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Editorial

Editorial Energy is an essential material basis for human survival and development. The development and utilization of energy have enormously boosted the development of the world economy and human society. More recently, energy has become a ‘lifeline’ for industrial, social and economic development as well as a precondition for a healthy operation for industrial and social well-being. With economic development and social progress moving forward to a higher level the world over, increasing energy efficiency and cleaner energy has become an urgent priority task on the top of work agendas by many governments. Like many other developing countries, China now faces enormous challenges for developing clean energy in order to sustain and up-lift its economy to be higher-quality and more environmentally friendly. It is against this background that China Energy, in collaboration with the Chinese Academy of Engineering and the Chinese Society of Electrical Engineering, jointly hosted the 2019 International Clean Power Engineering and Technology Summit between 16 and 17 May 2019 in Beijing. Simultaneously, China Energy also held its International Forum on Clean Energy with the main theme of ‘Developing Clean Energy for the Expedition of Energy Revolution’. The overall format of this major event was the arrangement of four sub-forums, namely Clean Thermal Power Forum, Electricity Generation with New and Renewable Energies Forum, Intelligent Power Generation Technologies Forum and the 5th China International Forum on CCUS Technologies. The Summit and the Forum received a warm response, with a high rate of participation of over 600 engineers, researchers, enterprise managers and government officials from both within and outside China. One highlight of the event was a rich contribution by more than 30 members of academies of engineering and sciences from a number of countries. Another one was technical presentations by many young researchers and engineers with a wide range of topics such as prospects of world electricity generation and consumption, the present and development prospect of clean thermal-power generation, the present and future prospect of new and renewable energies, etc. They gave brief but clear presentations to describe their cutting-edge technologies and frontiers of engineering relating to clean-energy development. This issue of Clean Energy features selected articles from the International Clean Energy Forum. The topics of the papers are diverse, reflecting the broad scope of research and development in many areas of clean energy. Solar photovoltaic (PV) cells have come down in price dramatically. Two papers explore ways to further optimize power production and reduce the cost of electricity from solar PV. Sun et al. test the lifetimes of polycrystalline silicon solar PV cells in different climates, while Jiang et al. find ways to reduce the cost of high-efficiency thin-film solar cells made from copper indium gallium selenium. Making the most of variable renewable energy requires inexpensive options for storing electricity. Pan et al. pursue a method for making the carbon anodes of Li-ion batteries cheaper by using a cheap and plentiful feedstock: coal. Renewable-energy generation relies on smart electrical converters. Jørgensen et al. test concepts for the next generation of power electronic converters, which can be applied to electricity production, storage and distribution. Several papers deal with various aspects of the hydrogen economy. Mogensen et al. present a vision of how reversible solid-oxide fuel cells, powered by sustainable energy, may be applied on a large scale for hydrogen-fuel-cell vehicles and for integration with the electrical grid together with seasonal storage by producing hydrogen. Roadblocks remain for the adoption of hydrogen at scale in the transportation section; these are analysed by Li et al. What lies ahead for the hydrogen economy in China? Liu et al. present a conceptual architecture for coal-based hydrogen energy and the corresponding supply chain in China, including methods for producing hydrogen from coal, storing hydrogen and transporting hydrogen. Increasing the efficiency of coal-fired power plants allows them to stay competitive and reduce their emissions of CO2 and other pollutants by reducing the coal input. Power plants are not good places to perform experiments, so sophisticated models—digital twins—are increasingly used as virtual laboratories for optimizing thermal efficiencies and operating performance, as illustrated in the paper by Xu and co-workers. The editors of Clean Energy invite you to experience the examples of clean-energy research around the world in this issue. © The Author(s) 2019. Published by Oxford University Press on behalf of National Institute of Clean-and-Low-Carbon Energy. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Clean Energy Oxford University Press

Editorial

Clean Energy , Volume 3 (3): 2 – Nov 7, 2019
2 pages

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Publisher
Oxford University Press
Copyright
© The Author(s) 2019. Published by Oxford University Press on behalf of National Institute of Clean-and-Low-Carbon Energy.
ISSN
2515-4230
eISSN
2515-396X
DOI
10.1093/ce/zkz022
Publisher site
See Article on Publisher Site

Abstract

Energy is an essential material basis for human survival and development. The development and utilization of energy have enormously boosted the development of the world economy and human society. More recently, energy has become a ‘lifeline’ for industrial, social and economic development as well as a precondition for a healthy operation for industrial and social well-being. With economic development and social progress moving forward to a higher level the world over, increasing energy efficiency and cleaner energy has become an urgent priority task on the top of work agendas by many governments. Like many other developing countries, China now faces enormous challenges for developing clean energy in order to sustain and up-lift its economy to be higher-quality and more environmentally friendly. It is against this background that China Energy, in collaboration with the Chinese Academy of Engineering and the Chinese Society of Electrical Engineering, jointly hosted the 2019 International Clean Power Engineering and Technology Summit between 16 and 17 May 2019 in Beijing. Simultaneously, China Energy also held its International Forum on Clean Energy with the main theme of ‘Developing Clean Energy for the Expedition of Energy Revolution’. The overall format of this major event was the arrangement of four sub-forums, namely Clean Thermal Power Forum, Electricity Generation with New and Renewable Energies Forum, Intelligent Power Generation Technologies Forum and the 5th China International Forum on CCUS Technologies. The Summit and the Forum received a warm response, with a high rate of participation of over 600 engineers, researchers, enterprise managers and government officials from both within and outside China. One highlight of the event was a rich contribution by more than 30 members of academies of engineering and sciences from a number of countries. Another one was technical presentations by many young researchers and engineers with a wide range of topics such as prospects of world electricity generation and consumption, the present and development prospect of clean thermal-power generation, the present and future prospect of new and renewable energies, etc. They gave brief but clear presentations to describe their cutting-edge technologies and frontiers of engineering relating to clean-energy development. This issue of Clean Energy features selected articles from the International Clean Energy Forum. The topics of the papers are diverse, reflecting the broad scope of research and development in many areas of clean energy. Solar photovoltaic (PV) cells have come down in price dramatically. Two papers explore ways to further optimize power production and reduce the cost of electricity from solar PV. Sun et al. test the lifetimes of polycrystalline silicon solar PV cells in different climates, while Jiang et al. find ways to reduce the cost of high-efficiency thin-film solar cells made from copper indium gallium selenium. Making the most of variable renewable energy requires inexpensive options for storing electricity. Pan et al. pursue a method for making the carbon anodes of Li-ion batteries cheaper by using a cheap and plentiful feedstock: coal. Renewable-energy generation relies on smart electrical converters. Jørgensen et al. test concepts for the next generation of power electronic converters, which can be applied to electricity production, storage and distribution. Several papers deal with various aspects of the hydrogen economy. Mogensen et al. present a vision of how reversible solid-oxide fuel cells, powered by sustainable energy, may be applied on a large scale for hydrogen-fuel-cell vehicles and for integration with the electrical grid together with seasonal storage by producing hydrogen. Roadblocks remain for the adoption of hydrogen at scale in the transportation section; these are analysed by Li et al. What lies ahead for the hydrogen economy in China? Liu et al. present a conceptual architecture for coal-based hydrogen energy and the corresponding supply chain in China, including methods for producing hydrogen from coal, storing hydrogen and transporting hydrogen. Increasing the efficiency of coal-fired power plants allows them to stay competitive and reduce their emissions of CO2 and other pollutants by reducing the coal input. Power plants are not good places to perform experiments, so sophisticated models—digital twins—are increasingly used as virtual laboratories for optimizing thermal efficiencies and operating performance, as illustrated in the paper by Xu and co-workers. The editors of Clean Energy invite you to experience the examples of clean-energy research around the world in this issue. © The Author(s) 2019. Published by Oxford University Press on behalf of National Institute of Clean-and-Low-Carbon Energy. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

Journal

Clean EnergyOxford University Press

Published: Nov 7, 2019

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