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Institution

Energy Institute

OtherLondon, United Kingdom
About: Energy Institute is a other organization based out in London, United Kingdom. It is known for research contribution in the topics: Renewable energy & Heat transfer. The organization has 4153 authors who have published 4599 publications receiving 86930 citations.


Papers
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Journal ArticleDOI
TL;DR: In this paper, the authors start from the observation that there is a renewed interest in small-scale electricity generation and then move on with a discussion of the major benefits and issues of Small-Scale Electricity Generation.

1,599 citations

Journal ArticleDOI
TL;DR: In this article, an optimal power management mechanism for grid connected photovoltaic (PV) systems with storage is presented, where the structure of a power supervisor based on an optimal predictive power scheduling algorithm is proposed.
Abstract: This paper presents an optimal power management mechanism for grid connected photovoltaic (PV) systems with storage. The objective is to help intensive penetration of PV production into the grid by proposing peak shaving service at the lowest cost. The structure of a power supervisor based on an optimal predictive power scheduling algorithm is proposed. Optimization is performed using Dynamic Programming and is compared with a simple ruled-based management. The particularity of this study remains first in the consideration of batteries ageing into the optimization process and second in the “day-ahead” approach of power management. Simulations and real conditions application are carried out over one exemplary day. In simulation, it points out that peak shaving is realized with the minimal cost, but especially that power fluctuations on the grid are reduced which matches with the initial objective of helping PV penetration into the grid. In real conditions, efficiency of the predictive schedule depends on accuracy of the forecasts, which leads to future works about optimal reactive power management.

902 citations

Journal ArticleDOI
TL;DR: This work focuses on overcoming recalcitrance with biochemical conversion, which uses low-severity thermochemical pretreatment followed by enzymatic hydrolysis to produce soluble sugars.
Abstract: Plants represent a vast, renewable resource and are well suited to provide sustainably for humankind’s transportation fuel needs. To produce infrastructure-compatible fuels from biomass, two challenges remain: overcoming plant cell wall recalcitrance to extract sugar and phenolic intermediates, and reduction of oxygenated intermediates to fuel molecules. To compete with fossil-based fuels, two primary routes to deconstruct cell walls are under development, namely biochemical and thermochemical conversion. Here, we focus on overcoming recalcitrance with biochemical conversion, which uses low-severity thermochemical pretreatment followed by enzymatic hydrolysis to produce soluble sugars. Many challenges remain, including understanding how pretreatments affect the physicochemical nature of heterogeneous cell walls; determination of how enzymes deconstruct the cell wall effectively with the aim of designing superior catalysts; and resolution of issues associated with the co-optimization of pretreatment, enzymatic hydrolysis, and fermentation. Here, we highlight some of the scientific challenges and open questions with a particular focus on problems across multiple length scales.

860 citations

Journal ArticleDOI
30 Jul 2015-Nature
TL;DR: It is shown that large eruptions in the tropics and high latitudes were primary drivers of interannual-to-decadal temperature variability in the Northern Hemisphere during the past 2,500 years and cooling was proportional to the magnitude of volcanic forcing.
Abstract: Volcanic eruptions contribute to climate variability, but quantifying these contributions has been limited by inconsistencies in the timing of atmospheric volcanic aerosol loading determined from ice cores and subsequent cooling from climate proxies such as tree rings. Here we resolve these inconsistencies and show that large eruptions in the tropics and high latitudes were primary drivers of interannual-to-decadal temperature variability in the Northern Hemisphere during the past 2,500 years. Our results are based on new records of atmospheric aerosol loading developed from high-resolution, multi-parameter measurements from an array of Greenland and Antarctic ice cores as well as distinctive age markers to constrain chronologies. Overall, cooling was proportional to the magnitude of volcanic forcing and persisted for up to ten years after some of the largest eruptive episodes. Our revised timescale more firmly implicates volcanic eruptions as catalysts in the major sixth-century pandemics, famines, and socioeconomic disruptions in Eurasia and Mesoamerica while allowing multi-millennium quantification of climate response to volcanic forcing.

841 citations

Journal ArticleDOI
TL;DR: In this paper, major technical solutions include: (1) applying electrochemical models to predict the critical conditions for deposition initiation; (2) preventions by improved battery design and material modification; and (3) applying adequate charging protocols to inhibit lithium deposition.

727 citations


Authors

Showing all 4155 results

NameH-indexPapersCitations
David Eisenberg156697112460
Paul G. Falkowski12737864898
Robert H. Crabtree11367848634
John Ralph10944239238
Christodoulos A. Floudas9548130990
Ronald T. Raines9052331276
Joseph A. Loo8941326162
Dionisios G. Vlachos8652224687
Tianshou Zhao8544124789
Arthur J. Nozik8426634277
Harvey W. Blanch8435322098
Pamela C. Ronald8331527600
Matteo Pellegrini8041930546
Teresa J. Bandosz8046424499
Chunshan Song7858327881
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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
20231
202236
2021419
2020381
2019315
2018288