Results 41 to 50 of about 714,742 (163)
ABSTRACT Tin‐based composite oxides typically undergo severe volume variations and exhibit poor intrinsic conductivities despite their high theoretical capacity as promising anode candidates for sodium‐ion batteries. This results in rapid structural degradation and capacity fading upon cycling.
Yongmei Sun +5 more
wiley +1 more source
ABSTRACT Magnesium hydride (MgH2) is a promising solid‐state hydrogen storage material due to its high gravimetric capacity and excellent reversibility. However, its practical application is hindered by high thermodynamic stability and sluggish reaction kinetics.
Xingyang Chen +6 more
wiley +1 more source
ABSTRACT Developing electrode materials with high capacity and outstanding activity is essential for energy storage and conversion technologies. However, integrating multiple functions into a single material remains challenging. Herein, we synthesized a novel CoP@NiCo layered double hydroxide (CoP@NiCo‐LDH) nano‐electrode using hydrothermal and ...
Ruiyu Li +9 more
wiley +1 more source
分布式储能是解决新能源并网问题的有效手段,分布式储能的选址定容将影响储能系统效率、系统网损及投资成本等,因此有必要对分布式储能进行选址定容规划。文中提出一种分布式储能选址定容规划,具体策略是以电压稳定裕度为指标,选出部分系统电压稳定性弱的节点,进行预选址;然后在考虑储能设备充放电状态的基础上,针对负荷日特性曲线,设定储能系统的调度策略;并考虑负荷、风电、光伏时序特性,以有功网损为目标函数,利用粒子群算法寻优,优化储能充放电功率;最终确定分布式储能设备的位置及容量 ...
郜宁 +6 more
doaj
在落实“碳达峰、碳中和”目标过程中,储能对支撑以新能源为主体的新型电力系统负荷平衡起到重要作用,新型储能技术因建设周期短、选址灵活性高、调节能力强等优势受到更多关注。对比梳理了美国、欧盟、日本等主要国家/地区新型储能技术战略规划布局情况。针对新型储能技术中锂离子电池、钠离子电池、液流电池、金属空气电池、压缩空气储能、重力储能六大技术方向,利用文献计量和专利计量方法深度挖掘分析了国内外在该领域的前沿主题与创新能力。结果显示,中国在新型储能技术领域研发创新能力整体较强。从论文成果统计来看 ...
汤匀 +4 more
doaj +1 more source
ABSTRACT Two‐dimensional Mn‐based MBenes remain challenging to synthesize due to structural instability during etching. Herein, Mn2AlB2 was employed as a precursor to systematically investigate Al removal via HF, NaOH, and a gas–solid route using PVDF‐derived HF.
Tao Zhong +6 more
wiley +1 more source
ABSTRACT Aqueous zinc batteries hold great promise for large‐scale energy storage, yet their practical application is hindered by dendrite growth and interfacial side reactions on the zinc anode. Inspired by the industrially mature chromate passivation technology, this work reports an in situ construction of a chromium‐rich passivation layer (Zn@Cr) on
Long Huang +9 more
wiley +1 more source
ABSTRACT Lithium metal anode and zinc metal anode have attracted considerable attention owing to their high theoretical capacity, low electrochemical potential, and superior electronic conductivity. However, their practical applications are greatly hindered by inherent issues such as uncontrollable dendritic growth and interfacial instability ...
Jing Wang +10 more
wiley +1 more source
本发明公开了一种锌/多卤化物储能电池,以导电惰性材料为电极,以氯化锌和溴化锌溶液为电解质溶液,构成锌/多卤化物储能电池。锌/多卤化物储能电池采用电化当量较小、析氢过电位高的锌及多卤化物作为电池的活性物质,正负极电对间具有较高的电位差,两者共同决定了该电池技术具有较高的能量密度和功率密度。相对于锌溴液流电池,新体系储能电池能量密度提升30%,功率密度提升10%,明显提升了电池的可移动性,降低了电池系统的成本。该电池正、负极采用元素组成相同的电解液,避免了由于电解液交叉污染对电池性能和寿命带来的负面影响 ...
赖秦志, 张华民, 张立群
core
Multi‐gradient warming reshapes functional traits and adaptive responses of alpine meadow plants
Read the free Plain Language Summary for this article on the Journal blog. Abstract Plant functional traits in alpine meadows are critical indicators of ecosystem responses to climate warming, yet dynamic changes in trait networks across warming gradients and their consequences for community functions remain poorly understood.
Zhiwei Yan +6 more
wiley +1 more source

