论文部分内容阅读
与传统锂离子电池相比,锂硫电池的优势更多地体现在理论比容量高和成本低,但其长期循环稳定性则较差[1].硫与热裂解聚丙烯腈的复合物(S/pPAN)是一种很有潜力的正极材料[2],并且以水性羰基化的贝塔环糊精作为粘结剂时循环稳定性较好[3],但其硫含量还有待于进一步提高.
高硫含量硫基材料表面修饰改性的研究
【摘 要】
：
与传统锂离子电池相比,锂硫电池的优势更多地体现在理论比容量高和成本低,但其长期循环稳定性则较差[1].硫与热裂解聚丙烯腈的复合物(S/pPAN)是一种很有潜力的正极材料[2],并且以水性羰基化的贝塔环糊精作为粘结剂时循环稳定性较好[3],但其硫含量还有待于进一步提高.
【机 构】
：
上海电化学能源器件工程技术研究中心,化工系,上海交通大学,上海,200240 应用化学系,燕山大学
【出 处】
：
第十八次全国电化学大会
【发表日期】
：
2015年7期
其他文献
Confined systems are crucial in electrochemical storage and the confinement of sulfur is important for mitigating the above issues.Herein,we adapted the concept to microporous wall of carbon nanotubes
会议
Electrochemical supercapacitors are finding increasing applications such as hybrid electric vehicles,large industrial equipmentand renewable energypower plants,because they can provide higher power de
会议
碱性镍基二次电池(如金属氢化物/镍电池、锌/镍电池等)因具有安全性好、价格低廉、无记忆效应和环境友好等特点而倍受青睐[1].目前碱性镍基二次电池的正极活性物质广泛采用具有单电子反应特征的β-氢氧化镍,经过多年开发,其实际电化学容量已接近理论值289mAh/g,基本无开发潜力.
会议
Nitrogen-doped Double-shelled Hollow Nanocarbon Spheres with a Three-Dimensional Hierarchically Poro
Supercapacitors are a new class of energy storage devices that can store a large amount of charge,and deliver it at high power ratings.[1] Hierarchically porous carbons are currently preferred as the
会议
We report a new environmentally-friendly synthetic strategy for large-scale preparation of 16 nm-ultrathin NiCo based layered double hydroxides (LDHs).The Ni50Co50-LDH electrode exhibited excellent sp
会议
Li+ Intercalation Pseudocapacitance Behavior of Mesoporous and microcrystal Nb2O5 for Supercapacitor
Mesoporous and microsrystal T-Nb2O5 was synthesized by a solvent evaporation induced self-assembly method (EISA) using nano-crystalline cellulose rod-like structure as three-dimensional cross linked s
Mesoporous Core Wrapped Graphene oxide/Conducting Polymer Nanofibers as Novel Hybrid Electrode Mater
The simple synthesis of nanostructures with high charge-carrier transport is an important aim for the applications in supercapacitors [1-5].Here,we report a novel hybrid electrode material with mesopo
会议
Permselective Graphene Oxide Membrane for High-Stable and Anti-Self-Discharge Lithium-Sulfur Batteri
Lithium-sulfur batteries hold great promise for serving as next generation high energy density batteries.However,the shuttle of polysulfide induces rapid capacity degradation and poor cycling stabilit
会议
In recent years,rechargeable lithium-ion battery has occupied the dominant position in the fields of smallmobile consumer electronics products,and also shown prospects remarkable of electric vehicles
Post-deposited Au nanoparticles on the cathode served as nanoscale polysulfides reactor for improved
Lithium-sulfur (Li-S) batteries have recently been considered as the one of the prospective candidates for high performance energy storage technologies in terms of their high specific capacity (1675 m
会议