Results 211 to 220 of about 28,707 (264)

Spatially Coupled Cl2 Confinement and Activation at Curved Ni Single‐Atom Sites for Highly Reversible Li–Cl2 Batteries

Angewandte Chemie, EarlyView.
A robust cathode featuring curvature‐engineered Ni single‐atoms anchored within hierarchical pores effectively confines Cl2 and accelerates Cl0/Cl−1 redox kinetics. This synergistic architecture unlocks the potential of Li‐Cl2 secondary batteries with an unprecedented 1×106 mAh g−1 cumulative capacity, all‐climate resilience (–40°C to + 70°C), and 7.65
Minggang Xie, Keren Jiang, Xuehai Tan, Xuesong Xie, Zheng Cheng, Xianbin Meng, Yuxuan Xue, Yi Guan, Zhixuan Chen, Yifan Li, Renfei Feng, Zhi Li   +11 more
wiley   +1 more source

Chlorine‐Free Depolymerization of Commercial PMMA via Oxygen‐Centered Radicals

Angewandte Chemie, EarlyView.
A new chlorine‐free photothermal method enables sustainable recycling of plastics with C–C backbones under mild conditions. Driven by an oxygen‐centered radical pathway with ppm levels of anthraquinone catalyst, it eliminates hazardous chlorinated solvents, achieving an impressive 97% depolymerization conversion.
Chih‐Yin Lin, Stelios Andreou, Nethmi De Alwis Watuthanthrige, Hyun Suk Wang, Maria‐Nefeli Antonopoulou, Athina Anastasaki   +5 more
wiley   +1 more source

Decouple H2O2 Electrosynthesis From Microenvironmental Decomposition via Atomic Site Density Engineering

Angewandte Chemie, EarlyView.
Using defect‐rich Co‐N2O2 single‐atom catalysts as a model system, this work reveals that atomic site density governs the competition between H2O2 electrosynthesis and microenvironmental decomposition during 2e−‐ORR. Optimised site isolation suppresses HPRR and HDR, thereby establishing a site‐density principle to balance H2O2 formation and ...
Junwen Chen, Hongyu Zhou, Qiming Zhang, Shuang Zhong, Wei Ren, Lei Shi, Li Gao, Shaobin Wang, Xiaoguang Duan   +8 more
wiley   +1 more source

Electrochemically Triggered Supramolecular Polymerization Under Kinetic Control

Angewandte Chemie, EarlyView.
Chemical and electrochemical stimuli enable controlled supramolecular polymerization of perylene diimide–histidine (PDI–His). Redox processes mediate the transformation of kinetically trapped aggregates into thermodynamically stable nanofibers, thereby supporting seeded growth. This approach provides a strategy for regulating self‐assembly pathways and
Eun Gyu Lee, Jeongse Yun, Hyoung Wook Kang, Daeun Jung, Seung‐Ryong Kwon, Jong Hwa Jung, Sung Ho Jung   +6 more
wiley   +1 more source

The Role of Zn–Hf Site Proximity and Oxygen Vacancies for Methanol Formation Over ZnHfOx Catalysts Under CO2 Hydrogenation Conditions

Angewandte Chemie, EarlyView.
ZnHfOx catalysts enable highly selective hydrogenation of CO2 to methanol over a wide range of Zn contents, as the Zn‐VO‐Hf active motif (VO = oxygen vacancy) exists not only in solid solution‐type ZnHfOx for low Zn contents (≤ 35 mol%), but also as HfOx cluster/single atom decorated ZnO surfaces for Zn contents > 95 mol%.
Alexander Oing, Diana Piankova, Jean C. Villa‐Arpi, Muhammad Helmi Risansyauqi, Hector Prats, Felix Donat, Paula M. Abdala, Aleix Comas‐Vives, Christoph R. Müller   +8 more
wiley   +1 more source

Taming a Blue Gas—Structure and Chemistry of Hexafluorothioacetone

Angewandte Chemie International Edition, EarlyView.
Hexafluorothioacetone (1), a blue gas at r.t., was synthesized by flash vacuum pyrolysis of its cyclic dimer at 660°C. We discuss fundamental properties of elusive 1, including single‐crystal structure and nuclear magnetic resonance spectroscopy, despite its tendency to dimerize even at –74°C.
Hennes Günther, Antti J. Karttunen, Xiulan Xie, Frank Tambornino   +3 more
wiley   +1 more source

Biochar from co-pyrolysis of biological sludge and woody waste followed by chemical and thermal activation: end-of-waste procedure for sludge management and biochar sorption efficiency for anionic and cationic dyes. [PDF]

Environ Sci Pollut Res Int
Bakari Z, Fichera M, El Ghadraoui A, Renai L, Giurlani W, Santianni D, Fibbi D, Bruzzoniti MC, Del Bubba M.   +8 more
europepmc   +1 more source

Co-pyrolysis of Indonesian Biomass with a Plastic Mixture

Proceedings of the Annual Conference of Japan Society of Material Cycles and Waste Management
Priyanto, Fajar Eko, Kumagai, Shogo, Phanthong, Patchiya, Borjigin, Siqingaowa, Saito, Yuko, Yoshioka, Toshiaki   +5 more
openaire   +1 more source

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Bio-Oil Production Through Co-Pyrolysis and Catalytic Co-Pyrolysis of Oil Palm Trunk and Polypropylene

2022
Harvesting energy from biomass represents a sustainable approach to meet future energy demand as biomass is one of the largest renewable carbon sources. In Malaysia, aged oil palm trees are typically replanted after reaching 25-30 years old and oil palm trunks (OPT) can be abundantly collected from the replanting activities in palm oil plantations ...
Terry, L.M., Li, C., Chew, J.J., Aqsha, A., Khaerudini, D.S., Jie Wee, M.X., Saptoro, A., Sunarso, J.   +7 more
openaire   +1 more source

Co-Pyrolysis of Chicken and Cow Manure

Journal of Energy Resources Technology, 2020
Abstract Conventional pyrolysis is a relatively simple way for biochar production; however, a single biomass feedstock approach is not promising for the development of multiple properties of biochar used in various applications. This study provides a detailed comparison in terms of pyrolysis kinetics between the cow manure and chicken ...
Osama M. Selim, Ryoichi S. Amano
openaire   +1 more source