ScienceDaily: Energy and Resources News |
- Solar energy gets a boost: 'Singlet fission' can increase solar cell efficiency by as much as 30 percent
- Solar cells: Powered by nanoholes
- More California gas stations can provide hydrogen than previously thought
- Silicon sponge improves lithium-ion battery performance
| Posted: 08 Jul 2014 10:21 AM PDT Scientists have reviewed chemists' work on "singlet fission," a process in which a single photon generates a pair of excited states. This conversion process has the potential to boost solar cell efficiency by as much as 30 percent.  |
| Solar cells: Powered by nanoholes Posted: 08 Jul 2014 08:10 AM PDT Increasing the cost-effectiveness of photovoltaic devices is critical to making these renewable energy sources competitive with traditional fossil fuels. One possibility is to use hybrid solar cells that combine silicon nanowires with low-cost, photoresponsive polymers. A simple and inexpensive fabrication procedure boosts the light-capturing capabilities of tiny holes carved into silicon wafers.  |
| More California gas stations can provide hydrogen than previously thought Posted: 08 Jul 2014 08:09 AM PDT A new study concludes that a number of existing gas stations in California can safely store and dispense hydrogen, suggesting a broader network of hydrogen fueling stations may be within reach.  |
| Silicon sponge improves lithium-ion battery performance Posted: 08 Jul 2014 06:29 AM PDT A sponge-like silicon material could help lithium-ion batteries run longer on a single charge by giving the batteries' electrodes the space they need to expand without breaking.  |
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