Patent application number | Description | Published |
20090269666 | Lightweight, Durable Lead-Acid Batteries - A lightweight, durable lead-acid battery is disclosed. Alternative electrode materials and configurations are used to reduce weight, to increase material utilization and to extend service life. The electrode can include a current collector having a buffer layer in contact with the current collector and an electrochemically active material in contact with the buffer layer. In one form, the buffer layer includes a carbide, and the current collector includes carbon fibers having the buffer layer. The buffer layer can include a carbide and/or a noble metal selected from of gold, silver, tantalum, platinum, palladium and rhodium. When the electrode is to be used in a lead-acid battery, the electrochemically active material is selected from metallic lead (for a negative electrode) or lead peroxide (for a positive electrode). | 10-29-2009 |
20110052998 | SULFUR-CARBON NANOCOMPOSITES AND THEIR APPLICATION AS CATHODE MATERIALS IN LITHIUM-SULFUR BATTERIES - The invention is directed in a first aspect to a sulfur-carbon composite material comprising: (i) a bimodal porous carbon component containing therein a first mode of pores which are mesopores, and a second mode of pores which are micropores; and (ii) elemental sulfur contained in at least a portion of said micropores. The invention is also directed to the aforesaid sulfur-carbon composite as a layer on a current collector material; a lithium ion battery containing the sulfur-carbon composite in a cathode therein; as well as a method for preparing the sulfur-composite material. | 03-03-2011 |
20110294008 | Lightweight, Durable Lead-Acid Batteries - A lightweight, durable lead-acid battery is disclosed. Alternative electrode materials and configurations are used to reduce weight, to increase material utilization and to extend service life. The electrode can include a current collector having a buffer layer in contact with the current collector and an electrochemically active material in contact with the buffer layer. In one form, the buffer layer includes a carbide, and the current collector includes carbon fibers having the buffer layer. The buffer layer can include a carbide and/or a noble metal selected from of gold, silver, tantalum, platinum, palladium and rhodium. When the electrode is to be used in a lead-acid battery, the electrochemically active material is selected from metallic lead (for a negative electrode) or lead peroxide (for a positive electrode). | 12-01-2011 |
20120082904 | HIGH ENERGY DENSITY ALUMINUM BATTERY - Compositions and methods of making are provided for a high energy density aluminum battery. The battery comprises an anode comprising aluminum metal. The battery further comprises a cathode comprising a material capable of intercalating aluminum ions during a discharge cycle and deintercalating the aluminum ions during a charge cycle. The battery further comprises an electrolyte capable of supporting reversible deposition and stripping of aluminum at the anode, and reversible intercalation and deintercalation of aluminum at the cathode. | 04-05-2012 |
20120082905 | HIGH ENERGY DENSITY ALUMINUM BATTERY - Compositions and methods of making are provided for a high energy density aluminum battery. The battery comprises an anode comprising aluminum metal. The battery further comprises a cathode comprising a material capable of intercalating aluminum or lithium ions during a discharge cycle and deintercalating the aluminum or lithium ions during a charge cycle. The battery further comprises an electrolyte capable of supporting reversible deposition and stripping of aluminum at the anode, and reversible intercalation and deintercalation of aluminum or lithium at the cathode. | 04-05-2012 |
20120125783 | REAL SPACE MAPPING OF IONIC DIFFUSION AND ELECTROCHEMICAL ACTIVITY IN ENERGY STORAGE AND CONVERSION MATERIALS - A method and system for probing mobile ion diffusivity and electrochemical reactivity on a nanometer length scale of a free electrochemically active surface includes a control module that biases the surface of the material. An electrical excitation signal is applied to the material and induces the movement of mobile ions. An SPM probe in contact with the surface of the material detects the displacement of mobile ions at the surface of the material. A detector measures an electromechanical strain response at the surface of the material based on the movement and reactions of the mobile ions. The use of an SPM tip to detect local deformations allows highly reproducible measurements in an ambient environment without visible changes in surface structure. The measurements illustrate effective spatial resolution comparable with defect spacing and well below characteristic grain sizes of the material. | 05-24-2012 |
20130210610 | METHOD OF PREPARING PRECIOUS METAL NITRIDE NANOPARTICLE COMPOSITIONS - A method of preparing a precious metal nitride nanoparticle composition, includes the step of ionizing nitrogen in the gas phase to create an active nitrogen species as a plasma. An atomic metal species of the precious metal is provided in the gas phase. The active nitrogen species in the gas phase is contacted with the atomic metal species of the precious metal in the gas phase to form a precious metal nitride. The precious metal nitride is deposited on the support. Precious metal nanoparticle compositions are also disclosed. | 08-15-2013 |
20130295469 | LITHIUM SULFIDE COMPOSITIONS FOR BATTERY ELECTROLYTE AND BATTERY ELECTRODE COATINGS - Method of forming lithium-containing electrolytes are provided using wet chemical synthesis. In some examples, the lithium containing electrolytes are composed of β-Li | 11-07-2013 |
20140080009 | LITHIUM SULFIDE COMPOSITIONS FOR BATTERY ELECTROLYTE AND BATTERY ELECTRODE COATINGS - Method of forming lithium-containing electrolytes are provided using wet chemical synthesis. In some examples, the lithium containing electrolytes are composed of β-Li | 03-20-2014 |
20140106186 | LIPON COATINGS FOR HIGH VOLTAGE AND HIGH TEMPERATURE Li-ION BATTERY CATHODES - A lithium ion battery includes an anode and a cathode. The cathode includes a lithium, manganese, nickel, and oxygen containing compound. An electrolyte is disposed between the anode and the cathode. A protective layer is deposited between the cathode and the electrolyte. The protective layer includes pure lithium phosphorus oxynitride and variations that include metal dopants such as Fe, Ti, Ni, V, Cr, Cu, and Co. A method for making a cathode and a method for operating a battery are also disclosed. | 04-17-2014 |
20140106215 | HIGH ENERGY DENSITY SECONDARY LITHIUM BATTERIES - A lithium ion battery includes a positive electrode comprising carbon fibers, a binder composition with conductive carbon, and a lithium rich composition. The lithium rich composition comprises at least one selected from the group consisting of Li | 04-17-2014 |
20140308594 | GRADIENT POROUS ELECTRODE ARCHITECTURES FOR RECHARGEABLE METAL-AIR BATTERIES - A cathode for a metal air battery includes a cathode structure having pores. The cathode structure has a metal side and an air side. The porosity decreases from the air side to the metal side. A metal air battery and a method of making a cathode for a metal air battery are also disclosed. | 10-16-2014 |
20150056496 | LITHIUM-CONDUCTING SULFUR COMPOUND CATHODE FOR LITHIUM-SULFUR BATTERIES - A lithium sulfur cell has a cathode including Li | 02-26-2015 |