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Blockchain-based prosumer incentivization for peak mitigation through temporal aggregation and contextual clustering

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Blockchain(Research and Applications) 2021年第2期2卷 82-96页

作者： Nikita Karandikar Rockey Abhishek Nishant Saurabh Zhiming Zhao alexander lercher Ninoslav Marina Radu Prodan Chunming Rong Antorweep Chakravorty Department of Electrical Engineering and Computer Science University of StavangerStavanger86004036Norway Department of Energy and Petroleum Engineering University of StavangerStavanger86004036Norway Institute of Information Technology University of KlagenfurtKlagenfurt am Worthersee9020Austria Multiscale Networked Systems University of AmsterdamAmsterdam 1012 WXNetherlands University of Information Science and Technology OhridNorth Macedonia

Peak mitigation is of interest to power companies as peak periods may require the operator to over provision supply in order to meet the peak *** the usage curve can result in cost savings,both for the power companies and the end *** of renewable energy into the energy infrastructure presents an opportunity to use excess renewable generation to supplement supply and alleviate *** addition,demand side management can shift the usage from peak to off-peak times and reduce the magnitude of *** this work,we present a data driven approach for incentive-based peak *** user energy profiles is an essential step in this *** begin by analysing a popular energy research dataset published by the Ausgrid *** aggregated user energy behavior in temporal contexts and semantic linking and contextual clustering give us insight into consumption and rooftop solar generation *** implement,and performance test a blockchain-based prosumer incentivization *** smart contract logic is based on our analysis of the Ausgrid *** implementation is capable of supporting 792,540 customers with a reasonably low infrastructure footprint.

关键词： Peak shaving Aggregation analysis Contextual clustering Blockchain Incentivization

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Impact of solvents and surfactants on the self-assembly of nanostructured amine functionalized silica spheres for CO_(2) capture

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Journal of Energy Chemistry 2016年第2期25卷 325-333页

作者： Edith Berger Maximilian W.Hahn Thomas Przybilla Benjamin Winter Erdmann Spiecker Andreas Jentys Johannes A.lercher Department of Chemistry and Catalysis Research Center Technische Universitat Munchen Lichtenbergstraβe 485747 GarchingGermany Center for Nanoanalysis and Electron Microscopy(CENEM)&Institute of Micro-and Nanostructure Research Friedrich-Alexander-Universitat Erlangen-NurnbergCauerstraβe 691058 ErlangenGermany

Macroscopic SiO2 spheres with a homogeneous amine distribution were synthesized by a one-step emulsion based synthesis approach in a flow column reactor. The CO2 adsorption capacity of the nanostructured amine-functionalized silica spheres was studied in absence and presence of H2O. The structural properties were adjusted by varying solvents and surfactants during the synthesis and, at constant amine loadings, were found to be the main factor for influencing the CO2 sorption capacities. Under water-free conditions CO2 is bound to the amino groups via the formation of carbamates, which require two neighboring amino groups to adsorb one CO2 molecule. At constant amine concentrations sorbents with lower surface area allow to establish a higher amine density on the surface, which enhances the CO2 uptake capacities under dry conditions. In presence of H2O the CO2 adsorption changes to 1：1 stoichiometry due to stabilization of carbamates by protonation of H2O and formation of further species such as bicarbonates, which should in principle double the adsorption capacities. Low concentrations of physisorbed H2O（0.3 mmol/g） did not impair the adsorption capacity of the adsorbents for CO2, while at higher water uptakes（0.6 and 1.1 mmol/g） the CO2 uptake is reduced, which could be attributed to capillary condensation of H2O or formation of bulky reaction products blocking inner pores and access to active sites.

关键词： Carbon dioxide Amines Green solvent Surfactant Water(H2O) Carbamate Bicarbonate

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