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Metal phosphonate-derived cobalt/nickel phosphide@N-doped carbon hybrids as efficient bifunctional oxygen

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 9,   Pages 1367-1376 doi: 10.1007/s11705-022-2153-3

Abstract: Herein, a novel metal phosphonate-derived cobalt/nickel phosphide@N-doped carbon hybrid was developedby a carbothermal reduction of cobalt/nickel phosphonate hybrids with different Co/Ni molar ratios.

Keywords： metal phosphonate     cobalt/nickel phosphide     N-doped carbon     oxygen electrochemistry     Zn−air battery    

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Hierarchically porous cellulose nanofibril aerogel decorated with polypyrrole and nickel-cobalt layered

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1593-1607 doi: 10.1007/s11705-023-2348-2

Abstract: aerogel is utilized as a substrate to integrate highly conductive polypyrrole and active nanoflower-like nickel-cobalt

Keywords： cellulose nanofibril     aerogel     nickel-cobalt layered double hydroxide     polypyrrole     nonenzymatic glucose    

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Phosphorus-doped Ni–Co sulfides connected by carbon nanotubes for flexible hybrid supercapacitor

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 491-503 doi: 10.1007/s11705-022-2257-9

Abstract: As promising electrode materials for supercapacitors, nickel-cobalt bimetallic sulfides render the advantagesHerein, we rationally regulate phosphorus-doped nickel–cobalt sulfides (P-NCS) to enhance the electrochemical

Keywords： cobalt nickel sulfide     phosphorus-doping     hybrid supercapacitor     carbon nanotube     density functional    

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Synthesis, characterization and hydrotreating performance of supported tungsten phosphide catalysts

SUN Guida, LI Cuiqing, ZHOU Zhijun, LI Fengyan

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 2,   Pages 155-164 doi: 10.1007/s11705-008-0038-8

Abstract: Supported tungsten phosphide catalysts were prepared by temperature-programmed reduction of their precursors

Keywords： tungsten phosphide     differential thermal     catalyst surface     industrial NiW/-AlO     general    

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Self-supported transition metal phosphide based electrodes as high-efficient water splitting cathodes

Yan Zhang, Jian Xiao, Qiying Lv, Shuai Wang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 494-508 doi: 10.1007/s11705-018-1732-9

Abstract:

Electrolytic water splitting has been considered as a promising technology to produce highly pure H2 by using electrical power produced from wind, solar energy or other fitful renewable energy resources. Combining novel self-supporting structure and high-performance transition metal phosphides (TMP) shows substantial promise for practical application in water splitting. In this review, we try to provide a comprehensive analysis of the design and fabrication of various self-supported TMP electrodes for hydrogen evolution reaction, which are divided into three categories: catalysts growing on carbon-based substrates, catalysts growing on metal-based substrates and freestanding catalyst films. The material structures together with catalytic performances of self-supported electrodes are presented and discussed. We also show the specific strategies to further improve the catalytic performance by elemental doping or incorporation of nanocarbons. The simple and one-step methods to fabricate self-supported TMP electrodes are also highlighted. Finally, the challenges and perspectives for self-supported TMP electrodes in water splitting application are briefly discussed.

Keywords： transition metal phosphide     self-supported electrode     electrocatalysis     hydrogen evolution reaction    

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Synthesis and electrocatalytic property of cubic and spherical nanoparticles of cobalt platinum alloys

Xiaowei TENG, Hong YANG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 1,   Pages 45-51 doi: 10.1007/s11705-009-0308-0

Abstract: Both cubic and spherical CoPt nanoparticles were made using cobalt carbonyl and platinum 2,4-pentanedionateEffects of heterogeneous species on shape of the CoPt nanoparticles were examined by replacing cobaltthat the formation of different shapes of CoPt particles could be attributed to the affinity between cobalt

Keywords： spherical     2     4-pentanedionate     adamantanecarboxylic     acetylacetonate     electrocatalytic    

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Cobalt nanoparticle decorated N-doped carbons derived from a cobalt covalent organic framework for oxygen

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1550-1560 doi: 10.1007/s11705-021-2104-4

Abstract: In this work, cobalt nanoparticle decorated N-doped carbons (Co@NC) are synthesized by the pyrolysisof a cobalt covalent organic framework under an inert atmosphere.compared to N-doped carbon without the addition of Co nanoparticles, indicating the important role of cobalt

Keywords： cobalt embedment     N-doped carbons     covalent organic framework     oxygen reduction     Zn-air battery    

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Enhanced electrochemical performance of CoNiS@TiCT electrode material through doping of cobalt element

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1440-1449 doi: 10.1007/s11705-023-2333-9

Abstract: was successfully prepared using a one-step hydrothermal method under the in-situ doping of the cobaltThe effects of in-situ doping of the cobalt element on the micromorphology and electrochemicalAfter in-situ doping of the cobalt element, NiS with a needle-like structure was converted intoThis result indicated that the in-situ doping of the cobalt element promoted the electrochemicalThe energy density of the CoNiSx@Ti3C2Tx/nickel

Keywords： MXene     supercapacitor     cobalt doping     structure characterization     electrochemical performance    

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A potentiometric cobalt-based phosphate sensor based on screen-printing technology

Lei ZHU,Xiaohong ZHOU,Hanchang SHI

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 945-951 doi: 10.1007/s11783-013-0615-z

Abstract: A potentiometric cobalt-based screen-printing sensor was fabricated by electroplating cobalt on the surfaceThe cobalt-based phosphate sensor showed a phosphate-selective potential response in the range of 10

Keywords： phosphate     cobalt     screen-printing technology     electroplate     wastewater    

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Room temperature oxidation of acetone by ozone over alumina-supported manganese and cobalt mixed oxides

Mehraneh Ghavami, Mostafa Aghbolaghy, Jafar Soltan, Ning Chen

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 937-947 doi: 10.1007/s11705-019-1900-6

Abstract: In this study, a series of alumina supported single and mixed manganese and cobalt oxides catalysts wereThe manganese and cobalt single and mixed oxides catalysts of the formula Mn10%-CoX and Co10%-MnX (where

Keywords： ozone     VOC     manganese oxides     cobalt oxides     alumina support    

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Noble-metal-free cobalt hydroxide nanosheets for efficient electrocatalytic oxidation

Jie Lan, Daizong Qi, Jie Song, Peng Liu, Yi Liu, Yun-Xiang Pan

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 948-955 doi: 10.1007/s11705-020-1920-2

Abstract: Cobalt hydroxide has been emerging as a promising catalyst for the electrocatalytic oxidation reactionsHerein, we prepared cobalt hydroxide nanoparticles (CoHP) and cobalt hydroxide nanosheets (CoHS) on nickel

Keywords： electrocatalytic oxidation     cobalt hydroxide     nanosheet     water     glucose    

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Fischer-Tropsch synthesis by reduced graphene oxide nanosheets supported cobalt catalysts: Role of support

Hasan Oliaei Torshizi, Ali Nakhaei Pour, Ali Mohammadi, Yahya Zamani, Seyed Mehdi Kamali Shahri

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 299-309 doi: 10.1007/s11705-020-1925-x

Abstract: In this paper, a series of cobalt catalysts supported on reduced graphene oxide (rGO) nanosheets withThe results showed that with increasing the cobalt loading on the rGO support, the carbon defects areincreased and as a consequence, the reduction of cobalt is decreased.The FTS activity results showed that the cobalt-time yield and turnover frequency passed from a maximumthat the methane selectivity decreases, whereas the C selectivity raises with the increasing of the cobalt

Keywords： cobalt catalyst     cobalt particle size     Fischer-Tropsch synthesis     reduced graphene oxide     supported catalyst    

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Activated carbon induced oxygen vacancies-engineered nickel ferrite with enhanced conductivity for supercapacitor

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2088-2100 doi: 10.1007/s11705-023-2352-6

Abstract: Activated carbon induced oxygen vacancies-engineered nickel ferrite with enhanced conductivity for supercapacitor

Keywords： nickel ferrite conductivity     carbon oxygen vacancies    

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Enabling nickel ferrocyanide nanoparticles for high-performance ammonium ion storage

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 226-235 doi: 10.1007/s11705-022-2198-3

Abstract: Prussian blue and its analogs are extensively investigated as a cathode for ammonium-ion batteries. However, they often suffer from poor electronic conductivity. Here, we report a Ni2Fe(CN)6/multiwalled carbon nanotube composite electrode material, which is prepared using a simple coprecipitation approach. The obtained material consists of nanoparticles with sizes 30–50 nm and the multiwalled carbon nanotube embedded in it. The existence of multiwalled carbon nanotube ensures that the Ni2Fe(CN)6/multiwalled carbon nanotube composite shows excellent electrochemical performance, achieving a discharge capacity of 55.1 mAh·g–1 at 1 C and 43.2 mAh·g–1 even at 15 C. An increase in the ammonium-ion diffusion coefficient and ionic/electron conductivity based on kinetic investigations accounts for their high performance. Furthermore, detailed ex situ characterizations demonstrate that Ni2Fe(CN)6/multiwalled carbon nanotube composite offers three advantages: negligible lattice expansion during cycling, stable structure, and the reversible redox couple. Therefore, the Ni2Fe(CN)6/multiwalled carbon nanotube composite presents a long cycling life and high rate capacity. Finally, our study reports a desirable material for ammonium-ion batteries and provides a practical approach for improving the electrochemical performance of Prussian blue and its analogs.

Keywords： nickel ferrocyanides     NH4+     electrochemistry     Prussian blue     aqueous ammonium ion    

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Molybdenum disulfide@nickel phyllosilicate hybrid for improving the flame retardancy and wear resistance

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2114-2126 doi: 10.1007/s11705-023-2357-1

Abstract: In this study, nickel phyllosilicate was synthesized based on molybdenum disulfide (MoS2@NiPS

Keywords： molybdenum disulfide     nickel phyllosilicate     epoxy resin     flame retardancy    

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Title Author Date Type Operation

Metal phosphonate-derived cobalt/nickel phosphide@N-doped carbon hybrids as efficient bifunctional oxygen

Journal Article

Hierarchically porous cellulose nanofibril aerogel decorated with polypyrrole and nickel-cobalt layered

Journal Article

Phosphorus-doped Ni–Co sulfides connected by carbon nanotubes for flexible hybrid supercapacitor

Journal Article

Synthesis, characterization and hydrotreating performance of supported tungsten phosphide catalysts

SUN Guida, LI Cuiqing, ZHOU Zhijun, LI Fengyan

Journal Article

Self-supported transition metal phosphide based electrodes as high-efficient water splitting cathodes

Yan Zhang, Jian Xiao, Qiying Lv, Shuai Wang

Journal Article

Synthesis and electrocatalytic property of cubic and spherical nanoparticles of cobalt platinum alloys

Xiaowei TENG, Hong YANG,

Journal Article

Cobalt nanoparticle decorated N-doped carbons derived from a cobalt covalent organic framework for oxygen

Journal Article

Enhanced electrochemical performance of CoNiS@TiCT electrode material through doping of cobalt element

Journal Article

A potentiometric cobalt-based phosphate sensor based on screen-printing technology

Lei ZHU,Xiaohong ZHOU,Hanchang SHI

Journal Article

Room temperature oxidation of acetone by ozone over alumina-supported manganese and cobalt mixed oxides

Mehraneh Ghavami, Mostafa Aghbolaghy, Jafar Soltan, Ning Chen

Journal Article

Noble-metal-free cobalt hydroxide nanosheets for efficient electrocatalytic oxidation

Jie Lan, Daizong Qi, Jie Song, Peng Liu, Yi Liu, Yun-Xiang Pan

Journal Article

Fischer-Tropsch synthesis by reduced graphene oxide nanosheets supported cobalt catalysts: Role of support

Hasan Oliaei Torshizi, Ali Nakhaei Pour, Ali Mohammadi, Yahya Zamani, Seyed Mehdi Kamali Shahri

Journal Article

Activated carbon induced oxygen vacancies-engineered nickel ferrite with enhanced conductivity for supercapacitor

Journal Article

Enabling nickel ferrocyanide nanoparticles for high-performance ammonium ion storage

Journal Article

Molybdenum disulfide@nickel phyllosilicate hybrid for improving the flame retardancy and wear resistance

Journal Article