Influence of ZIF-9 and ZIF-12 structure on the formation of a series of new Co/N-doped porous carbon composites as anode electrodes for high-performance lithium-ion batteries

Duong, Anh Tuan; Nguyen, Hoang; Trần, Mẫn Văn; Ngo, Quoc; Luu, Loc Cam; Đoàn, Tân Lê Hoàng; Nguyen, Hung N.; Nguyen, My V.

doi:10.1039/d3ra02802j

Cited by 5 publications

(2 citation statements)

References 74 publications

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“…Ammonium hydroxide is a frequently employed base in MOF synthesis due to its effectiveness in enhancing linker solubility and facilitating nucleation, influencing the size and structure of the resulting MOF crystals. 57–59 Abid et al synthesized a series of UiO-66 MOFs with different concentrations of ammonium hydroxide as modulator. They were able to show that with increasing modulator concentration, the particle size decreased while the pore size increased.…”

Section: Types Of Modulatorsmentioning

confidence: 99%

Coordination modulation: a way to improve the properties of metal–organic frameworks

Bigdeli,

Fetzer,

Nis

et al. 2023

J. Mater. Chem. A

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Section: Types Of Modulatorsmentioning

confidence: 99%

Coordination modulation: a way to improve the properties of metal–organic frameworks

Bigdeli,

Fetzer,

Nis

et al. 2023

J. Mater. Chem. A

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“…In this sense, ZIF-12 is a new emerging RHO-type framework formed by using cobalt as a metal ion and benzimidazole as an organic linker. Previous reports claimed excellent results on ZIF-12 based composites in the fields including batteries, 32 catalysis, 33 sensors, 34 etc., with limited publications. Taking this as an advantage, we have developed an encapsulated ZIF-12 composite for GA detection.…”

Section: Introductionmentioning

confidence: 99%

Natural Polymer Encapsulated Zeolitic Imidazolate Framework-12 Composite toward Electrochemical Sensing of Antitumor Agent

Thenrajan,

Madhu Malar,

Wilson

2024

ACS Appl. Bio Mater.

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Encapsulation of natural polymer pectin (Pec) into a zeolitic imidazolate framework-12 (ZIF-12) matrix via a simple chemical method toward anticancer agent gallic acid (GA) detection is reported in this work. GA, a natural phenol found in many food sources, has gained attention by its biological effects on the human body, such as an antioxidant and anti-inflammatory. Therefore, it is crucial to accurately and rapidly determine the GA level in humans. The encapsulation of Pec inside the ZIF-12 has been successfully confirmed from the physiochemical studies such as XRD, Raman, FTIR, and XPS spectroscopy along with morphological FESEM, BET, and HRTEM characterization. Under optimized conditions, the Pec@ZIF-12 composite exhibits wide linear range of 20 nM−250 μM with a detection limit of 2.2 nM; also, it showed excellent selectivity, stability, and reproducibility. Furthermore, the real sample analysis of food samples including tea, coffee, grape, and pomegranate samples shows exceptional recovery percentage in an unspiked manner. So far, there is little literature for encapsulating proteins, enzymes, metals, etc., that have been reported; here, we successfully encapsulated a natural polymer Pec inside the ZIF-12 cage. This encapsulation significantly enhanced the composite electrochemical performance, which could be seen from the overall results. All of these strongly suggest that the proposed Pec@ZIF-12 composite could be used for miniaturized device fabrication for the evaluation of GA in both home and industrial applications.

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Utilization of a One‐Pot Prepared Cobalt Selenide Embedded Carbon Matrix Electrode From ZIF‐12 for High‐Performance Asymmetric Supercapacitors

Siyahjani Gultekin,

Bugday,

Sahin

et al. 2024

Applied Organom Chemis

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It is becoming increasingly important to create novel energy storage devices with excellent cycle stability, high power density and high energy density due to the fast advancement in technology. Rechargeable batteries and electrochemical supercapacitors (SCs) are developed as energy storage devices to meet these energy requirements. In this work, a cobalt selenide embedded in a carbon matrix (Co6.8Se8@C) produced from ZIF‐12 via a one‐pot method by our group for the first time was used as an asymmetric SC electrode. In this work, a cobalt selenide embedded in a carbon matrix (Co6.8Se8@C) produced from ZIF‐12 as a precursor by our group previously has been used as an asymmetric SC electrode. The effects of the structural and morphological properties of this composite material on its electrochemical behaviour and capacitive performance were examined both in a three‐electrode system as a single electrode and in an asymmetric SC. The superior electrochemical storage performance with a specific capacitance of 77.06 Fg−1 at 1 Ag−1 and energy density of 27.09 Wh kg−1 at a power density of 441.90 W kg−1 were obtained with high stability and cycle life via the prepared electrode in asymmetric SC device.

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Influence of ZIF-9 and ZIF-12 structure on the formation of a series of new Co/N-doped porous carbon composites as anode electrodes for high-performance lithium-ion batteries

Abstract: A series of new Co/N-doped porous carbon composites containing Co nanoparticles encapsulated in nitrogen-doped carbon matrices were prepared by annealing Co-based zeolite imidazolate framework materials as the efficient precursors at different temperatures.

Cited by 5 publications

References 74 publications

Coordination modulation: a way to improve the properties of metal–organic frameworks

Coordination modulation: a way to improve the properties of metal–organic frameworks

Natural Polymer Encapsulated Zeolitic Imidazolate Framework-12 Composite toward Electrochemical Sensing of Antitumor Agent

Utilization of a One‐Pot Prepared Cobalt Selenide Embedded Carbon Matrix Electrode From ZIF‐12 for High‐Performance Asymmetric Supercapacitors

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