Solar cell fabric

Solar cell fabric is a fabric with embedded photovoltaic (PV) cells which generate electricity when exposed to light.

Traditional silicon based solar cells are expensive to manufacture, rigid and fragile. Although less efficient, thin-film cells and organic polymer based cells can be produced quickly and cheaply. They are also flexible and can be stitched onto fabric.

According to an article from New Scientist [1] researchers have built a PV cell in the layers around a fiber, creating a tiny cylindrical cell. No longer limited to rooftops and poles, solar collection could work silently and unobtrusively from everyday objects.

## Examples of recent research

Flexible solar cells can be used in humanitarian aid. A makeshift shelter developed by PowerFilm, Inc. called the PowerShade can generate one kilowatt of power. This could help a power emergency equipment at short notice in remote places.

Konarka Technologies produce a thin film polymer based PV cell, as a flexible film stitched onto a fabric. The ability to make these cells even smaller is dependent on further research into nanocrystal PV cells. In theory nanotechnology could provide a way to expand the range of photons a cell could collect, increasing its efficiency while becoming smaller. Konarka, in partner with other institutions, is working on this.

ShadePlex is currently developing a product that integrates thin film photovoltaic modules with architectural fabrics. They will feature a high power output (200 W, 500 W, and 1000 W), and can feed either a battery system or be tied to the grid. Integrating thin film photovoltaics with fabric structures will enable a whole class of buildings to easily integrate renewable energy solutions.

## References

1. ↑ NewScientist

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