Zhaoyan Luo, Yixin Ouyang, Hao Zhang, Meiling Xiao et al.
Abstract Lacking strategies to simultaneously address the intrinsic activity, site density, electrical transport, and stability problems of chalcogels is restricting their application in catalytic hydrogen production. Herein, we resolve these challenges concurrently through chemically activating the...
Edy Herianto Majlan, Dedi Rohendi, Wan Ramli Wan Daud, Teuku Husaini et al.
The electrode is the key component of the membrane electrode assembly (MEA) of proton exchange membrane fuel cells (PEMFCs). The electrochemical reaction of hydrogen (fuel) and oxygen that transform into water and electrical energy occurs at the catalyst site. Attempts to improve the performance and...
Ziqian Xue, Xia Li, Qinglin Liu, Mengke Cai et al.
Abstract Interface engineering has been recognized as one of the most promising strategies for regulating the physical and chemical properties of materials. However, constructing well‐defined nanointerfaces with efficient oxygen evolution reaction (OER) still remains a challenge. Herein, cross colum...
Minqiang Wang, Cui Ye, Heng Liu, Maowen Xu et al.
Abstract Transition‐metal phosphides (TMPs) have emerged as promising catalyst candidates for the hydrogen evolution reaction (HER). Although numerous methods have been investigated to obtain TMPs, most rely on traditional synthetic methods that produce materials that are inherently deficient with r...
Ziqian Xue, Yinle Li, Yawei Zhang, Wei Geng et al.
Abstract Exploring effective electrocatalysts for oxygen evolution reaction (OER) is a crucial requirement of many energy storage and conversion systems, involving fuel cells, water splitting, and metal–air batteries. Herein, a heterogeneity metal‐organic framework (MOF) is prepared by the assemblin...
Amare Aregahegn Dubale, Yuanyuan Zheng, Honglei Wang, René Hübner et al.
Abstract Low‐cost, non‐noble‐metal electrocatalysts are required for direct methanol fuel cells, but their development has been hindered by limited activity, high onset potential, low conductivity, and poor durability. A surface electronic structure tuning strategy is presented, which involves dopin...
Fei Chen, Lian‐Lian Liu, Jing‐Hang Wu, Xianhong Rui et al.
Abstract Single‐atom catalysts have emerged as an efficient oxidant activator for eliminating organic pollutants in Fenton‐like systems. However, the complex preparation, single active site, lack of understanding of the fundamental mechanism, and harsh pH conditions currently limit their practical a...
Bo Jiang, Cuiling Li, Ömer Dag, Hideki Abe et al.
Abstract Mesoporous noble metals are an emerging class of cutting-edge nanostructured catalysts due to their abundant exposed active sites and highly accessible surfaces. Although various noble metal (e.g. Pt, Pd and Au) structures have been synthesized by hard- and soft-templating methods, mesoporo...
Jingyan Zhang, Xiaowan Bai, Tongtong Wang, Wen Xiao et al.
Abstract The development of efficient earth-abundant electrocatalysts for oxygen reduction, oxygen evolution, and hydrogen evolution reactions (ORR, OER, and HER) is important for future energy conversion and energy storage devices, for which both rechargeable Zn–air batteries and water splitting ha...
Kejun Tu, Diana Tranca, F. Rodríguez-Hernández, Kaiyue Jiang et al.
Abstract Heterostructures exhibit considerable potential in the field of energy conversion due to their excellent interfacial charge states in tuning the electronic properties of different components to promote catalytic activity. However, the rational preparation of heterostructures with highly act...
Syed Shaheen Shah, S. M. Abu Nayem, Nasrin Sultana, A. J. Saleh Ahammad et al.
Electrochemical capacitors, also known as supercapacitors (SCs), have lately played an important role in energy storage and conversion systems due to their specific characteristics such as high strength, durability, and environmental friendliness. A wide range of materials is used as electrodes for ...
Jiale Xing, Kailu Guo, Zehua Zou, Minmin Cai et al.
Well-ordered NiFe-MOF-74 is in situ grown on Ni foam by the induction of Fe2+ and directly used as an OER electrocatalyst. Benefited from the intrinsic open porous structure of MOF-74, the in situ formed MOF arrays and the synergistic effect of Ni and Fe, outstanding water oxidation activity is obta...
Md Mosaddek Hossen, Md. Shamim Hasan, Md. Riajul Islam Sardar, Jahid Bin Haider et al.
Jing Du, Zehua Zou, Chen Liu, Cailing Xu
Hierarchical Fe-doped Ni<sub>3</sub>Se<sub>4</sub> ultrathin nanosheets are synthesized <italic>via</italic> solvothermal synthesis and a topotactic selenization process. The prepared (Ni,Fe)<sub>3</sub>Se<sub>4</sub> ultrathin nanosheets supported on Ni foam needed an overpotential of only 225 mV t...
Jinli Zhu, Jinmei Qian, Xuebing Peng, Baori Xia et al.
Abstract Rational reconstruction of oxygen evolution reaction (OER) pre-catalysts and performance index of OER catalysts are crucial but still challenging for universal water electrolysis. Herein, we develop a double-cation etching strategy to tailor the electronic structure of NiMoO 4 , where the p...