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The goal of this research is to fabricate, characterize and apply the designed polymer based porous piezoelectric material into practical use. In line with the goal, the research objectives are: Select proper materials that have potential to serve as non-toxic, high sensitivity, low cost, light weight, flexible and heat durable piezoelectric materials. Setup fabrication process of piezoelectric foam and enable the piezoelectric material to have piezoelectricity. Characterize the sensitivity, heat durability, charge storage process, capability and actuation behavior of the material. Identify the most significant parameters that affect the performance of the material and optimize the structure design of the material. Apply the piezoelectric material as piezoelectric pressure sensor, impact sensor and other applications.