Assignee: AER Energy Resources, Inc.

Location: Smyrna, GA
No. of patents: 32

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Number	Title	Issue Date
6660418	Electrical device with removable enclosure for electrochemical cell A battery powered device providing in combination (1) a cell pack that includes one or more isolation passageways (diffusion tubes) positioned to protect metal-air cells of the battery pack from the ambient air when no air mover is active to force air to ...	12/09/2003
6475658	Air manager systems for batteries utilizing a diaphragm or bellows Air managers for metal-air batteries are described, utilizing a diaphragm or bellows to move air in and out of one or more air openings or to move air from an inlet to an outlet. The diaphragm or bellows may be reciprocated by a linear actuator, such as a...	11/05/2002
6464215	Vibration damping mount for a metal-air battery or the like A device for damping vibration in mounting vibration-prone devices, such as fans or other devices with moving parts. A fan may be mounted at the center of a spiral spring to prevent transmission of vibrations including sounds from the fan to a surrounding...	10/15/2002
6444609	Manganese-based oxygen reduction catalyst, metal-air electrode including said catalyst and methods for making the same A manganese based catalyst for use in a metal-air electrochemical cell wherein the catalyst is made by a sol-gel process. The sol-gel process creates catalyst particles that are submicron and easily distributed throughout the active layer of the electrode...	09/03/2002
6436564	Air mover for a battery utilizing a variable volume enclosure The metal-air battery includes an air mover mechanism located in the cathode plenum space of one or more metal-air cells. The air mover is an enclosure isolating the air cathode, with a mechanism for expanding and contracting the volume of the enclosure t...	08/20/2002
6428931	Methods for making oxygen reduction catalyst using micelle encapsulation and metal-air electrode including said catalyst A manganese based catalyst for use in a metal-air electrochemical cell wherein the catalyst is made by a micelle process and a method of producing the catalyst. An electrode comprising said catalyst and method of producing the electrode. The micelle encap...	08/06/2002
6365296	Convective air manager for metal-air battery An orientation independent metal-air power source utilizing convective airflow for enhancing power output for powering a load. A battery housing for enclosing at least one metal-air cell has an air cavity at each end. Between the two cavities is an elonga...	04/02/2002
6350537	Load responsive air door for an electrochemical cell A metal-air cell having a cell casing, an air electrode positioned within the cell casing, and means for providing air to the air electrode when a predetermined load is placed on the cell and for substantially isolating the air electrode when the load is ...	02/26/2002
6346341	Air delivery system with volume-changeable plenum for metal-air battery A ventilation system for a metal-air battery is disclosed. The metal-air battery has one or more air cathodes, one or more air pathways from the air cathode to a reactive gas source, a closure member associated with each of the air pathways to selectively...	02/12/2002
6342314	Geometry change diffusion tube for metal-air batteries A ventilation system for metal-air battery cells having collapsible isolation passageways for controlling ambient airflow to the oxygen electrode of the metal-air battery. The ventilation system has at least one inlet isolation passageway and at least one...	01/29/2002
6322913	Air manager control using cell load characteristics as auto-reference A metal-air battery with an air moving device controller to determine when a load is present on the battery and the extent of that load is described. The air moving device controller allows the operation of the air moving device for the battery to be resp...	11/27/2001
6291090	Method for making metal-air electrode with water soluble catalyst precursors A bifunctional air electrode for a rechargeable metal-air cell is made with water soluble oxygen reduction and oxygen evolution catalyst precursors. The resulting air electrode exhibits greater power output than a conventional air electrode....	09/18/2001
6265094	Anode can for a metal-air cell A metal-air cell with an anode container. The anode container is made from a reactive metal. The metal-air cell also has an absorbent layer with a first side and a second side. An electrolyte is substantially trapped within the absorbent layer. The first ...	07/24/2001
6242121	Primary metal-power source and ventilation system for the same A primary metal-air power source containing one or more metal-air cells incorporating an air manager in a power source housing of the power source. The power source provides intermittent use at high power levels over a long lifetime while demonstrating a ...	06/05/2001
6235418	Uniform shell for a metal-air battery stack An improved metal-air battery having a metal-air cell stack positioned within a substantially uniform shell. The metal-air cell stack includes an isolating passageway and a substantially oxygen-permeable, water impermeable shell....	05/22/2001
6221530	Mercury-free zinc anode for electromechanical cell and method for making same An anode for use in an electrochemical cell comprises a plate of non-particulate, mercury-free zinc metal and a coating of indium metal on at least a portion of the zinc plate surface. The anode is particularly useful in a rechargeable metal-air cell. The...	04/24/2001
6168877	Air-managing system for metal-air battery using resealable septum An air-managing system for metal-air battery includes resealable septum and one or more hollow needles. The septum separates air pathway into two segments. One segment is from air cathodes of the battery to the septum and the other is from the septum to t...	01/02/2001
6127060	Recharge catalyst with thin film low corrosion coating, metal-air electrode including said catalyst and methods for making said catalyst and electrode A catalyst composition for use in a rechargeable metal-air electrochemical cell comprises an oxygen evolution catalyst coated with a thin film deposition of a binder and an electrically conductive particulate material which is not corroded during charge. ...	10/03/2000
6087029	Water recovery using a bi-directional air exchanger for a metal-air battery A bi-directional air exchanger for a metal-air battery having a housing. The air exchanger includes an ambient air passageway for a first flow of air in a first direction, a battery exhaust passageway for a second flow of air in a second direction, and on...	07/11/2000
6069107	Recharge catalyst with thin film carbon coating, metal-air electrode including said catalyst and methods for making said catalyst and electrode A catalyst composition for use in a rechargeable metal-air electrochemical cell comprises an oxygen evolution catalyst coated with a thin film deposition of carbon. This catalyst is useful to make an air electrode which produces more power in a metal-air ...	05/30/2000
6068944	Air distributors for metal-air cells A ventilation system for one or more metal-air cells includes a distributor for uniformly distributing oxygen between oxygen electrodes in response to operation of an air moving device. The distributor may be further operative, or associated with one or m...	05/30/2000
6051328	Method and apparatus for joining metal-air cells Provided are metal-air cells for connecting to one another to form a battery stack. Two or more of the cells are joined by heat or chemical fusing to create the battery stack. Each of the metal-air cells have a case with an exterior surface and an interio...	04/18/2000
6049141	Device and a method allowing multiple batteries to share a common load The present invention provides a battery system, a device, and a method to allow multiple batteries with varying capacities and power capabilities to drive a common load. Furthermore, the present invention provides a method for adjusting the output curren...	04/11/2000
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
5985475	Membrane for selective transport of oxygen over water vapor and metal-air electrochemical cell including said membrane A permeable membrane comprising a gas permeable substrate film and a layer of a polymeric perfluoro compound on the substrate exhibits selective transport of oxygen over water vapor and a metal-air electrochemical cell comprising such a membrane has enhan...	11/16/1999
5919582	Diffusion controlled air vent and recirculation air manager for a metal-air battery A ventilation system for a metal-air battery having a housing for enclosing at least one metal-air cell. The housing has at least one air inlet opening and at least one air outlet opening. A fan is positioned to force air into the air inlet opening and ou...	07/06/1999
5920179	System and method for balancing charge cycles for batteries or multiple-cell battery packs A charging system and method are disclosed that provide balanced charge cycles for batteries or multiple-cell battery packs by using a controller, a charging source gate, multiple adjustable shunting devices and multiple charge monitors. During a virgin c...	07/06/1999
5891589	Method and apparatus for joining metal-air cells Provided are metal-air cells that each include a plurality of protruding connector members and a plurality of protruding mechanical stops. Two or more of the cells are joined to create a battery stack. Two cells are joined by heating connector members of ...	04/06/1999
5888664	Metal-air battery with a reactant air pathway A metal-air battery pack is disclosed for external assembly to a portable electronic device with a battery compartment. The battery pack electrically connects to the electronic device through an existing connector of the device that is located in the batt...	03/30/1999
5733677	Metal-air electrochemical cell with oxygen reservoir A metal-air electrochemical cell comprising an oxygen reservoir disposed in an air plenum adjacent the air cathode. The oxygen reservoir includes an oxygen binding compound characterized in that the oxygen binding compound reversibly binds oxygen and rele...	03/31/1998
5560999	Air manager system for recirculating reactant air in a metal-air battery An air manager is disclosed which recirculates reactant air in a battery and exchanges only a minimal amount of recirculated air for ambient air that is necessary to maintain a sufficient oxygen concentration in the battery. In the air manager, the reacta...	10/01/1996
5486429	Diffusion vent for a rechargeable metal-air cell The present invention provides a system for venting gas from within a case housing a metal-air cell having a cathode and an anode with a separator positioned therebetween. The cell has at least one gas vent on the anode side of the separator that extends ...	01/23/1996

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Assignee: AER Energy Resources, Inc.