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| Number | Title | Issue Date |
| 8158282 | Method of producing prelithiated anodes for secondary lithium ion batteries A method of producing a lithium-ion battery anode comprising: (a) providing an anode active material; (b) intercalating or absorbing a desired amount of lithium into this anode active material to produce a prelithiated anode active material; (c) comminuting the prel... | 04/17/2012 |
| 8048566 | Nickel hydroxide electrode for rechargeable batteries The nickel hydroxide particles for a nickel hydroxide electrode may be treated using an alkaline solution of a strong oxidizing agent such as sodium or potassium persulfate to modify the surface nickel hydroxide structure. The resulting modified surface structure ha... | 11/01/2011 |
| 7985503 | Method for preparing spherical nickelous hydroxide which is dopped and multiple metal oxides, and lithium ion secondary battery The invention relates to a method for preparing multiple metal oxides and intermediate compound, i.e. spherical nickelous hydroxide which is lopped. The intermediate compound is prepared by: mixing bivalent nickel salt, cobalt salt, ammonia water and ammonium salt t... | 07/26/2011 |
| 7816035 | Methods for production of zinc oxide electrodes for alkaline batteries A zinc electrode for use in alkaline batteries comprises a mixture of 0.425 to 1.55 volume parts of zinc oxide with a volume part of a metallic oxide chosen from the group consisting of: calcium oxide, barium oxide, and mixtures thereof, together with hydroxy-ethyl ... | 10/19/2010 |
| 7563538 | Nonaqueous electrolyte secondary battery In a nonaqueous electrolyte secondary battery 10 containing a positive electrode 11 having a positive electrode active material capable of intercalating and deintercalating lithium ion; a negative electrode 12 having a negative electrode active ... | 07/21/2009 |
| RE40727 | Alkaline cells having low toxicity rechargeable zinc electrodes A nickel zinc alkaline cell has a zinc oxide negative electrode supported on a conductive substrate, an alkaline electrolyte, and a positive electrode having nickel hydroxide paste supported on a conductive substrate. The negative zinc oxide electrode comprises 85% ... | 06/09/2009 |
| 7459238 | Positive electrode active material for lithium ion secondary battery Disclosed is a positive electrode active material for a lithium ion secondary battery, including lithium-transition metal composite oxide of a layer crystal structure, in which the lithium-transition metal composite oxide contains an element that improves conductivi... | 12/02/2008 |
| 7381498 | Positive electrode active material powder for lithium secondary battery To provide a lithium-nickel-cobalt-manganese composite oxide powder for a positive electrode of a lithium secondary battery, which has a large volume capacity density and high safety and is excellent in the charge and discharge cyclic durability. A positive electrod... | 06/03/2008 |
| 7300721 | Alkaline secondary electrochemical generators with a zinc anode The invention relates to secondary alkaline electrochemical generators with a zinc anode in an electrolyte, the active mass of said anode comprising at least one conductive ceramic. According to the invention, the electrolyte of the generator is made up of a highly-... | 11/27/2007 |
| 7255720 | Methods for production of zinc oxide electrodes for alkaline batteries A zinc electrode for use in alkaline batteries comprises a mixture of 0.425 to 1.55 volume parts of zinc oxide with a volume part of a metallic oxide chosen from the group consisting of: calcium oxide, barium oxide, and mixtures thereof, together with hydroxy-ethyl ... | 08/14/2007 |
| 7204862 | Packaged thin film batteries and methods of packaging thin film batteries A packaged battery (10) and method of producing such is provided having a thin film lithium battery cell (11) sealably encased within a packaging layer (12). The battery cell (11) includes a substrate (13), an anode (16), an... | 04/17/2007 |
| 7199997 | Asymmetric electrochemical supercapacitor and method of manufacture thereof An asymmetric supercapacitor has a positive electrode having a current collector an active material selected from the group consisting of manganese dioxide, silver oxide, iron sulfide and mixtures thereof, a negative electrode having a carbonaceous active material c... | 04/03/2007 |
| 7033555 | Low temperature lithiation of mixed hydroxides A low temperature contaminant limiting process for lithiating hydroxides and forming lithiated metal oxides of suitable crystalinity in-situ. M(OH)2 is added to an aqueous solution of LiOH. An oxidant is introduced into the solution which is heated below ... | 04/25/2006 |
| 7033700 | Formulation of zinc negative electrode for rechargeable cells having an alkaline electrolyte A zinc electrode is provided for use in electrochemical cells having an alkaline electrolyte and high cycle life. The zinc electrode comprises a mixture of zinc oxide together with an inorganic fibre which contains silica and alumina. Preferably, the composition of ... | 04/25/2006 |
| 7026068 | Positive electrode active material for lithium ion secondary battery Disclosed is a positive electrode active material for a lithium ion secondary battery, including lithium-transition metal composite oxide of a layer crystal structure, in which the lithium-transition metal composite oxide contains an element that improves conductivi... | 04/11/2006 |
| 7008566 | Oligo phosphate-based electrode active materials and methods of making same The invention provides an electrochemical cell which includes a first electrode and a second electrode which is a counter electrode to said first electrode, and an electrolyte material interposed there between. The first electrode includes an active material having ... | 03/07/2006 |
| 6991874 | Compositions suitable for electrochemical cells The compositions comprise: (a) from 1 to 99% by weight of a pigment (I) having a primary particle size of from 5 nm to 100 μm which is a solid Ia or a compound Ib which acts as cathode material in electrochemical cells or a compou... | 01/31/2006 |
| 6953639 | Heavy metal-free rechargeable zinc negative electrode for an alkaline storage cell A heavy metal-free rechargeable Zinc electrode for use in storage cells having alkaline electrolyte has been developed. The electrode includes a current collector and an active mass based on metallic zinc and zinc oxide powders, calcium hydroxide, indium hydroxide, ... | 10/11/2005 |
| 6919143 | Positive active material composition for lithium-sulfur battery and lithium-sulfur battery fabricated using same A positive active material composition for a lithium-sulfur battery includes a positive active material, a conductive agent, an organic mixing solvent to which solubility of sulfur is equals to or less than 50 mM, and a binder capable of dissolving in the organic mi... | 07/19/2005 |
| 6835499 | Negative electrode formulation for a low toxicity zinc electrode having additives with redox potentials positive to zinc potential A zinc electrode composition is provided for use in low toxicity, high energy density cells having alkaline electrolytes. The zinc electrode comprises zinc oxide, a binder, and from 0.1% up to 10% of a fluoride of an element chosen from the group consisting of silve... | 12/28/2004 |
| 6818350 | Alkaline cells having low toxicity rechargeable zinc electrodes A nickel zinc alkaline cell has a zinc oxide negative electrode supported on a conductive substrate, an alkaline electrolyte, and a positive electrode having nickel hydroxide paste supported on a conductive substrate. The negative zinc oxide electrode comprises 85% ... | 11/16/2004 |
| 6811926 | Formulation of zinc negative electrode for rechargeable cells having an alkaline electrolyte A zinc electrode is provided for use in electrochemical cells having an alkaline electrolyte and high cycle life. The zinc electrode comprises a mixture of zinc oxide together with an inorganic fiber which contains silica and alumina. Preferably, the composition of ... | 11/02/2004 |
| 6797433 | Negative electrode formulation for a low toxicity zinc electrode having additives with redox potentials negative to zinc potential A zinc electrode composition for use in low toxicity, high energy density cells having an alkaline electrolyte. The zinc electrode comprises zinc oxide, a binder, and from between 0.1 up to 10% of a fluoride of an element chosen from the group consisting of berylliu... | 09/28/2004 |
| 6790559 | Alkaline cells having positive nickel hydroxide electrodes with fluoride salt additives A nickel zinc alkaline cell has a zinc oxide negative electrode supported on a conductive substrate, an alkaline electrolyte, and a positive electrode having nickel hydroxide paste supported on a conductive substrate. The positive electrode further comprises 0.01% t... | 09/14/2004 |
| 6787265 | Positive and negative interactive electrode formulation for a zinc-containing cell having an alkaline electrolyte A nickel-zinc galvanic cell is provided, having a pasted zinc oxide negative electrode, a pasted nickel oxide positive electrode, and an alkaline electrolyte. Chemical additives are placed in each of the negative and positive electrodes. The positive nickel hydroxid... | 09/07/2004 |
| 6759170 | Organic carbonate additives for nonaqueous electrolyte rechargeable electrochemical cells A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. The stated benefits are realized by the addition of at least one carbonate additive to an electrolyte ... | 07/06/2004 |
| 6723469 | Alkaline battery without mercury and electronic apparatus powered thereby An alkaline battery comprises a negative electrode having an active material comprised of mercuryless zinc powder, and an electrolyte. In one embodiment, the electrolyte contains one or more indium compounds selected from the group consisting of indium sulfate, indi... | 04/20/2004 |
| 6649305 | Secondary electrochemical generators of the zinc-anode alkaline type Secondary electrochemical generators of the zinc-electrode alkaline type whose anode has a great capacity for cycling. The electrochemical generators according to the invention comprise zinc anodes made in such a manner as to increase within the active ma... | 11/18/2003 |
| 6582850 | Organic-inorganic composite as a cathode material for a secondary lithium battery and method for manufacturing the same The present invention provides a new organic-inorganic (PDMcT+PANI)/V2 O5 composites electrode material in which two different organic polymers are intercalated into the V2 O5 interlayer, which shows higher disc... | 06/24/2003 |
| 6582851 | Anode matrix An anode paste material for use in zinc-based batteries that is designed to reduce zinc ion diffusion and resultant electrode shape change as well as zinc dendrite formation while optionally allowing for hydrogen permeability through the matrix comprising... | 06/24/2003 |
| 6399245 | Electrochemical cell with an anode containing sulfur An electrochemical cell is provided that comprises an anode comprising a zinc alloy active material and elemental sulfur. Also provided is a method of making an electrochemical cell comprising the steps of providing a cathode, an electrolyte, and an anode... | 06/04/2002 |
| 6235428 | Enclosed alkali storage battery A sealed alkaline storage battery using, as a positive electrode active material, nickel oxyhydroxide including Mn as a solid-solution element and having a γ ratio of 65 through 100%; a sealed alkaline storage battery using, as a positive electrode activ... | 05/22/2001 |
| 6190801 | Sealed alkaline-zinc storage battery The invention provides a sealed alkaline-zinc storage battery including a tubular positive electrode containing, as an active material, a material having reversibility in a charge-discharge reaction; a separator; a negative electrode disposed within the t... | 02/20/2001 |
| 6028265 | Optical semiconductor electrode, photoelectric converting device, and photoelectric conversion method The photo-semiconducting electrode of the present invention comprises a semiconducting substrate, a chemically adsorbed film formed thereon composed of at least one compound selected from the compounds represented by the formulas: formulas (I) R1 | 02/22/2000 |
| 5993999 | Multi-layer current collector A current collector for an electrode with two halves. The current collector has a first layer positioned on the first half of the electrode, a second layer positioned on the second half of said electrode, and a third layer positioned between the first and... | 11/30/1999 |
| 5863676 | Calcium-zincate electrode for alkaline batteries and method for making same A zinc active material containing a calcium-zincate constituent is formed external of a battery. The zinc active material is used as the active material for a zinc electrode used in the battery.... | 01/26/1999 |
| 5773176 | Rechargeable alkaline silver-zinc cell with improved negative electrode Substantial improvements to the cycle life of silverzinc cells were obtained by the addition of small amounts of bismuth oxide (Bi2 O3) to the negative zinc electrode, in conjunction with cadmium oxide (CdO) and lead oxide (PbO). The... | 06/30/1998 |
| 5707761 | Nickel positive electrode and alkaline storage battery using the same An improved non-sintered type nickel positive electrode comprising a nickel hydroxide powder as an active material and a cobalt hydroxide powder for improving the utilization of the active material, and an alkaline storage battery configured with the posi... | 01/13/1998 |
| 5686204 | Gelling agent for alkaline electrochemical cells A potassium polyacrylate superabsorbent polymer made by modified bulk polymerization and characterized as described herein is a superior gelling agent when provided at a suitable concentration in a gelled anode for an alkaline electrochemical cell. Suitab... | 11/11/1997 |
| 5681672 | Alkali-zinc secondary battery An alkali-zinc secondary battery, employing zinc anode and alkali electrolyte solution comprising barium fluoride, which is much improved in cycle life as well as in efficiency of charge and discharge.... | 10/28/1997 |
