Journal ArticleDOI
High-energy lithium metal pouch cells with limited anode swelling and long stable cycles
Chaojiang Niu,Hongkyung Lee,Shuru Chen,Qiuyan Li,Jason Du,Wu Xu,Ji-Guang Zhang,M. Stanley Whittingham,Jie Xiao,Jie Xiao,Jun Liu +10 more
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TLDR
Liu et al. as discussed by the authors developed a prototype Li metal pouch cell by integrating a Li metal anode, a LiNi0.6Mn0.2Co 0.2O2 cathode and a compatible electrolyte.Abstract:
Lithium metal anodes have attracted much attention as candidates for high-energy batteries, but there have been few reports of long cycling behaviour, and the degradation mechanism of realistic high-energy Li metal cells remains unclear. Here, we develop a prototypical 300 Wh kg−1 (1.0 Ah) pouch cell by integrating a Li metal anode, a LiNi0.6Mn0.2Co0.2O2 cathode and a compatible electrolyte. Under small uniform external pressure, the cell undergoes 200 cycles with 86% capacity retention and 83% energy retention. In the initial 50 cycles, flat Li foil converts into large Li particles that are entangled in the solid-electrolyte interphase, which leads to rapid volume expansion of the anode (cell thickening of 48%). As cycling continues, the external pressure helps the Li anode maintain good contact between the Li particles, which ensures a conducting percolation pathway for both ions and electrons, and thus the electrochemical reactions continue to occur. Accordingly, the solid Li particles evolve into a porous structure, which manifests in substantially reduced cell swelling by 19% in the subsequent 150 cycles. Much has been said about the high-energy, long-lasting potential of Li metal batteries, and yet little has been demonstrated at the cell scale. Here, Jun Liu and colleagues demonstrate a Li metal pouch cell with a 300 Wh kg−1 energy density and a 200-cycle lifetime.read more
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Interfaces and Interphases in All-Solid-State Batteries with Inorganic Solid Electrolytes.
TL;DR: The distinctive features of the typical interfaces and interphases in ASSBs are presented and the recent work on identifying, probing, understanding, and engineering them are summarized.
Journal ArticleDOI
Molecular design for electrolyte solvents enabling energy-dense and long-cycling lithium metal batteries
Zhiao Yu,Hansen Wang,Xian Kong,William Huang,Yuchi Tsao,David G. Mackanic,Kecheng Wang,Xinchang Wang,Wenxiao Huang,Snehashis Choudhury,Yu Zheng,Chibueze V. Amanchukwu,Samantha T. Hung,Yuting Ma,Eder G. Lomeli,Jian Qin,Yi Cui,Yi Cui,Zhenan Bao +18 more
TL;DR: Bao et al. as discussed by the authors developed low-concentration electrolytes with a single-solvent and single-salt formulation, offering promise for high-energy and long-cycling Li metal batteries.
Journal ArticleDOI
Understanding and applying coulombic efficiency in lithium metal batteries
Jie Xiao,Jie Xiao,Qiuyan Li,Yujing Bi,Mei Cai,Bruce Dunn,Tobias Glossmann,Jun Liu,Jun Liu,Tetsuya Osaka,Ryuta Sugiura,Bingbin Wu,Jihui Yang,Ji Guang Zhang,M. Stanley Whittingham +14 more
TL;DR: In this article, the authors discuss the fundamental definition of Coulombic efficiency (CE) and unravel its true meaning in lithium-ion batteries and a few representative configurations of lithium metal batteries.
Journal ArticleDOI
Towards better Li metal anodes: Challenges and strategies
TL;DR: In this article, a review of the state-of-the-art strategies for stabilizing Li metal anodes in liquid, polymer, ceramic and composite electrolytes is presented.
Journal ArticleDOI
Fluorinated Solid-Electrolyte Interphase in High-Voltage Lithium Metal Batteries
TL;DR: In this article, the fluorinated SEI emerges as a promising SEI to regulate the behaviors of Li deposition and then enhance the stability and safety of Li-metal batteries, and the challenges and possible research directions for further development of fluorinated SSEI in practical Limetal batteries.
References
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Journal ArticleDOI
Lithium metal anodes for rechargeable batteries
Wu Xu,Jiulin Wang,Jiulin Wang,Fei Ding,Xilin Chen,Eduard Nasybulin,Yaohui Zhang,Yaohui Zhang,Ji-Guang Zhang +8 more
TL;DR: In this article, various factors that affect the morphology and Coulombic efficiency of Li metal anodes have been analyzed, and the results obtained by modelling of Li dendrite growth have also been reviewed.
Journal ArticleDOI
Electrical energy storage for transportation—approaching the limits of, and going beyond, lithium-ion batteries
TL;DR: In this article, the authors show that 2 and 5 times higher energy densities are required to meet the performance goals of a future generation of plug-in hybrid-electric vehicles (PHEVs) with a 40-80 mile all-electric range, and all-EVs with a 300-400 mile range, respectively.
Journal ArticleDOI
Advances in lithium-sulfur batteries based on multifunctional cathodes and electrolytes
TL;DR: In this article, a review of recent developments in tackling the dissolution of polysulfides, a fundamental problem in Li-S batteries, focusing on both experimental and computational approaches to tailor the chemical interactions between the sulfur host materials and poly sulfides is presented.
Journal ArticleDOI
The impact of elastic deformation on deposition kinetics at lithium/polymer interfaces
Charles W. Monroe,John Newman +1 more
TL;DR: In this paper, a Hookeanelastic model is used to compute the additional effect of bulk mechanical forces on electrode stability. But the authors assume that the surface tension resists the amplification of surface roughness at cathodes and show that instability at lithium/liquid interfaces cannot be prevented by surface forces alone.
Journal ArticleDOI
Mesoporous silicon sponge as an anti-pulverization structure for high-performance lithium-ion battery anodes
Xiaolin Li,Meng Gu,Shenyang Y. Hu,Rhiannon Kennard,Pengfei Yan,Xilin Chen,Chong M. Wang,Michael J. Sailor,Ji-Guang Zhang,Jun Liu +9 more
TL;DR: In-situ transmission electron microscopy and continuum media mechanical calculations are combined to demonstrate that large (>20 μm) mesoporous silicon sponge prepared by the anodization method can limit the particle volume expansion at full lithiation to ~30% and prevent pulverization in bulk silicon particles.
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