Abstract: A lithium ion oxygen battery capable of achieving a high energy density without being decreased in performance due to moisture or carbon dioxide in the atmosphere is provided. A lithium ion oxygen battery 1 comprises a positive electrode 2 containing oxygen as an active material and a lithium source, a negative electrode 3 made of a material capable of occluding or releasing lithium ions, and an electrolyte layer 4 sandwiched between the positive electrode 2 and the negative electrode 3 and capable of conducting the lithium ions. The positive electrode 2, the negative electrode 3, and the electrolyte layer 4 are housed in a hermetic case 5. The positive electrode 2 comprises an oxygen storage material and a lithium compound (excluding a combined metal oxide of lithium and another metal) as the lithium source.

Abstract: Provided is a metal oxygen battery having an excellent charge/discharge capacity and cycle performance. A metal oxygen battery includes a positive electrode containing an oxygen-storing material and to which oxygen is applied as an active substance, a negative electrode to which a metal is applied as an active substance, an electrolyte layer disposed between the positive electrode and the negative electrode, and a case hermetically housing the positive electrode, the negative electrode and the electrolyte layer. The oxygen-storing material has the functions of, during discharge, ionizing stored oxygen and releasing ionized oxygen, and causing the ionized oxygen to react with metal ions permeating from the negative electrode through the electrolyte layer into the positive electrode to thereby form a metal oxide, and of, during charge, storing oxygen by reduction of the metal oxide. The metal oxide formed during discharge contains an amorphous oxide.

Abstract: Aims at providing a metal oxygen battery capable of supplying oxygen and perform charge/discharge stably. A metal oxygen battery 1 includes a positive electrode 2 to which oxygen is applied as an active substance, a negative electrode 3 to which a metal is applied as an active substance, an electrolyte layer 4 disposed between the positive electrode 2 and the negative electrode 3, and a case 5 hermetically housing the positive electrode 2, the negative electrode 3, and the electrolyte layer 4. The positive electrode 2 includes an oxygen-storing material having a catalyst function with respect to a cell reaction, and a function of, during discharge, ionizing oxygen and binding the oxygen with metal ions transferring from the negative electrode 3 through the electrolyte layer 4 to the positive electrode 2 to thereby form a metal oxide, and during charge, reducing the metal oxide and storing oxygen.

Abstract: There is provided a metal oxygen battery which uses an oxygen-storing material containing YMnO3 as a positive electrode material, and can reduce the discharge overpotential. The metal oxygen battery 1 has a positive electrode 2 to which oxygen is applied as an active substance, a negative electrode 3 to which metallic lithium is applied as an active substance, and an electrolyte layer 4 interposed between the positive electrode 2 and the negative electrode 3. The positive electrode 2 contains, as an oxygen-storing material, a composite metal oxide obtained by crushing and mixing a yttrium salt, a manganese salt and an organic acid, primarily calcining the mixture, and thereafter, adding a zirconium salt to the obtained primarily calcined material, and secondarily calcining the mixture, the composite metal oxide containing YMnO3 and ZrO2.

Abstract: There is provided a metal oxygen battery which is capable of obtaining superior batter capacity when starting use from charging. In the metal oxygen battery 1 including a positive electrode 2, which includes an oxygen-storing material and lithium oxide, and uses oxygen as an active substance, a negative electrode 3 capable of absorbing and discharging lithium ions, and an electrolyte layer 4 interposed between the positive electrode 2 and the negative electrode 3, in which the positive electrode 2, the negative electrode 3, and the electrolyte layer 4 are hermetically accommodated in a case 5, the oxygen-storing material has an oxygen amount stored at a start of charge lime diluted.

Abstract: A metal air battery capable of obtaining larger charge-discharge capacity than before, is provided. The metal air battery 1 includes a negative electrode 2 including one metal selected from the group consisting of Li, Zn, Mg, Al, and Fe, a positive electrode 3 including a mixture of a carbon material and an oxygen-storing material, and an electrolyte interposed between the negative electrode and the positive electrode. The electrolyte is immersed in a separator 4. The negative electrode 2 includes metal Li. The oxygen-storing material includes a composite oxide of yttrium and manganese. The oxygen-storing material preferably has a hexagonal structure.

Abstract: There is provided a metal oxygen battery which uses an oxygen-storing material of a composite oxide containing Y and Mn as a positive electrode material, and can reduce the reaction overpotential. The metal oxygen battery 1 has a positive electrode 2 to which oxygen is applied as an active substance, a negative electrode 3 to which metallic lithium is applied as an active substance, and an electrolyte layer 4 interposed between the positive electrode 2 and the negative electrode 3. The positive electrode 2 contains an oxygen-storing material of YMn1-xAxO3 wherein A=Ru, Ni, or Co, and 0.01?x?0.2.

Abstract: There is provided a metal oxygen battery which uses an oxygen-storing material of a composite oxide containing YMnO3 as a positive electrode material, and can reduce the charge overpotential. The metal oxygen battery 1 has a positive electrode 2 using oxygen as an active substance, a negative electrode 3 using metallic lithium as an active substance, and an electrolyte layer 4 interposed between the positive electrode 2 and the negative electrode 3. The positive electrode 2 contains an oxygen-storing material of YMnO3 and a reducing catalyst.

Abstract: According to a first embodiment of a production method of an oxidation catalyst device for exhaust gas purification of the present invention, a plurality of slurries containing a catalyst precursor prepared from mutually different organic acids is coated respectively on a porous filter carrier (2) and calcined. According to a second embodiment of the present invention, the slurry contains the catalyst precursor having a particle diameter distribution ranging from 0.5 to 10 ?m, and the slurry has a viscosity equal to or below 2.0 mPa·s. The oxidation catalyst device of the present invention is composed of a composite metal oxide on a surface of a cell division and a surface of an air pore of the porous filter carrier having a wall-flow structure.

Abstract: The invention provides a catalyst for catalytically removing three components which are carbon monoxide, hydrocarbons and nitrogen oxides from combustion exhaust gas generated by combusting fuel in the neighborhood of the stoichiometric air to fuel ratio by bringing the combustion exhaust gas into contact therewith, the catalyst comprising: (A) a first catalyst component comprising at least one member selected from rhodium, platinum, and palladium in a content of 0.01 to 0.5% by weight; and (B) a second catalyst component, which is the remainder, comprising a composite oxide or a mixed oxide comprising (a) at least one oxide selected from zirconium oxide and titanium oxide, and (b) an oxide of at least one element selected from praseodymium, yttrium, neodymium, tungsten, niobium, silicon, and aluminum, wherein the content of the oxide (a) in the composite oxide or the mixed oxide is in a range of 70 to 95% by weight.

Abstract: The present invention provides a method of producing an oxidation catalyst for cleaning exhaust gas, capable of achieving an excellent catalytic activity at a lower temperature for particulates and high boiling point hydrocarbons in exhaust gas from internal-combustion engines. A primary firing is performed after mixing nitrate of a first metal element Ln, manganese nitrate, and oxide of a third metal element A. A resultant material from the primary firing is subjected to grinding and then a secondary firing is performed at the range of 600 to 1200° C. for 1 to 5 hours. By doing so, a catalyst comprising a composite metal oxide represented by the general formula LnyMn1-xAxO3 is obtained.

Abstract: A method of producing an oxidation catalyst for cleaning exhaust gas, excellent in the function of oxidizing high boiling point materials such as particulates and polycyclic aromatic hydrocarbons contained in the exhaust gas of internal-combustion engines is provided. Metal elements A and B are selected so that the value of the ionic radius of metal element A/the ionic radius of metal element B is in the range of from 1.349 to 1.580. After reacting the grind mixed material of the first metal element A, the second metal element B, and urea, the reactant material is grind mixed, and thereafter subjected to firing at 600 to 1200° C. for 1 to 5 hours. By doing so, an oxidation catalyst for cleaning exhaust gas comprising a composite oxide represented by the general formula ABO3 is obtained.

Abstract: An oxidation catalyst for purifying an exhaust gas, which can provide an excellent catalyst activity at lower temperatures for particulates and high boiling point hydrocarbons in an exhaust gas of an internal combustion engine, is provided. The oxidation catalyst for purifying an exhaust gas is composed of a composite metal oxide represented by the general formula: Y1-xAgxMnO3, wherein 0.01?x?0.15. The composite metal oxide is represented by the general formula: Y1-xAgxMn1-yAyO3, wherein A is one metal selected from the group consisting of Ti, Nb, Ta and Ru, and 0.005?y?0.2.

Abstract: According to a first embodiment of a production method of an oxidation catalyst device for exhaust gas purification of the present invention, a plurality of slurries containing a catalyst precursor prepared from mutually different organic acids is coated respectively on a porous filter carrier (2) and calcined. According to a second embodiment of the present invention, the slurry contains the catalyst precursor having a particle diameter distribution ranging from 0.5 to 10 ?m, and the slurry has a viscosity equal to or below 2.0 mPa·s. The oxidation catalyst device of the present invention is composed of a composite metal oxide on a surface of a cell division and a surface of an air pore of the porous filter carrier having a wall-flow structure.

Abstract: A method of producing an oxidation catalyst for cleaning exhaust gas, excellent in the function of oxidizing high boiling point materials such as particulates and polycyclic aromatic hydrocarbons contained in the exhaust gas of internal-combustion engines is provided. Metal elements A and B are selected so that the value of the ionic radius of metal element A/the ionic radius of metal element B is in the range of from 1.349 to 1.580. After reacting the grind mixed material of the first metal element A, the second metal element B, and urea, the reactant material is grind mixed, and thereafter subjected to firing at 600 to 1200° C. for 1 to 5 hours. By doing so, an oxidation catalyst for cleaning exhaust gas comprising a composite oxide represented by the general formula ABO3 is obtained.

Abstract: The present invention provides an oxidation catalyst for cleaning exhaust gas, capable of achieving an excellent catalytic activity at a lower temperature for particulates and high boiling point hydrocarbons in exhaust gas from internal-combustion engines. The oxidation catalyst for cleaning exhaust gas according to the present invention is a composite metal oxide represented by the general formula: LnyMn1-xAxO3, wherein Ln is a metal selected from the group consisting of Sc, Y, Ho, Er, Tm, Yb, and Lu; A is a metal selected from the group consisting of Ti, Nb, Ta, and Ru; 0.005?x?0.2; and 0.9?y?1. Ln is Y. The composite metal oxide has a hexagonal structure.

Abstract: The present invention provides a method of producing an oxidation catalyst for cleaning exhaust gas, capable of achieving an excellent catalytic activity at a lower temperature for particulates and high boiling point hydrocarbons in exhaust gas from internal-combustion engines. A primary firing is performed after mixing nitrate of a first metal element Ln, manganese nitrate, and oxide of a third metal element A. A resultant material from the primary firing is subjected to grinding and then a secondary firing is performed at the range of to 1200° C. for 1 to 5 hours. By doing so, a catalyst comprising a composite metal oxide represented by the general formula LnyMn1-xAxO3 is obtained.

Abstract: To provide an oxidation catalyst apparatus for purifying an exhaust gas which enables to oxidize and purify particulate matter in the exhaust gas of an internal combustion engine at a lower temperature.

Abstract: To provide a production process of an oxidation catalyst apparatus for purifying an exhaust gas which enables to oxidize and purify particulate matter in the exhaust gas of an internal combustion engine at a lower temperature. The production process of the oxidation catalyst apparatus 1 for purifying an exhaust gas comprises a step of burning a plurality of metal compounds to obtain a burnt product, a step of mixing and grinding the obtained burnt product with water and a binder which is a sol comprising zirconia to prepare a slurry, a step of applying the slurry to a porous filter base material 2, and a step of burning the porous filter base material 2 to form a porous catalyst layer 3 supported on the porous filter base material 2. The porous catalyst layer 3 has a thickness in a range of 10 to 150 ?m and fine pores having a diameter in a range of 0.01 to 5 ?m, the total porosity of and the porous filter base material 2 and the porous catalyst layer 3 have a porosity of 35 to 70% as a whole.

Abstract: An oxidation catalyst for purifying an exhaust gas, which can provide an excellent catalyst activity at lower temperatures for particulates and high boiling point hydrocarbons in an exhaust gas of an internal combustion engine, is provided. The oxidation catalyst for purifying an exhaust gas is composed of a composite metal oxide represented by the general formuala: Y1-xAgxMnO3, wherein 0.01?x?0.15. The composite metal oxide is represented by the general formula: Y1-xAgxMn1-yAyO3, wherein A is one metal selected from the group consisting of Ti, Nb, Ta and Ru, and 0.005?y?0.2.