This paper is a Postprint version of the paper Cavalheiro, D.; Moll, F.; Valtchev, S., “Novel charge pump converter with Tunnel FET devices for ultra-low power energy harvesting sources,” in Circuits and Systems (MWSCAS), 2015 IEEE 58th International Midwest Symposium on , vol., no., pp.1–4, 2–5 Aug. 2015 doi: 10.1109/MWSCAS.2015.7282034 Copyright 2015 IEEE. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. Copyright notice