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Electrospun Mn-N-C Nanofiber Electrocatalyst for the Application of Li-O2 Batteries.

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Title: Electrospun Mn-N-C Nanofiber Electrocatalyst for the Application of Li-O2 Batteries.
Authors: Li, Zhuxin1 (AUTHOR), Yu, Hongquan2 (AUTHOR), Ma, Kai1 (AUTHOR), Shu, Qingzhu1 (AUTHOR), Zhang, Yong1 (AUTHOR), Liu, Shuhong1 (AUTHOR), Li, Xufeng1 (AUTHOR), Ge, Jing1 (AUTHOR), Gao, Yunlong1 (AUTHOR), Zhao, Hong1 (AUTHOR) Zhaohong@djtu.edu.cn
Source: Journal of Electronic Materials. Jul2025, Vol. 54 Issue 7, p5348-5355. 8p.
Subjects: Manganese acetate, Physical & theoretical chemistry, Lithium-air batteries, Oxygen reduction, Heat treatment, Polyacrylonitriles
Abstract: A series of Mn-N-C catalysts were fabricated by integrating electrospinning technology with subsequent heat treatment at 700°C, 800°C, and 900°C, using manganese acetate (Mn(OAc)2) and polyacrylonitrile (PAN) as the main raw materials. Under various calcination temperature conditions, all the Mn-N-C catalysts presented a nanowire morphology with a diameter of approximately 300 nm. A series of electrochemical performance tests for Li-O2 batteries were carried out on the Mn-N-C catalysts. The results showed that all the Mn-N-C catalysts demonstrated good oxygen reduction reaction (ORR) activity. Among them, the Mn-800 catalyst had the lowest overpotential (1.5 V) and superior cycling performance (more than 150 cycles at 1000 mA g−1). This outcome implies that the Mn-800 catalyst holds significant potential in enhancing battery performance and prolonging battery lifespan, offering novel ideas and approaches for developing high-performance Li-O2 batteries. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Electronic Materials is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Electrospun Mn-N-C Nanofiber Electrocatalyst for the Application of Li-O<subscript>2</subscript> Batteries.
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  Data: <searchLink fieldCode="AR" term="%22Li%2C+Zhuxin%22">Li, Zhuxin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yu%2C+Hongquan%22">Yu, Hongquan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ma%2C+Kai%22">Ma, Kai</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shu%2C+Qingzhu%22">Shu, Qingzhu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Yong%22">Zhang, Yong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Shuhong%22">Liu, Shuhong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Xufeng%22">Li, Xufeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ge%2C+Jing%22">Ge, Jing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gao%2C+Yunlong%22">Gao, Yunlong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Hong%22">Zhao, Hong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> Zhaohong@djtu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Electronic+Materials%22">Journal of Electronic Materials</searchLink>. Jul2025, Vol. 54 Issue 7, p5348-5355. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Manganese+acetate%22">Manganese acetate</searchLink><br /><searchLink fieldCode="DE" term="%22Physical+%26+theoretical+chemistry%22">Physical & theoretical chemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Lithium-air+batteries%22">Lithium-air batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Oxygen+reduction%22">Oxygen reduction</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+treatment%22">Heat treatment</searchLink><br /><searchLink fieldCode="DE" term="%22Polyacrylonitriles%22">Polyacrylonitriles</searchLink>
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  Data: A series of Mn-N-C catalysts were fabricated by integrating electrospinning technology with subsequent heat treatment at 700°C, 800°C, and 900°C, using manganese acetate (Mn(OAc)2) and polyacrylonitrile (PAN) as the main raw materials. Under various calcination temperature conditions, all the Mn-N-C catalysts presented a nanowire morphology with a diameter of approximately 300 nm. A series of electrochemical performance tests for Li-O2 batteries were carried out on the Mn-N-C catalysts. The results showed that all the Mn-N-C catalysts demonstrated good oxygen reduction reaction (ORR) activity. Among them, the Mn-800 catalyst had the lowest overpotential (1.5 V) and superior cycling performance (more than 150 cycles at 1000 mA g−1). This outcome implies that the Mn-800 catalyst holds significant potential in enhancing battery performance and prolonging battery lifespan, offering novel ideas and approaches for developing high-performance Li-O2 batteries. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Electronic Materials is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11664-025-11955-y
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      – Code: eng
        Text: English
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        StartPage: 5348
    Subjects:
      – SubjectFull: Manganese acetate
        Type: general
      – SubjectFull: Physical & theoretical chemistry
        Type: general
      – SubjectFull: Lithium-air batteries
        Type: general
      – SubjectFull: Oxygen reduction
        Type: general
      – SubjectFull: Heat treatment
        Type: general
      – SubjectFull: Polyacrylonitriles
        Type: general
    Titles:
      – TitleFull: Electrospun Mn-N-C Nanofiber Electrocatalyst for the Application of Li-O2 Batteries.
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            NameFull: Li, Zhuxin
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            NameFull: Yu, Hongquan
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            NameFull: Ma, Kai
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            – D: 01
              M: 07
              Text: Jul2025
              Type: published
              Y: 2025
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