Abstract: The present invention relates to a method for differentiating a spherical neural mass (SNM) into retinal outer layer cells, and a composition containing the retinal outer layer cells prepared by the differentiation method. If the differentiation method of the present invention is used, the SNM can be efficiently differentiated into retinal outer layer cells, and thus the present invention can be effectively used in research development and commercialization related thereto.

Abstract: A method of manufacturing quantum dots includes placing nickel powder having a certain particle size, a precursor material, and an organic solvent into a container, maintaining a pressure in the container at a certain value, and synthesizing quantum dots by stirring the nickel powder, the precursor material, and the organic solvent in the container.

Abstract: Provided are a thermal battery system and an ignition method of the same, wherein the thermal battery system includes: a thermal battery assembly including a plurality of thermal batteries arranged in series and in parallel; an ignition circuit connected to the plurality of thermal batteries in the thermal battery assembly; and a control unit configured to control the ignition circuit such that each of the plurality of thermal batteries in the thermal battery assembly is selectively ignited, wherein the control unit is configured to selectively ignite one of the plurality of thermal batteries in an active matrix manner by controlling an ignition circuit.

Abstract: A lithium anode of a thermal battery may include a metal alloy foam in which a plurality of pores is formed and including nickel (Ni), iron (Fe), chromium (Cr), and aluminum (Al) mixed in a predetermined composition ratio, and lithium impregnated into the metal alloy foam in a molten state and accommodated in the pores, wherein the chromium in the composition ratio may facilitate the impregnation of the lithium into the pores and reduce the reactivity of the metal alloy foam to the lithium at an operating temperature of the thermal battery, and the aluminum in the composition ratio may facilitate the impregnation of the lithium into the pores and prevent the lithium from penetrating into a surface of the metal alloy foam.

Abstract: A lithium anode of a thermal battery may include a metal alloy foam in which a plurality of pores is formed and including nickel (Ni), iron (Fe), chromium (Cr), and aluminum (Al) mixed in a predetermined composition ratio, and lithium impregnated into the metal alloy foam in a molten state and accommodated in the pores, wherein the chromium in the composition ratio may facilitate the impregnation of the lithium into the pores and reduce the reactivity of the metal alloy foam to the lithium at an operating temperature of the thermal battery, and the aluminum in the composition ratio may facilitate the impregnation of the lithium into the pores and prevent the lithium from penetrating into a surface of the metal alloy foam.

Abstract: A method of manufacturing quantum dots includes placing nickel powder having a certain particle size, a precursor material, and an organic solvent into a container, maintaining a pressure in the container at a certain value, and synthesizing quantum dots by stirring the nickel powder, the precursor material, and the organic solvent in the container.

Abstract: A lithium coating method includes: coating an oxide layer having lithiophilic properties on a metal material by heating the metal material at a certain temperature; and coating a lithium layer on the oxide layer by bringing the metal material coated with the oxide layer into contact with molten lithium.

Abstract: A lithium coating method includes: coating an oxide layer having lithiophilic properties on a metal material by heating the metal material at a certain temperature; and coating a lithium layer on the oxide layer by bringing the metal material coated with the oxide layer into contact with molten lithium.

Abstract: Provided are a thermal battery system and an ignition method of the same, wherein the thermal battery system includes: a thermal battery assembly including a plurality of thermal batteries arranged in series and in parallel; an ignition circuit connected to the plurality of thermal batteries in the thermal battery assembly; and a control unit configured to control the ignition circuit such that each of the plurality of thermal batteries in the thermal battery assembly is selectively ignited, wherein the control unit is configured to selectively ignite one of the plurality of thermal batteries in an active matrix manner by controlling an ignition circuit.

Abstract: A composite solid electrolyte where self-discharge at room temperature is fundamentally prevented by adding a molten salt powder, which is an electric insulator at room temperature, or applying a molten salt passivation layer. The composite solid electrolyte includes: molten salt powder particles having electrical insulating properties at room temperature; and solid electrolyte powder particles on which surfaces thereof the molten salt powder particles are combined.

Abstract: A lithium anode of a thermal battery may include a metal alloy foam in which a plurality of pores is formed and including nickel (Ni), iron (Fe), chromium (Cr), and aluminum (Al) mixed in a predetermined composition ratio, and lithium impregnated into the metal alloy foam in a molten state and accommodated in the pores, wherein the chromium in the composition ratio may facilitate the impregnation of the lithium into the pores and reduce the reactivity of the metal alloy foam to the lithium at an operating temperature of the thermal battery, and the aluminum in the composition ratio may facilitate the impregnation of the lithium into the pores and prevent the lithium from penetrating into a surface of the metal alloy foam.

Abstract: This invention relates to a lithium-sulfur battery and a method of manufacturing the same, and more particularly, to a molten salt-based lithium-sulfur battery and a method of manufacturing the same, in which a metal foam including lithium or a lithium alloy, as an anode active material, and sulfur or metal sulfide, as a cathode active material, is used as a support and a current collector, and a solid-state electrolyte is used to thus improve energy density and power output characteristics.

Abstract: A dual ignition structure for a thermal battery includes a header assembly positioned at an upper part of the thermal battery and including a contact terminal, an upper igniter connected to the contact terminal of the header assembly, an upper assembly supporting the upper igniter; a lower igniter positioned at a lower part of the thermal battery and coupled to the upper igniter in a symmetrical manner, a lower assembly supporting the lower igniter; and a nickel current collector connecting the upper igniter and the lower igniter.

Abstract: This invention relates to a lithium-sulfur battery and a method of manufacturing the same, and more particularly, to a molten salt-based lithium-sulfur battery and a method of manufacturing the same, in which a metal foam including lithium or a lithium alloy, as an anode active material, and sulfur or metal sulfide, as a cathode active material, is used as a support and a current collector, and a solid-state electrolyte is used to thus improve energy density and power output characteristics.