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  • Yang, LiLinköpings universitet,Materialdesign,Tekniska fakulteten,Southeast Univ, Peoples R China (author)

A Highly Reversible Aqueous Ammonium-Ion Battery based on alpha-MoO3/Ti3C2Tz Anodes and (NH4)(x)MnO2/CNTs Cathodes

  • Article/chapterEnglish2023

Publisher, publication year, extent ...

  • 2023-01-18
  • WILEY-V C H VERLAG GMBH,2023
  • electronicrdacarrier

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  • LIBRIS-ID:oai:DiVA.org:liu-191985
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-191985URI
  • https://doi.org/10.1002/batt.202200432DOI

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  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Funding Agencies|Knut and Alice Wallenberg (KAW) Foundation for a Fellowship/Scholar Grant [KAW 2020.0033]; China Postdoctoral Science Foundation [2020TQ0063, 2021M700759]; Jiangsu Planned Projects for Postdoctoral Research Funds; Fundamental Research Funds for the Central Universities; Zhishan Youth Scholar Program of Southeast University
  • 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.

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  • Zheng, WeiSoutheast Univ, Peoples R China (author)
  • Halim, JosephLinköpings universitet,Materialdesign,Tekniska fakulteten(Swepub:liu)josha78 (author)
  • Rosén, JohannaLinköpings universitet,Materialdesign,Tekniska fakulteten(Swepub:liu)johro07 (author)
  • Sun, ZhengMingSoutheast Univ, Peoples R China (author)
  • Barsoum, MichelLinköpings universitet,Materialdesign,Tekniska fakulteten,Drexel Univ, PA 19104 USA(Swepub:liu)micba79 (author)
  • Linköpings universitetMaterialdesign (creator_code:org_t)

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  • In:Batteries & Supercaps: WILEY-V C H VERLAG GMBH62566-6223

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By the author/editor
Yang, Li
Zheng, Wei
Halim, Joseph
Rosén, Johanna
Sun, ZhengMing
Barsoum, Michel
About the subject
ENGINEERING AND TECHNOLOGY
ENGINEERING AND ...
and Environmental En ...
and Energy Systems
Articles in the publication
Batteries & Supe ...
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Linköping University

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