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Patent Searching and Data


Matches 701 - 750 out of 2,698

Document Document Title
WO/2000/063985
The present invention relates to a third electrode (104) for use in a metal-air tricell (100, 200) comprising a support structure coated with a layer of a lanthanum nickel compound/at least one metal mixture, wherein the mixture is adher...  
WO/2000/059052
An electrochemical separator is formed in situ on an electrode surface within an electrochemical cell, preferably an alkaline cell cathode surface. The alkaline cell (100) comprises a zinc anode (215), and potassium hydroxide electrolyte...  
WO/2000/055934
A metal-air fuel cell battery (FCB) system having an electrolyte, and a movable anode having anode material deposited on two sides of an electrically conductive substrate, which can be either a rotating anode disk, or a linearly-movable ...  
WO/2000/054360
An electrochemical cell is disclosed including a cell housing, an ion-permeable, oxygen transmission restricting membrane that divides the interior of the cell housing into a first portion exposed to ambient air and a substantially air-t...  
WO/2000/051198
A highly conductive polymer based solid gel membrane is disclosed. The membrane is especially well-suited for use in such electrochemical devices as metal/air, Zn/MnO2, Ni/Cd and hydrogen fuel cells, as well as in electrochromic devices ...  
WO/2000/044057
An air cathode (10) for use in an electrochemical cell or battery having an air permeable and water impermeable layer (12), an electrically conductive middle layer (18) and a catalytic layer (22) comprising a mixture of carbon particles,...  
WO/2000/041264
The invention relates to a metal-air electrochemical cell which exhibits good discharge performance under relatively high temperature, high humidity conditions. The cell has improved discharge performance at a temperature between about 2...  
WO/2000/039863
A sealing member for an electrochemical cell is formed of a high impact modified styrenic polymer blend which may include a styrenic polymer and an impact modifying agent which increases the toughness of the styrenic polymer. The styreni...  
WO/2000/038266
A cylindrical metal-air cell has a cylindrical housing, an axially extending cylindrical air cathode adjacent an interior surface of the housing, and a plurality of elongate plenums defined between the oxygen electrode and the interior s...  
WO/2000/038268
A metal-air cell having a cell casing, an air electrode positioned within the cell casing, and means for providing air to the air electrode when a predetermined load is placed on the cell and for substantially isolating the air electrode...  
WO/2000/038267
The metal-air battery includes an air mover mechanism located in the cathode plenum space of one or more metal-air cells. The air mover is an enclosure isolating the air cathode, with a mechanism for expanding and contracting the volume ...  
WO/2000/036689
A prism shaped battery cell has at least two casing elements. The casing elements are mutually engageable and are assembled by bending or crimping a portion of one casing element at least partially around a second casing element. The sha...  
WO/2000/036676
An air electrode for electrochemical cells provides high current capability over prior art cathodes. The electrode has an active layer of a carbon matrix with an oxygen reduction catalyst and a fluoropolymer binder. An embedded current c...  
WO/2000/036677
An air electrode for electrochemical cells provides high current capability over prior art cathodes. The electrode has an active layer of a carbon matrix with an oxygen reduction catalyst and a fluoropolymer binder. An embedded current c...  
WO/2000/036696
Air managers for metal-air batteries are described, utilizing a diaphragm or bellows to move air in and out of one or more air openings or to move air from an inlet to an outlet. The diaphragm or bellows may be reciprocated by a linear a...  
WO/2000/036687
A carbon dioxide scrubber is added to a diffuser in a metal-air battery cell to improve the performance of the cell. The diffuser is located near the air-entry apertures of the cell, either on the inside or outside of the cell.  
WO/2000/036686
Alumina is added to the combined anode/electrolyte in a metal-alkaline battery cell such as a zinc-air battery. The resulting battery cell exhibits improved energy capacity. Preferably, the alumina is added in a concentration of about 1 ...  
WO/2000/036690
A high capacity primary (single-use; non-rechargeable) battery pack for high current portable appliances such as cellular phones employs electrochemical cells that use ambient oxygen for one of the electrodes. The pack makes possible a s...  
WO/2000/036668
A leak proof, metal-air battery cell having features for the prevention of electrolyte leakage through gaps between the casing elements of the battery cell and through openings formed on the battery cell. By forming the casing elements a...  
WO/2000/036688
A packaging for metal-air batteries and devices with metal-air batteries. The packaging substantially restricts the ingress of oxygen into the packaging, as well as other undesirable elements such as water, dirt and carbon dioxide. The p...  
WO/2000/036698
An improved metal-air battery having a metal-air cell stack positioned within a substantially uniform shell. The metal-air cell stack includes an isolating passageway.  
WO/2000/036695
A ventilation system for a metal-air battery is disclosed. The metal-air battery has one or more air cathodes, one or more air pathways from the air cathode to a reactive gas source, a closure member associated with each of the air pathw...  
WO/2000/036692
A high capacity primary (single-use; non-rechargeable) battery pack for high current portable appliances such as cellular phones employs electrochemical cells that use ambient oxygen for one of the electrodes. The pack makes possible a s...  
WO/2000/036691
A high capacity primary (single-use; non-rechargeable) battery pack for high current portable appliances such as cellular phones employs electrochemical cells that use ambient oxygen for one of the electrodes. The pack makes possible a s...  
WO/2000/036669
A dual configuration housing for metal-air batteries. The housing expands to increase the exchange of gas between the metal-air batteries and an outside thereof when an electronic device connected to the housing performs a relatively hig...  
WO/2000/036697
An air manager for one or more metal-air cells. The air manager includes a diffusion pathway and an air movement device positioned within the diffusion pathway.  
WO/2000/036685
Particle-size-selected metal is mixed with an electrolyte and used as a combined anode/electrolyte in a metal-alkaline battery cell. The particles in the particle-size-selected metal are selected so that substantially all of the particle...  
WO/2000/036693
A leak-proof, prism-shaped, metal-air battery cell made from at least two mutually engaging casing elements to form a prism shaped structure. The casing elements are engaged to create a stress-generated seal between the casing elements t...  
WO/2000/036699
An air-managing system for metal-air battery includes resealable septum and one or more hollow needles. The septum separates air pathway into two segments. One segment is from air cathodes of the battery to the septum and the other is fr...  
WO/2000/036694
A ventilation system for metal-air battery cells having collapsible isolation passageways (26, 27) for controlling ambient airflow to the oxygen electrode of the metal-air battery. The ventilation system has at least one inlet isolation ...  
WO/2000/033411
Applying pressure to metal-air battery cells (such as zinc-air battery cells) results in a significant drop in the voltage delay effect. In addition, applying pressure to these cells also increases the output voltage. Pressure may be app...  
WO/2000/030204
There is provided a cylindrical metal-air cell, wherein a membrane, a metal anode and electrolyte are located within the cylindrical metal-air electrode interior. The air electrode consists of a catalytically active layer, a hydrophobic ...  
WO/2000/028612
A metal-air cell with an anode container. The anode container is made from a reactive metal. The metal-air cell also an absorbent layer with a first side and a second side. An electrolyte is substantially trapped within the absorbent lay...  
WO/2000/021147
An electrochemical radial cell engine comprising an engine block, a motor (15) supported by the engine block, at least one electrochemical reaction cell (14) including a rotatable enclosure containing a source of anode material, preferab...  
WO/2000/019553
Borides generally can produce a cell (10) with a high energy density. High power densities are also achievable using borides that are reasonably good conductors of electricity. High energy density may be achieved from high physical densi...  
WO/2000/016419
A bifunctional air electrode for a rechargeable metal-air cell is made with water soluble oxygen reduction and oxygen evolution catalyst precursors. The resulting air electrode exhibits greater power output than a conventional air electr...  
WO/2000/016422
A polymer-based electrolyte composition having excellent film-forming properties, flexibility, mechanical strength and high hydroxide conductivity is disclosed. The composition comprises an organic polymer having an alkyl quaternary ammo...  
WO/2000/015547
Metal-carbon composite powders and methods for producing metal-carbon composite powders. The powders have a well-controlled microstructure and morphology and preferably have a small average particle size. The method includes forming the ...  
WO/2000/012159
An electrochemical cell module (10) has an outer shell (14) of conductive material defining a cavity, and electrolytic membrane (20) located in the cavity, first (21) and second (23) pervious electrodes located on opposite sides of the m...  
WO/2000/011688
An electrode material suitable for high capacitance and large-current discharge and used for electric double layer capacitors and cells is characterized in that a very sharp pore size distribution is displayed in a mesopore region, and t...  
WO/2000/009610
Solid polymer membranes comprised of a high charge density sulfonated poly(phenylene oxide) blended with poly(vinylidene fluoride) in varied ratios have improved membrane characteristics. These membranes are inexpensive and possess very ...  
WO/2000/007276
A metal-air cell for powering electronic components in a hearing aid device. The metal-air cell has a flex circuit inside containing an anode mixture. The flex circuit comprises a flexible substrate having a cathode electrode area at one...  
WO/1999/063605
A galvanic cell (20), especially a miniature cell, comprises first and second electrodes (22, 26) of opposite polarity, a separator (28) and an electrolyte, contained in a two-part housing of a cup (1) and a can (24) sealed with an insul...  
WO/1999/060654
The present invention relates generally to the use of an oxygen concentrator to supply fairly high purity oxygen under pressure to a zinc/oxygen battery. The oxygen is supplied in a controlled manner.  
WO/1999/057775
A carbon based electrode for the electrochemical reduction of sulfur or oxygen, which comprises an electrode core and, in electrical contact therewith, a structure comprising a porous particulate activated carbon bonded with a polymeric ...  
WO/1999/056899
Porous metal-containing materials are provided for a variety of uses including filters, electrodes for batteries and fuel cells, light weight structural materials, heat exchangers and catalysts. A method is provided for making the porous...  
WO/1999/052170
A battery having a built-in controller that controls one or more functions of the battery is disclosed. The battery may, for example, control a charge or a discharge cycle of a battery, disconnect an electrochemical cell from the termina...  
WO/1999/044245
The present invention provides an ion conducting matrix comprising: (i) 5 to 60 % by volume of an inorganic powder having a good aqueous electrolyte absorption capacity; (ii) 5 to 50 % by volume of a polymeric binder that is chemically c...  
WO/1999/035704
A zinc alloy anode-based electrochemical cell, which generates gases and/or energy, is disclosed. The structure of the cell is such that a zinc alloy anode material (1) is the integral part of the housing and is in contact with an alkali...  
WO/1999/035703
A metal-air battery cell having a gas permeable electrode configured in use to have electrolyte in contact with a first surface and the atmosphere external to the battery in contact with a second surface, and a metal electrode located in...  

Matches 701 - 750 out of 2,698