25 Result(s)
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Article
Zonghai Chen
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Article
Interpretability-Mask: a label-preserving data augmentation scheme for better classification
Data augmentation effectively alleviates the over-fitting problem in convolutional neural network-based (CNN-based) models, especially in the limited dataset. However, the inconsistency problem between the aug...
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SRK-Augment: A self-replacement and discriminative region kee** augmentation scheme for better classification
Data augmentation has been proved to be a critical and effective way to alleviate over-fitting of deep learning model. Region-level removal is one of state-of-the-art solutions, which can not only synthesize v...
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Origin and regulation of oxygen redox instability in high-voltage battery cathodes
Oxygen redox at high voltage has emerged as a transformative paradigm for high-energy battery cathodes such as layered transition-metal oxides by offering extra capacity beyond conventional transition-metal re...
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Open AccessNative lattice strain induced structural earthquake in sodium layered oxide cathodes
High-voltage operation is essential for the energy and power densities of battery cathode materials, but its stabilization remains a universal challenge. To date, the degradation origin has been mostly attribu...
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Open AccessSuppressing electrolyte-lithium metal reactivity via Li+-desolvation in uniform nano-porous separator
Lithium reactivity with electrolytes leads to their continuous consumption and dendrite growth, which constitute major obstacles to harnessing the tremendous energy of lithium-metal anode in a reversible manne...
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Open AccessIn situ observation of thermal-driven degradation and safety concerns of lithiated graphite anode
Graphite, a robust host for reversible lithium storage, enabled the first commercially viable lithium-ion batteries. However, the thermal degradation pathway and the safety hazards of lithiated graphite remain...
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Open AccessA polymeric composite protective layer for stable Li metal anodes
Lithium (Li) metal is a promising anode for high-performance secondary lithium batteries with high energy density due to its highest theoretical specific capacity and lowest electrochemical potential among ano...
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Open AccessA Facile Approach to High Precision Detection of Cell-to-Cell Variation for Li-ion Batteries
Over the past decade, it has been repeatedly demonstrated that homogeneity in electrochemical performance of lithium-ion cells plays a major role in determining the life and safety of lithium-ion battery modul...
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Building ultraconformal protective layers on both secondary and primary particles of layered lithium transition metal oxide cathodes
Despite their relatively high capacity, layered lithium transition metal oxides suffer from crystal and interfacial structural instability under aggressive electrochemical and thermal driving forces, leading t...
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Impact of alginate and fluoroethylene carbonate on the electrochemical performance of SiO–SnCoC anode for lithium-ion batteries
The electrochemical performance of SiO–SnCoC composite anode for high-energy lithium-ion batteries was evaluated with particular emphasis on the impact of Alginate as a polymeric binder, as well as fluoroethyl...
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In situ quantification of interphasial chemistry in Li-ion battery
The solid–electrolyte interphase (SEI) is probably the least understood component in Li-ion batteries. Considerable effort has been put into understanding its formation and electrochemistry under realistic bat...
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Traffic State Estimation of Signalized Intersections Based on Stacked Denoising Auto-Encoder Model
To solve the problem of fuzziness and uncertainty of traffic states in signalized intersection, a method was proposed for estimating traffic condition based on stacked de-noising auto-encoder model. The simula...
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An effective suggestion method for keyword search of databases
This paper solves the problem of providing high-quality suggestions for user keyword queries over databases. With the assumption that the returned suggestions are independent, existing query suggestion methods...
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Correction: Corrigendum: The role of nanotechnology in the development of battery materials for electric vehicles
Nature Nanotechnology 11, 1031–1038 (2016); published online 6 December 2016; corrected after print 14 December 2016 In the original version of this Review Article Feng Pan's affiliation should have read: 'Sch...
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The role of nanotechnology in the development of battery materials for electric vehicles
This Review discusses how nanostructured materials are used to enhance the performances and safety requirements of Li batteries for hybrid and long-range electric vehicles.
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An adaptive traffic signal coordination optimization method based on vehicle-to-infrastructure communication
The increasing volume of traffic in cities has a significant effect on the road traffic congestions and the time it takes for road users to reach their destinations as well. Adaptive signal control system has ...
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A lithium–oxygen battery based on lithium superoxide
Lithium–oxygen batteries allow oxygen to be reduced at the battery’s cathode when a current is drawn; in present-day batteries, this results in formation of Li2O2, but it is now shown that another high energy den...
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Open AccessA novel multifunctional NiTi/Ag hierarchical composite
Creating multifunctional materials is an eternal goal of mankind. As the properties of monolithic materials are necessary limited, one route to extending them is to create a composite by combining contrasting ...
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New class of nonaqueous electrolytes for long-life and safe lithium-ion batteries
Long-life and safe lithium-ion batteries have been long pursued to enable electrification of the transportation system and for grid applications. However, the poor safety characteristics of lithium-ion batteri...
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Nanostructured high-energy cathode materials for advanced lithium batteries
Nickel-rich layered lithium transition metal oxides have been investigated as high-energy cathode materials for rechargeable lithium batteries because of their high specific capacity and relatively low cost. S...
