公开(公告)号：US20150285116A1

公开(公告)日：2015-10-08

申请号：US14674973

申请日：2015-03-31

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Masashi KIKUGAWA ,  Kiyoshi YAMAZAKI ,  Yuichi SOBUE ,  Seiji OKAWARA

IPC: F01N3/20

CPC classification number: F01N3/20 ,  B01D53/944 ,  B01D2255/104 ,  B01D2255/2092 ,  B01D2255/9202 ,  B01D2255/9207 ,  B01D2258/012 ,  B01J23/50 ,  B01J27/055 ,  B01J35/0013 ,  B01J35/002 ,  B01J35/006 ,  B01J35/023 ,  B01J35/1009 ,  B01J35/1019 ,  B01J37/0009 ,  B01J37/0201 ,  B01J37/0236 ,  B01J38/12 ,  F01N3/035 ,  F01N3/103 ,  F01N2570/04

Abstract: An exhaust gas purification catalyst includes: a support containing alumina as a major component; and an active species fine particle containing silver sulfate as a major component and having an average crystallite size of 3 nm to less than 100 nm, in which the active species fine particle is supported on a surface of the support.

Abstract translation: 废气净化催化剂包括：以氧化铝为主要成分的载体; 和含有硫酸银作为主要成分并且平均微晶尺寸为3nm至小于100nm的活性物质细颗粒，其中活性物质微粒被载持在载体的表面上。

公开(公告)号：US20220331783A1

公开(公告)日：2022-10-20

申请号：US17716354

申请日：2022-04-08

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Masashi KIKUGAWA ,  Yoshihiro GOTO ,  Haruo IMAGAWA ,  Mitsuru MATSUMOTO ,  Akinori SATOU ,  Marie ISHIKAWA ,  Tetsuya NAMBA ,  Hideyuki MATSUMOTO

IPC: B01J23/46 ,  B01J23/10 ,  C01C1/04

Abstract: An ammonia synthesis catalyst, includes a composite oxide carrier in which at least one additive metal element selected from the group consisting of titanium (Ti), zirconium (Zr), hafnium (Hf), aluminum (Al), gallium (Ga), indium (In), silicon (Si), germanium (Ge), and tin (Sn) is solid-solutionized in a composite oxide containing cerium (Ce) and a lanthanide other than Ce and having a composition represented by the following formula: CexA1−x−yByOd (in the formula, A represents a lanthanide other than Ce, B represents the additive metal element, x represents a molar fraction of Ce, y represents a molar fraction of the additive metal element, 1−x−y represents a molar fraction of a lanthanide other than Ce, x and y satisfy 0.1≤x≤0.9, 0.01≤y≤0.3, and 0.11≤x+y≤0.91, d represents a molar ratio of oxygen atoms, and 1.5≤d≤2 is satisfied); and ruthenium (Ru) supported on the composite oxide carrier.

公开(公告)号：US20150343424A1

公开(公告)日：2015-12-03

申请号：US14727089

申请日：2015-06-01

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Kiyoshi YAMAZAKI ,  Chika KATO ,  Masashi KIKUGAWA ,  Tsuyoshi HAMAGUCHI ,  Yuichi SOBUE ,  Yusuke SHINMYO

IPC: B01J23/63 ,  B01J37/08 ,  B01D53/94 ,  B01J37/02

CPC classification number: B01D53/944 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/2061 ,  B01D2255/2092 ,  B01D2258/01 ,  B01J21/04 ,  B01J23/63 ,  B01J35/002 ,  B01J35/1014 ,  B01J35/1019 ,  B01J37/0201 ,  B01J37/0207 ,  B01J37/088 ,  F01N3/103

Abstract: An exhaust gas purification catalyst includes: a support formed of alumina and yttria; and platinum and palladium that are supported on the support. An yttria content in the support is 2 mass % to 15 mass %. A content ratio of the platinum to the palladium is in a range of 1 to 10 by mass ratio. At least a portion of the platinum and at least a portion of the palladium constitute a solid solution. A diffraction peak of a (311) plane of a crystal including the platinum, the palladium and the solid solution is present at 81.5° or higher in a range of 81.2° to 82.1°, the diffraction peak being identified by an X-ray diffraction method using CuKα rays.

Abstract translation: 废气净化催化剂包括：由氧化铝和氧化钇形成的载体; 以及支撑在支架上的铂和钯。 载体中的氧化钇含量为2质量％至15质量％。 铂与钯的含有比例为1〜10质量％。 铂的至少一部分和钯的至少一部分构成固溶体。 包括铂，钯和固溶体的晶体（311）面的衍射峰在81.2°〜82.1°的范围内为81.5°以上，衍射峰由X射线衍射 方法使用CuKα射线。