Operational experience with a liquid organic hydrogen carrier (LOHC) system for bidirectional storage of electrical energy over 725 h

被引：10

作者：

Geiling, Johannes ^{[1
,6
]}

Wagner, Lisa ^{[4
]}

Auer, Franziska ^{[2
]}

Ortner, Florian ^{[1
,2
,4
]}

Nuss, Andreas ^{[1
,7
]}

Seyfried, Roman ^{[1
,3
]}

Stammberger, Florian ^{[3
]}

Steinberger, Michael ^{[1
]}

Boesmann, Andreas ^{[4
]}

Oechsner, Richard ^{[1
]}

Wasserscheid, Peter ^{[2
,4
]}

Graichen, Knut ^{[5
]}

Maerz, Martin ^{[1
]}

Preuster, Patrick ^{[2
,8
,9
]}

机构：

[1] Fraunhofer Inst Integrated Syst & Device Technol I, Schottykstr 10, D-91058 Erlangen, Germany

[2] Forschungszentrum Julich, Helmholtz Inst Erlangen Nurnberg Renewable Energy, Egerlandstr 3, D-91058 Erlangen, Germany

[3] Friedrich Alexander Univ Erlangen Nurnberg FAU, Chair Electron Devices LEB, Cauerstr 6, D-91058 Erlangen, Germany

[4] Friedrich Alexander Univ Erlangen Nurnberg FAU, Inst Chem React Engn CRT, Egerlandstr 3, D-91058 Erlangen, Germany

[5] Friedrich Alexander Univ Erlangen Nurnberg FAU, Chair Automat Control, Cauerstr 7, D-91058 Erlangen, Germany

[6] Siemens Energy Global GmbH & Co KG, Freyeslebenstr 1, D-91058 Erlangen, Germany

[7] Hydrogenious LOHC Technol GmbH, Weidenweg 13, D-91058 Erlangen, Germany

[8] Bochum Univ Appl Sci, Dept Mechatron & Mech Engn, Am Hochschulcampus 1, D-44801 Bochum, Germany

[9] Fraunhofer Res Inst Energy Infrastruct & Geotherma, Fraunhofer IEG, Am Hochschulcampus 1, D-44801 Bochum, Germany

来源：

JOURNAL OF ENERGY STORAGE | 2023年 / 72卷

关键词：

Liquid organic hydrogen carrier (LOHC); Hydrogen storage; Operation experience; PEM fuel cell; PEM electrolyzer; Catalyst; FUEL-CELLS; DEHYDROGENATION; METHYLCYCLOHEXANE; DIBENZYLTOLUENE; INTEGRATION; CATALYST; SIZE;

D O I：

10.1016/j.est.2023.108478

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：

Hydrogen storage in liquid organic hydrogen carriers (LOHC) enables the utilization of renewable energy in different sectors. In this paper, we describe the operational experience with one single LOHC system for bidirectional electrical energy storage at the kW scale. The system includes a reactor for the hydrogenation and dehydrogenation of LOHC, as well as a fuel cell and an electrolyzer based on polymer electrolyte membrane (PEM) technology. The LOHC used is the substance pair dibenzyltoluene/perhydro-dibenzyltoluene. For dehydrogenation, the upflow operation with common discharge of liquid and gaseous product was found to be the preferred mode of operation. For hydrogenation, it was shown that stable operation is possible also with fluctuating hydrogen production from the electrolyzer. After operating the reactor for 725 h in the hot state, i.e., at temperatures above 150 degrees C, samples of the catalyst and LOHC were taken and analyzed. These showed no signs of serious degradation.

引用

页数：13

共 29 条

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