Patents Assigned to Oxcion Limited
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Patent number: 11777317Abstract: A system for delivering electrical energy to a chargeable unit of an electrically powered object characterised by comprising: •at least one input line for delivering electricity from a grid and/or a source of renewable electrical energy; •optionally a first converter disposed within the input line(s) for converting alternating current to direct current; •at least one reservoir of electrical energy connected to the input line(s) and including (a) a plurality of supercapacitors arranged in series or parallel and (b) a means for delivering an output voltage and current therefrom; •at least one second converter adapted to step-up or down the output voltage from the reservoir(s) to a charging voltage of the chargeable unit and •at least one dispensing means connected to the systems and adapted to cooperate with a corresponding connector means on the object to enable the charging voltage to charge the chargeable unit.Type: GrantFiled: March 20, 2019Date of Patent: October 3, 2023Assignee: Oxcion LimitedInventor: Stephen David Voller
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Patent number: 11715608Abstract: An energy-storage device is provided. It includes a charge-storing supercapacitor cell comprised of electrodes at least one of which includes a nano-carbon component, a ion-permeable membrane and an electrolyte characterised in that the cell is embedded or encapsulated in a flexible or rigid matrix.Type: GrantFiled: December 6, 2021Date of Patent: August 1, 2023Assignee: Oxcion LimitedInventors: Stephen David Voller, Hugh Liam Sutherland, Charles Resnick, Anthony Burn, Marappa Gounder Rajendran, Myrsini Kyriaki Antoniou
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Patent number: 11533001Abstract: A device for harvesting and storing triboelectric charge generated on an exterior surface of a moving vehicle is provided. It is characterised by comprising; a supercapacitor comprised of nano-carbon-containing electrodes; an ionic liquid electrolyte and at least one ion-permeable porous membrane; at least one first element exposed to aerodynamically-induced frictional forces acting thereon and on which the charge is caused to build up and connected to at least one of the electrodes of one polarity; at least one second element having a lower electrostatic potential than the charge-collecting element and connected to at least one of the electrodes of the other polarity; a voltage modification or impedance conversion circuit arranged between the first and/or second elements and the supercapacitor; means to connect the device to an operative component requiring electrical power and a controller for managing the performance of the device and switching between energy-harvesting and energy-utilisation modes.Type: GrantFiled: June 28, 2018Date of Patent: December 20, 2022Assignee: Oxcion LimitedInventors: Stephen David Voller, Charles Resnick, Anthony Brun, Hugh Liam Sutherland, Marappa Gounder Rajendran
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Patent number: 11244791Abstract: Provided herein is a rechargeable power source that can be quickly charged and used for charging mobile and cordless devices. The power source includes an ultracapacitor which comprises a composite structure including, for example open graphene structures or graphene nanoribbons attached to an oxide layer. The oxide layer is on a metal foil surface. The oxide layer includes more than one metal atom.Type: GrantFiled: July 26, 2018Date of Patent: February 8, 2022Assignee: Oxcion LimitedInventors: Cattien V. Nguyen, You Li, Darrell L. Niemann, Hoang Nguyen Ly, Philip A. Kraus
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Patent number: 11195669Abstract: An energy-storage device is provided. It includes a charge-storing supercapacitor cell comprised of electrodes at least one of which includes a nano-carbon component, a ion-permeable membrane and an electrolyte characterised in that the cell is embedded or encapsulated in a flexible or rigid matrix.Type: GrantFiled: April 18, 2018Date of Patent: December 7, 2021Assignee: Oxcion LimitedInventors: Stephen David Voller, Hugh Liam Sutherland, Charles Resnick, Anthony Burn, Marappa Gounder Rajendran, Myrsini Kyriaki Antoniou
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Patent number: 11170946Abstract: The present invention provides a supercapacitor assembly which is characterised by comprising: a supercapacitor comprised of carbon-containing anode(s) and cathode(s), intermediate porous membrane(s) and an ionic liquid electrolyte; an electrical heater for heating the supercapacitor; and a thermostat for controlling the heater and maintaining the temperature of the ionic liquid at a temperature such that its viscosity is in the range 1 to 50 centipoise. In particular, there are provided supercapacitors which can operate at voltages greater than 3.5 v (for example, in the range 3.5 to 6 v) without significant long term redox degradation.Type: GrantFiled: May 8, 2019Date of Patent: November 9, 2021Assignee: Oxcion LimitedInventors: Stephen David Voller, Timothy Walder, Marappa Rajendran, Jonathan Tuck
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Patent number: 11164703Abstract: The present invention provides a supercapacitor assembly which is characterised by comprising: a supercapacitor comprised of carbon-containing anode(s) and cathode(s), intermediate porous membrane(s) and an ionic liquid electrolyte; an electrical heater for heating the supercapacitor; and a thermostat for controlling the heater and maintaining the temperature of the ionic liquid at a temperature such that its viscosity is in the range 1 to 50 centipoise. In particular, there are provided supercapacitors which can operate at voltages greater than 3.5v (for example, in the range 3.5 to 6v) without significant long term redox degradation.Type: GrantFiled: March 9, 2017Date of Patent: November 2, 2021Assignee: Oxcion LimitedInventors: Stephen David Voller, Timothy Walder, Marappa Rajendran, Jonathan Tuck