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US20130224610 Electrolyte Replenishing System And Method  
A battery system includes a battery including an anode, a cathode, and a liquid electrolyte; and a conduit communicating to the battery an electrolyte liquid having an electrolyte salt density...
US20100062295 Fuel cell system and air supply method thereof  
A stable air supply system in a fuel cell system produces heat and electricity by combining hydrogen modified from a major raw material selected from various hydrogen compounds, with oxygen...
US20140178778 FUEL CELL SYSTEM  
The object is to suppress degradation of the durability of an electrolyte membrane caused by deformation by expansion and contraction of the electrolyte membrane. A controller 150 calculates a...
US20130115533 FILTER FOR ELECTROCHEMICAL CELL  
An electrochemical cell system is configured to utilize an ionically conductive liquid flowing through a plurality of electrochemical cells. One or more hydrophilic filters for venting of gas from...
US20120156573 FUEL CELL WITH MONOLITHIC ELECTROLYTES MEMBRANE ASSEMBLY  
The invention relates to a fuel cell (1) comprising an anode (10) capable of oxidizing a first compound M1 into first ions M(m+) with m being a non-zero integer,a first electrolyte (20) which is...
US20130108935 ZINC-WATER BATTERY AND SYSTEM  
Systems for batteries or galvanic cells are disclosed. The system comprises a mixing chamber. The system further comprises a first reservoir, in fluid communication with a mixing chamber, the...
US20150017556 REDOX FLOW BATTERY SYSTEM AND CONTROL METHOD FOR THE SAME  
Disclosed are a redox flow battery system and a control method for the same. In the redox flow battery system, an oxidation number is controlled by injecting at least one of an oxidant and a...
US20130034781 ELECTROLYTE SYSTEM FOR METAL-AIR BATTERIES AND METHODS OF USE THEREOF  
This invention is directed to electrolyte systems for metal-air electrochemical power sources, particularly Al-Air batteries and fuel cells with alkaline electrolyte, methods of increasing the...
US20110223496 FUEL CELL STACK SYSTEM, CHANNEL STRUCTURE, FUEL CELL, ELECTRODE AND ELECTRONIC DEVICE  
A fuel cell stack system is configured to uniformly supply a fuel or an electrolytic solution to each of fuel cell elements, and an electronic device using the fuel cell stack system are provided....
US20130130133 Nanofiber Supported Catalysts As Membrane Additives For Improved Fuel Cell Durability  
A fuel cell membrane and a method of making the same. The membrane includes at least one non-reinforced layer and at least one reinforced layer. Both layers include a proton-conductive ionomer,...
US20150050570 PRODUCTION OF VANADIUM ELECTROLYTE FOR A VANADIUM FLOW CELL  
A Vanadium chemistry flow cell battery system is described. Methods of forming the electrolyte, a formulation for the electrolyte, and a flow system utilizing the electrolyte are disclosed. In...
US20120052404 ELECTROCHEMICAL CELL WITH ADDITIVE MODULATOR  
The present invention relates to an electrochemical cell for generating electrical power that includes an anode, a cathode, a charging electrode and an ionically conductive medium containing at...
US20110236774 System for Pre-Activation of Polymer Electrolyte Fuel Cell (PEFC)  
An apparatus for pre-activation of a polymer electrolyte fuel cell includes a first plate and a second plate hot pressing the unit cell stack, each having a flow channel supplying water vapor to...
US20140255804 CATHOLYTE REGENERATION  
There is provided a method of regenerating a catholyte solution in a redox fuel cell, comprising the steps of: providing a redox fuel cell comprising a catholyte solution; providing droplet...
US20140363747 METHOD AND SYSTEM FOR REBALANCING ELECTROLYTES IN A REDOX FLOW BATTERY SYSTEM  
A method of rebalancing electrolytes in a redox flow battery system comprises directing hydrogen gas generated on the negative side of the redox flow battery system to a catalyst surface, and...
US20100092813 Thermal Control of a Flow Cell Battery  
A flow battery with thermal management is presented. The flow battery is housed in an enclosure where fluid is uniformly circulated about holding tanks of electrolyte to control the temperature...
US20110244340 MEMBRANE ELECTRODE ASSEMBLIES WITH HYDROGEN PEROXIDE DECOMPOSITION CATALYST  
A membrane electrode assembly includes an anode including a hydrogen oxidation catalyst; a cathode; a membrane disposed between the anode and the cathode; and a peroxide decomposition catalyst...
US20150024293 GAS DIFFUSION LAYER AND MEMBRANE ELECTRODE ASSEMBLY INCLUDING GAS DIFFUSION LAYER, AND METHOD OF REGENERATING MEMBRANE ELECTRODE ASSEMBLY  
Membrane electrode assembly is provided that includes an electrolyte membrane; an electrode catalytic layer including nanostructured elements having acicular micro structured support whiskers...
US20100086817 WATER RETENTION AND GAS INGESTION CONTROL FOR A FUEL CELL  
A fuel cell includes a water transport plate providing a water flow field. The water flow field includes water having gas. A vent is in fluid communication with the water flow field. The vent...
US20100304229 PROTON CONDUCTOR, ELECTROCHEMICAL CELL AND METHOD OF MANUFACTURING PROTON CONDUCTOR  
A proton conductor includes a main constituent element. A part of the main constituent element is substituted by a transition metal. Valence of the transition metal is variable between valence of...
US20090087716 NANOTUBE ASSEMBLY, BIPOLAR PLATE AND PROCESS OF MAKING THE SAME  
One embodiment of the invention includes an assembly of metal oxide comprising valve metal oxide nanotubes.
US20130171529 METHOD FOR ACTIVATING FUEL CELL  
In a solid polymer electrolyte fuel cell, a potential is swept to obtain a cyclic voltammogram. The activation treatment is completed when any of conditions (a) to (c) is satisfied. (a): the peak...
US20140370402 ELECTROLYTE GENERATION WITHIN A FUEL CELL  
An exemplary method of providing an electrolyte for a fuel cell comprises including a electrolyte precursor within a fuel cell. An electrolyte is generated within the fuel cell from the precursor....
US20120244448 Rapid Thermal Processing for SOFC Manufacturing  
Methods of heat treating at least one component of a solid oxide fuel cell (SOFC) system. The method includes heating the at least one component with a rapid thermal process, wherein the rapid...
US20090068528 HEAT TREATMENT OF PERFLUORINATED IONOMERIC MEMBRANES  
A process for the conditioning of fully hydrated fluorinated membranes. The hydrated membrane is heated while under pressure, and allowed to cool before the pressure is released.
US20140234734 REVERSIBLE FUEL CELL AND REVERSIBLE FUEL CELL SYSTEM  
A reversible fuel cell includes a positive electrode containing manganese dioxide, a negative electrode containing a hydrogen storage material, a separator disposed between the positive electrode...
US20120308903 Novel Catalyst Mixtures  
Catalysts that include at least one catalytically active element and one helper catalyst can be used to increase the rate or lower the overpotential of chemical reactions. The helper catalyst can...
US20120225361 COMPOSITE PROTON CONDUCTING ELECTROLYTE WITH IMPROVED ADDITIVES FOR FUEL CELLS  
Additives can be used to prepare polymer electrolyte for membrane electrode assemblies in polymer electrolyte fuel cells in order to improve both durability and performance. The additives are...
US20150056525 METHOD FOR PREPARING ELECTROLYTE FOR VANADIUM REDOX FLOW BATTERY USING VANADIUM OXIDE  
According to the method for preparing an electrolyte for a vanadium redox flow battery, one electrolyte can be used as both the positive electrolyte and the negative electrolyte, by preparing an...
US20090252996 Conveying Device for Conveying Single Separator Plates for Fuel Cells  
There is provided a conveying method for attracting and conveying separators for a fuel cell, from a stack of the separators, one at a time. According to the conveying method, when a separator...
US20080280169 Nanowire structures comprising carbon  
The present invention is directed to nanowire structures and interconnected nanowire networks comprising such structures, as well as methods for their production. The nanowire structures comprise...
US20120121994 Membrane And Catalyst Composite For Membrane Electrode Assembly  
A membrane and catalyst composite includes an ion-conducting membrane having a surface for the passage of ions, and having a near boundary layer that includes the surface and extends a distance...
US20150099199 Battery with Heterogeneous Flow-Through Porous Electrodes  
The invention discloses general apparatus and methods for electrochemical energy conversion and storage via a membraneless laminar flow battery. In a preferred embodiment, the battery includes a...
US20120225360 METHOD FOR OPERATING A FUEL CELL  
The present invention relates to a process for operating a fuel cell, especially for operating a fuel cell in which the electrolyte responsible for the proton conduction is volatile. By means of...
US20140302408 ADDITIVES FOR HYDROGEN/BROMINE CELLS  
The invention relates to the use of 1-alkyl-2-alkyl pyridinium halide (e.g., 1-ethyl-2-methyl pyridinium bromide), 1-alkyl-3-alkyl pyridinium halide (e.g., 1-ethyl-3-methyl pyridinium bromide) or...
US20120077100 ELECTROCHEMICAL CELLS UTILIZING TAYLOR VORTEX FLOWS  
Electrochemical cells (10), such as fuel cells (12) and fuel reformers (14), with rotating elements or electrodes (34, 24) that generate Taylor Vortex Flows (28, 50) and Circular Couette Flows...
US20100330439 Electrochemical cells utilizing Taylor Vortex Flows  
Electrochemical cells (10), such as fuel cells (12) and fuel reformers (14), with rotating elements or electrodes (34, 24) that generate Taylor Vortex Flows (28, 50) and Circular Couette Flows...
US20150031124 SEPARATOR  
The present invention concerns in one aspect a separator for separating the gas and liquid phases of a foam and, in another aspect, a foam reducing apparatus. The separator comprises a first side...
US20150180071 FUEL CELLS FOR USE AT ELEVATED TEMPERATURES AND PRESSURES  
This invention provides a redox fuel cell comprising an anode and a cathode separated by an ion selective polymer electrolyte membrane; means for supplying a fuel to the anode region of the cell;...
US20140287329 AIR BATTERY SYSTEM  
In an air battery system, a decrease in power output and an increase in inner pressure during discharge are prevented even when deposition of the reaction product increases with the discharge and...
US20120189922 METHOD FOR OPERATING A FUEL CELL, AND A CORRESPONDING FUEL CELL  
The present invention relates to a process for operating a fuel cell, especially for operating a fuel cell in which the electrolyte responsible for the proton conduction is volatile. By means of...
US20140004432 MEMBRANE ELECTRODE ASSEMBLIES AND FUEL CELLS WITH LONG LIFETIME  
The present invention relates to improved membrane electrode assemblies and fuel cells with long lifetime, comprising two electrochemically active electrodes separated by a polymer electrolyte...
US20120135320 MANUFACTURING METHOD OF CATHODE ELECTRODE FOR FUEL CELLS AND CATHODE ELECTRODE FOR FUEL CELLS  
A manufacturing method for a cathode electrode including: (1) mixing a polymerizable electrolyte precursor having an alkylsulfonic acid group and a group represented by (R1O)3Si—, with a first...
US20120231355 POLYMER ELECTROLYTE MEMBRANE FOR A FUEL CELL, AND METHOD FOR PREPARING SAME  
The present disclosure relates to a polymer electrolyte membrane having a construction wherein an ionomer is charged in pores of a nanoweb having a high melting point, being insoluble in an...
US20090181266 Method for Preparation of Transition Metal Electroplated Porous Carbon Nanofiber Composite for Hydrogen Storage  
There is provided a method for preparation of a transition metal electroplated porous carbon nanofiber composite for hydrogen storage. Specifically, the preparation method of a transition metal...
US20140170510 SYSTEM AND METHOD FOR RECOVERING PERFORMANCE OF FUEL CELL  
A method for recovering performance of a degraded polymer electrolyte fuel cell stack through electrode reversal. In detail, oxide films formed on the surface of platinum of a cathode is removed...
US20130196238 METHODS FOR CONTINUOUS DIRECT CARBON FUEL CELL OPERATION WITH A CIRCULATING ELECTROLYTE SLURRY  
The present invention relates to methods and systems related to fuel cells, and in particular, to direct carbon fuel cells. The methods and systems relate to cleaning and removal of components...
US20100092841 CORE / SHELL-TYPE CATALYST PARTICLES COMPRISING METAL OR CERAMIC CORE MATERIALS AND METHODS FOR THEIR PREPARATION  
The invention is directed to core/shell type catalyst particles comprising a Mcore/Mshell structure with Mcore=inner particle core and Mshell=outer particle shell, wherein the medium diameter of...
US20090117422 Balanced Humidity by Cross Coupling WVT and Stack Cathode Flow Paths  
A fuel cell system that includes a first fuel cell stack and a second fuel cell stack in a divided stack design. A first water vapor transfer unit is used to humidify the cathode inlet to the...
US20140295300 Acid Resistant, Monolithic Fuel Cell Cooler Assembly  
A composite plate (26) is formed in a mold (8) by placing one of two preforms (15, 23) of between about 80 wt.% and about 85 wt.% flake graphite, balance polymer binder, into the mold and...

Matches 1 - 50 out of 97 1 2 >