Self-Powered Microbial Fuel Cells Could Serve Up Unlimited Hydrogen Supply. Hydrogen fuel cells could someday meet a host of industrial energy needs, but it's difficult and dirty to produce hydrogen using current methods.
A new type of microbial fuel cell can power itself and produce a renewable supply of hydrogen, according to researchers at Penn State University. The system uses some seawater, some freshwater and bacteria.
What Next: Eco friendly products powered by microbial fuel cells. What Next: Eco friendly products powered by microbial fuel cells As we know it The need for more energy and scarcity of existing sources demand scientists act briskly for various alternative sources.
Well, efforts to develop multiple methods of reliable and sustainable energy have been running wild for a while. Metamorphosis Design Free Css Templates. Plant based MFC. Bruce Logan Research - Microbial Fuel Cells. How to build. Papers. Materials. Bruce Logan Research - Microbial Fuel Cells. This website aims to help someone to build a microbial fuel cell (MFC) using relatively inexpensive and readily available materials.
The method is based on the microbial fuel cells built by Abbie Groff, a student at Conestoga Valley High School in Lancaster, PA. The research she performed with her MFCs helped her win the Grand Champion Award at the 2005 Lancaster County Science Fair.
TechBrief-MFCs.pdf. Effect of salt concentration and mediators in salt bridge microbial fuel cell for electricity generation from synthetic wastewater. Waste Treatment Lab, Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, New Delhi, India.
The aim of this study was to investigate the feasibility of using agar salt bridges for proton transport in Microbial Fuel Cells (MFC). It also tries to elucidate and effect of mediators on electricity production from wastewaters through experimentation using a simulated wastewater. In order to offset the very high cost of proton exchange membrane, salt bridges have been used in dual chamber MFCs.
When the concentration of salt was varied in agar salt bridges from 1% to 10%, the volumetric power density changed from 1.71 to 84.99 mW/m(3) with a concomitant variation in power density from 0.32 to 16.02 mW/m(2). The maximum power density was observed at 5% salt concentration with 10% agar, which was accompanied by 88.41% COD reduction. Other papers by authors: Centre for Energy Study, Indian Institute of Technology Delhi, New Delhi, India.
Instructions for making the Gratzel Solar Cell. Instructions for building your own Gratzel solar cell: With a few simple materials you can create your own Grtzel solar cell.
This project is cross-curricular in nature; there is both chemistry and physics involved. There is also some connections to biology as the cell energizes electrons similar to photosynthesis. There are other instructions available and I've included a link to these. For each step, I included pictures and have short video clips you can watch. Common Household Chemicals: Distilled white vinegar Ivory clear dishwashing detergent or Triton X-100 Distilled water Those items from above in the kit are marked with an asterisk (*) 3 Ways to Make Solar Cells. Edit Article139,527 views 11 Editors Edited 16 days ago Three Methods:Coating the Glass PlatesAssembling the Solar CellActivating and Testing the Solar Cell Solar cells convert the sun's energy into electricity, similar to the way plants convert the sun's energy into food through photosynthesis.
Solar cells work by using the sun's energy to enable electrons in semiconducting materials to move from orbits close to the nuclei of their atoms to higher orbits where they can conduct electricity. Commercial solar cells use silicon as the semiconductor, but here is a way to make a solar cell with more accessible materials to see for yourself how it works. Ad Steps Method 1 of 3: Coating the Glass Plates. Better batteries with nano-cables. Standard hydrogen electrode. The standard hydrogen electrode (abbreviated SHE), is a redox electrode which forms the basis of the thermodynamic scale of oxidation-reduction potentials.
Its absolute electrode potential is estimated to be 4.44 ± 0.02 V at 25 °C, but to form a basis for comparison with all other electrode reactions, hydrogen's standard electrode potential (E0) is declared to be zero at all temperatures.[1] Potentials of any other electrodes are compared with that of the standard hydrogen electrode at the same temperature. Hydrogen electrode is based on the redox half cell: 2H+(aq) + 2e- → H2(g) Patent US20060188775 - Oxidation resistant electrode for fuel cell - Google Patents. This application claims the benefit of U.S.
Provisional Application 60/654307, filed Feb. 18, 2005 and titled “Method for Preventing Oxidation of a Carbon Surface and Structure Thereof.” The disclosure of that provisional application is incorporated herein by reference. This invention relates to a method for mitigating oxidation of a carbon surface with a particulate metal oxide oxidation barrier, especially when the carbon supports a catalyst in an oxidizing environment. In a more specific embodiment, this invention relates to coating carbon particles (intended as a support for catalyst particles) with smaller particles of a metal oxide, such as titanium dioxide, to inhibit oxidation of the carbon while retaining suitable electrical conductivity between carbon particles. In the Surface of Titanium Dioxide: Generation, Properties and Photocatalytic Application. 61, 56 (1942): The Electrical Conductivity of Titanium Dioxide.
HIGH EFFICIENCY MICROBIAL FUEL CELL - DOW GLOBAL TECHNOLOGIES LLC. Patent US20110171496 - Light-powered microbial fuel cells - Google Patents. This application is a continuation-in-part of U.S.
Utility patent application Ser. No. 12/029,187, filed Feb. 11, 2008, which claims the benefit of U.S. Provisional Patent Application No. 60/889,266, filed Feb. 10, 2007, each of which is incorporated herein by reference as if set forth in its entirety. This invention was made with United States government support awarded by the following agency: DOD-NAVY Grant Nos. 144-LT10, 144-MC50, 144-QP83 and 144-QL34. The United States government has certain rights in this invention. Molecular Microbial Ecology of the Rhizosphere, Two Volume Set - Frans J. de Bruijn. Bruce Logan Research - Microbial Fuel Cells.
Overview Check out the MFC-cam, our on-line demonstration of an MFC!
Renewable and clean forms of energy are one of society's greatest needs. At the same time, 2 billion people in the world lack adequate sanitation and the economic means to afford it.