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A Highly Reversible...
A Highly Reversible Aqueous Ammonium-Ion Battery based on alpha-MoO3/Ti3C2Tz Anodes and (NH4)(x)MnO2/CNTs Cathodes
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- Yang, Li (författare)
- Linköpings universitet,Materialdesign,Tekniska fakulteten,Southeast Univ, Peoples R China
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- Zheng, Wei (författare)
- Southeast Univ, Peoples R China
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- Halim, Joseph (författare)
- Linköpings universitet,Materialdesign,Tekniska fakulteten
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- Rosén, Johanna (författare)
- Linköpings universitet,Materialdesign,Tekniska fakulteten
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- Sun, ZhengMing (författare)
- Southeast Univ, Peoples R China
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- Barsoum, Michel (författare)
- Linköpings universitet,Materialdesign,Tekniska fakulteten,Drexel Univ, PA 19104 USA
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(creator_code:org_t)
- 2023-01-18
- 2023
- Engelska.
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Ingår i: Batteries & Supercaps. - : WILEY-V C H VERLAG GMBH. - 2566-6223. ; 6
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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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
- Aqueous ammonium-ion batteries (AAIBs) are appealing due to their relatively low cost and good rate performance. In general, AAIBs are environmentally friendlier than their non-aqueous counterparts. However, it is still a challenge to achieve highly reversible AAIBs with decent voltages and energy/power densities. Herein, we report on a full-cell configuration using alpha-MoO3/Ti3C2Tz films as anodes, and (NH4)(x)MnO2/CNTs films as cathodes in a 1 M ammonium acetate (NH4Ac) electrolyte. At 2 V, the operating cell voltage, OCV, is one of the highest reported for AAIBs. A maximum energy density of similar to 32 Wh kg(-1) (similar to 54 Wh L-1) at 0.2 A g(-1) and a maximum power density of similar to 10 kW kg(-1) (similar to 17 kW L-1) at 10 A g(-1) are attained. When the full cells are cycled 2,000 times at 1 A g(-1) they retain similar to 73 % of their initial capacity. When cycling at 10 A g(-1), similar to 96 % of capacity is retained after 43,500 cycles. After 10 h, self-discharge reduces the OCV to similar to 72 % of its original value. This work provides a roadmap for developing high performance AAIBs with high voltages and high energy/power densities. Before this is possible it is imperative that the self-discharge rate be substantially reduced.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Energisystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Energy Systems (hsv//eng)
Nyckelord
- alpha-MoO3; aqueous ammonium-ion batteries; energy and power densities; MnO2 birnessite; MXene; self-discharge
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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