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Battery&Bamboo is a household battery detector based on the technology of Electrochromic coating. The coating covers the ceramic surface of the products. According to the battery volume the coating displays different colors. It solves the problem how to observe the battery volume directly. Moreover, the bamboo shape also fulfills environmental protection theme.
The electrochromic coating is a new material which's optical performance can be changed. The reason of the changes is the oxidation - reduction reaction induced by electrochemically under the action of the applied current.
He Sui Lin Yan Wei Du Dan Gao