Abstract:
Embodiments of the invention relate to a charge indicator for determining the mass of a fluid contained within a fluid enclosure, including a charge indicator that responds to a deformation of a solid component in contact with a fluid contained within a fluid enclosure and wherein the deformation is a function of the mass of fluid contained within the fluid enclosure.
Abstract:
Embodiments of the invention relate to electrochemical cells and membranes including alternating electrically conductive and dielectric regions. One embodiment describes an ion-conducting composite layer for an electrochemical cell, including two or more electrically conductive components, each electrically conductive component having one or more electrically conductive passageways and one or more dielectric components, each dielectric component having one or more ion-conducting passageways. The electrically conductive components and the dielectric components are adjacently arranged to provide a fluidically impermeable composite layer.
Abstract:
Fuel cell covers, electronic systems and methods for optimizing the performance of a fuel cell system are disclosed. In the various embodiments, a fuel cell cover includes an interface structure proximate to one or more fuel cells. The interface structure is configured to affect one or more environmental conditions proximate to the one or more fuel cells. An electronic system includes an electronic device, one or more fuel cells operably coupled to the electronic device, and an interface structure proximate to the one or more fuel cells. The interface structure affects one or more environmental conditions near or in contact with the one or more fuel cells. A method includes providing a fuel cell layer, and positioning an interface layer proximate to the fuel cell layer.
Abstract:
The invention describes a fuel cell comprising two or more substrate components; an ion exchange membrane having at least two edges, and at least two of the edges in contact with at least a portion of one of the substrate components; two electrochemical reaction layers located on opposite sides of the ion exchange membrane, each electrochemical reaction layer having an inner surface at least partially in contact with the ion exchange membrane and an outer surface opposite the inner surface; two or more current-carrying structures, each current-carrying structure having at least one contact portion in electrical contact with an associated one of the electrochemical reaction layers and at least a portion of each current-carrying structure located inwardly from the inner surface of the associated electrochemical layer, wherein each current-carrying structure is substantially embedded in at least one substrate component. The invention further describes a method for operating an electrochemical cell.
Abstract:
The invention is a fuel cell made of a fuel plenum with fuel, an oxidant plenum with oxidant, a porous substrate communicating the fuel and oxidant plenum, a channel formed by the porous substrate, an anode, a cathode, electrolyte in a portion of the channel contacting the anode and the cathode preventing transfer of fuel to the cathode and preventing transfer of oxidan t to the anode, a first coating to prevent fuel from entering a portion of the porous substrate, a second coating to prevent oxidant from entering a portio n of the porous substrate, two sealant barriers, and a positive and negative electrical connection, wherein the invention also involves a multiple fuel cell layer structure, a bi-level fuel cell layer structure, and a method for making a fuel cell layer.
Abstract in simplified Chinese:本发明论述制造具有电流收集器之电化电池的方法,电流收集器至少部分位于触媒层之下。一种方法包括:图案化电流收集器以具有至少一个电解质开口;将电解质配置进入或通过该至少一开口;以及至少部分在经配置之电解质上配置触媒。视情况,该方法包括图案化一基板并且将经图案化之电流收集器附着于其各侧上。电流收集器之图案化可包含图案化一连续薄板,该连续薄板包括至少第一可分式电流收集器及第二可分式电流收集器。在一种此类实例中,图案化以无孔材料浸渍或层压之一连续碳纤维薄板。在另一种此类实例中,图案化以一或多个导电性粒子浸渍之一连续塑胶材料薄板。除了其它之外,电流收集器之图案可包含挤制之缝或可相邻配置的条状物。
Abstract:
Portable electronic devices such as portable telephones, portable computers and the like may obtain power from fuel cells that consume fuel from fuel reservoirs of the portable devices. A network of fueling stations permits users of portable devices to maintain the devices operational by frequently topping up the fuel reservoirs. Payment systems combine payments for fuel with larger payments for other transactions to avoid the overhead of processing individual payments for very small amounts.
Abstract:
Fuel cell covers, electronic systems and methods for optimizing the performance of a fuel cell system are disclosed. In the various embodiments, a fuel cell cover includes an interface structure proximate to one or more fuel cells. The interface structure is configured to affect one or more environmental conditions proximate to the one or more fuel cells. An electronic system includes an electronic device, one or more fuel cells operably coupled to the electronic device, and an interface structure proximate to the one or more fuel cells. The interface structure affects one or more environmental conditions near or in contact with the one or more fuel cells. A method includes providing a fuel cell layer, and positioning an interface layer proximate to the fuel cell layer.
Abstract:
Embodiments of the invention relate to an electrochemical cell system including a cover that affects reactant flow into an electrochemical cell array.
Abstract:
One aspect of the invention provides an ion-conducting membrane comprising an ion-conducting region and a non-ion-conducting region. The ion-conducting region is formed by a plurality of ion-conducting passageways that extend through the membrane. The passageways are filled with ion-conducting material and may be surrounded by non-ion conducting material. The membrane may comprise a substrate of non-ion-conducting material that is penetrated by openings, each opening providing a corresponding one of the passageways.