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Synthesis and Chara...
Synthesis and Characterization of LiFePO4-PANI Hybrid Material as Cathode for Lithium-Ion Batteries
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- Ajpi Condori, Cesario (författare)
- KTH,Tillämpad elektrokemi,UMSA Univ Mayor San Andres, IIQ Chem Res Inst, Dept Inorgan Chem & Mat Sci Adv Mat, La Paz 303, Bolivia.,Universidad Mayor de San Andres, Bolivia; KTH Royal Institute of Technology, Sweden
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- Leiva, Naviana (författare)
- UMSA Univ Mayor San Andres, IIQ Chem Res Inst, Dept Inorgan Chem & Mat Sci Adv Mat, La Paz 303, Bolivia.,Universidad Mayor de San Andres, Bolivia
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- Vargas, Max (författare)
- UMSA Univ Mayor San Andres, IIQ Chem Res Inst, Dept Inorgan Chem & Mat Sci Adv Mat, La Paz 303, Bolivia.,Universidad Mayor de San Andres, Bolivia
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- Lundblad, Anders Olof (författare)
- RISE,Elektrifiering och pålitlighet
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- Lindbergh, Göran, 1959- (författare)
- KTH,Tillämpad elektrokemi,KTH Royal Institute of Technology, Sweden
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- Cabrera, Saul (författare)
- UMSA Univ Mayor San Andres, IIQ Chem Res Inst, Dept Inorgan Chem & Mat Sci Adv Mat, La Paz 303, Bolivia.,Universidad Mayor de San Andres, Bolivia
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(creator_code:org_t)
- 2020-06-24
- 2020
- Engelska.
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Ingår i: Materials. - : MDPI AG. - 1996-1944. ; 13:12
- Relaterad länk:
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https://www.mdpi.com...
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https://doi.org/10.3...
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https://urn.kb.se/re...
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https://doi.org/10.3...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- This work focuses on the synthesis of LiFePO4-PANI hybrid materials and studies their electrochemical properties (capacity, cyclability and rate capability) for use in lithium ion batteries. PANI synthesis and optimization was carried out by chemical oxidation (self-assembly process), using ammonium persulfate (APS) and H3PO4, obtaining a material with a high degree of crystallinity. For the synthesis of the LiFePO4-PANI hybrid, a thermal treatment of LiFePO(4)particles was carried out in a furnace with polyaniline (PANI) and lithium acetate (AcOLi)-coated particles, using Ar/H(2)atmosphere. The pristine and synthetized powders were characterized by XRD, SEM, IR and TGA. The electrochemical characterizations were carried out by using CV, EIS and galvanostatic methods, obtaining a capacity of 95 mAhg(-1)for PANI, 120 mAhg(-1)for LiFePO(4)and 145 mAhg(-1)for LiFePO4-PANI, at a charge/discharge rate of 0.1 C. At a charge/discharge rate of 2 C, the capacities were 70 mAhg(-1)for LiFePO(4)and 100 mAhg(-1)for LiFePO4-PANI, showing that the PANI also had a favorable effect on the rate capability.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- PANI
- LiFePO4
- conducting polymers
- hybrid materials
- lithium-ion batteries
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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