Results 61 to 70 of about 3,906 (255)

Sustainable levulinic acid production from inulin via hydrothermal conversion

Biofuels, Bioproducts and Biorefining, EarlyView.
Abstract This study investigates the hydrothermal conversion of inulin using potassium pyrosulfate to levulinic acid (LA). The Box–Behnken design approach was applied to optimize the conversion parameters and analyze the interactions influencing LA yield.
Gwi‐Taek Jeong
wiley   +1 more source

Thermal energy storage materials for suppressing thermal runaway propagation in lithium-ion batteries: a review [PDF]

EES Batteries
Thermal runaway propagation in lithium-ion batteries is a major factor leading to fires and explosions in energy storage systems. Thermal energy storage materials, especially phase change materials and thermochemical storage materials, demonstrate ...
Xinyu Zhang, Lizhi Zhang, Zhengguo Zhang, Ziye Ling   +3 more
doaj   +1 more source

Thermodynamic Efficiency of Water Vapor/Solid Chemical Sorption Heat Storage for Buildings: Theoretical Limits and Integration Considerations

Applied Sciences, 2020
The theoretical limits of water sorbate-based chemical sorption heat storage are investigated in this study. First, a classification of thermochemical heat storage is proposed based on bonding typology. Then, thermodynamics of chemical solid/gas sorption
Frédéric Kuznik, Kévyn Johannes
doaj   +1 more source

Engineering Biochar‐Derived Functional Materials for High‐Performance Supercapacitors: Design Principles, Mechanisms, and Scalable Strategies

Carbon Energy, EarlyView.
ABSTRACT Biochar has emerged as a useful and adaptable source of carbon for supercapacitor electrodes. Its value comes from the way biomass chemistry, thermal conversion, and activation conditions shape the resulting pore network, surface groups, and degree of carbon ordering.
Soumen Mandal, Avinash C. Mendhe, Mayna Roy, Neha S. Barse, Taejoon Park, Han‐Seung Lee, Haigun Lee   +6 more
wiley   +1 more source

Investigation on Long Term Operation of Thermochemical Heat Storage with MgO-Based Composite Honeycombs

Energies, 2019
The efficient storing and utilizing of industrial waste heat can contribute to the reduction of CO2 and primary energy. Thermochemical heat storage uses a chemical and/or an adsorption-desorption reaction to store heat without heat loss.
Jae Yong Lee, Taesu Yim, Hyouck Ju Kim, Sungkook Hong, Doo Won Seo, Hong Soo Kim   +5 more
doaj   +1 more source

Photothermal CO2 Hydrogenation: Reactions, Mechanisms, and Catalyst Design

Carbon Energy, EarlyView.
Reactions, mechanisms, and catalyst design for photothermal CO2 hydrogenation. ABSTRACT Photothermal CO2 hydrogenation has attracted extensive attention because it provides a green and sustainable approach to fuel and chemicals production. The photothermal catalyst plays a critical role in CO2 conversion through a range of reactions.
Shuai Yan, Yuting Wang, Wenhao Zhao, Jinqiang Zhang, Guangyao Chen, Lei Jiang, Yun Wang, Yingquan Chen, Xiong Zhang, Xianhua Wang, Kuo Zeng, Hongqi Sun, Shuxin Ouyang, Yonggang Yao, Haiping Yang, Hanping Chen   +15 more
wiley   +1 more source

Mixed Metal Oxide Systems Applied to Thermochemical Storage of Solar Energy: Benefits of Secondary Metal Addition in Co and Mn Oxides and Contribution of Thermodynamics

Applied Sciences, 2018
Thermochemical energy storage is promising for the long-term storage of solar energy via chemical bonds using reversible redox reactions. The development of thermally-stable and redox-active materials is needed, as single metal oxides (mainly Co and Mn ...
Laurie André, Stéphane Abanades, Laurent Cassayre   +2 more
doaj   +1 more source

New Zeolitic Imidazolate Framework‐Derived N‐Doped Carbon LiCl Composites for Sorption Thermal Batteries Utilizing Solar Energy

Carbon Energy, EarlyView.
New hierarchical ZIF‐derived nitrogen‐doped carbons (ZDCs) impregnated with LiCl are promising materials for sorption thermal batteries utilizing solar energy. This study examines the structural properties of ZDCs, the effect of LiCl loading, the enhancement of hydrothermal stability by nanoporous carbon, and the water adsorption properties of a series
Jan Marčec, Marija Švegovec, Matjaž Mazaj, Andraž Krajnc, Boštjan Genorio, Daniel Lager, Nataša Zabukovec Logar, Alenka Ristić   +7 more
wiley   +1 more source

Design of a MW-scale thermo-chemical energy storage reactor

Energy Reports, 2018
The reversible exothermic reaction of CaO with water is considered one of the most promising reactions for high temperature thermal energy storage. In this paper, a novel technical design of a MW-scale thermochemical energy storage reactor for this ...
Michael Angerer, Moritz Becker, Stefan Härzschel, Konstantin Kröper, Stephan Gleis, Annelies Vandersickel, Hartmut Spliethoff   +6 more
doaj   +1 more source

High Entropy–Driven Performance Enhancement in Perovskite Oxides for Energy Conversion and Storage Systems

Carbon Energy, EarlyView.
High‐entropy perovskite oxides enable tunable structures and properties through multi‐cation disorder and entropy stabilization. This review summarizes advances in synthesis, structural and defect engineering, and their applications in OER/ORR, CO2RR, and electrochemical energy storage, highlighting in situ characterization and modeling that clarify ...
Obeylaw Moyo, Jiaqiao Yang, Mingzhuang Liang, Hyunseung Kim, Wei Wang, Yong Beom Kim, Junxiong Zhang, WooChul Jung, Hainan Sun   +8 more
wiley   +1 more source