Results 81 to 90 of about 13,242 (336)

Waste products from the steel industry with NiO as additive as oxygen carrier for chemical-looping combustion [PDF]

, 2009
Fe2O3-containing waste materials from the steel industry are proposed as oxygen carrier for chemical-looping combustion. Three such materials, red iron oxide, brown iron oxide and iron oxide scales, have been examined by oxidation and reduction ...
Cleverstam, Erik, Lyngfelt, Anders, Mattisson, Tobias, Rydén, Magnus   +3 more
core   +1 more source

Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots

Advanced Robotics Research, EarlyView.
Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley   +1 more source

Chemical Looping Combustion of Isopropanol in Aqueous Solution with Fabricated Fe2O3/Al2O3 and Fe2O3/Al2O3/TiO2 Oxygen Carriers

Aerosol and Air Quality Research, 2020
Iron-based oxygen carriers supported on alumina or alumina/titania were fabricated and evaluated for chemical looping combustion of isopropanol (IPA). Hydrogen is the major combustible gas generated by IPA decomposition prior to combustion with oxygen ...
Hsuan-Chih Wu, Young Ku
doaj   +1 more source

Experimental evaluation of a Chinese sulfur-containing lean iron ore as the oxygen carrier for chemical-looping combustion [PDF]

, 2016
A series of chemical-looping combustion (CLC) tests were conducted in a thermogravimetric analysis (TGA) reactor to investigate the potential of a Chinese sulfur-containing lean iron ore as the oxygen carrier. Two main products of solidfuel pyrolysis and
Baosheng Jin, Chenggong Sun, Colin E. Snape, Fan L. S., Hao Liu, Jie Zhao, Lyngfelt A., Xiaojia Wang   +7 more
core   +2 more sources

An Advanced High‐Performance Ultrafast Ammonium‐Ion Aqueous Battery Based on Dual‐Metal Redox Open Framework Molecular Magnet

Advanced Science, EarlyView.
The Prussian Blue Analogue molecular magnet KMnFeHCF is demonstrated as a high‐performance cathode for ultra‐fast aqueous ammonium‐ion batteries. A full cell using KMnFeHCF and graphite delivers ~71 mAh g−1 at 1.25 A g−1 and ~51 mAh g−1 at 2.2 A g−1, retaining 50% capacity after 1850 cycles. Its scalability, cycling stability, and low cost offer strong
Nilasha Maiti, Pramod Bhatt, Manoj K Sharma, Sher Singh Meena, Mayuresh D Mukadam, Soumen Samanta   +5 more
wiley   +1 more source

Energy exploitation of acid gas with high H2S content by means of a chemical looping combustion system [PDF]

, 2014
In gas and petroleum industry, the waste gas stream from the sweetening process of a sour natural gas stream is commonly referred as acid gas. Chemical Looping Combustion (CLC) technology has the potential to exploit the combustible fraction of acid gas,
Abad Secades, Alberto, Adánez Elorza, Juan, Cabello Flores, Arturo, Diego Poza, Luis F. de, García Labiano, Francisco, Gayán Sanz, Pilar, Sprachmann, Gerald   +6 more
core   +1 more source

Modification Strategies of Carbon‐Based Electrodes From Structural Regulation to Multifunctional Integration

Advanced Science, EarlyView.
Tracing the evolution from structural regulation to multifunctional integration, this paper systematically analyzes modification strategies for carbon‐based electrodes. It evaluates how element doping, surface functionalization, and composite material design affect the electrode performance, and offers perspectives on future applications and challenges
Yunlei Wang, Shitao Dou, Yifan Wu, Mingguang Wang, Taibin Wu   +4 more
wiley   +1 more source

Combined Oxides of Iron, Manganese and Silica as Oxygen Carriers for Chemical-Looping Combustion [PDF]

, 2014
Spray-dried particles with the chemical compositions of Fe0.66Mn1.33SiO3 and FeMnSiO3 have been examined as oxygen carrier materials for chemical-looping combustion.
Hallberg, Peter, Källen, Malin, Lyngfelt, Anders, Mattisson, Tobias, Rydén, Magnus   +4 more
core   +1 more source

Microwave Ultrafast Heating on Iron‐based Nanogap Catalysts for CO2 Reduction Coupling with Coke Removal

Advanced Science, EarlyView.
This study employs a nanogap‐induced microwave discharge strategy to pretreat coke deposits on iron‐based catalysts with engineered nanogaps, causing ultrarapid heating to 1990 K within seconds, selectively eliminating >70% surface carbon deposits and converting waste plastics and greenhouse gases into syngas.
Xi Shen, Zhenyu Zhao, Jinsong Zhang, Hong Li, Xin Gao   +4 more
wiley   +1 more source

Combined Cu/Mn Oxides as an Oxygen Carrier in Chemical Looping with Oxygen Uncoupling (CLOU) [PDF]

, 2013
This study investigates the O2 uncoupling properties of five different oxygen carrier particles, consisting of combined oxides of CuO and Mn3O4. The oxygen carriers were produced by freeze granulation followed by calcination at 950 °C for 6 h.
Leion, Henrik, Mattisson, Tobias, Mohammad Pour, Nasim, Rydén, Magnus   +3 more
core   +1 more source