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Design idea : using solar to design reusable new concept green batteries ,which can replace the traditional batteries.
soft material blends soft batteries , soft solar and Stick nano materials together. when it unfolds, it has the largest area and can attach to anywhere in(under) the sun ,and be charged relying on light. Anywhere you may imagine.
When charge is completed, it will change into the shape of battery by curling or collapsing and be used in all kinds of products.
ZHEJIANG SCI-TECH UNIVERSITY
Sun Ying Ying & Li Feng