2022
DOI: 10.1088/2516-1083/ac72ea
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Hydride-based thermal energy storage

Abstract: The potential and research surrounding metal hydride (MH) based thermal energy storage is discussed, focusing on next generation thermo-chemical energy storage (TCES) for concentrated solar power. The site availability model to represent the reaction mechanisms of both the forward and backward MH reaction is presented, where this model is extrapolated to a small pilot scale reactor, detailing how a TCES could function/operate in a real-world setting using a conventional shell & tube reactor approach. Furth… Show more

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Cited by 23 publications
(10 citation statements)
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“…[4][5][6] A recent paper by Adams et al highlighted the advantages of metal hydrides for TCES, and addressed the challenges related to their implementation in large-scale systems in terms of reaction modelling, reactor material selection and design. 7 Hardy et al modelled a high-temperature TCES system operating with a metal hydride pair for solar energy storage; of which the outcomes conrmed that appropriate operating conditions and sizing are crucial to ensure the viability of the system and avoid failure due to thermal ratcheting. 8 Feng et al proposed an optimal reactor design methodology with heat transfer uid owing through a regular helical tube placed in the reactor bed powder to optimise energy storage using a metal hydride.…”
Section: Introductionmentioning
confidence: 99%
“…[4][5][6] A recent paper by Adams et al highlighted the advantages of metal hydrides for TCES, and addressed the challenges related to their implementation in large-scale systems in terms of reaction modelling, reactor material selection and design. 7 Hardy et al modelled a high-temperature TCES system operating with a metal hydride pair for solar energy storage; of which the outcomes conrmed that appropriate operating conditions and sizing are crucial to ensure the viability of the system and avoid failure due to thermal ratcheting. 8 Feng et al proposed an optimal reactor design methodology with heat transfer uid owing through a regular helical tube placed in the reactor bed powder to optimise energy storage using a metal hydride.…”
Section: Introductionmentioning
confidence: 99%
“…12 The application of hydrides in technological processes are increasing and currently involve hydrogen gas uptake and release (absorption and storage, purification), hydrogen pressure−temperature characteristics (actuators, compressors, sensors), electrochemical properties (ion conductors, electrolytes, batteries), and latent heat of reaction (refrigerators, heat pumps, heat storage). 5,13,14 In particular, sodium hydride has a multitude of commercial uses including the preparation of sodium alcoholates by reaction with difunctional alcohols, the reduction of metal salts to liberate metals and metal hydrides from salts, the removal of trace impurities from solvents and gases, as a catalyst in organic synthesis, and for the inorganic production of metal hydrides. 15 In particular, one application is in the preparation of sodium borohydride (NaBH 4 ) through the Brown−Schlesinger process (reaction 1).…”
Section: ■ Introductionmentioning
confidence: 99%
“…They have also been used in the nuclear industry for moderators, shielding, and isotope separation and storage . The application of hydrides in technological processes are increasing and currently involve hydrogen gas uptake and release (absorption and storage, purification), hydrogen pressure–temperature characteristics (actuators, compressors, sensors), electrochemical properties (ion conductors, electrolytes, batteries), and latent heat of reaction (refrigerators, heat pumps, heat storage). ,, …”
Section: Introductionmentioning
confidence: 99%
“…Hydrides from metals and intermetallic materials are widely studied and well established over a broad operating temperature and pressure range in multifaceted elds of application, such as stationary and mobile solid-state hydrogen storages, [1][2][3] thermal energy storages [4][5][6] & conversion technologies, [7][8][9] thermochemical heat pumps 10,11 and hydrogen compressors 2,12 in general. Since the actual material properties in terms of crystal structures, phase transitions, thermodynamics, hydrogen capacity, kinetics and durability, mainly determine the feasibility of the respective technology, detailed experimental data of the materials remains of greatest interest.…”
Section: Introductionmentioning
confidence: 99%