Experimental and numerical study of cellulose-based electro-active paper energy harvester

Zafar Abas; Heung Soo Kim; Lindong Zhai; Jaehwan Kim

doi:10.1117/12.2044639

16 April 2014 Experimental and numerical study of cellulose-based electro-active paper energy harvester

Zafar Abas, Heung Soo Kim, Lindong Zhai, Jaehwan Kim

Proceedings Volume 9060, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2014; 90601G (2014) https://doi.org/10.1117/12.2044639
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2014, San Diego, California, United States

Abstract

In this present study experimental and finite element analysis of cellulose based electro-active paper energy harvester is presented. Electro-active paper coated with metal electrode is a smart form of cellulose and exhibit piezoelectric effect. Specimens were prepared by depositing electrodes on both sides of the cellulose film. A 50 mm x 50 mm cellulose film coated with aluminum electrodes was bonded on 100 mm x 50 mm x 1 mm aluminum host structure. The voltage output to input acceleration frequency response across a load resistor of 1 MΩ is recorded by conventional energy harvesting experimental setup at the fundamental vibration mode of the EAPap cantilever beam. A coupled piezoelectric-circuit finite element model is developed in which load resistor is directly connected to energy scavenging device. Voltage output FRF is measured for the cases, without proof mass, and by adding a 2 grams proof mass near the tip of the cantilever. The experimental voltage FRF value is 7.6 V/g at 75.1 Hz and is improved to 13.8 V/g at 62.2 Hz when a stainless steel proof mass of 2 grams is added. The presented CPC-FEM model results agree reasonably well with the experimental results. Despite the fact that the electro-mechanical coupling coefficient of electro-active paper is lower than other available piezoelectric materials, it is biocompatible, cheap and naturally occurring polymeric material. It is also very flexible and posses similar piezoelectric characteristics such a PVDF which inspire to use EAPap in energy harvesting applications.

Citation Download Citation

Zafar Abas, Heung Soo Kim, Lindong Zhai, and Jaehwan Kim "Experimental and numerical study of cellulose-based electro-active paper energy harvester", Proc. SPIE 9060, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2014, 90601G (16 April 2014); https://doi.org/10.1117/12.2044639

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KEYWORDS

Electrodes

Resistors

Energy harvesting

Aluminum

Finite element methods

Ferroelectric polymers

Piezoelectric effects

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