Wind energy is unpredictable and therefore require additional systems to meet the demand. Batteries are expensive and more importantly cannot handle so many charge recharge cycle. On the other hand, capacitors have much longer endurance. I would like to propose a simple capacitor design that can be used to store the excess energy of a wind turbine. It is just ply of aluminum and aluminum oxide. It is comparably easy to grow a thin layer of oxide over aluminum or remove the excess of it. They also form a very solid structure; higher strength compared to aluminum itself like the plywood.
Wind turbines require strong tower structures as a support. Ply aluminum capacitor can also meet this demand. A dual-purpose ply aluminum tower structure which doubles as a giant capacitor. Unlike batteries, this giant capacitor can be built to store high voltages. Therefore, it would be easy to charge them compared to complex balanced cell charging of batteries.
This technology can also be utilized on the construction of the buildings to compensate for the demand inequalities and to correct the power factor.
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