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Reference Number EP/W010828/1
Title High-performance ultra-low-carbon Geopolymer heat Battery for thermochemical energy storage in net-zero buildings (GeoBattery)
Status Started
Energy Categories OTHER POWER and STORAGE TECHNOLOGIES (Energy storage) 100%;
Research Types Basic and strategic applied research 100%
Science and Technology Fields PHYSICAL SCIENCES AND MATHEMATICS (Chemistry) 30%;
PHYSICAL SCIENCES AND MATHEMATICS (Metallurgy and Materials) 25%;
ENGINEERING AND TECHNOLOGY (Electrical and Electronic Engineering) 15%;
ENGINEERING AND TECHNOLOGY (Civil Engineering) 30%;
UKERC Cross Cutting Characterisation Not Cross-cutting 100%
Principal Investigator Dr X Ke

Architecture and Civil Engineering
University of Bath
Award Type Standard
Funding Source EPSRC
Start Date 25 July 2022
End Date 24 July 2024
Duration 24 months
Total Grant Value £318,435
Industrial Sectors Energy
Region South West
Programme NC : Engineering
 
Investigators Principal Investigator Dr X Ke , Architecture and Civil Engineering, University of Bath (100.000%)
  Industrial Collaborator Project Contact , University of Birmingham (0.000%)
Project Contact , SPECIFIC Innovation and Knowledge Centre (0.000%)
Project Contact , First Graphene (UK) Ltd (0.000%)
Web Site
Objectives
Abstract Space heating currently accounts for 25% of the UK's energy consumption and 17% of its carbon emissions. The effective and efficient recovery, storage, and reuse of waste heat, together with renewable energy, play indispensable roles in decarbonisation of heating in buildings. The thermochemical energy storage materials possess the highest volumetric energy density comparing to phase change and sensible heat storage materials. However, the design and manufacture of thermochemical energy storage materials are still facing the challenges of high cost, low sustainability, and limited heating power. There also lacks fundamental understandings of the properties of materials that control the cyclic energy storage performances and structural stabilities. These have brought significant challenges to optimisation and implementation of the thermochemical energy storage techniques for domestic application.This project adopts novel research approaches for civil engineering materials to tackle these standing challenges faced by developing thermochemical energy storage materials. Versatile high-performance heat battery materials will be developed from sustainable low-cost civil engineering material geopolymers. Lightweight geopolymer composite materials with enhanced heat and mass transport properties and thermochemical energy storage capacity will be developed through green synthesis routes. The first structural stability assessment model for predicting the service cycle life of heat battery materials will be proposed from the extended chemo-mechanical salt damage model for inorganic porous building materials. The materials fabrication technology and fundamental understanding of the degradation mechanism developed in this project will be transferable to versatile "salt-in-matrix" TCES composites. The outcomes developed from this project will drastically improve the sustainability and resilience of thermal energy storage technologies, for decarbonisation of heating in existing and new-built buildings.
Publications (none)
Final Report (none)
Added to Database 10/08/22