Enhancing cycle life of nickel-rich LiNi0.9Co0.05Mn0.05O2 via a highly fluorinated electrolyte additive - pentafluoropyridine

Xiao-zhen, Zhang; Liu, Gaopan; Zhou, Ke; Jiao, Tianpeng; Zou, Yue; Wu, Qilong; Chen, Xunxin; Yong, Yang; Zheng, Jianming

doi:10.20517/energymater.2021.07

Cited by 26 publications

(18 citation statements)

References 27 publications

(35 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Through fitting of the experimental EIS data using the equivalent circuit model in Figure 6D, the charge transfer resistance (R ct ) of 93.3 Ω is obtained for the LMO anode before cycling, while the R ct of the LMO@CNF is much lower at 48.5 Ω, [Figure 6A], indicating its higher electron transfer rate at the electrode interface. The Li-ion diffusion rate can be calculated by [30,31] :…”

Section: Resultsmentioning

confidence: 99%

Lithium molybdate composited with carbon nanofibers as a high-capacity and stable anode material for lithium-ion batteries

Wang¹,

Yao²,

Li³

et al. 2022

Energy Mater

View full text Add to dashboard Cite

Transition metal molybdates have been studied as anode materials for high-performance lithium-ion batteries, owing to their high theoretical capacity and low cost, as well as the multivalent states of molybdenum. However, their electrochemical performance is hindered by poor conductivity and large volume changes during charge and discharge. Here, we report lithium molybdate (Li2MoO4) composited with carbon nanofibers (Li2MoO4@CNF) as an anode material for lithium-ion batteries. Li2MoO4 shows a shot-rod nanoparticle morphology that is tightly wound in the fibrous CNF. Compared with bare Li2MoO4, the Li2MoO4@CNF composite demonstrates superior high specific capacity and cycling stability, which are attributed to the reversible Li-ion intercalation in the LixMoyOz amorphous phase during charge and discharge. The capacity of the Li2MoO4@CNF anode material can reach 830 mAh g-1 in the second cycle and 760 mAh g-1 after 100 cycles at a charge/discharge current density of 100 mA g-1, which is much better than the bare Li2MoO4. This work provides a simple method to prepare a high-capacity and stable lithium molybdate anode material for lithium-ion batteries.

show abstract

Section: Resultsmentioning

confidence: 99%

Lithium molybdate composited with carbon nanofibers as a high-capacity and stable anode material for lithium-ion batteries

Wang¹,

Yao²,

Li³

et al. 2022

Energy Mater

View full text Add to dashboard Cite

show abstract

“…Studies have shown that the disorder can disrupt the transport path of lithium ions and with the effect of the electrostatic repulsion between transition metal elements, the Li mobility can be significantly reduced. Simultaneously, the Li slab space can also be reduced due to the disorder effect, resulting in a high activation barrier to Li-ion diffusion [91] . To address these challenges, the doping of polymetallic elements was developed to stabilize the crystal structure, and thus the disadvantage of single doping can be avoided with additional advantages, e.g., enhanced electrical properties.…”

Section: Typical Lib Electrode Materialsmentioning

confidence: 99%

Advances in lithium-ion battery materials for ceramic fuel cells

2022

Energy Mater

View full text Add to dashboard Cite

Lithium-ion batteries (LIBs) and ceramic fuel cells (CFCs) are important for energy storage and conversion technologies and their materials are central to developing advanced applications. Although there are many crosslinking research activities, e.g., through materials and some common scientific fundamentals employed for both LIB and CFCs, crosslinking scientific aspects to achieve a comprehensive understanding are missing. There is a lack of such a review to promote and guide further research and development in the crosslinking of LIBs and CFCs. Herein, we review the existing application of LIB materials in CFCs to discover the scientific advances of lithium-ion and proton transport cooperation and identify the new directions of Li-CFCs in the future. This review is the first to propose CFC advances, especially at low temperatures (300-600 °C) by applying LIB materials to practical devices and highlight the material properties and new device functions with enhanced performance, as well as the scientific mechanisms and principles. Furthermore, we seek to deepen the scientific understanding of materials science, ion transport mechanisms and semiconductor electrochemistry to benefit both the battery and fuel cell fields.

show abstract

“…In addition, the side reactions of the interface between the FSEs and the composite electrode are also a thorny issue during the battery cycling, which involves inferior anodic stability and chemical incompatibility of FSEs and the high voltage cathode materials. [ 64–67 ] The uneven current distribution and sluggish Li + transfer and interface side reaction are the dominant reasons to deteriorate the electrochemical performance of FLBs, especially when the batteries are in state‐of‐charge (SOC) or at high temperature. It is worth noting that FLBs inevitably undergo more complex external/internal stresses such as folding, bending, and stretching frequently, which are fatal to the electrochemical performance and safety of FLBs.…”

Section: Interface Challenges and Optimization Strategies In Flbsmentioning

confidence: 99%

Recent achievements of free‐standing material and interface optimization in high‐energy‐density flexible lithium batteries

Zuo

Lü

Yang

et al. 2022

Carbon Neutralization

View full text Add to dashboard Cite

Lithium-based batteries are the most potential state-of-the-art energy storage device for flexible electronics. The flexible lithium batteries have the advantages of high energy density, robust mechanical durability, and stable power output even under dynamic deformation. Among them, the synergies of flexible free-standing electrodes, solid electrolytes, and electrode-electrolyte interfaces are crucial to achieving the goal of high energy density and safety performance for flexible lithium batteries.Therefore, a thorough understanding of the interface formation mechanism and influencing factors is crucial for the design of flexible electrodes and solid electrolytes. In this review, the interface challenges in flexible lithium-based batteries including interface formation, electrodeselectrolyte interface, and interparticle interface characteristics are presented. Then, strategies of interface optimization are summarized and discussed. Following this, the interface of flexible lithium-based batteries with novel architecture is introduced, including the interface between each component and unit of the battery. Finally, the perspectives for the future development of flexible lithium-based batteries are also given.

show abstract

Enhancing cycle life of nickel-rich LiNi0.9Co0.05Mn0.05O2 via a highly fluorinated electrolyte additive - pentafluoropyridine

Abstract: Y, Zheng J. Enhancing cycle life of nickel-rich LiNi 0.9 Co 0.05 Mn 0.05 O 2 via a highly fluorinated electrolyte additive -pentafluoropyridine. Energy

Cited by 26 publications

References 27 publications

Lithium molybdate composited with carbon nanofibers as a high-capacity and stable anode material for lithium-ion batteries

Lithium molybdate composited with carbon nanofibers as a high-capacity and stable anode material for lithium-ion batteries

Advances in lithium-ion battery materials for ceramic fuel cells

Recent achievements of free‐standing material and interface optimization in high‐energy‐density flexible lithium batteries

Contact Info

Product

Resources

About