Sökning: WFRF:(Delekta Szymon Sollami) >
Selective depositio...
Selective deposition of metal oxide nanoflakes on graphene electrodes to obtain high-performance asymmetric micro-supercapacitors
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- Xia, Zhenyuan (författare)
- Chalmers Univ Technol, Dept Ind & Mat Sci, Horsalsvagen 7B, S-41258 Gothenburg, Sweden.;CNR, Ist Sintesi Organ & Fotoreattivita, Via Gobetti 101, I-40129 Bologna, Italy.
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- Mishukova, Viktoriia (författare)
- KTH,Elektronik och inbyggda system
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- Sollami Delekta, Szymon (författare)
- KTH,Elektronik och inbyggda system
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- Sun, Jinhua (författare)
- Chalmers Univ Technol, Dept Ind & Mat Sci, Horsalsvagen 7B, S-41258 Gothenburg, Sweden.
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- Sanchez, Jaime S. (författare)
- Chalmers Univ Technol, Dept Ind & Mat Sci, Horsalsvagen 7B, S-41258 Gothenburg, Sweden.
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- Li, Jiantong, 1980- (författare)
- KTH,Elektronik och inbyggda system
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- Palermo, Vincenzo (författare)
- Chalmers Univ Technol, Dept Ind & Mat Sci, Horsalsvagen 7B, S-41258 Gothenburg, Sweden.;CNR, Ist Sintesi Organ & Fotoreattivita, Via Gobetti 101, I-40129 Bologna, Italy.
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Chalmers Univ Technol, Dept Ind & Mat Sci, Horsalsvagen 7B, S-41258 Gothenburg, Sweden;CNR, Ist Sintesi Organ & Fotoreattivita, Via Gobetti 101, I-40129 Bologna, Italy. Elektronik och inbyggda system (creator_code:org_t)
- 2021
- 2021
- Engelska.
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Ingår i: Nanoscale. - : Royal Society of Chemistry (RSC). - 2040-3364 .- 2040-3372. ; 13:5, s. 3285-3294
- Relaterad länk:
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https://doi.org/10.1...
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https://kth.diva-por... (primary) (Raw object)
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https://pubs.rsc.org...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- To meet the charging market demands of portable microelectronics, there has been a growing interest in high performance and low-cost microscale energy storage devices with excellent flexibility and cycling durability. Herein, interdigitated all-solid-state flexible asymmetric micro-supercapacitors (A-MSCs) were fabricated by a facile pulse current deposition (PCD) approach. Mesoporous Fe2O3 and MnO2 nanoflakes were functionally coated by electrodeposition on inkjet-printed graphene patterns as negative and positive electrodes, respectively. Our PCD approach shows significantly improved adhesion of nanostructured metal oxide with crack-free and homogeneous features, as compared with other reported electrodeposition approaches. The as-fabricated Fe2O3/MnO2 A-MSCs deliver a high volumetric capacitance of 110.6 F cm(-3) at 5 mu A cm(-2) with a broad operation potential range of 1.6 V in neutral LiCl/PVA solid electrolyte. Furthermore, our A-MSC devices show a long cycle life with a high capacitance retention of 95.7% after 10 000 cycles at 100 mu A cm(-2). Considering its low cost and potential scalability to industrial levels, our PCD technique could be an efficient approach for the fabrication of high-performance MSC devices in the future.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
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