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7597995 |
Prismatic battery
According to an embodiment of the invention, a prismatic battery includes an electrode group 10 contained in a prismatic metal outer can. The electrode group 10 has a positive electrode...
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7595130 |
Battery separator and lithium secondary battery
A separator is disclosed which enables to inject a non-aqueous electrolytic solution easily during production of batteries such as lithium ion secondary batteries and also enables to produce a...
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7585587 |
Separator for non-aqueous electrolyte cell
The invention relates to an incombustible separator for a non-aqueous electrolyte cell in which the separator itself does not burn even if the temperature inside the cell becomes high, and more...
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7563544 |
Thermoplastic separator for alkaline electrochemical cells and processes for the production thereof
An alkaline electrochemical cell containing a neat multiphase thermoplastic polymer separator is disclosed. The microstructure and composition of the polymer are selected to provide a film that can...
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7556886 |
Hinged electrode cup and methods of fabrication for medical grade electrochemical cells
According to the present invention an improved insulator cup, or case liner, enhances electrode coil insertion by reducing the possibility of damage to the coil during insertion, protects electrode...
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7498369 |
Ultrahigh molecular weight polyethylene articles and method of manufacture
An article of manufacture comprises an ultrahigh molecular weight polyethylene (UHMWPE) mixed with a processing oil and a lubricant selected from the group consisting of fatty acid esters,...
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7435511 |
Nickel-metal hydride storage battery
A nickel-metal hydride storage battery having a spirally wound electrode group including: (a) a positive electrode including an active material layer containing nickel hydroxide and a positive...
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7413685 |
Composition and method for making fuel cell collector plates with improved properties
A method and composition is disclosed for making conductive flow field separator plates having reduced resistivity, lower weight and lower cost. The plates are made by blending from about 0.5 wt %...
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7407728 |
Alkaline cell or battery
An alkaline cell or battery having at least one positive and one negative electrode which are separated by a separator and which are disposed, along with an alkaline electrolyte, in a housing, the...
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7399555 |
Non-aqueous electrolytic secondary battery
A non-aqueous electrolyte secondary battery comprising: an electrode plate assembly; a non-aqueous electrolyte; and an outer jacket accommodating the electrode plate assembly and the non-aqueous...
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7381500 |
Method for preparing a lithium secondary battery comprising a multi-phase separator and lithium secondary battery made using the same
A method of preparing a lithium secondary battery including a multi-phase separator having a gelled polymer uniformly impregnated therein, includes surface-treating a porous separator to provide a...
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7374843 |
Polyolefin microporous membrane and method of evaluating the same
The invention relates to a microporous membrane, which is provided with high safety even under a condition that the interior temperature of a battery becomes high, and which has high permeability...
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7335441 |
Thin layer electrochemical cell with self-formed separator
A method of forming an electrochemical cell is disclosed. The method comprises contacting a negative pole layer and a positive pole layer one with the other or with an optional layer interposed...
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7311994 |
Separator for lithium ion secondary battery and lithium ion secondary battery provided therewith
A separator for a lithium ion secondary battery, comprising a porous base material containing polyolefin, and a porous layer containing a vinylidene fluoride resin as a main component provided on...
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7267909 |
Battery separators containing reactive functional groups
A battery separator having a thermal shutdown mechanism and exhibiting excellent mechanical properties and low electrical resistance includes a water-scavenging and/or acid-scavenging material...
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7226675 |
Very low emission hybrid electric vehicle incorporating an integrated propulsion system including a fuel cell and a high power nickel metal hydride battery pack
A very low emission hybrid electric vehicle incorporating an integrated propulsion system which includes a fuel cell, a metal hydride hydrogen storage unit, an electric motor, high specific power,...
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7214444 |
Melt blown battery separator
Battery separators made of a wettable, uniform mat of melt blown fibers. The melt blown fibers are thermally bonded to one another. These fibers are made of a thermoplastic material. The fibers...
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7160968 |
Phosphoric acid group-containing polymer electrolyte (composite) membrane and its production method
The invention relates to solid polyelectrolyte membranes and processes for their production. As solid polyelectrolyte materials, there have been known fluoropolymers which have perfluoroskeletons...
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7138207 |
Non-aqueous electrolyte secondary cell
A non-aqueous electrolyte secondary cell which achieves satisfactory low temperature characteristics and high safety against overcharging in combination. The cell includes a lithium-containing...
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7118694 |
Compositions containing silicates and ion-conducting films containing the same
A mixture Ia which comprises a composition IIa consisting of
a) 1 to 95% by weight of a solid III, preferably a basic solid III, having a primary particle size of 5 nm to 20 microns, and b) 5 to...
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7105253 |
Method of and apparatus for manufacturing lithium secondary cell
A method of manufacturing a lithium secondary cell capable of preventing an active material layer from oxidation and moisture absorption is obtained. This method of manufacturing a lithium...
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7070884 |
Separator with improved barrier performance
The present invention is directed to a nonwoven composite fabric for use on batteries or fuel cells comprising one or more layers of fine denier spunbond filaments and at least one layer of barrier...
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7063917 |
Laminated battery separator material
A nonwoven material having a laminated construction and including a first layer of nonwoven fibers defining a first surface of the material; a second layer of nonwoven fibers defining the opposite...
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7060387 |
Secondary cell with improved electrode jelly-roll structure
A secondary cell capable of ensuring thermal and mechanical stabilities required for a high-capacity cell with a simple structure is provided. The secondary cell includes: a can; and an electrode...
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7033704 |
Alkaline storage battery having a separator with pores
An alkaline storage battery comprises: a positive electrode plate; a negative electrode plate; a separator; and an alkaline electrolyte retained by the positive electrode plate, the negative...
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7022434 |
Nickel-metal hydride storage battery and production method thereof
In order to obtain a nickel-metal hydride storage battery having a long cycle life and a low self-discharge rate, in a nickel-metal hydride storage battery comprising: a positive electrode...
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7022431 |
Thin layer electrochemical cell with self-formed separator
A method of forming an electrochemical cell is disclosed. The method comprises contacting a negative pole layer and a positive pole layer one with the other or with an optional layer interposed...
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7014948 |
Electrochemical device using multicomponent composite membrane film
The present invention provides a electrochemical element, wherein a multi-component composite film comprising a) polymer support layer film and b) a porous gellable polymer layer which is formed on...
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6998193 |
Microporous membrane and its uses thereof
A novel microporous membrane comprising a hot-melt adhesive and an engineering plastics, the methods of preparing such microporous membrane and the uses of the microporous membrane in, e.g.,...
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6994935 |
Process for producing separator for batteries, the separator for batteries, and alkaline storage batteries using the same
The present invention relates to the separator for batteries wherein the non-woven cloth comprising fibers mainly composed of polyolefin type resin is provided with hydrophilic property on the...
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6955865 |
Graft polymerization, separators, and batteries including the separators
A non-woven sheet of polyolefin fibers having opposed major surfaces is disclosed. Some areas of one or both of the major surfaces are hydrophilic as a consequence of an acrylic graft polymerized...
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6953492 |
Membrane technology to reduce nitrogen in natural gas
An apparatus and process for providing purified natural gas wherein a natural gas feed mixture of hydrocarbons, nitrogen, and other permeable gases is provided to a semi-permeable membrane...
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6949305 |
Separator for fuel cell, method for producing separator and fuel cell applied with separator
A method for producing a separator for a fuel cell including, first, mixing carbon particles with thermoplastic resin particles to produce mixed particles, and kneading the mixed particles into...
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6949285 |
Membrane suitable for electrochemical cells
A membrane comprising a composition including
(a) 1 to 99 wt-% of at least one polyurethane elastomer comprising at least one hard segment and at least one soft segment, and (b) 99 to 1 wt-% of a...
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6933079 |
Separator for alkaline storage battery and alkaline storage battery using the same
A separator for an alkaline storage battery includes a plurality of polyolefin resins. The polyolefin resins include a first polyolefin resin that is sulfonated, and a second polyolefin resin that...
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6924065 |
Separators for winding-type lithium secondary batteries having gel-type polymer electrolytes and manufacturing method for the same
A porous separator for a winding-type lithium secondary battery having a gel-type polymer electrolyte includes a matrix made of polyvinyl chloride, or a matrix made of mixtures of polyvinylchloride...
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6893778 |
Lithium polymer cell
In a lithium polymer battery of the present invention, a positive electrode, an negative electrode and a separator respectively contain a vinylidene fluoride-hexafluoropropylene copolymer, an...
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6875534 |
Polymer electrolyte fuel-cell separator sealing rubber composition
A rubber composition comprising (A) a polyisobutylene polymer having an allyl radical at an end, (B) an optional organpolysiloxane, (C) an organohydrogenpolysiloxane having at least two SiH...
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6821680 |
Battery separator, process for producing the same, and alkaline battery
A battery including a separator having a satisfactory ammonia trapping property is speculated to exhibit a less self-discharge and a higher capacity-holding rate. The ammonia trapping property is...
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6790562 |
Separator for alkaline secondary battery, method for preparing the same alkaline secondary battery
In an alkaline secondary battery provided with a positive electrode, a negative electrode, a separator to be interposed between the positive electrode and the negative electrode, and an alkaline...
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6777129 |
Alkaline storage battery
An alkaline storage battery having excellent self-discharge characteristics even after a number of charge-discharge cycles is provided. The alkaline storage battery is provided with a case and an...
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6743551 |
Alkaline storage battery
The separator 10 a for use in the alkaline storage battery of the invention comprises densely and uniformly formed over the entire separator and entrained from the surface to the back plane of...
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6743548 |
Silver-zinc alkaline rechargeable battery (stacking order)
A rechargeable, alkaline, zinc-based battery containing a stack of hydrogen permeable cellulose-based films, each one optionally containing a dispersion of metal salts. A film may contain copper...
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6730439 |
Heat-resistant separator
A heat-resistant separator composed of a non-woven fabric of high-melting resin, 1 to 20 μm in average fiber diameter, 5 to 300 g/m 2 in basis weight, 1 to 200 cc/cm 2 /sec in air permeability,...
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6723467 |
Separator for battery and battery
Conventional separators had a function that their melting made minute holes inside the separator smaller, leading to cut off of ion conductivity in temperature increase due to unusual conditions...
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6710098 |
Methods for reforming polymer surface for improved wettability
The present invention relates to a method for reforming the surface of polymer, especially to a method for providing hydrophilicity or increasing hydrophobicity by reforming the surface of polymer...
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6692867 |
Battery separator-pin removal
A method for removing a pin from a battery assembly by the step of providing a separator comprising: a microporous membrane having an exterior surface portion of polypropylene, the polypropylene...
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6689509 |
Laminated multilayer separator for lead-acid batteries
The invention concerns a battery separator comprising at least one microporous polymer layer and at least one fibrous layer, wherein the microporous polymer layer comprises micropores with an...
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6680144 |
Battery separator
A method for producing a battery separator is disclosed. The method comprises applying a coating of an ethylenically unsaturated monomer to the fibers of a non-woven sheet and polymerizing the...
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6632538 |
Sheet for cell and cell device
A battery packet ( 50 ) comprises a battery case ( 51 ) formed by processing a battery case forming laminated sheet ( 10 ), a battery 50 a contained in the battery case ( 51 ), and tabs ( 59, 60...
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