battery (Total 269884 Patents Found)

An electric hair curler comprises a handle and a barrel connected thereto for winding thereabout the hair. The barrel is provided with an electric heater for curling the hair wound on the barrel. The heater includes a plurality of resistor elements in the form of strips extending along the length of the barrel in gener...
A regulated power supply can be derived from a battery supply input and a regulator, but in order to conserve battery power, alternative power supplies can be provided each with a switch responsive to the regulator to connect that alternative power supply to the output when it rises to the level of the battery supply....
A switching circuit is provided to process a DC voltage and apply a low frequency AC voltage, having a trapezoidal waveform, to a co-axial cable transmitting the low frequency AC voltage to a load which may be powered by the low frequency AC voltage as well as a DC voltage. In one specific embodiment two of the switche...
An electrolyte container for simultaneously filling electrolyte into the individual cells of a multi-cell dry-charged storage battery comprising a shell body having a plurality of spaced cell units, corresponding in number to the battery to be filled and each containing the quantity of electrolyte required to fill the ...
A contactless recharging system and method for recharging a battery storage device onboard an electric vehicle has a primary converter station for converting power from a power source into high frequency power at a selected charging rate. The vehicle has a secondary converter for converting high frequency power into DC...
A plurality of prismatic cell cases having short lateral walls and long lateral walls are coupled together such that each of the short lateral walls of these cell cases is common to two adjacent cell cases as partitions, thereby constituting an integral battery case of a battery module. Each of the cell cases respectiv...
A method (200) for charging a nickel cadmium, nickel-metal hydride or lithium-ion battery cell using an ultra-fast vehicular charging system includes determining (201, 203, 205) manufacturer identity, ultra-fast battery charging capability and battery capacity from the battery system to provide (207) battery type infor...
A plurality of cells each encased in prismatic cell cases having short lateral walls and long lateral walls are arranged side by side, with adjacent short lateral walls being integral with each other, thereby constituting an integral battery case. The upper open ends of the plurality of prismatic cell cases are integra...
A rechargeable metal-air battery having a housing, an air flow path, and at least one metal-air cell positioned within the housing. An air movement device communicates with the housing. The metal-air cell generates oxygen and hydrogen during cell charging. The air movement device creates a pulsating air flow within the...
A lead-acid battery construction comprises a casing, electrolyte means received in the casing and positive and negative electrode means mounted in the casing in contact with the electrolyte and being spaced apart by separator means. The positive electrode means includes a shaped grid structure having a top bar, a lug a...
A synchronization control scheme that provides a drive signal to a plurality of switching circuits and method of operation therefor. The synchronization controller, includes: (1) a plurality of dual threshold relaxation oscillators, coupled to a corresponding plurality of storage devices, that each assume a first state...
An integrated thin-film solar battery having a plurality of unit elements connected in series includes a substrate, a plurality of spaced apart first electrode layers formed on the substrate; a plurality of semiconductor layers disposed on said plurality of first electrode layers in such a manner that each of the semic...
A device for cooling or heating a battery module is disclosed to uniformly lower the temperature of the battery modules, reduce the overall weight and manufacturing costs and time. The device comprises: a plurality of battery modules; a holder supportably accommodating said battery modules; at least one fan for deliver...
A module and method incorporated thereby is provided for maintaining the float voltage of a battery cell at an optimum fully charged condition while being continuously charged by a float current. The module preferably includes a mechanism for measuring the actual float voltage of the cell, and a circuit is established ...
The present invention provides a lithium secondary battery which has improved safety, mainly coming from use of an electrolyte solution which is not inflammable at room temperature (20° C.), while not deteriorating output characteristics at low temperatures and room temperature or output maintenance characteristics af...
An integral assembly for an automotive vehicle includes a battery tray, a coolant reservoir and a vacuum reservoir. The battery tray and portions of the coolant reservoir and vacuum reservoir are formed as a single molded part having shared partition walls, so as to provide superior strength, economy, and packaging eff...
A portable power driven system has a manually movable frame. In one example, an internal combustion engine and a generator device that generates AC power are supported on the frame. The internal combustion engine drives the generator device. An electrically powered starting device is coupled to the internal combustion ...
A nickel metal hydride battery includes particles of hydrogen storage alloys in the negative electrode. Such hydrogen storage alloys have a composition expressed by a general formula: (La a Sm b A c ) 1-w Mg w Ni x Al y T z . In the formula, A and T denote at least one element selected from the groups consisting of: Pr...
A nickel metal hydride storage battery included a battery case, and a group of electrode plates arranged in the battery case, wherein the battery case includes a battery case main body having a hole and a lid for closing the hole. The battery case includes a first portion made of a metal or a laminate of a metal and a ...
A pronounced heat-diffusing action for a battery pack, which has a plurality of battery cells ( 2 ) located in a housing ( 1 ), is created by shaping the wall of the housing ( 1 ) surrounding the battery cells ( 2 ) such that this wall forms at least one duct ( 3, 4 ) for a heat-diffusing medium, which duct is closed o...
A positive electrode for a lithium sulfur battery and a lithium sulfur battery include a positive active material wiith a particle size D (v, 50%) of 10 μm or less, or has an average surface roughness Ra of 5 μm. The positive active material is selected from elemental sulfur (S 8 ), a sulfur-based compound, and a mix...
A positive electrode active material for a lithium secondary battery containing a lithium-cobalt composite oxide, which has a large volume capacity density, has a high safety and is excellent in charge and discharge cyclic durability, and its production process, are provided. A lithium-cobalt composite oxide rep...
A negative active material for a rechargeable lithium battery may include a compound powder represented by the following formula 1 Li x M y V z O 2+d   [Formula 1] where 1≦x≦2.5, 0≦y≦0.5, 0.5≦z≦1.5, 0≦d≦0.5, and M is an element selected from Al, Cr, Mo, Ti, W, Zr, and combinations thereof. The c...
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 section and formed on a surface of the casing member, and a gas release mechanism located on a wall of the recess and releasing ...
A nonaqueous electrolyte secondary battery is provided with a positive electrode including a positive-electrode active material, a negative electrode including a negative-electrode active material, and a nonaqueous electrolyte solution. The negative electrode further includes carbon fibers and carbon flakes. The synerg...
A lithium-air storage battery having at least one electrochemical cell with a negative electrode, which is an air electrode; a positive electrode, which comprises a material for insertion of lithium; and an organic electrolyte conducting lithium ions, positioned between the negative electrode and positive el...
Provided is a positive electrode active material that is capable of improving output characteristics when used as positive electrode material for a non-aqueous electrolyte secondary battery. A lithium mixture that is obtained by adding and mixing a lithium compound to a transition metal composite hydroxide that was obt...
A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a separator. The positive electrode includes a positive electrode current collector, a first positive electrode mixture layer that is provided on the positive electrode current collector, and a second positive electrode ...
The present disclosure relates to a positive electrode active material and a positive electrode comprising metal nano particles, and a lithium-sulfur battery comprising the same, and in particular, to a positive electrode for a lithium-sulfur battery comprising a positive electrode active material of a sulfur-metal cat...
The invention relates to an electrochemical cell for a lithium-ion battery comprising: a negative electrode comprising as an active material silicon; a positive electrode; and an electrolyte positioned between said negative electrode and said positive electrode, said electrolyte comprising at least one lithi...