Post on 19-Dec-2015
Innovations Today for the Renewable Energy Markets
Of Tomorrow
New Water Oxidation Catalysts and HighSurface Area Transparent Electrodes
Presented by: Brian Lamb
Seeds of Innovation Presentation
November 4th, 2010
Inventors- Thomas J. Meyer, Zuofeng Chen, Javier Concepcion, Jonah Wesley Jurss, Joseph L. Templeton, Paul Hoertz
New Technology Meeting the Needs of the Marketplace
1.) Water Oxidation Catalysts
Patented ruthenium and osmium complexes for high turnover splitting of water into its component parts
2.) NanoITO electrodes Nanoparticle-derived high surface area transparent electrodes
2H2O O2 + 4H+ + 4e-
Half Reaction: Water splitting
Development New Ruthenium/Osmium-based catalysts for splitting water
Definition Catalysts are reagents that enable chemical reactions to occur that otherwise would not (or much more slowly) in the absence of catalyst.
New Technology to Meet the Demands of the Renewable Energy Market
Water Oxidation Catalysts
New Technology to Meet the Demands of the Renewable Energy Market
Water Oxidation Catalysts
Key Differentiators
Water is a near infinite source of electrons for producing hydrogen, methane
Robust behavior, faster turnovers, higher current and energy efficiency
Catalyzes reaction in a wide pH range
Also useful for water treatment devices and microgeneration of oxygen in medical devices.
Layered conductive ITO nanoparticles
Flat or flexible transparent surface
Ideal electrode for photovoltaic devices or electrochomic displays- optically transparent,high surface area
New Technology to Meet the Demands of the Renewable Energy Market
NanoITO
New Technology to Meet the Demands of the Renewable Energy Market
NanoITO
Key Differentiators
Higher loading efficiencies (10,000x) of catalysts or other electrochemical species
Useful as electrochromic materials or flat-panel displays for greater color contrast
High surface area and optically transparent: ideal for incorporation into photovoltaic devices
Market Applications for New Technology in Renewable Energy
Acquisition Storage
Energy Conversion
Consumption
The world’s ability to harness renewableresources depends heavily on technology to
efficiently capture the energy,
Energy must be stored in a readily accessible form such as batteries, fuels
H2O
2H2O2 + 4H+ + 4e-
Hydrogen Reduction
Potential Market- Energy Storage for Solar Fuels
Hydrogen powereddevices
Reducing costs of electrolysis will drivefuel production markets
Current State of Technology
Fast turnovers (~0.027/s) on NanoITO
Energy efficient water oxidation occurs at 1.75V
Very high current efficiency
Tolerates a wide pH range
Catalyst is fast and simply immobilized to electrode surfaces
Conclusions and Expected Future Developments
Additional applications for the water oxidation catalyst are being investigated
Catalytic cycle for acquiring solar energy Multiple-metal complex catalysis
NanoITO will be further tested in photovoltaics
Technologies will be able to address the needs of the energy market, current revenues of $700 million/day
Thank you!