Abstract: Thermal interface materials and methods of manufacturing the same are disclosed. The thermal interface material can include a matrix and a filler. The filler can include graphene and multilayer graphene disposed within the matrix. Alternatively, the thermal interface material can also include a matrix, a metallic filler, and a graphene filler.

Abstract: The present disclosure provides a separator and a lithium-ion secondary battery. The separator comprises: a microporous membrane having micropores; and a coating provided on a surface of the microporous membrane. The coating comprises polymer particles and binder particles. The polymer particle is a hollow shell structure which comprises a shell and a cavity positioned in the shell, an outer surface of the shell is distributed with nanopores which are communicated with the cavity, a particle diameter of the polymer particle is larger than a pore size of the micropore of the microporous membrane; a particle diameter of the binder particle is larger than the pore size of the micropore of the microporous membrane. The lithium-ion secondary battery comprises: a positive electrode plate; a negative electrode plate; the aforementioned separator interposed between the positive electrode plate and the negative electrode plate; and an electrolyte.

Abstract: A positive electrode catalyst, for use in a positive electrode in a device provided with the positive electrode and a negative electrode, in which a reaction represented by 4OH??O2+2H2O+4e? is performed on a side of the positive electrode. The positive electrode catalyst includes a layered metal oxide, wherein the layered metal oxide is a Ruddlesden-Popper type layered perovskite represented by (La1-xAx) (Fe1-yBy)3(Sr1-zCz)3O10-a wherein, A is a rare earth element other than La, B is a transition metal other than Fe, and C is an alkaline earth metal other than Sr; and x satisfies an expression: 0?x<1, y satisfies an expression: 0?y<1, z satisfies an expression: 0?z<1, and a satisfies an expression: 0?a?3.

Abstract: A battery cooling structure includes a cooling plate and an electrically insulative sheet. The cooling plate is to support a cooling surface of a battery module to cool the battery module including a plurality of battery cells arranged side by side. The electrically insulative sheet has an electrical non-conductivity and is disposed between the cooling surface of the battery module and the cooling plate to transfer heat from the cooling surface to the cooling plate.

Abstract: The disclosure is related to battery systems. More specifically, embodiments of the disclosure provide a nanostructured conversion material for use as the active material in battery cathodes. In an implementation, a nanostructured conversion material is a glassy material and includes a metal material, one or more oxidizing species, and a reducing cation species mixed at a scale of less than 1 nm. The glassy conversion material is substantially homogeneous within a volume of 1000 nm3.

Abstract: In the case where a film, which has lower strength than a metal can, is used as an exterior body of a secondary battery, a current collector provided in a region surrounded by the exterior body, an active material layer provided on a surface of the current collector, or the like might be damaged when force is externally applied to the secondary battery. A secondary battery that is durable even when force is externally applied thereto is provided. A region that is easily partly bent and a region that is not easily partly bent owing to a protective material provided in the region are intentionally formed to obtain the durable secondary battery.

Abstract: The disclosure is related to battery systems. More specifically, embodiments of the disclosure provide a nanostructured conversion material for use as the active material in battery cathodes. In an implementation, a nanostructured conversion material is a glassy material and includes a metal material, one or more oxidizing species, and a reducing cation species mixed at a scale of less than 1 nm. The glassy conversion material is substantially homogeneous within a volume of 1000 nm3.

Abstract: A reactive separator is provided for a metal-ion battery. The reactive separator is made up of a reactive layer that is chemically reactive to alkali or alkaline earth metals, and has a first side and a second side. A first non-reactive layer, chemically non-reactive with alkali or alkaline earth metals, is adjacent to the reactive layer first side. A second non-reactive layer, also chemically non-reactive with alkali or alkaline earth metals, is adjacent to the reactive layer second side. More explicitly, the first and second non-reactive layers are defined as having less than 5 percent by weight (wt %) of materials able to participate in electrochemical reactions with alkali or alkaline earth metals. The reactive layer may be formed as a porous membrane embedded with reactive components, where the porous membrane is carbon or a porous polymer. Alternatively, the reactive layer is formed as a polymer gel embedded with reactive components.

Abstract: An active material used for an electrochemical device utilizing Li ion conduction, and capable of improving cycle stability. The object is attained by providing an active material used for an electrochemical device utilizing Li ion conduction, including an active substance capable of absorbing and releasing a Li ion, and an Na ion conductor disposed on the surface of the active substance and having a polyanionic structure.

Abstract: An object of the present invention is to provide a secondary battery that is able to inhibit the growth of a dendrite that can generate from an electrode comprising alkali metal and a separator used therein. A secondary battery, comprising: a positive electrode; a negative electrode comprising alkali metal; a separator comprising a layer of tetrafluoroethylene (TFE) polymer or copolymer that reacts with a dendrite of the alkali metal, the separator being hydrophilized at a rate of not less than 10% and not more than 80%; and a layer that does not react with a dendrite of the alkali metal located between the separator and the negative electrode, and a separator used therein.

Abstract: A method is provided for forming a metal battery electrode with a pyrolyzed coating. The method provides a metallorganic compound of metal (Me) and materials such as carbon (C), sulfur (S), nitrogen (N), oxygen (O), and combinations of the above-listed materials, expressed as MeXCYNZSXXOYY, where Me is a metal such as tin (Sn), antimony (Sb), or lead (Pb), or a metal alloy. The method heats the metallorganic compound, and as a result of the heating, decomposes materials in the metallorganic compound. In one aspect, decomposing the materials in the metallorganic compound includes forming a chemical reaction between the Me particles and the materials. An electrode is formed of Me particles coated by the materials. In another aspect, the Me particles coated with a material such as a carbide, a nitride, a sulfide, or combinations of the above-listed materials.

Abstract: A method for producing an electrolyte emulsion, the method including: Step (1) in which an ethylenic fluoromonomer and a fluorovinyl compound having an SO2Z1 group, wherein Z1 is a halogen element, are copolymerized at a polymerization temperature of 0° C. or higher and 40° C. or lower to provide a precursor emulsion containing a fluoropolymer electrolyte precursor; and Step (2) in which a basic reactive liquid is added to the precursor emulsion and the fluoropolymer electrolyte precursor is chemically treated, whereby an electrolyte emulsion with a fluoropolymer electrolyte dispersed therein is provided, wherein the electrolyte emulsion has an equivalent weight (EW) of 250 or more and 700 or less.

Abstract: A flow cell includes a separator and anode that define a flow cavity. The flow cell also includes an electrically conductive corrugated flow screen disposed within the cavity and electrically connected with the anode such that the flow screen, during charge, provides an electric shield to hinder deposition of metal between the anode and flow screen and to promote deposition of metal between the separator and flow screen.

Abstract: A cooling element to cool a component of a battery system, and a battery system having at least on cooling element. The cooling element includes a top cooling element part, a bottom cooling element part spatially under the top cooling element part, at least one cooling duct between the top cooling element part and the bottom cooling element part, and through which a cooling medium is to flow, and a Peltier element arranged resting against the bottom cooling element part so as to lie at least partially at the height of the at least one cooling duct.

Abstract: An electrode active material layer containing an electrode active material and a binder. The binder is distributed in the electrode active material layer such that the amount of the binder increases continuously from an outer surface of the electrode active material layer toward the core. The amount of the binder present in the electrode active material layer per unit thickness is less than 10 in a region extending from a position 90% of the thickness of the electrode active material layer to a position 100% of the thickness of the electrode active material layer from a surface of the electrode active material layer facing the core, with 10 being assigned to the amount of the binder present in the electrode active material layer per unit thickness if the binder is uniformly distributed in the electrode active material layer.

Abstract: A method is provided for the self-repair of a transition metal cyanometallate (TMCM) battery electrode. The battery is made from a TMCM cathode, an anode, and an electrolyte including solution formed from a solvent and an alkali or alkaline earth salt. The electrolyte includes an additive represented as G-R-g: where G and g are independently include materials with nitrogen (N) sulfur (S), oxygen (O), or combinations of the above-recited elements; and where R is an alkene or alkane group. In response to charging and discharging the battery in a plurality of cycles, the method creates vacancies in a surface of the TMCM cathode. Then, the method fills the vacancies in the surface of the TMCM cathode with the electrolyte additive. An electrolyte and TMCM battery using the above-mentioned additives are also provided.

Abstract: A method of manufacturing a secondary battery, which is capable of simplifying a processing method. The method includes preparing a cap plate that closes an opening of a case, the case accommodating an electrode assembly therein and having the opening at an end thereof, forming a short-circuit portion and a vent portion on the cap plate, performing a first heat treatment on the short-circuit portion, and performing a second heat treatment on the vent portion. The secondary battery manufactured by this method is economical because the processing method is simplified and a manufacturing cost is reduced.

Abstract: A positive electrode for a lithium ion secondary battery, the positive electrode including: a coated particle including a positive active material particle and a reactive layer on the surface of the positive active material particle; and a sulfide-containing solid electrolyte particle which is in contact with the coated particle, wherein the reactive layer includes a reactive element other than lithium and oxygen, wherein the reactive element has a reactivity with the sulfide-containing solid electrolyte particle which is greater than with a reactivity of the reactive element with a transition metal element included in the positive active material particle, and wherein a ratio of a thickness of the reactive layer to a particle diameter of the positive active material particle is in a range of about 0.0010 to about 0.25.

Abstract: The preset invention relates to a solid oxide fuel cell stack capable of producing electricity, in which unit cell modules are connected in series and in parallel, and to a manufacturing method thereof. The solid oxide fuel cell stack is manufactured by: making a unit cell module comprising at least one unit cell formed on the outer surfaces of a flat tubular support, a first electrical interconnector formed on the front end of the support and at least a portion of the outer surfaces so as to be connected to a first electrode of the unit cell, and a second electrical interconnector formed on the rear end of the support and at least a portion of the outer surfaces so as to be connected to a second electrode of the unit cell; and stacking the unit cell modules such that the electrical interconnectors come into contact with each other.

Abstract: Hearing devices configured to fit within the bony portion of the ear canal and batteries that may be used with same.