Results 11 to 20 of about 13,175 (168)
Rare Metals, EarlyView.ABSTRACT Photocatalytic molecular oxygen (O2) activation provides a sustainable approach to produce singlet oxygen (1O2) for organic contaminants detoxification. However, the charge carriers‐involved pathway usually suffers from unsatisfactory 1O2 production efficiency owing to energy loss caused by photogenerated hole‐mediated superoxide species (•O2−
Yan‐Biao Shi +8 more
wiley +1 more source
Rare Metals, EarlyView.ABSTRACT Ni3S2 has emerged as a promising catalyst for the electrochemical oxidation of biomass‐derived 5‐hydroxymethylfurfural (HMF) to 2,5‐furandicarboxylic acid (FDCA), driven by its distinctive physicochemical properties. However, its practical catalytic efficiency is severely hindered by abundant electrochemically inactive surface sites and poor ...
Cheng‐Feng Yi +5 more
wiley +1 more source
Rare Metals, EarlyView.ABSTRACT Chlorination roasting has emerged as a promising pyrometallurgical strategy for the selective recovery of lithium from spent lithium‐ion batteries (LIBs). In this study, a natural roasting agent, seawater‐derived chlorides, was employed to selectively extract lithium from spent LiNi0.5Co0.2Mn0.3O2 (NCM523) cathode. MgCl2·6H2O, a main component
Bei‐Lei Zhang +7 more
wiley +1 more source
Rare Metals, EarlyView.ABSTRACT Early detection of thermal runaway (TR) is essential for lithium‐ion battery (LIB) safety, as unchecked TR risks catastrophic failures in energy storage systems. Gas‐based sensing offers a faster and more direct approach by detecting decomposition products at the molecular level.
Tianshui Liang +9 more
wiley +1 more source
Rare Metals, EarlyView.ABSTRACT High‐entropy alloys (HEAs) have attracted considerable interest from researchers owing to their tunable chemical compositions, exceptional structural stability, and promising catalytic properties. However, their large‐scale application is often hindered by complex manufacturing techniques and poor durability.
Sheng Guo +9 more
wiley +1 more source
Rare Metals, EarlyView.ABSTRACT Skin wound injuries are often accompanied by bacterial infections and severe inflammation. Especially, M1‐type macrophages at the wound site can trigger a cascade of inflammatory responses, mediating a vicious cycle of inflammation. Meanwhile, hypoxia further exacerbates vascular damage and constriction in the wound microenvironment, thereby ...
Xianfeng Wang +6 more
wiley +1 more source
气体分解产物和局部放电测试技术在SF6电气设备状态诊断中的应用
Gaoya dianqi, 2014 主要介绍了SF6气体分解产物、局部放电测试这2种检测技术在SF6电气设备状态诊断中的几起成功应用的案例。这些案例各有特点:SF6气体分解产物异常但不存在局部放电信号;SF6气体分解产物正常但存在局部放电信号;SF6气体分解产物异常且存在局部放电信号;SF6气体分解产物异常但无法采用局部放电测试技术进行检测。通过解体,均验证了设备存在缺陷。因此,SF6气体分解产物、局部放电测试技术在SF6电气设备潜伏性故障诊断方面具有广阔的应用前景。
胡红红 +3 more
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Rheological Properties of Polycarbosilane at Molten State [PDF]
, 2014 聚碳硅烷（PCS）是制备碳化硅基陶瓷及纤维的重要先驱体，熔融纺丝是制备碳化硅陶瓷纤维的关键步骤，掌握PCS在加工温度（熔融状态）下的流变性能至关重要。但是，PCS具有分子量低、分子结构复杂和对外界环境敏感等特点，其熔融状态下的流变性能至今仍不清楚，目前主要是通过经验性的方法来选择PCS熔融纺丝的工艺条件，缺乏理论依据和科学基础。因此，本论文着重研究加工温度（熔融状态）下PCS的流变性能，结合分子结构的分析，探讨微结构和流变性能的关系。 通过热处理PCS原料，得到一系列PCS样品 ...
陈惠贞
core
Highly Anisotropic TbCo11Ti: Phase Evolution, Microstructure and Magnetic Properties
Rare Metals, EarlyView.ABSTRACT Among the 1:12‐type compounds, TbCo11Ti stands out due to its high Curie temperature and pronounced magnetocrystalline anisotropy. However, its magnetic behavior at room temperature and its phase evolution process have not been clearly established.
Wei Chen +11 more
wiley +1 more source
Gaoya dianqi, 2018 SF6气体绝缘电气设备发生电弧性放电故障后,设备内部故障处会产生大量的SF6分解固体产物。为了研究查明SF6分解固体产物对于SF6绝缘电气设备工作运行的影响,开展电弧作用下SF6分解固体产物的实验研究是必要的。文中研究了SF6气体在不同金属电极、不同压强情况下SF6分解固体产物的生成特性,明确了SF6气体在不同金属电极反应生成的固体产物的组成成分,定量分析了SF6分解固体产物质量和放电能量的关系。
夏谷林 +4 more
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