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Nickel(II) ion-intercalated MXene membranes for enhanced H2/CO2 separation

Yiyi Fan, Jinyong Li, Saidi Wang, Xiuxia Meng, Yun Jin, Naitao Yang, Bo Meng, Jiaquan Li, Shaomin Liu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 882-891 doi: 10.1007/s11705-020-1990-1

Abstract: Hydrogen fuel has been embraced as a potential long-term solution to the growing demand for clean energy. A membrane-assisted separation is promising in producing high-purity H . Molecular sieving membranes (MSMs) are endowed with high gas selectivity and permeability because their well-defined micropores can facilitate molecular exclusion, diffusion, and adsorption. In this work, MXene nanosheets intercalated with Ni were assembled to form an MSM supported on Al O hollow fiber via a vacuum-assisted filtration and drying process. The prepared membranes showed excellent H /CO mixture separation performance at room temperature. Separation factor reached 615 with a hydrogen permeance of 8.35 × 10 mol·m ·s ·Pa . Compared with the original Ti C T /Al O hollow fiber membranes, the permeation of hydrogen through the Ni -Ti C T /Al O membrane was considerably increased, stemming from the strong interaction between the negatively charged MXene nanosheets and Ni . The interlayer spacing of MSMs was tuned by Ni . During 200-hour testing, the resultant membrane maintained an excellent gas separation without any substantial performance decline. Our results indicate that the Ni tailored Ti C T /Al O hollow fiber membranes can inspire promising industrial applications.

Keywords： MXene     H2/CO2 separation     nickel ions     hollow fiber    

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minimized fluorescent chemosensor array utilizing carboxylate-attached polythiophenes on a chip for metal ions

Yui Sasaki, Xiaojun Lyu, Zhoujie Zhang, Tsuyoshi Minami

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 1,   Pages 72-80 doi: 10.1007/s11705-021-2037-y

Abstract: types of carboxylate-functionalized polythiophene derivatives for the detection of eight types of metal ionsUpon recognition of the metal ions, the polythiophenes exhibited changes in their fluorescence intensityConsequently, the metal ions in aqueous media were successfully discriminated qualitatively and quantitatively

Keywords： metal ions     polythiophene     chemosensor array     fluorescence     pattern recognition    

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Spectrokinetics study of probable effects of diverse inorganic ions on bleaching of dye

Rafia AZMAT, Masooda QADRI, Fahim UDDIN

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 131-138 doi: 10.1007/s11705-010-0556-z

Abstract: The current study describes the interactive role of diverse inorganic material ions on the bleachingNo decoloration in acidic medium with diverse ions was seen compared to alkaline media, showing thatA mechanism of interaction of diverse ions in dye bleaching and a mechanism of reduction based on the

Keywords： TB     diverse ions     suppress     decoloration    

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An AuNPs/Mesoporous NiO/Nickel Foam Nanocomposite as a Miniaturized Electrode for Heavy Metal Detection Article

Boyuan Xue, Qian Yang, Kaidong Xia, Zhihong Li, George Y. Chen, Dayi Zhang, Xiaohong Zhou

Engineering 2023, Volume 27, Issue 8,   Pages 199-208 doi: 10.1016/j.eng.2022.06.005

Abstract: hydrothermal calcination method to directly grow binder-free mesoporous NiO on a three-dimensional nickelFurthermore, other heavy metal ions and common interfering ions found in groundwater showed negligible

Keywords： AuNPs     Mesoporous NiO     Miniaturized electrode     Heavy metal ions     Groundwater     Square wave voltammetry    

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Nano-copper ions assembled cellulose-based composite with antibacterial activity for biodegradable personal

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1544-1554 doi: 10.1007/s11705-022-2288-2

Abstract: In this study, nano-copper ions assembled cotton fabric used in face masks to impart antibacterial activitymodified by sodium chloroacetate after its mercerization, and assembled with bactericidal nano-copper ionsEscherichia coli because the gaps between fibers in the cotton fabric allow the nano-copper ionsThis green, economical, facile, and scalable process of depositing nano-copper ions onto modified cotton

Keywords： cellulose-based     nanocomposite     biodegradable antibacterial fabric     nano-copper ions     face masks    

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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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Effects of metal ions on the morphology of calcium sulfate hemihydrate whiskers by hydrothermal method

Tianjie Liu, Hao Fan, Yanxia Xu, Xingfu Song, Jianguo Yu

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4,   Pages 545-553 doi: 10.1007/s11705-017-1665-8

Abstract: The effects of Na , Mg , Al and Fe ion concentrations on the crystal morphology of calcium sulfate hemihydrate whiskers formed via a hydrothermal method have been studied. In the presence of Al concentrations higher than 1×10 mol/L the whiskers were significantly shorter and thicker and the presence of Mg and Fe resulted in shorter whiskers. The presence of Na did not affect the morphology of the whiskers. Through elemental analysis, it was determined that Mg and Al were selectively adsorbed on the surfaces of the crystals, whereas Fe underwent a hydrolysis reaction to form a brown precipitate which decreased the ion concentration in the solution. These results indicate that in raw materials used for the industrial preparation of calcium sulfate whiskers, Al and Fe should be removed and the Mg concentration should be less than 8 × 10 mol/L in order to obtain pure whiskers with high aspect ratios.

Keywords： metal ions     morphology     calcium sulfate hemihydrate whiskers     hydrothermal method     selective adsorption    

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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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Nickel-based metal−organic framework-derived whisker-shaped nickel phyllosilicate toward efficiently

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 10,   Pages 1493-1504 doi: 10.1007/s11705-022-2168-9

Abstract: In this work, the rod-like nickel-based metal−organic frameworks were first synthesized and subsequentlyemployed as the hard templates and nickel sources to prepare the whisker-shaped nickel phyllosilicateThen, the nickel phyllosilicate whiskers were evaluated to enhance the mechanical, thermal, flammableThe results show that adequate nickel phyllosilicate whiskers can disperse well in the matrix, improvingAlthough the addition of nickel phyllosilicate whiskers could not obtain any UL-94 ratings, it enhanced

Keywords： metal−organic framework     nickel phyllosilicate     whisker     epoxy resin     mechanical response     tribological    

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Removal of Ni(II) ions from wastewater by micellar enhanced ultrafiltration using mixed surfactants

Amar D. Vibhandik, Kumudini V. Marathe

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1,   Pages 79-86 doi: 10.1007/s11705-014-1407-0

Abstract: Ni(II) ions were removed from aqueous waste using micellar enhanced ultrafiltration (MEUF) with a mixture

Keywords： MEUF     Ni (II) ions     membrane resistance     concentration polarization     mixed surfactants    

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Tool wear mechanisms in the machining of Nickel based super-alloys: A review

Waseem AKHTAR,Jianfei SUN,Pengfei SUN,Wuyi CHEN,Zawar SALEEM

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 106-119 doi: 10.1007/s11465-014-0301-2

Abstract:

Nickel based super-alloys are widely employed in aircraft engines and gas turbines due to their highThis study provides a detailed review of the tool wear mechanism in the machining of nickel based super-alloys

Keywords： tool wear     nickel based super-alloy     wear mechanism    

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Simultaneous removal of total oxidizable carbon, phosphate and various metallic ions from HO solution

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 470-482 doi: 10.1007/s11705-022-2231-6

Abstract: Accordingly, the removal efficiency of total oxidizable carbon, phosphate and metallic ions from the

Keywords： adsorption     zirconia     total oxidizable carbon     phosphate     metallic ions     hydrogen peroxide    

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Self-sacrificial templating synthesis of flower-like nickel phyllosilicates and its application as high-performance

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 4,   Pages 484-497 doi: 10.1007/s11705-021-2074-6

Abstract: The nanocomposites of flower-like nickel phyllosilicate particles incorporated into epoxy resin wereThe flower-like nickel phyllosilicate particles were firstly synthesized using a mild self-sacrificialIt was demonstrated that adequate flower-like nickel phyllosilicate particles dispersed well in the matrixNevertheless, the incorporated flower-like nickel phyllosilicate particles resulted in the continuously

Keywords： nickel phyllosilicate     flow-like structure     mechanical property     thermal stability     tribological performance    

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Field evidence of decreased extractability of copper and nickel added to soils in 6-year field experiments

Bao Jiang, Dechun Su, Xiaoqing Wang, Jifang Liu, Yibing Ma

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 2, doi: 10.1007/s11783-017-0990-y

Abstract: The phytotoxicity of added copper (Cu) and nickel (Ni) is influenced by soil properties and field aging

Keywords： Copper     Nickel     EDTA     Sequential extraction    

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Title Author Date Type Operation

Nickel(II) ion-intercalated MXene membranes for enhanced H2/CO2 separation

Yiyi Fan, Jinyong Li, Saidi Wang, Xiuxia Meng, Yun Jin, Naitao Yang, Bo Meng, Jiaquan Li, Shaomin Liu

Journal Article

minimized fluorescent chemosensor array utilizing carboxylate-attached polythiophenes on a chip for metal ions

Yui Sasaki, Xiaojun Lyu, Zhoujie Zhang, Tsuyoshi Minami

Journal Article

Spectrokinetics study of probable effects of diverse inorganic ions on bleaching of dye

Rafia AZMAT, Masooda QADRI, Fahim UDDIN

Journal Article

An AuNPs/Mesoporous NiO/Nickel Foam Nanocomposite as a Miniaturized Electrode for Heavy Metal Detection

Boyuan Xue, Qian Yang, Kaidong Xia, Zhihong Li, George Y. Chen, Dayi Zhang, Xiaohong Zhou

Journal Article

Nano-copper ions assembled cellulose-based composite with antibacterial activity for biodegradable personal

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

Effects of metal ions on the morphology of calcium sulfate hemihydrate whiskers by hydrothermal method

Tianjie Liu, Hao Fan, Yanxia Xu, Xingfu Song, Jianguo Yu

Journal Article

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

Journal Article

Nickel-based metal−organic framework-derived whisker-shaped nickel phyllosilicate toward efficiently

Journal Article

Removal of Ni(II) ions from wastewater by micellar enhanced ultrafiltration using mixed surfactants

Amar D. Vibhandik, Kumudini V. Marathe

Journal Article

Tool wear mechanisms in the machining of Nickel based super-alloys: A review

Waseem AKHTAR,Jianfei SUN,Pengfei SUN,Wuyi CHEN,Zawar SALEEM

Journal Article

Simultaneous removal of total oxidizable carbon, phosphate and various metallic ions from HO solution

Journal Article

Self-sacrificial templating synthesis of flower-like nickel phyllosilicates and its application as high-performance

Journal Article

Field evidence of decreased extractability of copper and nickel added to soils in 6-year field experiments

Bao Jiang, Dechun Su, Xiaoqing Wang, Jifang Liu, Yibing Ma

Journal Article