Described herein are electrode active layers for energy conversion or storage devices, such as supercapacitors or batteries, and which comprise an active material and a binder comprising a salt of a sulfonated polymer. Also described herein are slurries for producing such active layers, composite electrodes comprising such active layers, and uses of such active layers in energy conversion or storage devices, as well as methods of making such active layers.
C08F 212/14 - Monomères contenant un seul radical aliphatique non saturé contenant un cycle substitué par des hétéro-atomes ou des groupes contenant des hétéro-atomes
An electric double layer capacitor (EDLC) device (1) for reflow soldering to a printed circuit board (PCB) (2). Device (1) includes a cylindrical thin-walled malleable aluminium housing (3) that extends between an open end (5) and a closed end (6). Housing (3) defines a circular opening (7) adjacent to end (5) and a cylindrical cavity (8) that extends away from opening (7) and which terminates at end (6). A cylindrical capacitor element (9) is received complementarily in cavity (8) and includes two carbon based electrodes (11, 12). A separator, in the form of two elongate paper-based separator sheets (13, 14) are alternated, and spiral wound together with electrodes (11, 12). Sheets (13, 14) maintain electrodes (11, 12) in a spaced apart and opposed configuration. An electrolyte impregnates electrodes (11, 12) as well as sheets (13, 14) and is contained within cavity (6) for allowing ionic conduction between electrodes (11, 12). The electrolyte has at 1 atm a freezing point of less than 0 °C and a boiling point of more than 200 °C. A sealing element, in the form of a rubber lid (15), extends over and seals opening (7). Two terminals (17, 18), in use, each extend between a first end (19) disposed in cavity (8) and a second end (20) disposed externally to cavity (8). Ends (19) are electrically connected to the respective electrodes (11, 12), and terminals (17, 18) extend through opening (7) such that ends (20) are available for electrical connection to PCB (2).
H01G 11/84 - Procédés de fabrication de condensateurs hybrides ou EDL ou de leurs composants
H01G 11/24 - Électrodes caractérisées par les propriétés structurelles des matériaux composant les électrodes ou inclus dans les électrodes, p. ex. forme, surface ou porositéÉlectrodes caractérisées par les propriétés structurelles des poudres ou particules utilisées à cet effet
H01G 11/32 - Électrodes caractérisées par leur matériau à base de carbone
H01G 11/38 - Pâtes ou mélanges de carboneLiants ou additifs
H01G 11/60 - Électrolytes liquides caractérisés par le solvant
H01G 11/76 - Bornes, p. ex. extensions des collecteurs de courant spécialement adaptées pour être intégrées dans des condensateurs hybrides ou EDL multiples ou empilés
H01G 11/82 - Fixation ou assemblage d’un élément capacitif dans un boîtier, p. ex. montage d’électrodes, de collecteurs de courant ou de bornes dans des récipients ou des encapsulations
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H05K 13/08 - Contrôle de la fabrication des ensembles
3.
A CURRENT LIMIT CIRCUIT FOR A SUPERCAPACITIVE DEVICE
System (2) includes a supercapacitive device (8) that is electrically connected across a starter (motor7) for supplying current to that motor during a starting sequence of engine (3). Device (8) includes a single sealed housing (9) that contains a plurality six substantially identical individual supercapacitive cells (10) which are connected in series to provide a total capacitance of 150 Farads and an equivalent series resistance(ESR) of 5 mOhms. Also contained within housing (9) is an active balance circuit (11) for maintaining substantially the same voltage across each of cells (10) to protect against overvoltage across the cells (10). In other embodiments circuit (11) is a passive balance circuit.
H02M 9/04 - Transformation d'une puissance d'entrée en courant continu ou courant alternatif en une puissance de sortie de choc avec une puissance d'entrée en courant continu en utilisant des condensateurs à accumulation
H02M 3/137 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type thyratron ou thyristor exigeant des moyens d'extinction utilisant uniquement des dispositifs à semi-conducteurs avec commande automatique de la tension ou du courant de sortie, p. ex. régulateurs à commutation
H02M 3/18 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs dynamiques utilisant des condensateurs ou des batteries alternativement chargés ou déchargés, p. ex. chargés en parallèle et déchargés en série
B60K 6/22 - Agencement ou montage de plusieurs moteurs primaires différents pour une propulsion réciproque ou commune, p. ex. systèmes de propulsion hybrides comportant des moteurs électriques et des moteurs à combustion interne les moteurs primaires étant constitués de moteurs électriques et de moteurs à combustion interne, p. ex. des VEH caractérisés par des appareils, des organes ou des moyens spécialement adaptés aux VEH
F02N 11/00 - Démarrage des moteurs au moyen de moteurs électriques
F02N 11/14 - Démarrage des moteurs par démarreurs électriques à source extérieure de courant
4.
A CONTROL SYSTEM FOR AN AUTOMOTIVE ENGINE AND A METHOD OF CONTROLLING AN AUTOMOTIVE ENGINE
An automotive engine (3) has a start-up state that occurs during a starting sequence and a run state when operating normally. A starter unit, in the form of a motor (7), cranks the drive unit during the start-up state, and a first energy storage device, in the form of a supercapacitive device (8), supplies electrical energy to the motor (7) during the start-up state. A second energy storage device, in the form of a battery (5), supplies electrical energy selectively to the device (8) other than during the start-up state, and an electrical supply unit, in the form of an alternator (6), selectively supplies electrical energy during the run state to the device (8).
B60K 6/28 - Agencement ou montage de plusieurs moteurs primaires différents pour une propulsion réciproque ou commune, p. ex. systèmes de propulsion hybrides comportant des moteurs électriques et des moteurs à combustion interne les moteurs primaires étant constitués de moteurs électriques et de moteurs à combustion interne, p. ex. des VEH caractérisés par des appareils, des organes ou des moyens spécialement adaptés aux VEH caractérisés par les moyens d'accumulation d'énergie électrique, p. ex. les batteries ou les condensateurs
B60W 10/26 - Commande conjuguée de sous-ensembles de véhicule, de fonction ou de type différents comprenant la commande des moyens de stockage d'énergie pour l'énergie électrique, p. ex. des batteries ou des condensateurs
B60W 10/24 - Commande conjuguée de sous-ensembles de véhicule, de fonction ou de type différents comprenant la commande des moyens de stockage d'énergie
B60W 20/00 - Systèmes de commande spécialement adaptés aux véhicules hybrides
F02N 11/08 - Circuits spécialement adaptés pour le démarrage des moteurs
H02J 7/14 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries pour la charge de batteries par des générateurs dynamo-électriques entraînés à vitesse variable, p. ex. sur véhicule
An electrolyte system suitable for use in an energy storage device (such as a supercapacitor), and energy devices which comprising the electrolyte system which is made up of an ionic liquid, such as Li or EMI TFSI and a stabilising amount of a stabilising additive. The stabilising additive preferably contains nitrile and or aromatic (benzene) groups, and may be advantageously benzonitrile, cinnamonitrile or succinonitrile. The stabilising additive stabilises the energy storage device against ESR rise and/or capacitance loss but does not adversely affect other performance characteristics of the ionic liquid.
A supercapacitor capable of withstanding SMT manufacturing conditions includes at least one pair of electrodes having a mixture of carbon particles preferably in a CMC binder on facing surfaces of the at least one pair of electrodes; a porous separator, preferably polyimide, positioned between the facing surfaces of the at least one pair of electrodes; and an electrolyte for wetting the separator wherein the electrolyte includes an ionic liquid, such as EMITSFI, and optionally a solvent such as PC, GBL or glutaronitrile.
A generally prismatic package (1) for an electrical device in the form of supercapacitive element (2) having an electrical property with a predetermined value. Package (1) includes an insulating element in the form of a generally rectangular-prismatic liquid crystal polymer (LCP) housing (3) for supporting element (2). More specifically, element (2) is mounted to the insulating element such that, following surface mounting of element (2) to a substrate, in the form of a printed circuit board (not shown), the electrical property remains within a predetermined tolerance.
H01M 2/00 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES - Détails de construction ou procédés de fabrication des parties non actives
A supercapacitor capable of withstanding SMT manufacturing conditions comprising at least one pair of electrodes having a mixture of carbon particles preferably in a CMC binder on facing surfaces of the at least one pair of electrodes; a porous separator, preferably polyimide, positioned between the facing surfaces of the at least one pair of electrodes; and an electrolyte for wetting the separator wherein the electrolyte comprises an ionic liquid, such as EMITSFI, and optionally a solvent such as PC, GBL or glutaronitrile.
A supercapacitor (1) includes two like stacked supercapacitive cells (2, 3) that are connected to each other in series. A two-piece generally prismatic sealed package (4) defines an interior (5) to contain cells (2, 3). Package (4) includes a substantially planar access sidewall (6) having two spaced apart apertures (7, 8) extending from interior (5) to an exterior of the package. Sidewall (6) contains a liquid crystal polymer (LCP). A lead assembly, in the form of two spaced apart metal leads (9, 10) are electrically connected to cells (2, 3) respectively, and extend through respective apertures (7, 8) to allow external electrical connection to the cells.
H01M 2/00 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES - Détails de construction ou procédés de fabrication des parties non actives
Electrolyte for use in an energy storage device such as a capacitor or supercapacitor which comprises a solvent (preferably propionitrile) and an ionic species (preferably methyltriethylammonium tetrafluoroborate). The electrolytes provide a low ESR rise rate, a high voltage and permit operation over a wide range of temperatures, which makes them beneficial for use in a range of energy storage devices such as digital wireless devices, wireless LAN devices, mobile telephones, computers, electrical or hybrid electrical vehicles.
A power supply (1) for powering a load, the load being in the form of a flash driver circuit (4) for a digital camera (not shown). The power supply includes a supercapacitive device, in the form of a supercapacitor (8), for powering circuit (4). A regulator unit, in the form of an inductive regulator (10), charges supercapacitor (8).
09 - Appareils et instruments scientifiques et électriques
Produits et services
Capacitors; supercapacitors; electric energy storage
devices, including but not limited to, electric energy
storage devices for use in relation to machines and machine
tools, photography equipment and apparatus, motors and
engines, machines couplings and transmissions, agricultural
and farm implements, hand tools, photographic,
cinematographic, optical, weighing, measuring and signalling
apparatus, vending machines, calculating machines, surgical,
medical, dental and veterinary equipment, apparatus for
lighting, heating, steam generation, cooking, refrigerating,
drying, ventilating, water supply and sanitary purposes,
vehicles of all kinds, powered musical instruments, powered
household and kitchen utensils, computers, data carriers and
terminals, pagers, power supplies, audio systems, electric
steering and suspension units, domestic power sources,
emergency lighting, grid load levelling equipment, hybrid
equipment containing fuel cells, industrial actuators,
electronic point of sale equipment, televisions, navigation
aids, powered telecommunications equipment including but not
limited to personal communication equipment, mobile
telephones, personal entertainment devices and personal
radios, remote area power supplies, power tools and
appliances, power quality conditioning equipment, satellite
communication equipment, sonar buoys, starting devices for
internal combustion engines, sound equipment, electric
energy storage devices, including but not limited to,
electric energy storage devices for use in relation to
uninterruptible power supplies and toys; parts, components
and accessories including, but not limited to, coated foils,
for all the aforementioned goods.
Electrolyte for use in an energy storage device such as a capacitor or supercapacitor which comprises a solvent (preferably propionitrile) and an ionic species (preferably methyltriethylammonium tetrafluoroborate). The electrolytes provide a low ESR rise rate, a high voltage and permit operation over a wide range of temperatures, which makes them beneficil for use in a range of energy storage devices such as digital wireless devices, wireless LAN devices, mobile telephones, computers, electrical or hybrid electrical vehicles.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Capacitors; supercapacitors; electric energy storage devices, namely, electric storage batteries and electric capacitors for use in relation to machines and machine tools, photography equipment and apparatus, motors and engines, machines couplings and transmissions, agricultural and farm implements, hand tools, photographic, cinematographic, optical, weighing, measuring and signalling apparatus, vending machines, calculating machines, surgical, medical, dental and veterinary equipment, apparatus for lighting, heating, steam generation, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, vehicles of all kinds, powered musical instruments, powered household and kitchen utensils, computers, data carriers and terminals, pagers, power supplies, audio systems, electric steering and suspension units, domestic power sources, emergency lighting, grid load levelling equipment, hybrid equipment containing fuel cells, industrial actuators, electronic point of sale equipment, televisions, navigation aids, powered telecommunications equipment, namely, personal communication equipment, mobile telephones, personal entertainment devices and personal radios, remote area power supplies, power tools and appliances, power quality conditioning equipment, satellite communication equipment, sonar buoys, starting devices for internal combustion engines, sound equipment, electric energy storage devices, namely, electric energy storage devices for use in relation to uninterruptible power supplies and toys; parts, components and accessories, namely, coated foils in the nature of foil elements, namely, capacitance electrodes for electrical conduction and energy storage for all the aforementioned goods; and structural parts for capacitors, electric storage batteries and electric capacitors, namely, electrodes
09 - Appareils et instruments scientifiques et électriques
Produits et services
Electric energy storage devices, including electric energy
storage devices for use in the following, namely: machines
and machine tools, motors and engines, machines couplings
and transmissions, agricultural and farm implements, hand
tools, photographic, cinematographic, optical, weighing,
measuring and signalling apparatus, vending machines,
calculating machines, surgical, medical, dental and
veterinary equipment, apparatus for lighting, heating, steam
generation, cooking, refrigerating, drying, ventilating,
water supply and sanitary purposes, vehicles of all kinds,
powered musical instruments, powered household and kitchen
utensils, computers, data carriers and terminals, pagers,
power supplies, audio systems, electric steering and
suspension units, domestic power sources, emergency
lighting, grid load levelling equipment, hybrid equipment
containing fuel cells, industrial actuators, electronic
point of sale equipment, televisions, navigation aids,
powered telecommunications equipment, remote area power
supplies, power tools and appliances, power quality
conditioning equipment, satellite communication equipment,
sonar buoys, starting devices for internal combustion
engines, sound equipment, uninterruptable power supplies and
toys.
