-
Article
Open AccessMonolithically integrated micro-supercapacitors with high areal number density produced by surface adhesive-directed electrolyte assembly
Accurately placing very small amounts of electrolyte on tiny micro-supercapacitors (MSCs) arrays in close proximity is a major challenge. This difficulty hinders the development of densely-compact monolithical...
-
Article
Metal telluride nanosheets by scalable solid lithiation and exfoliation
Transition metal tellurides (TMTs) have been ideal materials for exploring exotic properties in condensed-matter physics, chemistry and materials science1–3. Although TMT nanosheets have been produced by top-down...
-
Article
Open AccessHierarchically Structured Nb2O5 Microflowers with Enhanced Capacity and Fast-Charging Capability for Flexible Planar Sodium Ion Micro-Supercapacitors
Hierarchically structured Nb2O5 microflowers consiste of porous and ultrathin nanosheets.
Nb2O5 microflowers exhi...
-
Article
Open AccessUnraveling oxygen vacancy site mechanism of Rh-doped RuO2 catalyst for long-lasting acidic water oxidation
Exploring durable electrocatalysts with high activity for oxygen evolution reaction (OER) in acidic media is of paramount importance for H2 production via polymer electrolyte membrane electrolyzers, yet it remain...
-
Article
Two-Dimensional Mesoporous Materials for Energy Storage and Conversion: Current Status, Chemical Synthesis and Challenging Perspectives
Two-dimensional (2D) mesoporous materials (2DMMs), defined as 2D nanosheets with randomly dispersed or orderly aligned mesopores of 2–50 nm, can synergistically combine the fascinating merits of 2D materials a...
-
Article
Open AccessA Thermoregulatory Flexible Phase Change Nonwoven for All-Season High-Efficiency Wearable Thermal Management
The first assembled flexible phase change nonwoven is reported by wet-spinning.
The unprecedented thermal properties of suc...
-
Article
Open AccessAchieving stable Na metal cycling via polydopamine/multilayer graphene coating of a polypropylene separator
Sodium metal batteries are considered one of the most promising low-cost high-energy-density electrochemical energy storage systems. However, the growth of unfavourable Na metal deposition and the limited cell...
-
Article
Open AccessNitrogen-enriched graphene framework from a large-scale magnesiothermic conversion of CO2 with synergistic kinetics for high-power lithium-ion capacitors
Lithium-ion capacitors are envisaged as promising energy-storage devices to simultaneously achieve a large energy density and high-power output at quick charge and discharge rates. However, the mismatched kine...
-
Article
Recent Advancements and Perspective of High-Performance Printed Power Sources with Multiple Form Factors
The rapid development of wearable and smart electronics for environmental sensors, Internet of things and implantable medical devices has accelerated the demand for high-performance electrochemical energy stor...
-
Article
Open AccessAll-solid-state high-energy planar hybrid micro-supercapacitors based on 2D VN nanosheets and Co(OH)2 nanoflowers
Planar micro-supercapacitors are recognized as one of the most competitive on-chip power sources for integrated electronics. However, most reported symmetric micro-supercapacitors suffer from low energy densit...
-
Article
Open AccessPatterning two-dimensional free-standing surfaces with mesoporous conducting polymers
The ability to pattern functional moieties with well-defined architectures is highly important in material science, nanotechnology and bioengineering. Although two-dimensional surfaces can serve as attractive ...
-
Article
Open AccessGraphene-based in-plane micro-supercapacitors with high power and energy densities
Micro-supercapacitors are important on-chip micro-power sources for miniaturized electronic devices. Although the performance of micro-supercapacitors has been significantly advanced by fabricating nanostructu...
-
Article
Open AccessEfficient synthesis of graphene nanoribbons sonochemically cut from graphene sheets
We report a facile approach to synthesize narrow and long graphene nanoribbons (GNRs) by sonochemically cutting chemically derived graphene sheets (GSs). The yield of GNRs can reach ∼5 wt% of the starting GSs....
