摘要:
A method for producing nano-carbon materials, having a step wherein a starting material comprising one or more kinds of compounds selected from the group consisting saturated hydrocarbons, unsaturated hydrocarbons, saturated cyclic hydrocarbons, and alcohols whose atomic ratio of the component carbon to the component oxygen is more than 2.0 and a catalyst are together treated at a temperature in a range of from 100 to 800° C. while being compressed at a pressure in a range of from 0.2 to 60 MPa, where said starting material is converted into a supercritical fluid or a subcritical fluid while said supercritical fluid or said subcritical fluid being contacted with said catalyst, or a step wherein said starting material, said catalyst and a supplementary material capable of functioning as a reaction promotion medium are together treated at a temperature in a range of from 100 to 800° C. while being compressed at a pressure in a range of from 0.2 to 60 MPa, where at least said supplementary material is converted into a supercritical fluid or a subcritical fluid and said starting material is contacted with said supercritical fluid or said subcritical fluid formed from said supplementary material while being contacted with said catalyst.
摘要:
A method for producing nano-carbon materials, having a step wherein a starting material comprising one or more kinds of compounds selected from the group consisting saturated hydrocarbons, unsaturated hydrocarbons, saturated cyclic hydrocarbons, and alcohols whose atomic ratio of the component carbon to the component oxygen is more than 2.0 and a catalyst are together treated at a temperature in a range of from 100 to 800° C. while being compressed at a pressure in a range of from 0.2 to 60 MPa.
摘要:
A carbonaceous particle is provided which comprises a hexagonal flake formed of an aggregate of a plurality of nanocarbons and having a side length of 0.1 to 100 mm and a thickness of 10 nm to 1 mm. Thereby, a carbonaceous particle is provided which has an excellent electron emission performance, has a high electron conductivity, shows excellent characteristics particularly when used for a secondary battery, and can suitably be applied to various devices other than a secondary battery as well.
摘要:
A carbonaceous particle is provided which comprises a hexagonal flake formed of an aggregate of a plurality of nanocarbons and having a side length of 0.1 to 100 mm and a thickness of 10 nm to 1 mm. Thereby, a carbonaceous particle is provided which has an excellent electron emission performance, has a high electron conductivity, shows excellent characteristics particularly when used for a secondary battery, and can suitably be applied to various devices other than a secondary battery as well.
摘要:
An electrode material for a lithium secondary battery which includes particles each having a central portion and a surface portion covering the surface of the central portion. The central portion occupies 80 to 99% of a distance from a center to an outermost surface of the particle and the surface portion occupies 20 to 1% of the distance. The central portion includes LiM1-aDaO2 (M represents Co or Ni, D represents a transition metal element or Al replacing a part of Co or Ni as M, and M is not the same as D) having an α-NaFeO2 structure. The surface portion includes LiM1-bEbO2 (M represents Co or Ni, E represents a metal element replacing a part of Co or Ni as M, and M is not the same as E) having an α-NaFeO2 structure. The content of element E in the central portion satisfies the relation of E/(M+D+E)
摘要翻译:一种用于锂二次电池的电极材料,其包括各自具有覆盖中心部分的表面的中心部分和表面部分的颗粒。 中心部分占颗粒中心至最外表面的距离的80至99%,表面部分占据距离的20%至1%。 中心部分包括LiM1-aDaO2(M表示Co或Ni,D表示过渡金属元素或Al替代部分Co或Ni作为M,M与D不同)具有α-NaFeO2结构。 表面部分包括LiM1-bEbO2(M表示Co或Ni,E表示替代部分Co或Ni作为M的金属元素,M与E不同)具有α-NaFeO 2结构。 中心部分的元素E的含量以原子比满足E /(M + D + E)<0.05的关系,表面部分中的元素D的含量满足D /(M + D + E)<0.05。
摘要:
An electrode material for a lithium secondary battery which includes particles each having a central portion and a surface portion covering the surface of the central portion. The central portion occupies 80 to 99% of a distance from a center to an outermost surface of the particle and the surface portion occupies 20 to 1% of the distance. The central portion includes LiM1-aDaO2 (M represents Co or Ni, D represents a transition metal element or Al replacing a part of Co or Ni as M, and M is not the same as D) having an α-NaFeO2 structure. The surface portion includes LiM1-bEbO2 (M represents Co or Ni, E represents a metal element replacing a part of Co or Ni as M, and M is not the same as E) having an α-NaFeO2 structure. The content of element E in the central portion satisfies the relation of E/(M+D+E)
摘要翻译:一种用于锂二次电池的电极材料,其包括各自具有覆盖中心部分的表面的中心部分和表面部分的颗粒。 中心部分占颗粒中心至最外表面的距离的80至99%,表面部分占据距离的20%至1%。 中心部分包括LiM1-aDaO2(M表示Co或Ni,D表示过渡金属元素或Al替代部分Co或Ni作为M,M与D不同)具有α-NaFeO2结构。 表面部分包括LiM1-bEbO2(M表示Co或Ni,E表示替代部分Co或Ni作为M的金属元素,M与E不同)具有α-NaFeO 2结构。 中心部分的元素E的含量以原子比满足E /(M + D + E)<0.05的关系,表面部分中的元素D的含量满足D /(M + D + E)<0.05。
摘要:
An electrode material for a lithium secondary battery which includes particles each having a central portion and a surface portion covering the surface of the central portion. A distance from a center to an outermost surface of the particle is occupied 80 to 99% by the central portion and 1 to 20% by the surface portion. The central portion includes LiM1-aDaO2 having an α-NaFeO2 structure, and the surface portion includes LiM1-bEbO2 having an α-NaFeO2 structure. (M is C or Ni; D is a transition metal element or Al replacing a part of Co or Ni as M; E is a metal element replacing a part of Co or Ni as M; and M is not the same as D or E.) The following relationships are satisfied in the central portion, in terms of atomic ratio: D/(M+D+E)
摘要翻译:一种用于锂二次电池的电极材料,其包括各自具有覆盖中心部分表面的中心部分和表面部分的颗粒。 从中心到颗粒的最外表面的距离由中心部分占80〜99%,表面部分占1〜20%。 中心部分包括具有α-NaFeO 2 N 2结构的LiM 1-a N a O 2 O 2,和 表面部分包括具有α-NaFeO 2 N 2结构的LiM 1-b C b O 2 O 2。 (M为C或Ni; D为过渡金属元素或Al替代Co或Ni的一部分为M; E为将部分Co或Ni替代为M的金属元素; M与D或E不同 。)在原子比方面,中心部分满足以下关系:D /(M + D + E)<0.05和E /(M + D + E)<0.05。
摘要:
An electrode material for a lithium secondary battery which includes particles each having a central portion and a surface portion covering the surface of the central portion. A distance from a center to an outermost surface of the particle is occupied 80 to 99% by the central portion and 1 to 20% by the surface portion. The central portion includes LiM1-aDaO2 having an α-NaFeO2 structure, and the surface portion includes LiM1-bEbO2 having an α-NaFeO2 structure. (M is C or Ni; D is a transition metal element or Al replacing a part of Co or Ni as M; E is a metal element replacing a part of Co or Ni as M; and M is not the same as D or E.) The following relationships are satisfied in the central portion, in terms of atomic ratio: D/(M+D+E)
摘要翻译:一种用于锂二次电池的电极材料,其包括各自具有覆盖中心部分的表面的中心部分和表面部分的颗粒。 从中心到颗粒的最外表面的距离由中心部分占80〜99%,表面部分占1〜20%。 中心部分包括具有α-NaFeO2结构的LiM1-aDaO2,表面部分包括具有α-NaFeO 2结构的LiM1-bEbO2。 (M为C或Ni; D为过渡金属元素或Al替代Co或Ni的一部分为M; E为将部分Co或Ni替代为M的金属元素; M与D或E不同 。)在原子比方面,中心部分满足以下关系:D /(M + D + E)<0.05和E /(M + D + E)<0.05。
摘要:
A method for producing fullerenes, characterized in that said method includes a step (a) of contacting an aromatic compound-containing starting material with a supercritical fluid or a subcritical fluid at a temperature in a range of from 31° C. to 500° C. and at a pressure in a range of from 3.8 MPa to 60 MPa. Said supercritical fluid or said subcritical fluid is formed from one or more kinds of materials selected from the group consisting of an aromatic compound as said starting material, a solvent capable of dissolving said aromatic compound, water, dinitrogen monoxide, and ammonia.
摘要:
A method for producing fullerenes, characterized in that said method includes a step (a) of contacting an aromatic compound-containing starting material with a supercritical fluid or a subcritical fluid in the presence of a transition metal element-containing catalyst at a temperature in a range of from 350 to 800° C. and at a pressure in a range of from 3 to 50 MPa. Said supercritical fluid or said subcritical fluid is formed from one or more kinds of materials selected from the group consisting of an aromatic compound as said starting material, a solvent for said aromatic compound, a solvent for said catalyst, water, dinitrogen monoxide, and ammonia.