scholarly journals Corrigendum to “Bimetallic palladium-cobalt nanomaterials as highly efficient catalysts for dehydrocoupling of dimethylamine borane” [Int J Hydrogen Energy 45 (2020) 3569–3576]

Author(s):  
Betül Şen ◽  
Ayşenur Aygün ◽  
Aysun Şavk ◽  
Mehmet Harbi Çalımlı ◽  
Senem Karahan Gülbay ◽  
...  
2020 ◽  
Vol 45 (5) ◽  
pp. 3569-3576 ◽  
Author(s):  
Betül Şen ◽  
Ayşenur Aygün ◽  
Aysun Şavk ◽  
Mehmet Harbi Çalımlı ◽  
Senem Karahan Gülbay ◽  
...  

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Xixi Ji ◽  
Yanhong Lin ◽  
Jie Zeng ◽  
Zhonghua Ren ◽  
Zijia Lin ◽  
...  

AbstractDevelopment of excellent and cheap electrocatalysts for water electrolysis is of great significance for application of hydrogen energy. Here, we show a highly efficient and stable oxygen evolution reaction (OER) catalyst with multilayer-stacked hybrid structure, in which vertical graphene nanosheets (VGSs), MoS2 nanosheets, and layered FeCoNi hydroxides (FeCoNi(OH)x) are successively grown on carbon fibers (CF/VGSs/MoS2/FeCoNi(OH)x). The catalyst exhibits excellent OER performance with a low overpotential of 225 and 241 mV to attain 500 and 1000 mA cm−2 and small Tafel slope of 29.2 mV dec−1. Theoretical calculation indicates that compositing of FeCoNi(OH)x with MoS2 could generate favorable electronic structure and decrease the OER overpotential, promoting the electrocatalytic activity. An alkaline water electrolyzer is established using CF/VGSs/MoS2/FeCoNi(OH)x anode for overall water splitting, which generates a current density of 100 mA cm−2 at 1.59 V with excellent stability over 100 h. Our highly efficient catalysts have great prospect for water electrolysis.


2018 ◽  
Vol 6 (7) ◽  
pp. 3224-3230 ◽  
Author(s):  
Li-Ming Cao ◽  
Jia-Wei Wang ◽  
Di-Chang Zhong ◽  
Tong-Bu Lu

The development of readily available, highly efficient and stable electrocatalysts for the oxygen evolution reaction (OER) is extremely significant to facilitate water splitting for the generation of clean hydrogen energy.


2020 ◽  
Vol 10 (23) ◽  
pp. 7865-7874
Author(s):  
Nihat Tunç ◽  
Murat Rakap

In this study, the first ever and easy surfactant-aided synthesis of CTAB-stabilized Rh0.63Co0.37 and their employment as highly efficient, cost-saving, and recyclable catalysts to generate hydrogen from the hydrolysis of MeAB and DMAB are reported.


Author(s):  
Z. Sirko ◽  
◽  
O. Protasov ◽  
V. Korenda ◽  
I. Vishnyakov ◽  
...  

Search for new highly efficient agents for wood fire retardant treatment in the construction has been conducted more and more intensively. But fire retardant treatment nowadays should not only ensure specified fire resistance of wood but preserve its performance as well as ensure its environmental safety and durability. Therefore a significant problem of ensuring vital activities and safe functioning of building facilities lies in the development of intumescent coatings for building structures taking into consideration economical, processing and environmental aspects; these coatings shall be used not only on a par with existing similar ones but be highly efficient in special spheres of construction which makes it possible to prevent occurrence of man-caused accidents. The paper shows results of the studies purposed at raising efficiency of the facilities protection by conversion of the cellulose containing materials used at them to the group of hardly combustible materials; it was revealed that application of appropriate composition converted the wood into hardly combustible material that did not spread flame across its surface and had moderate smoke production ability. Taking into account these fire hazard indices the wood having been subjected to fire retardant treatment as construction material could be allowed for application for the internal lining of rooms including those at the escape routes. Hydrogen energy also meets global trends in autonomous and local energy consumption. The concept of "home power plant" appears in European energy programs. Such mini-power plants with a capacity of not more than 5 kW are environmentally friendly because they allow you to produce as much electricity as the consumer needs, and consume it without the losses inevitable in large energy with its thousands of kilometers of power lines. It is likely that hydrogen energy closes the topical issues: how to make all possible energy sources more interconnected, how to minimize their overall impact on the environment. Because this energy source is more universal, more flexible to use and more environmentally friendly.


Nanoscale ◽  
2020 ◽  
Vol 12 (45) ◽  
pp. 23125-23133
Author(s):  
Yifan Tian ◽  
Xinying Xue ◽  
Yu Gu ◽  
Zhaoxi Yang ◽  
Guo Hong ◽  
...  

Electrochemically splitting water into hydrogen and oxygen plays a significant role in the commercialization of hydrogen energy as well as fuel cells, but it remains a challenge to design and fabricate low-cost and high-efficiency electrocatalysts.


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