An integrated smart thermo-chemical energy network

A. Giampieri, S. Roy, K. V. Shivaprasad, A. J. Smallbone, A. P. Roskilly

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Managing the intermittency of renewable sources together with transient (hourly to daily to seasonal) energy demands is one of the principal challenges of delivering a net-zero energy system. Smart multifunctional thermo-chemical energy networks represent an alternative energy network and storage system, a solution based on the distribution of energy via thermo-chemical material rather than thermal energy, gas, fuels or electricity– an option that has scope for integrated short- and long-term energy storage. This is the first research work to realise such a system and demonstrate how it might operate using smart control strategies and how thermo-chemical fluids (TCFs) can be used as a medium for timely energy storage and distribution. The experimental study also describes the effect of steady and variable heat sources on TCF regeneration performance and estimates the potential of thermo-chemical energy networks, which would be particularly beneficial in buildings with high energy consumption for humidity control. This research proves the practicality of the design idea for such a network, which would be governed by centralised control, regenerated by steady or transient heat loads and capable of supplying a variety of demands in an experimental setting. The energy and economic potential of the network were also assessed, identifying temperature and humidity control application scenarios with energy savings of more than 60% compared to conventional operation and payback periods of 6.6–9.7 years.

Original languageEnglish
Article number112869
Number of pages14
JournalRenewable and Sustainable Energy Reviews
Volume168
Early online date27 Aug 2022
DOIs
Publication statusPublished - Oct 2022
Externally publishedYes

Bibliographical note

© 2022 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

Funder

This project was funded through the Engineering and Physical Science Research Council (EPSRC) of the United Kingdom (EP/T022981/1), “DEcarbonisation of Low TemperAture Process Heat Industry, DELTA PHI” and the project H-DisNet funded by the European Commission in the Horizon 2020 program under grant No. 695780.

Keywords

  • Low-grade heat recovery
  • Temperature and humidity control
  • Thermo-chemical district network
  • Thermo-chemical energy storage

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment

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