CA2046148A1 - Cellules alcalines a peu pres exempte de mercure - Google Patents
Cellules alcalines a peu pres exempte de mercureInfo
- Publication number
- CA2046148A1 CA2046148A1 CA2046148A CA2046148A CA2046148A1 CA 2046148 A1 CA2046148 A1 CA 2046148A1 CA 2046148 A CA2046148 A CA 2046148A CA 2046148 A CA2046148 A CA 2046148A CA 2046148 A1 CA2046148 A1 CA 2046148A1
- Authority
- CA
- Canada
- Prior art keywords
- mercury
- substantially free
- alkaline cells
- alkaline
- cells
- 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
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052753 mercury Inorganic materials 0.000 title abstract 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/04—Cells with aqueous electrolyte
-
- 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
- H01M4/244—Zinc electrodes
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/04—Cells with aqueous electrolyte
- H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Primary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56692590A | 1990-08-14 | 1990-08-14 | |
| US07/566,925 | 1990-08-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2046148A1 true CA2046148A1 (fr) | 1992-02-15 |
| CA2046148C CA2046148C (fr) | 1997-01-07 |
Family
ID=24264995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002046148A Expired - Lifetime CA2046148C (fr) | 1990-08-14 | 1991-07-03 | Cellules alcalines a peu pres exempte de mercure |
Country Status (8)
| Country | Link |
|---|---|
| US (3) | US5364715A (fr) |
| EP (2) | EP0845827A3 (fr) |
| JP (1) | JP2004031369A (fr) |
| KR (1) | KR100190542B1 (fr) |
| CA (1) | CA2046148C (fr) |
| DE (2) | DE69129483T2 (fr) |
| DK (1) | DK0474382T3 (fr) |
| SG (1) | SG67872A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5626988A (en) * | 1994-05-06 | 1997-05-06 | Battery Technologies Inc. | Sealed rechargeable cells containing mercury-free zinc anodes, and a method of manufacture |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2046148C (fr) * | 1990-08-14 | 1997-01-07 | Dale R. Getz | Cellules alcalines a peu pres exempte de mercure |
| JP3553104B2 (ja) * | 1992-08-04 | 2004-08-11 | 株式会社エスアイアイ・マイクロパーツ | アルカリ電池 |
| US5401590A (en) * | 1992-12-07 | 1995-03-28 | Duracell Inc. | Additives for electrochemical cells having zinc anodes |
| FR2742927B1 (fr) * | 1995-12-21 | 1998-03-06 | Leclanche Sa | Piles miniatures etanches alcalines sans mercure et methode de fabrication de ces piles |
| DE19615724A1 (de) * | 1996-04-20 | 1997-10-23 | Varta Batterie | Galvanische Zelle |
| WO1998028805A1 (fr) | 1996-12-23 | 1998-07-02 | Aer Energy Resources, Inc. | Anode en zinc exempte de mercure pour cellule electrochimique et son procede de fabrication |
| US5952124A (en) * | 1997-07-22 | 1999-09-14 | Kainthla; Ramesh C. | Rechargeable electrochemical cell with modified manganese oxide positive electrode |
| US6833217B2 (en) | 1997-12-31 | 2004-12-21 | Duracell Inc. | Battery cathode |
| USRE38518E1 (en) | 1998-08-21 | 2004-05-18 | Eveready Battery Company, Inc. | Battery constructions having increased internal volume for active components |
| US6265101B1 (en) | 1998-08-21 | 2001-07-24 | Eveready Battery Company, Inc. | Battery constructions having increased internal volume for active components |
| WO2000051197A1 (fr) | 1999-02-26 | 2000-08-31 | The Gillette Company | Batterie alcaline a performance elevee |
| US6483275B1 (en) | 1999-04-23 | 2002-11-19 | The Board Of Trustees Of The Univesity Of Illinois | Consumer battery having a built-in indicator |
| US6261717B1 (en) * | 1999-05-28 | 2001-07-17 | The Gillette Company | Battery having an electrode within another electrode |
| US6251539B1 (en) * | 1999-06-14 | 2001-06-26 | The Gillette Company | Alkaline cell with improved anode |
| US6447947B1 (en) | 1999-12-13 | 2002-09-10 | The Gillette Company | Zinc/air cell |
| US7238448B1 (en) | 2000-04-26 | 2007-07-03 | The Gillette Company | Cathode for air assisted battery |
| US6602629B1 (en) | 2000-05-24 | 2003-08-05 | Eveready Battery Company, Inc. | Zero mercury air cell |
| US6544686B1 (en) * | 2000-11-17 | 2003-04-08 | Electric Fuel Limited | Metal-alkaline battery cells with reduced corrosion rates |
| AU2002215148A1 (en) * | 2000-11-22 | 2002-06-03 | Electric Fuel (E.F.L.) Ltd. | Metal-alkaline battery cells with reduced corrosion rates |
| US6582851B2 (en) | 2001-04-19 | 2003-06-24 | Zinc Matrix Power, Inc. | Anode matrix |
| ATE509380T1 (de) * | 2001-05-24 | 2011-05-15 | Ray O Vac Corp | Ionenleitendes additiv für zinkanoden in alkalischen elektrochemischen zellen |
| WO2003071653A2 (fr) * | 2002-02-15 | 2003-08-28 | Eveready Battery Company, Inc. | Piles alcalines cylindriques a capacite de decharge accrue |
| US20040009398A1 (en) * | 2002-06-19 | 2004-01-15 | Dorfman Jay Robert | Zinc polymer thick film composition |
| US6721169B2 (en) * | 2002-06-19 | 2004-04-13 | Kemet Electronics Corporation | Electrolytic capacitor and separator papers therefor |
| JP2005276698A (ja) * | 2004-03-25 | 2005-10-06 | Matsushita Electric Ind Co Ltd | アルカリ電池 |
| JP4388426B2 (ja) * | 2004-06-30 | 2009-12-24 | パナソニック株式会社 | アルカリ乾電池 |
| WO2006045470A1 (fr) * | 2004-10-20 | 2006-05-04 | Umicore | Poudres de zinc allie pour piles alcalines a haute densite pycnometre |
| ES2229956B2 (es) * | 2004-10-26 | 2006-12-01 | Celaya Emparanza Y Galdos, S.A. (Cegasa) | Un elemento elecquimico y metodologia para la seleccion de alguno de sus componentes. |
| US20080280190A1 (en) * | 2005-10-20 | 2008-11-13 | Robert Brian Dopp | Electrochemical catalysts |
| US20070092784A1 (en) * | 2005-10-20 | 2007-04-26 | Dopp Robert B | Gas diffusion cathode using nanometer sized particles of transition metals for catalysis |
| US7563537B2 (en) * | 2005-11-30 | 2009-07-21 | Rovcal, Inc. | Ionically conductive clay additive for use in electrochemical cells |
| US7955755B2 (en) | 2006-03-31 | 2011-06-07 | Quantumsphere, Inc. | Compositions of nanometal particles containing a metal or alloy and platinum particles |
| US20070227300A1 (en) * | 2006-03-31 | 2007-10-04 | Quantumsphere, Inc. | Compositions of nanometal particles containing a metal or alloy and platinum particles for use in fuel cells |
| US20080096074A1 (en) * | 2006-10-23 | 2008-04-24 | Eveready Battery Company, Inc. | Electrochemical air cell batteries with air flow channels |
| CN101026234A (zh) * | 2007-02-12 | 2007-08-29 | 范正刚 | 锌镍电池负极片 |
| JP4516092B2 (ja) * | 2007-05-10 | 2010-08-04 | パナソニック株式会社 | アルカリ乾電池 |
| CN101715609B (zh) | 2007-06-26 | 2013-01-09 | 科尔曼公司 | 使用多种电源的电器 |
| US20090176157A1 (en) * | 2007-12-27 | 2009-07-09 | Hidekatsu Izumi | Aa and aaa alkaline dry batteries |
| US20100047666A1 (en) * | 2008-08-25 | 2010-02-25 | Eveready Battery Company, Inc. | Electrochemical Cell with Shaped Catalytic Electrode Casing |
| WO2010107679A2 (fr) | 2009-03-16 | 2010-09-23 | Eveready Battery Company, Inc. | Batterie à consommation d'oxygène à capacité de régime élevé améliorée |
| JP2012528465A (ja) | 2009-05-29 | 2012-11-12 | エバレデイ バツテリ カンパニー インコーポレーテツド | 触媒電極のための集電体 |
| WO2016065230A1 (fr) | 2014-10-23 | 2016-04-28 | Energizer Brands, Llc | Composition pour anode en zinc |
| US10381643B2 (en) | 2014-10-08 | 2019-08-13 | Energizer Brands, Llc | Fluorosurfactant as a zinc corrosion inhibitor |
| US10205206B2 (en) | 2014-10-08 | 2019-02-12 | Energizer Brands, Llc | Zinc-air electrochemical cell |
| US10923760B2 (en) * | 2016-09-22 | 2021-02-16 | Grst International Limited | Electrode assemblies |
| US10263257B2 (en) * | 2016-09-22 | 2019-04-16 | Grst International Limited | Electrode assemblies |
| US11450847B2 (en) | 2019-01-23 | 2022-09-20 | Energizer Brands, Llc | Alkaline electrochemical cells comprising increased zinc oxide levels |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2903498A (en) * | 1957-11-25 | 1959-09-08 | Pertrix Union Gmbh | Primary dry cell |
| US3847669A (en) * | 1971-10-01 | 1974-11-12 | Union Carbide Corp | Reduced mercury containing zinc alkaline cells |
| JPS4877332A (fr) | 1972-01-19 | 1973-10-17 | ||
| US4195120A (en) * | 1978-11-03 | 1980-03-25 | P. R. Mallory & Co. Inc. | Hydrogen evolution inhibitors for cells having zinc anodes |
| US4369568A (en) * | 1981-02-09 | 1983-01-25 | Ray-O-Vac Corporation | Method for manufacturing cells utilizing centrifuging techniques |
| JPS5826456A (ja) * | 1981-08-11 | 1983-02-16 | Toho Aen Kk | 電極用亜鉛合金 |
| DE3311920A1 (de) * | 1983-03-31 | 1984-10-04 | Grillo-Werke Ag, 4100 Duisburg | Verfahren zur herstellung von zinkpulver fuer alkalische batterien (v) |
| JPS6043634A (ja) * | 1983-08-19 | 1985-03-08 | Seiko Epson Corp | 電気光学シャッタの製造方法 |
| DE3567130D1 (en) * | 1984-02-20 | 1989-02-02 | Matsushita Electric Industrial Co Ltd | Zinc alkaline battery |
| JPS60221957A (ja) * | 1984-03-22 | 1985-11-06 | Toshiba Battery Co Ltd | 水銀無添加アルカリ電池 |
| JPS60244292A (ja) * | 1984-05-18 | 1985-12-04 | Takeda Chem Ind Ltd | 抗生物質tan−585a,tan−585b,その製造法およびフレキシバクタ−属の新菌種 |
| FR2567328B1 (fr) * | 1984-07-04 | 1986-07-11 | Wonder | Procede de stabilisation des generateurs electrochimiques primaires a anodes reactives en zinc, aluminium ou magnesium et anode pour un tel generateur stabilisee par ce procede |
| BR8503252A (pt) * | 1984-07-09 | 1986-03-25 | Duracell Int | Pilha eletroquimica,processo para producao de pilha eletroquimica aquosa,e composicao de materia para uso na producao de anodo de pilha eletroquimica aquosa com fervura reduzida |
| JPS61116755A (ja) * | 1984-11-12 | 1986-06-04 | Mitsubishi Metal Corp | アルカリマンガン電池用亜鉛粉末及びアルカリマンガン電池 |
| JPS61131366A (ja) * | 1984-11-30 | 1986-06-19 | Fuji Elelctrochem Co Ltd | アルカリ電池用粒状亜鉛合金の処理方法 |
| IE57432B1 (en) * | 1985-02-12 | 1992-09-09 | Duracell Int | Cell corrosion reduction |
| JPS61203564A (ja) * | 1985-03-07 | 1986-09-09 | Toshiba Corp | アルカリ電池 |
| FR2583580B1 (fr) * | 1985-06-18 | 1987-08-07 | Wonder | Procede de stabilisation des generateurs electrochimiques primaires a anodes reactives en zinc, aluminium ou magnesium; anode stabilisee obtenue par ce procede et generateur comportant une telle anode |
| CA1267189A (fr) * | 1985-06-28 | 1990-03-27 | Jerrold Winger | Pile alcaline a electrode de zinc et additif reduit de mercure |
| JPH0719604B2 (ja) * | 1986-07-31 | 1995-03-06 | 富士電気化学株式会社 | アルカリ電池の製造方法 |
| EP0310023A3 (fr) * | 1987-10-02 | 1989-12-27 | Grillo-Werke Ag | Batteries à base de zinc a dissolution alcaline présentant une corrosion et un développement de gaz réduits |
| US4840644A (en) * | 1987-11-24 | 1989-06-20 | Duracell Inc. | Cell corrosion reduction |
| AU603936B2 (en) * | 1988-02-04 | 1990-11-29 | Chenault D. Lee | Disposable vaginal speculum |
| FR2634597B1 (fr) * | 1988-07-25 | 1995-07-21 | Cipel | Generateur electrochimique a electrolyte alcalin et a electrode negative de zinc |
| FR2634595B1 (fr) * | 1988-07-25 | 1995-07-28 | Cipel | Generateur electrochimique a electrolyte alcalin et a electrode negative de zinc |
| FR2634596B1 (fr) * | 1988-07-25 | 1990-10-26 | Cipel | Generateur electrochimique a electrolyte alcalin et a electrode negative de zinc |
| FR2634594B1 (fr) | 1988-07-25 | 1993-06-18 | Cipel Wonder | Generateur electrochimique a electrolyte alcalin et a electrode negative de zinc |
| US4857424A (en) * | 1988-10-11 | 1989-08-15 | Rayovac Corporation | Zinc alkaline electrochemical cells with reduced mercury anodes |
| US5112705A (en) * | 1989-08-17 | 1992-05-12 | Eveready Battery Company, Inc. | Coated anode current collector for alkaline cells |
| US4992343A (en) * | 1989-08-17 | 1991-02-12 | Eveready Battery Company, Inc. | Lead-containing anode current collector for alkaline cells |
| US5168018A (en) * | 1990-05-17 | 1992-12-01 | Matsushita Electric Industrial Co., Ltd. | Method of manufacturing zinc-alkaline batteries |
| CA2046148C (fr) * | 1990-08-14 | 1997-01-07 | Dale R. Getz | Cellules alcalines a peu pres exempte de mercure |
| JPH05132363A (ja) * | 1991-11-11 | 1993-05-28 | Shinko Electric Ind Co Ltd | ホウ化ジルコニウム焼結体及びその製造方法並びに回路基板及びその製造法 |
-
1991
- 1991-07-03 CA CA002046148A patent/CA2046148C/fr not_active Expired - Lifetime
- 1991-08-13 KR KR1019910013911A patent/KR100190542B1/ko not_active Expired - Lifetime
- 1991-08-14 DE DE69129483T patent/DE69129483T2/de not_active Revoked
- 1991-08-14 DK DK91307508T patent/DK0474382T3/da active
- 1991-08-14 SG SG1995001825A patent/SG67872A1/en unknown
- 1991-08-14 EP EP97119434A patent/EP0845827A3/fr not_active Ceased
- 1991-08-14 DE DE199191307508T patent/DE474382T1/de active Pending
- 1991-08-14 EP EP91307508A patent/EP0474382B1/fr not_active Revoked
-
1993
- 1993-06-24 US US08/082,147 patent/US5364715A/en not_active Expired - Lifetime
-
1994
- 1994-06-07 US US08/255,158 patent/US5395714A/en not_active Expired - Lifetime
- 1994-12-02 US US08/349,164 patent/US5464709A/en not_active Expired - Lifetime
-
2003
- 2003-10-17 JP JP2003358053A patent/JP2004031369A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5626988A (en) * | 1994-05-06 | 1997-05-06 | Battery Technologies Inc. | Sealed rechargeable cells containing mercury-free zinc anodes, and a method of manufacture |
Also Published As
| Publication number | Publication date |
|---|---|
| KR920005402A (ko) | 1992-03-28 |
| SG67872A1 (en) | 1999-10-19 |
| JP3498920B2 (ja) | 2004-02-23 |
| CA2046148C (fr) | 1997-01-07 |
| US5464709A (en) | 1995-11-07 |
| EP0845827A3 (fr) | 2002-06-19 |
| DE69129483T2 (de) | 1998-10-08 |
| EP0845827A2 (fr) | 1998-06-03 |
| DE474382T1 (de) | 1992-08-13 |
| US5364715A (en) | 1994-11-15 |
| JPH04351843A (ja) | 1992-12-07 |
| KR100190542B1 (ko) | 1999-06-01 |
| DK0474382T3 (da) | 1998-10-12 |
| HK1007094A1 (en) | 1999-04-01 |
| DE69129483D1 (de) | 1998-07-02 |
| EP0474382B1 (fr) | 1998-05-27 |
| US5395714A (en) | 1995-03-07 |
| EP0474382A1 (fr) | 1992-03-11 |
| JP2004031369A (ja) | 2004-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2046148A1 (fr) | Cellules alcalines a peu pres exempte de mercure | |
| IE43933L (en) | Zinc-air alkaline primary cell | |
| DE69910056D1 (de) | Alkalische batterie | |
| AU563065B2 (en) | Fuel cell generator | |
| AU545997B2 (en) | High temp solid electrolyte fuel cell | |
| AU558016B2 (en) | Sealing terminal into battery case | |
| AU555861B2 (en) | Storage stable zinc erythromycin containing low dielectric solvents | |
| AU3154493A (en) | Low mercury or mercury free alkaline manganese dioxide-zinc cell | |
| AU541635B2 (en) | Fuel cell stack | |
| CA2056127A1 (fr) | Accumulateur a electrolyte non aqueux | |
| JPS52111629A (en) | High discharge rate primary alkaline battery having silver layer coated silver oxide *2* silver oxide *1* depolarizer compound | |
| AU1684483A (en) | Low hydrogen overvoltage cathode | |
| AU548098B2 (en) | Alkaline cell | |
| AU550081B2 (en) | Anode gelling agent for alkaline cell | |
| HK15283A (en) | Method of precharging the negative electrode of a nickel-cadmium alkaline storage cell | |
| AU549790B2 (en) | Gelled anode cell | |
| AU8601582A (en) | Alkaline electric storage cells | |
| CA1026425A (fr) | Piles galvaniques alcalines au zinc avec inhibiteur de corrosion au cyanure et au mercure | |
| AU6992491A (en) | Charge device capable of lengthening a lifetime of a storage cell | |
| JPS5292337A (en) | Zinc electrode for alkaline storage battery | |
| JPS5772261A (en) | Button type alkaline battery | |
| ES8206924A1 (es) | Perfeccionamientos introducidos en los sistemas de encendidode emergencia | |
| AU6234380A (en) | Telephone system subscriber battery charging | |
| AU1785083A (en) | Cast-on battery terminal | |
| AU490938B2 (en) | Alkaline galvanic cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |