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7544439 |
Venting water-tight battery-operated devices
Water-tight battery powered appliances, for example personal care appliances such as razors and toothbrushes, are provided. The appliances include a housing having a seal that allows gases, e.g.,...
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7527891 |
Seal for an electrochemical cell
An electrochemical cell with a vent assembly that reliably prevents resealing of a vented seal member is provided. The vent assembly seals the end of a container that includes a first electrode, a...
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7527890 |
Sealed alkaline storage battery, electrode structure and charging method for the same, and charger for sealed alkaline storage battery
A sealed alkaline storage battery including a nickel electrode as a positive electrode, characterized by having the function of being capable of charge when the gas pressure in the battery and/or...
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7521148 |
Cap assembly and secondary battery utilizing the same
A secondary battery includes an electrode assembly realized by layering and/or winding an anode, a cathode, and a separator; a case having a space into which the electrode assembly is inserted; and...
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7378180 |
Air electrode batteries
A battery includes an air electrode and an air access passageway that is closed by a non-liquid valve actuable by differential pressure to provide an opening therein to admit air to the battery.
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7228875 |
Seal and bleed valve unit for electric batteries
Sealing and breathing valve assembly for accumulators comprising: at least one substantially tubular collar associated to the cover of said accumulator and suitable for connecting the external...
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7122270 |
Electrochemical cell having venting current collector and seal assembly
A low profile collector and seal assembly for sealing the open end of a container of an electrochemical cell and providing venting of pressurized gases. An electrochemical cell has a can with a...
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7101640 |
Screw-in vent plug for lead-acid batteries
A venting plug for a wet, lead-acid storage battery, a battery containing the same, a method of molding the venting plug body, and a mold for molding the venting plug body are disclosed. The...
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7074516 |
Vent for cylindrical electrochemical batteries
An electrochemical cell is presented having a gasket that is sealed against the container to prevent electrolyte leakage during normal operation. When the internal pressure of the cell reaches a...
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7007715 |
Pressure release valve
A shaft part is coaxially provided within a pressure release port provided in a sealing plate sealed to an opening portion of a case for a condenser or a battery, a valve body closely fitted and...
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6953637 |
Catalytic hydrogen vent filter for batteries
A selective gas permeable membrane allows hydrogen to vent from a battery while preventing other gases from entering the battery. The surface of the filter membrane also catalytically combusts...
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6949310 |
Leak proof pressure relief valve for secondary batteries
Secondary batteries are subjected to power cycling, and those which have a liquid electrolyte within the interior volume are equipped with a pressure relief valve. A void space over the liquid...
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6924059 |
Rechargeable lithium battery
A thin rechargeable lithium battery having a battery main body enclosed between sealing members (a) and (b), at least sealing member (a) having a concave portion that extends to either side from a...
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6855454 |
Electrochemical cell having venting current collector and seal assembly
A low profile collector and seal assembly for sealing the open end of a container of an electrochemical cell and providing venting of pressurized gases. An electrochemical cell has a can with a...
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6777128 |
Secondary battery and fabrication method thereof
A secondary battery and a fabrication method of the secondary battery includes a battery unit having a positive electrode plate, a negative electrode plate and a separator interposed there between,...
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6730430 |
Explosion-proof safety structure for column shape lithium battery
The present invention relates to an explosion-proof safety structure for column shape lithium battery, particularly relates to a safe and explosion-preventing structure which prevents the battery...
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6713208 |
Vent valve and a storage cell including it
A vent valve includes a vent cap closed by a cover plate with an orifice through it. The vent cap has a circular section and includes two diametrally opposed vent holes on its circumferential wall....
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6689506 |
Sealed alkaline storage battery with safety vent unit
The sealed alkaline storage battery is provided with a closing lid having a safety vent unit which closes a gas release hole in a sealing plate, and a positive electrode cap which houses the safety...
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6610438 |
Seal type storage battery
A seal type storage battery has a battery case which has a sealing assembly for sealing an opened portion of an outer case, which holds an electricity generating element. The sealing assembly...
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6596434 |
Cylindrical type alkaline storage battery
A cylindrical type alkaline storage battery includes a metallic case, a sealing plate for the metallic case, and a spiral-shaped group of electrodes. The group of electrodes includes a positive...
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6579640 |
Sealed rectangular battery and manufacturing method for the same
A sealed rectangular battery has a conductive battery case including an external casing and a sealing cap. The external casing encloses a generator element and is sealed by attaching the sealing...
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6528202 |
Safety vent device used in a battery module
A sealed rechargeable battery module wherein a safety vent device is provided to release the internal pressure of the battery when the pressure has reached a predetermined value. The safety vent...
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6509115 |
Secondary battery having cap assembly
A secondary battery having a cap assembly, including an electrode assembly; a case in which the electrode assembly is located; a cap assembly having a cap plate coupled to and hermetically sealing...
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6465122 |
Storage battery and method of fabricating the same
An electrode body in which current collecting bodies are welded to upper and lower end surfaces of a spiral electrode group formed by interposing a separator between a positive electrode plate and...
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6413666 |
Battery with a sheathing member to prevent leakage of electrolytic solution
A battery in which an electrolytic solution may be prevented from leakage. Within a battery case in the form of a bottomed tube, a positive electrode, a negative electrode and an electrolyte are...
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6376119 |
Plug system for capping cell vents in a storage battery and a battery cap for use in the plug system
This invention concerns a plug system for capping cell vents ( 26, 27 ) of a storage battery, consisting of a plug body ( 1 ) that can be inserted in a cell vent ( 26, 27 ), holding a plug ( 2 )...
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6338915 |
Hermetically sealed storage battery
A battery structure is arranged such that an elastic valve body or the like cannot easily come off from the cover body during the production of the battery, which thereby enhances the production...
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6326099 |
Impact modified polystyrene gaskets for electrochemical cells
A gasket for an electrochemical cell is formed of a styrenic polymer blend including a styrenic polymer and an impact modifying agent which increases the toughness of the styrenic polymer. The...
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6306537 |
Impact modified polystyrene seals for galvanic cells
A seal for a galvanic cell is formed of a styrenic polymer blend including a styrenic polymer and an impact modifying agent which increases the toughness of the styrenic polymer. The styrenic...
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6304430 |
Space saving mobile device
A mobile device (20) in which, in order to make the device thinner, at least one of the walls belonging to its structure (23, 26) has for a part of its area been made of thin plastic foil in order...
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6294283 |
Electrochemical cell having low profile seal assembly
An electrochemical cell constructed in accordance with the present invention includes a can for containing electrochemical materials including positive and negative electrodes and an electrolyte,...
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6294282 |
Two way battery vent cap using cup valves
A vent valve is capable of mechanical attachment to a lead acid battery through vent hole structure provided in the case cover. The vent valve is a molded hollow tubular housing having a cup...
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6274264 |
Cell current cutoff mechanism
In a current cutoff mechanism of a cell according to the present invention, a convex portion of the diaphragm is press-fitted into a fitted part, a conductive path is formed between a cell lid and...
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6274263 |
Semi-flooded lead acid battery cell
A lead acid storage battery cell having a sealed housing in which a positive electrode and a negative electrode are immersed in a liquid electrolyte. The negative electrode is partially exposed to...
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6261713 |
Delivery system for inorganic sunscreens
A novel delivery system for physical, inorganic sunscreens for use in sunscreen preparations is disclosed. One or more inorganic sunscreen agents, such as micronized zinc oxide and micronized...
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6242126 |
Explosion-proof seal plate for enclosed type cell and production method thereof
The present invention relates to an explosion-proof seal plate for a sealed cell and a production method thereof and aims at providing an explosion-proof seal plate and production method thereof,...
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6235419 |
Sealed storage battery
A sealed storage battery includes a battery case containing a group of electric power-generating elements each comprising a positive electrode, a negative electrode and a separator, a battery case...
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6210824 |
Current interrupt apparatus for electrochemical cells
End cap apparatus (2) is received in the open end of an electrochemical cell casing (6) and is particularly adapted to be crimped thereto electrically separated from the casing by a gasket (4). The...
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6146784 |
Vent plug having an integal seal
The present invention provides for a wet, multicell, lead-acid electric storage battery comprising a venting system having vent plugs comprising an inventive sealing arrangement. Specifically, the...
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6136464 |
Battery and safety device therefor
A safety device for a storage battery includes a charge-discharge lead one end of which is connected to a positive electrode side of the storage battery and the other end of which is connected to a...
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6080505 |
Electrochemical cell safety vent
A safety vent is provided for incorporation into sealed electrochemical cells. The vent is particularly applicable to cells experiencing transient conditions producing pressures above 250 psi (17.6...
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6071637 |
Sealed casing for containing an electric accumulator
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6063518 |
Sealed electrochemical cell equipped with a circuit-breaking terminal
A sealed electrochemical cell (1) fitted with a circuit-breaking terminal (3) which ensures electrical connection between an external contact part (7) of the terminal and one (6) of the positive or...
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6051332 |
Valve cap for an electric storage cell
The valve cap for an electric storage cell includes a central annular valve seat (23) and a membrane (5) fixed by its peripheral edge and urged against the seat by a piston (10) bearing...
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6040085 |
Battery packaging
The subject invention discloses apparatus and methods to provide compression of an electrochemical cell independent of atmospheric pressure. One aspect of this invention is directed towards a...
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6022635 |
Electrochemical cell having a moisture barrier
An electrochemical cell according to the present invention includes a can having an open end; electrochemical materials including two electrodes provided inside the can; a seal provided in the open...
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5985478 |
Pressure responsive cap assembly for rectangular battery
There is provided a cap assembly for a rectangular battery comprising a cap cover in which a vent hole is formed, a positive electrode terminal which has a through hole leading to the discharge...
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5981104 |
Cap assembly of battery
A cap assembly of a battery includes a cap cover in which ventilation holes are formed in the center portion, a cap assembled on the upper edge of the cap cover, and ventilation rubber interposed...
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5981099 |
Pressure relief valve for electric storage batteries
A valve for an electric storage battery, including a cap housing for being positioned in an access port in the battery, the cap housing having interior side walls defining a gas-flow orifice...
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5976728 |
Battery
A battery includes a pair of an anode electric power generating source element and a cathode electric power generating source element for generating an electric power, and a container receiving...
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