Journal Article FZJ-2016-04176

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Photoelectrochemical application of thin-film silicon triple-junction solar cell in batteries

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2016
Wiley-VCH Weinheim

Physica status solidi / A 213(7), 1926 - 1931 () [10.1002/pssa.201532918]

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Abstract: Solar cell in combination with a secondary battery is a straightforward power supply solution for portable electronics. When used indoors or outdoors under sufficient illumination conditions the combination is attractive to realize self-sustained devices or extend off-grid operation time. However, only little fraction of widely spread portable devices worldwide are equipped with PV energy harvesters. Besides low-average power, combination of discrete PV module and battery is bulky for extreme demands in modern portable electronics. Integration of thin-film solar cell with a thin-film storage cell in a monolithic, customizable module is a viable option. The low level cell-to-cell integration is possible with thin-film silicon multi-junction solar cells providing sufficient voltage to charge Li-ion storage cell. In this work, we focus on the development of triple-junction thin-film silicon solar cells for monolithic integration with lithium ion storage cells. We show that with appropriate voltage matching a triple junction thin-film silicon solar cell provides efficient charging for lab-scale Li-ion storage cell under a range of illumination intensities. Maximum solar energy-to-battery charging efficiency of 8.8% was obtained.

Classification:

Contributing Institute(s):
  1. Photovoltaik (IEK-5)
  2. Grundlagen der Elektrochemie (IEK-9)
Research Program(s):
  1. 121 - Solar cells of the next generation (POF3-121) (POF3-121)
  2. HITEC - Helmholtz Interdisciplinary Doctoral Training in Energy and Climate Research (HITEC) (HITEC-20170406) (HITEC-20170406)

Appears in the scientific report 2016
Database coverage:
Medline ; Current Contents - Physical, Chemical and Earth Sciences ; IF < 5 ; JCR ; NationallizenzNationallizenz ; No Authors Fulltext ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection
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Institute Collections > IET > IET-1
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IEK > IEK-9
IEK > IEK-5
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 Record created 2016-08-04, last modified 2024-07-12


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