Showing papers in "Journal of Energy Chemistry in 2019"

TL;DR: In this article, a review of various pyrolysis process, especially focusing on the effects of essential parameters, the process design, the reactors and the catalysts on the process, is presented.

TL;DR: In this article, the authors reviewed the activity, stability and durability for hydrogen evolution reaction in alkaline medium of different types of recently reported potential electrocatalysts such as Ni, Co, NiCo, Fe, Cu, W, Mo, Se, Mn, Zn, V, and metal free based earth-abundant-electrocatalyst.

TL;DR: In this article, the structure and synthesis method of NiCo2O4-based materials are discussed in detail, and the major goal of this review is to highlight new progress in using proposed strategies to improve the cycling stability and rate capacity of NiCapO4based materials, including synthesis, control of special morphologies and design of composite materials.

TL;DR: In this paper, a house-like Li anode (housed Li) was designed to circumvent the problem of uncontrolled lithium dendrites and infinite volume change during repeated plating/stripping cycles.

TL;DR: In this article, a porous V2O5 nanofibers cathode with high Zn-storage performance in an aqueous Zn(CF3SO3)2 electrolyte was reported.

TL;DR: In this paper, a review provides recent advancements in Gel polymer electrolytes (GPEs) applied for high-performance Li-Batteries for building safer Li-Lithium batteries.

TL;DR: In this article, the authors reviewed the recent progress in the fields of thermocatalytic, electrocatalytic and chemical looping processes for dinitrogen reduction towards ammonia formation and discussed the challenges borne for mild-condition synthesis.

TL;DR: In this article, a systematic review on the applications of WS2, MoSe2 and WSe2 as anode materials for lithium-ion batteries (LIBs) and SIBs is presented.

TL;DR: In this article, a series of catalysts coating NiFe-based materials on 3D nickel foam were found to be extremely stable under the circumstance of high current density, and further provided the perspectives for their future development.

TL;DR: In this paper, the authors discuss various strategies and mechanisms in the design of adsorbents explored to improve H2 storage capacities and afford opportunities to develop new sustainable hydrogen technologies to meet energy targets.

TL;DR: In this article, a mesoporous carbon (MAC) was fabricated by microwave treatment from the biomass waste of camellia oleifera, which has a high capacity of 275 F/g, large energy density of 9.55 W/kg and excellent cycling stability with 99% capacitance retention after 10000 continuous charge-discharge.

TL;DR: In this article, one-dimensional CoSe@N-doped carbon nanofibers (CoSe@NC NFs) are successfully combined by combining the techniques of electrospinning and annealing Selenium powder are directly dispersed in the polyacrylonitrile /N,N-Dimethylformamide (DMF) solution containing cobalt salt to form the product.

TL;DR: In this paper, the authors summarize the diversiform photocatalytic applications using defects as active sites, including but not limited to CO2 reduction, O2 activation, H2O dissociation, N2 fixation as well as activation of other molecules.

TL;DR: In this article, a review of recent developments in SnO2 as the electron transporting layer (ETL) of perovskite solar cells (PSCs) is presented.

TL;DR: In this article, a facile method is proposed to prepare a thin and porous LiF-rich layer (TPL) by the in-situ reaction of small amount of ammonium hydrogen difluoride (NH4HF2) and Li metal.

TL;DR: In this article, the synthesis and function of Biomass-derived novel carbons (BDNCs) for Li-S batteries are presented, and the electrochemical effects of structural diversity, porosity and surface heteroatom doping of the carbons in Li S batteries are discussed.

TL;DR: In this article, a hierarchical ZnO@metal-organic framework @polyaniline core-shell nanorod arrays on carbon cloth has been fabricated by combining electrodeposition and hydrothermal method.

TL;DR: Asphaltenes, complex aromatic compounds from various carbonaceous sources, could be obtained by solvent dissolution, filtration and adsorption as mentioned in this paper, but it was difficult to clarify the molecular structures and chemical properties of asphaltene due to its structural similarity, composition complexity and source dependences.

TL;DR: In this article, a 3D NiFe-LDH-0.4M catalyst was proposed for water oxidation, which achieved a Tafel slope of 51mV−dec−1.

TL;DR: In this article, the porous CoxOy nanosheets with N-doping and oxygen vacancies were obtained by etching Co3O4 with NH3 plasma, and the obtained sample has a lower Tafel slope of 68.5mV dec−1 than the pristine CO4 nanoSheets.

TL;DR: In this paper, a yolk-shell structured Si/C composite (denoted as TSC-PDA-B) has been intelligently designed by rational engineering and precise control, in which multiple Si nanoparticles with small size are successfully encapsulated into the porous carbon shells with double layers benefiting from the strong etching effect of HF.

TL;DR: In this paper, the authors proposed a novel approach to generate hydrogen with acidic/alkaline amphoteric water electrolysis, wherein hydrogen is produced inside an acidic solution and oxygen evolved under alkaline condition, and a membrane is employed in the middle of the electrolyzer to restrain neutralization.

TL;DR: In this paper, annealing MXene under hydrogen was employed for removing −F and turning −OH to −O terminations, which improved the kinetics of Li-ion transport between the electrolyte and electrode.

TL;DR: In this article, the effect of the size of the cathode on the rate and cycling performance of Li-S batteries was investigated under a high sulfur loading (4.5 ǫmg cm−2).

TL;DR: In this article, a review of metal-organic frameworks (MOFs) as cathode host for Li-S batteries is presented, based on the types of MOFs, formation process and morphology, structural superiority of MOF-derived carbon frameworks along with their electrochemical performance as a host in Li−S batteries.

TL;DR: In this article, a symmetric supercapacitor based on the selective etching Al layer from the Ti2AlC was synthesized and assembled, which showed capable capacitance, outstanding rate performance and excellent cycling performance.

TL;DR: The Division of Biomass Conversion and Bio-Energy attached to Dalian National Laboratory for Clean Energy has devoted themselves to valorization of lignocellulose biomass since launched in 2011.

TL;DR: For many 2D materials, low coordination edges and corner sites offer greatly enhanced catalytic performance compared to basal sites, motivating the search for new synthetic approaches towards ultrathin and ultrafine 2D nanomaterials with high specific surface areas as discussed by the authors.

TL;DR: In this article, a polyaniline (PANi)-coated graphene paper was used to obtain high areal capacitance of 176mF cm−2 in three-electrode system at a current density of 0.2

TL;DR: In this article, the major breakthroughs of Fe-N-C catalysts are outlined with the reference of DOE standards and targets, and the efforts on improving the mass transfer and the durability issue of Fe N-C fuel cell are discussed.