-
公开(公告)号：US09786443B2
公开(公告)日：2017-10-10
申请号：US14890350
申请日：2014-03-27
摘要： Provided is a capacitor in which, even in the case of a high maximum charging voltage, decomposition of the electrolyte can be suppressed and charging and discharging can be performed with stability. The capacitor includes a positive electrode containing a positive-electrode active material, a negative electrode containing a negative-electrode active material, a separator disposed between the positive electrode and the negative electrode, and an electrolyte, wherein the positive-electrode active material contains a porous carbon material, in a volume-based pore size distribution of the porous carbon material, a cumulative volume of pores having a pore size of 1 nm or less accounts for 85% or more of a total pore volume, the porous carbon material has a crystallite size of 1 to 10 nm, the porous carbon material contains an oxygen-containing functional group, and a content of the oxygen-containing functional group is 3.3 mol % or less.
-
公开(公告)号：US09862612B2
公开(公告)日：2018-01-09
申请号：US14408006
申请日：2013-05-22
IPC分类号： C01B33/033 , C01B33/021 , C01B32/00 , C01B32/05
CPC分类号： C01B33/033 , C01B32/00 , C01B32/05 , C01B33/021
摘要： The method for producing silicon metal and porous carbon from rice hulls is provided. The method comprises a first step S1 of producing a rice hull charcoal M2 containing SiO2 and C by heat treatment of rice hulls M1; a second step S4 of exposing the rice hull charcoal M4 to at least any one of heated first inert gas G2 or reducing gas to produce SiC; a third step S5 of exposing SiC to a heating atmosphere containing Cl2 gas to produce SiCl4 and porous carbon P1; a fourth step S7 of reacting SiCl4 and Zn to produce silicon metal P2 and ZnCl2; and a fifth step S9 of electrolyzing ZnCl2 to produce Zn and Cl2 gas. The Cl2 gas in the fifth step S9 is used in the third step S5, and Zn in the fifth step S9 is used in the fourth step S7.
-
公开(公告)号：US20160118199A1
公开(公告)日：2016-04-28
申请号：US14890350
申请日：2014-03-27
摘要： Provided is a capacitor in which, even in the case of a high maximum charging voltage, decomposition of the electrolyte can be suppressed and charging and discharging can be performed with stability. The capacitor includes a positive electrode containing a positive-electrode active material, a negative electrode containing a negative-electrode active material, a separator disposed between the positive electrode and the negative electrode, and an electrolyte, wherein the positive-electrode active material contains a porous carbon material, in a volume-based pore size distribution of the porous carbon material, a cumulative volume of pores having a pore size of 1 nm or less accounts for 85% or more of a total pore volume, the porous carbon material has a crystallite size of 1 to 10 nm, the porous carbon material contains an oxygen-containing functional group, and a content of the oxygen-containing functional group is 3.3 mol % or less.
摘要翻译： 提供一种电容器，其中即使在高最大充电电压的情况下，也可以抑制电解质的分解，并且可以稳定地进行充放电。 该电容器包括含有正极活性物质的正极，含有负极活性物质的负极，配置在正极和负极之间的隔膜和电解质，其中，所述正极活性物质含有 多孔碳材料，在多孔碳材料的体积孔径分布中，孔径为1nm以下的孔的累积体积占总孔体积的85％以上，多孔碳材料具有 微晶尺寸为1〜10nm，多孔碳材料含有含氧官能团，含氧官能团的含量为3.3摩尔％以下。
-
公开(公告)号：US20150071847A1
公开(公告)日：2015-03-12
申请号：US14389992
申请日：2013-03-27
发明人： Shinji Ishikawa , Masatoshi Majima
IPC分类号： C01B31/10
摘要： This manufacturing process has: a step of performing a heating treatment in a contact state of SiC with Cl2 to form a porous carbon material; a step of reacting SiCl4 formed along with the porous carbon material in the foregoing step, with Zn to extract Si; and a step of reacting Si extracted in the foregoing step, with C to form SiC, and the process further has: a step of reducing ZnCl2 formed by reaction of SiCl4 with Zn, to extract Zn and Cl2. These steps are repetitively carried out, SiC extracted by the step of forming SiC is used in the step of forming the porous carbon material, Cl2 extracted by reduction of ZnCl2 is used in the step of forming the porous carbon, and Zn extracted by reduction of ZnCl2 is used in the reaction step of SiCl4 with Zn.
摘要翻译： 该制造方法具有以下步骤：在具有Cl 2的SiC的接触状态下进行加热处理以形成多孔碳材料; 在上述步骤中使SiCl4与多孔碳材料一起反应的步骤，用Zn提取Si; 以及将上述工序中提取的Si与C反应形成SiC的工序，进一步具有以下步骤：通过SiCl4与Zn的反应形成的ZnCl2还原Zn，Cl2的工序。 重复执行这些步骤，在形成多孔碳材料的步骤中使用通过形成SiC的步骤提取的SiC，在形成多孔碳的步骤中使用通过还原ZnCl 2提取的Cl 2，并且通过还原 ZnCl 2用于SiCl4与Zn的反应步骤。
-
公开(公告)号：US20180374657A1
公开(公告)日：2018-12-27
申请号：US16060602
申请日：2017-06-02
发明人： Shinji Ishikawa , Takahiro Saito
IPC分类号： H01G11/24 , C01B32/324 , C01B32/336 , C01B33/02 , H01G11/34 , H01G11/44 , H01G11/86
摘要： A porous carbon material for an electric double-layer capacitor electrode, in which the porous carbon material is formed from secondary particles having a particle size of from 3 μm to 100 μm, the secondary particles are formed from primary particles having a particle size of from 0.1 μm to 0.5 μm, and the porous carbon material has an internal specific surface area of 900 m2/g or greater.
-
6.发明申请ELECTRODE ACTIVE MATERIAL FOR CAPACITOR, AND CAPACITOR USING SAID ELECTRODE ACTIVE MATERIAL 有权用于电容器的电极活性材料，以及使用电极活性材料的电容器公开(公告)号：US20150287547A1
公开(公告)日：2015-10-08
申请号：US14432161
申请日：2013-09-12
发明人： Kazuki Okuno , Masatoshi Majima , Shinji Ishikawa
CPC分类号： H01G11/62 , C01B32/05 , C01B32/956 , H01G11/06 , H01G11/24 , H01G11/32 , H01G11/34 , H01G11/60 , Y02E60/13 , Y02T10/7022 , Y10T428/2982
摘要： An electrode active material for capacitors contains a porous carbon material. The porous carbon material has a BET specific surface area of 800 m2/g or more. An X-ray diffraction image of the porous carbon material with CuKαrays has a peak Pk at 2θ=40° to 50°, and the peak Pk includes a component of a peak Pd111 attributed to a (111) plane of diamond crystals. When the X-ray diffraction image has a peak PG002 attributed to a (002) plane of graphite, a ratio of an intensity IG002 of PG002 to an intensity Ik of Pk (IG002/Ik) is 3.0 or less.
摘要翻译： 用于电容器的电极活性材料包含多孔碳材料。 多孔碳材料的BET比表面积为800m 2 / g以上。 具有CuKα阵列的多孔碳材料的X射线衍射图像具有在2θ时的峰值Pk = 40°至50°，峰值Pk包括归因于金刚石晶体的（111）面的峰值Pd111的分量。 当X射线衍射图像具有由石墨的（002）面导致的峰值PG002时，PG002的强度IG002与Pk（IG002 / Ik）的强度Ik的比例为3.0以下。
-
公开(公告)号：US20150104370A1
公开(公告)日：2015-04-16
申请号：US14408006
申请日：2013-05-22
IPC分类号： C01B33/033 , C01B31/02
CPC分类号： C01B33/033 , C01B32/00 , C01B32/05 , C01B33/021
摘要： The method for producing silicon metal and porous carbon from rice hulls is provided. The method comprises a first step S1 of producing a rice hull charcoal M2 containing SiO2 and C by heat treatment of rice hulls M1; a second step S4 of exposing the rice hull charcoal M4 to at least any one of heated first inert gas G2 or reducing gas to produce SiC; a third step S5 of exposing SiC to a heating atmosphere containing Cl2 gas to produce SiCl4 and porous carbon P1; a fourth step S7 of reacting SiCl4 and Zn to produce silicon metal P2 and ZnCl2; and a fifth step S9 of electrolyzing ZnCl2 to produce Zn and Cl2 gas. The Cl2 gas in the fifth step S9 is used in the third step S5, and Zn in the fifth step S9 is used in the fourth step S7.
摘要翻译： 提供了从稻壳生产硅金属和多孔碳的方法。 该方法包括：通过热处理稻壳M1生产含有SiO 2和C的稻壳炭M2的第一步骤S1; 将米壳炭M4暴露于加热的第一惰性气体G2或还原气体中的至少一种以产生SiC的第二步骤S4; 将SiC暴露于含有Cl 2气体的加热气氛中以产生SiCl 4和多孔碳P1的第三步骤S5; 使SiCl4和Zn反应生成硅金属P2和ZnCl 2的第四步骤S7; 以及电解ZnCl 2以产生Zn和Cl 2气体的第五步骤S9。 在第五步骤S9中使用第五步骤S9中的Cl2气体，在第四步骤S7中使用第五步骤S9中的Zn。
-
8.发明授权Electrode active material for capacitor, and capacitor using said electrode active material 有权用于电容器的电极活性材料和使用所述电极活性材料的电容器公开(公告)号：US09514894B2
公开(公告)日：2016-12-06
申请号：US14432161
申请日：2013-09-12
发明人： Kazuki Okuno , Masatoshi Majima , Shinji Ishikawa
IPC分类号： H01G11/32 , H01G11/62 , C01B31/02 , H01G11/24 , H01G11/34 , C01B31/36 , H01G11/52 , H01G11/60 , H01G11/74 , H01G11/06
CPC分类号： H01G11/62 , C01B32/05 , C01B32/956 , H01G11/06 , H01G11/24 , H01G11/32 , H01G11/34 , H01G11/60 , Y02E60/13 , Y02T10/7022 , Y10T428/2982
摘要： An electrode active material for capacitors contains a porous carbon material. The porous carbon material has a BET specific surface area of 800 m2/g or more. An X-ray diffraction image of the porous carbon material with CuKα rays has a peak Pk at 2θ=40° to 50°, and the peak Pk includes a component of a peak Pd111 attributed to a (111) plane of diamond crystals. When the X-ray diffraction image has a peak PG002 attributed to a (002) plane of graphite, a ratio of an intensity IG002 of PG002 to an intensity Ik of Pk (IG002/Ik) is 3.0 or less.
摘要翻译： 用于电容器的电极活性材料包含多孔碳材料。 多孔碳材料的BET比表面积为800m 2 / g以上。 具有CuKα射线的多孔碳材料的X射线衍射图像在2θ= 40°至50°具有峰值Pk，峰值Pk包括归因于金刚石晶体的（111）面的峰值Pd111的分量。 当X射线衍射图像具有由石墨的（002）面导致的峰值PG002时，PG002的强度IG002与Pk（IG002 / Ik）的强度Ik的比例为3.0以下。
-
公开(公告)号：US09266740B2
公开(公告)日：2016-02-23
申请号：US14389992
申请日：2013-03-27
发明人： Shinji Ishikawa , Masatoshi Majima
摘要： This manufacturing process has: a step of performing a heating treatment in a contact state of SiC with Cl2 to form a porous carbon material; a step of reacting SiCl4 formed along with the porous carbon material in the foregoing step, with Zn to extract Si; and a step of reacting Si extracted in the foregoing step, with C to form SiC, and the process further has: a step of reducing ZnCl2 formed by reaction of SiCl4 with Zn, to extract Zn and Cl2. These steps are repetitively carried out, SiC extracted by the step of forming SiC is used in the step of forming the porous carbon material, Cl2 extracted by reduction of ZnCl2 is used in the step of forming the porous carbon, and Zn extracted by reduction of ZnCl2 is used in the reaction step of SiCl4 with Zn.
摘要翻译： 该制造方法具有以下步骤：在具有Cl 2的SiC的接触状态下进行加热处理以形成多孔碳材料; 在上述步骤中使SiCl4与多孔碳材料一起反应的步骤，用Zn提取Si; 以及将上述工序中提取的Si与C反应形成SiC的工序，进一步具有以下步骤：通过SiCl4与Zn的反应形成的ZnCl2还原Zn，Cl2的工序。 重复执行这些步骤，在形成多孔碳材料的步骤中使用通过形成SiC的步骤提取的SiC，在形成多孔碳的步骤中使用通过还原ZnCl 2提取的Cl 2，并且通过还原 ZnCl 2用于SiCl4与Zn的反应步骤。
-
公开(公告)号：US10894716B2
公开(公告)日：2021-01-19
申请号：US16305228
申请日：2018-04-12
发明人： Shinji Ishikawa , Takahiro Saito
摘要： Provided is a method for producing a porous carbon material, containing a step of subjecting a mixture containing inorganic carbide particles and inorganic oxide particles to a heat treatment under a chlorine gas atmosphere.
-
-
-
-
-
-
-
-
-
搜索结果
13 条记录 (耗时 0.018 秒)
