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Conducting Redox Po...
Conducting Redox Polymer as a Robust Organic Electrode-Active Material in Acidic Aqueous Electrolyte towards Polymer-Air Secondary Batteries
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- Oka, Kouki (författare)
- Uppsala universitet,Nanoteknologi och funktionella material,Waseda Univ, Dept Appl Chem, Shinjuku Ku, 3-4-1 Okubo, Tokyo 1658555, Japan.
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- Strietzel, Christian (författare)
- Uppsala universitet,Nanoteknologi och funktionella material
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- Emanuelsson, Rikard (författare)
- Uppsala universitet,Nanoteknologi och funktionella material
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- Nishide, Hiroyuki (författare)
- Waseda Univ, Dept Appl Chem, Shinjuku Ku, 3-4-1 Okubo, Tokyo 1658555, Japan.;Waseda Univ, Res Inst Sci & Engn, Shinjuku Ku, 3-4-1 Okubo, Tokyo 1658555, Japan.
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- Oyaizu, Kenichi (författare)
- Waseda Univ, Dept Appl Chem, Shinjuku Ku, 3-4-1 Okubo, Tokyo 1658555, Japan.;Waseda Univ, Res Inst Sci & Engn, Shinjuku Ku, 3-4-1 Okubo, Tokyo 1658555, Japan.
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- Strømme, Maria, 1970- (författare)
- Uppsala universitet,Nanoteknologi och funktionella material
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- Sjödin, Martin, 1974- (författare)
- Uppsala universitet,Nanoteknologi och funktionella material
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(creator_code:org_t)
- 2020-04-27
- 2020
- Engelska.
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Ingår i: ChemSusChem. - : Wiley. - 1864-5631 .- 1864-564X. ; 13:9, s. 2280-2285
- Relaterad länk:
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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
- Organic materials receive increasing attention as environmentally benign and sustainable electrode-active materials. We present a conducting redox polymer (CRP) based on poly(3,4-ethylenedioxythiophene) with naphthoquinone pendant group, which is formed from a stable suspension of a trimeric precursor and an oxoammonium cation as oxidant. This suspension allows us to easily coat the polymer onto a current collector, opening up use of roll-to-roll processing or ink-jet printing for electrode preparation. The CRP showed a full capacity of 76 mAh g(-1) even at a high C rate of 100 C in acidic aqueous electrolyte. These properties make the CRP a promising candidate as anode-active material; a polymer-air secondary battery was fabricated with the CRP as anode, a conventional Pt/C catalyst as cathode, and sulfuric acid aqueous solution as electrolyte. This battery yielded a discharge voltage of 0.50 V and showed good cycling stability with 97 % capacity retention after 100 cycles and high rate capabilities up to 20 C.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- batteries
- conducting redox polymers
- oxygen-reduction reaction
- quinone
- renewable energy storage
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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