نتایج جستجو برای: methanol fuel

تعداد نتایج: 97647  

2000
Christian Azar Kristian Lindgren Björn A. Andersson

Governmental policies and international treaties that aim at curbing the emissions of greenhouse gases and local pollutants can be expected. These regulations will increase the competitiveness of CO2-neutral energy sources, i.e., renewables, nuclear or fossil fuels with CO2-sequestration. The purpose of this paper is to assess the relative competitiveness of methanol and hydrogen as fuels in th...

2014
J. X. Liu J. Xu Y. D. Huang J. Y. Liu

Alternative energy sources, such as various fuel cell technologies, have attracted intense attention due to their high efficiency and low emissions of pollutants. Methanol, with its high hydrogen/carbon ratio, low sulfur content and the absence of carbon–carbon bonds, has been identified as a highly suitable source for onboard production of hydrogen [1]. Among several reactions for converting m...

2010
Cafer T. Yavuz Sungsik Lee Byeongdu Lee Myung H. Kim Jeong M. Baik Sönke Seifert Stefan Vajda Christopher Larson Randall E. Winans Martin Moskovits Alec M. Wodtke Galen D. Stucky Saif Islam Achyut K. Dutta

Methanol is a hydrogen carrier for fuel cells and its chemical transformations are of great current interest. Methanol oxidation by vanadium oxides is well studied, hence, serves as a good measure for catalytic activity. Arrays of VO2 nanowires grown on r-cut sapphire prove to be unique for the in situ catalytic activity tests. Here, we present size and morphology dependent activity of Platinum...

2017
Tiejiang Yuan Qingxi Duan Xiangping Chen Xufeng Yuan Wenping Cao Juan Hu Quanmin Zhu

This paper presents a wind-methanol-fuel cell system with hydrogen storage. It can manage various energy flow to provide stable wind power supply, produce constant methanol, and reduce CO2 emissions. Firstly, this study establishes the theoretical basis and formulation algorithms. And then, computational experiments are developed with MATLAB/Simulink (R2016a, MathWorks, Natick, MA, USA). Real d...

Journal: :Chemical communications 2011
Xuezhong Gong Yun Yang Shaoming Huang

Rarely-observed polycrystalline twinned Pt nanoparticles (NPs) and length-controlled Pt nanorods (NRs) with exposed high index facets were prepared through an unexpectedly catalytic growth approach from low-cost Mn(3)O(4) NPs. The as-prepared Pt NRs exhibit higher catalytic activity and better stability for the oxidization of methanol than commercial Pt/C catalysts, indicating the promise of th...

Journal: :NTP CERHR MON 2003

The National Toxicology Program (NTP) Center for the Evaluation of Risks to Human Reproduction (CERHR) conducted an evaluation of the potential for methanol to cause adverse effects on reproduction and development in humans. Methanol was selected for evaluation because it is a high production volume chemical with high potential for occupational, consumer, and environmental exposure. Methanol is...

2012
Xiaodong Yang Yongning Liu Sai Li Xiaozhu Wei Li Wang Yuanzhen Chen

Polymer electrolyte membranes (PEM) and Pt-based catalysts are two crucial components which determine the properties and price of fuel cells. Even though, PEM faces problem of fuel crossover in liquid fuel cells such as direct methanol fuel cell (DMFC) and direct borohydride fuel cell (DBFC), which lowers power output greatly. Here, we report a DBFC in which a polymer fiber membrane (PFM) was u...

Journal: :Fuel 2023

Dual-fuel (DF) operation with methanol-diesel allows to reduce CO2 emissions, increase efficiency and decrease NOx soot. This paper describes the experimental results methanol-water (MeOH-W) blends as a fuel, has three objectives: (1) whether water acts knock suppressant, enabling higher diesel substitution ratios, (2) if can be measure control engine-out emissions given its cooling effect, (3)...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید