Results 41 to 50 of about 8,369 (224)
ABSTRACT Alkali metal–chalcogen batteries (AMCBs) are one of the most promising next‐generation energy storage systems because of their high energy density and reasonably low cost. However, the practical application of AMCBs is severely hindered by the volume expansion of the chalcogen cathode, the shuttle effect of polychalcogenides, and unstable ...
Yong Liu +11 more
wiley +1 more source
Fabrication and Characterization of the Nano-array Anodes for the 3D Si based Micro Energy Storage Systems [PDF]
硅基微型储能系统,鉴于其良好的工艺制备兼容性、与微纳米智能器件的可集成性,是近些年来重要的研究发展方向。微型储能系统,可作为独立片上供电系统,为M/NEMS(Micro/NanoElectroMechanicalSystems,M/NEMS)等微纳米器件供电,如智能卡、微型传感器与执行器、微型机器人等,在生物医药、军工、金融、航天、环境监测、智能通信、纳米科技等众多智能领域都有较大的应用潜力。其中,三维硅基微型锂/钠离子电池储能系统,由于具备高能量/功率密度、优异的电化学循环稳定性、工作环境范围大 ...
岳闯
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ABSTRACT Sodium‐ion batteries (SIBs) have emerged as promising candidates for large‐scale energy storage due to their cost‐effectiveness and resource abundance. However, challenges such as sluggish ion diffusion kinetics, structural degradation, and interfacial instability hinder their practical applications.
Yunze Wang +7 more
wiley +1 more source
面向电力现货市场的独立储能经济性分析与容量补偿机制探索 [PDF]
新型储能技术的快速进步为提升电力系统灵活性提供了更多技术选择,也为构建竞争性灵活资源市场提供了条件。国外部分独立系统运营商为适应储能物理特性,在能量市场、辅助服务市场、容量市场、输电资产方面做了机制探索;国内一系列电力体制改革文件强调探索容量补偿机制以鼓励新型储能投资建设,但国家层面尚未出台针对新型储能的容量补偿政策。结合主流新型储能技术经济参数与国内典型地区现货市场价格曲线,测算了现货市场环境下各类新型储能经济性差异与未来趋势,并基于国内外容量补偿机制经验与研究成果 ...
刘坚 +6 more
doaj +1 more source
Improvement of Electrochemical Performance of Manganese-based Lithium-Rich Cathode Materials for Lithium-ion Battery [PDF]
近年来,锂离子电池富锂锰基正极材料xLi2MnO3•(1-x)LiMO2(M=Mn,Co,Cr,Ni等)由于具有较高的比容量(≥250mAh/g)、热稳定性好、成本低廉以及对环境友好等优点,引起了研究者的广泛关注和研究。本论文选择Li1.14Ni0.18Mn0.62O2富锂锰基正极材料作为研究对象,采用一种简单的熔融盐法,以改善电化学性能为目标,对于熔融盐的选择、煅烧温度及时间的控制、熔融盐用量等条件进行研究,调控了材料的结构并提高了电化学性能;然后通过使用新型粘结剂,抑制了该材料的电压衰减,
张涛
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ABSTRACT Bismuth anode materials are considered promising anode candidates for sodium–ion batteries (SIBs) due to their high theoretical capacity and appropriate working potential. Nevertheless, the significant volume expansion that occurs during the cycling process restricts its broader application in sodium–ion storage. Herein, Bi/Bi2O3 nanoparticles
Jiaju Lu +3 more
wiley +1 more source
在能源互联网时代,电池储能系统将被广泛用于各种工业、商业和居民场景,如可再生能源、电动汽车和不间断电源等。因此,电池储能系统的效率、可靠性和安全性等主要性能指标对储能系统成功商业化部署至关重要。然而,电池单体差异性与固定串并联的电池成组方式之间的不匹配关系所形成的大规模电池成组中的莱比锡最小因子效应,即木桶短板效应,极大损害了电池储能系统,尤其是大规模电池储能系统的循环寿命、安全性、可靠性和有效容量。近年来,归功于材料科学的发展,高频电力电子开关器件日益普及,成本也日益降低 ...
慈松
doaj +1 more source
Battery pack thermal management based on thermo electric cooling and phase change material heat preservation [PDF]
为提高户外基站备用电池组的工作性能、延长使用寿命,需要进行冷却和保温。将半导体制冷(TEC)与相变材料(PCM)保温相结合,对基站用48 V铅酸电池组进行热管理。模拟分析TEC的布置、制冷功率和环境温度对冷却保温效果的影响。TEC设置在电池组前后两侧、制冷功率为170 W时,可降低电池的温度、提高冷却阶段电池组温度场的一致性、延长保温时间。电池组经过连续的冷却保温过程,仍处于最佳工作温度范围 ...
冯自平 +3 more
core +1 more source
ABSTRACT The edge deployment of artificial intelligence has driven the exploitation of compact, energy‐efficient information processing systems that integrate sensing, memory, and multi‐task processing functions. However, conventional vision systems suffer from significant energy/time overhead, extra hardware costs, and an unaffordable algorithm ...
Shanshan Jiang +6 more
wiley +1 more source
A Comparative Study on Financial Performance and Financial Policy between China Shipbuilding Industry Group Power Co., Ltd and Camel Group Co., Ltd [PDF]
2009年,中国汽车销量达到1364万辆,同年美国汽车销量1060万辆,中国首次超越美国成为世界第一汽车销售市场,汽车电池是汽车必不可少的储能配件。本论文基于“利润-现金-价值-风险-成长”的财务管理理念,以财务报表为基础,对中国动力和骆驼股份两家中国最大的起动用铅酸电池厂家的财务绩效和财务政策进行比较研究,为利益相关者的决策提供依据。 本论文共8章,第一章为研究概述。第二章为行业分析。第三章为公司情况。第四章通过财务报表三维分析来分析财务状况的结构和趋势。第五章中运用五大类财务比率指标 ...
陈榴信
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