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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202207747
|2 doi
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|a pubmed24n1156.xml
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|a (DE-627)NLM347053432
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|a (NLM)36189857
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|a DE-627
|b ger
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|a eng
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|a Feng, Yangyang
|e verfasserin
|4 aut
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|a Decoupled Electrochemical Hydrazine "Splitting" via a Rechargeable Zn-Hydrazine Battery
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 23.12.2022
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|a Date Revised 23.12.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Hydrogen generation via electrochemical splitting plays an important role to achieve hydrogen economy. However, the large-scale application is highly limited by high cost and low efficiency. Herein, a new type of rechargeable Zn-hydrazine (Zn-Hz) battery is proposed and realized by a bifunctional electrocatalyst based on two separate cathodic reactions of hydrogen evolution (discharge: 2H2 O + 2e- → H2 + 2OH- ) and hydrazine oxidation (charge: 1 / 2 N 2 H 4 + 2 OH - → 1 / 2 N 2 + 2 H 2 O + 2 e - $1{\rm{/}}2\,{{\rm{N}}_2}{{\rm{H}}_4}{\bm{ + }}2{\rm{O}}{{\rm{H}}^{\bm{ - }}}{\bm{ \to }}1{\rm{/}}2\,{{\rm{N}}_2}{\bm{ + }}2{{\rm{H}}_2}{\rm{O}}{\bm{ + }}2{e^{\bm{ - }}}$ ). This Zn-Hz battery, driven by temporally decoupled electrochemical hydrazine splitting on the cathode during discharge and charge processes, can generate separated hydrogen without purification. When the highly active bifunctional cathode of 3D Mo2 C/NiC/CS is paired with Zn foil, the Zn-Hz battery can achieve efficient hydrogen generation with a low energy input of less than 0.4 V (77.2 kJ mol-1 ) and high energy efficiency of 96%. Remarkably, this battery exhibits outstanding long-term stability for 600 cycles (200 h), achieving continuous hydrogen production on demand, which presents great potential for practical application
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|a Journal Article
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|a Zn-hydrazine batteries
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|a bifunctional electrocatalysts
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|a decoupled electrochemical hydrazine splitting
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|a separate hydrogen generation
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|a Shi, Qingmei
|e verfasserin
|4 aut
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|a Lin, Jing
|e verfasserin
|4 aut
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|a Chai, Erchong
|e verfasserin
|4 aut
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|a Zhang, Xiang
|e verfasserin
|4 aut
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|a Liu, Zhenli
|e verfasserin
|4 aut
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|a Jiao, Lei
|e verfasserin
|4 aut
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|a Wang, Yaobing
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 51 vom: 20. Dez., Seite e2207747
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:34
|g year:2022
|g number:51
|g day:20
|g month:12
|g pages:e2207747
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|u http://dx.doi.org/10.1002/adma.202207747
|3 Volltext
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