Shuanjin Wang
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View article: Well‐Miscible Polymer Blend Membranes from Branched Tröger's Base Polymer and Quaternized Polymer as Proton Exchange Membranes for High‐Temperature Fuel Cells
Well‐Miscible Polymer Blend Membranes from Branched Tröger's Base Polymer and Quaternized Polymer as Proton Exchange Membranes for High‐Temperature Fuel Cells Open
The development of high‐performance polymer electrolyte membrane is crucial for advancing high‐temperature proton exchange fuel cells (HT‐PEMFCs). For this purpose, a branched Tröger's base polymer (TPB‐BTB) is designed and synthesized fro…
View article: Remolding Water Content Effect on the Behavior of Frozen Clay Soils Subjected to Monotonic Triaxial Loading
Remolding Water Content Effect on the Behavior of Frozen Clay Soils Subjected to Monotonic Triaxial Loading Open
Understanding the mechanical behavior of frozen clay subgrade soils was essential for ensuring the safe and stable operation of transportation lines. However, the influence of remolding water content w on this behavior remained unclear. To…
View article: Ion‐Pair Interactions in Polyphenylene‐Based Quaternized Membranes Designed for Phosphoric Acid‐Doped Proton Exchange Membranes for High‐Temperature Fuel Cells
Ion‐Pair Interactions in Polyphenylene‐Based Quaternized Membranes Designed for Phosphoric Acid‐Doped Proton Exchange Membranes for High‐Temperature Fuel Cells Open
Phosphoric acid (PA)‐doped proton exchange membranes (PEMs) face significant challenges owing to the loss of PA, particularly under high humidity conditions. Ion‐pair interactions between PA and quaternary ammonium (QA) groups can effectiv…
View article: RLVER: Reinforcement Learning with Verifiable Emotion Rewards for Empathetic Agents
RLVER: Reinforcement Learning with Verifiable Emotion Rewards for Empathetic Agents Open
Large language models (LLMs) excel at logical and algorithmic reasoning, yet their emotional intelligence (EQ) still lags far behind their cognitive prowess. While reinforcement learning from verifiable rewards (RLVR) has advanced in other…
View article: Super Anti‐Water Permeability and High Toughness of CO₂‐Derived Polycarbonate Polyurethane via Copolymerization with Polydimethylsiloxane
Super Anti‐Water Permeability and High Toughness of CO₂‐Derived Polycarbonate Polyurethane via Copolymerization with Polydimethylsiloxane Open
Polycarbonate thermoplastic polyurethanes (TPUs) have gained popularity for their excellent mechanical properties and relatively good environmental tolerance. However, traditional petroleum‐based TPUs are heavily dependent on non‐renewable…
View article: High‐Molecular‐Weight Biodegradable CO<sub>2</sub>/Propylene Oxide/Epichlorohydrin Terpolymers with Outstanding Gas Barrier Performance Synthesized Using an Organoboron Catalyst
High‐Molecular‐Weight Biodegradable CO<sub>2</sub>/Propylene Oxide/Epichlorohydrin Terpolymers with Outstanding Gas Barrier Performance Synthesized Using an Organoboron Catalyst Open
As the sole commercial polycarbonate derived from CO 2 , poly(propylene carbonate) (PPC) is still hindered by poor thermal stability and a low glass transition temperature. Herein, first, the terpolymerization of CO 2 , propylene oxide (PO…
View article: High-temperature proton exchange membranes with tunable acidity of phosphonic acid groups by incorporating zwitterionic aromatic moieties
High-temperature proton exchange membranes with tunable acidity of phosphonic acid groups by incorporating zwitterionic aromatic moieties Open
The electrochemical performance and durability of high-temperature proton exchange membranes (HT-PEMs) are critically influenced by the effective distribution of proton conductors, electrolyte retention, and interfacial compatibility. Here…
View article: <i>In situ</i> crosslinkable poly(carbonate-ether-urethane) binders with 100% thermal decomposability at low temperatures for dry-processed high-capacity LiFePO<sub>4</sub> cathodes
<i>In situ</i> crosslinkable poly(carbonate-ether-urethane) binders with 100% thermal decomposability at low temperatures for dry-processed high-capacity LiFePO<sub>4</sub> cathodes Open
During the fabrication of dry-process lithium iron phosphate (LiFePO 4 , LFP) electrodes, polyurethane binders with cross-linked architectures were synthesized via in-situ thermal initiation.
View article: Flame Retardant Polyurethane‐Based Semi‐Interpenetrating Network Electrolyte with Continuous Ion Channel for High‐Voltage Lithium‐Metal Batteries
Flame Retardant Polyurethane‐Based Semi‐Interpenetrating Network Electrolyte with Continuous Ion Channel for High‐Voltage Lithium‐Metal Batteries Open
High‐nickel cathode materials is known to have high specific capacity but poor stability and safety due to nickel diffusion. While Al‐doped high‐nickel cathode (NCMA) particles exhibit enhanced stability, their durability under high‐charge…
View article: Poly (Propylene Carbonate) with Extremely Alternating Structure Used as Binders for High-Loading Cathodes by Solvent-Free Method in High-Performance NCM811 Batteries
Poly (Propylene Carbonate) with Extremely Alternating Structure Used as Binders for High-Loading Cathodes by Solvent-Free Method in High-Performance NCM811 Batteries Open
The cathode affects the capacity, working voltage, and cost of lithium-ion batteries. Although the binder is a small part of the cathode material, it is particularly important to the performance of the batteries. Therefore, the design and …
View article: Surface Alkali-Modified Nano-CeO2 for Atmospherically Catalytic Polycondensation of CO2 and Diol
Surface Alkali-Modified Nano-CeO2 for Atmospherically Catalytic Polycondensation of CO2 and Diol Open
The polycondensation of carbon dioxide and diols under atmospheric pressure has significant appeal, thus making the study of catalysts in this process very important. Here, a series of CeO2-X catalysts (X = 9/11/13) with surface modificati…
View article: Strategies for Mitigating Phosphoric Acid Leaching in High-Temperature Proton Exchange Membrane Fuel Cells
Strategies for Mitigating Phosphoric Acid Leaching in High-Temperature Proton Exchange Membrane Fuel Cells Open
High-temperature proton exchange membrane fuel cells (HT-PEMFCs) have become one of the important development directions of PEMFCs because of their outstanding features, including fast reaction kinetics, high tolerance against impurities i…
View article: Self-Healable, Transparent, Biodegradable, and Shape Memorable Polyurethanes Derived from Carbon Dioxide-Based Diols
Self-Healable, Transparent, Biodegradable, and Shape Memorable Polyurethanes Derived from Carbon Dioxide-Based Diols Open
A series of CO2-based thermoplastic polyurethanes (TPUs) were prepared using CO2-based poly(polycarbonate) diol (PPCDL), 4,4′-methylenebis (cyclohexyl isocyanate) (HMDI), and polypropylene glycol (PPG and 1,4-butanediol (BDO) as the raw ma…
View article: Block Copoly (Ester-Carbonate) Electrolytes for LiFePO4|Li Batteries with Stable Cycling Performance
Block Copoly (Ester-Carbonate) Electrolytes for LiFePO4|Li Batteries with Stable Cycling Performance Open
To address the challenges posed by the narrow oxidation decomposition potential window and the characteristic of low ionic conductivity at room temperature of solid polymer electrolytes (SPEs), carbon dioxide (CO2), epichlorohydrin (PO), c…
View article: High-Gas-Barrier and Biodegradable PPC-P/PBAT Composite Films Coated by Poly(vinyl alcohol)/borax Complexes
High-Gas-Barrier and Biodegradable PPC-P/PBAT Composite Films Coated by Poly(vinyl alcohol)/borax Complexes Open
Degradable and high-barrier plastic packaging materials draw more attention with the development of a social economy and the demands of environmental protection. In this study, poly(propylene carbonate phthalate) (PPC-P) and poly(butylene …
View article: The OBELIX chip for the Belle II VTX upgrade
The OBELIX chip for the Belle II VTX upgrade Open
International audience
View article: Thermoplastic Polyurethane Derived from CO2 for the Cathode Binder in Li-CO2 Battery
Thermoplastic Polyurethane Derived from CO2 for the Cathode Binder in Li-CO2 Battery Open
High-energy-density Li-CO2 batteries are promising candidates for large-capacity energy storage systems. However, the development of Li-CO2 batteries has been hindered by low cycle life and high overpotential. In this study, we propose a C…
View article: Designing weakly and strongly solvating polymer electrolytes: Systematically boosting high‐voltage lithium metal batteries
Designing weakly and strongly solvating polymer electrolytes: Systematically boosting high‐voltage lithium metal batteries Open
Practical high‐voltage lithium metal batteries hold promise for high energy density applications, but face stability challenges in electrolytes for both 4 V‐class cathodes and lithium anode. To address this, we delve into the positive impa…
View article: CO2 derived ABA triblock all-polycarbonate thermoplastic elastomer with ultra-high elastic recovery
CO2 derived ABA triblock all-polycarbonate thermoplastic elastomer with ultra-high elastic recovery Open
Although triblock polycarbonate thermoplastic elastomers (TPEs) have recently attracted great interests due to their biodegradability, insufficient attentions have been paid to improving the elastomeric properties. Through a tandem reactio…
View article: Biodegradable and Ultra-High Expansion Ratio PPC-P Foams Achieved by Microcellular Foaming Using CO2 as Blowing Agent
Biodegradable and Ultra-High Expansion Ratio PPC-P Foams Achieved by Microcellular Foaming Using CO2 as Blowing Agent Open
Poly(propylene carbonate-co-phthalate) (PPC-P) is an amorphous copolymer of aliphatic polycarbonate and aromatic polyester; it possesses good biodegradability, superior mechanical performances, high thermal properties, and excellent affini…
View article: Aliphatic Polycarbonate-Based Binders for High-Loading Cathodes by Solvent-Free Method Used in High Performance LiFePO4|Li Batteries
Aliphatic Polycarbonate-Based Binders for High-Loading Cathodes by Solvent-Free Method Used in High Performance LiFePO4|Li Batteries Open
The binder ratio in a commercial lithium-ion battery is very low, but it is one of the key materials affecting the battery’s performance. In this paper, polycarbonate-based polymers with liner or chain extension structures are proposed as …