Search Results - "Physical Sciences" and "Energy & Environment"

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Integration of 1-D MnO2 Nanowire and 2-D Graphene to 3-D Composites and their Applications in High-Energy, High-Power and Low-Cost Aqueous Supercapacitors
Wayne State University researchers have developed a novel method for the preparation of unique 3-D composites of conductive graphene and high capacitance MnO2 as electrode materials, to fabricate asymmetric aqueous supercapacitors for energy-storage applications. Currently MnO2 is commonly coated onto current collectors to form very thin f...
Published: 7/18/2012   |   Inventor(s): Lixin Wang, Da Deng, Ka Yuen Simon Ng
Category(s): Materials, Nanomaterials, Physical Sciences, Energy & Environment, Energy Storage/Battery
Solid Zn-base Catalysts for Simultaneous Transesterification and Esterification
Description: WSU researchers have developed a series of novel heterogeneous catalysts for simultaneous transesterifrication and esterifrication of fats and oils that can be used in the production of biodiesel. These catalysts are solids, a mixture of zinc oxide and other metal oxides species which provide the potential to convert all kinds of oil f...
Published: 11/23/2011   |   Inventor(s): Shuli Yan, Ka Yuen Simon Ng, Steven Salley
Keywords(s): Biodiesel
Category(s): Chemicals, Catalysts, Energy & Environment, Physical Sciences, Renewable Fuels
Graphene based support matrix to anchor bifunctional catalyst for Lithium-Air batteries
WSU researchers have developed a novel process to produce highly stable, conductive, and high surface area graphene based matrix for bifunctional catalysts for air cathodes. Given the promising stability and enhanced conductivity of the graphene matrix, the WSU researchers propose to incorporate bifunctional catalysts into a graphene matrix. Curren...
Published: 11/22/2011   |   Inventor(s): Kapila Wadumesthrige, Ka Yuen Simon Ng, Steven Salley
Category(s): Chemicals, Materials, Energy Storage/Battery, Energy & Environment, Nanomaterials, Physical Sciences, Catalysts, Automotive & Transportation, Battery
Dispersion-optimized Silicon nanoparticle (SiNP)/Graphene composite anode for high performance Lithium ion battery (LIB)
WSU researchers have invented a novel method to produce dispersion-optimized SiNP within a conducting Graphene matrix forming a standalone composite anode material. The method creates small clusters to lone particle distributions maximizing the nanomaterial properties of SiNP yielding anodes with improved capacity retention and rate performance. It...
Published: 11/7/2011   |   Inventor(s): Rhet C de Guzman, Ka Yuen Simon Ng, Steven Salley
Category(s): Chemicals, Materials, Energy & Environment, Energy Storage/Battery, Nanomaterials, Physical Sciences
Compositions, Process, and Method for Producing Hybrid Green Cements and Their Concrete Products
A Wayne State University researcher has developed a novel method to make sustainable Hybrid Green Cements (HGC) from low cost minerals and waste minerals such as coal, ash, bio-mass ash, or mine tailings. Key issues that the researcher has identified include optimal ranges of hybrid mix compositions, processing, and curing conditions. HGC ...
Published: 11/7/2011   |   Inventor(s): Hwai-Chung Wu
Category(s): Materials, Energy & Environment, Physical Sciences, Building & Construction, Other, Industrial & Manufacturing
Combined Homogeneous and Heterogeneous Catalytic Transesterification Process for Biodiesel Production
WSU researchers developed a combined heterogeneous and homogeneous catalyst that reduces overall production costs, expands feedstock options, and enables large volume production in a continuous process as compared to traditional homogeneous biodiesel catalysts. This unique catalytic transesterification process works better with ethanol compared to...
Published: 8/17/2010   |   Inventor(s): Manhoe Kim, Steven Salley, Ka Yuen Simon Ng
Category(s): Catalysts, Chemicals, Physical Sciences, Renewable Fuels, Energy & Environment
Effect of Natural and Synthetic Antioxidants on the Oxidative Stability of Biodiesel
Researchers at WSU?s National Biofuels Energy Laboratory have identified antioxidant additives for biodiesel fuel made from a variety of feedstock that provide advantages to current technologies. A significant problem associated with the commercial acceptance of biodiesel fuel is poor oxidative stability. The presence of high levels of unsaturated ...
Published: 5/7/2010   |   Inventor(s): Ka Yuen Simon Ng, Steven Salley, Haiying Tang
Keywords(s): Biodiesel
Category(s): Renewable Fuels, Physical Sciences, Energy & Environment, Chemicals, Specialty compounds