Thermochemical energy storage by consecutive reactions for higher efficient concentrated solar power plants (CSP): Proof of concept

被引：47

作者：

Cabeza, Luisa F. ^{[1
]}

Sole, Aran ^{[1
]}

Fontanet, Xavier ^{[1
]}

Barreneche, Camila ^{[1
,2
]}

Jove, Aleix ^{[3
]}

Gallas, Manuel ^{[3
]}

Prieto, Cristina ^{[3
]}

Ines Fernandez, A. ^{[2
]}

机构：

[1] Univ Lleida, GREA Innovacio Concurrent, Edifici CREA,Pere de Cabrera S-N, Lleida 25001, Spain

[2] Univ Barcelona, DIOPMA Dept Mat Sci & Met Engn, Marti i Franques 1-11, E-08028 Barcelona, Spain

[3] Abengoa Res, C Energia Solar 1, Seville 41012, Spain

来源：

APPLIED ENERGY | 2017年 / 185卷

关键词：

Thermal energy storage (TES); Thermochemical materials (TCM); High temperature; Concentrated solar power plant (CSP); Consecutive reactions; FEO/FE3O4 REDOX REACTIONS; HYDROGEN-PRODUCTION; HIGH-TEMPERATURE; STEAM-GASIFICATION; CHEMICAL REACTOR; CARBOTHERMAL REDUCTION; THERMAL-DISSOCIATION; SULFATE REDUCTION; ELEMENTAL SULFUR; BARIUM-SULFATE;

D O I：

10.1016/j.apenergy.2016.10.093

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Concentrated solar power plants (CSP) combined with thermal energy storage (TES) offers the benefit to provide continuous electricity production by renewable energy feed. There are several TES technologies to be implemented, being the thermochemical energy storage the less studied and the most attractive since its volumetric energy density is 5 and 10 times higher than latent and sensible TES, respectively. Thermochemical energy storage technology is based on reversible chemical reactions, also named thermochemical materials (TCM). One of the main challenges of TCM is to achieve a proper reversibility of the reactions, which in practical conditions leads to lower efficiencies than the theoretically expected. A new concept based on changing from reversible TCM reactions towards TCM consecutive reactions aims to eliminate reversibility problems and therefore improve the overall efficiency. Consecutive TCM reactions can either be based in one cycle, where reactants are needed to feed the reaction, or two coupled cycles which offer the possibility to work without any extra mass reactants input. The plausibility of the implementation of both concepts in CSP is detailed in this paper and case studies are described for each one. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：836 / 845

页数：10

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