About the Compatibility between High Voltage Spinel Cathode Materials and Solid Oxide Electrolytes as a Function of Temperature

Miara, Lincoln J.; Windmüller, Anna; Tsai, Chih‐Long; Richards, W. Lance; Ma, Qianli; Uhlenbruck, Sven; Guillon, Olivier; Ceder, Gerbrand

doi:10.1021/acsami.6b09059

Cited by 200 publications

(220 citation statements)

References 37 publications

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Section: Solid Electrolyte Interfacesmentioning

confidence: 99%

“…146 Intrinsically, many of the highest conductivity SSE systems are not thermodynamically stable in the voltage ranges of interest. 8,146,147 In sulfide systems, mutual diffusion of Co, P, and S at the interface have been predicted and observed using cross-sectional transmission electron microscopy. 148,149 For LLZO systems, LiMnO 2 forms readily at elevated temperature with manganese-containing cathodes and further decomposes into additional interphases at the SSE-cathode interface.…”

Section: Solid Electrolyte Interfacesmentioning

confidence: 99%

“…It has been shown that a number of Table I. decomposition materials such as La 2 Zr 2 O 7 , La 2 O 3 , La 3 TaO 7 , TiO 2 , and LaMnO 3 form and are detrimental to interfacial impedance after fabrication. 146,150 Lower temperature densification and processing steps could be a valuable method to mitigate these effects. 187 Broadly speaking, with the exception of thin film cathodes all reports of full cell architectures utilize lower active material electrode loading than state-of-the-art liquid cells.…”

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confidence: 99%

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Review—Practical Challenges Hindering the Development of Solid State Li Ion Batteries

Kerman

Luntz

Viswanathan

et al. 2017

J. Electrochem. Soc.

562

471

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Solid state electrolyte systems boasting Li + conductivity of >10 mS cm −1 at room temperature have opened the potential for developing a solid state battery with power and energy densities that are competitive with conventional liquid electrolyte systems. The primary focus of this review is twofold. First, differences in Li penetration resistance in solid state systems are discussed, and kinetic limitations of the solid state interface are highlighted. Second, technological challenges associated with processing such systems in relevant form factors are elucidated, and architectures needed for cell level devices in the context of product development are reviewed. Specific research vectors that provide high value to advancing solid state batteries are outlined and discussed. Solid state battery systems are of great interest because of potential benefits in gravimetric and volumetric energy density, operable temperature range, and safety in comparison to traditional liquid electrolyte based systems. However, unresolved fundamental issues remain in the quest to fully understand the behavior of all-solid batteries, especially in the area of electrochemical interfaces.1 There are also a number of significant engineering challenges that require methodical effort to enable a tangible product. Some transitions from academic laboratories to entrepreneurial efforts attempting to overcome these challenges remain unsuccessful in efforts to bring a product to the market.2,3 Vital parameters that require robust understanding from a product development standpoint are material cost, cell lifetime and shelf life, cell energy density on a volumetric and gravimetric basis, operable capabilities for given temperature conditions, and safety. The advantage of energy density remains to be realized in solid state electrolytes (SSEs) since most studies to date utilize thick SSEs or cathodes with low active loading compared to liquid counterparts. 4,5 Furthermore, the desire to use SSEs in conjunction with Li metal anodes requires understanding and managing the morphology of Li metal plating, which can impact volumetric energy density. Operation at both higher and lower temperature compared to conventional technologies is a significant potential advantage of SSE systems. However, reports of solid state cells achieving parity with traditional systems at room temperature or any other temperature do not currently exist. The safety, specifically decreased flammability, of SSE systems is another potential advantage but requires ongoing validation and study.6 Unlike current liquid electrolyte systems, 7 the manufacturability and material component costs of SSEs have not been well characterized, and thus the value of these features will need to be weighed accordingly with any added cost. Operating lifetime of SSEs capturing intrinsic materials parameters such as voltage stability, 8 as well as catastrophic failure modes such as shorting, 9 have been briefly investigated, but in the absence of high energy density electrode formulations and appli...

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Section: Solid Electrolyte Interfacesmentioning

confidence: 99%

Section: Solid Electrolyte Interfacesmentioning

confidence: 99%

mentioning

confidence: 99%

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Review—Practical Challenges Hindering the Development of Solid State Li Ion Batteries

Kerman

Luntz

Viswanathan

et al. 2017

J. Electrochem. Soc.

562

471

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“…K. Park et al [232] demonstrated that high-temperature processing (700 °C) induced elemental cross-diffusion (particularly Al) promoting cubic LLZO partially transforming to tetragonal LLZO at the LLZO/LiCoO 2 interface. [236] Highly stable Li 2 MnO 3 with some insulating phases (La 2 Zr 2 O 7 , La 2 O 3 , La 3 TaO 7 , TiO 2 , and LaMnO 3 ) were produced, serving to increase interfacial impedance. [233] The amazing thing is that different reaction products were reported in the LLZO/LiCoO 2 system.…”

Section: Origin Of the Interfacial Resistancementioning

confidence: 99%

“…The stability of LiNiO 2 was then depressed and transformed to highly resistive NiO and La 2 Ti 2 O 7. [236] Copyright 2016, American Chemical Society. An irreversible reaction, starting at ≈3.8 V upon charging, was reported to take place at the LLZO/LiMn 1.5 Ni 0.5 O 4 interface, leading to battery crash after first charging.…”

Section: Origin Of the Interfacial Resistancementioning

confidence: 99%

Interfacial Incompatibility and Internal Stresses in All‐Solid‐State Lithium Ion Batteries

Liu

et al. 2019

Advanced Energy Materials

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The continuous depletion of fossil fuels, the increase of oil prices, and the need to decrease CO 2 emissions have stimulated intensive research on developing alternative renewable and clean energy sources. [1] Among these alternative energy sources, rechargeable Li-ion batteries (LIBs) are one of the promising candidates. To date, the LIBs basically consisting of a positive electrode (cathode), an electrolyte, and a negative electrode (anode) have widespread applications, such as portable electronic devices, pure electric vehicles (PEVs), and hybrid electric vehicles (HEVs). [2] The state-of-the-art electrolytes are usually the lithium salts (LiPF 6 , LiBF 4 , and LiCF 3 SO 3 ) dissolved in organic solvents, i.e., ethylene carbonate, propylene carbonate, polyethylene oxide, and dimethyl carbonate, [3] which exhibit excellent wetting of the electrodes and produce a fast transfer of Li + ions upon charging and discharging. However, they suffer from flammability, poor electrochemical stability, limited temperature range of operation, and low power density. [4] There is an ever-increasing demand for batteries with a higher energy and power density, although current LIBs offer volumetric and gravimetric energy densities up to 770 Wh L −1 and 260 Wh kg −1 , respectively. [5] To improve the energy/power density of LIBs, one way is to adopt high-potential cathode materials such as LiNi 0.5 Mn 1.5 O 4 (LNMO). The high-voltage plateau of LNMO (≈4.7 V vs Li/Li + ) makes its energy density 20-30% higher than the energy density of commercial LiCoO 2 and LiFePO 4 . [6] However, successful commercialization of the LNMO is restricted in high-energy LIBs due to electrolyte decomposition and side reaction of the cathodes and liquid electrolytes when operating at high voltages. [7,8] The other way to improve the energy/power density is to replace the conventional graphite anode with Li metal. The Li metal, with a low anode potential (−3.04 V vs standard hydrogen electrode) and high specific capacity (3862 mAh g −1 for the Li anode versus 372 mAh g −1 for the graphite anode), [9][10][11] has been considered as the "Holy Grail" of battery technologies. When paired with sulfur and oxygen, the theoretical energy density of Li-S (≈2567 Wh kg −1 ) and Li-O 2 (≈3505 Wh kg −1 ) batteries is far higher than the theoretical energy density of conventional LIBs (≈387 Wh kg −1 ). [12][13][14][15] When Li metal approaches the liquid electrolytes, however, unstable Li/electrolyte interface Rechargeable Li-ion batteries (LIBs) are electrochemical storage device widely applied in electric vehicles, mobile electronic devices, etc. However, traditional LIBs containing liquid electrolytes suffer from flammability, poor electrochemical stability, and limited operational temperature range. Replacement of the liquid electrolytes with inorganic solid-state electrolytes (SSEs) would solve this problem. However, several critical issues, such as poor interfacial compatibility, low ionic conductivity at ambient temperatures, etc., need to be surmounted befor...

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Interfaces in Oxide‐Based Li Metal Batteries*

Balaish

Kim

Wadaguchi

et al. 2022

Transition Metal Oxides for Electrochemical Energy Storage

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About the Compatibility between High Voltage Spinel Cathode Materials and Solid Oxide Electrolytes as a Function of Temperature

Cited by 200 publications

References 37 publications

Review—Practical Challenges Hindering the Development of Solid State Li Ion Batteries

Review—Practical Challenges Hindering the Development of Solid State Li Ion Batteries

Interfacial Incompatibility and Internal Stresses in All‐Solid‐State Lithium Ion Batteries

Interfaces in Oxide‐Based Li Metal Batteries*

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