Hybrid strontium bromide-natural graphite composites for low to medium temperature thermochemical energy storage: Formulation, fabrication and performance investigation

Research output: Contribution to journalArticlepeer-review

Standard

Harvard

APA

Vancouver

Author

Bibtex

@article{bed8b66cc45b4f099cd82ee2dab5c1f5,
title = "Hybrid strontium bromide-natural graphite composites for low to medium temperature thermochemical energy storage:: Formulation, fabrication and performance investigation",
abstract = "Thermochemical energy storage has the potential to provide efficient, compact and long duration storage of thermal energy. Major advancements, however, are needed for such a technology to meet performance and cost targets. Here we present a study on novel composites for low to medium temperature thermochemical energy storage (<150 °C) with an aim to maximize energy density and to understand the associated mass and heat transport phenomena. The composites were made of strontium bromide hexahydrate and natural graphite with the latter acting as a supporting matrix. We used a simple manufacturing method to fabricate the composites and experimentally characterized the performance of the materials using various methods including thermogravimetry, laser flash analysis and dynamic vapor sorption. The results showed that the composites achieved an energy density above 600 kJ/kg with the storage process occurring mostly below ∼100 °C – a promising feature for domestic applications. The results also showed that the natural graphite could improve the hydration-dehydration kinetics by reducing hysteresis and a fourfold increase in the thermal conductivity could be achieved with 20% of natural graphite in the composite.",
keywords = "Energy efficiency, Energy materials, Long-term energy storage, Sorption, Thermal energy storage, Thermochemical energy storage",
author = "A. Cammarata and V. Verda and Adriano Sciacovelli and Yulong Ding",
year = "2018",
month = jun,
day = "15",
doi = "10.1016/j.enconman.2018.04.031",
language = "English",
volume = "166",
pages = "233--240",
journal = "Energy Conversion and Management",
issn = "0196-8904",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Hybrid strontium bromide-natural graphite composites for low to medium temperature thermochemical energy storage:

T2 - Formulation, fabrication and performance investigation

AU - Cammarata, A.

AU - Verda, V.

AU - Sciacovelli, Adriano

AU - Ding, Yulong

PY - 2018/6/15

Y1 - 2018/6/15

N2 - Thermochemical energy storage has the potential to provide efficient, compact and long duration storage of thermal energy. Major advancements, however, are needed for such a technology to meet performance and cost targets. Here we present a study on novel composites for low to medium temperature thermochemical energy storage (<150 °C) with an aim to maximize energy density and to understand the associated mass and heat transport phenomena. The composites were made of strontium bromide hexahydrate and natural graphite with the latter acting as a supporting matrix. We used a simple manufacturing method to fabricate the composites and experimentally characterized the performance of the materials using various methods including thermogravimetry, laser flash analysis and dynamic vapor sorption. The results showed that the composites achieved an energy density above 600 kJ/kg with the storage process occurring mostly below ∼100 °C – a promising feature for domestic applications. The results also showed that the natural graphite could improve the hydration-dehydration kinetics by reducing hysteresis and a fourfold increase in the thermal conductivity could be achieved with 20% of natural graphite in the composite.

AB - Thermochemical energy storage has the potential to provide efficient, compact and long duration storage of thermal energy. Major advancements, however, are needed for such a technology to meet performance and cost targets. Here we present a study on novel composites for low to medium temperature thermochemical energy storage (<150 °C) with an aim to maximize energy density and to understand the associated mass and heat transport phenomena. The composites were made of strontium bromide hexahydrate and natural graphite with the latter acting as a supporting matrix. We used a simple manufacturing method to fabricate the composites and experimentally characterized the performance of the materials using various methods including thermogravimetry, laser flash analysis and dynamic vapor sorption. The results showed that the composites achieved an energy density above 600 kJ/kg with the storage process occurring mostly below ∼100 °C – a promising feature for domestic applications. The results also showed that the natural graphite could improve the hydration-dehydration kinetics by reducing hysteresis and a fourfold increase in the thermal conductivity could be achieved with 20% of natural graphite in the composite.

KW - Energy efficiency

KW - Energy materials

KW - Long-term energy storage

KW - Sorption

KW - Thermal energy storage

KW - Thermochemical energy storage

UR - http://www.scopus.com/inward/record.url?scp=85045288108&partnerID=8YFLogxK

U2 - 10.1016/j.enconman.2018.04.031

DO - 10.1016/j.enconman.2018.04.031

M3 - Article

AN - SCOPUS:85045288108

VL - 166

SP - 233

EP - 240

JO - Energy Conversion and Management

JF - Energy Conversion and Management

SN - 0196-8904

ER -