共搜索到1495条信息，每页显示10条信息，共150页。用时：0小时0分0秒328毫秒
% and 5.29%, respectively. Key words: Li-ion battery; cathode materials; LiFePO4; carbon-coated CLC number: TM911.1 Document code: A 1 INTRODUCTION The ever-growing demand for portable batteries... will be an attractive candidate as cathode material for Li-ion battery. REFERENCES [1]Padhi A K, Najundaswamy K S, Goodenough J B. Phospho-olivines as positive-electrode materials for rechargeable lithium......
the charge/discharge course. Key words: Li-ion battery; LiNi1/3Co1/3Mn1/3O2; heterogeneous nucleation; Al2O3-coated ..., it can not completely substitute LiCoO2 to become new generation commercial Li-ion battery cathode material[1-3]. LEE et al[4] and YING et al[5] have improved the tap density by sphericizing......
]. Transactions of Nonferrous Metals Society of China, 2014, 24(4): 1079-1085. [10] EOM K S, JOSHI T, BORDES A, DO I, FULLER T F. The design of a Li-ion full cell battery using a nano silicon and nano... ion battery anodes [J]. J Mater Chem A, 2014, 2(8): 2504-2516. [17] LI X, MEDURI P, CHEN X, QI W, ENGELHARD M H, XU W, DING F, XIAO J, WANG W, WANG C, ZHANG J, LIU J. Hollow core–shell structured......
锂离子电池碳负极材料研究进展孙学亮1,秦秀娟1,卜立敏1,吴伟1(1.河北省秦皇岛市燕山大学环境与化学工程学院)摘 要:综述锂离子电池碳负极材料的研究进展,主要包括中间相碳微球,天然石墨,无定形碳负极材料以及天然石墨表面改性.对天然石墨表面改性是改善锂离子电池负极材料性能的重要手段,通过改性处理,可有效降低石墨电极的不可逆容量,从而使可逆容量和库仑效率有较大程度的提高.由于表面改性天然石墨具有成本和性能方面的综合优势,是今后较长一段时间内,工业化应用的锂离子电池主要负极材料.关键词:无机非金属材料......
......
for Li-ion battery were prepared from the precursor and LiOH?H2O by solid-state reaction. The precursor and LiNi1/3Co1/3Mn1/3O2 were characterized by chemical analysis, XRD, EDX, SEM and TG-DTA... discharge capacity is 121.8 mA?h/g and still 119.7 mA?h/g after 40 cycles. The capacity retention ratio is 98.27%. Key words: Li-ion batteries; cathode materials; LiNi1/3Co1/3Mn1/3O2; electrochemical......
......
Preparation of LiNixCol-xO2 Cathode Material for Li-ion Cells邹正光摘 要:The cathode materials LiNixCo1-xO2 (0≤x≤1) for lithium ion battery were prepared...) with a perfect structure and electrochemical performance were synthesized. And the products initial capacity was perfect when n(Li) : n( Ni) : n( Co) ℃ 1.15:0.3:0.7,viz. 156.l46mAh/g.关键词:......
method to improve the mechanical strength in porous membrane supports, especially in a separator. Key words: Li-ion battery; separator; poly(vinylidene fluoride); nanocomposite 1 Introduction... required for Li-ion battery separators[11]. Fig.4 shows the membrane porosities of PVdF and PVdF nanocomposite membranes prepared with retention time of 30 s and 60 s. All membranes exhibit high......
；固相扩散；液相扩散；锂离子电池 中图分类号:O646 文献标志码:A Simulation of diffusion polarization in LiMn2O4/graphite Li-ion battery...; liquid phase diffusion; Li-ion battery 锂离子电池由于具有工作电压高,能量密度高,循环寿命长,无记忆效应等优点[1],在便携式电子产品中获得了广泛的应用,而且有望应用于电动汽车和储能等领域[2].在锂离子电池的使用过程中,极化的产生会导致电池充放电容量的降低和循环寿命的衰减.因此,如何准确地对电池的各种极化进行定量分析和减小电池的极化以改善电池的性能,是当前研究......
