Electrochemical hydrogen storage performance of AB5-CoB composites synthesized by a simple mixing method

Song, Dawei; Wang, Yijing; Wang, Yaping; Jiao, Lifang; Yuan, Huatang

doi:10.1007/s12598-009-0120-5

Cited by 5 publications

(3 citation statements)

References 16 publications

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“…80 However, no synergistic effects were reported, although they found that the composite of Co-Si 3 N 4 as an additive in an electrode containing a PrMg 12 hydrogen storage alloy presented good catalytic ability and thus a significant increase in discharge capacity. Similar reports have been made for composites of La 2 Mg 17 alloy and Co, 81 La-Mg-Ni-based and Co-C alloys, 82 LaNi 5 -based and CoB alloys, 83 and LaNi 5 -based alloy and Co. 84 Two discharge plateaus occur for these composites. The first plateau is caused by hydrogen desorption from the hydrogen storage alloy and the second plateau is due to the oxidation of Co or Co-based alloys.…”

Section: Composite Materialssupporting

confidence: 83%

Co-based anode materials for alkaline rechargeable Ni/Co batteries: a review

Zhao

Shen

2012

J. Mater. Chem.

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The Ni/Co battery is a new electrochemical energy storage system for alkaline rechargeable batteries that has been attracting much attention due to its high energy density. This review presents the current R&D status of Co-based materials with a particular focus on Ni/Co batteries, including their underlying principles and the recent progress in Co-based materials (e.g., cobalt oxides and hydroxides, Co-based alloys, and some composites). It emphasizes the relationship of the composition, phase structure and electrochemical properties of Co-based materials that show promise in practical application due to their good electrode performance. The synthesis of novel Co-based materials in nanoscale and low dissolution of active materials into the alkaline solution during cycling are two essential factors favouring the application of this environmentally-friendly battery.

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Section: Composite Materialssupporting

confidence: 83%

Co-based anode materials for alkaline rechargeable Ni/Co batteries: a review

Zhao

Shen

2012

J. Mater. Chem.

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“…Critical applications of Co 2 B in a variety of reactions resulting from its functional properties gained significant attention [ 11 ]. The antioxidant effect of boron and the high electrochemical properties of cobalt makes Co 2 B a candidate catalyst for fuel cell and hydrogen storage applications [ 12 , 13 ]. The oxidation resistance properties of Co 2 B also make the compound a good option for surface coating applications [ 14 ].…”

Section: Introductionmentioning

confidence: 99%

In Vitro Transcriptome Analysis of Cobalt Boride Nanoparticles on Human Pulmonary Alveolar Cells

et al. 2022

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Nanobiotechnology influences many different areas, including the medical, food, energy, clothing, and cosmetics industries. Considering the wide usage of nanomaterials, it is necessary to investigate the toxicity potentials of specific nanosized molecules. Boron-containing nanoparticles (NPs) are attracting much interest from scientists due to their unique physicochemical properties. However, there is limited information concerning the toxicity of boron-containing NPs, including cobalt boride (Co2B) NPs. Therefore, in this study, Co2B NPs were characterized using X-ray crystallography (XRD), transmission electron microscope (TEM), scanning electron microscope (SEM), and energy-dispersive X-ray spectroscopy (EDX) techniques. Then, we performed 3-(4,5-dimethyl-thiazol-2-yl) 2,5-diphenyltetrazolium bromide (MTT), lactate dehydrogenase (LDH) release, and neutral red (NR) assays for assessing cell viability against Co2B NP exposure on cultured human pulmonary alveolar epithelial cells (HPAEpiC). In addition, whole-genome microarray analysis was carried out to reveal the global gene expression differentiation of HPAEpiC cells after Co2B NP application. The cell viability tests unveiled an IC50 value for Co2B NPs of 310.353 mg/L. The results of our microarray analysis displayed 719 gene expression differentiations (FC ≥ 2) among the analyzed 40,000 genes. The performed visualization and integrated discovery (DAVID) analysis revealed that there were interactions between various gene pathways and administration of the NPs. Based on gene ontology biological processes analysis, we found that the P53 signaling pathway, cell cycle, and cancer-affecting genes were mostly affected by the Co2B NPs. In conclusion, we suggested that Co2B NPs would be a safe and effective nanomolecule for industrial applications, particularly for medical purposes.

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“…In numerous cobalt-based alloys, Co-B alloys have attracted extensive attention because of their excellent electrochemical performance. The researchers have been trying to find Co-B alloys with better cycle stability, higher electrochemical capacity, and higher rate discharge-ability used as negative electrode materials for alkaline secondary batteries based on the optimization of preparation methods [11,12], the select of raw materials [3], the control of the synthesizing conditions [13] and multi-component alloying [8,14,15,16].…”

Section: Introductionmentioning

confidence: 99%

Enhanced Electrochemical Performance of CoB Amorphous Alloy through the Addition of Lanthanum

Zhao

Liao

Qiu

et al. 2018

MSF

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In order to investigate the effect of lanthanum on the electrochemical properties of CoB amorphous alloy, Co-Lax-B alloys (x = 0, 0.1, 0.5, and 1) were prepared by chemical reduction method. As negative electrodes in alkaline rechargeable batteries, Co-Lax-B alloys exhibit superior electrochemical properties. For Co-La0.1-B alloy, at the discharge current density of 100 mA/g, the initial discharge capacity is 830.6 mAh/g and the discharge capacity has remained around 317.3 mAh/g even after 100 cycles. Moreover, the high-rate discharge ability (HRD) of Co-La0.1-B alloy electrode at the discharge current density of 300 mA/g, 600 mA/g, and 900 mA/g is 98.16%, 95.17%, and 91.86%, respectively. The anodic polarization (AP) and the electrochemical impedance spectra (EIS) measurements indicate that the kinetics of electrochemical performance of the alloys is remarkably improved with the addition of lanthanum.

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Electrochemical hydrogen storage performance of AB5-CoB composites synthesized by a simple mixing method

Cited by 5 publications

References 16 publications

Co-based anode materials for alkaline rechargeable Ni/Co batteries: a review

Co-based anode materials for alkaline rechargeable Ni/Co batteries: a review

In Vitro Transcriptome Analysis of Cobalt Boride Nanoparticles on Human Pulmonary Alveolar Cells

Enhanced Electrochemical Performance of CoB Amorphous Alloy through the Addition of Lanthanum

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