Classifications

• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
  • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
  • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/05—Accumulators with non-aqueous electrolyte
  • H01M10/052—Li-accumulators
  • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/05—Accumulators with non-aqueous electrolyte
  • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
  • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
  • H01M10/0566—Liquid materials
  • H01M10/0567—Liquid materials characterised by the additives
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/05—Accumulators with non-aqueous electrolyte
  • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
  • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
  • H01M10/0566—Liquid materials
  • H01M10/0569—Liquid materials characterised by the solvents
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M4/00—Electrodes
  • H01M4/02—Electrodes composed of, or comprising, active material
  • H01M4/36—Selection of substances as active materials, active masses, active liquids
  • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
  • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
  • H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M4/00—Electrodes
  • H01M4/02—Electrodes composed of, or comprising, active material
  • H01M4/36—Selection of substances as active materials, active masses, active liquids
  • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M4/00—Electrodes
  • H01M4/02—Electrodes composed of, or comprising, active material
  • H01M4/36—Selection of substances as active materials, active masses, active liquids
  • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
  • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
  • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
  • H01M50/247—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M2200/00—Safety devices for primary or secondary batteries
  • H01M2200/30—Preventing polarity reversal
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M2300/00—Electrolytes
  • H01M2300/0017—Non-aqueous electrolytes
  • H01M2300/0025—Organic electrolyte
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
  • Y02E60/10—Energy storage using batteries

Definitions

• the present disclosure relates to an aerosol-generating device and an aerosol delivery system.
• the pair of electrodes and the electrolyte may form components of a discrete cell of the battery.
• the battery may comprise a single cell or a plurality of cells.
• the halogenated carbonate may comprise one or more of fluoroethylene carbonate (FEC) , difluoroethylene carbonate (DFEC) , trifluoropropylene carbonate (TFPC) , 4- [ (2, 2, 3, 3-tetrafluoropropoxy) methyl] -1, 3-dioxolan-2-one (HFEEC) , 4- (2, 2, 3, 3, 4, 4, 5, 5, 5-nonafluoropentyl) -1, 3-dioxolan-2-one (NFPEC) , bis (2, 2, 2-trifluoroethyl) carbonate (TFEC) and 2, 2, 3, 4, 4, 4-hexafluorobutyl methyl carbonate (HFBMC) .
• FEC fluoroethylene carbonate
• DFEC difluoroethylene carbonate
• TFPC trifluoropropylene carbonate
• the halogenated carbonate may be present in the electrolyte in a concentration of 0.05%to 15%by weight of the electrolyte, or between 0.05%to 10%by weight of the electrolyte, or between 0.05%to 5%by weight of the electrolyte, or between 0.1%to 2%by weight of the electrolyte.
• the electrolyte may comprise a lithium salt.
• the lithium salt may function as a source of lithium ions for the battery.
• the lithium salt may comprise one or more of more of LiPF 6 , LiBF 4 , LiSbF 6 , LiAsF 6 , LiClO 4 , LiCF 3 SO 3 , LiN (SO 2 CF 3 ) 2 , LiN (SO 2 C 2 F 5 ) 2 , LiC (SO 2 CF 3 ) 3 , LiN (SO 3 CF 3 ) 2 , LiC 4 F 9 SO 3 , LiAlO 4 , LiAlCl 4 , LiCl, and LiI.
• the lithium salt may comprise or consist of LiPF 6 .
• the electrolyte may include a solvent in addition to a lithium salt.
• the solvent functions as a medium for the passage of ions associated with the electrochemical reactions which occur within the battery during use.
• the solvent may be an aqueous solvent or a non-aqueous solvent.
• LiPF 6 has characteristics of solubility and high ionic conductivity within a solvent.
• the solvent may comprise a non-aqueous organic solvent comprising one or more of propylene carbonate (PC) , ethylene carbonate (EC) , and ethyl methyl carbonate (EMC) .
• the anode-active material may comprise one or more of carbon, an allotrope of carbon, lithium titanate oxide, and silicon.
• the allotrope of carbon comprises or consists of graphite.
• the graphite may be natural graphite or synthetically produced. Graphite is preferred as an anode-active material because of its high electrical conductivity and ability to reversibly place lithium ions between its constituent layers, with this ability being maintained over thousands of charge cycles.
• the anode may further comprise an anode collector.
• a coating comprising the anode-active material may be applied to the anode collector.
• the coating may be applied to the anode collector by a baking operation.
• the anode collector may comprise copper.
• the anode collector may comprise nickel.
• the anode collector may be in the form of a foil.
• the anode collector may have a meshed construction.
• the cathode-active material may comprise one or more of lithium iron phosphate, lithium nickel-cobalt-aluminium oxide, lithium-cobalt oxide, lithium-manganese oxide, lithium-nickel-manganese oxide, lithium-manganese-cobalt oxide, lithium-nickel-manganese-cobalt oxide, and lithium sulphur.
• the cathode-active material comprises or consists of lithium iron phosphate.
• Lithium iron phosphate has characteristics of thermal stability and a long cycle life.
• the cathode may further comprise a cathode collector.
• a coating comprising the cathode-active material may be applied to the cathode collector.
• the coating may be applied to the cathode collector by a baking operation.
• the cathode collector may comprise aluminium.
• the cathode collector may be in the form of a foil and/or have a meshed construction.
• the coating applied to the anode collector and the coating applied to the cathode collector may each further comprise a binder, a conductive agent and a stabiliser.
• the binder, conductive agent and stabiliser may be mixed in with a solvent -either aqueous or non-aqueous.
• the solvent may comprise one or more of N-methyl-2-pyrrolidone (NMP) , dimethylformamide (DMF) , dimethylacetamide, N, N-dimethylaminopropylamine, ethylene oxide, and tetrahydrofuran (THF) .
• the binder may facilitate mixing the constituent ingredients of the coating into a paste or a slurry.
• the binder may also facilitate adhering the coating material to the anode or cathode collector.
• the binder may comprise one or more of polyvinylidenefluoride (PVDF) , polyhexafluoropropylene-polyvinylidenefluoride copolymer, poly (vinylacetate) , polyvinylalcohol, polyethyleneoxide (PEO) , polyvinylpyrrolidone (PVP) , alkylated polyethyleneoxide, polyvinylether (PVE) , poly (methylmethacrylate) (PMMA) , poly (ethylacrylate) , polytetrafluorethylene (PTFE) , polyvinylchloride (PVC) , polyacrylonitrile (PAN) , polyvinylpyridine, styrene-butadiene rubber (SBR) , and acryl
• the conductive agent may comprise one or more of a graphitic agent, a carbon-black agent, a metal, and a metallic compound agent.
• the graphitic agent may comprise one or more of artificial graphite and natural graphite.
• the carbon-black agent may comprise one or more of acetylene black, ketjen black, denka black, thermal black, and channel black.
• the metal or metallic compound agent may comprise one or more of Sn, SnO 2 , SnPO 4 , TiO 2 , KTiO 3 , LaSrCoO 3 , and LaSrMnO 3 .
• the conductive agent may be present in the coating in a concentration of 0.1%to 10 %by weight of the coating. Limiting the concentration of the conductive agent to be no more than 10%by weight of the coating may be beneficial in terms of the energy density per unit weight. Maintaining the concentration of the conductive agent to be no less than 0.1%by weight of the coating may be beneficial in enhancing electrochemical characteristics of the coating.
• the stabiliser may comprise one or more of carboxylmethyl cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, and hydroxypropyl cellulose.
• the stabiliser may be selected to adjust the viscosity of a slurry of the anode-/cathode-active material for use in forming the coating.
• the solid aerosol-forming substrate may be provided on or embedded in a thermally stable carrier.
• the carrier may take the form of powder, granules, pellets, shreds, strands, strips or sheets.
• the solid aerosol-forming substrate may be deposited on the surface of the carrier in the form of, for example, a sheet, foam, gel or slurry.
• the solid aerosol-forming substrate may be deposited on the entire surface of the carrier, or alternatively, may be deposited in a pattern in order to provide a non-uniform flavour delivery during use.
• the aerosol-forming substrate comprises a gathered sheet of homogenised tobacco material.
• sheet refers to a laminar element having a width and length substantially greater than the thickness thereof.
• gathered is used to describe a sheet that is convoluted, folded, or otherwise compressed or constricted substantially transversely to the longitudinal axis of the aerosol-generating article.
• the aerosol-forming substrate may comprise a single aerosol former.
• the aerosol-forming substrate may comprise a combination of two or more aerosol formers.
• Example Ex1 An aerosol-generating device for use in generating an inhalable aerosol from an aerosol-forming substrate, the aerosol-generating device comprising:
• the battery comprises an electrolyte and at least one pair of electrodes, the pair of electrodes spaced apart from each other in the electrolyte, one of the pair of electrodes defining an anode and comprising an anode-active material, the other of the pair of electrodes defining a cathode and comprising a cathode-active material;
• the electrolyte including a halogenated carbonate.
• Example Ex2 An aerosol-generating device according to Ex1, in which the halogenated carbonate comprises one or more of fluoroethylene carbonate, difluoroethylene carbonate, trifluoropropylene carbonate, 4- [ (2, 2, 3, 3-tetrafluoropropoxy) methyl] -1, 3-dioxolan-2-one, 4- (2, 2, 3, 3, 4, 4, 5, 5, 5-nonafluoropentyl) -1, 3-dioxolan-2-one, bis (2, 2, 2-trifluoroethyl) carbonate and 2, 2, 3, 4, 4, 4-hexafluorobutyl methyl carbonate.
• the halogenated carbonate comprises one or more of fluoroethylene carbonate, difluoroethylene carbonate, trifluoropropylene carbonate, 4- [ (2, 2, 3, 3-tetrafluoropropoxy) methyl] -1, 3-dioxolan-2-one, 4- (2, 2, 3, 3, 4, 4, 5, 5, 5-nonafluoropentyl) -1, 3-
• Example Ex3 An aerosol-generating device according to either one of Ex1 or Ex2, in which the halogenated carbonate is present in the electrolyte in a concentration of 0.05%to 15%by weight of the electrolyte, or between 0.05%to 10%by weight of the electrolyte, or between 0.05%to 5%by weight of the electrolyte, or between 0.1%to 2%by weight of the electrolyte.
• Example Ex4 An aerosol-generating device according to any one of Ex1 to Ex3, in which the electrolyte comprises a lithium salt.
• Example Ex5 An aerosol-generating device according to Ex4, in which the lithium salt comprises one or more of more LiPF 6 , LiBF 4 , LiSbF 6 , LiAsF 6 , LiClO 4 , LiCF 3 SO 3 , LiN (SO 2 CF 3 ) 2 , LiN (SO 2 C 2 F 5 ) 2 , LiC (SO 2 CF 3 ) 3 , LiN (SO 3 CF 3 ) 2 , LiC 4 F 9 SO 3 , LiAlO 4 , LiAlCl 4 , LiCl, and LiI.
• the lithium salt comprises one or more of more LiPF 6 , LiBF 4 , LiSbF 6 , LiAsF 6 , LiClO 4 , LiCF 3 SO 3 , LiN (SO 2 CF 3 ) 2 , LiN (SO 2 CF 3 ) 2 , LiC 4 F 9 SO 3 , LiAlO 4 , LiAlCl 4 , LiCl, and LiI.
• Example Ex6 An aerosol-generating device according to any one of Ex1 to Ex5, in which the anode-active material comprises one or more of carbon, an allotrope of carbon, lithium titanate oxide, and silicon.
• Example Ex8 An aerosol-generating device according to any one of Ex1 to Ex7, in which the anode further comprises an anode collector, wherein a coating comprising the anode-active material is applied to the anode collector.
• Example Ex9 An aerosol-generating device according to Ex8, in which the anode collector comprises copper.
• Example Ex10 An aerosol-generating device according to any one of Ex1 to Ex9, in which the cathode-active material comprises one or more of lithium iron phosphate, lithium nickel-cobalt-aluminium oxide, lithium-cobalt oxide, lithium-manganese oxide, lithium-nickel-manganese oxide, lithium-manganese-cobalt oxide, lithium-nickel-manganese-cobalt oxide, and lithium sulphur.
• the cathode-active material comprises one or more of lithium iron phosphate, lithium nickel-cobalt-aluminium oxide, lithium-cobalt oxide, lithium-manganese oxide, lithium-nickel-manganese oxide, lithium-manganese-cobalt oxide, lithium-nickel-manganese-cobalt oxide, and lithium sulphur.
• Example Ex11 An aerosol-generating device according to any one of Ex1 to Ex10, in which the cathode further comprises a cathode collector, wherein a coating comprising the cathode-active material is applied to the cathode collector.
• Example Ex12 An aerosol-generating device according to Ex11, in which the cathode collector comprises aluminium.
• Example Ex13 An aerosol-generating device according to either one of Ex8 or Ex11, in which the coating applied to the anode collector and the coating applied to the cathode collector further comprise a binder, a conductive agent and a stabiliser.
• Example Ex15 An aerosol-generating device according to Ex14, in which the binder is present in the respective coating in a concentration of 0.1%to 30 %by weight of the coating, or 1%to 10%by weight of the coating.
• Example Ex16 An aerosol-generating device according to any one of Ex13 to Ex15, in which the conductive agent comprises one or more of a graphitic agent, a carbon-black agent, a metal, and a metallic compound agent.
• Example Ex17 An aerosol-generating device according to Ex16, in which the graphitic agent comprises one or more of artificial graphite and natural graphite.
• Example Ex18 An aerosol-generating device according to either one of Ex16 or Ex17, in which the carbon-black agent comprises one or more of acetylene black, ketjen black, denka black, thermal black, and channel black.
• the carbon-black agent comprises one or more of acetylene black, ketjen black, denka black, thermal black, and channel black.
• Example Ex19 An aerosol-generating device according to any one of Ex16 to Ex18, in which the metal or metallic compound agent comprises one or more of Sn, SnO 2 , SnPO 4 , TiO 2 , KTiO 3 , LaSrCoO 3 , and LaSrMnO 3 .
• Example Ex20 An aerosol-generating device according to any one of Ex16 to Ex19, in which the conductive agent is present in the coating in a concentration of 0.1%to 10 %by weight of the coating.
• Example Ex21 An aerosol-generating device according to any one of Ex1 to Ex20, in which the battery further comprises a permeable barrier configured to allow passage of lithium ions there-through, the permeable barrier positioned in the electrolyte between the anode and cathode.
• Example Ex22 An aerosol-generating device according to Ex1, in which the halogenated carbonate comprises fluoroethylene carbonate, preferably wherein the cathode-active material comprises lithium iron phosphate.
• Example Ex23 An aerosol-generating device according to Ex22, in which the electrolyte comprises LiPF 6 .
• Example Ex24 An aerosol-generating device according to either one of Ex22 or Ex23, in which the cathode-active material comprises one or more of lithium iron phosphate, lithium-nickel-manganese-cobalt oxide and lithium-cobalt oxide.
• Example Ex25 An aerosol-generating device according to any one of Ex22 to Ex24, in which the anode-active material comprises graphite.
• Example Ex26 An aerosol-generating device according to any one of Ex1 to Ex25, in which the lithium-ion battery is a rechargeable battery.
• Example Ex27 An aerosol-generating device according to any one of Ex1 to Ex26, further comprising:
• Example Ex28 An aerosol-generating device according to Ex27, in which the electrically-powered heating arrangement comprises a resistive heating element.
• Figure 1 illustrates a schematic view of a first embodiment of an aerosol-generating device and aerosol-delivery system according to the present disclosure
• the aerosol-generating article 20 has the form of a cylindrical rod, the rod formed by a combination of an aerosol-forming substrate 21 and a filter element 22.
• the aerosol-forming substrate 21 and filter element 22 are co-axially aligned and enclosed in a wrapper 23 of cigarette paper.
• the aerosol-forming substrate 21 is a solid aerosol-forming substrate comprising tobacco.
• the aerosol-forming substrate 21 may instead be a liquid aerosol-forming substrate or formed of a combination of liquid and solid aerosol-forming substrates.
• the filter element 22 serves as a mouthpiece of the aerosol-generating article 20.
• the aerosol-generating article 20 has a diameter substantially equal to the diameter of the cavity 15 of the device 10 and a length longer than a depth of the cavity. When the aerosol-generating article 20 is received in the cavity 15 of the device 10, the portion of the article containing the filter element 22 extends outside of the cavity and may be drawn on by a user, in a similar manner to a conventional cigarette.
• the lithium-ion battery 12 serves as a source of electrical power to support operation of the aerosol-generating device 10.
• the control electronics 13 is configured to control a supply of energy from the battery 12 to the resistive heating element 14 during use of the device 10 over a usage session.
• the control electronics 13 includes or is coupled to a memory module 13a. In use, the control electronics 13 controls the supply of energy from the lithium-ion battery 12 to the resistive heating element 14 in accordance with instructions and data stored in the memory module 13a.
• the memory module 13a contains instructions and data governing when and the duration for which electrical power is supplied from the battery 12 to the heating element 14.
• the instructions and data may include a target thermal profile for the heating element 14 over a usage session.
• the target thermal profile defines a target operating temperature for the heating element 14.
• control electronics 13 controls the supply of energy from the lithium-ion battery 12 to the induction coil 141 in accordance with instructions and data stored in the memory module 13a, in a similar manner to the methodology described with reference to the embodiment of Figure 1.
• the susceptor 241 With the aerosol-generating article 20 fully inserted into the cavity 15, the susceptor 241 is located within the induction coil 141. Current flow through the induction coil 141 induces eddy currents through and consequent heating of the susceptor 241.
• FIG 3 shows an alternative embodiment to the heat-related aerosol-generating devices of Figures 1 and 2.
• the aerosol-generating device 10 of Figure 3 generates aerosol from an aerosol-forming substrate through vibration of a membrane in contact with the substrate, rather than through heating of the substrate.
• the aerosol-generating device 10 of Figure 3 has a housing 11 containing a lithium-ion battery 12 and control electronics 13.
• the housing 11 has a first housing part 11a and a second housing part 11b.
• the first housing part 11a is in the form of a cylindrical tube and is connected to the second housing part 11b.
• the second housing part 11b defines a mouthpiece of the aerosol-generating device 10, with an opening provided at one end of the mouthpiece.
• a replaceable/disposable cartridge 200 is located within the housing 11.
• the cartridge 200 contains a reservoir of liquid aerosol-forming substrate 201.
• a feed assembly 212 is fluidically coupled to and located downstream of the cartridge 200.
• the feed assembly 212 may be a passive structure, such as a wicking element.
• the feed assembly 212 may be an active feed assembly (such as a pump or similar) powered by the battery 12.
• a vibratory aerosolisation module 142 is provided downstream of the feed assembly 212.
• the aerosolisation module 142 includes an actuator assembly 142a coupled to a perforated membrane 142b.
• the actuator assembly 142a is coupled to the battery 12 via the control electronics 13.
• the lithium-ion battery 12 serves as a source of electrical energy to facilitate generation of an inhalable aerosol from an aerosol-forming substrate 21, 201 -whether through heating (as in figures 1 and 2) , or through vibration (as in figure 3) .
• the aerosol-generating device 10 has a size and a mass which enable it to be hand-held by a user.
• the battery 12 provides high levels of energy over a short finite period of time -specifically, over a usage session.
• the battery 12 only has sufficient capacity to complete a predetermined number of usage sessions. On completion of the predetermined number of usage sessions, the battery 12 is recharged.
• the predetermined number of usage sessions may be a single usage session, or may be two or more usage sessions.
• the anode 121 has an anode collector 1211 formed of copper foil.
• the anode collector 1211 is coated with an anode-active material 1212.
• the anode-active material 1212 is formed of graphite.
• the cathode 122 has a cathode collector 1221 formed of aluminium foil.
• the cathode collector 1221 is coated with a cathode-active material 1222.
• the cathode-active material 1222 is formed of lithium-iron phosphate.
• the electrolyte 123 is formed of a non-aqueous organic solvent, a lithium salt and a halogenated carbonate additive.
• the halogenated carbonate is fluoroethylene carbonate (FEC) and the lithium salt is LiPF 6 , with FEC being present in the electrolyte in a concentration of between 0.1%to 2%by weight of the electrolyte.
• FEC fluoroethylene carbonate
• LiPF 6 LiPF 6
• Each battery uses an anode and cathode made according to the above paragraphs.
• the anode and cathode are placed in an electrolyte, in which the electrolyte is made by dissolving LiPF 6 in a non-aqueous organic solvent.
• a separator formed of polyethylene of 7 to 12 micrometres thickness is located between the anode and cathode.
• FEC fluoroethylene carbonate
• Figure 6 provides a pictorial illustration of how incorporating FEC in the electrolyte results in a significant increase in the battery’s maximum capacity after the number of charge/discharge cycles exceeds around 6,000 in number. More specifically, when considering the percentage maximum capacity remaining at the 10,560 th cycle, it was seen that the maximum capacity for the battery lacking FEC drops below 75%whereas the maximum capacity of the battery including FEC remains above 85%of the battery’s initial capacity.

Landscapes

• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Electrochemistry (AREA)
• Engineering & Computer Science (AREA)
• Inorganic Chemistry (AREA)
• Manufacturing & Machinery (AREA)
• Physics & Mathematics (AREA)
• Condensed Matter Physics & Semiconductors (AREA)
• General Physics & Mathematics (AREA)
• Materials Engineering (AREA)
• Computer Hardware Design (AREA)
• Biophysics (AREA)
• Life Sciences & Earth Sciences (AREA)
• Crystallography & Structural Chemistry (AREA)
• Secondary Cells (AREA)
• Cell Electrode Carriers And Collectors (AREA)
• Battery Electrode And Active Subsutance (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=83457077

Family Applications (1)

Country Status (5)

Family Cites Families (3)

• 2022
  • 2022-09-05 WO PCT/CN2022/117058 patent/WO2024050664A1/en not_active Ceased
  • 2022-09-05 KR KR1020257010430A patent/KR20250057004A/ko active Pending
  • 2022-09-05 EP EP22777595.4A patent/EP4583733A1/de active Pending
  • 2022-09-05 JP JP2025512172A patent/JP2025527786A/ja active Pending
  • 2022-09-05 CN CN202280099091.1A patent/CN119816215A/zh active Pending

Also Published As

Similar Documents

Legal Events