Matches 351 - 400 out of 416 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
4006034 Method of preparing an electrochemical cell in uncharged state  
A secondary electrochemical cell is assembled in an uncharged state for the preparation of a lithium alloy-transition metal sulfide cell. The negative electrode includes a material such as aluminum...
4004943 Rechargeable electrochemical cell  
Rechargeable electrochemical cell an electrode of which consists of a lanthanum nickel compound while the counterelectrode consists of a material which is capable of reversibly taking up and giving...
4003754 Hermetic alkaline storage battery  
Alkaline storage battery cells having negative electrodes with higher capacity than the positive electrodes. The positive electrodes have discharge limiting capacity. The negative electrodes have...
3992222 Metallic sulfide additives for positive electrode material within a secondary electrochemical cell  
An improved active material for use within the positive electrode of a secondary electrochemical cell includes a mixture of iron disulfide and a sulfide of a polyvalent metal. Various metal...
3980495 Calcium alloy as active material in secondary electrochemical cell  
Calcium alloys such as calcium-aluminum and calcium-silicon, are employed as active material within a rechargeable negative electrode of an electrochemical cell. Such cells can use a molten salt...
3966493 Rechargeable mercury electrode  
A rechargeable mercury/mercury oxide electrode having a high capacity, especially for primary cells and accumulators, which has a metal matrix with a non-pyrophoric amalgam. The electrode is...
3961987 Electro-catalyst and process of manufacture  
The invention relates to an electrocatalyst capable of being used, in particular, in anodes of fuel cells with acid electrolyte, and to a process for the manufacture of this electrocatalyst. The...
3959012 Composite cathode materials for solid state batteries  
A solid electrolyte cell is disclosed containing a lithium anode, a solid electrolyte of the lithium halide type and a cathode-active material consisting of a metal halide and a metal chalcogenide,...
3953235 Nonaqueous cell having an electrolyte containing crotonitrile  
A nonaqueous cell utilizing a highly active metal anode, such as lithium, a solid cathode, such as (CF x ) n , copper sulfide or the like, and a liquid organic electrolyte consisting essentially of...
3947292 Preparation of an alkaline iron electrode material using sulfur acids  
A negative electrode plate, for a battery containing at least one positive and one negative electrode plate, with alkaline electrolyte contacting the plates, is made by reacting iron oxides...
3947291 Electrochemical cell assembled in discharged state  
A secondary, electrochemical cell is assembled in a completely discharged state within a sealed containment. As assembled, the cell includes a positive electrode separated from a negative electrode...
3944435 Bonded component assembly for flat cells and method therefor  
A bonded component assembly and method for producing it, comprising an anode, a cathode and a plasticizable screen disposed between and adhesively securing said anode to said cathode in a fixed...
3941612 Cathode composition for electrochemical cell  
A high-temperature, secondary electrochemical cell includes a negative electrode containing an alkali metal such as lithium, an electrolyte of molten salt containing ions of that alkali metal and a...
3939008 Use of perovskites and perovskite-related compounds as battery cathodes  
A novel battery is disclosed in which the cathode active material is an oxide having a perovskite or perovskite related structure and the general formula ABO 3 , wherein A is an element selected...
3933521 Anode for a secondary, high-temperature electrochemical cell  
A high-temperature, secondary electrochemical cell includes an anode containing lithium, an electrolyte containing lithium ions and a cathode containing a chalcogen material such as sulfur or a...
3933520 Method of preparing electrodes with porous current collector structures and solid reactants for secondary electrochemical cells  
Particulate electrode reactants, for instance transition metal sulfides for the positive electrodes and lithium alloys for the negative electrodes, are vibratorily compacted into porous,...
3925100 Metal/air cells and air cathodes for use therein  
An air cathode for use in metal/air cells comprising a hydrophobic layer laminated to hydrophilic layer wherein the hydrophilic layer comprises a metal current collector integrally molded into a...
3925101 Electric primary cell in which the positive active material is silver chromate  
The invention relates to alkaline metal (e.g. Li) and silver chromate primary cells. It provides for use as a material for the positive casing of such a primary cell, stainless steel containing at...
3920477 Compact battery  
A thin, flat battery containing at least two galvanic cells, the cells being disposed in monoplanar configuration and the battery comprising at least one flat conductive plate which contacts the...
3907597 Nonaqueous cell having an electrolyte containing sulfolane or an alkyl-substituted derivative thereof  
A nonaqueous cell utilizing a highly active metal anode, such as lithium, a solid cathode such as (CF x ) n , copper sulfide or the like, and a liquid organic electrolyte consisting essentially of...
3907589 Cathode for a secondary electrochemical cell  
An electrochemical cell is disclosed which comprises an alkali metal anode, a molten salt electrolyte including that alkali metal in ionic form, and an improved cathode. The cathode composition...
3907596 Sea water battery  
A novel battery using sea water as an electrolyte generates power from the galvanic corrosion of a cathode material.
3905835 Alkali button battery  
An alkali button battery comprising a highly alkaline electrolyte and wherein a gold or gold alloy coating is formed on at least part of the terminal surface of its positive and/or negative...
3904432 Metal permanganate and metal periodate organic electrolyte cells  
A cathodic active material is described utilizing the permanganates and periodates of heavy metals and preferably of silver. These materials are particularly suitable for use as positive electrodes...
3899356 Porous electrode for a fuel cell and method of making same  
A porous electrode for a fuel cell comprising a catalytic layer comprised a mixture of active carbon and teflon, a stop layer comprised of teflon deposited on the catalytic layer, and current...
3899355 Battery assembly  
A relatively thin, flat or planar battery is disclosed which includes one or more cells in series relationship each comprising a planar anode in superposed relationship with a planar cathode and a...
3895961 Electrodeposition of iron active mass  
Iron battery active mass is made by electrodepositing hydroxide on a cathode at a cathode current density of about 10 to about 100 mA/cm 2 , from an aqueous electrolyte having a pH of about 0.5 to...
3853631 METHOD FOR INCREASING ACTIVITY OF CARBON ELECTRODES FOR ELECTROCHEMICAL CELLS WITH ACID ELECTROLYTE AND PRODUCT THEREOF  
An oxygen electrode with activated carbon as the catalyst material for electrochemical cells with an acid electrolyte, wherein the carbon is doped with a metal salt prior to being treated with an...
3853624 HIGH ENERGY DENSITY IRON-NICKEL BATTERY  
An iron-nickel storage battery, consisting of at least one negative electrode plate and at least one positive electrode plate housed in a case containing an alkaline electrolyte is made by (1)...
3849198 IRON ELECTRODE PASTE FOR ALKALINE BATTERY PLATES  
A battery negative electrode plate is made by loading a metallic electrode plaque with an active material paste having a solid component comprising about 70-100 weight percent iron particles over...
3847603 PROCESS FOR PREPARING A SINTERED IRON NEGATIVE PLATE FOR AN ALKALINE STORAGE BATTERY  
Needle-shaped oxygen-containing iron compound particles are heated in a first temperature range in a hydrogen atmosphere to produce a loosely tied sintered body, pulverized into finely divided...
3836397 IRON ELECTRODE FOR ALKALINE CELLS  
A battery is made containing at least one positive and one negative electrode plate with electrolyte contacting the plates, the negative electrode plate containing an active material comprising...
3819413 RECHARGEABLE METAL ELECTRODE FOR STORAGE BATTERIES AND METAL-AIR CELLS  
A rechargeable metal electrode for storage batteries and metal-air cells comprising active electrode material and a framework of substantially parallel fibers of electrically conductive material...
3773558 ELECTRIC ACCUMULATOR WITH BETA ALUMINA SEPARATOR AND ELECTROLYTE CONSISTING OF A SALT IN AN ORGANIC SOLVENT  
The housing of an accumulator cell is divided into an anode compartment and a cathode compartment by a fluidtight separator of beta alumina permselective to ions from an anode which includes a...
3753782 ELECTRODE FOR ELECTROCHEMICAL REDUCTION OF OXYGEN AND PROCESS FOR ITS PRODUCTION  
An electrode for electrochemical reduction of oxygen in an alkaline electrolyte and a process for the production of such electrode, comprising moulding a powder mixture containing as catalyst...
3673116 RANEY MIXED CATALYST  
A Raney mixed catalyst for use as a fuel cell electrode. The catalyst contains nickel, iron and one of the metals titanium or zirconium. The catalyst is prepared from a Raney alloy, which contains...
3632444 GRAPHITE ANODE TREATMENT  
An iron impregnated graphite electrode is prepared by treating graphite with a liquid metal such as iron or a mixture of iron with carbon and/or silicon.
3620843 RECHARGEABLE CELL HAVING MOVING TAPE AND ROTATING ELECTRODES  
An electrically rechargeable cell comprising, in a charged state, an anode comprising a long steel tape coated on both sides with zinc forming the active surfaces, an aqueous electrolyte of...
3568140 UNDERWATER ELECTRICAL POWER SOURCE AND SONIC BEACON  
The specification discloses an underwater sonic beacon for marking the location of metallic structures such as underwater wellheads. The sonic beacon is powered by a galvanic cell formed by the...
3551209 FORMATION OF SKELETAL METAL SOLID ELECTROLYTE FUEL CELL ELECTRODES  
3507696 BATTERY WITH AN IRON ELECTRODE HAVING A FUSED COATING  
3484291 GAS DEPRESSOR ADDITIVES FOR IRON ELECTRODES  
3477876 GALVANIC CELL EMPLOYING IRON CATHODE AND METHOD OF PRODUCING GALVANIC CATHODE HAVING ACTIVATED IRON SURFACE  
3386858 Method and means for producing electrical energy utilizing a bacterial organism  
3321286 Sintered fuel cell electrodes of metal and activated carbon  
3248214 Method of producing catalytic electrodes  
3228799 Biological electrical power generation  
3132053 Galvanic primary and secondary element or cell with three electrodes  
3099586 Storage battery electrodes and method of making the same  
3066178 Alkaline storage battery having superactivated electrodes and method of superactivating the electrode materials  
Matches 351 - 400 out of 416 < 1 2 3 4 5 6 7 8 9 >