Abstract: A cartridge for an aerosol provision system that includes the cartridge and a control unit. The cartridge includes an air channel extending from an air inlet for the cartridge to an outlet via an aerosol generation region; a heating element for heating aerosolizable material, such as liquid, from a reservoir to generate aerosol in the aerosol generation region; and a valve located in the air channel upstream of the aerosol-generating region. The cartridge is configured such that air passing through the air channel is configured to pass from the air inlet, past the air valve, into the aerosol-generating region, and then out from the aerosol outlet.

Abstract: An aerosol provision device including an aerosol generator, a reception region for receiving an aerosol generating article and a first layer provided between the aerosol generator and the reception region.

Abstract: An aerosol provision device including an aerosol generator and a first device arranged to determine a cleanliness state or a predicted cleanliness state of a first surface located within the aerosol provision device.

Abstract: A water-soluble film comprising a mixture of a polyvinyl alcohol resin, a starch, and a salt, wherein the salt is present in the water-soluble film in an amount sufficient to improve compatibility of the polyvinyl alcohol resin and the starch.

Abstract: A cartridge for an aerosol provision system comprising the cartridge and a control unit. The cartridge comprises: an air channel extending from an air inlet for the cartridge to an outlet via an aerosol generation region; a heating element for heating aerosolizable material, such as liquid, from a reservoir to generate aerosol in the aerosol generation region; and a valve located in the air channel upstream of the aerosol generating region. The cartridge is configured such that air passing through the air channel is configured to pass from the air inlet, past the air valve, into the aerosol generating region, and then out from the aerosol outlet.

Abstract: A water-soluble film comprising a mixture of a polyvinyl alcohol (PVOH) resin, a plasticizer, and a metal salt, wherein the metal salt is present in the water-soluble film in an amount sufficient to reduce the enthalpy of melting of the film by at least 20% compared to the enthalpy of melting of an otherwise identical film not comprising the metal salt.

Abstract: A detector detects at least one neutron. The detector includes at least one thin absorption layer each including an absorption material for absorbing the neutron and then radioactively decaying into energetic byproducts. The detector includes at least one emission layer each including a solid scintillation material for converting the energetic byproducts into photons. The detector includes a sensor for detecting the photons.

Abstract: A detector detects at least one neutron. The detector includes at least one thin absorption layer each including an absorption material for absorbing the neutron and then radioactively decaying into energetic byproducts. The detector includes at least one emission layer each including a solid scintillation material for converting the energetic byproducts into photons. The detector includes a sensor for detecting the photons.

Abstract: A method comprises: providing a metal salt solution including nickel, cobalt, manganese, aluminum, or a combination thereof; combining the metal salt solution with a basic solution wherein the combination of the metal salt solution and the basic solution is maintained at a pH of no greater than 10 to form a metal hydroxide precursor. To form cathode active material the method further includes adding a lithium compound to the metal hydroxide precursor to form a metal hydroxide precursor mixture; and heat-treating the metal hydroxide precursor mixture to form the single-crystal cathode active material.

Abstract: A method of making a cathode active material includes providing a first mixture including a mixed metal composition and phosphoric acid or a mixed metal composition and water. The mixed metal composition includes nickel, cobalt, manganese, or a combination thereof. A salt of iron, manganese, cobalt, or a combination thereof is added to adjust the stoichiometry of the mixed metal composition. The stoichiometrically-adjusted mixed metal composition in water can be contacted with a phosphorus-containing compound. The stoichiometrically-adjusted mixed metal phosphate is further contacted with a lithium-containing compound to provide the cathode active material having at least one phase having an olivine structure.

Abstract: A cartridge for an aerosol provision system that includes the cartridge and a control unit. The cartridge includes an air channel extending from an air inlet for the cartridge to an outlet via an aerosol generation region; a heating element for heating aerosolizable material, such as liquid, from a reservoir to generate aerosol in the aerosol generation region; and a valve located in the air channel upstream of the aerosol-generating region. The cartridge is configured such that air passing through the air channel is configured to pass from the air inlet, past the air valve, into the aerosol-generating region, and then out from the aerosol outlet.

Abstract: Described is an aerosol provision system including a control body and a cartridge configured to engage with the control body, wherein the control body includes an aerosol generator configured to generate aerosol from aerosol-generating material, the aerosol provision system further including a aerosol-generating material storage area in the cartridge configured to hold a supply of aerosol-generating material to be aerosolized by the aerosol generator, circuitry configured to control a supply of energy from a power supply to the aerosol generator, and a safety element configured to actuate when the cartridge is engaged with the control body, wherein the circuitry is configured to prevent the supply of energy to the aerosol generator unless the safety element is actuated.

Abstract: Described is an aerosol provision system for generating an aerosol from an aerosol-generating material, the system including an optical arrangement provided by the system and including at least one irradiative light source, the optical arrangement configured to generate a plurality of light beams from the at least one irradiative light source; an aerosol-generating material contained within the system; wherein the optical arrangement is configured to direct the plurality of light beams to intersect at a spatial point within the system, the spatial point located at or adjacent to at least a part of the aerosol-generating material or a target material.

Abstract: An aerosol provision system comprising a reservoir for aerosolisable material; a wick configured to receive the aerosolizable material from the reservoir, a vaporizer configured to vaporize the aerosolizable material received in the wick, wherein the aerosol provision system is configured to measure at least one parameter of the wick to determine a status of the wick The parameter may be the moisture content of the wick, at least one physical dimension of the wick, and/or an optical parameter, such as the color of an external surface of the wick, or the reflectivity of an external surface of the wick.

Abstract: A method of making a cathode active material includes contacting a mixed metal composition with water to form a first solution. The mixed metal composition includes nickel, manganese, or nickel and manganese. A salt of nickel, manganese, or a combination thereof is added to the first solution to provide a second solution which can be further combined with a cosolvent to provide a third solution. The third solution can be further combined with a basic solution to provide a precipitate, which can be combined with a lithium compound and treated to provide the cathode active material having at least one phase having a spinel structure.

Abstract: An aerosol provision system including a vaporizer for generating a vapor from an aerosolizable material, and an electrode 10 for receiving electrical power. The aerosol provision system also includes a resilient element, such as a helical spring, electrically connected to the vaporizer and the electrode, for transferring the electrical power between the electrode and the vaporizer. The aerosol provision system may include a cartridge and a control unit, wherein the electrode, the vaporizer, and the resilient element are located in the cartridge. The control unit may include a power supply for delivering electrical power to the electrode for powering the vaporizer.

Abstract: There is provided an aerosol provision system including a vaporizer for generating a vapor from an aerosolizable material; an electrode 10 for receiving electrical power; and a sealing member 100, electrically connected to the vaporizer and the electrode, for transferring electrical power between the electrode and the vaporizer, wherein the sealing member is at least partially composed of a heat-resistant and electrically conductive composite material.

Abstract: An aerosol provision system including a vaporizer for generating a vapor from an aerosolizable material, and an electrode for receiving electrical power. The aerosol provision system also includes a resilient element, electrically connected to the vaporizer and the electrode, for transferring the electrical power between the electrode and the vaporizer. The aerosol provision system may include a cartridge and a control unit, wherein the electrode, the vaporizer, and the resilient element are located in the cartridge. The control unit may include a power supply for delivering electrical power to the electrode for powering the vaporizer.

Abstract: An aerosol provision system having: a vaporizer for generating a vapor from an aerosolizable material; an electrode for receiving electrical power, wherein the vaporizer is electrically connected to the electrode; and a sealing member, wherein the sealing member includes a cover with a location for the electrode, configured to surround at least the first end of the electrode, and a cavity defining an air channel upstream of the vaporizer.

Abstract: A method of making a cathode active material includes contacting a mixed metal composition with water to form a first solution. The mixed metal composition includes nickel, cobalt, manganese, aluminum, or a combination thereof, and greater than 0 to 2 weight percent, based on the total weight of the mixed metal composition, of a compound comprising Cu, Fe, Mg, Na, Ca, Zn, F, Si, Li, or a combination thereof. A salt of nickel, cobalt, manganese, aluminum, or a combination thereof is added to the first solution to provide a second solution, which can be further combined with a basic solution to provide a precipitate. The precipitate can be combined with a lithium compound and treated to provide the cathode active material.