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promising anode materials for rechargeable battery with high energy density, but its practical use is still hindered by two main problems, namely, lithium dendrite growth and low Coulombic efficiency..., there still exist two major problems hindering the commercial application of Li metal-based cells, which are lithium dendrite growth and low Coulombic efficiency [5-7]. During repeated charge......
Phase field modeling of dendrite growth Chengzhi WANG1,Yiyi LI2,Yutuo ZHANG1,Dianzhong LI2 (1.Shenyang Ligong University,Shenyang 110168,China;2.Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China) Abstract:Single dendrite and multi-dendrite growth for A1-2 mol pct Si alloy during isothermal solidification are simulated by phase field method. In the case of single......
: thermal battery; Li-B alloy; age softening; lithium metal battery; lithium dendrite 1 Introduction Thermal battery is a type of primary batteries, which uses molten salts as electrolytes and employs... as anode material for lithium-sulfur batteries [12-14], lithium metal batteries [15,16] and lithium solid state batteries [17]. The mechanism of the dendrite generation and the mechanical behavior......
rate were investigated. Experimental results are presented, including primary and higher order dendrite arm spacings λ1, λ2, λ3 and dendrite tip radius R of primary Ni3Sn2 phase. Comparisons between...=44.957v-0.277, which is consistent with the Bouchard-Kirkaldy model; for the tertiary dendrites, λ3=40.512v-0.274; for the dendrite tip radius, R=22.7v-0.36. The experimental results also show......
Recently developed strategies to restrain dendrite growth of Li metal anodes for rechargeable batteriesKai-Chao Pu1,Xin Zhang1,Xiao-Lei Qu1,Jian-Jiang Hu2,Hai-Wen Li3,Ming-Xia Gao1,Hong-Ge Pan1,Yong...="ChDivSummary" name="ChDivSummary">Lithium metal has been regarded as one of the most promising anode materials for high-energy-density batteries due to its extremely high theoretical gravimetric capacity......
Dendrite coherency point of A357 alloys LI Jian-feng(李建峰), KOU Hong-chao(寇宏超), WANG An-jia(王安家), LI Jin-shan(李金山), HU Rui(胡 锐), FU Heng-zhi(傅恒志) State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an 710072, China Received 28 July 2006; accepted 15 September 2006 Abstract: The dendrite coherency point was determined for A357 alloys using double......
and Technology摘 要:The volume of the metallic lithium anode in allsolid-state Li metal batteries increases significantly due to the lithium dendrite formation... dendrite growth suppression by this composite electrolyte indicates the possible application of these low-cost composite electrolytes for lithium metal protection.关键词:......
Effect of nonlinear liquidus and solidus on dendrite growth in bulk undercooled melts CHEN Zheng(陈 正), WANG Hai-feng(王海丰), LIU Feng(刘 峰), YANG Wei(杨 伟) State Key Laboratory of Solidification...; Abstract: On the base of nonlinear liquidus and solidus, an extended model for dendrite growth in bulk......
Numerical simulation of facet dendrite growth CHEN Zhi(陈 志)1, CHEN Chang-le(陈长乐)1, HAO Li-mei(郝丽梅)2 1. Department of Applied Physics, Shannxi Key Laboratory of Condensed Matter Structures...; Abstract: Numerical simulation based on phase field method was performed to describe the solidification of silicon. The effect of anisotropy, undercooling and coupling parameter on dendrite growth shape......
Effect of sample diameter on primary dendrite spacing of directionally solidified Al-4%Cu alloy QU Min(屈 敏), LIU Lin(刘 林), TANG Feng-tao(唐峰涛), ZHANG Jun(张 军), FU Heng-zhi(傅恒志) State Key...; Abstract: The relationship between primary dendrite arm spacing and sample diameter was studied during directional solidification for Al-4%Cu (mass fraction) alloy. It is shown......