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1.发明公开
公开(公告)号：EP4272863A1
公开(公告)日：2023-11-08
申请号：EP23168917.5
申请日：2023-04-20
发明人： WANG, Yunan , IMOTO, Rui , NOMURA, Kumiko , HASEGAWA, Naoki , TAKESHITA, Tomohiro , YANO, Kazuhisa , NANBU, Hironobu , KASAMA, Yuuki , ASAKURA, Keisuke , KUROKI, Takanobu , SATO, Hitohiko , YONEUCHI, Tsubasa , HORI, Akihiro
摘要： To provide a carbon support for catalysts for fuel cells, which increases the power generation performance of fuel cells, a catalyst for fuel cells, a catalyst layer for fuel cells, and a method for producing the carbon support. A carbon support for catalysts for fuel cells, wherein the carbon support includes at least one pore; wherein a thickness of a carbon wall of the carbon support, which is derived from a three-dimensional pore structure of a silica mold obtained by pore volume measurement of the silica mold by nitrogen adsorption analysis, is 3.3 nm or more and 11.2 nm or less; and wherein a carbon wall content is more than 60.3 ml/g and less than 190.8 ml/g.
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2.发明公开
公开(公告)号：EP4068434A3
公开(公告)日：2022-10-19
申请号：EP22164520.3
申请日：2022-03-25
发明人： HASEGAWA, Naoki , YANO, Kazuhisa , TAKESHITA, Tomohiro , IMOTO, Rui , NOMURA, Kumiko , KITAO, Noriyuki , WANG, Yunan , KASAMA, Yuuki
摘要： Mesoporous carbon (10) has a connecting structure in which primary particles (12) made of carbon particles having primary pores with a primary pore diameter of less than 20 nm are connected. In the mesoporous carbon (10), the pore capacity of secondary pores (14) with secondary pore diameters within a range of 20 nm to 100 nm, which is measured by a mercury intrusion method, is 0.42 cm 3 /g or more and 1.34 cm 3 /g or less. In addition, the mesoporous carbon (10) has a linearity of 2.2 or more and 2.6 or less. An electrode catalyst for a fuel cell includes the mesoporous carbon (10) and catalyst particles supported in the primary pores in the mesoporous carbon (10). Furthermore, a catalyst layer includes the electrode catalyst for the fuel cell and a catalyst layer ionomer.
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3.发明公开
公开(公告)号：EP4068434A2
公开(公告)日：2022-10-05
申请号：EP22164520.3
申请日：2022-03-25
发明人： HASEGAWA, Naoki , YANO, Kazuhisa , TAKESHITA, Tomohiro , IMOTO, Rui , NOMURA, Kumiko , KITAO, Noriyuki , WANG, Yunan , KASAMA, Yuuki
摘要： Mesoporous carbon (10) has a connecting structure in which primary particles (12) made of carbon particles having primary pores with a primary pore diameter of less than 20 nm are connected. In the mesoporous carbon (10), the pore capacity of secondary pores (14) with secondary pore diameters within a range of 20 nm to 100 nm, which is measured by a mercury intrusion method, is 0.42 cm 3 /g or more and 1.34 cm 3 /g or less. In addition, the mesoporous carbon (10) has a linearity of 2.2 or more and 2.6 or less. An electrode catalyst for a fuel cell includes the mesoporous carbon (10) and catalyst particles supported in the primary pores in the mesoporous carbon (10). Furthermore, a catalyst layer includes the electrode catalyst for the fuel cell and a catalyst layer ionomer.
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