Cobalt phosphide cathode material for lithium-sulfur batteries
Accelerating redox kinetics by ZIF-67 derived amorphous cobalt ...
Accelerating redox kinetics by ZIF-67 derived amorphous cobalt phosphide electrocatalyst for high-performance lithium-sulfur batteries January 2023 Energy Materials 3(1)
Engineering Strategies for Suppressing the Shuttle Effect in Lithium–Sulfur Batteries
Lithium–sulfur (Li–S) batteries are supposed to be one of the most potential next-generation batteries owing to their high theoretical capacity and low cost. Nevertheless, the shuttle effect of firm multi-step two-electron reaction between sulfur and lithium in liquid electrolyte makes the capacity much smaller than the theoretical value. …
Mechanistic Understanding of Metal Phosphide Host for Sulfur Cathode …
For solving the drawbacks of low conductivity and the shuttle effect in a sulfur cathode, various nonpolar carbon and polar metal compounds with strong chemical absorption ability are applied as sulfur host materials for lithium–sulfur (Li–S) batteries. Nevertheless, previous research simply attributed the performance improvement of sulfur …
MOF-derived nickel‑cobalt bimetallic phosphide CoNiP for the …
Over the past decades, many strategies have been reported to improve the electrochemical performance of lithium‑sulfur batteries, such as cathode material optimization [8, 9], electrolyte engineering [10], utilizing functional interlayers or separators [11, 12], and Li anode protection, etc. [13]. Among many methods, designing a reasonable ...
Sea-urchin-like iron-cobalt phosphide as an advanced anode material for lithium ion batteries …
Sea-urchin-like iron-cobalt phosphide as an advanced anode material for lithium ion batteries† Prakash Kumar Pathak‡, Ved Prakash Joshi‡, Nitish Kumar and Rahul R. Salunkhe * Materials Research Laboratory, Department of Physics, Indian Institute of Technology Jammu, Jammu and Kashmir 181121, India.
Strong charge polarization effect enabled by surface oxidized titanium nitride for lithium-sulfur batteries …
the as-prepared TiN-O-OMC as the cathode material with a sulfur loading of ~1.4 mg cm −2 ... Y. et al. Surface chemistry in cobalt phosphide-stabilized lithium-sulfur batteries . J. Am. Chem ...
Cobalt phosphide embedded in a 3D carbon frame as a sulfur …
At the same time, CoP has a catalytic effect and can accelerate the conversion of LiPSs to inhibit the shuttle effect. Based on the CoP@3DC/S cathode, the …
The cobalt phosphide material proved effective in capturing polysulfides and in catalyzing conversion of soluble intermediates with good kinetics. ... Eftekhari, A.; Kim, D.-W. Cathode materials for lithium-sulfur batteries: A practical perspective. ... L.Y.S.; Piao, Y. γ-Fe 2 O 3 nanoparticles anchored in MWCNT hybrids as efficient sulfur ...
Interlayer Material Selection for Lithium-Sulfur Batteries
Sulfur, an earth-abundant material, can react with metallic Li and deliver a high theoretical specific energy of 2,600 Wh kg −1 and specific capacity of 1,675 mAh g −1 in lithium-sulfur batteries (LSBs). However, the low conductivity of sulfur and discharge products leads to poor electrochemical performance, the dissolution of lithium …
Surface Chemistry in Cobalt Phosphide-Stabilized Lithium-Sulfur Batteries …
PDF | On Jan 8, 2018, Yiren Zhong and others published Surface Chemistry in Cobalt Phosphide-Stabilized Lithium-Sulfur Batteries | Find, read and cite all the research you need
NC@CoP–Co3O4 composite as sulfur cathode for high-energy lithium–sulfur batteries | Journal of Material…
We designed and prepared a new type of sulfur cathode material (NC@CoP–Co3O4) ... Yin L, He P, Liu W, Wu Z, Wang H (2018) Surface chemistry in cobalt phosphide-stabilized lithium-sulfur batteries. J …
Efficient Activation of Li2S by Transition Metal Phosphides Nanoparticles for Highly Stable Lithium–Sulfur Batteries …
Considerable research efforts have been devoted to the lithium–sulfur battery due to its advantages such as high theoretical capacity, high energy density, and low cost. However, the shuttle effect and the irreversible deposition of Li2S result in severe capacity decay and low Coulombic efficiency. Herein, we discovered that the transition …
A multidimensional and hierarchical carbon-confined cobalt phosphide nanocomposite as an advanced anode for lithium …
A multidimensional and hierarchical carbon-confined cobalt phosphide nanocomposite as an advanced anode for lithium and sodium storage B. Wang, K. Chen, G. Wang, X. Liu, H. Wang and J. Bai, Nanoscale, 2019, 11, 968 DOI: 10.1039/C8NR07076H
Fabrication of Cubic and Porous Carbon Cages with In-Situ-Grown Carbon Nanotube Networks and Cobalt Phosphide for High-Capacity and Stable Lithium ...
Lithium–sulfur (Li–S) batteries have attracted considerable attention due to their high specific capacity, low cost, and eco-friendly raw material. However, the insulating property of sulfur and dissolution of lithium polysulfides (LiPSs) lead to rapid capacity decay and low Coulombic efficiency. In this work, we smartly synthesized a composite material as the …
Download Citation | Catalytic cobalt phosphide Co2P/carbon nanotube nanocomposite as host material for high performance lithium-sulfur battery cathode | Lithium-sulfur batteries are one of the ...
Cobalt Phosphide Nanoflake-Induced Flower-like Sulfur for High …
Sulfur reactivity in lithium–sulfur batteries highly depends on its distribution and morphology during cycling, which is of great significance to suppress the shuttle effect and promote conversion reaction. Herein, cobalt phosphide nanoflakes are prepared and used as a sulfur host. An improved redox kinetics from sulfur to lithium …
Interlayer Material Selection for Lithium-Sulfur Batteries
Sulfur, an earth-abundant material, 9 can react with metallic Li and deliver a high theoretical specific energy of 2,600 Wh kg −1 and specific capacity of 1,675 mAh g −1. 10, 11 More strikingly, for packaged lithium-sulfur batteries (LSBs), the …
Surface Chemistry in Cobalt Phosphide-Stabilized Lithium–Sulfur …
Chemistry at the cathode/electrolyte interface plays an important role for lithium–sulfur batteries in which stable cycling of the sulfur cathode requires confinement of the lithium polysulfide intermediates and their fast electrochemical conversion on the …
Tungsten phosphide on nitrogen and phosphorus-doped carbon …
Introduction. Lithium-sulfur batteries (LSBs) are one of the most promising technologies for the new generation of energy storage systems. Their interest arises from the abundance and low cost of the cathode active material and its high theoretical specific capacity (1675 mAh/g) and energy density (2600 Wh kg −1) [1], [2], [3].Nevertheless, several limitations …
Enhancing Polysulfide Confinement and Electrochemical Kinetics …
The application of lithium–sulfur (Li–S) batteries is severely hampered by the shuttle effect and sluggish redox kinetics. Herein, amorphous cobalt phosphide grown on a reduced graphene oxide-multiwalled carbon nanotube (rGO-CNT-CoP(A)) is designed as the sulfur host to conquer the above bottlenecks. The differences between …
Ni2P/carbon nanotube nanocomposite as host material for high ...
A simple hydrothermal method is used to compound the catalytic Ni 2 P and carbon nanotubes with good conductivity as the host material for the cathode material of the lithium-sulfur battery.. Ni 2 P can not only catalyze the solid-liquid conversion process from S 8 to Li 2 S x, but also catalyze the liquid–solid conversion from Li 2 S x to …
Recent progress and strategies of cathodes toward polysulfides shuttle restriction for lithium-sulfur batteries …
Lithium-sulfur batteries (LSBs) have already developed into one of the most promising new-generation high-energy density electrochemical energy storage systems with outstanding features including high-energy density, low cost, and environmental friendliness. However, the development and commercialization path of …
Cobalt phosphide embedded in a 3D carbon frame as a sulfur …
Catalytic cobalt phosphide Co 2 P/carbon nanotube nanocomposite as host material for high performance lithium-sulfur battery cathode Journal of Alloys and Compounds, Volume 851, 2021, Article 156289 Zhaojiao Shi, …, Linjing Chen
A review on theoretical models for lithium–sulfur …
In this review, we focus on the theoretical models for sulfur cathodes from model fundamentals to model applications (Scheme 1). The principle of theoretical models and the application in mechanistic …
1. Introduction. Nowadays, lithium-ion batteries (LIBs) have been widely developed for industrial and commercial applications. They are used in electric vehicles, aerospace and portable electronic devices [1].However, the traditional LIBs cathode materials have limited capacity, which greatly hinders their further application and it is …
Hollow nickel-cobalt bimetal phosphides as a confined polysulfide ...
Compared to the traditional Li-ion cathode material [1], sulfur is rich in natural resources, in addition to the advantages of low cost and environmentally friendly, it can also be used as an active cathode material. Currently sulfur-based batteries have attracted widespread attention [2], especially lithium-sulfur (Li-S) battery, which has ...
Novel bouquet-like cobalt phosphate as an ultrahigh-rate and durable battery-type cathode material …
Red phosphorus (RP) is beneficial to industrialization due to its rich resources, chemical stability and environmental friendliness. However, the low electronic conductivity and large volume expansion limit its application for energy storage. Herein, we first used RP to prepare a novel bouquet-like Co3(HPO4)2(OH)2 by the hydrothermal …
Amorphization-induced surface electronic states modulation of
The amorphous cobaltous oxide nanosheets as the cathode additives for lithium-sulfur batteries demonstrates the rate capability and cycling stability with an initial capacity of 1248.2 mAh g-1 at ...
Accelerating redox kinetics by ZIF-67 derived amorphous cobalt phosphide electrocatalyst for high-performance lithium-sulfur batteries
INTRODUCTION For the last few years, lithium-sulfur (Li-S) batteries have attracted widespread attention owing to their natural advantages of the high theoretical energy density of 2600 Wh kg-1 and theoretical specific capacity of 1675 mAh g-1, abundant raw material reserves, and environmentally friendly [1-3]..
Surface Chemistry in Cobalt Phosphide-Stabilized Lithium-Sulfur Batteries …
Chemistry at the cathode/electrolyte interface plays an important role for lithium-sulfur batteries in which stable cycling of the sulfur cathode requires confinement of the lithium polysulfide intermediates and their fast electrochemical conversion on the electrode surface. While many materials hav …
MOF-derived nickel‑cobalt bimetallic phosphide CoNiP for the …
Lithium sulfide (Li 2 S) is considered as one of the promising cathode materials for secondary batteries owing to its high lithium storage capacity and low–cost advantage of sulfur. However, the commercial application of Li 2 S is hindered by the sluggish reaction kinetics of electrochemical conversion from Li 2 S to S and the shuttle …
Engineering Strategies for Suppressing the Shuttle Effect in Lithium ...
Lithium–sulfur (Li–S) batteries are supposed to be one of the most potential next-generation batteries owing to their high theoretical capacity and low cost. Nevertheless, the shuttle effect of firm multi-step two-electron reaction between sulfur and lithium in liquid electrolyte makes the capacity much smaller than the theoretical value. …
Cobalt-decorated carbon nanotube bottlebrushes for boosting …
A high areal capacity lithium-sulfur battery cathode prepared by site-selective vapor infiltration of hierarchical carbon nanotube arrays. ... Chen S, Wang L, et al. Implanting nickel and cobalt phosphide into well-defined carbon nanocages: A synergistic adsorption-electrocatalysis separator mediator for durable high-power Li-S batteries ...
Enhancing Polysulfide Confinement and Electrochemical Kinetics …
The application of lithium–sulfur (Li–S) batteries is severely hampered by the shuttle effect and sluggish redox kinetics. Herein, amorphous cobalt phosphide …
Cobalt iron phosphide@graphitic carbon nitride nanosheet (CFP@CN) was synthesized via electrostatic self-assembly. ... Graphene-wrapped sulfur particles as a rechargeable lithium–sulfur battery cathode material with high capacity and cycling stability. Nano Lett., 11 (2011), pp. 2644-2647. CrossRef View in Scopus Google Scholar
NC@CoP–Co3O4 composite as sulfur cathode for high-energy lithium–sulfur ...
Preparation of CoO/SnO 2 @NC/S composite as high-stability cathode material for lithium-sulfur batteries ... He P, Liu W, Wu Z, Wang H (2018) Surface chemistry in cobalt phosphide-stabilized lithium-sulfur batteries. J Am Chem Soc 140:1455–1459. Article CAS Google Scholar Gao H, Yang F, Zheng Y, Zhang Q, Hao J, …
Mechanistic Understanding of Metal Phosphide Host for Sulfur Cathode …
The greatly enhanced performance of CF/FeP@C@S suggests that FeP can well suppress the shuttle effect of LPS and accelerate their transformation during the charge-discharge process, and shed light on the promising design of high energy density Li-S batteries both from theoretical and experimental aspects. For solving the drawbacks of …
N/P Codoped Carbon Nanofibers Coupled with Chrysanthemum-Like Cobalt Phosphide Hybrid for Stable Lithium–Sulfur Batteries
Lithium–sulfur batteries demonstrate enormous energy density and are promising forms of energy storage. Unfortunately, the slow redox kinetics and polysulfide shuttle effect are some of the factors that prevent its development. To address these issues, the combination of nitrogen/phosphorus codoped carbon nanofiber membrane with …
