Results 21 to 30 of about 4,311 (116)
Rare Metals, Volume 45, Issue 7, July 2026.ABSTRACT The composition and structural characteristics of metacomposites are crucial for tuning their negative electromagnetic parameters; however, the lack of a clear structure–property relationship severely limits their application in dielectric and magnetic fields.
Chunyuan Deng +9 more
wiley +1 more source
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT The development of structurally stable anodes with high capacities and long cycle lives is essential for the development of potassium–ion batteries. Conversion‐type anodes have attracted considerable attention in potassium–ion batteries (PIBs) due to their high theoretical capacities.
Jeong Ho Na +7 more
wiley +1 more source
Gaoya dianqi, 2013 笔者介绍了中国在微电网研究和应用方面的现状。中国的微电网技术跟随着国外研究的脚步,自2004年左右开始逐渐兴起,目前已经成为智能电网技术中最活跃的分支之一。中国的微电网技术发展受智能电网的深化和能源需求发展的激励,与分布式发电技术的发展紧密联系,存在科研院所主导的微电网技术研究和企业主导的微电网技术应用两个主要方向。目前各省都已经有了微电网技术研究和应用的典型代表。以天津大学、合肥工业大学、西安交通大学、中科院电工所为代表的科研院所建立了自己的微电网实验系统,在微电网技术研究方面处于国内领先地位 ...
武星, 殷晓刚, 宋昕, 王景
doaj
Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Additive manufacturing, commonly referred to as three‐dimensional (3D) printing, provides the geometric freedom and multi‐material integration needed to build soft medical robots for minimally invasive interventions, prosthetics, and rehabilitation.
Yao Wang +5 more
wiley +1 more source
Gaoya dianqi, 2015 微电网技术作为主动式配电网的关键技术,是智能电网建设重要范畴。文中首先阐述了主动式配电网的建设必要性,介绍了微电网的优越性,并结合中国电力系统的实际情况,探讨了微电网建设过程中存在的技术难点和微电网接入后带来的系统问题,并结合智能电网建设的背景,提出了微电网技术的发展趋势。为实现低碳电力系统建设提供了一个良好的解决思路。
董开松, 谢永涛, 贾嵘, 沈渭程
doaj
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT The utilization of carbonaceous anodes in electrochemical systems, particularly potassium‐ion batteries (PIBs), remains hindered by sluggish kinetics and modest capacities, which are caused by the intrinsic ion storage mechanisms and constrained interlayer spacings.
HaiSong Chen +7 more
wiley +1 more source
Gaoya dianqi, 2015 微电网系统以其高效性、灵活性的运行优势在电力系统中不断得到重视。为使微电网系统能够稳定、可靠、经济地运行,文中以多种分布式能源为对象,建立了一个以综合成本最小为优化目标、满足多约束条件的微电网能量管理模型。以实际微电网系统为背景,讨论分析多能互补微电网在不同季节典型日条件下的运行经济性,并结合实际情况,给出一个典型微电网的经济运行方案。结果表明,文中所建立的模型具有很好的适用性,能够为微电网实际运行提供一定的理论指导。
马喜平, 谢永涛, 董开松, 贾嵘
doaj
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT In this study, a newly developed seeded electromagnetic confinement directional solidification (EMCDS) technique was employed to fabricate large‐scale TiAl single crystal ingots with a diameter of 32 mm, overcoming the long‐standing size limitations that have hindered their industrial application.
Wei Wang +9 more
wiley +1 more source
Gaoya dianqi, 2015 蓄电池作为储能装置,是确保微网稳定经济运行的重要组成部分,为了研究它对微网经济效益的影响,建立了基于微网经济性最优的蓄电池容量配置模型。针对某企业内热电联产型微网系统,构建了孤网和并网下以综合运行成本最低为目标函数的微网经济优化调度模型,在孤网下提出了一种定量分析方法配置蓄电池所需最小容量,通过模型求解确定实现微网总成本最低所需配置的蓄电池容量。在实时电价背景下,采用改进遗传算法优化各时刻蓄电池出力及向外网的购售电量,制定了蓄电池最优充放电策略,仿真结果验证了所提模型、策略的有效性和算法的适用性。
况达, 滕欢, 王博堃, 黄炜果
doaj
全球能源互联网应用于孤岛型微电网以实现频率控制功能的传统控制器多为分数阶PID（fractional order PID，FOPID）控制器及模糊分数阶PID（fuzzy fractional order PID，FFOPID） 控制器，二者的控制性能均存在局限性。针对这一问题，设计了一种变论域混合FFOPID控制器，用于提高孤岛微电网的频率控制性能。通过对比FOPID、FFOPID以及变论域混合FFOPID3种控制器作用时的不同效果 ...
李翔宇 +7 more
doaj +1 more source