Results 91 to 100 of about 60,092 (339)

Aqueous Zinc‐Based Batteries: Active Materials, Device Design, and Future Perspectives

Advanced Energy Materials, EarlyView.
This review conducts a comprehensive analysis of aqueous zinc‐based batteries (AZBs) based on their intrinsic mechanisms, including redox reactions, ion intercalation reactions, alloying reactions, electrochemical double‐layer reactions, and mixed mechanisms, systematically discussing recent advancements in each type of AZBs.
Yan Ran, Fang Dong, Shuhui Sun, Yong Lei
wiley   +1 more source

Mitigating Thermal Runaway in Lithium Metal Batteries With Flame‐Retardant Magnesium Hydroxide Nanocomposite Gel Electrolytes

Advanced Energy Materials, EarlyView.
Lithium‐ion batteries are ubiquitous but pose significant safety risks especially with high‐energy‐density electrode materials. This study reports a nanocomposite gel electrolyte (NGE) with a flame‐retardant magnesium hydroxide (MH) matrix, which offers robust mechanical properties, high ionic conductivity, and enhanced thermal safety.
Cory M. Thomas, Yongkwon Song, Nathaniel Hiott, Anushka Dasgupta, Tobin J. Marks, Mark C. Hersam   +5 more
wiley   +1 more source

Exploration of Engine Parameters for Emission Reduction in Gasoline-Ethanol Fueled Engines

Automotive Experiences
The main objective of this study is to develop spark ignition engine parameters that allow complete combustion while reducing dependence on fossil fuels. To achieve this goal, optimization of compression ratio, gasoline-ethanol mixture, ignition timing,
Wawan Purwanto, Hasan Maksum, Ahmad Arif, Muji Setiyo, Sujito Sujito, Kathleen Ebora Padrigalan   +5 more
doaj   +1 more source

Safety of Sodium‐Ion Batteries: Evaluation and Perspective from Component Materials to Cells, Modules, and Packs

Advanced Energy Materials, EarlyView.
This review provides a bottom‐up evaluation of sodium‐ion battery safety, linking material degradation mechanisms, cell engineering parameters, and module/pack assembly. It emphasizes that understanding intrinsic material stability and establishing coordinated engineering control across hierarchical levels are vital for preventing degradation coupling ...
Won‐Gwang Lim, Seoa Kim, Erik A. Wu, Darren H. S. Tan, Shawn Peng, Xiaolin Li   +5 more
wiley   +1 more source

Numerical Simulation of Gliding Arc Plasma-Assisted Ignition and Combustion in Afterburner Combustor

Aerospace
The ignition and combustion characteristics of the afterburner directly affect the engine performance. In this study, a numerical simulation model was created for both the novel gliding arc assisted combustion system and the conventional spark plug ...
Zecheng Li, Yong Liang, Xing Zheng, Zhibo Zhang, Yun Wu   +4 more
doaj   +1 more source

Free-piston Stirling hydraulic engine and drive system for automobiles [PDF]

The calculated fuel economy for an automotive free piston Stirling hydraulic engine and drive system using a pneumatic accumulator with the fuel economy of both a conventional 1980 spark ignition engine in an X body class vehicle and the estimated fuel ...
Beremand, D. G., Miao, D., Nussle, R. C., Slaby, J. G.   +3 more
core   +1 more source

Wearable Thermoelectric Generators for In Vivo Modulation of Insulin Release

Advanced Energy Materials, EarlyView.
This work presents a wearable, self‐powered thermoelectric system (IGNITE) that sustainably harvests body heat to electrically stimulate engineered human cells for insulin release. Operating autonomously without batteries, IGNITE achieves glycemic control in diabetic mice, demonstrating a significant advance in bioelectronic medicine and setting the ...
Debasis Maity, Jinbo Huang, Martin Fussenegger   +2 more
wiley   +1 more source

Development of a spark discharge model for predicting ignition stability in high EGR conditions in SI engines

Nihon Kikai Gakkai ronbunshu
Recently, EGR (Exhaust Gas Recirculation) combustion has been used to enhance the thermal efficiency of internal combustion engines. However, EGR combustion causes ignition instability, leading to increased cycle-to-cycle combustion variability and ...
Ryo ADACHI, Kunihiko SUGANUMA, Kenji KOIWA, Shinji NAKAYA, Fangsi REN   +4 more
doaj   +1 more source

Combustion Optimization in Spark Ignition Engines

The publications of the MultiScience - XXXI. MicroCAD International Scientific Conference, 2017
{"references": ["978-963-358-132-2"]}
Barhm Mohamad, Gabor Szebesi, Bollo, Betti   +2 more
openaire   +1 more source

Powertrain of in-line five-cylinder spark ignition engine [PDF]

, 2008
V úvodu práce je uvedeno základní rozdělení zážehových motorů a fáze činnosti zážehových motorů. Vlastní práce obsahuje výpočet termodynamického cyklu a výpočet maximálního tlaku ve válci, navrhnutí základních rozměrů pístní skupiny a pevnostní kontrola ...
Smetana, Roman
core