Abstract: Provided is a cathode mix for a lithium secondary battery, comprising a cathode active material, a conductive material and a binder, wherein the cathode mix uses a mixture of a flake-like carbon material (a), and a spherical chain-like carbon material (b) in a weight ratio (a/b) of 0.01 to 1 as the conductive material; and a lithium secondary battery comprising the same. Use of the conductive material according to the present invention can achieve simultaneous improvements in conductivity and loading density of the cathode mix, provide excellent discharge characteristics even with increased loading amounts of the cathode mix, and secure performance uniformity between the battery cells.

Abstract: Provided is an MEA for fuel cell containing hygroscopic inorganic material such as TEOS (tetraethylorthosilicate), zirconium propoxide or titanium t-butoxide.

Abstract: Disclosed is a catalyst for a partial oxidation reforming reaction of fuel in the form of disk having through-hole. In addition, according to the invention, there is provided a fuel reforming apparatus and method using the catalyst. The catalyst for a partial oxidation reforming reaction of fuel according to the invention makes it possible to progress the partial oxidation reforming reaction of fuel smoothly, to improve the efficiency when reforming the fuel and to simplify the fuel reforming reactor. According to the fuel reforming apparatus and method, since the heat of reaction is efficiently controlled and used, a simple on-off operation, reduction of starting time and a stable operational condition are accomplished, which are indispensably required for a fuel reforming system in fuel cells, such as household, portable and car fuel cells.

Abstract: Provided are a direct formic acid fuel cell capable of maintaining performance constantly through implementing the real time measurement and control of formic acid concentration.

Abstract: Disclosed is a catalyst for a partial oxidation reforming reaction of fuel in the form of disk having through-hole. In addition, according to the invention, there is provided a fuel reforming apparatus and method using the catalyst. The catalyst for a partial oxidation reforming reaction of fuel according to the invention makes it possible to progress the partial oxidation reforming reaction of fuel smoothly, to improve the efficiency when reforming the fuel and to simplify the fuel reforming reactor. According to the fuel reforming apparatus and method, since the heat of reaction is efficiently controlled and used, a simple on-off operation, reduction of starting time and a stable operational condition are accomplished, which are indispensably required for a fuel reforming system in fuel cells, such as household, portable and car fuel cells.

Abstract: Disclosed is an electrode having a novel configuration for improving performance of the electrode used in solid-oxide fuel cells, sensors and solid state devices, in which the electrode providing electron conductivity is coated with ion conductive ceramic ceria film, enabling an electron conductive path and an ion conductive path to be independently and continuously maintained, and additionally extending a triple phase boundary where electrode/electrolyte/gas are in contact, and a method for manufacturing the same. The electrode is manufactured by coating the prefabricated electrode for use in a SOFC or sensor with a porous oxygen ion conductive ceramic ceria film by a sol-gel method, whereby the electron conductive material and ion conductive material exist independently, having a new microstructure configuration with a greatly extended triple phase boundary, thus improving electrode performance.

Abstract: In a method for manufacturing Ni—Al alloy powders for electrode materials of fuel cells, in which, using aluminum chloride (AlCl3) as a catalyst, powders of Ni and Al, that have been used as electrode materials, are chemically reacted with each other to diffuse the Al into the Ni powders, so that Ni—Al alloy powders can be manufactured at a low temperature below fusion points of Ni and Al while maintaining a shape and a size of the existing Ni powders as they are, thus providing a manufacturing process of Ni—Al alloy powders that is simple, economical, compatible in working, and ready for scale-up, and in which a conventional manufacturing process of electrode based on Ni is used as it is, so that large sized electrode is manufactured.

Abstract: In a method for manufacturing Ni—Al alloy anode for fuel cells, in which, using nickel powders, Ni powders are mixed with Ni—Al alloy powders, which are hardly sintered in themselves, to assist a sintering of Ni—Al alloy, whereby Ni—Al alloy anode can be manufactured simply, economically and compatibly with mass production even by a conventional manufacturing process for an electrode.

Abstract: The present invention provides an anode for a Molten Carbonate Fuel Cell (MCFC) and a MCFC including the same, particularly an anode for the MCFC coated by a porous ceramic film, when the invention is used, the wettability of the anode to the molten carbonate used as the electrolyte for the MCFC and the amount of impregnated electrolyte will be greatly improved, and thus is very useful in viewpoint that it can prevent any electrolyte loss that is often observed in the long periods of operation of the MCFC, and maintain a high stability of the cell for an extended period of time, compared with the conventional cell. Also, the present invention itself is applicable to an electrode made of Ni-based alloys or metal compounds, which is expected to be competent MCFC materials nowadays, as well as the electrode made of Ni, Ni—Cr and Ni—Al alloy used in the present invention.

Abstract: In a method for manufacturing Ni—Al alloy powders for electrode materials of fuel cells, in which, using aluminum chloride (AlCl3) as a catalyst, powders of Ni and Al, that have been used as electrode materials, are chemically reacted with each other to diffuse the Al into the Ni powders, so that Ni—Al alloy powders can be manufactured at a low temperature below fusion points of Ni and Al while maintaining a shape and a size of the existing Ni powders as they are, thus providing a manufacturing process of Ni—Al alloy powders that is simple, economical, compatible in working, and ready for scale-up, and in which a conventional manufacturing process of electrode based on Ni is used as it is, so that large sized electrode is manufactured.

Abstract: A perforated gas-distributing plate for compact fuel cells made of a metal material such as stainless steel on which gas flow paths are formed by an etching process, and a separator plate manufactured using the gas-distributing plate are disclosed.

Abstract: The present invention provides an anode for a Molten Carbonate Fuel Cell (MCFC) and a MCFC including the same, particularly an anode for the MCFC coated by a porous ceramic film, when the invention is used, the wettability of the anode to the molten carbonate used as the electrolyte for the MCFC and the amount of impregnated electrolyte will be greatly improved, and thus is very useful in viewpoint that it can prevent any electrolyte loss that is often observed in the long periods of operation of the MCFC, and maintain a high stability of the cell for an extended period of time, compared with the conventional cell. Also, the present invention itself is applicable to an electrode made of Ni-based alloys or metal compounds, which is expected to be competent MCFC materials nowadays, as well as the electrode made of Ni, Ni—Cr and Ni—Al alloy used in the present invention.

Abstract: Disclosed is an electrode having a novel configuration for improving performance of the electrode used in solid-oxide fuel cells, sensors and solid state devices, in which the electrode providing electron conductivity is coated with ion conductive ceramic ceria film, enabling an electron conductive path and an ion conductive path to be independently and continuously maintained, and additionally extending a triple phase boundary where electrode/electrolyte/gas are in contact, and a method for manufacturing the same. The electrode is manufactured by coating the prefabricated electrode for use in a SOFC or sensor with a porous oxygen ion conductive ceramic ceria film by a sol-gel method, whereby the electron conductive material and ion conductive material exist independently, having a new microstructure configuration with a greatly extended triple phase boundary, thus improving electrode performance.