Parcourir par sujet "Hydrogen evolution reaction"

Design and Synthesis of Highly Performing Bifunctional Ni-NiO-MoNi Hybrid Catalysts for Enhanced Urea Oxidation and Hydrogen Evolution Reactions

Xu Q., Qian G., Yin S., Yu C., Chen W., Yu T., Luo L., Xia Y., Tsiakaras P. (2020)

In order to provide solutions for the pollution caused by nitrogen-containing wastewater and the shortage of fossil fuels, it is urgent to design highly performing bifunctional catalysts for the urea oxidation reaction ...

Efficient overall water splitting over Mn doped Ni2P microflowers grown on nickel foam

Xu P., Qiu L., Wei L., Liu Y., Yuan D., Wang Y., Tsiakaras P. (2020)

The efficient design of highly active, economical and stable electrocatalysts for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) in alkaline electrolyte still remains a great challenge. Herein, ...

Electrocatalytic production of hydrogen over highly efficient ultrathin carbon encapsulated S, P co-existence copper nanorods composite

Xu F., Yu C., Qian G., Luo L., Hasan S.W., Yin S., Tsiakaras P. (2020)

Electrocatalysis plays a key role in energy conversion processes (such as hydrogen evolution reaction-HER) to several renewable energy technologies developed to reduce our dependence on fossil fuels. It is of great importance ...

Electronic modulation of cobalt phosphide nanosheet arrays via copper doping for highly efficient neutral-pH overall water splitting

Yan L., Zhang B., Zhu J., Li Y., Tsiakaras P., Kang Shen P. (2020)

We report here, an effective strategy to optimize the electronic structure of CoP using copper doping, for greatly enhancing the intrinsic activity and conductivity of CoP in neutral-pH water splitting. As a result, the ...

A green approach for enhancing the electrocatalytic activity and stability of NiFe2O4/CB nanospheres towards hydrogen production

Munonde T.S., Zheng H., Matseke M.S., Nomngongo P.N., Wang Y., Tsiakaras P. (2020)

Among the exfoliation processes applied on layered materials, it is the first time to explore the ultrasonic exfoliation in water for improving the catalytic properties of NiFe2O4/CB (CB = carbon black) nanospheres towards ...

Interface charges redistribution enhanced monolithic etched copper foam-based Cu2O layer/TiO2 nanodots heterojunction with high hydrogen evolution electrocatalytic activity

Long B., Yang H., Li M., Balogun M.-S., Mai W., Ouyang G., Tong Y., Tsiakaras P., Song S. (2019)

Semiconducting materials are considered as excellent electrocatalysts for electrochemical water splitting; however, there is still a lack of relevant design and understanding of semiconducting composite electrodes. Here, ...

Ternary Mo2NiB2 as a Superior Bifunctional Electrocatalyst for Overall Water Splitting

Saad A., Gao Y., Owusu K.A., Liu W., Wu Y., Ramiere A., Guo H., Tsiakaras P., Cai X. (2022)

Transition metal borides are considered as promising electrocatalysts for water splitting due to their metallic conductivity and good durability. However, the currently reported monometallic and noncrystalline multimetallic ...

Worm-like S-doped RhNi alloys as highly efficient electrocatalysts for hydrogen evolution reaction

Lu J., Tang Z., Luo L., Yin S., Kang Shen P., Tsiakaras P. (2019)

Precious metals are considered as the most efficient electrocatalysts for boosting the dynamic process of cathode in water electrolysis devices. Due to the large surface areas and the low coordination numbers of surface ...