What are some recent advancements and developments in solar energy use?

I’m doing a science report on solar energy, but I’m having a hard time finding information on more recent advances and developments in the area of harnessing solar power or putting it to use.
Also, how do solar chargers for cell phones, etc, work? Do they usually hook directly up to a solar panel, or do they connect a solar panel to a small solar cell, or…?

What are some recent advancements and developments in solar energy use? Read More ยป