B4C as a stable non-carbon-based oxygen electrode material for lithium-oxygen batteries

Song, Shidong; Xu, Wu; Cao, Ruiguo; Luo, Langli; Engelhard, Mark H.; Bowden, Mark E.; Liu, Bin; Estevez, Luis; Wang, Chongmin; Zhang, Ji‐Guang

doi:10.1016/j.nanoen.2017.01.042

Cited by 68 publications

(30 citation statements)

References 53 publications

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“…In addition to TiC, a different type of carbide, boron carbide (B 4 C), has been introduced as novel bifunctional electrocatalyst for ORR and OER in LOBs . Low density, low cost, and high chemical resistance situated B 4 C as a promising alternative to carbon‐based air‐electrodes.…”

Section: Toward Carbon‐free Air Electrodesmentioning

confidence: 99%

“…Low density, low cost, and high chemical resistance situated B 4 C as a promising alternative to carbon‐based air‐electrodes. Under limited capacity of 100 mAh g −1 and a current density of 0.1 mA cm −2 , B 4 C cells with an optimum 7 wt% PTFE binder achieved 250 cycles in the voltage window of 2.0–4.7 V versus Li + /Li and a total cycle time of 1600 h . Developing preparation techniques to increase the surface area of B 4 C and provide more active sites for product deposition will allow to improve the somewhat low specific capacity of B 4 C (≈100 mAh g B4C −1 ).…”

Section: Toward Carbon‐free Air Electrodesmentioning

confidence: 99%

“…Developing preparation techniques to increase the surface area of B 4 C and provide more active sites for product deposition will allow to improve the somewhat low specific capacity of B 4 C (≈100 mAh g B4C −1 ). Loss of active sites degraded the cycle performance of B 4 C‐based LOB, which exhibited slower passivation compared to TiC and extended cycle life …”

Section: Toward Carbon‐free Air Electrodesmentioning

confidence: 99%

See 2 more Smart Citations

A Critical Review on Functionalization of Air‐Cathodes for Nonaqueous Li–O₂ Batteries

Balaish

Jung

Kim

et al. 2019

Adv Funct Materials

147

100

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This review reports on the most updated technological aspects of Li-air battery cathode materials. It provides the reader with recent developments, alongside critical views. The requirements for air-cathodes, as well as the classification and characterization of carbon-based and carbon-free air cathodes, are listed. The effects of two major substituent groups of materials, namely carbon and advanced materials (metals, metal-oxides, metal-carbides, and metal-nitrides) aimed at replacing carbon, are discussed in terms of their chemical and electrochemical stability. The report covers aspects of surface chemistry and structure influence on the electrolyte and discharge products stability. The review also reports on the efforts to suppress side reactions and deterioration of the polymeric binders (if a composite electrode is being considered). This is recognized as a means to enhance Li-air battery performance. The report concludes with an outlook and perspective, providing the readers with some insight on other factors and their impact on the long road toward a viable air-cathode suitable for Li-air battery operations.The ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/adfm.201808303.respectively. [1] The configuration of an aprotic LOB is based on coupling lithium metal anode and air-breathing cathode in a non-aqueous electrolyte system. The electrochemical reactions occurring during discharge are complex multistep reactions and may involve dissolved and/or adsorbed species alongside parasitic reactions. [2][3][4][5] Oxygen reduction reaction during discharge largely depends on the cathode and electrolytes characteristics; yet, a dominant process involving a two-electron oxygen reduction reaction (ORR), with the formation of Li 2 O 2 , is reported, according to the following reaction [6] The reverse process, namely lithium peroxide oxidation, occurs upon charging. The formation/decomposition of Li 2 O 2 during discharge/charge is often accompanied by parasitic side reactions, due to instability of the major battery components (cathode, electrolyte, and anode) under operating conditions. [7][8][9][10][11][12] While lithium metal anode corrosion can be mitigated by a protective solid electrolyte (SE) membrane, [13][14][15] the electrolyte and cathode are considered as the most challenging components of LOB. Much efforts have been placed on understanding the role of the electrolyte, its degradation, on Li-O 2 reaction mechanism and battery performance. [16][17][18][19][20] Nonetheless, the high discharge/ charge overpotential and severe capacity loss in the course of cycling are also largely related to the air-breathing cathode. A stable, high surface area, cost-efficient air-electrode with excellent catalytic activities toward oxygen reduction and oxidation is crucial for the development of practical LOB. Cathode materials should be stable, durable, and hold interfaces with minimum surface oxide layers, which can inhibit charge transfer during the charging p...

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Section: Toward Carbon‐free Air Electrodesmentioning

confidence: 99%

Section: Toward Carbon‐free Air Electrodesmentioning

confidence: 99%

Section: Toward Carbon‐free Air Electrodesmentioning

confidence: 99%

See 1 more Smart Citation

A Critical Review on Functionalization of Air‐Cathodes for Nonaqueous Li–O₂ Batteries

Balaish

Jung

Kim

et al. 2019

Adv Funct Materials

147

100

View full text Add to dashboard Cite

show abstract

“…3). This approach, sometimes looking at battery components as a function of the number of cycles, is highly informative [16][17][18][19][20][21][22][23] but requires a new sample for each analysis condition.…”

Section: In Situ Cells and Sample Handlingmentioning

confidence: 99%

Multimodal and in-situ Chemical Imaging of Critical Surfaces and Interfaces in Advanced Batteries

Wang

Yan

Zhu

et al. 2017

JSA

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Interfaces play a critical role in the properties and lifetime of current generation and advanced batteries. However, detailed characterization of the critical interfaces during battery operation which can enable performance improvements and improved design has been a significant challenge requiring innovative technique development and creative experiments. This paper describes ways that information from a range of microscopy, spectroscopy, and spectrometry tools can be used to address important challenges associated with energy storage science and technology, in particular the development of advanced batteries for consumer use, transportation, and renewable storage. Expanding the types of measurements that can be made on operational model batteries has significantly expanded the type and quality of information that can be obtained. This paper first shows examples of approaches being used to collect in situ transmission electron microscopy (TEM), secondary ion mass spectrometry and x-ray photoelectron spectroscopy (XPS) data.The final section of the paper briefly shows two examples: the use of in situ XPS to examine solid-electrolyte interphase layers and a multimodal chemical imaging approach, including scanning TEM, atom probe tomography, scanning transmission x-ray microscopy, and x-ray adsorption near edge spectroscopy to understand the nanostructure and improve the performance of layered lithium transition metal oxide cathodes.

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“…They have attracted considerable attention because of their superhardness, low density, high-temperature stability, high neutron absorption cross section, and excellent thermoelectric characteristics [2]. Given these properties, boron carbides are fascinating materials that can be used in high-temperature semiconductors, wearresistant components, light-weight armor, neutron radiation absorbers in nuclear reactors, and electrode materials for batteries and fuel cells [1,[3][4][5]. Boron-carbon nanostructures, including nanosprings [6], nanowires [7,8], and clusters [9], have become major research topics in recent years because of their potential applications in nanoelectronics, nanomechanics, and flat-panel displays.…”

Section: Introductionmentioning

confidence: 99%

Theoretical study on the structural, electronic, and optical properties of B_nC_n (n = 1–13) clusters

Chen

Zhang

Song

et al. 2020

Mater. Res. Express

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We applied density functional theory (DFT) calculations to investigate the low-energy geometries and electronic characteristics of stoichiometric B n C n (n=1-13) clusters. We performed harmonic vibration frequency analysis to ensure that the ground-state isomers are the real local minima. B n C n clusters tend to evolve from planar and annular structures to quasiplanar bowl structures to maintain the lowest structural energy as cluster size n increases. The clusters with even n have large HOMO-LUMO gaps and high stability. We used the time-dependent DFT (TDDFT) calculations to acquire the optical absorption spectra for the lowest-energy B n C n (n=4, 6, 8, 10, 12) clusters. The clusters exhibit strong absorption in the ultraviolet region. With the increasement of n, the absorption of clusters, particularly that of the B 8 C 8 cluster, intensifies in the visible region. Therefore, the clusters investigated in this work can be used to fabricate novel two-dimensional materials for visible-light absorption and have potential applications in various fields, such as catalysis.

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B4C as a stable non-carbon-based oxygen electrode material for lithium-oxygen batteries

Cited by 68 publications

References 53 publications

A Critical Review on Functionalization of Air‐Cathodes for Nonaqueous Li–O₂ Batteries

A Critical Review on Functionalization of Air‐Cathodes for Nonaqueous Li–O₂ Batteries

Multimodal and in-situ Chemical Imaging of Critical Surfaces and Interfaces in Advanced Batteries

Theoretical study on the structural, electronic, and optical properties of B_nC_n (n = 1–13) clusters

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B4C as a stable non-carbon-based oxygen electrode material for lithium-oxygen batteries

Cited by 68 publications

References 53 publications

A Critical Review on Functionalization of Air‐Cathodes for Nonaqueous Li–O2 Batteries

A Critical Review on Functionalization of Air‐Cathodes for Nonaqueous Li–O2 Batteries

Multimodal and in-situ Chemical Imaging of Critical Surfaces and Interfaces in Advanced Batteries

Theoretical study on the structural, electronic, and optical properties of BnCn (n = 1–13) clusters

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A Critical Review on Functionalization of Air‐Cathodes for Nonaqueous Li–O₂ Batteries

A Critical Review on Functionalization of Air‐Cathodes for Nonaqueous Li–O₂ Batteries

Theoretical study on the structural, electronic, and optical properties of B_nC_n (n = 1–13) clusters