Black phosphorus obtained from white phosphorus at 4 GPa and 400 °C exhibited the highest first discharge and charge capacities of 2,505 and 1,354 mAh g-1.Black phosphorus obtained from red phosphorus at 4.5 GPa and 800 °C exhibited the highest first discharge and charge capacities of 2,649 and 1,425 mAh g-1.. 570 Westwood Plaza Researchers led by Ji at USTC and Xiangfeng Duan at the University of California, Los Angeles, made their new anode material by combining graphite with black phosphorus. During operation, these ions move back and forth between the anode and cathode through an electrolyte as part of the battery’s charge-discharge cycle. Physics World represents a key part of IOP Publishing's mission to communicate world-class research and innovation to the widest possible audience. The black phosphorus composite material connected by carbon-phosphorus covalent bonds has a more stable structure and a higher lithium ion storage capacity. Lithium ions are the workhorse in many common battery applications, including electric vehicles. To accomplish this, the team began binding black phosphorus with aluminum cations (Al 3+) ... Research touts lower-cost, longer-life battery. By way of comparison, the Tesla Model S can travel 400 miles on one charge. The anode in most lithium-ion batteries is made of graphite. They found that their test devices had reversible capacities of 910 mA.hour/g, 790 mA.hour/g  and 440 mA.hour/g after more than 2000 cycles at 2.6 A/g, 5.2 A/g and 13 A/g, respectively. “For example, anode materials with high lithium storage capacity, such as silicon, are usually reported as having low lithium-ion conductivity, which hinders fast battery [charging]. New black phosphorus anode material. A new electrode material could make it possible to construct lithium-ion batteries with a high charging rate and storage capacity. The new research was published in the Journal Science. “For example, anode materials with high lithium storage capacity, such as silicon, are usually reported as having low lithium-ion conductivity, which hinders fast battery [charging]. This 2D layered material had been considered before as a candidate for anodes, but tests showed that its electrochemical performance was far below its theoretical potential. Engineered electrode material moves battery development closer to fast charging by University of Science and Technology of China The black phosphorous composite â ¦ Black phosphorus, which is a relatively rare allotrope of phosphorus, was first discovered by Bridgman in 1914. To overcome the continued formation and build-up of an ionically less conductive solid-electrolyte interphase, the team applied a thin polyaniline gel coating to the electrode materials – a strategy that also reinforced the transport path for lithium ions. The Mechanism of Lithium/Sodium Storage. This paper reviews the recent progress on electronic and optoelectronic devices based on 2D black phosphorus (BP). (Image by DONG Yihan, SHI Qianhui and LIANG Yan) Lithium ions are the workhorse in many common battery applications, including electric vehicles. “A typical trade-off lies in the storage capacity and rate capability of the electrode material,” co-team leader Hengxing Ji tells Physics World. Publishing fundamental and applied research of the highest quality covering all aspects of graphene and related two-dimensional materials. Black phosphorus (BP) has received wide attention due to its high theoretical capacity (2596 mAh g −1) and good electron mobility, but its cyclic stability is poor.Meanwhile, it can be complementary to carbon material, which has low theoretical capacity but good cycle stability. This 2D layered material had been considered before as a candidate for anodes, but tests showed that its electrochemical performance was far below its theoretical potential. By combining black phosphorous with graphite, Ji, Duan and colleagues showed that the chemical bonds between the two materials stabilize the edge structure and prevent unwanted edge changes. This article was originally published by Physics World. Many phosphorus-carbon composite anodes like red phosphorus-carbon black , , red phosphorus-graphite , red phosphorus-carbon nanotube , red phosphorus-graphene , black phosphorus-carbon black , black phosphorus-ketjenblack , black phosphorus-graphite , are synthesized through high energy ball milling (Fig. Black phosphorus (BP), an allotrope of phosphorus with orthorhombic structure has recently emerged, after having been known for over 100 years, as one of the next generation 2D materials with layered structure. BP and RP can construct a new single elemental heterostructure. “If scalable production can be achieved, this material may provide an alternative, updated graphite anode, and move us toward a lithium-ion battery with an energy density of higher than 350 watts-hour per kilogram,” says Sen Xin, a researcher at the Institute of Chemistry, Chinese Academy of Sciences, and one of the study’s co-first authors.This figure, he adds, means that an electric vehicle equipped with such a battery could travel 600 miles on a single charge – making it competitive with conventional combustion-engine vehicles. Ball milling method is simple and productive, and can control the ratio of … The anode in most lithium-ion batteries is made of graphite. 24a). Recommended for you. The formation of covalent bonds with graphitic carbon restrains edge reconstruction in layered BP particles to ensure open edges for fast Li+entry; the coating Since the advent of two-dimensional (2D) black phosphorus (which is known as phosphorene due to its resembling graphene sheets) in early 2014, research interest in the arena of black phosphorus was reignited in the scientific and technological communities. Two-dimensional black phosphorus (2D BP) possesses huge potential in electrochemical energy storage field owing to its unique electronic structure, high charge carrier mobility, and large interlayer spacing. By combining black phosphorous with graphite, Ji, Duan and colleagues showed that the chemical bonds between the two materials stabilize the edge structure and prevent unwanted edge changes. 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In‐depth understanding of the redox reactions between BP and the alkali metal ions is key to reveal the potential and limitations of BP, and thus to guide the design of BP‐based composites for high‐performance alkali metal ion batteries. A battery’s performance thus depends largely on the materials used in the electrodes and electrolyte, which need to be able to store and transfer many lithium ions in a short period – all while remaining electrochemically stable – so they can be recharged hundreds of times. If scaled up, the anode material developed by researchers at the University of Science and Technology of China (USTC) and colleagues in the US might be used to manufacture batteries with an energy density of more than 350 watt-hours per kilogram – enough for a typical electric vehicle (EV) to travel 600 miles on a single charge. If you'd like to change your details at any time, please visit My account. Formation of Stable Phosphorus−Carbon Bond for Enhanced Performance in Black Phosphorus Nanoparticle−Graphite Composite Battery Anodes Jie Sun,†,# Guangyuan Zheng,‡ Hyun-Wook Lee,† Nian Liu,§ Haotian Wang,∥ Hongbin Yao,† Wensheng Yang,*,# and Yi Cui*,†,⊥ †Department of Materials Science and Engineering, ‡Department of Chemical Engineering, §Department of Chemistry, and This kind of structure with an excellent interfacial contact between BP and RP would be beneficial to electron Compared with red and white allotropes of phosphorus‚ black phosphorus is a more thermodynamically stable semiconductor material. Maximizing the performance of all these materials at the same time is a longstanding goal of battery research, yet in practice, improvements in one usually comes at the expense of the others. They found that their test devices had reversible capacities of 910 mA.hour/g, 790 mA.hour/g and 440 mA.hour/g after more than 2000 cycles at 2.6 A/g, 5.2 A/g and 13 A/g, respectively. One reason for the shortfall is that the material’s structure deforms during battery operation. Tel: (310) 267-4838 This 2D layered material had been considered before as a candidate for anodes, but tests showed that its electrochemical … It was first synthesized by heating white phosphorus under high pressures (12,000 atmospheres) in 1914. One reason for the shortfall is that the material’s structure deforms during battery operation. As a result, the increase in battery capacity usually leads to a long charging time, which represents a critical roadblock for more widespread adoption of EVs.”. The researchers tested the charging-cycle performance of their new electrode material by preparing sample electrodes using a method that is compatible with industrial fabrication processes. “A typical trade-off lies in the storage capacity and rate capability of the electrode material,” co-team leader Hengxing Ji tells Physics World. “If scalable production can be achieved, this material may provide an alternative, updated graphite anode, and move us toward a lithium-ion battery with an energy density of higher than 350 watts-hour per kilogram,” says Sen Xin, a researcher at the Institute of Chemistry, Chinese Academy of Sciences, and one of the study’s co-first authors.This figure, he adds, means that an electric vehicle equipped with such a battery could travel 600 miles on a single charge – making it competitive with conventional combustion-engine vehicles. A Black Phosphorus-Graphite Composite Anode for Li-/Na-/K-Ion Batteries Black phosphorus (BP) is a desirable anode material for alkali metal ion storage owing to its high electronic/ionic conductivity and theoretical capacity. Black phosphorus (black P), which is a promising candidate as an anode material for lithium-ion batteries, was synthesized by a high-pressure and high-temperature (HPHT) method from white and red phosphorus. Lithium ions are the workhorse in many common battery applications, including electric vehicles. During operation, these ions move back and forth between the anode and cathode through an electrolyte as part of the battery’s charge-discharge cycle. 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