Browsing by Author "Tang, Pengyi"
Now showing items 1-13 of 13
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A high conductivity 1D p–d conjugated metal–organic framework with efficient polysulfide trapping-diffusion-catalysis in lithium–sulfur batteries
(John Wiley & sons, 2022-03-10)
Article
Open AccessThe shuttling behavior and sluggish conversion kinetics of the intermediate lithium polysulfides (LiPS) represent the main obstructions to the practical application of lithium–sulfur batteries (LSBs). Herein, a 1D p–d ... -
A prototype reactor for highly selective solar-driven CO2 reduction to synthesis gas using nanosized earth-abundant catalysts and silicon photovoltaics
(2017-10)
Article
Open AccessThe conversion of carbon dioxide (CO2) into value-added chemicals and fuels, preferably using renewable energy and earth-abundant materials, is considered a key priority for future energy research. In this work, a bias-free ... -
Atomically dispersed Fe in a C2N based catalyst as a sulfur host for efficient lithium–sulfur batteries
(2021-02-04)
Article
Open AccessLithium–sulfur batteries (LSBs) are considered to be one of the most promising next generation energy storage systems due to their high energy density and low material cost. However, there are still some challenges for the ... -
Colloidal Ni-Co-Sn nanoparticles as efficient electrocatalysts for the methanol oxidation reaction
(Royal Society of Chemistry (RSC), 2018-01-01)
Article
Open AccessThe deployment of direct methanol fuel cells requires engineering cost-effective and durable electrocatalysts for the methanol oxidation reaction (MOR). As an alternative to noble metals, Ni-based alloys have shown excellent ... -
Co–Sn nanocrystalline solid solutions as anode materials in lithium-ion batteries with high pseudocapacitive contribution
(2019-04-05)
Article
Open AccessCo–Sn solid-solution nanoparticles with Sn crystal structure and tuned metal ratios were synthesized by a facile one pot solution-based procedure involving the initial reduction of a Sn precursor followed by incorporation ... -
Molecular engineering to introduce carbonyl between nickel salophen active sites to enhance electrochemical CO2 reduction to methanol
(Elsevier, 2022-10-05)
Article
Open AccessThe electrochemical reduction of CO2 to methanol is a potentially cost-effective strategy to reduce the concentration of this greenhouse gas while at the same time producing a value-added chemical. Herein, we detail a ... -
Molecular engineering to tune the ligand environment of atomically dispersed nickel for efficient alcohol electrochemical oxidation
(2021-09-16)
Article
Open AccessAtomically dispersed metals maximize the number of catalytic sites and enhance their activity. However, their challenging synthesis and characterization strongly complicates their optimization. Here, the aim is to demonstrate ... -
Multilayered hematite nanowires with thin-film silicon photovoltaics in an all-Earth-abundant hybrid tandem device for solar water splitting
(2019-04-05)
Article
Open AccessThe concept of hybrid tandem device structures that combine metal oxides with thin-film semiconducting photoabsorbers holds great promise for large-scale, robust, and cost-effective bias-free photoelectrochemical water ... -
NiSn bimetallic nanoparticles as stable electrocatalysts for methanol oxidation reaction
(2018-10-15)
Article
Open AccessNickel is an excellent alternative catalyst to high cost Pt and Pt-group metals as anode material in direct methanol fuel cells. However, nickel presents a relatively low stability under operation conditions, even in ... -
Role of tungsten doping on the surface states in BiVO4 photoanodes for water oxidation: tuning the electron trapping process
(2018-03-09)
Article
Open AccessThe nanostructured BiVO4 photoanodes were prepared by electrospinning and were further characterized by XRD, SEM, and XPS, confirming the bulk and surface modification of the electrodes attained by W addition. The role of ... -
Stability of Pd3Pb nanocubes during electrocatalytic ethanol oxidation
(American Chemical Society (ACS), 2020-02-07)
Article
Open AccessIntermetallic Pd3Pb nanocrystals with controlled size and cubic geometry exposing (100) facets are synthesized and tested as electrocatalysts for ethanol oxidation in alkaline media. We observe the ethanol oxidation activity ... -
Superior methanol electrooxidation performance of (110)-faceted nickel polyhedral nanocrystals
(Royal Society of Chemistry (RSC), 2019-10-14)
Article
Open AccessWe present the synthesis of (110)-faceted nickel polyhedral nanocrystals (NCs) and their characterization as electrocatalysts for the methanol oxidation reaction (MOR). Ni NCs were produced at 180 °C through the reduction ... -
Upscaling high activity oxygen evolution catalysts based on CoFe2O4 nanoparticles supported on nickel foam for power-to-gas electrochemical conversion with energy efficiencies above 80%
(2019-12-15)
Article
Open AccessWe investigate cobalt ferrite nanoparticles (NPs) supported on large-scale electrodes as oxygen evolution reaction (OER) catalysts. Colloidal CoFe2O4 NPs were loaded on low-cost and high surface area nickel foam (NF) ...
