Results 21 to 30 of about 380 (113)
Dianci bileiqi, 2023 针对高土壤电阻率、强腐蚀土壤环境下输电线路杆塔接地装置降阻困难、腐蚀严重、敷设不便等实际问题，应用一种接地新型材料—石墨烯复合接地装置，可有效解决上述问题。本文简要概述了石墨烯复合接地装置的组成及特性，对比分析不同土壤电阻率下镀锌圆钢、石墨基柔性接地体与石墨烯复合接地装置的工频与冲击接地电阻特性，计算分析工频故障电流通过接地装置散流时的跨步电位差分布特性，最后通过500 kV线路杆塔接地装置实际应用证明该材料可有效满足实际工程需求。
汤亮亮 +5 more
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Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT As a promising alternative to sluggish Li2CO3‐based Li‐CO2 electrochemistry, Li2C2O4 offers a favorable 2e− discharge pathway, yet its selective formation and reversible decomposition remain debated. Herein, we propose a nonmetal‐metal synergistic catalyst—B‐Ti coregulated layered transition metal boride Ti18B18O9/graphene (B‐Ti/TiBOG)—to ...
Qiong Peng +8 more
wiley +1 more source
不同PtNPs掺杂量石墨烯传感器检测SF6分解组分的气敏特性
Gaoya dianqi, 2022 气体绝缘组合电器（gas insulated switchgear,GIS）中SF6气体放电分解组分的检测,对GIS内部局部放电的严重程度的判断和状态维修具有重要的意义。本文提出运用Pt纳米颗粒（PtNPs）掺杂石墨烯对SF6放电分解组分进行检测,目的是为GIS的在线监测提供一种方法。采用一步化学还原法研制出不同PtNPs掺杂量石墨烯传感器,对SF6主要分解组分进行了气敏响应实验,并对比了不同PtNPs掺杂量的石墨烯传感器及本征石墨烯传感器的气敏特性曲线,初步探讨了其气敏响应机理。实验结果表明 ...
皮守苗 +3 more
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Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT As a core component in the electrochemical water splitting system, the cathode catalyst is capable of boosting the kinetics of the hydrogen evolution reaction (HER), while the scarcity and expenditure of current noble metal‐based electrocatalysts seriously restrict the large‐scale commercial development of hydrogen manufacturing devices. Here,
Haiyan He +8 more
wiley +1 more source
Gongye shui chuli, 2017 简述了石墨烯的基本结构以及氧化石墨烯在结构上的优越性。概述了氧化石墨烯的主要改性方法。针对不同的影响因素，总结了改性氧化石墨烯对废水中重金属的吸附效果。对去除水体中重金属的反应机理进行了归纳，指出了改性氧化石墨烯目前应用在污水处理中存在的问题及应用前景。
李仕友 +4 more
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Melting Preparation for Tungsten‐Doped Graphene/Copper Composites
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT Melting production plays a pivotal role in the modern copper industry. However, applying this process to fabricate nanocarbon (e.g., graphene, carbon nanotubes)‐reinforced copper matrix composites has remained a long‐standing challenge for nearly 2 decades.
Yunzhong Wu +9 more
wiley +1 more source
四川大学学报. 自然科学版, 2012 类似石墨表面,石墨烯可以吸附和脱附各种原子和分子,石墨烯比石墨具有更大表面积,因此,石墨烯的表面性能被广泛关注.然而较少被关注的是石墨烯边缘C原子的性能.石墨烯边缘C原子由于存在未配对的电子,因此具有更强的反应活性.本文采用了Self-Consistent-Charge Density Functional Tight Binding（SCC-DFTB）方法对H2O分子在石墨烯扶手型边缘的吸附现象进行了研究.研究发现,石墨烯边缘的峰位C原子具有很好的吸附性,吸附能大约为-0.109～-0.768 eV ...
刘健康, 何国柱
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Gongye shui chuli, 2020 选用石墨烯气凝胶（GA）作为载体，负载MnO2纳米颗粒，构建新型石墨烯气凝胶-MnO2复合材料（MnGA），并制备电容电极，研究复合材料的电容去离子性能。结果表明，MnO2在石墨烯片层上可形成一维线状结构，减弱石墨烯片层间的堆叠效应，提升材料电容，从而提高了电极的脱盐性能，最大电容脱盐量达到25.78 mg/g；NaCl溶液的初始浓度、供电电压和进水流速均会对电容脱盐量产生影响。
韩登程, 孙雪菲, 王曙光
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Rare Metals, Volume 45, Issue 2, February 2026.ABSTRACT With the rapid development of the energy storage industry, aqueous zinc‐ion batteries (AZIBs) have attracted considerable attention in the field of energy storage because of their inherent advantages, thereby emerging as a promising research direction with significant potential.
Lingjiao Fu +8 more
wiley +1 more source
Rare Metals, Volume 45, Issue 2, February 2026.ABSTRACT Harnessing solar energy for self‐heating presents an effective strategy to suppress surface ice formation. In this paper, we fabricated nano‐silver‐modified multilayer graphene sheets (Ag@MGs) that integrate photothermal and superhydrophobic properties for anti‐icing applications.
Yihan Zhang +7 more
wiley +1 more source