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  • 1
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    Energies, Vol. 6, Pages 2644-2662: Life Cycle GHG of NG-Based Fuel and Electric Vehicle in China (2013)
    MDPI Publishing
    In: Energies
    Details
    Publication Date: 2013-05-23
    Description: This paper compares the greenhouse gas (GHG) emissions of natural gas (NG)- based fuels to the GHG emissions of electric vehicles (EVs) powered with NG-to-electricity in China. A life-cycle model is used to account for full fuel cycle and use-phase emissions, as well as vehicle cycle and battery manufacturing. The reduction of life-cycle GHG emissions of EVs charged by electricity generated from NG, without utilizing carbon dioxide capture and storage (CCS) technology can be 36%–47% when compared to gasoline vehicles. The large range change in emissions reduction potential is driven by the different generation technologies that could in the future be used to generate electricity in China. When CCS is employed in power plants, the GHG emission reductions increase to about 71%–73% compared to gasoline vehicles. It is found that compressed NG (CNG) and liquefied NG (LNG) fuels can save about 10% of carbon as compared to gasoline vehicles. However, gas-to-liquid (GTL) fuel made through the Fischer-Tropsch method will likely lead to a life-cycle GHG emissions increase, potentially 3%–15% higher than gasoline, but roughly equal to petroleum-based diesel. When CCS is utilized, the GTL fueled vehicles emit roughly equal GHG emissions to petroleum-based diesel fuel high-efficient hybrid electric vehicle from the life-cycle perspective.
    Electronic ISSN: 1996-1073
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by MDPI Publishing
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  • 2
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    Ultrathin two-dimensional porous organic nanosheets with molecular rotors for chemical sensing (2017)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2017-10-26
    Description: Ultrathin two-dimensional porous organic nanosheets with molecular rotors for chemical sensing Nature Communications, Published online: 26 October 2017; doi:10.1038/s41467-017-01293-x Molecular rotors that fluoresce upon restriction are useful components in functional materials. Here, the authors incorporate molecular rotors into 2D porous organic nanosheets, creating sensitive and selective fluorescent sensors for volatile organic compounds and metal ions.
    Electronic ISSN: 2041-1723
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 3
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    Energies, Vol. 11, Pages 1167: A Comprehensive Review of the Techniques on Regenerative Shock Absorber Systems (2018)
    MDPI Publishing
    In: Energies
    Details
    Publication Date: 2018-05-08
    Description: Energies, Vol. 11, Pages 1167: A Comprehensive Review of the Techniques on Regenerative Shock Absorber Systems Energies doi: 10.3390/en11051167 Authors: Ran Zhang Xu Wang Sabu John In this paper, the current technologies of the regenerative shock absorber systems have been categorized and evaluated. Three drive modes of the regenerative shock absorber systems, namely the direct drive mode, the indirect drive mode and hybrid drive mode are reviewed for their readiness to be implemented. The damping performances of the three different modes are listed and compared. Electrical circuit and control algorithms have also been evaluated to maximize the power output and to deliver the premium ride comfort and handling performance. Different types of parameterized road excitations have been applied to vehicle suspension systems to investigate the performance of the regenerative shock absorbers. The potential of incorporating nonlinearity into the regenerative shock absorber design analysis is discussed. The research gaps for the comparison of the different drive modes and the nonlinearity analysis of the regenerative shock absorbers are identified and, the corresponding research questions have been proposed for future work.
    Electronic ISSN: 1996-1073
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by MDPI Publishing
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  • 4
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    Energies, Vol. 10, Pages 786: Analysis and Prevention of Geo-Environmental Hazards with High-Intensive Coal Mining: A Case Study in China’s Western Eco-Environment Frangible Area (2017)
    MDPI Publishing
    In: Energies
    Details
    Publication Date: 2017-06-08
    Description: This study seeks to address the problems of major geo-environmental hazards caused by high-intensive coal mining in China’s western eco-environment frangible area including strong mining pressure, surface subsidence, soil and water loss, and land desertification. Using the high-intensive mining at the Xiao-jihan Coal Mine, this paper investigates the compaction characteristics of aeolian sand-based backfilling materials, and then the evolution of water-conducting fractures and surface deformation laws with different backfill material’s compression ratios (BMCRs) by using physical simulation and numerical simulation analysis methods. This study presents the technical system of water-preserved and environmental protection with rapid-backfilling methods in China’s western eco-environment frangible area. The backfill coal mining technique and application prospects are assessed and discussed. The results will be helpful for coordinated development of coal resources exploitation and environmental protection in China’s western eco-environment frangible area.
    Electronic ISSN: 1996-1073
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by MDPI Publishing
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  • 5
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    Genome-wide association study identifies multiple susceptibility loci for craniofacial microsomia (2016)
    Nature Publishing Group (NPG)
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    Publication Date: 2016-02-10
    Description: Article Craniofacial microsomia is a congenital anomaly that affects the development of the skull. Here, the authors perform a genome-wide association study on patients in China and identify particular loci that provide insights into genetic mechanisms. Nature Communications doi: 10.1038/ncomms10605 Authors: Yong-Biao Zhang, Jintian Hu, Jiao Zhang, Xu Zhou, Xin Li, Chaohao Gu, Tun Liu, Yangchun Xie, Jiqiang Liu, Mingliang Gu, Panpan Wang, Tingting Wu, Jin Qian, Yue Wang, Xiaoqun Dong, Jun Yu, Qingguo Zhang
    Electronic ISSN: 2041-1723
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 6
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    Efficient and mechanically robust stretchable organic light-emitting devices by a laser-programmable buckling process (2016)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2016-05-19
    Description: Article Highly stretchable organic light-emitting diodes tend to suffer from a lack of mechanical robustness. Here, Yin et al . fabricate ordered buckled films by laying flexible light-emitting diodes on laser-ablated, prestretched substrates. The devices exhibit good emission stability over 15,000 stretching cycles. Nature Communications doi: 10.1038/ncomms11573 Authors: Da Yin, Jing Feng, Rui Ma, Yue-Feng Liu, Yong-Lai Zhang, Xu-Lin Zhang, Yan-Gang Bi, Qi-Dai Chen, Hong-Bo Sun
    Electronic ISSN: 2041-1723
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 7
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    Energies, Vol. 9, Pages 980: Sustainable Energy Transitions in China: Renewable Options and Impacts on the Electricity System (2016)
    MDPI Publishing
    In: Energies
    Details
    Publication Date: 2016-11-26
    Description: Chinese energy consumption has been dominated by coal for decades, but this needs to change to protect the environment and mitigate anthropogenic climate change. Renewable energy development is needed to fulfil the Intended Nationally Determined Contribution (INDC) for the post-2020 period, as stated on the 2015 United Nations Climate Change Conference in Paris. This paper reviews the potential of renewable energy in China and how it could be utilised to meet the INDC goals. A business-as-usual case and eight alternative scenarios with 40% renewable electricity are explored using the EnergyPLAN model to visualise out to the year 2030. Five criteria (total cost, total capacity, excess electricity, CO2 emissions, and direct job creation) are used to assess the sustainability of the scenarios. The results indicate that renewables can meet the goal of a 20% share of non-fossil energy in primary energy and 40%–50% share of non-fossil energy in electricity power. The low nuclear-hydro power scenario is the most optimal scenario based on the used evaluation criteria. The Chinese government should implement new policies aimed at promoting integrated development of wind power and solar PV.
    Electronic ISSN: 1996-1073
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by MDPI Publishing
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