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4-Traders Homepage  >  Equities  >  Tokyo  >  Toyota Motor Corp    7203   JP3633400001

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Toyota Motor : New Exhaust Purifying Catalyst Reduces Precious Metal Usage by 20%

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02/22/2017 | 06:28am CET

Toyota City, Japan, Feb 22, 2017 - (ACN Newswire) - Toyota Motor Corporation announces the commercial availability of a new, smaller catalyst that uses 20% less precious metal in approximately 20% less volume, while maintaining the same exhaust gas purification performance. The design is the world's first integrally-molded Flow Adjustable Design Cell (FLAD) substrate, with a different cell cross-sectional area at the inner portion compared to that at the outer portion. Innovative design and manufacturing technologies have allowed for the mass production of the new catalyst, which will gradually be installed in new vehicle models, starting from the Lexus LC 500h later this year.

Increased usage of catalytic precious metals to clean exhaust gas and improve air pollution issues present many issues, including increased costs and resource depletion. Toyota has conducted extensive research and development into finding solutions to help improve the purification efficiency of catalytic precious metals, such as finding the optimal substrate shape and length, as well as modifying the cell wall thickness and cross-sectional area. Other R&D efforts include selectively washcoating precious metals and other catalytic materials, and changing catalytic substrate cell density in line with exhaust gas flows.

Toyota and Denso Corporation have developed this new FLAD substrate to improve the uniformity of exhaust gas flow. Through a series of validations using simulations and prototype substrates, both companies have succeeded in improving uniformity of exhaust gas flow within the catalyst by optimizing factors such as the ratios of cross-sectional areas of cells at the inner and outer portions, and their corresponding densities. As such, with this development, approximately 20% less precious metal is used in a more compact catalyst that contains approximately 20% less volume, while maintaining the same exhaust gas purification performance as that of conventional catalysts. The newly developed innovative design and manufacturing technologies have also allowed for the mass production of the world's first integrally molded catalyst.

http://www.acnnewswire.com/topimg/Low_ToyotaCatalyst1.jpg

Currently, the most commonly used substrate in exhaust gas purifying catalysts for gasoline engines is made of ceramic (cordierite), which utilizes a honeycomb structure consisting of square or hexagonal cells. The walls of cells within this substrate are washcoated with catalytic materials, like platinum (Pt), rhodium (Rh), palladium (Pd) and other precious metals. This provides a catalytic effect, where through oxidation-reduction, harmful gases such as carbon monoxide (CO), unburned hydrocarbons (HC), and nitrogen oxide (NOx) are purified within the exhaust to help make them safe.

While conventional catalysts have a uniform cell cross-sectional area, the newly developed FLAD substrate has a structure with a different cell cross-sectional area at the inner portion compared to that at the outer portion. Toyota has succeeded in mass producing this substrate with the world's first design and manufacturing technology that is able to integrally mold the catalyst.

http://www.acnnewswire.com/topimg/Low_ToyotaCatalyst2.jpg

Uniform exhaust gas flow within the catalysts installed in exhaust pipes enables the washcoated precious metals and other catalytic materials to effectively purify the exhaust gas. However, the use of conventional substrates with uniform cell cross-sectional area results in an unbalanced flow of exhaust gas because the flow of gas through the inner portion of the catalyst is faster, and at a higher volume than that through the outer portion. As a result, more catalytic precious metal is required at the inner portion of the catalyst, where the flowrate is greater, in order to maintain purification performance. Current catalytic material washcoating technologies require all cell walls to be coated equally during the washcoating process, so parts of the catalyst with a lower exhaust gas flowrate are coated with the same amount of catalytic precious metals as those parts which have a higher flowrate.

Going forward, Toyota remains committed to working actively with our group companies and related business partners to further develop catalyst technologies that will help to achieve cleaner exhaust gas with reduced usage of precious metals.

(1) As of January 2017, according to Toyota research

(2) FLAD (Flow Adjustable Designed Cell) is a registered trademark of Denso Corporation. This newly designed catalyst substrate has a different cell cross-sectional area at the inner portion compared to that at the outer portion.

About Toyota

Supported by people around the world, Toyota Motor Corporation (TSE: 7203; NYSE: TM), has endeavored since its establishment in 1937 to serve society by creating better products. As of the end of December 2013, Toyota conducts its business worldwide with 52 overseas manufacturing companies in 27 countries and regions. Toyota's vehicles are sold in more than 170 countries and regions. For more information, please visit www.toyota-global.com.

Contact:

Public Affairs Division
Global Communications Department
Toyota Motor Corporation
Tel: +81-3-3817-9926

Copyright 2017 JCN Newswire . All rights reserved.

© Japan Corporate News, source JCN Press Releases

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Financials ( JPY)
Sales 2017 26 874 167 M
EBIT 2017 1 772 000 M
Net income 2017 1 764 547 M
Debt 2017 4 551 037 M
Yield 2017 3,20%
P/E ratio 2017 11,14
P/E ratio 2018 9,77
EV / Sales 2017 0,96x
EV / Sales 2018 0,94x
Capitalization 21 137 698 M
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Mean consensus HOLD
Number of Analysts 24
Average target price 7 214  JPY
Spread / Average Target 11%
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NameTitle
Akio Toyoda President & Representative Director
Takeshi Uchiyamada Chairman
Takahiko Ijichi Chief Financial Officer, Director & Executive VP
Kiyotaka Ise General Manager-Technology & Development
Shigeki Tomoyama General Manager-Information Technology Division
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