Abstract:
A composite negative active material including a piezoelectric material; and a negative active material. Also a negative electrode including the composite negative active material, and a lithium secondary battery including the negative electrode.
Abstract:
An all-solid secondary battery including: a cathode layer including a cathode active material; an anode layer; and a solid electrolyte layer including a solid electrolyte disposed between the cathode layer and the anode layer, wherein the anode layer includes an anode current collector, a first anode active material layer in contact with the solid electrolyte layer, and a second anode active material layer disposed between the anode current collector and the first anode active material layer, wherein the first anode active material layer includes a first metal and has a lithium-ion reduction potential greater than a reduction potential of the solid electrolyte, and wherein the second anode active material layer includes a second metal, and a solid solubility of lithium (Li) in the second metal is greater than a solid solubility of lithium in the first metal.
Abstract:
A composite negative active material including a piezoelectric material; and a negative active material. Also a negative electrode including the composite negative active material, and a lithium secondary battery including the negative electrode.
Abstract:
An anode for a solid-state secondary battery, the anode including: a three-dimensional porous current collector including a plurality of pores having a lithiophilic property, and having a porosity of about 10 percent to about 99 percent, based on a total volume of the three-dimensional current collector, wherein pores of the plurality of the pores have a size and a pitch, and a ratio of the size to the pitch is about 0.1 to about 0.9; and a first anode active material layer disposed on a first side of the three-dimensional porous current collector, wherein the first anode active material layer is disposed in at least a portion of the pores of the three-dimensional porous current collector.
Abstract:
A composite cathode active material and a cathode and a lithium battery including the composite cathode active material. The composite cathode active material has a core including a plurality of primary particles including a nickel-containing first lithium transition metal oxide having a layered crystal structure; a grain boundary disposed between adjacent primary particles of the plurality of primary particles; and a shell on the core, the shell including a second lithium transition metal oxide having a spinel crystal structure, wherein the grain boundary includes a first composition having a spinel crystal structure.
Abstract:
A composite cathode active material and a cathode and a lithium battery including the composite cathode active material. The composite cathode active material has a core including a plurality of primary particles including a nickel-containing first lithium transition metal oxide having a layered crystal structure; a grain boundary disposed between adjacent primary particles of the plurality of primary particles; and a shell on the core, the shell including a second lithium transition metal oxide having a spinel crystal structure, wherein the grain boundary includes a first composition having a spinel crystal structure.
Abstract:
Provided are a module for real-time thermal behavior analysis of a secondary cell battery and a method of operating the module. The module includes a region for mounting a sample battery, a region for mounting a reference battery, and a housing covering the two regions and having an adiabatic characteristic. The region for mounting the sample battery is defined by two partitions facing each other. In addition, the region for mounting the reference battery is defined by two partitions facing each other. The region for mounting the sample battery is a region for vertically or horizontally mounting the sample battery. The region for mounting the reference battery is a region for vertically or horizontally mounting the reference battery.
Abstract:
An in-situ X-ray analyzed coin cell battery includes a case, a cap combined with the case, and an energy storage member provided between the case and the cap. A hole through which an X-ray is irradiated is defined in at least one of the case and the cap.
Abstract:
An in-situ coin cell includes a case, a cap coupled to the case, and an energy storage member disposed between the case and the cap, where a through hole is defined in at least one of the case and the cap, the energy storage member includes a current collector adjacent to the through hole, and another through hole is defined in the current collector. The in-situ coin cell may further include a transparent window between the current collector and at least one of the through holes.
Abstract:
An in-situ X-ray analyzed coin cell battery includes a case, a cap combined with the case, and an energy storage member provided between the case and the cap. A hole through which an X-ray is irradiated is defined in at least one of the case and the cap.