scholarly journals Overview of the Recent Progress of Suppressing the Dendritic Growth on Lithium Metal Anode for Rechargeable Batteries

2022 ◽  
Vol 2152 (1) ◽  
pp. 012060
Author(s):  
Yang Liu
Keyword(s):  
Dendritic Growth ◽  
Short Circuit ◽  
Solid Electrolyte Interphase ◽  
High Capacity ◽  
High Energy ◽  
Rechargeable Batteries ◽  
Anode Surface ◽  
Future Research ◽  
Lithium Metal ◽  
Metal Anode

Abstract The lithium metal has been considered as a competitive material for anode on the high-energy storage battery because of its various advantages, such as high capacity, low density, and the lowest electrochemical potential. However, the uncontrolled dendritic growth on the anode surface could cause the short circuit, even explosion of the battery. Therefore, strategies about how to effectively inhibit the formation of dendrites is of great importance. This paper will first give a brief introduction on the growth of dendrites. The attention is then focused on the recent advancements to suppress the dendrite growth of lithium metal, such as the optimization of electrolyte, application of artificial solid electrolyte interphase (SEI), and the modification of lithium anode. The future research directions will be presented at the end.

scholarly journals Mechanism of Lithium Dendrites Formation and Suppression Strategies in Li Metal Batteries

2022 ◽  
Vol 2152 (1) ◽  
pp. 012026
Author(s):  
Zhiyu Xu
Keyword(s):  
Short Circuit ◽  
High Capacity ◽  
High Energy ◽  
High Energy Density ◽  
Lithium Metal ◽  
Metal Anode ◽  
Lithium Dendrites ◽  
Li Ion ◽  
Li Metal Anode ◽  
Increasing Demand

Abstract This paper describes and summarizes the modifying progress established on Li metal anode in recent years. With the increasing demand for high-capacity batteries, Li-ion batteries, one of the most commercialized batteries, can no longer meet the demand. Thus, the high-energy-density lithium metal battery using lithium metal as anode is widely researched due to the lowest electrochemical potential (-3.04 V) of lithium and ultimate theoretical capacity (3860 mAh/g). However, the Li dendrites formation becomes the main obstacle for the commercialization as it will trigger thermal runaway and short circuit. In this paper, the growth process of Li dendrites was discussed, and various modifying solutions based on electrolytes, Li alloy and current collectors to suppress Li dendrites were summarized.

scholarly journals High-capacity, low-tortuosity, and channel-guided lithium metal anode

2017 ◽  
Vol 114 (14) ◽  
pp. 3584-3589 ◽  
Author(s):  
Ying Zhang ◽  
Wei Luo ◽  
Chengwei Wang ◽  
Yiju Li ◽  
Chaoji Chen ◽  
...  
Keyword(s):  
Volume Change ◽  
Coulombic Efficiency ◽  
Solid Electrolyte Interphase ◽  
High Capacity ◽  
High Energy ◽  
High Energy Density ◽  
Future Application ◽  
Lithium Metal ◽  
Metal Anode ◽  
Lithium Metal Anode

Lithium metal anode with the highest capacity and lowest anode potential is extremely attractive to battery technologies, but infinite volume change during the Li stripping/plating process results in cracks and fractures of the solid electrolyte interphase, low Coulombic efficiency, and dendritic growth of Li. Here, we use a carbonized wood (C-wood) as a 3D, highly porous (73% porosity) conductive framework with well-aligned channels as Li host material. We discovered that molten Li metal can infuse into the straight channels of C-wood to form a Li/C-wood electrode after surface treatment. The C-wood channels function as excellent guides in which the Li stripping/plating process can take place and effectively confine the volume change that occurs. Moreover, the local current density can be minimized due to the 3D C-wood framework. Therefore, in symmetric cells, the as-prepared Li/C-wood electrode presents a lower overpotential (90 mV at 3 mA⋅cm−2), more-stable stripping/plating profiles, and better cycling performance (∼150 h at 3 mA⋅cm−2) compared with bare Li metal electrode. Our findings may open up a solution for fabricating stable Li metal anode, which further facilitates future application of high-energy-density Li metal batteries.

scholarly journals In situ observation of solid electrolyte interphase evolution in a lithium metal battery

2019 ◽  
Vol 2 (1) ◽  
Author(s):  
Maryam Golozar ◽  
Andrea Paolella ◽  
Hendrix Demers ◽  
Stéphanie Bessette ◽  
Marin Lagacé ◽  
...  
Keyword(s):  
Grain Boundaries ◽  
Solid Electrolyte Interphase ◽  
High Energy ◽  
High Energy Density ◽  
Anode Surface ◽  
In Situ Observation ◽  
Lithium Metal ◽  
Metal Anode ◽  
Dendrite Formation

AbstractLithium metal is a favorable anode material in all-solid Li-polymer batteries because of its high energy density. However, dendrite formation on lithium metal causes safety concerns. Here we obtain images of the Li-metal anode surface during cycling using in situ scanning electron microscopy. Constructing videos from the images enables us to monitor the failure mechanism of the battery. Our results show the formation of dendrites on the edge of the anode and isles of decomposed lithium bis(trifluoromethanesulfonyl)imide on the grain boundaries. Cycling at high rates results in the opening of the grain boundaries and depletion of lithium in the vicinity of the isles. We also observe changes in the surface morphology of the polymer close to the anode edge. Extrusion of lithium from these regions could be evidence of polymer reduction due to a local increase in temperature and thermal runaway assisting in dendrite formation.

Carbon-rich Conjugated Framework PTEB Modified Cu Nanowires for Stabilizing Lithium Metal Anode

2021 ◽  
Author(s):  
Shan Yang ◽  
Ru Xiao ◽  
Tongwei Zhang ◽  
Yuan Li ◽  
Benhe Zhong ◽  
...  
Keyword(s):  
Energy Density ◽  
Dendritic Growth ◽  
Coulombic Efficiency ◽  
Lithium Ion ◽  
High Energy ◽  
High Energy Density ◽  
Lithium Metal ◽  
Metal Anode ◽  
Cu Nanowires ◽  
Lithium Metal Anode

Lithium metal anode provides a direction for the development of high-energy-density lithium ion batteries. In order to solve lithium dendritic growth and low Coulombic efficiency in lithium plating/stripping process, designing...

scholarly journals Lithium Metal Anode for High-Power and High-Capacity Rechargeable Batteries

2021 ◽  
Vol 03 (02) ◽  
pp. 1-1
Author(s):  
Nobuyuki Imanishi ◽  
◽  
Daisuke Mori ◽  
Sou Taminato ◽  
Yasuo Takeda ◽  
...  
Keyword(s):  
Current Density ◽  
High Current Density ◽  
Specific Capacity ◽  
High Capacity ◽  
High Energy ◽  
Rechargeable Batteries ◽  
High Energy Density ◽  
Current Status ◽  
High Current ◽  
Lithium Metal

Because lithium metal exhibits high specific capacity and low potential, it is the best candidate for fabricating anodes for batteries. Rechargeable batteries fabricated using lithium anode exhibit high capacity and high potential cathode; these can be potentially used to fabricate high energy density batteries (>500 Wh kg–1) that can be used for the development of next-generation electric vehicles. However, the formation and growth of lithium dendrites and the low coulombic efficiency recorded during lithium plating and stripping under conditions of high current density hinder the use of lithium metal as the anodic material for the development of practical rechargeable batteries. In this short review, we outline the current status and prospects of lithium anodes for fabricating batteries in the presence of non-aqueous liquid, polymer, and solid electrolytes operated under conditions of high current density.

In Situ Formed Flexible Three-Dimensional Honeycomb-like Film for LiF/Li3N-riched Hybrid Organic-Inorganic Interphase on Li Metal Anode

2021 ◽  
Author(s):  
Daobin Mu ◽  
Chengwei Ma ◽  
Ge Mu ◽  
Haijian Lv ◽  
Chengcai Liu ◽  
...  
Keyword(s):  
Solid Electrolyte Interphase ◽  
Three Dimensional ◽  
High Energy ◽  
Liquid Electrolyte ◽  
Lithium Metal ◽  
Metal Anode ◽  
Lithium Metal Anode ◽  
Li Metal Anode ◽  
Storage Batteries

The solid-electrolyte interphase (SEI) plays an important role in stabilizing lithium metal anode for high-energy storage batteries. However, the SEI between lithium metal anode and liquid electrolyte is usually unstable...

scholarly journals Design rules for liquid crystalline electrolytes for enabling dendrite-free lithium metal batteries

2020 ◽  
Vol 117 (43) ◽  
pp. 26672-26680
Author(s):  
Zeeshan Ahmad ◽  
Zijian Hong ◽  
Venkatasubramanian Viswanathan
Keyword(s):  
Density Functional ◽  
Liquid Crystalline ◽  
Morphological Evolution ◽  
High Energy ◽  
Rechargeable Batteries ◽  
High Energy Density ◽  
Lithium Metal ◽  
Metal Anode ◽  
Practical Applications ◽  
Lithium Metal Batteries

Dendrite-free electrodeposition of lithium metal is necessary for the adoption of high energy-density rechargeable lithium metal batteries. Here, we demonstrate a mechanism of using a liquid crystalline electrolyte to suppress dendrite growth with a lithium metal anode. A nematic liquid crystalline electrolyte modifies the kinetics of electrodeposition by introducing additional overpotential due to its bulk-distortion and anchoring free energy. By extending the phase-field model, we simulate the morphological evolution of the metal anode and explore the role of bulk-distortion and anchoring strengths on the electrodeposition process. We find that adsorption energy of liquid crystalline molecules on a lithium surface can be a good descriptor for the anchoring energy and obtain it using first-principles density functional theory calculations. Unlike other extrinsic mechanisms, we find that liquid crystals with high anchoring strengths can ensure smooth electrodeposition of lithium metal, thus paving the way for practical applications in rechargeable batteries based on metal anodes.

An artificial hybrid interphase endowing ultrahigh-rate and practical lithium metal anode

2021 ◽  
Author(s):  
Anjun Hu ◽  
Wei Chen ◽  
Xinchuan Du ◽  
Yin Hu ◽  
Tianyu Lei ◽  
...  
Keyword(s):  
Solid Electrolyte ◽  
Solid Electrolyte Interphase ◽  
Rechargeable Batteries ◽  
High Rate ◽  
Lithium Metal ◽  
Metal Anode ◽  
Sei Layer ◽  
Lithium Metal Anode ◽  
Artificial Hybrid

The solid-electrolyte interphase (SEI) layer is pivotal for the stable and rechargeable batteries especially under high rate. However, the mechanism of Li+ transport through the SEI has not been clearly...

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