Abstract: An electrode for an electrochemical cell including a polymer substrate, a conductive material in contact with the polymer substrate, a conductive ink in contact with the conductive material, and an active electrode material in contact with the conductive ink. The conductive ink is configured to enhance the adhesion between the conductive material and the active electrode material.

Abstract: A thin printed flexible electrochemical cell, and its method of manufacture, using a “picture frame” structure sealed, for example, with a high moisture and oxygen barrier polymer film and featuring, for example, a printed cathode deposited on an optional, highly conductive carbon printed cathode collector with a printed or a foil strip anode placed adjacent to the cathode. A viscous or gelled electrolyte is dispensed and/or printed in the cell, and a top laminate can then be sealed onto the picture frame. Such a construction could allow the entire cell to be made on a printing press, for example, as well as gives the opportunity to integrate the battery directly with an electronic application, for example.

Abstract: An electrode of an energy storage device with less deterioration by charge and discharge can be manufactured. In addition, an energy storage device which has large capacity and high endurance can be manufactured. A manufacturing method of an electrode of an energy storage device is provided in which a high-wettability regions and a low-wettability region are formed at a surface of a current collector, a composition containing silicon, germanium, or tin is discharged to the high-wettability regions and then baked to form separate active materials over a surface of the current collector. Thus, an electrode of an energy storage device with less deterioration due to charge and discharge can be manufactured.

Abstract: A nonaqueous electrolyte secondary battery includes a case, a nonaqueous electrolyte provided in the case, a positive electrode provided in the case, and a negative electrode provided in the case, the negative electrode comprising a negative electrode current collector and a negative electrode layer that is carried on the negative electrode current collector and contains negative electrode active material particles, and the negative electrode current collector comprising an aluminum foil having an average crystal grain size of 50 ?m or less or an aluminum alloy foil having an average crystal grain size of 50 ?m or less.

Abstract: An electrode includes a collector formed with a conductive resin layer and an active material layer formed on the conductive resin layer. The active material layer comprises an active material and a binder polymer, and the conductive resin layer is bonded by thermal fusion bonding to the active material layer.

Abstract: A positive current collector provided by the present invention is a positive current collector including an electrically conductive layer on a base material of aluminum or an aluminum alloy. The base material has a surface oxide film at an interface of the base material body and the conductive layer, and a thickness of the surface oxide film is 3 nm or less.

Abstract: A negative electrode for a hybrid energy storage device includes a current collector; a corrosion-resistant conductive coating secured to at least one face of the current collector; a sheet comprising activated carbon adhered to the corrosion-resistant conductive coating; a tab portion extending from a side of the negative electrode; and a lug comprising a lead or lead alloy that encapsulates at least part of the tab portion.

Abstract: A battery electrode substrate includes a metallic porous body. The metallic porous body has a structure in which a surface of a plastic fiber in a woven or unwoven fabric is coated with a nickel film. The nickel film coats the surface with an average coverage ratio of not less than 85%.

Abstract: A carbon foam battery useful for electrical applications is disclosed which includes a relatively low conductivity low density high porosity carbon foam.

Abstract: An apparatus, system, and method are disclosed for a carbon nanotube templated battery electrode. The apparatus includes a substrate, and a plurality of catalyst areas extending upward from the substrate, the plurality of catalyst areas forming a patterned frame. The apparatus also includes a carbon nanotube forest grown on each of the plurality of catalyst areas and extending upward therefrom such that a shape of the patterned frame is maintained, and a coating attached to each carbon nanotube in the carbon nanotube forest, the coating formed of an electrochemically active material. The system includes the apparatus, and a particulate cathode material distributed evenly across the apparatus such that the particulate cathode material fills the passages, a current collector film formed on top of the particulate cathode material, and a porous spacer disposed between the apparatus and the cathode.

Abstract: A current collector (1) according to the invention has at least one substantially plate-like and preferably thin-walled core region (2). This core region contains at least one electrically conductive third material. The current collector also has a first surface region (3) comprising at least one first material. The current collector also has a second surface region (4) comprising at least one second material. In this case, the electrical conductivity of the first surface region is lower than that of the second surface region. Furthermore, this first surface region is bounded and/or spatially separated from this second surface region.

Abstract: A battery includes a spirally wound electrode body in which a cathode and an anode are layered with a separator in between and spirally wound. The spirally wound electrode body is attached with at least one lead on the spirally-winding center side. The cathode has a cathode current collector having a pair of opposed faces, an outer-face cathode active material layer provided on the spirally-winding outer face side of the cathode current collector, and an inner-face cathode active material layer provided on the spirally-winding inner face side thereof. A thickness of the inner-face cathode active material layer is smaller than a thickness of the outer-face cathode active material layer. An outer face active material region provided with only the outer-face cathode active material layer is formed to be overlapped with the lead on the spirally-winding center side of the cathode.

Abstract: A magnesium battery electrode assembly is described, including a current collector comprising a carbonaceous material and an electrode layer comprising an electrode active material disposed on the current collector.

Abstract: The present disclosure relates to energy storage or collection devices and methods for making such devices having electrode materials containing exfoliated nanotubes with attached electro- or photoactive nanoscale particles or layers. The exfoliated nanotubes and attached nanoscale particles or layers may be easily fabricated by methods such as coating, solution or casting or melt extrusion to form electrodes. Electrolytes may also be used for dispersing nanotubes and also in a polymeric form to allow melt fabrication methods.

Abstract: A negative electrode for a lithium ion secondary battery includes a current collector, an intermediate layer formed on a surface of the current collector, and an active material layer formed on the intermediate layer. The current collector includes a metal capable of being alloyed with silicon. The active material layer includes an active material including silicon. The intermediate layer includes silicon and oxygen. The intermediate layer prevents the metal capable of being alloyed with silicon from diffusing into the active material layer. The diffusion of the constituent element of the current collector into the active material layer is suppressed.

Abstract: A nonaqueous electrolyte secondary battery includes: a positive electrode 4 including a positive electrode current collector and a positive electrode material mixture layer containing a positive electrode active material and a binder and provided on the positive electrode current collector; a negative electrode 5; a porous insulating layer 6 interposed between the positive electrode 4 and the negative electrode 5; and a nonaqueous electrolyte. The positive electrode current collector contains aluminium. The positive electrode current collector has an average crystal grain size of 1.0 ?m or more.

Abstract: The invention relates to a galvanic cell, which chemically stores energy and supplies electric energy. The galvanic cell comprises at least two electrodes (32, 34) and conductors (31, 35), associated with said electrodes. The cross-sections of the conductors are dimensioned such, that the electric resistance of the conductors and the electric power losses thus created, are approximately equal. The use of such conductors is described with respect to rechargeable galvanic cells, the electrolyte of which comprises lithium ions.

Abstract: A super-conductive nanoparticle, a super-conductive nanoparticle powder, and a lithium battery including the super-conductive nanoparticle powder.

Abstract: Provided are conductive substrates having open structures and fractional void volumes of at least about 25% or, more specifically, or at least about 50% for use in lithium ion batteries. Nanostructured active materials are deposited over such substrates to form battery electrodes. The fractional void volume may help to accommodate swelling of some active materials during cycling. In certain embodiments, overall outer dimensions of the electrode remain substantially the same during cycling, while internal open spaces of the conductive substrate provide space for any volumetric changes in the nanostructured active materials. In specific embodiments, a nanoscale layer of silicon is deposited over a metallic mesh to form a negative electrode. In another embodiment, a conductive substrate is a perforated sheet with multiple openings, such that a nanostructured active material is deposited into the openings but not on the external surfaces of the sheet.

Abstract: An energy storage unit, such as a galvanic cell, is composed of a first electrode (10), a second electrode (18) and a separation element (24), which is arranged between the first and the second electrode. Therein, the first and the second electrode (10, 18), respectively, comprise an electrode collector (12, 20) and an active electrode material (14, 22), which is applied onto the respective electrode collector on one side or on both sides. In order to improve the longterm stability, in particular for large format lithium-ion cells, the electrode collector (12, 20) of the first and/or the second electrode (10, 18) is made of a copper material, which is technical-grade oxygen-free having at least approximately 99.9% by weight copper and a specific phosphorous content.

Abstract: A lithium-ion battery includes a positive electrode comprising a current collector and a first active material comprising LiCoO2 and a negative electrode comprising a current collector, a second active material, and a third active material. The second active material comprises a lithium titanate material and the third active material is V2O5. The third active material exhibits charging and discharging capacity below a corrosion potential of the current collector of the negative electrode and above a decomposition potential of the first active material.

Abstract: An improved Ni—Zn cell with a negative electrode substrate plated with tin or tin and zinc during manufacturing has a reduced gassing rate. The copper or brass substrate is electrolytic cleaned, activated, electroplated with a matte surface to a defined thickness range, pasted with zinc oxide electrochemically active material, and baked. The defined plating thickness range of 40-80 ?In maximizes formation of an intermetallic compound Cu3Sn that helps to suppress the copper diffusion from under plating layer to the surface and eliminates formation of an intermetallic compound Cu6Sn5 during baking to provide adequate corrosion resistance during battery operation.

Abstract: An electrochemical secondary cell is disclosed. The cell includes a cathode, an anode, a cathode current collector including stainless steel, and an electrolyte containing a perchlorate salt and a second salt.

Abstract: A lithium battery includes a housing and a first electrode and a second electrode provided within the housing. A first tab is coupled to the first electrode and a second tab coupled to the second electrode. A pin is coupled to the second tab and extends to a location outside the housing. At least one of the first tab, the second tab, and the pin are formed from a material comprising vanadium.

Abstract: A rechargeable lithium-ion battery includes a positive electrode that includes a first current collector and a first active material. The battery also includes an electrolyte and a negative electrode that includes a second current collector and a second active material, where the second active material includes a lithium titanate material. The positive electrode has a first capacity and the negative electrode has a second capacity, the second capacity being less than the first capacity such that the rechargeable lithium-ion battery is negative-limited.

Abstract: A lead-acid battery grid made from a lead-based alloy containing, in addition to lead, tin at a concentration that is at least about 0.500%, silver at a concentration that is greater than 0.006%, and bismuth at a concentration that is at least about 0.005%, and, if calcium is present in the lead-based alloy, the calcium is at concentration that is no greater than about 0.010%.

Abstract: A lithium secondary battery is provided with a positive electrode, a negative electrode (1), a separator interposed between the positive and negative electrodes, and an electrode assembly having the negative electrode (1), the positive electrode, and the separator. The negative electrode (1) has a negative electrode current collector (11) and negative electrode active material layers (12), (13) formed on respective surfaces of the negative electrode current collector (11). The negative electrode active material layers are composed of an alloy containing silicon, which intercalates and deintercalates lithium, and iron, which does not intercalate or deintercalate lithium.

Abstract: A nonaqueous electrolyte secondary battery, having an internal resistance of 10 m? or less as an alternating-current impedance value of 1 kHz, comprises a metal outer container, a nonaqueous electrolyte contained in the container, a positive electrode contained in the container, a negative electrode contained in the container, a separator interposed between the negative electrode and the positive electrode, a negative electrode lead having one end connected to the negative electrode, and a negative electrode terminal attached to the outer container so as to be connected electrically to the other end of the negative electrode lead, at least the surface of the negative electrode terminal which is connected to the negative electrode lead being formed of aluminum alloy with an aluminum purity of less than 99 wt. % containing at least one metal selected from the group consisting of Mg, Cr, Mn, Cu, Si, Fe and Ni.

Abstract: A nonaqueous electrolyte secondary battery includes a case, a nonaqueous electrolyte provided in the case, a positive electrode provided in the case, and a negative electrode provided in the case, the negative electrode comprising a negative electrode current collector and a negative electrode layer that is carried on the negative electrode current collector and contains negative electrode active material particles, and the negative electrode current collector comprising an aluminum foil having an average crystal grain size of 50 ?m or less or an aluminum alloy foil having an average crystal grain size of 50 ?m or less.

Abstract: A carbon foam battery useful for electrical applications is disclosed which includes a relatively low conductivity low density high porosity carbon foam.

Abstract: A battery is adapted such that a nickel hydroxide particle group constituted of a number of nickel hydroxide particles filled in a void part of a positive electrode substrate contains, at a ratio of 15 wt % or less, small-diameter nickel hydroxide particles each having a particle diameter of 5 ?m or less. The positive electrode substrate is configured such that a front-surface-side nickel layer and a back-surface-side nickel layer are made larger in thickness than a middle nickel layer, and an average thickness B of either the front-surface-side nickel layer or the back-surface-side nickel layer, which is thicker one, and an average thickness C of the middle nickel layer satisfy a relation of C/B?0.6.

Abstract: The storage characteristics of an alkaline battery are improved by suppressing the production of hydrogen gas during storage. The alkaline battery includes a positive electrode, a negative electrode, and a conductive member in contact with the negative electrode. The negative electrode includes a zinc-containing negative electrode active material and an alkaline electrolyte, and the alkaline electrolyte includes a potassium hydroxide aqueous solution. The negative electrode active material, the alkaline electrolyte, and a contact surface of the conductive member with the negative electrode include the same metal element M, and the metal element M is a metal element other than zinc.

Abstract: A lithium-ion battery includes a positive electrode having an active material and a polymeric separator configured to allow electrolyte and lithium ions to flow between a first side of the separator and an opposite second side of the separator. The battery also includes a liquid electrolyte having a lithium salt dissolved in at least one non-aqueous solvent and a negative electrode having a lithium titanate active material. The positive electrode has a first capacity and the negative electrode has a second capacity that is less than the first capacity.

Abstract: A nonaqueous electrolyte secondary battery of the present invention includes a positive electrode plate 21 having an uncoated part along at least one long side of a continuous positive electrode substrate 211 coated with a positive electrode mixture layer 212 containing a positive electrode active material. In the nonaqueous electrolyte secondary battery, the positive electrode mixture layer 212 includes a lithium transition-metal compound capable of insertion and separation of lithium ion and 5 to 15% by mass of a conductive material with respect to the positive electrode mixture, the conductive material contains 70% by mass or more of flaked graphite particles with an average particle diameter (D50) of 5 to 30 ?m and an average thickness of 0.1 to 1.0 ?m with respect to the whole amount of the conductive materials, and a packing density of the positive electrode mixture layer is 2.00 to 2.80 g/cc.

Abstract: The invention relates to a method of forming an electrocatalytic surface on an electrode in a simple way, in particular on a lead anode used in the electrolytic recovery of metals. The catalytic coating is formed by a spraying method which does not essentially alter the characteristics of the coating powder during spraying. Transition metal oxides are used as the coating material. After the spray coating the electrode is ready for use without further treatment. The invention also relates to an electrode onto which an electrocatalytic surface is formed.

Abstract: A lithium-ion battery includes a positive electrode that includes a positive current collector, a first active material, and a second active material. The lithium-ion battery also includes a negative electrode comprising a negative current collector, a third active material, and a quantity of lithium in electrical contact with the negative current collector. The first active material, second active material, and third active materials are configured to allow doping and undoping of lithium ions, and the second active material exhibits charging and discharging capacity below a corrosion potential of the negative current collector and above a decomposition potential of the first active material.

Abstract: The invention relates to an additive to the active mass of a zinc anode for an alkaline secondary electrochemical generator. Said additive contains conductive ceramic powder, preferably titanium nitride particles which is exposed to an oxidation pre-treatment prior to the incorporation thereof into the active mass of the anode. Said ceramic powder is used as electronic conduction in the anode active mass and as zincates retention which are produced by generator discharge. In order to use said retentive capacity, the powder is exposed to an oxidation pre-treatment, whereby making it possible to form the binding sites on the surface of ceramic grains. The inventive additive makes it possible, starting from the first cycles of the electrode formation, to form uniform zinc deposits, thereby increasing the service life for the cycling of the zinc anode.

Abstract: A new design for a cathode having a configuration of: SVO/first current collector/CFx/second current collector/SVO is described. The two cathode current collectors are vertically aligned one on top of the other in a middle region or zone of the cathode. This coincides to where a winding mandrel will be positioned to form a wound electrode assembly with an anode. The overlapping region of the two current collectors helps balance the expansion forces of the exemplary SVO and CFx active material layers. This, in turn, helps maintain a planar cathode that is more amenable to downstream processing. The use of two current collectors on opposite sides of an intermediate cathode active material also provides for enhanced reliability when cathodes are wound from the center as they lend structural integrity to outer portions of the wind.

Abstract: A negative electrode used for a nonaqueous electrolyte solution battery having nonaqueous electrolyte solution containing lithium ion includes a metal carbon composite material. The metal carbon composite material has a porous carbon material having cavities, and a metal material made of metal to reversibly store or emit lithium ion. The metal material is arranged on a surface of the porous carbon material including inner surfaces of the cavities. The porous carbon material has a mass of 1-65 mass % when the metal carbon composite material is defined to have a mass of 100 mass %.

Abstract: An electrode plate for a battery includes a current collector having a substrate and a plurality of protrusions that are carried on the substrate; and an active material layer that is carried on the current collector. The protrusions include a conductive material that undergoes plastic deformation more easily than the substrate. A lithium secondary battery includes the above electrode plate.

Abstract: This invention relates to a new battery oxide mixture for use in lead acid batteries and/or battery plates, specifically tetrabasic lead sulphate and lead oxide mixture that is derived through basic reactions from lead sulphate and the method utilized to obtain the said tetrabasic lead sulphate and lead oxide mixture by basic reactions starting by lead sulphate as initial substance. Additionally, this invention relates to battery plates produced wherein the paste made of tetrabasic lead sulphate and lead oxide mixture is plastered on lead battery grids.

Abstract: An implantable medical device, such as an implantable pulse generator (IPG) used with a spinal cord stimulation (SCS) system, includes a rechargeable lithium-ion battery having an anode electrode with a substrate made substantially from titanium. Such battery construction allows the rechargeable battery to be discharged down to zero volts without damage to the battery. The implantable medical device includes battery charging and protection circuitry that controls the charging of the battery so as to assure its reliable and safe operation.

Abstract: A lithium-ion battery includes a positive electrode that includes a current collector that includes a positive electrode comprising a current collector and an active material comprising a material selected from the group consisting of LiCoO2, LiMn2O4, LiNixCoyNi(1?x?y)O2, LiAlxCoyNi(1?x?y)O2, LiTixCoyNi(1?x?y)O2, and combinations thereof. The battery also includes a negative electrode that includes a current collector and an active material comprising a lithium titanate material. The current collector of the negative electrode includes a material selected from the group consisting of aluminum, titanium, silver, and combinations thereof. The battery is configured for cycling to near-zero-voltage conditions without a substantial loss of battery capacity.

Abstract: A battery grid includes a grid network bordered by a frame element and includes a plurality of spaced apart grid wire elements. Each grid wire element has opposed ends joined to one of a plurality of nodes to define a plurality of open spaces in the grid network. In various embodiments, at least a portion of a plurality of the grid wire elements are deformed such that the deformed grid wire elements have a first transverse cross-section at a point intermediate their opposed ends that differs from a second transverse cross-section taken at least one of their opposed ends. In various embodiments, the battery grid also includes a lead alloy coating applied to the battery grid, and a battery paste applied to the battery grid.

Abstract: A lithium-ion battery includes a positive electrode including a positive current collector, a first active material, and a second active material. The battery also includes a negative electrode having a negative current collector and a third active material, the third active material including a lithium titanate material. The first active material, second active material, and third active materials are configured to allow doping and undoping of lithium ions. The second active material exhibits charging and discharging capacity below a corrosion potential of the negative current collector and above a decomposition potential of the first active material.

Abstract: At least two types of active materials having different charge and discharge characteristics are combined and incorporated into a same cell to provide a battery. The active materials having different charge and discharge characteristics to be incorporated have any form without limitation to a particulate shape, a plate, a rod or the like. The active materials having different charge and discharge characteristics are incorporated into either or both of the cathode and the anode.

Abstract: A nonaqueous electrolyte secondary battery of the present invention includes a nonaqueous electrolyte and a positive electrode 13 that occludes lithium ions reversibly. The positive electrode 13 includes active material layers 13b and a sheet-like collector 13a that supports the active material layers 13b. The collector 13a contains aluminum and at least one element other than aluminum. The average composition that is obtained by averaging the ratio of the elements composing the collector 13a in the direction of the thickness of the collector 13a is equal to the composition of an alloy whose liquidus temperature is 630° C. or lower. The present invention makes it possible to prevent heat from being generated due to an internal short circuit in the nonaqueous electrolyte secondary battery.

Abstract: A method and apparatus for the accumulation and storage of energy in electrically reversible manner wherein a two chamber electrochemical cell(a single one or part of an array of such cells) has an electrolyte of common specie solutions in the multi-chambers associated with cell electrodes and application of voltage to the electrodes causes dissimilar concentrations of ions in two chambers so that the energy is stored and reversing polarity of the electrodes allows energy discharge and normalization of concentration. Materials may be reversibly stored in the cell as solids when exceeding the solubility limits of the electrolyte, such storage being done preferably at porous electrode surfaces.

Abstract: A process for forming a protective layer on a metal surface includes the steps of: providing a metal material having an oxygen containing layer; applying at least two compounds to the oxygen containing layer of the metal material wherein a first compound applied is a molecularly large compound; and applying at least a second compound to the oxygen containing layer of the metal material wherein the second compound is molecularly small.

Abstract: A lithium rechargeable battery includes a positive electrode that intercalates and deintercalates lithium and a negative electrode that intercalates and deintercalates lithium and has a current collector including Cu or a Cu alloy. In addition, the battery includes a separator interposed between the positive electrode and the negative electrode, and an electrolyte that transfers lithium ions.