Showing papers in "Nano Energy in 2019"

TL;DR: A comprehensive overview of recent progress in different rechargeable Zn-based batteries (RZBs) systems including mild electrolyte RZBs, alkaline RZB, hybrid RZBP, Zn ion capacitors and Zn air batteries is presented in this paper.

TL;DR: Wang et al. as mentioned in this paper constructed a 3D porous graphitic carbon nitride assembled by highly crystalline and ultrathin nanosheets (3D g-C3N4 NS).

TL;DR: In this article, the authors provide a comprehensive summary of the recent development in interfacial photothermal evaporation and to inspire research efforts/translations from laboratory to practical large-scale solar-driven clean water production.

TL;DR: In this paper, the authors reviewed the thermal risk of commercial electrolytes and the development of safer electrolytes, and provided a reference for the design of next generation of electrolytes.

TL;DR: In this paper, the authors proposed a new strategy, namely, grain size engineering, to develop K0.5Na 0.5NbO3 (KNN)-based ceramics with both an extremely high recoverable energy storage density (Wrec) and large mechanical properties.

TL;DR: In this article, a small amount of diethyl ether (Et2O) was used as an electrolyte additive to improve the performance of Zn-MnO2 batteries.

TL;DR: In this paper, the authors developed an electronic structure and d-band center control engineering for accelerating the hydrogen evolution reaction (HER) through water splitting, which was synthesized by a self-templating transformation strategy.

TL;DR: In this article, a layered B/N co-doped porous carbon (LDC) guided by the intercalator is proposed for the first time as cathode material for high-energy-power ZHSs to efficiently mitigate these issues.

TL;DR: Li et al. as mentioned in this paper designed a flexible self-powered piezoelectric sensor (PES) based on the cowpea-structured PVDF/ZnO nanofibers for remote control of gestures in human-machine interactive system.

TL;DR: In this paper, the authors demonstrate that the chemical pre-intercalated transition metal ions (e.g. Fe2+, Co2+, Ni2+, Mn2+, Zn2+ and Cu2+, etc.) into the interlayer of V2O5, could effectively improve the electrochemical performance of aqueous ZIBs, in terms of high capacity, rate capability and long-term cycling stability, as well as excellent broad temperature adaptability.

TL;DR: In this article, a commercial degreasing cotton, photothermal CuS yolkshell nanocages and agarose were combined to produce a highly flexible photothermal aerogel which delivered a high energy efficiency (94.9%) for solar-steam generation under 1.0

TL;DR: In this paper, a Fe single-atom catalyst for ambient electrochemical NH3 synthesis has been proposed, which achieves high Faradaic efficiency (18.6 ± 0.8%) and NH3 yield rate (62.9 ± 2.2%) in neutral aqueous electrolyte at room temperature.

TL;DR: The entropy theory is used to describe the distribution and powering of small electronics in the era of internet of things and it is concluded that the “ordered” energy is able to solve part of the power need for distributed electronics for IoTs, but the remaining part has to be supplied by the "random" energy harvested from environment.

TL;DR: In this paper, a 3D honeycomb-like structure was constructed in conjunction with phosphorus doping to achieve high-level pyridinic N in carbon and achieved ultrahigh reversible capacity and outstanding rate capability.

TL;DR: In this paper, a kind of highly electronegative and conducting material of MXene nanosheet has been innovatively integrated with polyvinyl alcohol (PVA) for electrospinning nanofibers film to fabricate flexible all-electrospun triboelectric nanogenerator (TENG).

TL;DR: In this paper, a simple metal organic frameworks (MOFs) based approach was developed to prepare bifunctional Co-NC@Mo2C complex catalysts for electrochemical water electrolysis.

TL;DR: In this paper, an artificial nano-composite with excellent comprehensive performance by controlling the orientation of one-dimensional (1D) 0.5Ba(Zr0.7Ca0.2Ti0.3)TiO3 nanofibers (BZCT NFs) and adjusting the interaction between BZCTNFs and poly(vinylidene fluoride) (PVDF) matrix via SiO2 buffer layer was proposed.

TL;DR: In this article, the authors reported a fully transparent, highly stretchable, and self-powered contact-separation triboelectric nanogenerator (TENG) as a tactile sensor.

TL;DR: In this paper, a hierarchical anion-phosphorus-and cation- substituted cobalt oxides (ZnNiCo-P) was constructed from nanosheets grown directly on Ni foam.

TL;DR: In this paper, a review of earth abundant materials beyond transition metal dichalcogenides, such as transition metal phosphides, carbides, nitrides, demonstrate highly active and efficient activity toward hydrogen evolution reaction (HER) under different conditions.

TL;DR: In this paper, the MCo2O4@MCo2S4@PPy sandwich structures are prepared through a facile solution route, which can be used directly as the electrode materials for hybrid capacitor and electrocatalyst.

TL;DR: In this paper, a novel V2O5 nanopaper consisting of V 2O5 nanofibers and carbon nanotubes as reversible Zn-ion cathode was introduced.

TL;DR: In this paper, a room temperature Au-MoSe2 composite ammonia (NH3) sensor driven by a novel flexible piezoelectric nanogenerator (PENG) based on two-dimensional (2D) semiconductor MoS2 flake was presented.

TL;DR: In this article, a soft-contact spherical TENG with an acrylic hollow sphere as its shell and a rolling flexible liquid/silicone as the soft core was proposed to increase the output power by optimizing both materials and structural design.

TL;DR: In this article, a tunable wearable micro-cracked non-woven fabrics (NWF) strain sensor with broad strain sensing range and high sensitivity was successfully developed based on the electrically conductive cellulose nanocrystal (CNC)/graphene (G) coating with controllable microcrack density, which was achieved through changing the G loading of the coating layer.

TL;DR: Li et al. as mentioned in this paper used a vertically aligned ceramic/polymer composite electrolyte composed of high ionic conductivity Li 1.5Al0.5Ge1.5(PO4)3 and polyethylene oxide (PEO) polymer.

TL;DR: In this article, an asymmetric supercapacitor with the GC/MoO3-x and GC/MnO2 nanocomposites as anode and cathode, respectively, exhibits an ultrahigh energy of 150'Wh'kg−1, corresponding to an impressive volumetric energy density of 319'Wh´L−1.

TL;DR: Wang et al. as mentioned in this paper designed hollow nanostructured N-doped carbon (p-HNCs) through the tailoring of carbon quantum dots (CQDs) for the first time.