英国皇家化学会(RSC)是一个超过175年历史的面向全球化学家的非营利会员制机构,旗下拥有44种期刊,其中很多在化学领域有很高影响力。为了进一步帮助广大读者追踪科技前沿热点,X-MOL团队与英国皇家化学会合作,推出英国皇家化学会期刊主编推荐的精彩文章快览,本期文章属“能源领域”,英文点评来自英国皇家化学会期刊的主编。如果大家对我们的解读有更多的补充和点评,欢迎在文末写评论发表您的高见!
Chemical Science (IF: 9.063)
1. Solid-solution alloy nanoparticles of a combination of immiscible Au and Ru with a large gap of reduction potential and their enhanced oxygen evolution reaction performance
Chem. Sci., 2019, Advance Article
DOI: 10.1039/C9SC00496C
Scientists at Kyoto University, Japan, synthesised AuxRu1−x solid-solution alloy NPs for the first time over the whole composition range using a chemical reduction method, for use as OER catalysts. This is significant, as Au and Ru have the largest gap in reduction potential among noble metals and are completely immiscible even at temperatures as high as their melting points in the bulk state. They found that the smallest amount of Au generated the highest performance.
日本京都大学的科学家们首次使用化学还原法合成了全组成范围的AuxRu1−x 固溶体合金纳米粒子,可用作氧析出反应(OER)催化剂。该工作的重要性在于Au和Ru具有贵金属之间最大的还原电位差,而且在本体状态下即使温度达到熔点两者也完全不混熔。作者发现最小量的Au产生了最高的性能。
Open Access(可免费阅读原文)
扫描或长按二维码,识别后直达原文页面,或点此查看原文
2. Synergetic interaction between neighboring platinum and ruthenium monomers boosts CO oxidation
Chem. Sci., 2018, Advance Article
DOI: 10.1039/C9SC00658C
Researchers at Peking University used an icing-assisted photocatalytic reduction method to construct neighboring Pt-Ru monomers on an N-vacancy-rich g-C3N4 surface, and used DFT simulations to confirm that the Pt-Ru monomers are optimal in comparison to neighboring Pt-Pt/Ru-Ru monomers or isolated Ru/Pt atoms. This work demonstrates new insights for the development of these types of atomically dispersed metal catalysts for use in CO oxidation.
北京大学的研究人员使用冰助光催化还原方法在富含N空位的石墨相氮化碳(g-C3N4)表面构建了相邻的Pt-Ru单体,并使用密度泛函理论(DFT)模拟证实了Pt-Ru单体与相邻的Pt-Pt/Ru-Ru单体或分离的Ru/Pt原子相比是最佳的。这项工作为开发用于CO氧化的此类单原子分散金属催化剂提供了新见解。
Open Access(可免费阅读原文)
扫描或长按二维码,识别后直达原文页面,或点此查看原文
Sustainable Energy & Fuels (IF pending)
1. The energetic implications of introducing lithium-ion batteries into distributed photovoltaic systems
Sustainable Energy Fuels, 2019, Advance Article
DOI: 10.1039/C9SE00127A
Batteries for stationary applications can prove to be crucial for enabling high penetration of solar energy, but production and use of batteries comes with an energetic cost. This study quantifies how adding a lithium-ion (Li-ion) battery affects the energetic performance of a typical residential photovoltaic (PV) system under a wide range of climatic conditions.
电池的固定式应用对于实现太阳能的推广至关重要,但是电池的生产和使用总伴随着一定的能量成本。该研究量化了在各种气候条件下锂离子电池的加入如何影响典型住宅式光伏系统的能量性能。
限时免费阅读原文,登录后可下载
扫描或长按二维码,识别后直达原文页面,或点此查看原文
2. Nuclear fuel cycle, with a liquid ore and fuel: toward renewable energy
Sustainable Energy Fuels, 2019, Advance Article
DOI: 10.1039/C8SE00610E
This study evaluates the potential of combining uranium extraction from seawater and its use in a liquid fuel reactor to make nuclear energy renewable.
该研究评估了将海水提铀与其在液体燃料反应堆中的使用相结合以使核能可再生的潜力。
限时免费阅读原文,登录后可下载
扫描或长按二维码,识别后直达原文页面,或点此查看原文
3. N,N-Dimethylformamide assisted hydrothermal introduction of MoS2 on ultrathin g-C3N4 layers with enhanced visible light photocatalytic hydrogen evolution activity
Sustainable Energy Fuels, 2019, Advance Article
DOI: 10.1039/C9SE00173E
This work offers an alternative method to synthesize MoS2-based heterostructures for photocatalytic H2 evolution, and could also enable further understanding of the charge transfer dynamics between photocatalysts and co-catalysts.
这项工作提供了另一种合成用于光催化析氢的MoS2基异质结构的方法,同时能够帮助进一步理解光催化剂和助催化剂之间的电荷转移动力学。
限时免费阅读原文,登录后可下载
扫描或长按二维码,识别后直达原文页面,或点此查看原文
Energy & Environmental Science (IF: 30.067)
1. Stable perovskite solar cells using tin acetylacetonate based electron transporting layers
Energy Environ. Sci., 2019, Advance Article
DOI: 10.1039/C9EE00453J
The optimized tin oxide films achieved an unprecedented power conversion efficiency of 22.19% in planar perovskite solar cells (21.4% certified by Newport), and once upscaled to large-area modules, 16.7% devices based on 15 cm2 area were achieved.
优化的氧化锡薄膜在平面钙钛矿太阳能电池中取得了22.19%的能量转换效率(Newport认证效率为21.4%),这前所未有。并且,当放大到大面积模块时,面积为15 cm2的装置,效率可以达到16.7%。
限时免费阅读原文,登录后可下载
扫描或长按二维码,识别后直达原文页面,或点此查看原文
2. Efficiency and stability of narrow-gap semiconductor-based photoelectrodes
Energy Environ. Sci., 2019, Advance Article
DOI: 10.1039/C9EE00524B
The authors present the advances in the efficiency and stability of narrow-gap semiconductor-based photoelectrodes on three levels: fundamental bottlenecks, existing solution strategies, and applications.
在基本瓶颈、现有解决策略和应用这三个层面上,作者在介绍了基于窄带隙半导体的光电极的效率和稳定性的进展。
限时免费阅读原文,登录后可下载
扫描或长按二维码,识别后直达原文页面,或点此查看原文
如果篇首注明了授权来源,任何转载需获得来源方的许可!如果篇首未特别注明出处,本文版权属于 X-MOL ( x-mol.com ), 未经许可,谢绝转载!