Showing papers in "Nano Energy in 2018"

TL;DR: In this article, a review of recent advances in supercapacitor (SC) technology with respect to charge storage mechanisms, electrode materials, electrolytes (e.g., particularly paper/fiber-like 3D porous structures), and their practical applications is presented.

TL;DR: In this article, composites consisting of polyethylene-oxide/garnet electrolytes were fabricated for a safe solid-state Li-metal rechargeable battery, which achieved high discharge capacity (139.1% after 100 cycles) and high capacity retention (103.6% with coulombic efficiency of 100% after 50 cycles).

TL;DR: In this paper, the state-of-the-art progress on defect-engineered photocatalytic materials is reviewed and the future opportunities and challenges regarding defect engineering in photocatalysis are highlighted.

TL;DR: In this article, a rational design of hollow Mo-doped CoP (Mo-CoP) nanoarrays, which simultaneously combine electronic structure modification through doping with a high density of reaction sites through nanostructuring, is reported.

TL;DR: LiNi0.6Co0.2Mn 0.2O2 (NCM) is a highly potential cathode material for lithium-ion batteries (LIBs), but its poor rate capability and cycling performance at high cutoff voltages have seriously hindered further commercialization.

TL;DR: In this paper, a hierarchical porous carbons (HPC) was constructed from ant powder and a 3D framework comprised of interconnected macro-, meso-and micropores with suitable pore size distribution, together with an appropriate heteroatom doping of O, N and S.

TL;DR: Tong Zhang, Meng-Ying Wu, Dong-Yang Yan, Jing Mao, Hui Liu, Wen-Bin Hu, Xi-Wen Du, Tao Ling, Shi-Zhang Qiao as mentioned in this paper

TL;DR: In this paper, the Ni 3 N-NiMoN heterostructures were constructed by the controllable nitridation of the Ni-Mo-O precursor anchored on carbon cloth (CC) under NH 3 atmosphere.

TL;DR: In this article, a garnet-based hybrid solid electrolyte (HSE) membrane was designed for high performance solid-state lithium batteries for the first time, which can efficiently store the pulsed energy, especially for output at high frequencies.

TL;DR: In this paper, a new type of non-precious metal electrocatalyst for OER by synergistically coupling layered double hydroxides (LDH) with two-dimensional (2D) MXene with high conductivity and active surface was reported.

TL;DR: In this paper, a ligand-assisted polyol reduction method was used to synthesize porous cobalt oxide nanoplates enriched with oxygen vacancies, which enabled large-scale synthesis that offers superior uniformity, solution dispersity and controllable concentration of oxygen vacancies on surface.

TL;DR: In this paper, the authors developed various kinds of potassium vanadates (K2V8O21, K0.25V2O5, K2V6O16·1) as cathodes for aqueous ZIBs.

TL;DR: In this paper, the BaTiO3 nanowires and nanoparticles were synthesized and their piezocatalytic activity was investigated and it was shown that the intrinsic charge carriers in piezoelectric crystallites play the role of charge transfer in the catalysis process through regulating the concentration of charge carriers.

TL;DR: In this paper, a metal-organic framework-derived nitrogen-doped nanoporous carbon was used as an electrocatalyst for the nitrogen reduction reaction (NRR) by using renewable electricity.

TL;DR: In this article, a cost-effective Co3S4@MoS2 hetero-structured catalyst for both hydrogen evolution reaction and oxygen evolution reaction (OER) in an alkaline environment is presented.

TL;DR: In this paper, porous structured graphitic carbon nitride materials with large amount of defects are obtained through facile 5min thermal treatment in air without additional reactants, and the resultant materials show remarkably extended light absorption in the visible light region.

TL;DR: In this paper, a lead-free relaxor ferroelectric ceramics for energy storage has been proposed, which can simultaneously deliver a high recoverable energy density of 2.9 and energy efficiency of 86.8%.

TL;DR: In this article, the authors proposed a method for detecting Ni-rich lithium transition metal oxides (e.g. LiNi0.8Co0.15Al0.05O2), which they called LiNi1−x−yMnxCoyO2 (x + y

TL;DR: In this paper, an MXene-sponge was fabricated by a simple and efficient dipping-coating process method and was applied in the piezoresistive sensor with insulating Polyvinyl Alcohol (PVA) nanowires as a spacer.

TL;DR: In this paper, a 3D-networked heterogeneous nickel phosphide/sulfide electrocatalyst consisting of Ni2P strongly coupled with Ni3S2 in situ grown on Ni foam is presented.

TL;DR: In this paper, hollow gold nanocages (AuHNCs) were used as an effective electrocatalyst for electrochemical nitrogen reduction reaction (NRR) under ambient conditions.

TL;DR: Li et al. as mentioned in this paper used zinc sulfide (ZnS) as an activation catalyst in Li-S battery to suppress the soluble polysulfide shuttle effect by powering kinetics redox reactions.

TL;DR: In this paper, the growth of oriented, interlayer-expanded MoSe2 nanosheets on graphene with Mo-C bonding via a surfactant-directed hydrothermal reaction was reported.

TL;DR: In this paper, a novel polymer/ceramic nanocomposite is fabricated using core-shell BaTiO3@SiO2 (BT@SO) structures with a diameter less than 10

TL;DR: Solid oxide fuel cells (SOFCs) show considerable promise for meeting the current ever-increasing energy demand and environmental sustainability requirements because of their high efficiency, low energy consumption, and low power consumption.

TL;DR: In this article, a non-noble-metal NRR electrocatalyst for N2 conversion to NH3 with high activity and selectivity was proposed, and the catalytic mechanism of NRR on Nb2O5 surface was further discussed by density functional theory calculations.

TL;DR: In this article, an all-fiber hybrid piezoelectric-enhanced triboelectoric nanogenerator fabricated by electrospinning silk fibroin and poly(vinylidene fluoride) (PVDF) nanofibers on conductive fabrics is presented.

TL;DR: In this article, carbonization of functionalized hypercrosslinked polymers (HCPs) yields highly conductive and porous materials that can be used as supercapacitor electrodes.

TL;DR: In this paper, a highly compact self-charging power unit is proposed by integrating triboelectric nanogenerator with MXene-based microsupercapacitors in a wearable and flexible harvester-storage module.

TL;DR: In this paper, a template-free, economic and environment-friendly strategy for scalable synthesis of hierarchical porous carbon nanosheets (N-HPCNSs) with biomass water lettuces as carbon precursor was reported.