Abstract: Methods and systems for protecting a multitenant database system with multiple tenant databases are provided. One method includes accessing, by a processor, a backup of a source container database of a multitenant database system, the source container database hosting a plurality of tenant databases; generating, by the processor, a clone of the source container database from the backup, the clone of the source container database including clones of the plurality of tenant databases; exporting, by the processor, configuration information of a clone of a first tenant database from the clone of the source container database to a target container database; importing, by the processor, the clone of the first tenant database into the target container database; and removing, by the processor, the clone of the first tenant database from the cloned source container database, while retaining data files associated with the first tenant database.

Abstract: Methods and systems for protecting a multitenant database system with multiple tenant databases are provided. One method includes accessing, by a processor, a backup of a source container database of a multitenant database system, the source container database hosting a plurality of tenant databases; generating, by the processor, a clone of the source container database from the backup, the clone of the source container database including clones of the plurality of tenant databases; exporting, by the processor, configuration information of a clone of a first tenant database from the clone of the source container database to a target container database; importing, by the processor, the clone of the first tenant database into the target container database; and removing, by the processor, the clone of the first tenant database from the cloned source container database, while retaining data files associated with the first tenant database.

Abstract: A cathode may be formed form a first porous carbonaceous region and a second porous carbonaceous region positioned adjacent to the first porous carbonaceous region. Each region may have a corresponding concentration level of porous carbonaceous materials. Specifically, each region may include pores and non-tri-zone particles and tri-zone particles. In one implementation, each tri-zone particle may include carbon fragments intertwined with each other and separated from one another by mesopores. Each tri-zone particle may also include a deformable perimeter that may coalesce with adjacent non-tri-zone particles or tri-zone particles. In some aspects, the tri-zone particles may include aggregates formed by several tri-zone particles joined together. In some aspects, mesopores may be interspersed throughout the aggregates. Each tri-zone particle may also include agglomerates, where each agglomerate includes a multitude of the aggregates joined together.

Abstract: A battery is disclosed that includes an anode, a graded interface layer disposed on the anode, a cathode positioned opposite to the anode, an electrolyte, and a separator. The anode may output lithium ions during cycling of the battery. A graded interface layer may be disposed on the anode and include a tin fluoride layer. A tin-lithium alloy region may form between the tin fluoride layer and the anode. The tin-lithium alloy region may produce a lithium fluoride uniformly dispersed between the anode and the tin fluoride layer during operational cycling of the battery. The electrolyte may disperse throughout the cathode and the anode. The separator may be positioned between the anode and cathode. In some aspects, the battery may also include lithium electrodeposited on one or more exposed surfaces of the anode.

Abstract: Embodiments of the present disclosure relate to an audio system for artificial reality applications. One or more transducers of the audio system output, in accordance with audio instructions, one or more ultrasonic pressure waves simulating a virtual audio source near an ear of a user of the headset. A controller of the audio system generates the audio instructions such that the one or more ultrasonic pressure waves form at least a portion of audio content for presentation to the user. An array of microphones of the audio system detects audio signals in a local area. A deep neural network of the audio system processes the detected audio signals to generate enhanced audio content, and the one or more transducers present the enhanced audio content to a user.

Abstract: A composition of matter may include pores and non-tri-zone particles and tri-zone particles. In one implementation, each tri-zone particle may include carbon fragments intertwined with each other and separated from one another by mesopores. Each tri-zone particle may also include a deformable perimeter that may coalesce with adjacent non-tri-zone particles or tri-zone particles. In some aspects, the tri-zone particles may include aggregates formed by a multitude of the tri-zone particles joined together. In some aspects, mesopores may be interspersed throughout the aggregates. Each tri-zone particle may also include agglomerates, where each agglomerate includes a multitude of the aggregates joined together. In some aspects, macropores may be interspersed throughout the aggregates.

Abstract: Embodiments of this disclosure describe an electrode biasing scheme that enables maintaining a nearly constant sheath voltage and thus creating a mono-energetic IEDF at the surface of the substrate that consequently enables a precise control over the shape of IEDF and the profile of the features formed in the surface of the substrate.

Abstract: A composition of matter may include pores and non-tri-zone particles and tri-zone particles. In one implementation, each tri-zone particle may include carbon fragments intertwined with each other and separated from one another by mesopores. Each tri-zone particle may also include a deformable perimeter that may coalesce with adjacent non-tri-zone particles or tri-zone particles. In some aspects, the tri-zone particles may include aggregates formed by a multitude of the tri-zone particles joined together. In some aspects, mesopores may be interspersed throughout the aggregates. Each tri-zone particle may also include agglomerates, where each agglomerate includes a multitude of the aggregates joined together. In some aspects, macropores may be interspersed throughout the aggregates.

Abstract: A battery is disclosed that includes an anode, a graded interface layer disposed on the anode, a cathode positioned opposite to the anode, an electrolyte, and a separator. The anode may output lithium ions during cycling of the battery. A graded interface layer may be disposed on the anode and include a tin fluoride layer. A tin-lithium alloy region may form between the tin fluoride layer and the anode. The tin-lithium alloy region may produce a lithium fluoride uniformly dispersed between the anode and the tin fluoride layer during operational cycling of the battery. The electrolyte may disperse throughout the cathode and the anode. The separator may be positioned between the anode and cathode. In some aspects, the battery may also include lithium electrodeposited on one or more exposed surfaces of the anode.

Abstract: A battery is disclosed that includes an anode, a cathode positioned opposite to the anode, a protective sheath disposed on the cathode, a separator, and an electrolyte. The anode may be arranged in a lattice configuration and include carbonaceous materials. The separator may be disposed between the anode and cathode. The protective sheath may include a tri-functional epoxy compound and a di-amine oligomer-based compound that can chemically react with each other. In this way, the protective sheath may prevent polysulfide migration within the battery based on chemical binding between the protective sheath and one or more lithium-containing polysulfide intermediates. The electrolyte may disperse within the cathode and contact the anode. In one implementation, a polymeric network may be deposited over one or more exposed surfaces of the anode. The polymeric network may have fluorinated polymer chains grafted with carbonaceous materials and be cross-linked with each another.

Abstract: A composition of matter suitable for incorporation into a battery electrode is disclosed. In some implementations, the composition of matter may include pores that may be defined in size or shape by several carbonaceous particles. Each of the particles may have multiple regions such that adjacent regions are separated from each other by some of the pores. Deformable regions may be distributed throughout a perimeter of each of the particles, for example, to accommodate coalescence of multiple adjacent particles. The composition of matter may also include a plurality of aggregates and a plurality of agglomerates, where each aggregate includes a multitude of the particles joined together, and each agglomerate includes a multitude of the aggregates joined together.

Abstract: The present disclosure relates to a method for producing a metal carbide, where the method includes thermally treating a molecular precursor in an oxygen-free environment, such that the treating produces the metal carbide and the molecular precursor includes where M is the metal of the metal carbide, N* includes nitrogen or a nitrogen-containing functional group, and x is between zero and six, inclusively.

Abstract: This disclosure provides a lithium (Li) ion battery that includes an anode, a cathode positioned opposite to the anode, a porous separator positioned between the anode and the cathode, and a liquid electrolyte in contact with the anode and the cathode. The anode includes an electrically conductive substrate. A first film is deposited on the electrically conductive substrate. The first film includes a first concentration of carbon particles in contact with each other and defines a first electrical conductivity for the first film. Each of the carbon particles includes a plurality of aggregates formed of few layer graphene sheets. The plurality of aggregates form a porous structure configured to undergo a lithiation, which can include any one or more of an intercalation operation or a plating operation. The anode and the cathode can include an electroactive material. The porous structure can provide conduction between the few layer graphene sheets.

Abstract: Batteries including an electrolyte with a ternary solvent package are disclosed. In various implementations, a lithium-sulfur battery may include a cathode, an anode, and an electrolyte include a ternary solvent package. The anode may be positioned opposite to the cathode. The cathode may include a plurality of regions. Each region may be defined by two or more core-shell structures adjacent to and in contact with each other. The electrolyte may be interspersed throughout the cathode and be in contact with the anode. The ternary solvent package may include 1,2-Dimethoxyethane (DME), 1,3-Dioxolane (DOL), tetraethylene glycol dimethyl ether (TEGDME), and/or one or more additives, such as lithium nitrate (LiNO3), and 4,4?-thiobisbenzenethiol (TBT) or 2-mercaptobenzothiazole (MBT), and approximately 0.01 mol of dissolved lithium bis(trifluoromethanesulfonyl)imide (LiTFSI).

Abstract: Batteries including an electrolyte with a ternary solvent package are disclosed. In various implementations, a lithium-sulfur battery may include a cathode, an anode, and an electrolyte include a ternary solvent package. The anode may be positioned opposite to the cathode. The cathode may include a plurality of regions. Each region may be defined by two or more core-shell structures adjacent to and in contact with each other. The electrolyte may be interspersed throughout the cathode and be in contact with the anode. The ternary solvent package may include 1,2-Dimethoxyethane (DME), 1,3-Dioxolane (DOL), tetraethylene glycol dimethyl ether (TEGDME), and/or one or more additives, such as lithium nitrate (LiNO3), and 4,4?-thiobisbenzenethiol (TBT) or 2-mercaptobenzothiazole (MBT), and approximately 0.01 mol of dissolved lithium bis(trifluoromethanesulfonyl)imide (LiTFSI).

Abstract: Batteries including an electrolyte with a ternary solvent package are disclosed. In various implementations, a lithium-sulfur battery may include a cathode, an anode, and an electrolyte include a ternary solvent package. The anode may be positioned opposite to the cathode. The cathode may include a plurality of regions. Each region may be defined by two or more core-shell structures adjacent to and in contact with each other. The electrolyte may be interspersed throughout the cathode and be in contact with the anode. The ternary solvent package may include 1,2-Dimethoxyethane (DME), 1,3-Dioxolane (DOL), tetraethylene glycol dimethyl ether (TEGDME), and/or one or more additives, such as lithium nitrate (LiNO3), and 4,4?-thiobisbenzenethiol (TBT) or 2-mercaptobenzothiazole (MBT), and approximately 0.01 mol of dissolved lithium bis(trifluoromethanesulfonyl)imide (LiTFSI).

Abstract: In some implementations, a metal air battery includes an anode and an cathode opposite to the anode. The cathode may be formed as a textured carbon-based scaffold and include an opening into the metal air battery. The metal air battery may include a nano-fibrous membrane (NFM) containing a liquid electrolyte and a functionalized carbon structure may be disposed between the cathode and the NFM. The functionalized carbon structure may allow moisture and oxygen from ambient air to permeate through the NFM and diffuse throughout the textured scaffold of the cathode. A moisture barrier layer may be laminated over the cathode and positioned, by a user, in one of two states. When in a first state, the moisture barrier layer may seal the opening. When in a second state, the moisture barrier layer may allow the moisture and the oxygen to enter the textured scaffold.

Abstract: In some implementations, a metal air battery includes a body defined by a metal anode and a cathode, a first separator layer disposed on the metal anode, a second separator layer disposed on the cathode, and a plurality of beads disposed within the body. The beads may confine a liquid electrolyte, and may be configured to release the liquid electrolyte into interior portions of the battery in response to a compression of the cathode into the body of the battery.

Abstract: In some implementations, a metal air battery includes a metal anode, a cathode, a body, a nano-fibrous membrane (NFM), and a hygroscopic interphase layer disposed between the cathode and the NFM. The cathode may be a carbon-based textured scaffold including a plurality of macroporous pathways to distribute oxygen and water vapor supplied by ambient air throughout the cathode and into interior portions of the body. The NFM may include dry salts to produce a liquid electrolyte when exposed to water vapor delivered by the macroporous pathways of the cathode. The hygroscopic interphase layer may include a plurality of microporous pathways configured to drain excess quantities of the water vapor from the cathode and hydrate the dry salts with the water vapor.

Abstract: Batteries including an ex-situ electrodeposition of lithium are disclosed. In various implementations, a battery may include a cathode, an anode, and a lithium layer. The anode may be positioned opposite the cathode. The anode may include a first thin film deposited on a current collector. The first thin film may include a first plurality of aggregates decorated with a first plurality of metal nanoparticles and joined together to define a first porous structure having a first conductivity. A second thin film may be deposited on the first thin film and may include a second plurality of aggregates decorated with a second plurality of metal nanoparticles and joined together to define a second porous structure having a second conductivity that is different than the first conductivity. The lithium layer may be deposited on the first and second porous structures and may have a thickness greater than 20 microns.