A self-supporting supercapacitor electrode adapted for attachment to an electrical circuit characterised by comprising a rigid or mechanically resilient, electrically-conductive sheet consisting essentially of a matrix of from 70-90% by weight of activated carbon and 5 to 25% by weight conductive carbon uniformly dispersed in from 5 to 20% by weight of a polymer binder.
H01G 11/38 - Carbon pastes or blendsBinders or additives therein
H01G 11/24 - Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosityElectrodes characterised by the structural features of powders or particles used therefor
An apparatus for charging one or more capacitors from a battery (18) comprising a DC-DC converter (130) coupleable between the battery (18) and the one or more capacitors (122). The apparatus is arranged to draw a supply current from the battery (18) and supply a charging current to the one or more capacitors (122). The DC-DC converter (130) determines a supply power drawn from the battery (18) and alters the supply current drawn from the battery (18) dependent upon the determined supply power. A corresponding method is also disclosed.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
B60L 50/40 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
H02M 3/07 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode
An apparatus for charging one or more capacitors from a battery (18) comprising a DC-DC converter (130) coupleable between the battery (18) and the one or more capacitors (122). The apparatus is arranged to draw a supply current from the battery (18) and supply a charging current to the one or more capacitors (122). The DC-DC converter (130) determines a supply power drawn from the battery (18) and alters the supply current drawn from the battery (18) dependent upon the determined supply power. A corresponding method is also disclosed.
A composite structure for an electric energy storage device is envisioned. The structure is made of a metal substrate and a metal oxide layer disposed over a majority of the metal substrate with the metal oxide layer being comprised of a first and second metals. Carbon nanotubes are disposed on the metal oxide layer. In an embodiment the first metal and the second metal are each selected from a group consisting of: iron, nickel, aluminum, cobalt, copper, chromium, and gold.
C23C 8/42 - Solid state diffusion of only non-metal elements into metallic material surfacesChemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions only one element being applied
C23C 16/50 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
H01G 11/28 - Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features arranged or disposed on a current collectorLayers or phases between electrodes and current collectors, e.g. adhesives
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.
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 toat 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 powerand • a controller for managing the performance of the device and switching between energy- harvesting and energy-utilisation modes. The device is especially use for deployment in the wing of an aircraft to utilised triboelectric charge generated thereon.
An electrical device is provided. It is characterised by comprising: • at least one operative element for performing the assigned duty of the device; • a supercapacitor comprised of nano-carbon containing electrodes, an ionic liquid electrolyte and an ion-permeable membrane for powering the operative element and/or recharging an associated battery; • a charging circuit for recharging the supercapacitor by means of an external source of power; • a control circuit for controlling operation of the operative element; • a monitoring circuit for monitoring one or more parameters characteristic of the performance of the supercapacitor and/or the operative element and for generating corresponding status information; • a transmitter for transmitting a first signal comprising the status information to a remote receiving location and • a receiver for receiving a second signal from the remote receiving location comprising instructions to be acted on by the control unit and optionally the operative element.
H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
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.
H01G 11/82 - Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
H01G 11/08 - Structural combinations, e.g. assembly or connection, of hybrid or EDL capacitors with other electric components, at least one hybrid or EDL capacitor being the main component
A self-supporting supercapacitor electrode adapted for attachment to an electrical circuit characterised by comprising a rigid or mechanically resilient, electrically-conductive sheet consisting essentially of a matrix of from 70-90% by weight of activated carbon and 5 to 25% by weight conductive carbon uniformly dispersed in from 5 to 20% by weight of a polymer binder.
H01G 11/24 - Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosityElectrodes characterised by the structural features of powders or particles used therefor
H01G 11/38 - Carbon pastes or blendsBinders or additives therein
H01G 11/86 - Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
12.
WEARABLE ELECTRONIC DEVICE INCLUDING A SUPERCAPACITOR
A wearable electronic device is provided and comprises: ⋅ an assembly for carrying out the intended use of the device including a microprocessor and ⋅ a strap by means of which the assembly can be attached to the body of the wearer characterised in that the strap includes at least one supercapacitor comprised of nanocarbon-containing electrodes and/or ionic liquid electrolytes and a first connector adapted to connect an external electrical power source to the supercapacitor for purposes of recharging.
09 - Scientific and electric apparatus and instruments
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Capacitors; batteries; storage cells. Energy production; generation of energy; production of
energy; energy (production of-); consultancy services
relating to the generation of electrical power; electricity
generating; electricity generation; generating of
electricity; generation of electricity; generation of
electrical power using carbon sequestration; generation of
power. Advisory services relating to scientific research; advisory
services relating to scientific instruments; chemical
engineering; chemical technological research; scientific
research and development; consultancy in the field of
scientific research; design and development of regenerative
energy generation systems; advisory services relating to
energy efficiency; research in the field of energy; advisory
services relating to the use of energy; consultancy relating
to technological services in the field of power and energy
supply; development of energy and power management systems;
energy-saving (consultancy in the field of -); preparation
of reports relating to technical research; preparation of
reports relating to scientific research; providing science
technology information; provision of information relating to
scientific research; providing technical advice relating to
energy-saving measures; research and development services;
research and development of new products; research and
development for others; research relating to science;
research (scientific -); research to develop new products;
scientific research services; scientific advisory services;
scientific and industrial research; scientific research and
analysis; scientific and technological design; scientific
consultancy; scientific services and design relating
thereto; technical consultancy relating to product
development; technical research; advisory services relating
to industrial design; consumer product design; custom design
services; design and development of new technology for
others; design and development of new products; design and
testing of new products; design and testing for new product
development; design (industrial -); design of industrial
products; design of products; development (research and -)
of products; new product design; new products (design of -);
product design and development; product research and
development.
A method of reducing outgassing in a supercapacitor comprised of carbon-containing electrodes and at least one ionic liquid is characterised by the steps of (a) contacting the carbon-containing electrodes with a tetrafluoroborate salt; (b) applying a potential difference across the carbon-containing electrodes whilst in contact with the salt in a cycle during which electrical charge is stored on and discharged from the electrodes; and (c) continuing further cycles of step (b) until such time as substantially no further outgassing from the system occurs.
A method of reducing outgassing in a supercapacitor comprised of carbon-containing electrodes and at least one ionic liquid is characterised by the steps of (a) contacting the carbon-containing electrodes with a tetrafluoroborate salt; (b) applying a potential difference across the carbon- containing electrodes whilst in contact with the salt in a cycle during which electrical charge is stored on and discharged from the electrodes; and (c) continuing further cycles of step (b) until such time as substantially no further outgassing from the system occurs.
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.
H01G 11/62 - Liquid electrolytes characterised by the solute, e.g. salts, anions or cations therein
H01G 11/14 - Arrangements or processes for adjusting or protecting hybrid or EDL capacitors
H01G 11/18 - Arrangements or processes for adjusting or protecting hybrid or EDL capacitors against thermal overloads, e.g. heating, cooling or ventilating
H01G 11/36 - Nanostructures, e.g. nanofibres, nanotubes or fullerenes
A portable battery-powered electronic device including a battery, a microprocessor and a display screen is provided. The device is characterised in that it further includes an integral rechargeable battery-charging unit connected to the battery comprising: a supercapacitor comprised of one or more sheets of graphene or a graphene-containing material; a power module adapted to provide up to 40 amps to the supercapacitor from a source of alternating current rated at 100 volts or above; an output converter adapted to deliver direct current power from the supercapacitor to the battery; and a control module adapted to control the delivery of the direct current power from the supercapacitor to the battery. Also provided is a device in which an integral rechargeable unit is the sole source of power of the device.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
G06F 1/16 - Constructional details or arrangements
G06F 1/26 - Power supply means, e.g. regulation thereof
H01G 11/08 - Structural combinations, e.g. assembly or connection, of hybrid or EDL capacitors with other electric components, at least one hybrid or EDL capacitor being the main component
H01G 11/36 - Nanostructures, e.g. nanofibres, nanotubes or fullerenes
H01G 11/62 - Liquid electrolytes characterised by the solute, e.g. salts, anions or cations therein
A portable battery-powered electronic device including a battery, a microprocessor and a display screen is provided. The device is characterised in that it further includes an integral rechargeable battery-charging unit connected to the battery comprising: a supercapacitor comprised of one or more sheets of graphene or a graphene-containing material; a power module adapted to provide up to 40 amps to the supercapacitor from a source of alternating current rated at 100 volts or above; an output converter adapted to deliver direct current power from the supercapacitor to the battery; and a control module adapted to control the delivery of the direct current power from the supercapacitor to the battery. Also provided is a device in which an integral rechargeable unit is the sole source of power of the device.
A rechargeable battery charger is provided and is characterized by comprising a supercapacitor comprised of one or more sheets of graphene or a graphene-containing material, a power module adapted to provide a current up to 40 amps to the supercapacitor from a source of alternating current rated at 100 volts or above, an output converter adapted to deliver direct current power from the supercapacitor to an output port for connecting to a battery-powered electrical device, and a control module adapted to control various functions of the rechargeable battery charger automatically and/or for managing and regulating a variable output from the supercapacitor. The rechargeable battery charger is especially useful for recharging portable electrical devices such as smartphones, tablets, laptops or similar hand-held or worn items.
H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
H01G 11/08 - Structural combinations, e.g. assembly or connection, of hybrid or EDL capacitors with other electric components, at least one hybrid or EDL capacitor being the main component
H01G 11/36 - Nanostructures, e.g. nanofibres, nanotubes or fullerenes
A rechargeable battery charger is provided and is characterised by comprising; • a supercapacitor comprised of one or more sheets of graphene or a graphene containing material; • a power module adapted to provide up to 40 amps to the supercapacitor from a source of alternating current rated at 100 volts or above; • an output converter adapted to deliver direct current power from the supercapacitor to an output port for connecting to a battery-powered electrical device and 10 • a control module adapted to control the charger's various functions automatically and/or for managing and regulating a variable output from the supercapacitor. The charger is especially useful for recharging portable electrical devices such as smartphones, tablets, laptops or similar hand-held or worn items.
A composite electrode structure and methods of making and using thereof are disclosed. The structure has a metal substrate with a metal oxide layer. The average thickness of the metal oxide layer is less than 150 nm, and comprises at least a first metal and a second metal, wherein the first metal and the second metal are different elements. A plurality of carbon nanotubes is disposed on a first surface of the metal oxide layer. At least a portion of the carbon nanotubes are disposed such that one end of the carbon nanotube is positioned at least 5 nm below the surface of the metal oxide layer.
Embodiments of the present invention are directed to an energy storage device and a method for manufacturing the energy storage device. The method includes accessing a metal substrate and forming plurality of carbon nanotubes (CNTs) directly on a metal substrate. The method further includes removing substantially all amorphous carbon from said plurality of CNTs and coupling the plurality of CNTs to an electrolytic separator.
