Spinel LiMn<sub<2</sub<O<sub<4</sub< as Electrocatalyst toward Solid-State Zinc–Air Batteries

Efficient oxygen reduction reaction (ORR) electrocatalysts are the key to advancement of solid-state alkaline zinc–air batteries (ZAB). We demonstrate an electrocatalyst, spinel lithium-manganese oxide LiMn<sub<2</sub<O<sub<4</sub< (LMO) by a simple hydrothermal method. Scann...
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Gespeichert in:

Autor*in:	Guoqing Zhang [verfasserIn] Peng Zhang [verfasserIn] Shuying Kong [verfasserIn] Binbin Jin [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	electrocatalyst oxygen reduction reaction air electrode electrocatalytic activity solid-state zinc–air cell

Übergeordnetes Werk:	In: Catalysts - MDPI AG, 2012, 13(2023), 5, p 860
Übergeordnetes Werk:	volume:13 ; year:2023 ; number:5, p 860

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/catal13050860

Katalog-ID:	DOAJ094403856

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allfieldsGer	10.3390/catal13050860 doi (DE-627)DOAJ094403856 (DE-599)DOAJ25de57e510c344b7bcd6bc4944181131 DE-627 ger DE-627 rakwb eng TP1-1185 QD1-999 Guoqing Zhang verfasserin aut Spinel LiMn<sub<2</sub<O<sub<4</sub< as Electrocatalyst toward Solid-State Zinc–Air Batteries 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Efficient oxygen reduction reaction (ORR) electrocatalysts are the key to advancement of solid-state alkaline zinc–air batteries (ZAB). We demonstrate an electrocatalyst, spinel lithium-manganese oxide LiMn<sub<2</sub<O<sub<4</sub< (LMO) by a simple hydrothermal method. Scanning electron microscope (SEM), X-ray diffraction (XRD), and Raman spectra indicate that the as-synthesized LiMn<sub<2</sub<O<sub<4</sub< presents nanoscale irregular-shaped particles with the well-known spinel structure. The polarization curve, chronoamperometery curve, and linear scanning voltammograms of rotating disk electrode (RDE) results reveal that the as-synthesized LiMn<sub<2</sub<O<sub<4</sub< possesses a higher electrocatalytic activity than that of electrolytic manganese dioxide for the ORR. A solid-state zinc–air cell with LiMn<sub<2</sub<O<sub<4</sub< as the air electrode catalyst has a long voltage plateau of discharge and a discharge capacity of 188.4 mAh at a constant discharge current density of 10 mA·cm<sup<−2</sup<. In summary, spinel LiMn<sub<2</sub<O<sub<4</sub< in which the JT effect enables electron hoping between Mn<sup<3+</sup< and Mn<sup<4+</sup< can be regarded as an effective robust oxygen reduction catalyst. electrocatalyst oxygen reduction reaction air electrode electrocatalytic activity solid-state zinc–air cell Chemical technology Chemistry Peng Zhang verfasserin aut Shuying Kong verfasserin aut Binbin Jin verfasserin aut In Catalysts MDPI AG, 2012 13(2023), 5, p 860 (DE-627)71862646X (DE-600)2662126-5 20734344 nnns volume:13 year:2023 number:5, p 860 https://doi.org/10.3390/catal13050860 kostenfrei https://doaj.org/article/25de57e510c344b7bcd6bc4944181131 kostenfrei https://www.mdpi.com/2073-4344/13/5/860 kostenfrei https://doaj.org/toc/2073-4344 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2023 5, p 860
allfieldsSound	10.3390/catal13050860 doi (DE-627)DOAJ094403856 (DE-599)DOAJ25de57e510c344b7bcd6bc4944181131 DE-627 ger DE-627 rakwb eng TP1-1185 QD1-999 Guoqing Zhang verfasserin aut Spinel LiMn<sub<2</sub<O<sub<4</sub< as Electrocatalyst toward Solid-State Zinc–Air Batteries 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Efficient oxygen reduction reaction (ORR) electrocatalysts are the key to advancement of solid-state alkaline zinc–air batteries (ZAB). We demonstrate an electrocatalyst, spinel lithium-manganese oxide LiMn<sub<2</sub<O<sub<4</sub< (LMO) by a simple hydrothermal method. Scanning electron microscope (SEM), X-ray diffraction (XRD), and Raman spectra indicate that the as-synthesized LiMn<sub<2</sub<O<sub<4</sub< presents nanoscale irregular-shaped particles with the well-known spinel structure. The polarization curve, chronoamperometery curve, and linear scanning voltammograms of rotating disk electrode (RDE) results reveal that the as-synthesized LiMn<sub<2</sub<O<sub<4</sub< possesses a higher electrocatalytic activity than that of electrolytic manganese dioxide for the ORR. A solid-state zinc–air cell with LiMn<sub<2</sub<O<sub<4</sub< as the air electrode catalyst has a long voltage plateau of discharge and a discharge capacity of 188.4 mAh at a constant discharge current density of 10 mA·cm<sup<−2</sup<. In summary, spinel LiMn<sub<2</sub<O<sub<4</sub< in which the JT effect enables electron hoping between Mn<sup<3+</sup< and Mn<sup<4+</sup< can be regarded as an effective robust oxygen reduction catalyst. electrocatalyst oxygen reduction reaction air electrode electrocatalytic activity solid-state zinc–air cell Chemical technology Chemistry Peng Zhang verfasserin aut Shuying Kong verfasserin aut Binbin Jin verfasserin aut In Catalysts MDPI AG, 2012 13(2023), 5, p 860 (DE-627)71862646X (DE-600)2662126-5 20734344 nnns volume:13 year:2023 number:5, p 860 https://doi.org/10.3390/catal13050860 kostenfrei https://doaj.org/article/25de57e510c344b7bcd6bc4944181131 kostenfrei https://www.mdpi.com/2073-4344/13/5/860 kostenfrei https://doaj.org/toc/2073-4344 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2023 5, p 860
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callnumber-first	T - Technology
author	Guoqing Zhang
spellingShingle	Guoqing Zhang misc TP1-1185 misc QD1-999 misc electrocatalyst misc oxygen reduction reaction misc air electrode misc electrocatalytic activity misc solid-state zinc–air cell misc Chemical technology misc Chemistry Spinel LiMn<sub<2</sub<O<sub<4</sub< as Electrocatalyst toward Solid-State Zinc–Air Batteries
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topic_title	TP1-1185 QD1-999 Spinel LiMn<sub<2</sub<O<sub<4</sub< as Electrocatalyst toward Solid-State Zinc–Air Batteries electrocatalyst oxygen reduction reaction air electrode electrocatalytic activity solid-state zinc–air cell
topic	misc TP1-1185 misc QD1-999 misc electrocatalyst misc oxygen reduction reaction misc air electrode misc electrocatalytic activity misc solid-state zinc–air cell misc Chemical technology misc Chemistry
topic_unstemmed	misc TP1-1185 misc QD1-999 misc electrocatalyst misc oxygen reduction reaction misc air electrode misc electrocatalytic activity misc solid-state zinc–air cell misc Chemical technology misc Chemistry
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title	Spinel LiMn<sub<2</sub<O<sub<4</sub< as Electrocatalyst toward Solid-State Zinc–Air Batteries
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title_full	Spinel LiMn<sub<2</sub<O<sub<4</sub< as Electrocatalyst toward Solid-State Zinc–Air Batteries
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journal	Catalysts
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title_sort	spinel limn<sub<2</sub<o<sub<4</sub< as electrocatalyst toward solid-state zinc–air batteries
callnumber	TP1-1185
title_auth	Spinel LiMn<sub<2</sub<O<sub<4</sub< as Electrocatalyst toward Solid-State Zinc–Air Batteries
abstract	Efficient oxygen reduction reaction (ORR) electrocatalysts are the key to advancement of solid-state alkaline zinc–air batteries (ZAB). We demonstrate an electrocatalyst, spinel lithium-manganese oxide LiMn<sub<2</sub<O<sub<4</sub< (LMO) by a simple hydrothermal method. Scanning electron microscope (SEM), X-ray diffraction (XRD), and Raman spectra indicate that the as-synthesized LiMn<sub<2</sub<O<sub<4</sub< presents nanoscale irregular-shaped particles with the well-known spinel structure. The polarization curve, chronoamperometery curve, and linear scanning voltammograms of rotating disk electrode (RDE) results reveal that the as-synthesized LiMn<sub<2</sub<O<sub<4</sub< possesses a higher electrocatalytic activity than that of electrolytic manganese dioxide for the ORR. A solid-state zinc–air cell with LiMn<sub<2</sub<O<sub<4</sub< as the air electrode catalyst has a long voltage plateau of discharge and a discharge capacity of 188.4 mAh at a constant discharge current density of 10 mA·cm<sup<−2</sup<. In summary, spinel LiMn<sub<2</sub<O<sub<4</sub< in which the JT effect enables electron hoping between Mn<sup<3+</sup< and Mn<sup<4+</sup< can be regarded as an effective robust oxygen reduction catalyst.
abstractGer	Efficient oxygen reduction reaction (ORR) electrocatalysts are the key to advancement of solid-state alkaline zinc–air batteries (ZAB). We demonstrate an electrocatalyst, spinel lithium-manganese oxide LiMn<sub<2</sub<O<sub<4</sub< (LMO) by a simple hydrothermal method. Scanning electron microscope (SEM), X-ray diffraction (XRD), and Raman spectra indicate that the as-synthesized LiMn<sub<2</sub<O<sub<4</sub< presents nanoscale irregular-shaped particles with the well-known spinel structure. The polarization curve, chronoamperometery curve, and linear scanning voltammograms of rotating disk electrode (RDE) results reveal that the as-synthesized LiMn<sub<2</sub<O<sub<4</sub< possesses a higher electrocatalytic activity than that of electrolytic manganese dioxide for the ORR. A solid-state zinc–air cell with LiMn<sub<2</sub<O<sub<4</sub< as the air electrode catalyst has a long voltage plateau of discharge and a discharge capacity of 188.4 mAh at a constant discharge current density of 10 mA·cm<sup<−2</sup<. In summary, spinel LiMn<sub<2</sub<O<sub<4</sub< in which the JT effect enables electron hoping between Mn<sup<3+</sup< and Mn<sup<4+</sup< can be regarded as an effective robust oxygen reduction catalyst.
abstract_unstemmed	Efficient oxygen reduction reaction (ORR) electrocatalysts are the key to advancement of solid-state alkaline zinc–air batteries (ZAB). We demonstrate an electrocatalyst, spinel lithium-manganese oxide LiMn<sub<2</sub<O<sub<4</sub< (LMO) by a simple hydrothermal method. Scanning electron microscope (SEM), X-ray diffraction (XRD), and Raman spectra indicate that the as-synthesized LiMn<sub<2</sub<O<sub<4</sub< presents nanoscale irregular-shaped particles with the well-known spinel structure. The polarization curve, chronoamperometery curve, and linear scanning voltammograms of rotating disk electrode (RDE) results reveal that the as-synthesized LiMn<sub<2</sub<O<sub<4</sub< possesses a higher electrocatalytic activity than that of electrolytic manganese dioxide for the ORR. A solid-state zinc–air cell with LiMn<sub<2</sub<O<sub<4</sub< as the air electrode catalyst has a long voltage plateau of discharge and a discharge capacity of 188.4 mAh at a constant discharge current density of 10 mA·cm<sup<−2</sup<. In summary, spinel LiMn<sub<2</sub<O<sub<4</sub< in which the JT effect enables electron hoping between Mn<sup<3+</sup< and Mn<sup<4+</sup< can be regarded as an effective robust oxygen reduction catalyst.
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title_short	Spinel LiMn<sub<2</sub<O<sub<4</sub< as Electrocatalyst toward Solid-State Zinc–Air Batteries
url	https://doi.org/10.3390/catal13050860 https://doaj.org/article/25de57e510c344b7bcd6bc4944181131 https://www.mdpi.com/2073-4344/13/5/860 https://doaj.org/toc/2073-4344
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up_date	2024-07-03T22:58:18.293Z
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We demonstrate an electrocatalyst, spinel lithium-manganese oxide LiMn<sub<2</sub<O<sub<4</sub< (LMO) by a simple hydrothermal method. Scanning electron microscope (SEM), X-ray diffraction (XRD), and Raman spectra indicate that the as-synthesized LiMn<sub<2</sub<O<sub<4</sub< presents nanoscale irregular-shaped particles with the well-known spinel structure. The polarization curve, chronoamperometery curve, and linear scanning voltammograms of rotating disk electrode (RDE) results reveal that the as-synthesized LiMn<sub<2</sub<O<sub<4</sub< possesses a higher electrocatalytic activity than that of electrolytic manganese dioxide for the ORR. A solid-state zinc–air cell with LiMn<sub<2</sub<O<sub<4</sub< as the air electrode catalyst has a long voltage plateau of discharge and a discharge capacity of 188.4 mAh at a constant discharge current density of 10 mA·cm<sup<−2</sup<. 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Spinel LiMn<sub<2</sub<O<sub<4</sub< as Electrocatalyst toward Solid-State Zinc–Air Batteries

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