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Powder-impregnated ...
Powder-impregnated carbon fibers with lithium iron phosphate as positive electrodes in structural batteries
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- Yucel, Yasemin Duygu (author)
- KTH,Tillämpad elektrokemi
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- Adolfsson, Erik (author)
- RISE,Tillverkningsprocesser,RISE Res Inst Sweden, SE-43153 Mölndal, Sweden.
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- Dykhoff, Henrik (author)
- RISE,Polymera material och kompositer,RISE Res Inst Sweden, SE-43153 Mölndal, Sweden.
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- Pettersson, Johan (author)
- RISE,Material och produktion
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- Trey, Stacy (author)
- RISE,Polymera material och kompositer,RISE Res Inst Sweden, SE-16440 Kista, Sweden.
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- Wysocki, Maciej (author)
- RISE,Korrosion,RISE Res Inst Sweden, SE-43153 Mölndal, Sweden.
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- Zenkert, Dan, 1961- (author)
- KTH,Farkostteknik och Solidmekanik
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- Wreland Lindström, Rakel, 1973- (author)
- KTH,Tillämpad elektrokemi
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- Lindbergh, Göran, 1959- (author)
- KTH,Tillämpad elektrokemi
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- Pettersson, Jocke (author)
- RISE Res Inst Sweden, SE-43153 Mölndal, Sweden.
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(creator_code:org_t)
- Elsevier Ltd, 2023
- 2023
- English.
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In: Composites Science And Technology. - : Elsevier Ltd. - 0266-3538 .- 1879-1050. ; 241
- Related links:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- A structural battery is a multifunctional battery that can carry a load while storing energy. Structural batteries have been a cutting-edge research focus in the last decade and are mainly based on polyacrylonitrile (PAN)-carbon fibers (CFs). In this work, positive electrodes based on PAN-carbon fibers were manufactured with powder impregnation (siphon impregnation) technique using a water-based slurry containing lithium iron phosphate (LFP) as the active electrode material and the water-soluble binder polyethylene glycol (PEG). Different coating compositions, electrode-drying temperatures, and coating parameters were investigated to optimize the coating uniformity and the electrochemical performances. Scanning electron microscopy results showed that the electrode materials coat the CFs uniformly, conformably, and individually. Electrochemical characterization of pouch cells shows that the electrodes containing 6 wt% PEG dried at 140 °C have the best battery performance, delivering a first discharge capacity of 151 mAh g−1 and capacity retention higher than 80% after 100 cycles. Moreover, excellent capacity reversibility was achieved when the electrodes were cycled at multiple C-rates attesting to their stability. The results demonstrate that CFs perform excellently as current collectors in positive electrodes.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Kompositmaterial och -teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Composite Science and Engineering (hsv//eng)
Keyword
- Carbon fibers
- LiFePO<sub>4</sub>
- Lithium-ion battery
- Siphon impregnation
- Structural positive electrode
- Coatings
- Electric discharges
- Electrochemical electrodes
- Impregnation
- Iron compounds
- Lithium-ion batteries
- Scanning electron microscopy
- Active electrode materials
- Cutting edges
- Energy
- Impregnated carbons
- Positive electrodes
- Research focus
- Structural batteries
- Water-based slurry
- Lithium compounds
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Yucel, Yasemin D ...
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Adolfsson, Erik
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Dykhoff, Henrik
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Pettersson, Joha ...
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Trey, Stacy
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Wysocki, Maciej
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Zenkert, Dan, 19 ...
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Wreland Lindströ ...
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Lindbergh, Göran ...
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Pettersson, Jock ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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and Composite Scienc ...
- Articles in the publication
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Composites Scien ...
- By the university
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RISE
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Royal Institute of Technology