JPH0586622B2 - - Google Patents
Info
- Publication number
- JPH0586622B2 JPH0586622B2 JP60007741A JP774185A JPH0586622B2 JP H0586622 B2 JPH0586622 B2 JP H0586622B2 JP 60007741 A JP60007741 A JP 60007741A JP 774185 A JP774185 A JP 774185A JP H0586622 B2 JPH0586622 B2 JP H0586622B2
- Authority
- JP
- Japan
- Prior art keywords
- hydrogen storage
- alloy
- electrode
- mmni
- hydrogen
- 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 - Lifetime
Links
- 229910052739 hydrogen Inorganic materials 0.000 claims description 38
- 239000001257 hydrogen Substances 0.000 claims description 38
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 35
- 229910045601 alloy Inorganic materials 0.000 claims description 26
- 239000000956 alloy Substances 0.000 claims description 26
- 229910004247 CaCu Inorganic materials 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 229910052720 vanadium Inorganic materials 0.000 claims description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 4
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 4
- 229910052735 hafnium Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 229910052715 tantalum Inorganic materials 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 2
- 229910018007 MmNi Inorganic materials 0.000 description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 13
- 239000000843 powder Substances 0.000 description 9
- 239000010936 titanium Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011232 storage material Substances 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/383—Hydrogen absorbing alloys
-
- 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)
Description
(イ) 産業上の利用分野
本発明はアルカリ蓄電池の負極として用いられ
る水素吸蔵電極に関し、特に高容量を長期にわた
つて維持するよう改良された水素吸蔵電極に関す
る。
(ロ) 従来の技術
従来からよく用いられる蓄電池としては鉛電池
及びニツケル−カドミウム電池があるが、近年こ
れら電池より軽量で且つ高容量となる可能性があ
るということで、特に低圧に於いて負極活物質で
ある水素を可逆的に吸蔵及び放出することのでき
る水素吸蔵合金を備えた電極を負極に用い、水酸
化ニツケルなどの金属酸化物を正極活物質とする
電極を正極に用いた金属−水素アルカリ蓄電池が
注目されている。
一般にこの種蓄電池に用いられる水素吸蔵合金
を備えた水素吸蔵電極は特公昭58−46827号公報
に於いて提案されているように水素を吸蔵する合
金粉末と水素を吸蔵しない合金粉末との混合物を
焼結して焼結多孔体を作製し、これを水素吸蔵電
極とする方法、あるいは特開昭53−103541号公報
に於いて提案されているように水素を吸蔵する合
金粉末とアセチレンブラツク及び電極支持体とを
耐電解液性の粒子状結着剤により相互に結合させ
て水素吸蔵電極とする方法によつて作製されてお
り、これら電極に用いる水素吸蔵合金の1つに
MmNi5(Mmはミツシユメタル)がある。しかし
ながら、このMmNi5を備えた水素吸蔵電極は、
電極容量を規定するMmNi5の水素吸蔵量が少な
く、また充放電によるサイクル寿命が短く、充分
満足できるものとは言えなかつた。
(ハ) 発明が解決しようとする問題点
本発明はMmNi5をベースとして他の元素を含
有させてなる合金を負極に用いることにより、負
極の水素吸蔵量の増加やサイクル寿命の向上をは
かろうとするものである。
(ニ) 問題点を解決するための手段
本発明の水素吸蔵電極はMmNi5をベースとし、
該合金にSi,Ti,V,Fe,Co,Zn,Y,Zr,
Nb,Mo,Hf,Ta及びアルカリ土類金属から選
ばれる少なくとも一種の元素を含有させたCaCu5
構造の結晶構造を有する合金を備えたものであ
る。
(ホ) 作用
負極の水素吸蔵合金としてMmNi5をベースと
し、これに前記元素の少なくとも一種を含有させ
たCaCu5構造の結晶構造を有する合金を用いる
と、負極である水素吸蔵電極の寿命が伸び容量が
向上する。
(ヘ) 実施例
市販のミツシユメタル及びニツケルを組成比で
Mm:Ni:=1:5になるように混合し、アー
ク溶解炉に入れて加熱、溶解して合金化した後粉
砕してMmNi5粉末を得た。
また、ミツシユメタル、チタン、ニツケルを組
成比でMm:Ti:Ni:=0.9:0.1:5になるよう
混合し、同様にして加熱、溶解によつて合金化し
た後粉砕を行ない、結晶構造がCaCu5構造をとる
Mm0,9Ti0.1Ni5粉末を得ると共に、前記混合、合
金化及び粉砕という操作を行なつて第1表に示す
ような各種水素吸蔵合金を得た。
こうして得られた各種水素吸蔵合金粉末80重量
%、導電材としてのアセチレンブラツク10重量%
及び結着剤としてのフツ素樹脂粉末10重量%を混
合機で均一に混合すると共にフツ素樹脂を繊維化
する。そして得られた混練物をニツケル金網で包
み込み3ton/cm2で加圧成型することにより、外面
がニツケル金網で覆われた直径2cm、厚み1.2mm
の円形の水素吸蔵電極を種々作製した。上記外面
がニツケル金網で覆われた構造の水素吸蔵電極
は、充電時に電極中の水素吸蔵合金が水素を吸蔵
すると共に水素ガスを発生して生じる電極の膨張
を前記ニツケル金網によつて機械的に抑え、この
電極の膨張による電極の機械的強度の劣化及びそ
れに伴う水素吸蔵合金の脱落が抑えられて、充放
電サイクルによる性能の早期低下を防止する。
尚、これら水素吸蔵電極に用いた合金粉末は約
1.5gである。
次いで、上記水素吸蔵電極を理論容量が
600mAHの焼結式ニツケル正極と組み合わせ電
解液に水酸化カリウム水溶液を用いて密閉型ニツ
ケル−水素アルカリ蓄電池を作製した。これら電
池を0.1C電流で16時間充電し、0.2C電流で放電し
て電池電圧が1.0Vになつた時点で放電停止する
サイクル条件で充放電を繰り返し行ない、10サイ
クル各に容量測定を行なつて放電容量が初期容量
の50%を切つた時点でサイクルを終了することに
よつてサイクル寿命を測定した。この結果を負極
に用いた水素吸蔵合金に対応させて第1表に同時
に示す。
(a) Field of Industrial Application The present invention relates to a hydrogen storage electrode used as a negative electrode of an alkaline storage battery, and particularly to a hydrogen storage electrode that has been improved to maintain high capacity over a long period of time. (b) Conventional technology Lead-acid batteries and nickel-cadmium batteries have traditionally been commonly used storage batteries, but in recent years they have become lighter and have the potential to have higher capacity than these batteries. A metal-based metal in which the negative electrode is an electrode equipped with a hydrogen storage alloy that can reversibly absorb and release hydrogen as an active material, and the positive electrode is an electrode with a metal oxide such as nickel hydroxide as the positive active material. Hydrogen-alkaline storage batteries are attracting attention. Hydrogen storage electrodes equipped with hydrogen storage alloys that are generally used in this type of storage battery are made using a mixture of alloy powders that store hydrogen and alloy powders that do not store hydrogen, as proposed in Japanese Patent Publication No. 58-46827. A method of producing a sintered porous body by sintering and using it as a hydrogen storage electrode, or a method of using an alloy powder that stores hydrogen, an acetylene black, and an electrode as proposed in JP-A-53-103541. Hydrogen storage electrodes are produced by bonding the support and the support using a particulate binder that is resistant to electrolyte, and one of the hydrogen storage alloys used for these electrodes.
There is MmNi 5 (Mm is Mitsushi Metal). However, this hydrogen storage electrode with MmNi 5
The hydrogen storage capacity of MmNi 5 , which determines the electrode capacity, was small, and the cycle life due to charging and discharging was short, so it could not be said to be fully satisfactory. (c) Problems to be Solved by the Invention The present invention aims to increase the hydrogen storage capacity and cycle life of the negative electrode by using an alloy made of MmNi 5 as a base and containing other elements for the negative electrode. It is something that we try to do. (d) Means for solving the problems The hydrogen storage electrode of the present invention is based on MmNi 5 ,
The alloy contains Si, Ti, V, Fe, Co, Zn, Y, Zr,
CaCu 5 containing at least one element selected from Nb, Mo, Hf, Ta and alkaline earth metals
It is equipped with an alloy having a crystalline structure. (e) Effect If an alloy having a CaCu 5 crystal structure based on MmNi 5 and containing at least one of the above elements is used as the hydrogen storage alloy for the negative electrode, the life of the hydrogen storage electrode, which is the negative electrode, will be extended. Capacity is improved. (F) Example Composition ratio of commercially available Mitsushi Metal and Nickel
The mixture was mixed in a ratio of Mm:Ni=1:5, put into an arc melting furnace, heated and melted to form an alloy, and then crushed to obtain MmNi 5 powder. In addition, Mitsushi Metal, titanium, and nickel were mixed at a composition ratio of Mm:Ti:Ni: = 0.9:0.1:5, and after being alloyed by heating and melting in the same manner, the crystal structure was changed to CaCu. 5 structure
Mm 0,9 Ti 0.1 Ni 5 powder was obtained, and various hydrogen storage alloys as shown in Table 1 were obtained by performing the above mixing, alloying and pulverizing operations. 80% by weight of various hydrogen storage alloy powders obtained in this way, 10% by weight of acetylene black as a conductive material
and 10% by weight of fluororesin powder as a binder are uniformly mixed in a mixer and the fluororesin is made into fibers. Then, the obtained kneaded material is wrapped in a nickel wire mesh and pressure-molded at 3 tons/cm 2 , so that the outer surface is covered with a nickel wire mesh and has a diameter of 2 cm and a thickness of 1.2 mm.
We fabricated various circular hydrogen storage electrodes. In the hydrogen storage electrode whose outer surface is covered with a nickel wire mesh, the hydrogen storage alloy in the electrode absorbs hydrogen and generates hydrogen gas during charging, which mechanically reduces the expansion of the electrode. This suppresses the deterioration of the mechanical strength of the electrode due to the expansion of the electrode and the resulting drop-off of the hydrogen storage alloy, thereby preventing early deterioration of performance due to charge/discharge cycles.
The alloy powder used for these hydrogen storage electrodes is approximately
It is 1.5g. Next, the above hydrogen storage electrode is adjusted to have a theoretical capacity of
A sealed nickel-hydrogen alkaline storage battery was fabricated using a 600 mAH sintered nickel positive electrode and an aqueous potassium hydroxide solution as the electrolyte. These batteries were charged with a 0.1C current for 16 hours, discharged with a 0.2C current, and charged and discharged repeatedly under cycle conditions in which discharging was stopped when the battery voltage reached 1.0V, and the capacity was measured after each 10 cycles. The cycle life was measured by terminating the cycle when the discharge capacity fell below 50% of the initial capacity. The results are also shown in Table 1 in correspondence with the hydrogen storage alloy used for the negative electrode.
【表】
第1表からMmNi5をベースとして、Ti,V,
Zr,Nb,Mo,Hf,Taを含有させた合金を備え
た水素吸蔵電極はMmNi5を水素吸蔵材として備
えた水素吸蔵電極に比べサイクル寿命が大幅に向
上することがわかる。
また、同様にしてMmNi5をベースとし含有す
る元素を種々変化させた合金を負極に用いた電池
を作製し、その電池の放電容量を測定した。この
結果を第2表に示す。[Table] From Table 1, based on MmNi 5 , Ti, V,
It can be seen that the hydrogen storage electrode equipped with an alloy containing Zr, Nb, Mo, Hf, and Ta has a significantly improved cycle life compared to the hydrogen storage electrode equipped with MmNi 5 as the hydrogen storage material. Similarly, batteries using MmNi 5 -based alloys containing various elements as negative electrodes were fabricated, and the discharge capacity of the batteries was measured. The results are shown in Table 2.
【表】
第2表からMmNi5をベースとしてSi,V,
Fe,Co,Zn及び、Mg,Ca,Sr,Baなどのアル
カリ土類金属を含有させた合金を備えた水素吸蔵
電極は、MmNi5を水素吸蔵材として備えた水素
吸蔵電極に比べ放電容量が増大することがわか
る。
また以下に示すようにMmNi5をベースとして
2種類以上の元素を含有させた合金を用いた場合
にもサイクル寿命及び放電容量が向上する。した
がつて、目的に応じて2種以上の元素を適宜含有
させることが可能である。
前述と同様にしてMm0.8Ti0.1Zr0,1Ni4,8Si0.2から
なる合金粉末を作製し、この合金を負極に使用し
て電池を組み立て、サイクル寿命及び放電容量を
測定した。この結果を第3表に示す。[Table] From Table 2, based on MmNi 5 , Si, V,
Hydrogen storage electrodes equipped with alloys containing Fe, Co, Zn, and alkaline earth metals such as Mg, Ca, Sr, and Ba have a lower discharge capacity than hydrogen storage electrodes equipped with MmNi 5 as the hydrogen storage material. It can be seen that it increases. Further, as shown below, when an alloy containing two or more types of elements based on MmNi 5 is used, the cycle life and discharge capacity are also improved. Therefore, it is possible to contain two or more elements as appropriate depending on the purpose. An alloy powder consisting of Mm 0.8 Ti 0.1 Zr 0,1 Ni 4,8 Si 0.2 was produced in the same manner as described above, a battery was assembled using this alloy as a negative electrode, and the cycle life and discharge capacity were measured. The results are shown in Table 3.
【表】
(ト) 発明の効果
本発明の水素吸蔵電極はミツシユメタル−ニツ
ケル合金にSi,Ti,V,Fe,Co,Zn,Y,Zr,
Nb,Mo,Hf,Ta及びアルカリ土類金属から選
ばれる少なくとも一種の元素を含有させたCaCu5
構造の結晶構造を有する合金を備えたものであ
り、サイクル特性の向上や水素吸蔵量の増大によ
る放電容量の増加により優れた性能の蓄電池を提
供することができ、その工業的価値は極めて大で
ある。[Table] (g) Effects of the invention The hydrogen storage electrode of the present invention is made of Mitsushi metal-nickel alloy with Si, Ti, V, Fe, Co, Zn, Y, Zr,
CaCu 5 containing at least one element selected from Nb, Mo, Hf, Ta and alkaline earth metals
It is equipped with an alloy that has a crystalline structure, and can provide storage batteries with excellent performance due to improved cycle characteristics and increased discharge capacity due to increased hydrogen storage capacity, and its industrial value is extremely large. be.
Claims (1)
V,Fe,Co,Zn,Y,Zr,Nb,Mo,Hf,Ta
及びアルカリ土類金属から選ばれる少なくとも一
種の元素を含有させたCaCu5構造の結晶構造を有
する合金を備えたことを特徴とする水素吸蔵電
極。1 Mitsushi Metal - Nickel alloy with Si, Ti,
V, Fe, Co, Zn, Y, Zr, Nb, Mo, Hf, Ta
1. A hydrogen storage electrode comprising an alloy having a crystal structure of CaCu 5 structure and containing at least one element selected from alkaline earth metals.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60007741A JPS61168871A (en) | 1985-01-19 | 1985-01-19 | Hydrogen occlusion electrode |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60007741A JPS61168871A (en) | 1985-01-19 | 1985-01-19 | Hydrogen occlusion electrode |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61168871A JPS61168871A (en) | 1986-07-30 |
JPH0586622B2 true JPH0586622B2 (en) | 1993-12-13 |
Family
ID=11674125
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60007741A Granted JPS61168871A (en) | 1985-01-19 | 1985-01-19 | Hydrogen occlusion electrode |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61168871A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0642368B2 (en) * | 1985-10-01 | 1994-06-01 | 松下電器産業株式会社 | Alkaline storage battery |
JP2926734B2 (en) * | 1989-02-23 | 1999-07-28 | 松下電器産業株式会社 | Alkaline storage battery using hydrogen storage alloy |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5145234A (en) * | 1974-08-19 | 1976-04-17 | Philips Nv | |
JPS53111439A (en) * | 1977-03-03 | 1978-09-29 | Philips Nv | Rechargeable electrochemical battery enclosed from outer atmosphere and method of manufacturing same |
JPS5942233A (en) * | 1982-05-05 | 1984-03-08 | レスリ−・ハ−トリツジ・リミテツド | Machine tool |
JPS59181459A (en) * | 1983-03-31 | 1984-10-15 | Toshiba Corp | Metal oxide hydrogen battery |
US4487817A (en) * | 1983-10-21 | 1984-12-11 | Willems Johannes J G S A | Electrochemical cell comprising stable hydride-forming material |
JPS60250558A (en) * | 1984-05-25 | 1985-12-11 | Matsushita Electric Ind Co Ltd | Enclosed type alkaline storage battery |
JPS6116471A (en) * | 1984-07-02 | 1986-01-24 | Sanyo Electric Co Ltd | Hydrogen occluding electrode |
JPS6119062A (en) * | 1984-07-04 | 1986-01-27 | Sanyo Electric Co Ltd | Hydrogen occlusion electrode |
JPS6191863A (en) * | 1984-10-11 | 1986-05-09 | Matsushita Electric Ind Co Ltd | Sealed alkaline storage battery |
JPS6193556A (en) * | 1984-10-12 | 1986-05-12 | Asahi Glass Co Ltd | Electrode for battery |
-
1985
- 1985-01-19 JP JP60007741A patent/JPS61168871A/en active Granted
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5145234A (en) * | 1974-08-19 | 1976-04-17 | Philips Nv | |
JPS53111439A (en) * | 1977-03-03 | 1978-09-29 | Philips Nv | Rechargeable electrochemical battery enclosed from outer atmosphere and method of manufacturing same |
JPS5942233A (en) * | 1982-05-05 | 1984-03-08 | レスリ−・ハ−トリツジ・リミテツド | Machine tool |
JPS59181459A (en) * | 1983-03-31 | 1984-10-15 | Toshiba Corp | Metal oxide hydrogen battery |
US4487817A (en) * | 1983-10-21 | 1984-12-11 | Willems Johannes J G S A | Electrochemical cell comprising stable hydride-forming material |
JPS6089066A (en) * | 1983-10-21 | 1985-05-18 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | Electrochemical cell |
JPS60250558A (en) * | 1984-05-25 | 1985-12-11 | Matsushita Electric Ind Co Ltd | Enclosed type alkaline storage battery |
JPS6116471A (en) * | 1984-07-02 | 1986-01-24 | Sanyo Electric Co Ltd | Hydrogen occluding electrode |
JPS6119062A (en) * | 1984-07-04 | 1986-01-27 | Sanyo Electric Co Ltd | Hydrogen occlusion electrode |
JPS6191863A (en) * | 1984-10-11 | 1986-05-09 | Matsushita Electric Ind Co Ltd | Sealed alkaline storage battery |
JPS6193556A (en) * | 1984-10-12 | 1986-05-12 | Asahi Glass Co Ltd | Electrode for battery |
Also Published As
Publication number | Publication date |
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JPS61168871A (en) | 1986-07-30 |
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