-
Article
Triboelectric nanogenerators for wind energy harvesting
Researchers in different disciplines from all around the world are constantly working on the development of new technologies for harvesting energy from sustainable sources. Among the various alternatives, wind...
-
Article
Open AccessReduction of precious metal ions in aqueous solutions by contact-electro-catalysis
Precious metals are core assets for the development of modern technologies in various fields. Their scarcity poses the question of their cost, life cycle and reuse. Recently, an emerging catalysis employing co...
-
Article
Open AccessSpontaneously established reverse electric field to enhance the performance of triboelectric nanogenerators via improving Coulombic efficiency
Mechanical energy harvesting using triboelectric nanogenerators is a highly desirable and sustainable method for the reliable power supply of widely distributed electronics in the new era; however, its practic...
-
Article
Magnetic-field-assisted triboelectric nanogenerator for harvesting multi-directional wave energy
Ocean wave energy is a significant and promising source of renewable energy. However, the energy harvesting is challenging due to the multi-directional nature of waves. This paper proposes a magnetic-field-ass...
-
Article
Triboelectric nanogenerator integrated with a simple controlled switch for regularized water wave energy harvesting
Ocean is full of low-frequency, irregular, and widely distributed wave energy, which is suitable as the energy source for maritime Internet of Things (IoTs). Utilizing triboelectric nanogenerators (TENGs) to h...
-
Article
Water-solid contact electrification and catalysis adjusted by surface functional groups
Chemical functional groups on solid surfaces greatly influence contact electrification (CE) at water-solid interfaces. Previous studies of their effects mainly swapped materials or bonded related molecules to ...
-
Article
Atomscopic of ripple origins for two-dimensional monolayer transition metal dichalcogenides
During the development of ultrathin two-dimensional (2D) materials, the appearance of ripples has been widely observed. However, the formation mechanisms and their influences are still rarely investigated, esp...
-
Article
Flexo-photocatalysis in centrosymmetric semiconductors
The separation of photogenerated electron–hole pairs is vitally important for photocatalysis, which can be effectively promoted by polarization field. However, it only manifests in piezoelectric/pyroelectric/f...
-
Article
3D interlocked all-textile structured triboelectric pressure sensor for accurately measuring epidermal pulse waves in amphibious environments
The performance degradation and even damage of the e-textiles caused by sweat, water, or submersion during all-weather health monitoring are the main reasons that e-textiles have not been commercialized and ro...
-
Article
Vertical iontronic energy storage based on osmotic effects and electrode redox reactions
Making salinity gradient energy practical is a great challenge. Despite recent advancements, the practicality of osmotic energy for portable electronics remains doubtful due to its limited power output and por...
-
Article
Effect of Mo and cold forging deformation on strength and ductility of cobalt-based alloy L605
Mo element was added to cobalt-based alloy L605, and cold forging deformation was performed. The effects of the addition and cold forging deformation on the microstructure and mechanical properties of the allo...
-
Article
Open AccessA contact-electro-catalysis process for producing reactive oxygen species by ball milling of triboelectric materials
Ball milling is a representative mechanochemical strategy that uses the mechanical agitation-induced effects, defects, or extreme conditions to activate substrates. Here, we demonstrate that ball grinding coul...
-
Article
Open AccessA self-powered intracardiac pacemaker in swine model
Harvesting biomechanical energy from cardiac motion is an attractive power source for implantable bioelectronic devices. Here, we report a battery-free, transcatheter, self-powered intracardiac pacemaker based...
-
Article
Open AccessMXene Lubricated Tribovoltaic Nanogenerator with High Current Output and Long Lifetime
Successfully solves the key issue of tribovoltaic nanogenerators (TVNGs) lifetime (90,000 cycles) and improves its output current density (754 mA m−2) simultaneously.
... -
Article
Open AccessNanogenerators and piezotronics: From scientific discoveries to technology breakthroughs
Nanogenerators is a field that uses the piezoelectric and/or triboelectric effect for converting low-grade mechanical energy (termed as high-entropy energy) into electric power, with a great potential for appl...
-
Article
A contact-electro-catalytic cathode recycling method for spent lithium-ion batteries
With the global trend towards carbon neutrality, the demand for lithium-ion batteries (LIBs) is continuously increasing. However, current recycling methods for spent LIBs need urgent improvement in terms of ec...
-
Article
Ambipolar tribotronic transistor of MoTe2
Two-dimensional (2D) tribotronic devices have been successfully involved in electromechanical modulation for channel conductance and applied in intelligent sensing system, touch screen, and logic gates. Ambipo...
-
Article
Miniaturized retractable thin-film sensor for wearable multifunctional respiratory monitoring
As extremely important physiological indicators, respiratory signals can often reflect or predict the depth and urgency of various diseases. However, designing a wearable respiratory monitoring system with con...
-
Article
Scalable rolling-structured triboelectric nanogenerator with high power density for water wave energy harvesting toward marine environmental monitoring
In the context of advocating a green and low-carbon era, ocean energy, as a renewable strategic resource, is an important part of planning and building a new energy system. Triboelectric nanogenerator (TENG) a...
-
Article
Modeling and optimization of a spherical triboelectric generator
A detailed geometric analysis of spherical triboelectric nanogenerators is presented. In comparison with earlier works on spherical triboelectric generators, the general case where the moving dielectric rolls ...
