But the problem is, no one is properly measuring. We again point to the Keeling curve – this time NOAA’s ‘global average’ atmospheric CO2 concentration over the last 5 years. Very easy to conclude world media are annoyingly wrong today, … Continue reading →
Scanning electron microscope image of initial prototype of light trapping 3D photovoltaic structures on a thin silicon wafer.
Solar3D, Inc., the developer of a breakthrough 3-dimensional solar cell technology to maximize the conversion of sunlight into electricity, today announced the successful fabrication and operation of a working 3-dimensional silicon solar cell that produces at least 250% of the power of a basic silicon solar cell.
Dr. Changwan Son, Solar3D’s Director of Technology, commented, “When measured relative to a conventional solar cell design, our working prototype produces electricity beyond our previous expectations. First, we fabricated our working prototype. Then we created a simple cell based on the conventional design, using the same fabrication environment, to serve as a control sample. By measuring the side-by-side power output of both cells, we were able to determine the relative performance under a number of conditions, ranging from bright sunlight to lower, diffuse light. In each test, our 3D Solar Cell consistently outperformed the control cell and produced at least 2½ times the amount of electricity under the same conditions.”
Solar power gathered in space could be set to provide the renewable energy of the future thanks to innovative research being carried out by engineers at the University of Strathclyde, Glasgow.
Researchers at the University have already tested equipment in space that would provide a platform for solar panels to collect the energy and allow it to be transferred back to earth through microwaves or lasers.
The European Technology Initiative, “Fuel Cells and Hydrogen Joint Undertaking” (FCH JU), is providing approx 2.3 million euro of finance for the development of new hydrogen solid-state containers on the basis of boron hydrides.These compounds absorb much more hydrogen, the tanks remain compact.The Bor4Store project is being coordinated by the Institute of Material Research at the Helmholtz-Zentrum Geesthacht.
In a post-Solyndra, budget-constrained world, the transition to a decarbonized energy system faces great hurdles. Overcoming these hurdles will require smarter and more focused policies. Two Stanford writers outline their visions in a pair of high-profile analyses.
World's first completely plastic solar cell (image: Virginie Drujon-Kippelen)
Imagine owning a television with the thickness and weight of a sheet of paper. It will be possible, someday, thanks to the growing industry of printed electronics. The process, which allows manufacturers to literally print or roll materials onto surfaces to produce an electronically functional device, is already used in organic solar cells and organic light-emitting diodes (OLEDs) that form the displays of cellphones.
To produce the maximum amount of energy, solar cells are designed to absorb as much light from the Sun as possible. Now researchers from the University of California, Berkeley, have suggested – and demonstrated – a counterintuitive concept: solar cells should be designed to be more like LEDs, able to emit light as well as absorb it. The Berkeley team will present its findings at the Conference on Lasers and Electro Optics (CLEO: 2012), to be held May 6-11 in San Jose, Calif.
As biofuel production has increased – particularly ethanol derived from corn – a hotly contested competition for feedstock supplies has emerged between the agricultural grain markets and biofuel refineries. This competition has sparked concern for the more fundamental issue of allocating limited farmland resources, which has far-reaching implications for food security, energy security and environmental sustainability.
With our conventional energy supplies getting more expensive or less reliable by the day, many researchers aim to find new sources of energy. Sometimes those new energy sources seem a bit too farfetched to make it to general use. We … Continue reading →
The first Danish study into how one of the worlds largest wind farms affects marine life is now completed. It shows that the wind turbines and the fish live quite happily together. Indeed some species of fish have actually increased in number.