A5061472836- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Electrocatalysts for Energy Conversion
- Advanced battery technologies research
- Advanced Photocatalysis Techniques
- Advanced Battery Technologies Research
- Extraction and Separation Processes
- CO2 Reduction Techniques and Catalysts
- Electrochemical Analysis and Applications
- Covalent Organic Framework Applications
- Gas Sensing Nanomaterials and Sensors
- Catalytic Processes in Materials Science
- Electrodeposition and Electroless Coatings
- Molecular Junctions and Nanostructures
- Copper-based nanomaterials and applications
- Spectroscopy and Quantum Chemical Studies
- Supercapacitor Materials and Fabrication
- Mass Spectrometry Techniques and Applications
- Perovskite Materials and Applications
- Lipid Membrane Structure and Behavior
- Nanomaterials for catalytic reactions
- Crystallization and Solubility Studies
- Electron and X-Ray Spectroscopy Techniques
- Thermal Radiation and Cooling Technologies
- Analytical Chemistry and Chromatography
National Taiwan University
2017-2025
Wuhan Ship Development & Design Institute
2025
Marine Design & Research Institute of China
2022-2024
National Synchrotron Radiation Research Center
2024
Anhui University of Science and Technology
2024
University of Illinois Urbana-Champaign
2014-2017
Argonne National Laboratory
2016-2017
Hokkaido University
2012-2015
Sapporo Science Center
2015
National Central University
2008-2011
Understanding the role of oxidation state Cu surface and surface-adsorbed intermediate species in electrochemical CO2 reduction is crucial for development selective CO2-to-fuel electrocatalysts. In this study, mechanism over catalysts with various states was studied by using situ surface-enhanced infrared absorption spectroscopy (SEIRAS), soft X-ray (Cu L-edge), online gas chromatography measurements. The atop-adsorbed CO (COatop) obtained on electrodeposited which primarily has Cu(I)....
In situ Raman spectroscopy and cyclic voltammetry were used to investigate the mechanism of sulfur reduction in lithium–sulfur battery slurry cathodes with 1 M lithium bis(trifluoromethane sulfonyl)imide (LiTFSI) tetraethylene glycol dimethyl ether (TEGDME)/1,3-dioxolane (DIOX) (1/1, v/v). shows that long-chain polysulfides (S82–) formed via S8 ring opening first process at ∼2.4 V vs Li/Li+ short-chain such as S42–, S4–, S3•–, S2O42– observed continued discharge ∼2.3 second process....
Acidic water electrolysis enables the production of hydrogen for use as a chemical and fuel. The acidic environment hinders on non-noble catalysts, result sluggish kinetics associated with adsorbate evolution mechanism, reliant it is four concerted proton-electron transfer steps. Enabling faster mechanism catalysts will help to further advance electrolysis. Here, we report evidence that doping Ba cations into Co3O4 framework form Co3-xBaxO4 promotes oxide path simultaneously improves...
Abstract Solar‐driven CO 2 reduction holds great promise for sustainable energy, yet the role of atomic active sites in governing intermediate formation and conversion remains poorly understood. Herein, a synergistic strategy using Ni single atoms (SAs) surface oxygen vacancies (O v ) is reported to regulate pathway on Bi WO 6 photocatalyst. Combining in‐situ techniques theoretical modeling, reaction mechanism structure‐activity relationship elucidated. In‐situ X‐ray absorption spectroscopy...
Efficient O2 reduction reaction (ORR) for selective H2O generation enables advanced fuel cell technology. Nonprecious metal catalysts are viable and attractive alternatives to state-of-the-art Pt-based materials that expensive. Cu complexes inspired by Cu-containing enzymes in nature yet reach their desired ORR catalytic performance. Here, the concept of mechanical interlocking is introduced ligand architecture enforce dynamic spatial restriction on coordination site. Interlocked catenane...
Manipulating electronic polarizations such as ferroelectric or spin has recently emerged an effective strategy for enhancing the efficiency of photocatalytic reactions. This study demonstrates control modulated by and magnetic approaches within a two-dimensional (2D) layered crystal copper indium thiophosphate (CuInP2S6) to boost reduction CO2. We investigate substantial influence polarization on CO2 efficiency, utilizing ferroelectric-paraelectric phase transition alignment through...
The lack of intrinsic active sites for photocatalytic CO
Li-S batteries are a promising next-generation battery technology. Due to the formation of soluble polysulfides during cell operation, electrolyte composition plays an active role in directing and speciation lithium polysulfides. Recently, new classes electrolytes termed "solvates" that contain stoichiometric quantities salt solvent form liquid at room temperature have been explored due their sparingly solvating properties with respect The viscosity solvate is understandably high limiting...
We evaluate hydrofluoroether (HFE) cosolvents with varying degrees of fluorination in the acetonitrile-based solvate electrolyte to determine effect HFE structure on electrochemical performance Li-S battery. Solvates or sparingly solvating electrolytes are an interesting choice for battery due their low polysulfide solubility. The a stoichiometric ratio LiTFSI salt acetonitrile, (MeCN)2-LiTFSI, exhibits limited solubility high concentration LiTFSI. demonstrate that addition highly...
An inorganic mesoporous MSTF⊥AAO separator with good wettability and straight nanopores exhibited ultra-stable lithium metal electrodeposition ability in Li batteries.
Tuning the electronic band structure of black titania to improve photocatalytic performance through conventional engineering methods has been challenging because defect-induced charge carrier and trapping sites. In this study, KSCN-modified hydrogenated nickel nanocluster-modified TiO2 (SCN–H–Ni–TiO2) exhibits enhanced CO2 reduction due interfacial dipole effect. Upon combining experimental theoretical simulation approach, presence an electrostatic associated with chemisorption SCN dramatic...
Revealing the active nature of oxide-derived copper is key importance to understand its remarkable catalytic performance during cathodic CO2 reduction reaction (CO2RR) produce valuable hydrocarbons. Using advanced spectroscopy, electron microscopy, and electrochemically surface area characterization techniques, electronic structure changes in morphology/roughness thermally oxidized thin films were revealed CO2RR. For this purpose, we developed an situ cell for X-ray spectroscopy that could...
Abstract Li‐rich layered oxide cathodes with conventional transition metal cation and unique oxygen anion redox reactions deliver high capacities in Li‐ion batteries. However, the process causes release, voltage fading/hysteresis, sluggish electrochemical kinetics, which undermine performance of these materials. By combining operando quick‐scanning X‐ray absorption spectroscopy online gas chromatography, effect local electronic structure is elucidated on reaction mechanism kinetics cathodes....
The phase transition behaviors of a supported bilayer dipalmitoylphosphatidyl-choline (DPPC) have been systematically evaluated by in situ sum frequency generation (SFG) vibrational spectroscopy and atomic force microscopy (AFM). By using an asymmetric composed per-deuterated per-protonated monolayers, i.e., DPPC-d75/DPPC symmetric DPPC/DPPC, we were able to probe the molecular structural changes during process lipid SFG spectroscopy. It was found that DPPC is sequentially melted from top...
Net-zero carbon strategies and green synthesis methodologies are key to realizing the United Nations' sustainable development goals (SDGs) on a global scale. An electrocatalytic glycerol oxidation reaction (GOR) holds promise of upcycling excess from biodiesel production directly into precious hydrocarbon commodities that worth orders magnitude more than feedstock. Despite years research GOR, process nanoscale electrocatalysts still involves (1) prohibitive heat input, (2) expensive vacuum...
Structural flexibility is a critical issue that limits the application of metal-organic framework (MOF) membranes for gas separation. Herein we propose mixed-linker approach to suppress structural CAU-10-based (CAU = Christian-Albrechts-University) membranes. Specifically, pure CAU-10-PDC display high separation performance but at same time are highly unstable CO2/CH4. A partial substitution (30 mol.%) linker PDC with BDC significantly improves its stability. Such an also allows decreasing...
Abstract Double‐atom site catalysts (DASs) have emerged as a recent trend in the oxygen reduction reaction (ORR), thereby modifying intermediate adsorption energies and increasing activity. However, lack of an efficient dual atom to improve activity durability has limited these from widespread application. Herein, nitrogen‐coordinated iron tin‐based DASs (Fe‐Sn‐N/C) catalyst are synthesized for ORR. This high with ORR half‐wave potentials (E 1/2 ) 0.92 V alkaline, which is higher than those...
Recently, rechargeable zinc-ion batteries (ZIBs) have gained a considerable amount of attention due to their high safety, low toxicity, abundance, and cost. Traditionally, composite manganese oxide (MnO2) conductive carbon having polymeric binder are used as positive electrode. In general, is employed bond all materials together prevent detachment dissolution the active materials. Herein, synthesis α-MnO2 nanowires on cloth via simple one-step hydrothermal process its electrochemical...
Lithium metal anode material suffers from the formation of a dendritic structure and manufacturing difficulties in Li batteries. Although anode-free lithium batteries (AFLMBs) have received broad interest due to their high energy density easy fabrication, controlling morphology electrodeposited is challenging. In this work, we report on use mesoporous silica thin films (MSTFs) with perpendicular nanochannel (pore size ∼6 nm) stacking stainless steel (SS) substrate as MSTF⊥SS for advancing...