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7611797 |
Lithium secondary battery with safety device
A lithium secondary battery includes a can made of a conductive metal. The can houses an electrode unit having positive and negative electrode plates with a separator interposed therebetween with...
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7579105 |
End cap assembly and vent for high power cells
And end cap assembly and venting system therein for closing and sealing the open end of a cell housing. The end cap assembly comprises a sealing disk underlying an end cap, and a metal support disk...
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7572544 |
Sealed rechargeable battery
In a closure assembly for sealed rechargeable batteries, upon a metallic foil is placed a spacer having an aperture that is larger than an upwardly protruding portion of the foil but smaller than...
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7550225 |
Battery
A battery capable of preventing deformation thereof when gas is generated is provided. In the battery, a safety valve is electrically connected to a battery element, and an insulating plate is...
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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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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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7517607 |
Lithium ion secondary battery
A lithium ion secondary battery in which a safety vent as a safety device for a swelling phenomenon functions under a low pressure. A notch is formed in an inner surface of a large-area wall of the...
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7459232 |
Secondary battery having safety valve and method of manufacturing same
An electrode assembly includes a positive plate, a negative plate and a separating plate interposed between those two plates, a container receiving the electrode assembly inside thereof, a cap...
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7378179 |
Battery accommodation casing, battery module and assembled battery
A battery accommodation casing includes a casing member having an approximate flat shape to house a laminate-sheathed cell therein in a sealing manner, a recess having a hollow shape in cross...
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7335439 |
Hermetically sealed battery
A hermetically sealed battery is provided, equipped with a opening sealing unit 10 including a Positive Temperature Coefficient (PTC) element without reducing the volume of the outside can, and...
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7276092 |
Electrochemical element in the form of a button cell, and a method for producing an electrochemical element
An electrochemical element in the form of a button cell having at least one lithium-intercalating electrode, wherein the cell cover or the cell cup has an opening which is closed in a sealed manner...
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7235327 |
Safety vent part and electric energy storage device having the same
In a safety vent part and an electric energy storage device having the same, the safety vent part includes a plate coupled to the device, a metal sheet and a metal cap. A hole having a step portion...
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7220796 |
Conductive elastomer composition, conductive member using conductive elastomer composition, image-forming apparatus having conductive member
A conductive elastomer composition includes an ionic-conductive elastomer component, which contains an anion-containing salt having a fluoro group (F—) and a sulfonyl group (—SO 2 —). The...
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7195839 |
Battery cell with improved pressure relief vent
An electrochemical cell with a pressure relief vent formed in a metal plate disposed in at least one of the closed end and the open end of the container. The pressure relief vent has an annular...
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7186477 |
Header for rechargeable lithium batteries
A header for rechargeable lithium batteries, which incorporates a riveted disconnect mechanism. The header is especially useful for rechargeable lithium batteries for high power applications.
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7175935 |
Lithium manganese dioxide cell
A lithium dioxide cell construction including a resettable positive temperature coefficient fuse. The positive temperature coefficient fuse, can withstand shock and mechanical vibration without...
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7147962 |
Lithium secondary battery and manufacturing method thereof
A lithium secondary battery comprises an internal electrode body formed by winding a positive electrode and a negative electrode on an outer peripheral wall of a hollow winding core, nonaqueous...
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7140380 |
Cell safety valve and cell having same
A cell according to the present invention comprises a positive electrode, a negative electrode, an electrolyte solution, and an outer casing, wherein the outer casing comprises a valve plate 30 ...
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7098264 |
Conductive elastomer composition, conductive member using conductive elastomer composition, image-forming apparatus having conductive member
A conductive elastomer composition includes an ionic-conductive elastomer component, which contains an anion-containing salt having a fluoro group (F—) and a sulfonyl group (—SO 2 —). 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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7060386 |
Nonaqueous electrolyte solution secondary battery
A nonaqueous electrolyte secondary battery which can reliably perform a current cut-off operation in a current cut-off state and can release a gas in a cleavage state. In the nonaqueous electrolyte...
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6991872 |
End cap seal assembly for an electrochemical cell
An end cap seal assembly for an electrochemical cell such as an alkaline cell is disclosed. The end cap assembly comprises a convoluted end cap which may also function as a cell terminal and an...
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6964690 |
Safety mechanism for rectangular battery and method of manufacturing the same
A battery case ( 1 ) has a cutting groove ( 10 ) formed on its elongated side surface ( 1 a ). Between a groove bottom surface of the cutting groove ( 10 ) and an inner surface of the battery case...
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6949311 |
Battery structure
The invention discloses a battery structure formed by the steps of: securing and adhering upper and lower plastic casings; sealing lithium cell raw material using plastic; connecting a contact of...
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6926992 |
Nonaqueous electrolyte secondary battery
Disclosed is a nonaqueous electrolyte secondary battery comprises a sealing unit including a conductive support plate, wherein the conductive support plate contains at least one kind of a...
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6887618 |
Electrochemical cell with flat casing and vent
An electrochemical cell generating hydrogen gas upon discharge, wherein the cell has an outer casing, a vent aperture passing through a wall of the casing, and a rupturable membrane covering the...
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6887614 |
End cap assembly for an electrochemical cell
An end cap seal assembly for an electrochemical cell such as an alkaline cell is disclosed. The end cap assembly comprises a convoluted metal support disk and underlying insulating sealing disk....
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6838206 |
Safety plate of secondary battery
In a battery in which a separator is disposed between a cathode and an anode, a jelly roll is wound with the separator. The cathode, the anode and the separator are received in a battery case and...
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6830736 |
Apparatus for carrying out a heterogeneously catalyzed reaction
For carrying out a heterogeneously catalyzed reaction, such as the generation of hydrogen from hydrocarbons or alcohol, a reaction mixture comprising a hydrocarbon and water is supplied to a...
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6824917 |
Battery system for a portable electronic device
A battery system for a portable electronic device includes a thin wall can structure for holding cathode and anode material and electrolyte defining a battery cell. Current is limited by a safety...
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6818342 |
Method of forming protective coating on cell safety valve element, cell safety valve element coated with protective film, cell sealing plate using the element, and enclosed cell using the plate
A method of forming a protective coating on a cell safety valve element by coating the cell safety valve element with a protective film to protect metal portions thereof against corrosion, a cell...
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6805992 |
Battery and portable device
A battery ( 1, 11 a to 11 c , 31 to 36 ) includes a cylindrical or polygonal exterior can ( 2, 12 ); a safety valve ( 4, 14, 18, 19, 41 to 46 ) provided to the exterior can ( 2, 12 ) to...
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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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6737187 |
Closed battery
A closed battery which is capable of rapidly releasing the internal pressure there while simultaneously disconnecting the current to prevent the internal temperature of the battery from rising and...
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6733917 |
Seal for pressurized container with a rupturable seal
A pressurized container with a vent assembly that reliably prevents resealing of a vented seal member is provided. In one embodiment, the vent assembly seals the end of a container that includes a...
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6723465 |
Nonaqueous electrolyte battery and production method thereof
A nonaqueous electrolyte batter includes: an electrode body having at least a positive electrode and a negative electrode; a cylindrical container with its bottom closed, in which the electrode...
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6713209 |
Arrangement for implementing a safety feature in a battery
The invention pertains to a safety feature that finds particular utility in batteries with flexible shells. Conductors to be attached to the electrodes of a battery are thin strips, and the...
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6703157 |
Cylindrical battery and method for manufacturing the same
The present invention provides a high-capacity cylindrical battery, wherein a burst-proof mechanism, which functions to discharge a gas outside when the internal pressure of the battery abnormally...
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6696196 |
Closed battery container having high volume rapid venting feature
A closed battery container having walls defining an interior which is subjected to one of a first and a second pressure, the first pressure much lower than the second pressure. The closed container...
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6682846 |
Charging element device and holding structure therefor
A charging element device comprises a positive electrode terminal and a negative electrode terminal which are located at one end of a cylindrical battery case having a positive electrode and a...
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6649301 |
Sealed battery
A sealed battery includes a can for receiving an electric generator, a shape-variable plate crimped on an opening of the can, a gasket disposed between the can and the shape-variable plate, a...
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6632559 |
Safety device for sealed battery and sealed battery using it
A safety device for a closed battery capable positively preventing a rupture due to a rapid internal pressure rise at over-packing and short-circuiting and being produced inexpensively, a positive...
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6632558 |
Battery construction having pressure release mechanism
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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6620544 |
Sealed battery
A sealed battery includes a can for receiving an electric generator, a sealing member crimped on an opening of the can and connected to one of a positive electrode and a negative electrode of the...
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6610437 |
Closure assembly for sealed batteries
A closure assembly for sealed batteries in which explosion-proof features are incorporated. A metal plate having a hole, an insulating resin sheet, a metal thin sheet, an insulating sheet having an...
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6602633 |
Crush type pressure detecting device, rechargeable battery with pressure detecting device, and portable electronic device
A crush type pressure detecting device less in occurrence of malfunction, simple in structure, and inexpensive to manufacture is presented. On a crush plate 120 made of ceramics or the like, a...
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6599656 |
Storage cell battery incorporating a safety device
A storage cell battery includes at least one cell having an enclosure containing an electrode assembly impregnated with an electrolyte and including at least one positive electrode, at least one...
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6589687 |
Cleaved type safety valve for metal vessels
There has been developed a safety valve installed on a small-sized cell vessel which remains hermetically sealed during the normal operation but which instantly releases the pressure in the inside...
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6589683 |
Regenerative fuel cell learning kit
Educational kit which combines a unitized regenerative fuel cell with a demonstration platform to illustrate the principals of fuel cell use and application. A fuel cell education kit provides...
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6572998 |
Non-aqueous electrolyte secondary battery
A non-aqueous electrolyte secondary battery having a structure which enables an electrode device to easily be inserted into a battery can thereof even if the thickness of the battery is reduced....
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