Results 91 to 100 of about 33,797 (295)

Construction of Highly Active Pt/Ni-Fe Layered Double Hydroxide Electrocatalyst towards Methanol Oxidation in Alkaline Medium

International Journal of Electrochemical Science, 2019
A novel Pt/Ni-Fe layered double hydroxide (Pt/Ni-Fe LDH) electrocatalyst was fabricated by a two-step facile process for oxidation of methanol in alkaline medium.
Haiyan Wang, Yanan Chen, Wenfu Xie, Xiaoxue Han, Qian Feng, Rong Jiang, Hu Shang, Feifei Zhang, Linna Gao, Zonghua Wang   +9 more
doaj   +1 more source

A Novel Bi-functional Oxygen Electrode Electrocatalyst for a Unitized Regenerative Fuel Cell

, 2009
Unitized regenerative fuel cells (URFCs) are electrochemical cells working both as fuel cells and water electrolyzers. In the electrolysis mode, the water is electrolyzed to hydrogen and oxygen, which are recombined to produce electricity in the ...
张益宁, 马海鹏, 张华民
core  

A Review on Catalytic Nanostructured Electrodes for Wearable and Implantable Abiotic Glucose Fuel Cells

Advanced Science, EarlyView.
This review identifies current and future directions in abiotic nanostructured catalysts to develop reliable and sustainable glucose fuel cells to power the next generation of bioelectronic devices. ABSTRACT The global rise in incidence of chronic diseases has led to the demand for innovative solutions that help patients manage their conditions with ...
Asghar Niyazi, Hannah S. Leese, Benjamin Metcalfe, Mirella Di Lorenzo   +3 more
wiley   +1 more source

Enhanced OER performance by varying Al-WO3 electrocatalyst thickness: Process optimization

Results in Engineering
Oxygen evolution reactions (OER) are highly significant and play a critical role in the advancement of fuel cells, electrolyzers, chemicals, and solar energy conversion devices.
Adil Mehboob, Ayesha Sadiqa, Awais Ahmad, Muhammad Rashid, Noha Said Bedowr, Azka Awais, Nafis Mahmud, Mohamed A. Habila, Muhammad Arsalan   +8 more
doaj   +1 more source

Bio-inspired iron metal–carbon black based nano-electrocatalyst for the oxygen reduction reaction

, 2017
Purpose The purpose of this paper is to introduce bio-inspired FeN4-S-C black nano-electrocatalyst for the oxygen reduction reaction (ORR) in an alkaline medium. The FeN4-S-C derived without pyrolysis of precursors in high temperature is recognized as a
Behnam Seyyedi
core   +1 more source

Dynamic Etching‐Induced Cl‐Terminated Ti3C2Clx/Ti3ZnC2 Heterostructure for Ammonia Electrosynthesis and Zinc‐Nitrogen Batteries

Advanced Science, EarlyView.
A stable Ti3C2Clx/Ti3ZnC2 heterostructure, fabricated by dynamic etching, exhibits outstanding electrocatalytic NRR activity (NH3 yield: 20.1 µg h−1 mg−1, FE: 38.1%) in alkaline media. The corresponding Zn‐N2 battery achieves a peak power density of 36.5 µW cm−2 and an NH3 yield of 13.1 µg h−1 mg−1, providing an advanced strategy for NH3 and ...
Yu Wang, Ying Sun, Liqun Ye, Jichi Liu, Hui Li, Yang Fu, Fengzhan Sun, Jieshan Qiu, Chang Yu, Tianyi Ma   +9 more
wiley   +1 more source

Advanced theoretical modeling methodologies for electrocatalyst design in sustainable energy conversion [PDF]

Electrochemical reactions are pivotal for energy conversion and storage to achieve a carbon-neutral and sustainable society, and optimal electrocatalysts are essential for their industrial applications. Theoretical modeling methodologies, such as density
Guo, Zhongyuan, Liu, Chuangwei, Chen, Jun, Han, Yun, Wang, Tianyi, Wu, Qilong, https://orcid.org/   +6 more
core   +2 more sources

Integrating Machine Learning With Constant‐Potential Simulation to Unravel Charge‐Transfer Mechanisms in Electrochemical Nitrogen Fixation

Advanced Science, EarlyView.
Integrating interpretable machine learning with the fixed‐potential method reveals a novel mechanism: the catalytic activity of the electrochemical nitrogen reduction reaction is governed by partial charge transfer, induced by variations in the intermediate potential of zero charge under constant potential.
Yufei Xue, Dushuo Feng, Yuefei Zhang, Yang Zhang, Yalong Jiao, Aijun Du, Guoping Gao   +6 more
wiley   +1 more source

Carbon black supported manganese phthalocyanine: Efficient electrocatalyst for nitrogen reduction to ammonia

Engineering Reports
Ammonia (NH3) is regarded as a renewable energy source as well as an important molecule for agricultural applications. The energy‐intensive Haber‐Bosch method produces large amounts of CO2 gas during ammonia production.
Ashadul Adalder, Santosh R. Waghela, Sachin A. Shelukar, Nilmadhab Mukherjee, Swati Das, Uttam Kumar Ghorai   +5 more
doaj   +1 more source

Improving the activity and stability of a Pt/C electrocatalyst for direct methanol fuel cells

, 2010
Ketjen Black (KB) as an electrocatalyst support was treated at 900 degrees C in the presence of cobalt and nickel nitrates, and characterized by X-ray diffraction, energy dispersive X-ray spectroscopy, transmission electron microscopy and nitrogen ...
Liu, Ying, Yan, Shiyou, Sun, Gongquan, Qi, Jing, Jiang, Qian, Shiyou Yan, Ying Liu, Jing Qi, Gongquan Sun, Qian Jiang   +9 more
core   +1 more source