Modifying the Electrocatalyst-Ionomer Interface via Sulfonated Poly(ionic liquid) Block Copolymers to Enable High-Performance Polymer Electrolyte Fuel Cells [0.03%]
通过含磺酸基的聚离子液体嵌段共聚物来改变电催化剂-离子聚合物界面,实现高性能的聚合物电解质燃料电池
Yawei Li,Tim Van Cleve,Rui Sun et al.
Yawei Li et al.
Polymer electrolyte membrane fuel cell (PEMFC) electrodes with a 0.07 mgPt cm-2 Pt/Vulcan electrocatalyst loading, containing only a sulfonated poly(ionic liquid) block copolymer (SPILBCP) ionomer, were fabricated and achieved a ca. 2× enh...
Enrique H Balaguera,Juan Bisquert
Enrique H Balaguera
Halide perovskite materials have reached important milestones in the photovoltaic field, positioning them as realistic alternatives to conventional solar cells. However, unavoidable kinetic phenomena have represented a major concern for rel...
Ion Transport in (Localized) High Concentration Electrolytes for Li-Based Batteries [0.03%]
(Localized)高浓度电解质在锂基电池中的离子传输研究
Helen K Bergstrom,Bryan D McCloskey
Helen K Bergstrom
High concentration electrolytes (HCEs) and localized high concentration electrolytes (LHCEs) have emerged as promising candidates to enable higher energy density Li-ion batteries due to their advantageous interfacial properties that result ...
The Influence of Mesoscopic Surface Structure on the Electrocatalytic Selectivity of CO2 Reduction with UHV-Prepared Cu(111) Single Crystals [0.03%]
介观表面结构对超真空制备的Cu(111)单晶电催化CO2还原选择性的影响
Khanh-Ly C Nguyen,Jared P Bruce,Aram Yoon et al.
Khanh-Ly C Nguyen et al.
The key role of morphological defects (e.g., irregular steps and dislocations) on the selectivity of model Cu catalysts for the electrocatalytic reduction of CO2 (CO2RR) is illustrated here. Cu(111) single-crystal surfaces prepared under ul...
Microstrain and Crystal Orientation Variation within Naked Triple-Cation Mixed Halide Perovskites under Heat, UV, and Visible Light Exposure [0.03%]
裸露的三阳离子混合卤化物钙钛矿在热、紫外线和可见光照射下微应变和晶向变化的研究
Yuqin Zou,Johanna Eichhorn,Jiyun Zhang et al.
Yuqin Zou et al.
The instability of perovskite absorbers under various environmental stressors is the most significant obstacle to widespread commercialization of perovskite solar cells. Herein, we study the evolution of crystal structure and microstrain pr...
Electrochemical Impedance Spectroscopy of All-Perovskite Tandem Solar Cells [0.03%]
全钙钛矿串联太阳能电池的电化学阻抗谱分析
Bart Roose,Krishanu Dey,Melissa R Fitzsimmons et al.
Bart Roose et al.
This work explores electrochemical impedance spectroscopy to study recombination and ionic processes in all-perovskite tandem solar cells. We exploit selective excitation of each subcell to enhance or suppress the impedance signal from each...
Renewable Syngas Generation via Low-Temperature Electrolysis: Opportunities and Challenges [0.03%]
低温电解产生可再生合成气:机遇与挑战
Andrés Raya-Imbernón,Angelika A Samu,Stefan Barwe et al.
Andrés Raya-Imbernón et al.
The production of syngas (i.e., a mixture of CO and H2) via the electrochemical reduction of CO2 and water can contribute to the green transition of various industrial sectors. Here we provide a joint academic-industrial perspective on the ...
Advancing Fluoride-Ion Batteries with a Pb-PbF2 Counter Electrode and a Diluted Liquid Electrolyte [0.03%]
使用Pb-PbF2反电极和稀液电解质推进氟离子电池发展
Giulia Galatolo,Omar Alshangiti,Camilla Di Mino et al.
Giulia Galatolo et al.
Fluoride ion batteries (FIB) are a promising post lithium-ion technology thanks to their high theoretical energy densities and Earth-abundant materials. However, the flooded cells commonly used to test liquid electrolyte FIBs severely affec...
Effect of Antisolvent Additives in Aqueous Zinc Sulfate Electrolytes for Zinc Metal Anodes: The Case of Acetonitrile [0.03%]
水性硫酸锌电解液中反溶剂添加剂对锌金属阳极的影响:以丙腈为例
Stefan Ilic,Michael J Counihan,Sydney N Lavan et al.
Stefan Ilic et al.
Aqueous zinc-ion batteries (ZIBs) employing zinc metal anodes are gaining traction as batteries for moderate to long duration energy storage at scale. However, corrosion of the zinc metal anode through reaction with water limits battery eff...
Erin L Ratcliff,Zhiting Chen,Casey M Davis et al.
Erin L Ratcliff et al.
Polymer semiconductors are fascinating materials that could enable delivery of chemical fuels from water and sunlight, offering several potential advantages over their inorganic counterparts. These include extensive synthetic tunability of ...