Insight into the Characterization of Sea-Salt Batteries

Batteries are one of the main tools to provide the flexibility distribution and transmission systems need due to their increasing dependence on weather conditions. However, environmental and economic factors pose a significant problem. New types of batteries that do not rely on rare earth metals and organic solvents but instead use water and...

Effect of different alkali metal cations on the oxygen evolution activity and battery capacity of nickel electrodes in concentrated hydroxide electrolytes

The effect of different alkali metal cations on the oxygen evolution activity and battery capacity of nickel electrodes has recently been studied in low concentration alkali hydroxide electrolytes. As high concentration hydroxide electrolytes are favored in applications due to their high conductivity, we investigate if the cation effects...

Optimisation-based system designs for deep offshore wind farms including power to gas technologies

A large deployment of energy storage solutions will be required by the stochastic and non-controllable nature of most renewable energy sources when planning for higher penetration of renewable electricity into the energy mix. Various solutions have been suggested for dealing with medium- and long-term energy storage. Hydrogen and ammonia are...

Design principles for efficient photoelectrodes in solar rechargeable redox flow cell applications

Recent advances in photoelectrochemical redox flow cells, such as solar redox flow batteries, have received much attention as an alternative integrated technology for simultaneous conversion and storage of solar energy. Theoretically, it has been reported that even single- photon devices can demonstrate unbiased photo-charging with high solar-to...

Hidden Figures of Photo-charging: a thermo-electrochemical approach for a solar-rechargeable redox flow cell system

Achieving high current densities without thermal performance degradation at high temperatures is one of the main challenges for enhancing the competitiveness of photo-electrochemical energy storage systems. We describe a system that overcomes this challenge by incorporating an integrated photoelectrode with a redox flow cell, which functions...

E-mobility 시대의 에너지저장매체 선택 기준

The acid–base flow battery: Sustainable energy storage via reversible water dissociation with bipolar membranes

The increasing share of renewables in electric grids nowadays causes a growing daily and seasonal mismatch between electricity generation and demand. In this regard, novel energy storage systems need to be developed, to allow large-scale storage of the excess electricity during low-demand time, and its distribution during peak demand time....

Tailored energy level alignment at MoOX/GaP interface for solar-driven redox flow battery application

MoOX is commonly considered to be a high work-function semiconductor. From x-ray photoelectron spectroscopy and photoelectrochemical analysis, it is shown that MoOX can be considered as an effective hole transfer layer for the GaP-based device. Specifically, in the absence of carbon contamination using an ion beam cleaning step, the oxygen...

Improving Na-beta”-alumina interface and grain boundary as solid-state electrolyte for large scale Room Temperature applications: Effect of particle size and liquid addition on capacity, conductivity and cyclability

The aim of my project at the Storage of Electrochemical Energy section of the TU Delft is to improve the performance and uncover the electrolytic hurdles of the widely used Na-beta”-alumina solid electrolyte within Sodium semi solid-state batteries at Room Temperature. Na-beta”-alumina could be an interesting candidate to replace volatile and...

Hybrid Hydro Habitat: A translation of energy and water measures into architectural and socio-economic value

The municipality of Amsterdam has come forth with a request for architecture students of the Technical University of Delft within the studio of Complex Projects to investigate the future challenges of Amsterdam through scenario-research and hence come up with proposed spatial and/or architectural configurations for the year 2050. This all with...

Battery Free Jogger Light: Energy Storage

The deliverable of this project is a light for joggers that does not use a battery and keeps blinking for a short period of time after standing still. This research details the design and implementation of the storage part of a battery free jogger's light. The goal of this storage part is that it stores energy delivered by an energy harvester so...

Unravelling the practical solar charging performance limits of redox flow batteries based on a single photon device system

In recent years, solar redox flow batteries have attracted attention as a possible integrated technology for simultaneous conversion and storage of solar energy. Unlike solar water splitting technologies which require at least 1.8V for meaningful performance, a lesson learned from previous solar redox flow battery (SRFB) studies is that even...

Investigating Hybrid Battery configuration for Solar Home Systems

The fact that the developing world struggles to cover even the most basics of needs, in contrast to the developed world, is tangibly connected to the lack of electricity. As many developing nations, especially the ones located in rural areas, face many difficulties to access the grid, alternative stand-alone solutions such as Solar Home Systems ...

N,N'-dimethyl-1,4,5,8-naphthalene-carboxylicdimide as electrode material for cheap & large scale sodium ion batteries

Energy storage plays a key role in the transit from fossil fuels, as main energy source, to sustainable ones. In this work, it is tried to find an electrode material which can eventually be used in potentially cheap, large scale rechargeable sodium-ion batteries. This application would ideally be made of abundant, safe and environmental friendly...

System design for a solar powered electric vehicle charging station for workplaces

This paper investigates the possibility of charging battery electric vehicles at workplace in Netherlands using solar energy. Data from the Dutch Meteorological Institute is used to determine the optimal orientation of PV panels for maximum energy yield in the Netherlands. The seasonal and diurnal variation in solar insolation is analyzed to...