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应用:Batteries, supercapacitors, and fuel cells
内容物类型:Technical Article
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Graphene-Based Transparent Conductive Electrodes
A transparent conductive electrode (TCE) is an essential component of various optoelectronic devices such as solar cells, liquid-crystal displays (LCD), light-emitting diodes (LED), and touch screens.
Novel Graphene‑Based Nanostructures Production, Functionalization, and Engineering
Novel Graphene‑Based Nanostructures Production, Functionalization, and Engineering
Graphene Nanoribbons: Production and Applications
Graphene is a one-atomic-layer thick two-dimensional material made of carbon atoms arranged in a honeycomb structure. Its fascinating electrical, optical, and mechanical properties ignited enormous interdisciplinary interest from the physics, chemistry, and materials science fields.
Applications of Graphene Oxide and Reduced Graphene Oxide
Graphene oxide is a unique material that can be viewed as a single monomolecular layer of graphite with various oxygen containing functionalities such as epoxide, carbonyl, carboxyl and hydroxyl groups.
Carbon Nanofiber Applications & Properties
Pyrograf®-III vapor-grown carbon nanofibers are within the class of materials termed multi-walled carbon nanotubes (MWCNTs), and are produced by the floating catalyst method.
Electrode Materials for Lithium Ion Batteries
Discover more about advancements being made to improve energy density of lithium ion battery materials.
Proton Exchange Membrane (PEM) Fuel Cells
Proton exchange membrane (PEM) fuel cells operate at relatively low temperatures and are composed of two electrodes and a conductive elecrolyte.
Ionic Liquids for Electrochemical Applications
Over the past decade, Ionic Liquids have attracted much interest for their use as non-aqueous electrolytes in electrochemical applications. In this context, their conductivity as well as their electrochemical stability are the most important physical properties.
Nanoarchitecture of Protective Coatings for Air Sensitive Metal Hydrides
Our research impacts on the hydrogen energy economy through the development of “smart” nanofilms for the protection of metal hydrides against air and moisture, while permitting release of hydrogen gas through these semi permeable nanofilms.
Solid-State Rechargeable Batteries
Dr. Sun reviews the recent advances in solid-state rechargeable batteries and cover the fundamentals of solid electrolytes in solid-state batteries, the theory of ion conduction, and the structures and electrochemical processes of solid-state Li batteries.
Combinatorial Materials Science for Energy Applications
Can there be an effective strategy for finding breakthrough materials, since they are, by definition, unpredictable? One answer is found in Combinatorial Materials Science techniques, which represent a powerful approach to identifying new and unexpected materials.
Few Monolayer Atomic Layer Deposition (ALD) on Surfaces and Interfaces for Energy Applications
Few Monolayer Atomic Layer Deposition (ALD) on Surfaces and Interfaces for Energy Applications
Materials Issues in Polymer Electrolyte Membrane Fuel Cells
Fuel cells have the potential to reduce the nation’s energy use through increased energy conversion efficiency and dependence on imported petroleum by the use of hydrogen from renewable resources.
perfluorosulfonic-acid-membranes
Advances in the electrochemical conversion of water to and from hydrogen and oxygen have principally been achieved through the development of new materials and by understanding the mechanisms of the degradation of proton exchange membrane fuel cells (PEMFC) during operation.
Covalently Functionalized Germananes
The properties of Germananes readily depend on the identity of the terminating ligands, allowing these materials to be readily tailored for a broad array of applications. Here we summarize the synthesis, properties, and potential uses of germanane materials.
Advances in Materials for Solid Oxide Fuel Cells
As with all types of fuel cells, a Solid Oxide Fuel Cell (SOFC) is capable of efficiently transforming chemical energy into electrical energy.
Thermoelectric Performance of Perovskite-type Oxide Materials
The prevailing strategies for heat and electric-power production that rely on fossil and fission fuels are having a negative impact on the environment and on our living conditions.
Metal Hydrides for NiMH Battery Applications
Rechargeable solid-state batteries are becoming increasingly important due to wide-spread use in computers, portable electronics, and vehicular applications.
Nanomaterials for Energy Storage in Lithium-ion Battery Applications
Nanomaterials for Energy Storage in Lithium-ion Battery Applications
U.S. Department of Energy’s Materials Research for Advanced Lithium Ion Batteries
Increasing fuel costs and concerns about greenhouse gas emissions have spurred the growth in sales of hybrid electric vehicles (HEVs) that carry a battery pack to supplement the performance of the internal combustion engine (ICE).
Intermetallic Hydrides With High Dissociation Pressure
Interaction of hydrogen with multi-component intermetallic compounds of AB5- and AB2-type were studied in the current work. Several new intermetallic hydrides with potential applications in high-capacity hydrogen storage have been identified and fully characterized using a gas-volumetric analytical technique.
Materials for Thin Film Solid Oxide Fuel Cells (TF-SOFCs)
This technical spotlight focuses on the thin film solid oxide fuel cells (TF-SOFC). TF-SOFCs refer to solid oxide fuel cells with electrolyte thin films. This review highlights technical advantages of TF-SOFC and introduces deposition methods of electrolyte thin films to...
Lithium-Ion Battery Performance: Dependence on Material Synthesis and Post‑Treatment Methods
Lithium-ion batteries represent a group of electrochemical devices used for electricity storage and have attracted a lot of attention in the past two decades due to their portability, rechargeability and low cost.
Iron Pnictide Superconductors: Discovery and Current Status
We have explored novel transparent oxide semiconductors, focusing on the low dimensional structure embedded in the crystal structure: in particular, a 3-dimensionally (3D) connected nanometer sized cage structure and a 2-dimensional (2D) layered structure composed of a narrow gap semiconductor...
Nanostructured Olivine-based Cathode Materials for Lithium-ion Batteries
Due to the adverse impact of the continued use of fossil fuels on the earth’s environment and climate, researchers have been asked to develop new approaches for producing power using renewable sources like wind and solar energy
Properties and Applications of Functionalized Graphene Oxide
Professor Aran (Claremont University, USA) thoroughly discusses the engineering of graphene based materials through careful functionalization of graphene oxide, a solution processable form of graphene.
Synthesis and Application of Shape-Controlled Fe3O4 Nanostructure
Professor Yadong Yin (University of California Riverside, USA) examines both direct (thermal decomposition, solvothermal, hydrothermal) and indirect (templated) synthesis methods of magnetite nanocrystals and reviews in detail the landscape of these various synthetic methods for magnetite nanocrystal and their applications...
Graphene-Based Composites and their Unique Renewable Energy Applications
Graphene is a unique two-dimensional (2D) structure of monolayer carbon atoms packed into a dense honeycomb crystal that has attracted great interest due to its diverse and fascinating properties.
Graphene Inks for Printed Electronics
The emerging field of printed electronics requires a suite of functional materials for applications including flexible and large-area displays, radio frequency identification tags, portable energy harvesting and storage, biomedical and environmental sensor arrays,5,6 and logic circuits.
Recent Developments on Hydrogen Release from Ammonia Borane
Record crude oil prices combined with public interest in energy security have resulted in increased attention to a potential transportation economy based on hydrogen fuel.
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