Inverted J- V Hysteresis in Perovskite Solar Cells: Insights from Photovoltaic Quantum Efficiency [0.03%]
钙钛矿太阳能电池中的V形J-V回滞现象：来自光伏量子效率的见解
Miguel Torre Cachafeiro,Carys A Worsley,Fuxiang Ji et al.
Miguel Torre Cachafeiro et al.
The most typical hysteresis in the current density-voltage (J-V) curve of perovskite solar cells (PSCs) shows better performance in the backward (BW) than in the forward (FW) voltage scan (normal hysteresis). The opposite, where the FW scan...
DMSO-Free Processing of Tin-Lead Perovskite Thin Films for Solar Cells with Enhanced Stability [0.03%]
无DMSO处理的锡-铅钙钛矿太阳能电池薄膜提升稳定性的研究
Isabella Poli,Mirko Prato,Hui Li et al.
Isabella Poli et al.
The stability of Sn-Pb perovskite semiconductors thin films remains a major challenge for their integration into efficient and durable photovoltaic devices. In this work, we demonstrate that the incorporation of methylammonium chloride (MAC...
Pressure-Aware Operando X‑ray Methods Reveal True Mechanistic Pathways in Solid-State Batteries [0.03%]
压力感知原位X射线方法揭示固态电池中的真实机制路径
Hung Quoc Nguyen,Juraj Todt,Dragos Stoian et al.
Hung Quoc Nguyen et al.
Operando studies of solid-state batteries (SSBs) must capture device-relevant stack pressure and temperature, since uncontrolled conditions can cause relaxation artifacts and lead to false mechanistic interpretations. To address this, we de...
Abasi Abudulimu,Xiaoming Wang,Tyler Brau et al.
Abasi Abudulimu et al.
Defect recombination limits wide-gap Se-based chalcogenide devices, yet how chloride activation reshapes radiative pathways remains unclear. Here we show that a 40 min CdCl2 anneal converts evaporated CdSe from porous nanograins into dense ...
Minimizing the Influence of Metal Contaminations for the Alkaline Hydrogen Evolution Reaction on Platinum [0.03%]
铂上碱性条件下金属杂质对析氢反应影响的降低措施
Karen van den Akker,Hassan Javed,Julia Fernández-Vidal et al.
Karen van den Akker et al.
The kinetics of alkaline water reduction on Pt can be strongly affected by the accumulation of impurities on the surface. Here, we demonstrate that such impurity effects can play a role even when the highest purity, pretreated NaOH electrol...
Harnessing Quantum Computing for Energy Materials: Opportunities and Challenges [0.03%]
量子计算在能源材料领域的机遇与挑战
Seongmin Kim,In-Saeng Suh,Travis S Humble et al.
Seongmin Kim et al.
Developing high-performance materials is critical for diverse energy applications to increase efficiency, improve sustainability and reduce costs. Classical computational methods have enabled important breakthroughs in energy materials deve...
Microscopic Mechanisms of Superionic Na-ion Conductivity in Crystalline and Amorphous NaMOCl4 (M = Nb, Ta) Solid Electrolytes [0.03%]
晶态和非晶态NaMOCl4(M = Nb，Ta)固体电解质中超离子导电的微观机制研究
Grace Wei,Luca Binci,Gerbrand Ceder
Grace Wei
Sodium-ion solid electrolytes offer a sustainable route toward next-generation batteries, but few match the performance of their lithium counterparts. Halide-based NaMOCl4 (M = Nb, Ta) has recently emerged as a promising analogue to LiMOCl4...
Understanding the Role of Triple Phase Boundaries on Coating-Free Solid-State Cathodes [0.03%]
探究三相界在无涂层固态电池正极中的作用
Longlong Wang,Bingkun Hu,Christopher Doerrer et al.
Longlong Wang et al.
Sulfide solid electrolytes have high ionic conductivities necessary to achieve high-rate solid-state cathodes at room temperature and low pressure. Cathode active materials generally require coatings to avoid deleterious oxidative decomposi...
Local Variations in Current Density and Selectivity in CO2 Electrolyzers [0.03%]
二氧化碳电解槽中的电流密度和选择性局部变化
Pedro Arias Villaroel,Egon Kecsenovity,Csaba Janáky
Pedro Arias Villaroel
As CO2 electrolysis emerges as a key technology for industrial decarbonization, scaling from lab to industrial systems introduces challenges beyond increasing the active area or the CO2 feed rate. Larger reactors often exhibit spatial inhom...
Front-Surface Potential of Platinized p‑InP Photocathodes Probed by Dual-Working-Electrode Measurements [0.03%]
双工作电极测量探测的Pt修饰p型InP光电阴极表面势
Weilai Yu,Nathan S Lewis
Weilai Yu
The front-surface potential (E fr) of p-InP/Pt photocathodes performing the hydrogen-evolution reaction has been probed under operating conditions using a dual-working-electrode (DWE) method. The DWE data are consistent with expectations fo...