Patent application number | Description | Published |
20080241031 | Fast-regenerable sulfur dioxide adsorbents for diesel engine emission control - Disclosed herein are sorbents and devices for controlling sulfur oxides emissions as well as systems including such sorbents and devices. Also disclosed are methods for making and using the disclosed sorbents, devices and systems. In one embodiment the disclosed sorbents can be conveniently regenerated, such as under normal exhaust stream from a combustion engine, particularly a diesel engine. Accordingly, also disclosed are combustion vehicles equipped with sulfur dioxide emission control devices. | 10-02-2008 |
20090114093 | Methods, Systems, And Devices For Deep Desulfurization Of Fuel Gases - A highly effective and regenerable method, system and device that enables the desulfurization of warm fuel gases by passing these warm gasses over metal-based sorbents arranged in a mesoporous substrate. This technology will protect Fischer-Tropsch synthesis catalysts and other sulfur sensitive catalysts, without drastic cooling of the fuel gases. This invention can be utilized in a process either alone or alongside other separation processes, and allows the total sulfur in such a gas to be reduced to less than 500 ppb and in some instances as low as 50 ppb. | 05-07-2009 |
20090258215 | Bulk-Scaffolded Hydrogen Storage and Releasing Materials and Methods for Preparing and Using Same - Compositions are disclosed for storing and releasing hydrogen and methods for preparing and using same. These hydrogen storage and releasing materials exhibit fast release rates at low release temperatures without unwanted side reactions, thus preserving desired levels of purity and enabling applications in combustion and fuel cell applications. | 10-15-2009 |
20110039686 | Fast regeneration of sulfur deactivated Ni-based hot biomass syngas cleaning catalysts - A new regeneration method has been developed which can effectively and efficiently remove sulfur from Ni-based steam reforming catalysts. In its simplest form the present invention comprises the steps of oxidizing a catalyst with a dilute O | 02-17-2011 |
20110185899 | Methods for Abatement of Arsenic and Phosphorous Contaminants From Fuel Gases Prior to Gasification - Methods for abatement of antimony-containing, arsenic-containing and/or phosphorous-containing impurities in fuel gas that is derived from a carbonaceous source can include contacting the fuel gas with an absorbent comprising a capture compound. The capture compound has one or more alkali metals, one or more alkaline earth metals, or a combination of one or more alkali and alkaline earth metals. The fuel gas impurities are reacted with the capture compound, which can be used alone or dispersed on the adsorbent, at a temperature greater than or equal to approximately 300° C. to form solid capture products comprising antimony, arsenic, or phosphorous and the alkali or alkaline earth metal. | 08-04-2011 |
20120077067 | Fe-V Redox Flow Batteries - A redox flow battery having a supporting solution that includes Cl | 03-29-2012 |
20120077068 | Redox Flow Batteries Having Multiple Electroactive Elements - Introducing multiple redox reactions with a suitable voltage range can improve the energy density of redox flow battery (RFB) systems. One example includes RFB systems utilizing multiple redox pairs in the positive half cell, the negative half cell, or in both. Such RFB systems can have a negative electrolyte, a positive electrolyte, and a membrane between the negative electrolyte and the positive electrolyte, in which at least two electrochemically active elements exist in the negative electrolyte, the positive electrolyte, or both. | 03-29-2012 |
20120077079 | Redox Flow Batteries Based on Supporting Solutions Containing Chloride - Redox flow battery systems having a supporting solution that contains Cl | 03-29-2012 |
20120107660 | Redox Flow Batteries Based on Supporting Solutions Comprising a Mixture of Acids - Redox flow battery systems having a supporting solution that contains Cl” ions can exhibit improved performance and characteristics. Furthermore, a supporting solution having mixed SO | 05-03-2012 |
20120244406 | Iron-Sulfide Redox Flow Batteries - Iron-sulfide redox flow battery (RFB) systems can be advantageous for energy storage, particularly when the electrolytes have pH values greater than 6. Such systems can exhibit excellent energy conversion efficiency and stability and can utilize low-cost materials that are relatively safer and more environmentally friendly. One example of an iron-sulfide RFB is characterized by a positive electrolyte that comprises Fe(III) and/or Fe(II) in a positive electrolyte supporting solution, a negative electrolyte that comprises S | 09-27-2012 |
20120273393 | SYSTEMS AND PROCESSES FOR REMOVING ELEMENTAL SULFUR COMPOUNDS FROM DESULFURIZED FUELS - A system and process are disclosed for removing elemental sulfur compounds from hydro-desulfurization (HDS) treated hydrocarbon products including liquid hydrocarbon fuels. Low (sub-ppm) concentrations of sulfur remain in the hydrocarbons, providing, e.g., fuel products suitable for use in various modalities including, e.g., jet fuels and fuel cell Auxiliary Power Units (APUs). | 11-01-2012 |
20130266836 | Hybrid Energy Storage Systems Utilizing Redox Active Organic Compounds - Redox flow batteries (RFB) have attracted considerable interest due to their ability to store large amounts of power and energy. Non-aqueous energy storage systems that utilize at least some aspects of RFB systems are attractive because they can offer an expansion of the operating potential window, which can improve on the system energy and power densities. One example of such systems has a separator separating first and second electrodes. The first electrode includes a first current collector and volume containing a first active material. The second electrode includes a second current collector and volume containing a second active material. During operation, the first source provides a flow of first active material to the first volume. The first active material includes a redox active organic compound dissolved in a non-aqueous, liquid electrolyte and the second active material includes a redox active metal. | 10-10-2013 |
20130287663 | SYSTEM, SORBENTS, AND PROCESSES FOR CAPTURE AND RELEASE OF CO2 - A system, sorbent formulations, methods of preparation, and methods are described that provide selective sorption and release of CO | 10-31-2013 |
20140079976 | Iron-Sulfide Redox Flow Batteries - Iron-sulfide redox flow battery (RFB) systems can be advantageous for energy storage, particularly when the electrolytes have pH values greater than 6. Such systems can exhibit excellent energy conversion efficicency and stability and can utilize low-cost materials that are relatively safer and more environmentally friendly. One example of an iron-sulfide RFB is characterized by a positive electrolyte that comprises Fe(III) and/or Fe(II) in a positive electrolyte supporting solution, a negative electrolyte that comprises S | 03-20-2014 |
20140199607 | REDOX FLOW BATTERIES BASED ON SUPPORTING SOLUTIONS CONTAINING CHLORIDE - Redox flow battery systems having a supporting solution that contains Cl | 07-17-2014 |
20140234753 | REDOX FLOW BATTERIES BASED ON SUPPORTING SOLUTIONS CONTAINING CHLORIDE - Redox flow battery systems having a supporting solution that contains Cl | 08-21-2014 |
20140272482 | ELECTROLYTE PROTECTION COMPOSITIONS AND METHODS - A barrier on the surface of the negative electrolyte solution of a redox flow battery can decrease air oxidation of a charged species in the negative electrolyte solution and can decrease water loss from the negative electrolyte solution. A negative electrolyte tank including a barrier on the surface of the negative electrolyte can have many advantages, including simplified setup, low cost, and low maintenance. | 09-18-2014 |
20140272484 | ELECTROCHEMICAL CELL STACK HAVING A PROTECTIVE FLOW CHANNEL - Disclosed herein are improved electrochemical cell stacks having at least one protective channel on an end of the stack. Redox flow batteries (RFBs) containing the “protected” electrochemical cell stacks, and methods of operating such RFBs, are also provided. | 09-18-2014 |