Results 71 to 80 of about 9,149 (206)

Discovery of Some New Heterocyclic Systems from Carbene‐Based Reactions of Indigo and N‐Methyl Derivatives

European Journal of Organic Chemistry, Volume 28, Issue 46, December 12, 2025.
Accessing new heterocyclic structural space on exposure of indigo‐based substrates to carbene or carbenoid reactive intermediates is the key focus of this work. A number of unprecedented heterocyclic products have been discovered and their structures characterized.
Sarfaraz Ali Ghumro, Matthew J. Perry, Christopher Richardson, Stephen G. Pyne, John B. Bremner, Paul A. Keller   +5 more
wiley   +1 more source

An Improved Tank in Series Model for the Direct Methanol Fuel Cell

International Journal of Electrochemistry, 2011
This study presents an improved TSR model for Direct Methanol Fuel Cell (DMFC) with mass and energy balance equations taking into account gas evolution in the anode channels.
Valery A. Danilov, Joeri Denayer, Il Moon   +2 more
doaj   +1 more source

Performance of passive Direct Methanol Fuel Cell: modelling and experimental studies

U.Porto Journal of Engineering, 2015
Low methanol and water crossover with high methanol concentrations are essential requirements for a passive Direct Methanol Fuel Cell (DMFC) to be used in portable applications.
Beatriz A. Berns, Mariana F. Torres, Vânia B. Oliveira, Alexandra M. F. R. Pinto   +3 more
doaj   +1 more source

A Portable Direct Methanol Fuel Cell Power Station for Long-Term Internet of Things Applications

Energies, 2020
With regard to the best electro-chemical efficiency of an active direct methanol fuel cell (DMFC), the stacks and their balance of plant (BOP) are complex to build and operate. The yield of making the large-scale stacks is difficult to improve. Therefore,
Chung-Jen Chou, Shyh-Biau Jiang, Tse-Liang Yeh, Li-Duan Tsai, Ku-Yen Kang, Ching-Jung Liu   +5 more
doaj   +1 more source

Grain sedimentation inside giant planet embryos

, 2010
In the context of massive fragmenting protoplanetary discs, Boss (1998) suggested that grains can grow and sediment inside giant planet embryos formed at R ~ 5 AU away from the star. Several authors since then criticised the suggestion.
Nayakshin, Sergei
core   +1 more source

Harnessing Photo‐Energy Conversion in Nanomaterials for Precision Theranostics

Advanced Materials, Volume 37, Issue 48, December 3, 2025.
Harnessing photo‐energy conversion in nanomaterials enables precision theranostics through light‐driven mechanisms such as photoluminescence, photothermal, photoelectric, photoacoustic, photo‐triggered surface‐enhanced Raman scattering (SERS), and photodynamic processes. This review explores six fundamental principles of photo‐energy conversion, recent
Jingyu Shi, Yadi Fan, Qin Zhang, Yingying Huang, Mo Yang   +4 more
wiley   +1 more source

Performance Degradation Analysis of DMFC Under Different Operating Conditions Based on Relaxation Times

Shanghai Jiaotong Daxue xuebao
To investigate the performance degradation characteristics of direct methanol fuel cell (DMFC) under two different operating conditions, the worldwide harmonized light vehicle test cycle (WLTC) and China light vehicle test cycle (CLTC), a combined method
WANG Yangda, WANG Jianguo, LIAN Guan, ZHANG Dacheng
doaj   +1 more source

Enhancement of Hybrid SPEEK Based Polymer–Cyclodextrin-Silica Inorganic Membrane for Direct Methanol Fuel Cell Application

International Journal of Renewable Energy Development, 2017
Direct methanol fuel cell (DMFC) is one of several types of fuel cells that use proton exchange membrane  (PEM) as a liaison between the reaction at the cathode and anode.
Tutuk Djoko Kusworo, Muhammad Fahmi Hakim, H Hadiyanto   +2 more
doaj   +1 more source

Recent Progress in CO2 Conversion: An Overview of Catalytic Strategies for Sustainable Fuel and Chemical Synthesis

SmartMat, Volume 6, Issue 6, December 2025.
This review systematically outlines recent advances in the catalytic strategies for converting CO₂ into valuable products, including photocatalysis, electrocatalysis, CO2 hydrogenation, photothermal catalysis, non‐thermal plasma, and biocatalytic processes.
An Zhang, Yanming Cai, Liang Guo, Chao Wang, Qingbo Wa, Yanping Xu, Jian Zhou, Hongshuang Fan, Ziyun Li, Xinyue Long, Jiabei Tang, Zijian Li, Li Zhai, Zhenyu Shi, Wei Zhai, Yuhui Tian, Shuai Bi, Hao Wei, Mingliang Hu, Yang Xu, Yiran Zhang, Yu Zhang, Ruiying Ding, Junjun Li, Shuangqun Chen, Jianfeng Huang, Zhanxi Fan, Xingchen Jiao, Guigao Liu, Haiqing Wang, Haifeng Tian, Jingyu Pang, Kuncheng Zhang, Weisong Liu, Huijuan Cui, Lingling Zhang, Xiaofu Sun, Jianling Zhang, Dan Ren, Sheng Zhang, Lu Qiao, Zhe Weng, Hongmei Li, Min Liu, Miao Zhong, Lei Wang, Jun Gu, Hao Bin Wu, Bolong Huang, Weijia Zhou, Chuan Xia, Min‐Rui Gao, Changbin Zhang, Rong Cao, Wei Chen, Yuan‐Biao Huang, Yongye Liang, Ya‐Qian Lan, Guoxiong Wang, Baoyu Xia, Yujie Xiong, Xinbin Ma, Tongbu Lu, Jinhua Ye, Yi Xie, Buxing Han, Jiawei Liu, Zhicheng Zhang, Hua Zhang   +68 more
wiley   +1 more source

Recent Developments in Mems-Based Micro Fuel Cells [PDF]

, 2006
Micro fuel cells ($\mu$-FC) represent promising power sources for portable applications. Today, one of the technological ways to make $\mu$-FC is to have recourse to standard microfabrication techniques used in the fabrication of micro electromechanical ...
Gauthier-Manuel, B., Pichonat, T.
core   +4 more sources