High-Temperature Latent-Heat Energy Storage Concept Based on Thermoelectronic Energy Conversion

被引：9

作者：

Voesch, Wolfgang ^{[1
]}

Wanke, Robin ^{[1
]}

Rastegar, Iman ^{[1
]}

Braun, Wolfgang ^{[1
]}

Kribus, Abraham ^{[2
]}

Mannhart, Jochen ^{[1
]}

机构：

[1] Max Planck Inst Solid State Res, Solid State Quantum Elect, Heisenbergstr 1, D-70569 Stuttgart, Germany

[2] Tel Aviv Univ, Sch Mech Engn, IL-69978 Tel Aviv, Israel

来源：

ENERGY TECHNOLOGY | 2017年 / 5卷 / 12期

关键词：

thermal energy storage; latent heat; solar-thermal conversion; steam turbine; thermionic energy conversion; PHASE-CHANGE MATERIALS; ORGANIC RANKINE CYCLES; PERFORMANCE ENHANCEMENT; ELECTRICAL-RESISTIVITY; THERMAL-CONDUCTIVITY; ELECTROMAGNETIC PUMP; WASTE HEAT; SOLAR; TECHNOLOGY; ENCAPSULATION;

D O I：

10.1002/ente.201700273

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：

Energy storage is particularly essential for renewable energy sources. Here we present the concept of high-temperature latent-heat storage coupled with thermoelectronic energy conversion. We analyze this concept and its potential for storing large quantities of energy for several days. We investigate the efficiency of electricity generation and storage by using a single thermoelectronic energy converter and a bottoming cycle with a steam turbine. For storage temperatures above 1400 degrees C and large amounts of stored energy (>100 MWh), the maximum energy conversion efficiencies of such systems are high. Thus the proposed systems are attractive storage solutions for excessive heat storage and heat-on-demand delivery of large-scale thermal solar power plants.

引用

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页码：2234 / 2243

页数：10

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