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Thesis
Home   /   Post Doctorat   /   Development of a new reversible machine for heat-electricity conversion by upgrading low-value energy

Development of a new reversible machine for heat-electricity conversion by upgrading low-value energy

Green and decarbonated energy incl. bioprocesses and waste valorization Technological challenges

Abstract

The International Energy Agency's Net Zero Emission (NZE) strategy targets an increasing share of heat produced from electricity (i.e. by direct heating or via heat pump systems) , which must be around 15 to 40% by 2030 and around 65% in 2050 to meet industrial heat demands at low (< 150°C) and medium temperatures (150°C-400°C). Therefore, the development and massive deployment of efficient heat pump systems are already encouraged to achieve the energy transition of industries towards decarbonization of their heat supply, in particular below 150°C for applications in industries such as as chemicals, paper and agri-food. However, the expected massive electrification of different sectors of activity around 2035 (and in the decades to come) could lead, according to certain authors, to a crisis in electricity supply, particularly to meet the strong energy demand of giga-factories dedicated to the energy transition for local production of batteries and photovoltaic panels.
For these reasons, the HERCULE project aims to develop an innovative thermodynamic cycle capable of responding to the following challenges:
• Societal issues: recovery of waste heat for carbon-free production of electricity or industrial heat according to needs and economic criteria;
• Environmental issues: regulations on greenhouse gases;
• Scientific challenges: flexible conversion systems with reversible operation, compact & efficient machines.

Laboratory

Département Thermique Conversion et Hydrogène (LITEN)
Service Système Energétique Territoire et Industrie
Laboratoire des technologie thermodynamqiues et solaires
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