Fabrication of cobaltous telluride and carbon composite as a promising carrier for boosting electro oxidation of ethylene glycol on palladium in alkaline medium

Ren, Fangfang; Zhang, Zhiqing; Liang, Zheng-Yun; Shen, Yide; Wang, Xiaomei; Chen, Qiuxiang; Du, Yukou

doi:10.1016/j.jcis.2022.02.064

Cited by 19 publications

(9 citation statements)

References 62 publications

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“…In addition, CoTe/NC also shows distinct diffraction peaks at 31.3, 43.0, 46.6, 58.3, and 65.3°, which are attributed to the (101), (102), (110), (103), and (202) crystal planes of CoTe (PDF #34-0420) . The successful synthesis of CoTe on nickel foam was confirmed . For RuSe 2 /NF, diffraction peaks appear at 30.1, 33.8, 37.1, 43.1, 51.0, 55.8, and 58.1°, respectively, which correspond to the (200), (210), (211), (220), (311), (023), and (321) crystal planes .…”

Section: Resultsmentioning

confidence: 76%

“…The characteristic peak located at 399.3 eV is from the cackling acid N (Figure b). Nitrogen-containing substances are known to strengthen the interreaction between carrier and metal NPs, improve the electrical conductivity of carbon materials, and contribute to improved material performance . The XPS pattern in Figure c shows that the Co 2p 3/2 of RuSe 2 –CoTe/NC produces a positive shift of 0.6 eV compared to CoTe/NC, which means that the electron density around the Co atom becomes lower due to the interfacial interaction .…”

Section: Resultsmentioning

confidence: 99%

“…Nitrogen-containing substances are known to strengthen the interreaction between carrier and metal NPs, improve the electrical conductivity of carbon materials, and contribute to improved material performance. 39 The XPS pattern in Figure 5c shows that the Co 2p 3/2 of RuSe 2 −CoTe/NC produces a positive shift of 0.6 eV compared to CoTe/NC, which means that the electron density around the Co atom becomes lower due to the interfacial interaction. 43 In addition, in the Ru 3p highresolution spectrum shown in Figure 5d, Ru 3p 3/2 of RuSe 2 − CoTe/NC shows a significant negative shift (0.6 eV) compared to RuSe 2 /NF, which again confirms that electrons are transferred from the CoTe interface to the RuSe 2 interface and that the CoTe introduction successfully modulates the electronic structure of the Ru atom.…”

Section: ■ Introductionmentioning

confidence: 98%

“…38 The successful synthesis of CoTe on nickel foam was confirmed. 39 For RuSe 2 /NF, diffraction peaks appear at 30.1, 33.8, 37.1, 43.1, 51.0, 55.8, and 58.1°, respectively, which correspond to the (200), ( 210), ( 211), ( 220), (311), (023), and (321) crystal planes. 40 Notably, the XRD of RuSe 2 −CoTe/NC exhibited all of the diffraction peaks of RuSe 2 and CoTe, which confirmed the successful synthesis of RuSe 2 −CoTe/NC.…”

Section: ■ Introductionmentioning

confidence: 98%

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RuSe₂–CoTe Heterogeneous Surfaces Coated with NC Layer for Excellent HER Performance under Alkaline Condition

Fu,

Li,

Shi

et al. 2023

Langmuir

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Electrocatalytic hydrogen production has been a promising high-purity hydrogen production technology, attracting a large number of researchers' research interest. Ru has a hydrogen binding capacity similar to Pt, but its price is far lower than Pt, making it a promising alternative to Pt. However, a single Se electronic structure modulation is not sufficient to enable RuSe 2 to be used for practical applications on a large scale due to the lack of electrons. Therefore, choosing a suitable way to electronically modulate the Ru atoms in RuSe 2 can effectively improve the activity of the catalyst. Cobalt telluride (CoTe) can significantly enhance electrocatalytic performance due to tellurium's low electronegativity and excellent metal properties. In this work, the NC layer possesses excellent electrical conductivity and CoTe acts as an electron donor to optimize the electronic structure locally and trigger electron transfer efficiently. The RuSe 2 −CoTe/NC electrode requires an overpotential of only 25.4 mV (10 mA cm −2 ), which is superior to that of RuSe 2 /NF (65 mV) and CoTe/NC (115 mV). Meanwhile, the Tafel slope of RuSe 2 −CoTe/NC (67.8 mV dec −1 ) was better than that of RuSe 2 /NF (113.6 mV dec −1 ) and CoTe/NC (209.5 mV dec −1 ), showing that the build-up of the superior heterojunction makes the RuSe 2 −CoTe/NC with better hydrogen evolution reaction (HER) reaction kinetics. In addition, after 30 h of long-term stability testing, no significant decrease in catalytic activity was observed, proving the good stability of the RuSe 2 −CoTe/NC catalyst.

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Section: Resultsmentioning

confidence: 76%

Section: Resultsmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 98%

Section: ■ Introductionmentioning

confidence: 98%

See 2 more Smart Citations

RuSe₂–CoTe Heterogeneous Surfaces Coated with NC Layer for Excellent HER Performance under Alkaline Condition

Fu,

Li,

Shi

et al. 2023

Langmuir

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“…Exploring alternative means of generating electricity without efficient energy storage systems is futile. Among the various energy storage technologies, such as fuel cells, [15][16][17] conventional capacitors, [18] batteries, [19] and supercapacitors (SCs) are considered the most promising options. [20][21][22][23][24][25][26][27][28][29][30] In contrast to batteries, SCs demonstrate superior power density, durability, charging rate, and eco-friendliness.…”

Section: Introductionmentioning

confidence: 99%

Telluride‐Based Materials: A Promising Route for High Performance Supercapacitors

Khan,

Sajjad,

Khan

et al. 2023

The Chemical Record

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As supercapacitor (SC) technology continues to evolve, there is a growing need for electrode materials with high energy/power densities and cycling stability. However, research and development of electrode materials with such characteristics is essential for commercialization the SC. To meet this demand, the development of superior electrode materials has become an increasingly critical step. The electrochemical performance of SCs is greatly influenced by various factors such as the reaction mechanism, crystal structure, and kinetics of electron/ion transfer in the electrodes, which have been challenging to address using previously investigated electrode materials like carbon and metal oxides/sulfides. Recently, tellurium and telluride‐based materials have garnered increasing interest in energy storage technology owing to their high electronic conductivity, favorable crystal structure, and excellent volumetric capacity. This review provides a comprehensive understanding of the fundamental properties and energy storage performance of tellurium‐ and Te‐based materials by introducing their physicochemical properties. First, we elaborate on the significance of tellurides. Next, the charge storage mechanism of functional telluride materials and important synthesis strategies are summarized. Then, research advancements in metal and carbon‐based telluride materials, as well as the effectiveness of tellurides for SCs, were analyzed by emphasizing their essential properties and extensive advantages. Finally, the remaining challenges and prospects for improving the telluride‐based supercapacitive performance are outlined.

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Inspiration of Bimetallic Peroxide for Controllable Electrooxidizing Ethylene Glycol Through Modulating Surficial Intermediates

Lin,

Chen,

Ren

et al. 2024

Adv Funct Materials

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Biomass feedstock ethylene glycol (EG) can be anodically oxidized to the high‐value glycolic acid (GA), which is widely considered as one critical raw material of biodegradable plastics. Developing low‐cost electrocatalyst to economically produce GA with high selectivity still meeting challenges. Herein, a non‐precious Co‐Ni bimetal catalysts are developed for controllable electrooxidizing EG to GA (EGOR). Through regulating the generation of key intermediate (CH2OH‐CO*) on the low‐cost catalyst surface, a successive electrooxidation from EG to GA has been achieved with high selective (96.3%) and conversion rate (>85%) at current density of 150 mA cm−2, which is on par with the reported precious metal catalysts. Through coupling with hydrogen evolution reaction (EGOR‐HER), 2.759 mmol H2 and 7.48 mmol of GA are generated at 80 mA cm−2, which also can save 27% energy comparing with a water splitting system. The synergistic effect between Co and Ni in the bimetallic catalyst has been exploited: high‐valent CoOOH sites catalyzed the generation of CH2OH‐CO* and reduce the energy barrier during GA formation; Whereas, Ni sites can effectively facilitate the formation of CoOOH and improve the adsorption of EG.

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Fabrication of cobaltous telluride and carbon composite as a promising carrier for boosting electro oxidation of ethylene glycol on palladium in alkaline medium

Cited by 19 publications

References 62 publications

RuSe₂–CoTe Heterogeneous Surfaces Coated with NC Layer for Excellent HER Performance under Alkaline Condition

RuSe₂–CoTe Heterogeneous Surfaces Coated with NC Layer for Excellent HER Performance under Alkaline Condition

Telluride‐Based Materials: A Promising Route for High Performance Supercapacitors

Inspiration of Bimetallic Peroxide for Controllable Electrooxidizing Ethylene Glycol Through Modulating Surficial Intermediates

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Fabrication of cobaltous telluride and carbon composite as a promising carrier for boosting electro oxidation of ethylene glycol on palladium in alkaline medium

Cited by 19 publications

References 62 publications

RuSe2–CoTe Heterogeneous Surfaces Coated with NC Layer for Excellent HER Performance under Alkaline Condition

RuSe2–CoTe Heterogeneous Surfaces Coated with NC Layer for Excellent HER Performance under Alkaline Condition

Telluride‐Based Materials: A Promising Route for High Performance Supercapacitors

Inspiration of Bimetallic Peroxide for Controllable Electrooxidizing Ethylene Glycol Through Modulating Surficial Intermediates

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Product

Resources

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RuSe₂–CoTe Heterogeneous Surfaces Coated with NC Layer for Excellent HER Performance under Alkaline Condition

RuSe₂–CoTe Heterogeneous Surfaces Coated with NC Layer for Excellent HER Performance under Alkaline Condition