Investigating the BECCS resource nexus: delivering sustainable negative emissions

Fajardy, Mathilde; Chiquier, Solene; Dowell, Niall Mac

doi:10.1039/c8ee01676c

Cited by 107 publications

(69 citation statements)

References 47 publications

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“…The blue shift originates from the reduction of spontaneous non-radiative recombination due to the trap states, which provides an explanation for the improvement of V OC and FF. [43] Figure 4d shows the TRPL spectra, which are fitted by a biexponential rate law. The pristine film exhibits the fastest decay of τ 1 = 9.3 ns and τ 2 = 75.6 ns, respectively.…”

Section: Doi: 101002/adma201904347mentioning

confidence: 99%

“…Interestingly, the PL peak at 770 nm for pristine perovskite shifts to 762 nm for the GdF 3 –aminobutanol‐based sample. The blue shift originates from the reduction of spontaneous non‐radiative recombination due to the trap states, which provides an explanation for the improvement of V OC and FF . Figure d shows the TRPL spectra, which are fitted by a biexponential rate law.…”

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confidence: 96%

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Suppressing Vacancy Defects and Grain Boundaries via Ostwald Ripening for High‐Performance and Stable Perovskite Solar Cells

et al. 2019

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As one kind of promising next‐generation photovoltaic devices, perovskite solar cells (PVSCs) have experienced unprecedented rapid growth in device performance over the past few years. However, the practical applications of PVSCs require much improved device long‐term stability and performance, and internal defects and external humidity sensitivity are two key limitation need to be overcome. Here, gadolinium fluoride (GdF3) is added into perovskite precursor as a redox shuttle and growth‐assist; meanwhile, aminobutanol vapor is used for Ostwald ripening in the formation of the perovskite layer. Consequently, a high‐quality perovskite film with large grain size and few grain boundaries is obtained, resulting in the reduction of trap state density and carrier recombination. As a result, a power conversion efficiency of 21.21% is achieved with superior stability and negligible hysteresis.

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Section: Doi: 101002/adma201904347mentioning

confidence: 99%

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confidence: 96%

Suppressing Vacancy Defects and Grain Boundaries via Ostwald Ripening for High‐Performance and Stable Perovskite Solar Cells

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“…Consequently, when cultivating bioenergy crops, potentially adverse effects on food security need to be taken into consideration, on both a global and, in particular, local level [37,44,45]. This pressure on food security mainly applies to first-generation bioenergy crop cultivation on good arable soils [45][46][47][48][49][50]. As far as marginal agricultural land is concerned, the land use conflict with food crop cultivation is low [42,49,[51][52][53][54]-indicating great bioenergy potential in these areas.…”

Section: Introductionmentioning

confidence: 99%

“…This pressure on food security mainly applies to first-generation bioenergy crop cultivation on good arable soils [45][46][47][48][49][50]. As far as marginal agricultural land is concerned, the land use conflict with food crop cultivation is low [42,49,[51][52][53][54]-indicating great bioenergy potential in these areas. Here, marginal agricultural land is defined as 'lands having limitations which, in aggregate, are severe for the sustained application of a given use, and/or are sensitive to land degradation as a result of inappropriate human intervention, and/or have lost already part or all of their productive capacity as a result of inappropriate human intervention' [55].…”

Section: Introductionmentioning

confidence: 99%

Prospects of Bioenergy Cropping Systems for A More Social-Ecologically Sound Bioeconomy

et al. 2019

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The growing bioeconomy will require a greater supply of biomass in the future for both bioenergy and bio-based products. Today, many bioenergy cropping systems (BCS) are suboptimal due to either social-ecological threats or technical limitations. In addition, the competition for land between bioenergy-crop cultivation, food-crop cultivation, and biodiversity conservation is expected to increase as a result of both continuous world population growth and expected severe climate change effects. This study investigates how BCS can become more social-ecologically sustainable in future. It brings together expert opinions from the fields of agronomy, economics, meteorology, and geography. Potential solutions to the following five main requirements for a more holistically sustainable supply of biomass are summarized: (i) bioenergy-crop cultivation should provide a beneficial social-ecological contribution, such as an increase in both biodiversity and landscape aesthetics, (ii) bioenergy crops should be cultivated on marginal agricultural land so as not to compete with food-crop production, (iii) BCS need to be resilient in the face of projected severe climate change effects, (iv) BCS should foster rural development and support the vast number of small-scale family farmers, managing about 80% of agricultural land and natural resources globally, and (v) bioenergy-crop cultivation must be planned and implemented systematically, using holistic approaches. Further research activities and policy incentives should not only consider the economic potential of bioenergy-crop cultivation, but also aspects of biodiversity, soil fertility, and climate change adaptation specific to site conditions and the given social context. This will help to adapt existing agricultural systems in a changing world and foster the development of a more social-ecologically sustainable bioeconomy.

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“…Other authors follow this trend regarding energy from different perspectives: a reorientation of productive energy distribution towards others, such as biogas, biodiesel, or bioethanol to close the carbon cycle in nature [24]; the achievement of a given objective of carbon dioxide elimination through the framework of Modelling and Optimisation of Negative Emission Technologies (MONET) [25], or an analysis of the impact of traditional and alternative energy resources on economic growth, the transport sector, and the carbon dioxide emissions [26].…”

Section: Introductionmentioning

confidence: 99%

Energy, Economy, and Environment: A Worldwide Research Update

et al. 2019

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This paper has reviewed the international research on the interactions between the Economy, Energy, and Environment (3E) in the 21st century. For this purpose, a bibliometric and cluster analysis by fractional accounting has been carried out based on the two most important databases: Web of Science (WoS) and Scopus. The research found and studied 2230 documents from the WoS Core Collection and 3,149 from Scopus. The results show a continuous increase in the number of articles that were published and citations during the whole period. They also showed that China and the United States (U.S.) were the most productive countries and there was a predominance of Asian organizations supporting and fostering researches. The main contribution of this article is the analysis of keywords from 2001 to 2018. The trends show that the main common elements are sustainable development and sustainability and they also include CO2 emissions and consumption. Future research in this field should address the energy transition issue in the area of sustainable development by adapting it to the restrictions of this economic model.

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Investigating the BECCS resource nexus: delivering sustainable negative emissions

Abstract: BECCS performance can be measured by a wide range of technical and sustainability indicators, which can be negatively correlated. An exclusive focus on BECCS technical performance – CO2 removal and electricity production, can result in negative consequences for the broader environment.

Cited by 107 publications

References 47 publications

Suppressing Vacancy Defects and Grain Boundaries via Ostwald Ripening for High‐Performance and Stable Perovskite Solar Cells

Suppressing Vacancy Defects and Grain Boundaries via Ostwald Ripening for High‐Performance and Stable Perovskite Solar Cells

Prospects of Bioenergy Cropping Systems for A More Social-Ecologically Sound Bioeconomy

Energy, Economy, and Environment: A Worldwide Research Update

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