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Pseudo‐Zero‐Gap Flow‐Type Aqueous Zn‐CO2 Batteries.

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Title: Pseudo‐Zero‐Gap Flow‐Type Aqueous Zn‐CO2 Batteries.
Authors: Li, Weiliang1 (AUTHOR), Xu, Guoliang1 (AUTHOR), Huang, Qi2 (AUTHOR), Lu, Tengda1 (AUTHOR), Chen, Sheng2 (AUTHOR), Li, Qiang1 (AUTHOR) liqiang@mail.njust.edu.cn, Duan, Jingjing1 (AUTHOR) jingjing.duan@njust.edu.cn
Source: Advanced Energy Materials. 5/20/2026, Vol. 16 Issue 19, p1-12. 12p.
Subject Terms: *Cathodes, *Electrosynthesis, *Storage batteries, *Martian atmosphere, *Flow batteries
Abstract: Aqueous Zn‐CO2 batteries (AZCBs) generate electricity and convert CO2 into valuable products simultaneously, while their development is limited due to poor mass transport, low reactivity, etc. Therefore, we develop AZCBs featuring flowing CO2 gases and electrolytes, gas‐diffusion cathodes, and especially a pseudo‐zero interelectrode distance. By employing carbon‐coated bismuth oxides (Bi2O3/C) as the cathode in a pseudo‐zero‐gap AZCB, a record‐high peak power density of 67.0 mW cm−2 @current density of 117.5 mA cm−2 is achieved, together with excellent cycling performance over 600 cycles. Specifically, the near‐zero distance greatly promotes hydroxide ion transport and CO2 diffusion by establishing an enhanced concentration gradient at the reaction interface of CO2 electroreduction. Theoretical simulations further indicate preferred formate production is due to the lower energy barrier compared to the CO pathway, because of the favorable *O@Bi adsorption via the *OCHO intermediate. Significantly, the developed AZCBs operate efficiently and stably in a simulated Martian atmosphere, which is promising for future Human exploration of Mars, providing a potential solution for simultaneous energy generation and feedstock production in the challenging environment. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
FullText Text:
  Availability: 0
Header DbId: enr
DbLabel: Energy & Power Source
An: 193923970
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
Items – Name: Title
  Label: Title
  Group: Ti
  Data: Pseudo‐Zero‐Gap Flow‐Type Aqueous Zn‐CO<subscript>2</subscript> Batteries.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Li%2C+Weiliang%22">Li, Weiliang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xu%2C+Guoliang%22">Xu, Guoliang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Huang%2C+Qi%22">Huang, Qi</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lu%2C+Tengda%22">Lu, Tengda</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Sheng%22">Chen, Sheng</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Qiang%22">Li, Qiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> liqiang@mail.njust.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Duan%2C+Jingjing%22">Duan, Jingjing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jingjing.duan@njust.edu.cn</i>
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  Label: Source
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  Data: <searchLink fieldCode="JN" term="%22Advanced+Energy+Materials%22">Advanced Energy Materials</searchLink>. 5/20/2026, Vol. 16 Issue 19, p1-12. 12p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Cathodes%22">Cathodes</searchLink><br />*<searchLink fieldCode="DE" term="%22Electrosynthesis%22">Electrosynthesis</searchLink><br />*<searchLink fieldCode="DE" term="%22Storage+batteries%22">Storage batteries</searchLink><br />*<searchLink fieldCode="DE" term="%22Martian+atmosphere%22">Martian atmosphere</searchLink><br />*<searchLink fieldCode="DE" term="%22Flow+batteries%22">Flow batteries</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Aqueous Zn‐CO2 batteries (AZCBs) generate electricity and convert CO2 into valuable products simultaneously, while their development is limited due to poor mass transport, low reactivity, etc. Therefore, we develop AZCBs featuring flowing CO2 gases and electrolytes, gas‐diffusion cathodes, and especially a pseudo‐zero interelectrode distance. By employing carbon‐coated bismuth oxides (Bi2O3/C) as the cathode in a pseudo‐zero‐gap AZCB, a record‐high peak power density of 67.0 mW cm−2 @current density of 117.5 mA cm−2 is achieved, together with excellent cycling performance over 600 cycles. Specifically, the near‐zero distance greatly promotes hydroxide ion transport and CO2 diffusion by establishing an enhanced concentration gradient at the reaction interface of CO2 electroreduction. Theoretical simulations further indicate preferred formate production is due to the lower energy barrier compared to the CO pathway, because of the favorable *O@Bi adsorption via the *OCHO intermediate. Significantly, the developed AZCBs operate efficiently and stably in a simulated Martian atmosphere, which is promising for future Human exploration of Mars, providing a potential solution for simultaneous energy generation and feedstock production in the challenging environment. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=193923970
RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1002/aenm.70835
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 12
        StartPage: 1
    Subjects:
      – SubjectFull: Cathodes
        Type: general
      – SubjectFull: Electrosynthesis
        Type: general
      – SubjectFull: Storage batteries
        Type: general
      – SubjectFull: Martian atmosphere
        Type: general
      – SubjectFull: Flow batteries
        Type: general
    Titles:
      – TitleFull: Pseudo‐Zero‐Gap Flow‐Type Aqueous Zn‐CO2 Batteries.
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            NameFull: Li, Weiliang
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            NameFull: Xu, Guoliang
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            NameFull: Huang, Qi
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            NameFull: Lu, Tengda
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            NameFull: Chen, Sheng
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            NameFull: Li, Qiang
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            NameFull: Duan, Jingjing
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            – D: 20
              M: 05
              Text: 5/20/2026
              Type: published
              Y: 2026
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              Value: 16146832
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              Value: 16
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              Value: 19
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            – TitleFull: Advanced Energy Materials
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