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# 1. Introduction ## 1.1 General Context * The project is part of the European Union's Seventh Framework Programme for Research and Technological Development (FP7). * Call topic: Information and Communication Technologies (ICT) - ICT-2011.1.5 Micro- and nanoelectronics, optoelectronics. * Pr...

# 1. Introduction ## 1.1 General Context * The project is part of the European Union's Seventh Framework Programme for Research and Technological Development (FP7). * Call topic: Information and Communication Technologies (ICT) - ICT-2011.1.5 Micro- and nanoelectronics, optoelectronics. * Project acronym: HARVESTORE * Project title: $3D$ nano-harvesters based on MEMS/NEMS for efficient autonomous energy storage * Grant agreement number: 288704 * Project website: http://www.harvestore.eu/ * Project start date: $1^{st}$ of October 2011 * Project duration: 48 months ## 1.2 Purpose of the document * Periodic report of the HARVESTORE project for the period from $01/10/2014$ to $30/09/2015$ (4$^{th}$ period) * This document is the "Periodic Report Summary" ## 1.3 Executive summary * HARVESTORE is a research project that aims to develop miniaturized, autonomous energy harvesting and storage devices. * The project explores novel materials, designs, and fabrication techniques to create highly efficient energy harvesters and storage elements. * The consortium consists of 14 partners from 8 European countries, with expertise in materials science, micro/nano fabrication, and energy storage. * The targeted applications are Wireless Sensor Nodes (WSNs) for environmental monitoring and implantable medical devices. * During the fourth period, work focused on fabrication of micro-supercapacitors (MSCs), integration of harvesters and MSCs on-chip, and improvement of energy management circuitry. * Several MSC prototypes were fabricated using various materials and designs, showing promising energy storage performance. * On-chip integration of harvesters and MSCs was demonstrated, paving the way for autonomous energy supply in miniaturized devices. * The project is on track to achieve its objectives and deliver innovative solutions for energy harvesting and storage in miniaturized systems.