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Micro-grid design and life-cycle assessment of a mountain hut's stand-alone energy system with hydrogen used for seasonal storage
ID
Mori, Mitja
(
Author
),
ID
Gutiérrez, Manuel
(
Author
),
ID
Casero, Pedro
(
Author
)
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https://www.sciencedirect.com/science/article/pii/S0360319920344013
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Abstract
Mountain huts, as special, stand-alone, micro-grid systems, are not connected to a power grid and represent a burden on the environment. The micro-grid has to be flexible to cover daily and seasonal fluctuations. Heat and electricity are usually generated with fossil fuels due to the simple on-off operation. By introducing renewable energy sources (RESs), the generation of energy could be more sustainable, but the generation and consumption must be balanced. The paper describes the integration of a hydrogen-storage system (HSS) and a battery-storage system (BattS) in a mountain hut. The HSS involves a proton-exchange-membrane water electrolyser (PEMWE), a hydrogen storage tank (H$_2$ tank), a PEM fuel cell (PEMFC) and a BattS consisting of lead-acid batteries. Eight micro-grid configurations were modelled using HOMER and evaluated from the technical, environmental and economic points of view. A life-cycle assessment analysis was made from the cradle to the gate. The micro-grid configurations with the HSS achieve, on average, a more than 70% decrease in the environmental impacts in comparison to the state of play at the beginning, but require a larger investment. Comparing the HSS with the BattS as a seasonal energy storage, the hydrogen-based technology had advantages for all of the assessed criteria.
Language:
English
Keywords:
mountain huts
,
micro-grid
,
hydroelectricity
,
energy storage
,
environmental impacts
,
net present costs
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FS - Faculty of Mechanical Engineering
Publication status:
Published
Publication version:
Version of Record
Year:
2021
Number of pages:
Str. 29706-29723
Numbering:
Vol. 46, iss. 57
PID:
20.500.12556/RUL-138450
UDC:
502.174.3:728.5
ISSN on article:
0360-3199
DOI:
10.1016/j.ijhydene.2020.11.155
COBISS.SI-ID:
41896707
Publication date in RUL:
21.07.2022
Views:
663
Downloads:
99
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Record is a part of a journal
Title:
International journal of hydrogen energy
Shortened title:
Int. j. hydrogen energy
Publisher:
Elsevier, Hydrogen Energy Publications LLC
ISSN:
0360-3199
COBISS.SI-ID:
3338511
Licences
License:
CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:
http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:
The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Secondary language
Language:
Slovenian
Keywords:
planinske koče
,
mikro omrežje
,
hidroenergija
,
shranjevanje energije
,
okoljski vplivi
,
neto sedanja vrednost
Projects
Funder:
EC - European Commission
Funding programme:
LIFE
Project number:
LIFE15 CCA/ES/000058
Name:
Sustainable Mountain Huts in Europe
Acronym:
SUSTAINHUTS
Funder:
ARRS - Slovenian Research Agency
Project number:
P2-0401
Name:
Energetsko strojništvo
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