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2篇 您的检索式:作者名="Timo Jacob"
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1Progress of fundamental mechanism of formic acid decomposition and electrooxidation显示文摘Formic acid(HCOOH) is considered as a promising viable fuel-cell ingredient for low temperature proton-exchange membrane fuel cells as a consequence of their high safety and energy density. As one prototype reaction, the study of HCOOH decomposition and electrooxidation is also helpful to understand the reaction mechanism of other small molecular organics. Herein, we present a comprehensive overview of HCOOH decomposition and electrooxidation in different environment conditions and analyze the reaction mechanism from both experimental and theoretical point of view. Furthermore, we discuss the known strategies for improving the performance of HCOOH decomposition and electrooxidation catalysts. Finally, this review presents a prospect for the future study of HCOOH decomposition and electrooxidation.Xin Liu Timo Jacob Wang Gao 2022Journal of Energy Chemistry2022,31,7:0
2Sulfurized-polyacrylonitrile in lithium-sulfur batteries:Interactions between undercoordinated carbons and polymer structure under low lithiation显示文摘Lithium-sulfur battery(LSB)represents an important candidate to be used in energy storage applications,due to its high specific capacities.Sulfurized-polyacrylonitrile(SPAN)is a candidate as a host material in LSB to replace graphite,due to its ability to chemisorb polysulfides(PSs).The sulfur chains attached to the polymer can reversibly form Li2S,and SPAN indicates to have a good cyclability and better performance than graphite,thus,SPAN acts partially as an active and also as a host material.In this study,we investigated the capacity of the solvent or the SPAN to lose a hydrogen atom from the backbone,to predict possible anodic reactions between solvent and host material.The simulation suggests that the photophilic salts may preferentially react with the solvent,and possibly building a cathode electrolyte interphase(CEI).We observed that an undercoordinated carbon(C_(uc))can be thermodynamically created,due to lithiation.The Cuccan react with the solvent on the polymer backbone through different mechanisms,however,the simulations indicated that the reaction should be affected by the interaction between the solvent and C_(uc),according to SPAN’s configuration.Moreover,C_(uc)reacts with long sulfur chains attached to SPAN,capturing sulfur and forming a C-S bond.A sulfur chain from one SPAN can connect to another polymer backbone,however,this process is affected by lithiation and vice-versa.Therefore,this work also investigates the formation of interconnected SPAN structures and the multiple C_(uc)effects.Samuel Bertolini Timo Jacob 2022Journal of Energy Chemistry2022,31,3:0
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