Results 131 to 140 of about 1,153,504 (344)

Novel Zwitterionic Polyurethane‐in‐Salt Electrolytes with High Ion Conductivity, Elasticity, and Adhesion for High‐Performance Solid‐State Lithium Metal Batteries

Advanced Energy Materials, EarlyView.
A novel zwitterionic polyurethane‐in‐salt electrolyte (zPU‐SPE) is developed, achieving high ionic conductivity (3.7 × 10⁻⁴ S cm−1 at 25 °C), superior adhesion to lithium metal, and exceptional elasticity. This innovative electrolyte enables stable solid‐state lithium metal batteries, demonstrating excellent cycling stability, strong interfacial ...
Kun Wang, Volodymyr Koverga, Namrata Maslekar, Fukang Wu, Robert Kuphl, Xingyi Lyu, Piyush Deshpande, Hanzeng Guo, Hyang Seol, Wade Degraff, Jennifer L. Schaefer, Chengcheng Fang, Tao Li, Gang Cheng, Anh T. Ngo, Sangil Kim   +15 more
wiley   +1 more source

In‐Situ Constructing Eosin Y Sensitized Cs2PtSnCl6 Perovskites for Enhanced Photocatalytic Hydrogen Evolution

Advanced Energy Materials, EarlyView.
An innovative in situ synthesis method to construct EY‐Cs2PtSnCl6 material for photocatalytic HER has been designed. The EY‐Cs2PtSnCl6 achieved an impressive HER rate of 17.6 mmol g−1 h−1 in aqueous solution. The strong interactions between EY and Cs2PtSnCl6 are crucial for enhanced activity.
Jin Wang, Siyu He, Meng Zhang, Fa Yang, Qiaowen Zhang, Zhengquan Li, Marc Robert   +6 more
wiley   +1 more source

Toward Complete CO2 Electroconversion: Status, Challenges, and Perspectives

Advanced Energy Materials, EarlyView.
Electrocatalytic CO2 reduction and CO2 batteries face challenges in achieving complete CO2 conversion with high conversion rates and Faradaic efficiency simultaneously. Existing systems compromise one for the other with incomplete CO2 conversion and inefficiencies, hindering practical applications. This perspective highlights state‐of‐the‐art progress,
Changfan Xu, Ping Hong, Yulian Dong, Marc Robert, Guosheng Shao, Yong Lei   +5 more
wiley   +1 more source

Lower bounds for the blow-up time of nonlinear parabolic problems with Robin boundary conditions

Electronic Journal of Differential Equations, 2014
In this article, we find a lower bound for the blow-up time of solutions to some nonlinear parabolic equations under Robin boundary conditions in bounded domains of R^n.
Khadijeh Baghaei, Mahmoud Hesaaraki
doaj  

Lorentzian Robin Universe

Journal of High Energy Physics
In this paper, we delve into the gravitational path integral of Gauss-Bonnet gravity in four spacetime dimensions, in the mini-superspace approximation.
Manishankar Ailiga, Shubhashis Mallik, Gaurav Narain   +2 more
doaj   +1 more source

Quantitative Spectral Stability for the Robin Laplacian [PDF]

arXiv
This paper deals with eigenelements of the Laplacian in bounded domains, under Robin boundary conditions, without any assumption on the sign of the Robin parameter. We quantify the asymptotics of the variation of simple eigenvalues under the singular perturbation produced by removing a shrinking set and imposing the same Robin condition on its boundary.
arxiv  

Harnessing Solar Energy for Ammonia Synthesis from Nitrogen and Seawater Using Oxynitride Semiconductors

Advanced Energy Materials, EarlyView.
In this work, the challenging green ammonia evolution is addressed by developing a photothermal system that utilizes nitrogen and natural seawater under simulated solar irradiation, employing ruthenium‐doped barium tantalum oxynitride semiconductors.
Yiyang Li, Mengqi Duan, Simson Wu, Robert A. Taylor, Shik Chi Edman Tsang   +4 more
wiley   +1 more source

Scandium Induced Structural Disorder and Vacancy Engineering in Li3Sb – Superior Ionic Conductivity in Li3−3xScxSb

Advanced Energy Materials, EarlyView.
A superionic conductivity of 42 mS cm−1 at 298 K is reported for Li2.55Sc0.15Sb, which exceeds the highest ionic conductivity reported for a solid Li‐ion conductor to date by 10 mS cm−1. In the series Li3−3xScxSb (0 < x ≤ 0.15), the gradual incorporation of Sc facilitates vacancy formation, converting pristine Li3Sb from an electrical to an ionic ...
Jingwen Jiang, Tobias Kutsch, Wilhelm Klein, Manuel Botta, Anatoliy Senyshyn, Robert J. Spranger, Volodymyr Baran, Leo van Wüllen, Hubert A. Gasteiger, Thomas F. Fässler   +9 more
wiley   +1 more source

A Faber-Krahn inequality for the Laplacian with drift under Robin boundary condition [PDF]

arXiv
We prove a Faber-Krahn inequality for the Laplacian with drift under Robin boundary condition, provided that the $\beta$ parameter in the Robin condition is large enough. The proof relies on a compactness argument, on the convergence of Robin eigenvalues to Dirichlet eigenvalues when $\beta$ goes to infinity, and on a strict Faber-Krahn inequality ...
arxiv  

The Laplace operator on the Sierpinski gasket with Robin boundary conditions [PDF]

arXiv, 2015
We study the Laplace operator on the Sierpinski gasket with nonlinear Robin boundary conditions. We show that for certain Robin boundary conditions the Laplace operator generates a positive, order preserving, $L^\infty$-contractive semigroup which is sandwiched (in the sense of domination) between the semigroups generated by the Dirichlet-Laplace ...
arxiv