Long Term Impact of Grid Level Energy Storage on Renewable Energy Penetration and Emissions in the Chilean Electric System

Chile has abundant solar and wind resources and renewable generation is becoming competitive with fossil fuel generation. However, due to renewable resource variability their large-scale integration into the electricity grid is not trivial. This study evaluates the long-term impact of grid level energy storage, specifically Pumped Thermal Energy Storage (PTES), on the penetration of solar and wind energies and on CO2 emissions reduction in Chile. A cost based linear optimization model of the Chilean electricity system is developed and used to analyse and optimize different renewable generation, transmission and energy storage scenarios until 2050. For the base scenario of decommissioning ageing coal plants and no new coal and large hydro generation, the generation gap is filled by solar photovoltaic (PV), concentrated solar power (CSP) and flexible gas generation with the associated drop of 78% in the CO2 emission factor. The integration of on-grid 8h capacity storage increases the solar PV fraction which leads to a 6% reduction in operation and investment costs by 2050. However, this does not necessarily lead to further reductions in the long term emissions. Thus, it is crucial to consider all aspects of the energy system when planning the transition to a low carbon electricity system.

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A Perspective On The Impact of COVID-19 Pandemic in Basic Science Research and its Future implications

Coronaviruses ◽

10.2174/2666796701999201223161636 ◽

2020 ◽

Vol 01 ◽

Author(s):

Yam Nath Paudel ◽

Efthalia Angelopoulou ◽

Bhupendra Raj Giri ◽

Christina Piperi ◽

Iekhsan Othman ◽

...

Keyword(s):

Basic Science ◽

Large Scale ◽

Preventive Measure ◽

Science Research ◽

Research Institutes ◽

Basic Science Research ◽

Long Term Consequences ◽

Long Term Impact ◽

The Impact

: COVID-19 has emerged as a devastating pandemic of the century that the current generations have ever experienced. The COVID-19 pandemic has infected more than 12 million people around the globe and 0.5 million people have succumbed to death. Due to the lack of effective vaccines against the COVID-19, several nations throughout the globe has imposed a lock-down as a preventive measure to lower the spread of COVID-19 infection. As a result of lock-down most of the universities and research institutes has witnessed a long pause in basic science research ever. Much has been talked about the long-term impact of COVID-19 in economy, tourism, public health, small and large-scale business of several kind. However, the long-term implication of these research lab shutdown and its impact in the basic science research has not been much focused. Herein, we provide a perspective that portrays a common problem of all the basic science researchers throughout the globe and its long-term consequences.

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A Novel Iron Chloride Red-Ox Concentration Flow Cell Battery (ICFB) Concept; Power and Electrode Optimization

Energies ◽

10.3390/en14041109 ◽

2021 ◽

Vol 14 (4) ◽

pp. 1109

Author(s):

Robert Bock ◽

Björn Kleinsteinberg ◽

Bjørn Selnes-Volseth ◽

Odne Stokke Burheim

Keyword(s):

Energy Storage ◽

Large Scale ◽

Fossil Fuels ◽

Flow Cell ◽

Iron Chloride ◽

Carbon Electrodes ◽

Concentration Difference ◽

Term Energy ◽

Short And Long Term

For renewable energies to succeed in replacing fossil fuels, large-scale and affordable solutions are needed for short and long-term energy storage. A potentially inexpensive approach of storing large amounts of energy is through the use of a concentration flow cell that is based on cheap and abundant materials. Here, we propose to use aqueous iron chloride as a reacting solvent on carbon electrodes. We suggest to use it in a red-ox concentration flow cell with two compartments separated by a hydrocarbon-based membrane. In both compartments the red-ox couple of iron II and III reacts, oxidation at the anode and reduction at the cathode. When charging, a concentration difference between the two species grows. When discharging, this concentration difference between iron II and iron III is used to drive the reaction. In this respect it is a concentration driven flow cell redox battery using iron chloride in both solutions. Here, we investigate material combinations, power, and concentration relations.

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Towards a Greener and Scalable Synthesis of Na 2 Ti 6 O 13 Nanorods and Their Application as Anodes in Batteries for Grid‐Level Energy Storage

Energy Technology ◽

10.1002/ente.202170011 ◽

2021 ◽

Vol 9 (1) ◽

pp. 2170011

Author(s):

Dario M. De Carolis ◽

Dragoljub Vrankovic ◽

Samira A. Kiefer ◽

Enrico Bruder ◽

Michael Thomas Dürrschnabel ◽

...

Keyword(s):

Energy Storage ◽

Level Energy ◽

Scalable Synthesis ◽

Grid Level

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Enhancing long-term voltage stability of a power system integrated with large-scale photovoltaic plants using a battery energy storage control scheme

International Journal of Electrical Power & Energy Systems ◽

10.1016/j.ijepes.2021.107059 ◽

2021 ◽

Vol 131 ◽

pp. 107059

Author(s):

Hooman Nasrazadani ◽

Alireza Sedighi ◽

Hossein Seifi

Keyword(s):

Energy Storage ◽

Power System ◽

Large Scale ◽

Voltage Stability ◽

Battery Energy Storage ◽

Control Scheme ◽

Battery Energy ◽

Photovoltaic Plants

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A Fuzzy-ANP Approach for Comprehensive Benefit Evaluation of Grid-Side Commercial Storage Project

Energies ◽

10.3390/en14041129 ◽

2021 ◽

Vol 14 (4) ◽

pp. 1129

Author(s):

Huijia Yang ◽

Weiguang Fan ◽

Guangyu Qin ◽

Zhenyu Zhao

Keyword(s):

Energy Storage ◽

Evaluation System ◽

Large Scale ◽

Stable Operation ◽

Low Carbon ◽

Profit Model ◽

Benefit Evaluation ◽

Comprehensive Benefit ◽

Grid Side ◽

Business Mode

With the increasing demand for clean and low-carbon energy, high proportion of renewable energy has been integrated into the receiving-end grid. The grid-side energy storage project can ensure the safe and stable operation of the grid, but it still faces many problems, such as high initial investment, difficult operation and maintenance, unclear profit model, lack of business mode. Therefore, it is of great significance to evaluate the comprehensive benefit of energy storage projects in order to guide the sustainable development of large-scale energy storage projects and power system. By studying the technical and economic characteristics of energy storage, this paper establishes a comprehensive evaluation system from four dimensions of energy efficiency, economic, social, and environmental benefit. Combined with typical business modes and determining the subdivision index system of different modes, the comprehensive benefit evaluation model of grid-side commercial storage project based on Fuzzy-Analytic Network Process (ANP) approach is established. Empirical analysis of a 100-megawatt storage project is carried out to evaluate the project benefits comprehensively, the potential problems of the market development and business mode of the grid-side large-scale storage project are discussed, and the future development orientation and suggestions are put forward.

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Overview on the Liquid Metal Battery for Grid-Level Large-Scale Energy Storage

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.723.572 ◽

2016 ◽

Vol 723 ◽

pp. 572-578

Author(s):

Li Fu ◽

Qi Chi Le ◽

Xi Bo Wang ◽

Xuan Liu ◽

Wei Tao Jia

Keyword(s):

Energy Storage ◽

Liquid Metal ◽

Large Scale ◽

Low Cost ◽

Advantages And Disadvantages ◽

Comprehensive Comparison ◽

Development And Utilization ◽

Working Principle ◽

Liquid Metal Battery ◽

Grid Level

In recent years, the development and utilization of renewable generation have attracted more and more attention, and the grid puts forward higher requirements to the energy storage technology, especially for security, stability and reliability. The liquid metal battery (LMB) consists of two liquid metal electrodes and a molten salt electrolyte, which will be segregated into three liquid layers naturally. Being low-cost and long-life, it is regarded as the best choice for grid-level large-scale energy storage. This paper describes the main structure and working principle of the LMB, analyzes the advantages and disadvantages of the LMB when compared with the traditional batteries, and explores the feasibility and economy when it is used as a kind of large-scale energy storage applied in the power grid. The paper also makes a comprehensive comparison on the performance of several LMBs, and points out the LMB’s research and development in the future.

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Topophilia, Placemaking, and Boundary Work

Proceedings of the ACM on Human-Computer Interaction ◽

10.1145/3492843 ◽

2022 ◽

Vol 6 (GROUP) ◽

pp. 1-33

Author(s):

Janghee Cho ◽

Samuel Beck ◽

Stephen Voida

Keyword(s):

Large Scale ◽

Methodological Approach ◽

Work Practice ◽

Small Scale ◽

Work From Home ◽

Humanistic Geography ◽

Working From Home ◽

Long Term Impact

The COVID-19 pandemic fundamentally changed the nature of work by shifting most in-person work to a predominantly remote modality as a way to limit the spread of the coronavirus. In the process, the shift to working-from-home rapidly forced the large-scale adoption of groupware technologies. Although prior empirical research examined the experience of working-from-home within small-scale groups and for targeted kinds of work, the pandemic provides HCI and CSCW researchers with an unprecedented opportunity to understand the psycho-social impacts of a universally mandated work-from-home experience rather than an autonomously chosen one. Drawing on boundary theory and a methodological approach grounded in humanistic geography, we conducted a qualitative analysis of Reddit data drawn from two work-from-home-related subreddits between March 2020 and January 2021. In this paper, we present a characterization of the challenges and solutions discussed within these online communities for adapting work to a hybrid or fully remote modality, managing reconfigured work-life boundaries, and reconstructing the home's sense of place to serve multiple, sometimes conflicting roles. We discuss how these findings suggest an emergent interplay among adapted work practice, reimagined physical (and virtual) spaces, and the establishment and continual re-negotiation of boundaries as a means for anticipating the long-term impact of COVID on future conceptualizations of productivity and work.

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