶解させ、β−００（ＯＨ）２
として＝ｙヶμ繊維集集電及びニッケμ活物質の周囲に
再析出させる。このために、通常１〜３日程度の注液後
静置するエージング工程が必要であった。その後充電に
よりβ−００００Ｈの導電性ネットワークを形成し、放
電性能の優れたニッケル極板とするものであった。エー
ジング工程がないと、ＣＯＯの溶解反応（ｍｌや、β−
ｃｏ（ＯＨ）２の析出反応（ｂｌが殆どできなくなり、
導電性ネットワークの形成反応（Ｃ）、（山が困難とな
り、活物質の利用率が低下する。Conventional technology and its problems Conventionally, paste acid didandruff ~ electrode plates were made from hydroxide didruff ~ 1
~30vt% cobalt monoxide (hereinafter referred to as Coo)
M combination, methyl cellulose (MC), power ~ Boki V Mechi ~
A paste was prepared using an aqueous solution of cellulose (OMG), and the paste was filled into a nickel fiber porous body. This nickel electrode plate is made by dissolving CoO in an electrolyte, β-00(OH)2
As = y μ μ fiber current collector and redeposited around the Nikke μ active material. For this reason, an aging step is usually required for about 1 to 3 days, in which the solution is left to stand after injection. Thereafter, a conductive network of β-0000H was formed by charging, resulting in a nickel electrode plate with excellent discharge performance. Without the aging step, the COO dissolution reaction (ml, β-
Co(OH)2 precipitation reaction (bl is hardly produced,
Formation reaction (C) of a conductive network, (the formation of a conductive network becomes difficult and the utilization rate of the active material decreases.
ｃＯｏ＋ｏｎ−一→ａｃｏｏ２ 、−・・・・・−
・（ｍｌａｃ０ｏ２−＋Ｈ２Ｏ→
β−ｃｏ（ＯＨ）２ ＋ Ｏｆ −・−−−−−−（ｂ
）ＥＣｏ０２−→Ｃ０００Ｈ＋ ｅ −・−−−−
−−（ｃｌβ−ｃｏ（ＯＨ）２→β−Ｃ０００Ｈ＋Ｈ２
Ｏ＋６ ”＝ （＋１１そのためにエーシング時間を
十分とり、その後充電により化成する必要がある。しか
しコバρＦの溶解度が低く、電解液量も少ないので十分
な溶解をすることかできない。そのために完全なコバル
トの導電性ネットワークの形成には、数ナイタルの充放
電を繰返す必要があり、生産性が悪かった。cOo+on-1 → acoo2 , -・・・・−
・(mlac0o2−+H2O→ β-co(OH)2 + Of −・−−−−−−(b
) ECo02−→C000H+ e −・−−−
--(clβ-co(OH)2→β-C000H+H2
O+6 ''= (+11) For this purpose, it is necessary to allow sufficient ashing time and then chemical formation by charging.However, since the solubility of cobalt ρF is low and the amount of electrolyte is small, sufficient dissolution cannot be achieved. Formation of a conductive network required repeated charging and discharging for several nitals, resulting in poor productivity.
発明の目的
本発明は上記従来の問題点に鑑みなされたものであり、
活物質利用率の優れた、生産効率の高い、化成が不要で
ある安価なニッケル極板を提供することを目的とするも
のである。Purpose of the Invention The present invention was made in view of the above-mentioned conventional problems, and an object thereof is to provide an inexpensive nickel electrode plate that has an excellent active material utilization rate, high production efficiency, and does not require chemical conversion. It is something.
発明の構成
本発明は上記目的を達成するべく、
水酸化ニッケμにコバルト化合物を混合したニッケル極
板を酸化剤により酸化したことを特徴とするニッケル極
板の製造法である。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention is a method for producing a nickel electrode plate, which is characterized in that a nickel electrode plate prepared by mixing nickel hydroxide μ with a cobalt compound is oxidized with an oxidizing agent.
更に、コバ／Ｉ／）化合物が一酸化コバルトである前記
のニッケル極板の製造法であるＯ更に、酸化剤力Ｅ ｘ
２ｓ２ｏＢである前記のニッケル極板の製造法である。Further, the method for producing the nickel electrode plate described above, in which the cobalt/I/) compound is cobalt monoxide;
This is a method for manufacturing the above-mentioned nickel electrode plate having 2s2oB.
実施例 臘下、本発明の詳細について一実施例により説明する。Example The details of the present invention will now be explained by way of an example.
水酸化声ドミウふを５ｖｔ％含有する球状水酸化ニッケ
μに、粒径１声禦、表面積７０’／９の０００を重量比
９５二５の割合で混合した。この混合活物質を比重１．
２５の水酸化カリウムを主体とする水溶液に入れ充分に
攪拌した。000 having a particle size of 1 mm and a surface area of 70'/9 was mixed in a weight ratio of 95:25 to spherical nickel hydroxide μ containing 5 vt% of hydroxide. This mixed active material has a specific gravity of 1.
No. 25 was added to an aqueous solution mainly consisting of potassium hydroxide and stirred thoroughly.
次ＩＣＫ２Ｓ２Ｏ１１をＯｏＯの叱ル数以上で且つ酸素
ガスが発生するまで加えた。混合活物質を一過し、水洗
、乾燥した。この活物質をＣＭＣ溶液でペースト状とし
、ニッケル繊維多孔体に充填した。その後８０℃で１時
間乾燥した後プレスし、表面にテフロンコーティングを
行いニッケル極板とした。ペースト式カドミウム極板か
らなる負極板とポリアミド系不織布と前記ニッケル極板
とを組合せて、比重１．２５の水酸化カリウム水溶液を
注液し、公称容量２．０ムｈの電池を得た。Next, ICK2S2O11 was added until the number of cracks of OoO or more was reached and oxygen gas was generated. The mixed active material was passed through, washed with water, and dried. This active material was made into a paste with a CMC solution and filled into a nickel fiber porous body. After that, it was dried at 80° C. for 1 hour and then pressed, and the surface was coated with Teflon to obtain a nickel electrode plate. A negative electrode plate made of a paste-type cadmium electrode plate, a polyamide nonwoven fabric, and the nickel electrode plate were combined, and an aqueous potassium hydroxide solution having a specific gravity of 1.25 was injected to obtain a battery with a nominal capacity of 2.0 μh.
比較のために、水酸化カドミウムを５ｖｔ％含有する球
状水酸化＝フケρをＣＭＣ溶液でペースト状として同様
のニッケル極板を得た。For comparison, a similar nickel electrode plate was obtained by making a paste of spherical hydroxide (dandruff) containing 5 vt% of cadmium hydroxide in a CMC solution.
（酸化していない活物質）この未化成の二７ケμ極板と
前記のペースト式カドミウム極板を用いて、組込み注液
後二一ジングし、化成充電し従来品の電池を得た。(Unoxidized active material) Using this unformed 27 μm electrode plate and the paste-type cadmium electrode plate described above, a conventional battery was obtained by assembling, injecting liquid, and chemically charging.
本発明のニッケル極板を用いた電池（本発明）と従来の
ニッケル極板を用いた電池（従来品）を用いて、１〜及
び３〜目の放電特性を調べ、その結果を第１図に示した
。Using a battery using the nickel electrode plate of the present invention (the present invention) and a battery using the conventional nickel electrode plate (conventional product), the discharge characteristics of items 1 to 3 were investigated, and the results are shown in Figure 1. It was shown to.
尚、充電々流０．１Ｃムで１１時間充電し、放電々流０
．２Ｃムで放電した。In addition, after charging for 11 hours with a current of 0.1 Cm, the current of discharge was 0.
．． It was discharged at 2C.
本発明では、１〜目から放電容量が一定であり、放電時
間に優れている。In the present invention, the discharge capacity is constant from the first to the third, and the discharge time is excellent.
一方、従来品では放電容量の安定化ｉｃ３〜を要した。On the other hand, conventional products required stabilization of discharge capacity of IC3 or more.
これは従来品では、Ｃ００が電気的に充電したとき初期
において完全ＩＣＣｏｏｏＨにならず、導電効率が低い
ため充放電反応が十分できない。This is because in the conventional product, when C00 is electrically charged, it does not become completely ICCoooH in the initial stage, and the conduction efficiency is low, so that the charging/discharging reaction cannot be performed sufficiently.
これに対して、本発明ではニッケル極活物質が酸化剤に
よりＣ００をすべてＣ６０ＯＨに変化させ、完全な導電
性ネットワークが形成されるためである。On the other hand, in the present invention, all C00 in the nickel electrode active material is changed to C60OH by the oxidizing agent, and a complete conductive network is formed.
尚、上記実施例に於いて酸化剤としてに２８２ ｏ＠を
用いたが、同等の酸化力を持つ酸化剤例えばＮａｚＳｚ
Ｏａ 、 ＣＨＥａ ）２５ｔｏｐ ＩＩ テｔｔ＞レ
バ１ 様す効ｉが得られる。［２８２Ｏ６は酸化力に優
れ、安全で取扱いが容易で安価であり最もよい。In the above examples, 282 o@ was used as the oxidizing agent, but oxidizing agents with equivalent oxidizing power such as NazSz
Oa, CHEa) 25top II ttt>lever 1 similar effect i is obtained. [282O6 is the best because it has excellent oxidizing power, is safe, easy to handle, and inexpensive.
発明の効果
上述した如く、本発明は活物質利用率の優れた、生産効
率の高い、化成が不要である安価なニッケル極板を提供
することが出来るので、その工業的価値は大である。Effects of the Invention As described above, the present invention has great industrial value because it can provide an inexpensive nickel electrode plate with excellent active material utilization, high production efficiency, and no need for chemical conversion.
第１図は本発明の電池と従来品の電池の放電特性の比較
図である。
呂願人 腸性を魅株式会社
第１図
１０ ２Ｏ ３０ ４０ ５０ ６０ ７０ ８０ ９
０ １００（％）利 用 率
手
続
補
正
書
（自発）
〕
事件の表示
発明の名称
ニッケル極板の製造法
３゜
補正をする者
事件との関係FIG. 1 is a comparison diagram of the discharge characteristics of the battery of the present invention and a conventional battery. Lu Ganjin Intestine Co., Ltd. Figure 1 10 2O 30 40 50 60 70 80 9
0 100 (%) Utilization Rate Procedural Amendment (Voluntary) ] Name of the invention indicated in the case Process for manufacturing nickel electrode plates 3゜Relationship with the case
Claims (3)
ケル極板を酸化剤により酸化したことを特徴とするニッ
ケル極板の製造法。(1) A method for producing a nickel electrode plate, characterized in that a nickel electrode plate prepared by mixing nickel hydroxide with a cobalt compound is oxidized with an oxidizing agent.
記載のニッケル極板の製造法。(2) Claim 1 wherein the cobalt compound is cobalt monoxide.
The method for producing the described nickel electrode plate.
のニッケル極板の製造法。(3) The method for producing a nickel electrode plate according to claim 1, wherein the oxidizing agent is K_2S_2O_8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2130802A JPH0824041B2 (en) | 1990-05-21 | 1990-05-21 | Nickel plate manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2130802A JPH0824041B2 (en) | 1990-05-21 | 1990-05-21 | Nickel plate manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0426058A true JPH0426058A (en) | 1992-01-29 |
| JPH0824041B2 JPH0824041B2 (en) | 1996-03-06 |
Family
ID=15043053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2130802A Expired - Lifetime JPH0824041B2 (en) | 1990-05-21 | 1990-05-21 | Nickel plate manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0824041B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0571630A1 (en) * | 1991-10-21 | 1993-12-01 | Yuasa Corporation | Method for production of nickel plate and alkali storage battery |
| US6471890B2 (en) | 2000-07-14 | 2002-10-29 | Matsushita Electrical Industrial Co., Ltd. | Method for producing a positive electrode active material for an alkaline storage battery |
| US6858347B2 (en) | 2000-03-24 | 2005-02-22 | Matsushita Electric Industrial Co., Ltd. | Paste type positive electrode for alkaline storage battery, and nickel-metal hydride storage battery |
-
1990
- 1990-05-21 JP JP2130802A patent/JPH0824041B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0571630A1 (en) * | 1991-10-21 | 1993-12-01 | Yuasa Corporation | Method for production of nickel plate and alkali storage battery |
| EP0571630A4 (en) * | 1991-10-21 | 1995-04-19 | Yuasa Battery Co Ltd | 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 |
| US6858347B2 (en) | 2000-03-24 | 2005-02-22 | Matsushita Electric Industrial Co., Ltd. | Paste type positive electrode for alkaline storage battery, and nickel-metal hydride storage battery |
| US6471890B2 (en) | 2000-07-14 | 2002-10-29 | Matsushita Electrical Industrial Co., Ltd. | Method for producing a positive electrode active material for an alkaline storage battery |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0824041B2 (en) | 1996-03-06 |
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