Lithium Dendrites: Inside or Outside: Origin of Lithium Dendrite Formation of All Solid‐State Electrolytes (Adv. Energy Mater. 40/2019)

Mo, Fangjie; Ruan, Jiafeng; Sun, Shuxian; Lian, Zixuan; Yang, Shuai; Yue, Xin‐Yang; Song, Yun; Zhou, Yong‐Ning; Fang, Fang; Sun, Guang; Peng, Shuming; Sun, Dalin

doi:10.1002/aenm.201970155

Cited by 7 publications

(12 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Electrolyte modifications to further decrease residual electron conductivity are important to suppress dendrite formation inside electrolytes. Based on this, Mo et al [138] modified the grain boundaries of LiBH 4 through LiF doping to successfully reduce overall electron conductivity by hindering electron transfer along the grain boundaries (Fig. 10d).…”

Section: Compositional Modificationmentioning

confidence: 99%

Electrolyte/Electrode Interfaces in All-Solid-State Lithium Batteries: A Review

Pang

Pan

Yang

et al. 2021

Electrochem. Energ. Rev.

197

104

View full text Add to dashboard Cite

All-solid-state lithium batteries are promising next-generation energy storage devices that have gained increasing attention in the past decades due to their huge potential towards higher energy density and safety. As a key component, solid electrolytes have also attracted significant attention and have experienced major breakthroughs, especially in terms of Li-ion conductivity. However, the poor electrode compatibility of solid electrolytes can lead to the degradation of electrolyte/electrode interfaces, which is the major cause for failure in all-solid-state lithium batteries. To address this, this review will summarize the indepth understanding of physical and chemical interactions between electrolytes and electrodes with a focus on the contact, charge transfer and Li dendrite formation occurring at electrolyte/electrode interfaces. Based on mechanistic analyses, this review will also briefly present corresponding strategies to enhance electrolyte/electrode interfaces through compositional modifications and structural designs. Overall, the comprehensive insights into electrolyte/electrode interfaces provided by this review can guide the future investigation of all-solid-state lithium batteries.

show abstract

Section: Compositional Modificationmentioning

confidence: 99%

Electrolyte/Electrode Interfaces in All-Solid-State Lithium Batteries: A Review

Pang

Pan

Yang

et al. 2021

Electrochem. Energ. Rev.

197

104

View full text Add to dashboard Cite

show abstract

“…The reduced phases of Li 2 S, Li 3 P, and other intermediates Li x P are incompetent for active SEI owing to the higher electronic conductivity of Li 3 P/Li x P, which implies uneven Li electrodeposits with higher Li‐dendrites. [ 359,360 ] Li//LiPS(100) interface displays S‐atoms for 1 st layer of LiPS shifts to Li‐metal with forming Li 2 S at the interface, which illustrates the reformation of the top 3 layers of Li. Besides, three Li and LiPS interface layers did not observe lattice distortion.…”

Section: Anode Interface Chemistrymentioning

confidence: 99%

Li, Na, K, Mg, Zn, Al, and Ca Anode Interface Chemistries Developed by Solid‐State Electrolytes

Shinde,

Wagh,

Kim

et al. 2023

Advanced Science

View full text Add to dashboard Cite

Solid‐state batteries (SSBs) have received significant attention due to their high energy density, reversible cycle life, and safe operations relative to commercial Li‐ion batteries using flammable liquid electrolytes. This review presents the fundamentals, structures, thermodynamics, chemistries, and electrochemical kinetics of desirable solid electrolyte interphase (SEI) required to meet the practical requirements of reversible anodes. Theoretical and experimental insights for metal nucleation, deposition, and stripping for the reversible cycling of metal anodes are provided. Ion transport mechanisms and state‐of‐the‐art solid‐state electrolytes (SEs) are discussed for realizing high‐performance cells. The interface challenges and strategies are also concerned with the integration of SEs, anodes, and cathodes for large‐scale SSBs in terms of physical/chemical contacts, space‐charge layer, interdiffusion, lattice‐mismatch, dendritic growth, chemical reactivity of SEI, current collectors, and thermal instability. The recent innovations for anode interface chemistries developed by SEs are highlighted with monovalent (lithium (Li+), sodium (Na+), potassium (K+)) and multivalent (magnesium (Mg2+), zinc (Zn2+), aluminum (Al3+), calcium (Ca2+)) cation carriers (i.e., lithium‐metal, lithium‐sulfur, sodium‐metal, potassium‐ion, magnesium‐ion, zinc‐metal, aluminum‐ion, and calcium‐ion batteries) compared to those of liquid counterparts.

show abstract

“…Therefore, up to now, Li-ion conductivities of most studied LiBH 4 SEs were 10 −4 S cm −2 at room temperature (RT), [8,12a,18] the best voltage window reported in LiBH 4 was 0-5.0 V, [21] and the best CCD was 6.60 mA cm −2 at 125 °C. [8] Previous theoretical calculations based on the Li-B-H phase diagram showed that LiH was a product of oxidative decomposition for LiBH 4 , which had higher oxidation stability than LiBH 4 and excellent reduction stability toward Li. [7,15] More interestingly, in LiH, the valence electrons of Li were transferred to the H, forming a strong ionic bond; [22] as a result, the calculated bandgap energy of LiH was 5.08 eV, and its experimental value was also measured to be 4.90 eV, which proved that LiH was a reliable electronic insulator.…”

Section: Introductionmentioning

confidence: 98%

“…[6] However, there are still three technical problems in LiBH 4 SEs: the low Li-ion conductivity at room temperature (10 −8 S cm −2 ), [6b] poor oxidative stability (<2 V), [7] and severe dendrite growth with critical current density (CCD) of only 2.80 mA cm −2 at 125 °C. [8] Recent studies indicated that low Li-ion conductivity in LiBH 4 originated from high electrostatic interaction between Li + and BH 4…”

Section: Introductionmentioning

confidence: 99%

“…[17] The typical methods to reduce the electronic conductivity for LiBH 4 -based SEs were to introduce a second phase with low electronic conductivity (e.g., MgO, LiF, etc. ), [8,18] and form ion/covalent bonded compounds (e.g., Li(AlO 5 BH 4 ), polyhedral borates, etc. ), [12b,19] and coordinate with those macromolecular (e.g., Li(NH 3 )BH 4 ).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

In‐Situ‐Generated Electron‐Blocking LiH Enabling an Unprecedented Critical Current Density of Over 15 mA cm⁻² for Solid‐State Hydride Electrolytes

et al. 2023

View full text Add to dashboard Cite

LiBH4 is a promising solid‐state electrolyte due to its thermodynamic stability to Li. However, poor Li‐ion conductivities at room temperature, low oxidative stabilities and severe dendrite growth hamper its application. Herein, we adopted a partial dehydrogenation strategy to in situ generate an electronic blocking layer dispersed of LiH, addressing the above three issues simuteneously. The electrically insulated LiH reduces the electronic conductivity by two orders of magnitude, leading to a 32.0‐times higher critical electrical bias for dendrite growth on the particle surfaces than that of the counterpart. Additionally, this layer not only promotes the Li‐ion conductance by stimulating coordinated rotations of BH4− and B12H122−, contributing to a Li‐ion conductivity of 1.38 × 10−3 S cm−1 at 25 °C, but also greatly enhances oxidation stability by localizing the electron density on BH4−, extending its voltage window to 6.0 V. Consequently, this electrolyte exhibits an unprecedented critical current density of 15.12 mA cm−2 at 25 °C, long‐term Li plating and stripping stability for 2700 h, and a wide temperature window for dendrite inhibition from −30 to 150 °C. Its Li‐LiCoO2 cell displayed high reversibility within 3.0 to 5.0 V. We believe this work provides a clear direction for solid‐state hydride electrolytes.This article is protected by copyright. All rights reserved

show abstract

Lithium Dendrites: Inside or Outside: Origin of Lithium Dendrite Formation of All Solid‐State Electrolytes (Adv. Energy Mater. 40/2019)

Cited by 7 publications

References 0 publications

Electrolyte/Electrode Interfaces in All-Solid-State Lithium Batteries: A Review

Electrolyte/Electrode Interfaces in All-Solid-State Lithium Batteries: A Review

Li, Na, K, Mg, Zn, Al, and Ca Anode Interface Chemistries Developed by Solid‐State Electrolytes

In‐Situ‐Generated Electron‐Blocking LiH Enabling an Unprecedented Critical Current Density of Over 15 mA cm⁻² for Solid‐State Hydride Electrolytes

Contact Info

Product

Resources

About

Lithium Dendrites: Inside or Outside: Origin of Lithium Dendrite Formation of All Solid‐State Electrolytes (Adv. Energy Mater. 40/2019)

Cited by 7 publications

References 0 publications

Electrolyte/Electrode Interfaces in All-Solid-State Lithium Batteries: A Review

Electrolyte/Electrode Interfaces in All-Solid-State Lithium Batteries: A Review

Li, Na, K, Mg, Zn, Al, and Ca Anode Interface Chemistries Developed by Solid‐State Electrolytes

In‐Situ‐Generated Electron‐Blocking LiH Enabling an Unprecedented Critical Current Density of Over 15 mA cm−2 for Solid‐State Hydride Electrolytes

Contact Info

Product

Resources

About

In‐Situ‐Generated Electron‐Blocking LiH Enabling an Unprecedented Critical Current Density of Over 15 mA cm⁻² for Solid‐State Hydride Electrolytes