Matches 151 - 200 out of 239 < 1 2 3 4 5 >
Match Document Document Title
5449567 Rechargeable battery  
A rechargeable battery includes a hollow battery housing having a top end provided with a positive battery terminal, a bottom end provided with a negative battery terminal, and a surrounding wall...
5441824 Quasi-bipolar battery requiring no casing  
A quasi-bipolar battery is disclosed which has no casing, making it especially suitable for high-voltage, high-current applications where battery weight and cost are considerations. The...
5427875 Non-aqueous electrolyte secondary cell  
A non-aqueous liquid electrolyte secondary cell, in which Li x MO 2 , where M is at least one transition metal, preferably at least one of Co and Ni , with 0.05≤X≤1.10, and in which charging...
5418083 Battery with rust preventive structure  
A battery having a rust-preventive structure includes a battery cell, the side-wall and an outer peripheral region of the safety valve end of which are covered with heat-shrink tubing. A sealing...
5418082 Sealed battery with current cut off means  
A sealed battery including a safety valve made of a metal plate which can be deformed by the increase of the inner pressure of the battery, and current cutting-off means which is actuated by the...
5352545 Battery containing foam polyurethane resin and method of making  
A sealed lead acid battery including a container; a cover connected to the container; a plurality of plate groups disposed in the container, each of the plate groups comprising a plurality of pairs...
5328778 Metal-air cells comprising collapsible foam members and means for minimizing internal pressure buildup  
This invention provides a prismatic zinc-air cell including, in general, a prismatic container having therein an air cathode, a separator and a zinc anode. The container has one or more oxygen...
5298344 Device for exhausting the fumes forming inside accumulation batteries  
The invention discloses a device for exhausting fumes formed inside accumulators. A chamber formed in the lid of the accumulator communicates with exhaust ducts connected with one another and the...
5270133 Caseless battery  
A battery is prepared by dipping battery elements (which may be surrounded by a thin, lightweight material, such as a plastic bag) into a liquid encapsulating, acid-resistant liquid material such...
5264301 Metal oxide-hydrogen battery incorporating a mechanism for maintaining a constant pressure in the battery  
A metal oxide-hydrogen battery incorporating a system for maintaining a substantial uniform range of pressure of hydrogen gas in the battery. The battery includes an outer pressure vessel and a...
5215835 Metal oxide-hydrogen battery having an outer safety shell  
A metal oxide-hydrogen battery having an outer safety shell. The battery to be used in a confined area such as in an aircraft or manned spacecraft, and includes a pressure vessel that contains at...
5178973 Battery having improved explosion attenuation material  
A fibrous material is inserted into the head space above the cells in a storage battery to attenuate the explosion of combustible gases accumulating therein. The attenuation material preferably...
5173374 Explosion attenuation system and method for assembly in battery  
An electric storage battery according to the invention has a porous explosion attenuating material disposed within a head space of the battery case over the electrode elements. The attenuating...
5171647 Hydrogen containment cover assembly for sealing the cell can of a rechargeable electrochemical hydrogen storage cell  
A resealable, ventable hydrogen impermeable cover assembly for sealing a rechargeable, metal hydride hydrogen storage alloy electrochemical cell. The cover assembly includes, inter alia, a...
5168016 Zinc-halogen secondary battery with feature of enhanced charge efficiency  
A zinc-halogen secondary battery has a filter filled with zinc particles and is disposed with a manifold for filling with an electrolyte. The filter is connected to an exhaust pump. The exhaust...
5156930 Battery equipped with opening-sealing device  
A battery equipped with an opening-sealing device for sealing an opening of a battery case. The opening-sealing device has a dish-like sealing plate having a downwardly protruding portion with a...
5128600 Method for removing excess electrolyte from a nickel-cadmium cell  
Excess electrolyte fluid from a nickel cadmium battery cell is removed by a method in which the battery cells are overcharged to generate oxygen pressure which acts to force the excess fluid out of...
5128217 Reduced maintenance nickel-cadmium storage cell  
A reduced maintenance, vented nickel-cadmium storage cell comprising a set of positive electrodes, a set of negative electrodes in which the active mass is consolidated by a polymer, and separators...
5085951 Vented battery  
A vented battery includes an aperture 108 in the battery housing 104 for venting built up gases inside of the vented battery 104. The aperture 108 is covered with a sintered metal vent 204. The...
5045085 Battery explosion attenuation material and method  
A porous compressible plastic material is inserted into the head space above the cells in a storage battery to attenuate the explosion of combustible gases accumulating therein. The attenuation...
5041345 Secondary seal for vented electrochemical cells  
An electrochemical cell having a temperature-activated vent in series with a pressure-activated vent. The inner cover of the inner cell housing has an upstanding rim around a central pressure...
5004129 Self-venting container  
A self-venting container includes a top section and a bottom section. The top and bottom sections have adjoining side walls. The side walls are formed of a material which exhibits an elongation...
5001022 Lead-acid storage battery and related method of construction  
A lead acid cell having unitized positive and negative electrodes positioned within a container such that the respective edges of the positive electrode are spaced apart from the edges of negative...
4943497 Cell having current cutoff valve  
A cell having an explosion proof valve is disclosed, in which the valve is deformable upon increase of inner pressure of the cell to cut a connection lead which connects the valve with a generator...
4931368 Vent liner and cover construction for galvanic cells  
An electrochemical cell having a cell housing that contains the active components of the cell; the cell housing having a vent liner containment section that comprises a sealing well having a bottom...
4891270 Pressure release system for electric storage batteries  
A multi-cell, lead-acid electric storage battery of the wet or absorbed electrolyte type is provided. The battery comprises one or more manifolding apertures in one or more partition walls, which...
4885218 Battery exhaust gas plug filter and process for manufacturing the same  
A battery exhaust gas plug filter is disclosed in which surfaces of pores of an inorganic porous substance composing the filter are coated with a silane or titanium coupling agent inner film before...
4758482 Enclosed type lead batteries and method for producing the same  
An enclosed type lead battery comprises in combination: a cap formed of a synthetic resin, which is integrally formed with anodec and cathodec terminals formed of lead or a lead alloy inserted...
4751155 Method and apparatus for the preparation and installation of battery explosion attenuation material  
Porous compressible plastic material, effective in attenuating the explosion of combustible gases which accumulate in the head space of a storage battery, is prepared for installation by...
4698282 Safety vent device for electrochemical cells  
The present invention relates to a venting device for a sealed container, and more particularly to a safety venting device for a Lithium cell. The venting device is located on one of the two ends...
4678725 Hermetically sealed storage battery  
A hermetically sealed storage battery has a group of plates sheathed with a housing which is constituted by a synthetic resin film or sheet that is resistant to the electrolyte and is...
4636445 Metal/hydrogen alkaline storage battery  
The present invention is directed to a metal/hydrogen alkaline storage battery, which comprises a positive electrode of a metal oxide, a negative electrode of a hydrogen-storage alloy, and a...
4628012 Explosion-proof, hermetically sealed galvanic cell  
In a hermetically sealed cell, the housing is formed by two metal cylinders which are each closed at one end and which are pushed over one another to obtain a press-fit such that, with the...
4618544 Explosion proof battery  
An improved explosion proof battery wherein the improvement comprises the separation of the gas flows in and out of each chamber from each other and the provision of check valves to each...
4613550 Venting system for electric storage batteries  
A multi-cell, lead-acid electric storage battery of the wet or absorbed electrolyte type is provided. The battery comprises one or more manifolding apertures in one or more partition walls, which...
4601959 Vent construction for batteries  
In a preferably cylindrical sheet metal casing to be hermetically sealed and having a thinwall portion, the improvement in a vent for the casing which ruptures when internal casing pressure exceeds...
4592970 Electrochemical cell having a safety vent closure  
A non-resealable vent closure for galvanic cells, such as nonaqueous cells, which comprises a member force-fitted within a liner disposed adjacent the wall defining an orifice and wherein a sealant...
4572877 Hermetic seal for an electrochemical cell  
The housing of an electrochemical cell system has a vent passageway defined by a flared flange. The flange is flared outwardly with respect to the longitudinal axis of the passageway so that the...
4567118 Cell vent  
An electrochemical cell particularly of small dimensions having a vent which comprises a hot melt adhesive or other extrudible leak resistant material sealed to and substantially surrounding that...
4562123 Liquid fuel cell  
In a liquid fuel cell including a plurality of series-connected unit cells each including a fuel electrode and an oxidizer electrode disposed opposite to each other with an electrolyte layer being...
4517262 Vent for a storage battery  
A vent cap for enclosing filler openings of a storage battery comprises a base terminating at a rim including a generally U-shaped channel and a cover, the periphery of which engages the channel of...
4517261 Hydrogen gas relief valve  
An improved battery stack design for an electrochemical system having at least one cell from which a gas is generated and an electrolyte in communication with the cell is described. The improved...
4483908 Intumescent material-coated galvanic cells  
A galvanic cell characterized in that at least a portion of the exterior of the cell's housing is encased within an intumescent material.
4482613 Cell with safe venting electrolyte  
The safety of a non-pressurized electrochemical cell such as a Li/MnO 2 cell, having a safety pressure vent and an organic electrolyte solvent is enhanced by, in conjunction with said vent,...
4439500 Gas switch  
The disclosure depicts a novel gas switch comprising a membrane having at least one passageway separating a first gas containing region from a second gas containing region. The gas switch also...
4437231 Method of making an electrochemical cell having a safety vent closure  
A safety blow-out vent closure for galvanic cells, such as nonaqueous oxyhalide cells, which comprises the employment of a conductive tubular member secured to the cell's housing and surrounding a...
4436795 Alkaline electric storage cells  
An alkaline electric storage cell comprises a container within which are positive and negative pocket plates separated by composite separators. Each separator has a lower portion which is of...
4431716 Heat activated vent  
A heat activated vent for releasing an excess internal pressure in a container which pressure is accompanied by an abnormal rise in an internal temperature of the container uses a spring to store...
4430392 Heat activated vent  
The heat activated vent for releasing an excess internal pressure in a container which pressure accompanied by an abnormal rise in an internal temperature of the container uses a spring to store...
4425412 Lead/acid battery having horizontal plates  
Disclosed are maintenance-free cells and batteries of the lead/acid type which have improved deep cycle life. The plates are flat and are oriented horizontally as a stack in a cell which contains...
Matches 151 - 200 out of 239 < 1 2 3 4 5 >