Showing papers in "Nano Energy in 2021"

TL;DR: A comprehensive review on the state-of-the-art of piezoelectric energy harvesting is presented in this paper, where the authors present the broad spectrum of applications of piezolectric materials for clean power supply to wireless electronics in diverse fields.

TL;DR: In this article, a solvent evaporation induced self-assembly method was employed to prepare a novel S-scheme heterojunction composite by combining sulfur-doped porous graphite carbon nitride (S-pCN) with tungsten oxide (WO2.72) semiconductors which manifest effective interface contact and excellent photocatalytic performance.

TL;DR: In this article, the critical roles of Fe effect in Ni/Co based OECs to succeed in energy efficient hydrogen generation in alkaline medium is presented as it is inevitable.

TL;DR: In this article, a uniform Zn plating/stripping in H2O/EG hybrid electrolyte with cycling lifespan of up to 2668h at 0.5 mAh/cm−2 was demonstrated, which is made possible by the substitution of EG for H 2O in the solvation sheath of Zn2+ ions.

TL;DR: This all-in-one detection mode not only bridges the technological gap between biological signal conduction, wireless transmission, and smartphone interface but also improves the portability and the sensitivity (more than one order of magnitude lower than that of traditional CRISPR-Cas12a biosensors).

TL;DR: Different types of energy-saving chemisresitive gas sensors and their application in the fields of environmental monitoring are discussed.

TL;DR: In this article, a polyvinyl alcohol/silver (PVA/Ag) nanofibers-based TENG was developed for human respiration, movement and harmful gas monitoring.

TL;DR: In this paper, a reduced graphene oxide and cellulose sponge-based transformable photothermal evaporator which can reversibly switch between a 2D flat and a 3D spiral structure is designed.

TL;DR: In this article, the stability, mechanical properties, lattice thermal conductivity, piezoelectric response, and photocatalytic and electronic features of MA2Z4 (M = Cr, Mo, W, A = Si, Ge, Z = N, P) monolayers are explored.

TL;DR: In this article, the authors provide a comprehensive review about challenges and solutions to modify Ni-rich layered cathodes specifically for microcrack failure, including surface coating, cation/anion doping, composition tailoring, morphology engineering and electrolytes optimization.

TL;DR: In this paper, the authors provide a timely summary of recent advances on Zn-ion hybrid supercapacitors and highlight the vital role of cathode materials and electrolyte systems in accelerating the prosperity of this kind of SCs.

TL;DR: In this article, a multiple transition metal doping approach is developed through the incorporation of both Co and Nb into hierarchical MoS2 ultrathin nanosheets directly grown on micro-TiO2 hollow spheres.

TL;DR: In this paper, an electrospun MXene (Ti3C2Tx) functionalized polyvinylidene fluoride (PVDF) composite nanofiber is firstly proposed as a promising negative triboelectric layer for boosting the energy harvesting performance.

TL;DR: In this paper, a flexible TENG based on wrinkled PDMS/MXene composite films prepared by facile ultraviolet ozone (UVO) irradiation was constructed as self-powered tactile sensor.

TL;DR: In this paper, the mechanisms underpinning high energy storage density in lead-free Ag1-3xNdxTayNb1-yO3 antiferroelectric (AFE) ceramics were investigated.

TL;DR: In this paper, the metal and oxygen multivacancies in noble-metal-free layered double hydroxides (LDHs) through the specific electron-withdrawing organic molecule methyl-isorhodanate (CH3NCS) were introduced to overcome the energy-related applications, especially to the water-energy treatment.

TL;DR: In this paper, the recent advancement of the materials preparation, synthesis, characterization, and performance validation as well as fundamental understanding of the functional mechanisms are comprehensively reviewed, and several technical challenges and strategies are respectively analyzed and utilized to improve the materials' electrochemical performances, including morphology control, surface engineering, doping and construction of composite electrodes.

TL;DR: Wang et al. as mentioned in this paper designed a pyroelectric nanogenerator by absorbing optical energy as surface enhanced Raman scattering (SERS) substrate for in-situ monitoring the complete oxidation reaction from 4-aminothiophenol (4-ATP) to 4-nitrothiophenolate (NTP) and the oxygen reduction reaction (ORR) intermediates.

TL;DR: A comprehensive review of energy harvesting-assisted Internet of Things (IoT) applications among smart environmental monitoring (wind, ocean, and agriculture), smart transportations (drivers, vehicles, ships, roads, and bridges), smart homes (windows, floors, accessories, and human-machine interfaces), smart healthcare (wearable/portable devices, and implantable devices) are being promoted to conform with requirements of carbon neutrality and environment-friendly as discussed by the authors.

TL;DR: This review presents the state-of-the-art works based on the synergy between wearable sensors and AI technology, highlighting the system-level function of analyzing abundant sensory data, recognizing events, and making decisions accordingly.

TL;DR: In this article, an advanced cathode of oxygen defect enriched (NH4)2V10O25·8H2O (NVOD) nanosheets with expanded tunnel structure, exceptional conductivity and superior structural stability for aqueous ZIBs, showing fast Zn2+ diffusion and excellent performance.

TL;DR: In this article, a novel strategy of designing sandwich-structured PVDF nanocomposites with lowloading BaTiO3 nanowires was proposed to maintain high breakdown strength.

TL;DR: In this paper, the authors provide a comprehensive overview of this body of literature from an environmental perspective and highlight areas for future work that could help ensure that nanofluids have a net positive environmental impact in renewable energy systems going forward.

TL;DR: In this paper, a new kind of woven-structured triboelectric nanogenerator (WS-TENG) with a facile, low-cost, and scalable electrospinning technique is reported.

TL;DR: In this article, an all-in-one planar micro-supercapacitor arrays (MSCAs) based on hybrid electrodes with ultrathin ZnP nanosheets anchored on 3D laser-induced graphene foams (ZnP@LIG) arranged in island-bridge device architecture.

TL;DR: In this paper, the authors review the development of both HER and OER electrocatalysts that are operated in neutral conditions from the perspective of the reaction mechanisms, rate-determining steps, and component-structure-activity correlations.

TL;DR: In this paper, a layer of high-modulus polymethyl methacrylate (PMMA) was applied to the nanowire surface via surface-initiated polymerization.

TL;DR: Triboelectric nanogenerator based sensor has excellent material compatibility, low cost, and flexibility, which is a unique candidate technology for artificial intelligence as discussed by the authors, which can provide critical infrastructure for new generation of sensing systems that collect information by large amounts of self-powered sensors.

TL;DR: In this article, a novel hybrid material for outdoor passive radiative cooling (PRC) based on three-dimensionalally porous cellulose acetate (3DPCA) film with rationally designed pore sizes centered at 5µm and auto-deposited resonant polar dielectric SiO2 microspheres is presented.