160 Result(s)
within
**ao** Xu
Energy
Energy Storage
Renewable and Green Energy
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Article
Towards long-life 500 Wh kg−1 lithium metal pouch cells via compact ion-pair aggregate electrolytes
The development of practical lithium metal cells is plagued by their limited lifespan, primarily due to the poor interfacial stability of the electrolytes. Here we present a compact ion-pair aggregate (CIPA) e...
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Article
Achieving 19% efficiency in non-fused ring electron acceptor solar cells via solubility control of donor and acceptor crystallization
Non-fused ring electron acceptors (NFREAs) potentially have lower synthetic costs than their fused counterparts. However, the low backbone planarity and the presence of bulky substituents adversely affect the ...
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Article
Non-fullerene acceptor with asymmetric structure and phenyl-substituted alkyl side chain for 20.2% efficiency organic solar cells
For organic solar cells (OSCs), bridging the gap with Shockley–Queisser limit necessitates simultaneously reducing the energy loss for a high open-circuit voltage, improving light utilization for enhanced shor...
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Article
Rapid temperature-responsive thermal regulator for safety management of battery modules
Effective thermal safety management relies on the thermal conductivity of interlayer materials, yet current designs lack the needed responsiveness for both performance and safety. Here we design a thermal-swit...
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Article
Reversible multielectron transfer I−/IO3− cathode enabled by a hetero-halogen electrolyte for high-energy-density aqueous batteries
The ever-increasing need for energy-dense batteries with high safety is fuelling global research and innovations in new redox chemistry and device design. Here we show an aqueous battery employing highly conce...
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Article
Quadruple the rate capability of high-energy batteries through a porous current collector design
Achieving extremely fast charging yet maintaining high energy density remains a challenge in the battery field. Traditional current collectors, being impermeable to electrolytes, hinder the movement of Li+ ions a...
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Article
Ethylene production via photocatalytic dehydrogenation of ethane using LaMn1−xCuxO3
Industrial-scale ethylene production occurs primarily by fossil-powered steam cracking of ethane—a high-temperature, high-energy process. An alternative, photochemical, pathway powered by sunlight and operatin...
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Article
Multinary alloying for facilitated cation exchange and suppressed defect formation in kesterite solar cells with above 14% certified efficiency
Kesterite Cu2ZnSn(S, Se)4 (CZTSSe) solar cells are highly promising low-cost thin-film photovoltaics. However, the efficiency of these solar cells is challenged by severe charge losses and complex defects. Here w...
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Article
Publisher Correction: Suppressing strain propagation in ultrahigh-Ni cathodes during fast charging via epitaxial entropy-assisted coating
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Article
Inhibition of halide oxidation and deprotonation of organic cations with dimethylammonium formate for air-processed p–i–n perovskite solar cells
The manufacturing of perovskite solar cells under ambient conditions is desirable, yet the efficiency of p–i–n perovskite solar cells fabricated in air still lags behind those made in an inert atmosphere. Here...
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Article
Controlled large-area lithium deposition to reduce swelling of high-energy lithium metal pouch cells in liquid electrolytes
Lithium (Li) metal battery technology, renowned for its high energy density, faces practical challenges, particularly concerning large volume change and cell swelling. Despite the profound impact of external p...
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Article
An operationally broadened alkaline water electrolyser enabled by highly stable poly(oxindole biphenylene) ion-solvating membranes
Ion-solvating membranes (ISMs) are an alternative to proton-exchange and anion-exchange membranes for use in water electrolysers. ISMs do not have fixed ionic groups in their structure but instead gain their i...
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Article
Suppressing strain propagation in ultrahigh-Ni cathodes during fast charging via epitaxial entropy-assisted coating
Surface reconstruction and the associated severe strain propagation have long been reported as the major cause of cathode failure during fast charging and long-term cycling. Despite tremendous attempts, no kno...
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Article
A thermotropic liquid crystal enables efficient and stable perovskite solar modules
Perovskite solar cells have seen impressive progress in performance and stability, yet maintaining efficiency while scaling area remains a challenge. Here we find that additives commonly used to passivate larg...
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Article
Direct conversion of CO and H2O to hydrocarbons at atmospheric pressure using a TiO2−x/Ni photothermal catalyst
Hydrocarbon fuels can be synthesized from CO and water via Kölbel–Engelhardt synthesis, a thermocatalytic process in which temperatures of ≥200 °C and elevated pressures are typically needed. While light-drive...
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Article
Achieving a high-performance sodium-ion pouch cell by regulating intergrowth structures in a layered oxide cathode with anionic redox
In P2-type layered transition metal (TM) oxides, which are typical cathode materials for Na-ion batteries, the presence of Li within the TM layer could lead to the formation of specific Na–O–Li configurations ...
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Article
Roll-to-roll fabricated polymer composites filled with subnanosheets exhibiting high energy density and cyclic stability at 200 °C
Polymers are key dielectric media for energy storage capacitors in power electronics for electric vehicles and solar panels, and there is an urgent need to enhance their discharged energy density (Ud) at high tem...
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Article
Open AccessPure-water-fed, electrocatalytic CO2 reduction to ethylene beyond 1,000 h stability at 10 A
Electrocatalytic CO2 reduction at near-ambient temperatures requires a complex inventory of protons, hydroxyls, carbonate ions and alkali-metal ions at the cathode and anode to be managed, necessitating the use o...
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Chapter and Conference Paper
Short-Term PV Prediction Based on a Hybrid Algorithm Based on EMD-KPCA-LSTM Network
Photovoltaic power generation is greatly affected by multi-dimensional environmental factors, and the accuracy of PV power prediction brings about great challenges on the scheduling, safe operation and stabili...
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Chapter and Conference Paper
An Optimal Scheduling Strategy for an Electric-Hydrogen System Considering Hybrid Energy Storage
Under the background of “carbon peaking and carbon neutrality goals”, the power system is transforming towards higher renewable energy penetration and more energy storage quantities. Because of hydrogen energy...
