Results 51 to 60 of about 11,648 (266)

Electrodeposited MnCu4 intermetallic compound as an efficient oxygen evolution electrocatalyst for water splitting

International Journal of Electrochemical Science
In this work it is reported the synthesis by electrodeposition of CuZn4 from alkaline solution containing citrates at pH 10. The electrodes obtained on FTO were characterized by SEM, and XRD, and these results indicate that an intermetallic compound has ...
J.C. Ballesteros, A. Gallegos-Carrillo, A. Cruz-López, S.I. Suárez-Vázquez, J. López-Tinoco, E. Valencia-Avilés   +5 more
doaj   +1 more source

Biointegrated Battery‐Based Electroceuticals

Advanced Materials, EarlyView.
Biointegrated batteries go beyond passive power to serve as active therapeutic platforms for delivering programmable electrical cues and bioactive agents. This review examines their mechanisms and applications and provides a framework to guide battery‐based therapeutic design and clinical translation.
Yan Zhou, Zhilian Yue, Zhiqi Chen, Danming Chao, Xiaoteng Jia, Gordon Wallace, Caiyun Wang   +6 more
wiley   +1 more source

Bimetallic Zeolitic Imidazolate Framework-derived Porous Carbon as Efficient Bifunctional Electrocatalysts for Zn-air Battery

International Journal of Electrochemical Science, 2018
The development of low-cost and efficient oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) electrocatalyst is critical for widespread application of fuel cells and metal-air batteries.
Zihan Meng, Haopeng Cai, Haolin Tang
doaj   +1 more source

Bi2O3 Nanoparticles Decorated Carbon Nanotube: An Effective Nanoelectrode for Enhanced Electrocatalytic 4-Nitrophenol Reduction

Frontiers in Chemistry, 2020
4-Nitrophenol (4-NP) is present in most industrial waste water resources as an organic pollutant, and is a highly toxic and environmentally hazardous pollutant.
Raviraj P. Dighole, Ajay V. Munde, Balaji B. Mulik, Bhaskar R. Sathe   +3 more
doaj   +1 more source

Structural reconstruction of electrocatalysts

Fundamental Research
Efficient and durable electrocatalysts are essential for achieving high electrocatalytic efficiency in electrocatalytic reactions, forming the bedrock of effective electrochemical energy technologies. Electrocatalysis is a complex process, marked by intricate reaction system and crucial interfacial interactions, leading to diverse degrees of ...
Chenfeng Xia, Fu-Min Li, Chaohui He, Shahid Zaman, Wei Guo, Bao Yu Xia   +5 more
openaire   +2 more sources

Escaping the Scaling Relationships in Oxygen Reduction Catalysis: Implications for PEM Fuel Cells

Advanced Materials, EarlyView.
Escaping the scaling relationships of the oxygen reduction reaction is vital for hydrogen fuel cells. This outlook examines how interfacial heterogeneity, spanning the subsurface lattice, chemisorption layer, and near‐interface solvation volume, mechanistically decouples intermediate binding energetics.
Muhammad Bilal Wazir, Lourdes F. Vega, Maryam Khaleel   +2 more
wiley   +1 more source

A self-reactivated PdCu catalyst for aldehyde electro-oxidation with anodic hydrogen production

Nature Communications
The low-potential aldehyde oxidation reaction can occur at low potential (~0 VRHE) and release H2 at the anode, enabling hydrogen production with less than one-tenth of the energy consumption required for water splitting.
Ming Yang, Yimin Jiang, Chung-Li Dong, Leitao Xu, Yutong Huang, Shifan Leng, Yandong Wu, Yongxiang Luo, Wei Chen, Ta Thi Thuy Nga, Shuangyin Wang, Yuqin Zou   +11 more
doaj   +1 more source

Universal Strategy for Phase‐Selective Synthesis of Monolayer TMDs via Colloidal Chemistry

Advanced Materials, EarlyView.
ABSTRACT Colloidal synthesis of monolayer transition metal dichalcogenides (TMDs) remains challenging regarding uniform size, thickness, and crystalline phase. While significant progress has been made in phase engineering, a unified chemical strategy for on‐demand selection of both 2H and 1T′ phases across multiple TMD systems within a single chemical ...
Hoon Ju Lee, Weiguang Yang, Dae Young Park, Mrinal Kanti Kabiraz, Benoit Mahler, Hyeon Suk Shin   +5 more
wiley   +1 more source

Biomimetic Fe7S8/Carbon electrocatalyst from [FeFe]‐Hydrogenase for improving pH‐Universal electrocatalytic hydrogen production

Aggregate
Efficient and cost‐effective electrocatalysts that can operate across a wide range of pH conditions are essential for green hydrogen production. Inspired by biological systems, Fe7S8 nanoparticles incorporated on polydopamine matrix electrocatalyst were ...
Dohun Kim, Subramani Surendran, Sejin Im, Jaehyoung Lim, Kyoungsuk Jin, Ki Tae Nam, Uk Sim   +6 more
doaj   +1 more source

Electrocatalyst/Semiconductor Interfaces in Photoelectrocatalysts: Mechanistic Analysis of the Impact of Nanoparticle Electrocatalyst Coverage on Performance

Advanced Materials, EarlyView.
Reducing Ni nanoparticle coverage on n‐Si photoanodes enhances photovoltage by promoting thicker interfacial SiOx formation during photoelectrochemical oxygen evolution reaction (OER). Experiments, analytical modeling, and finite‐element simulations reveal that coverage‐dependent chemical interface evolution, rather than geometric effects alone ...
Aarti Mathur, Ahmet Sert, Suljo Linic
wiley   +1 more source