a graphite intercalation composite as the anode for the

Hard

2021/4/6article{osti_1362157, title = {Hard-Soft Composite Carbon as a Long-Cycling and High-Rate Anode for Potassium-Ion Batteries}, author = {Jian, Zelang and Hwang, Sooyeon and Li, Zhifei and Hernandez, Alexandre S. and Wang, Xingfeng and Xing, Zhenyu and Su, Dong and Ji, Xiulei}, abstractNote = {There exist tremendous needs for sustainable storage solutions for intermittent

Blocking the Intercalation of Cyclic Poly(ethylene oxide)s

In summary, the study assessed the role of poly (ethylene oxide) (PEO) topology in the melt intercalation in graphite oxide- based materials. Their results suggested that it is possible to restrict the intercalation of cyclic PEO into partially pillared graphite oxide, whilst allowing the linear analogue to diffuse through the graphite oxide interlayer space.

advanced anode material for Na/K

1 Electronic Supplementary Information Staging Na/K-ion de-/intercalation of graphite retrieved from spent Li-ion batteries: in operando X-ray diffraction studies and advanced anode material for Na/K-ion batteries Hao-Jie Liang,a Bao-Hua Hou,a Wen-Hao Li,b Qiu-Li Ning,a Xu Yang,a Zhen-Yi Gu,b Xue

Ferric chloride‐Graphite Intercalation Compounds as

Ferric chloride‐Graphite Intercalation Compounds as Anode Materials for Li‐ion Batteries Ferric chloride‐Graphite Intercalation Compounds as Anode Materials for Li‐ion Batteries Wang, Lili; Zhu, Yongchun; Guo, Cong; Zhu, Xiaobo; Liang, Jianwen; Qian, Yitai 2014-01-01 00:00:00 In recent years, increasing global research interest has arisen in developing Li‐ion batteries (LIBs) with

New halogen conversion

2019/5/10A team of researchers led by a group from the University of Maryland has developed a halogen conversion–intercalation chemistry in graphite that produces composite electrodes with a capacity of 243 mAh g-1 (for the total weight of the electrode) at an average potential of

Surface modifications for carbon lithium intercalation

- Highlights: • Prelithiated graphite anodes are coupled with sulfur composite cathodes to form a Li–S full cell in superconcentrated LiTFSI-DME/DO electrolyte. • The introduced superconcentrated ether-based electrolyte permits reversible lithium intercalation and de-intercalation at a graphite electrode.

Electrochemical performance of Al–Si–graphite composite as anode

Institute for Materials Research, State University of New York at Binghamton, Binghamton, NY 13902-6000, USA a r t i c l e i n f o a b s t r a c t Al–Si–graphite composite with low 7.9 wt.% Si was synthesized by ball-milling eutectic Al–Si powder and graphite.

Facile and Green Preparation for the Formation of MoO Composites as Anode

lithium-ion intercalation and de-intercalation. The ultrafine MoO 2 nanoparticles dispersed on the GO are beneficial to the improved electrochemical performance of the composites, which makes them a promising anode candidate for lithium-ion batteries. With the

Graphite as anode materials: Fundamental mechanism,

2021/4/1Graphite is a perfect anode and has dominated the anode materials since the birth of lithium ion batteries, benefiting from its incomparable balance of relatively low cost, abundance, high energy density, power density, and very long cycle life. Recent research

Blocking the Intercalation of Cyclic Poly(ethylene oxide)s

In summary, the study assessed the role of poly (ethylene oxide) (PEO) topology in the melt intercalation in graphite oxide- based materials. Their results suggested that it is possible to restrict the intercalation of cyclic PEO into partially pillared graphite oxide, whilst allowing the linear analogue to diffuse through the graphite oxide interlayer space.

Designing a hybrid electrode toward high energy density with a staged Li+ and PF6− deintercalation/intercalation

of the graphite for anion intercalation at high voltage (4.0 V). As a result, this hybrid LFP/graphite-20% electrode displays an excellent lifespan over 3,500 cycles at 10 C, which is superior to the pure LFP and graphite electrode. Furthermore, the full cell

Synthesis of LTO Nanorods with AC/Nano

Graphite is the material that is commonly used as an anode for a lithium-ion battery. However, a lithium dendrite structure is formed on the surface of the graphite anode because of short circuits after long-term charge–discharge (CD), especially when the battery is

A Graphite Intercalation Composite as the Anode for the

Nowadays, alkali metal-oxygen batteries such as Li-, Na-, and K-O2 batteries have been investigated extensively because of their ultrahigh energy density. However, the oxygen crossover of oxygen batteries and the intrinsic drawbacks of the metal anodes (i.e., large volume changes and dendrite issues) have still been unsolved key problems. Here, we demonstrate a novel design of the K-ion oxygen

Ferric chloride‐Graphite Intercalation Compounds as

Ferric chloride‐graphite intercalation compounds (FeCl 3 –GICs) with stage 1 and stage 2 structures were synthesized by reacting FeCl 3 and expanded graphite (EG) in air in a stainless‐steel autoclave. As rechargeable Li‐ion batteries, these FeCl 3 –GICs exhibit high capacity, excellent cycling stability, and superior rate capability, which could be attributed to their unique

Effect of Particle Size on Lithium Intercalation

Abstract: Artificial graphite samples with different particle size ranging from 13 to 80 μm were prepared by sieving method. The lithium intercalation performances of these samples were investigated. The results showed that the particle size had distinct effect on

Anodic Behavior and Anode Performance of Nickel, Nickel

graphite intercalation compounds (GICs) having stage numbers higher than three were detected on the surface of carbon electrode after pre-electrolysis at 2.3V and then 4V, and the presence of the GIC layer suppressed the occurrence of the anode effect during3

High performance Si/MgO/graphite composite as the

Abstract The Si/MgO/graphite composite was synthesized by high energy ball-milling and evaluated as a durable anode for lithium-ion batteries. EDX mapping indicated that Si was dispersed homogeneously in the MgO matrix. The composite delivered an initial

Figure 3 from TiP2O7 and Expanded Graphite

This paper reports a facile sol-gel synthesis method to successfully prepare the TiP2O7/expanded graphite (EG) nanocomposite as an advanced anode material for aqueous lithium-ion batteries. The constructed TiP2O7 nanocomposites (50-100 nm) are in situ encapsulated in the pore and layer structure of expanded graphite with good conductivity and high specific surface area.

Nanomaterials

Graphite powder was chosen to synthesize a highly ordered potassium graphite intercalation compound (K-GIC), with the overall procedure illustrated in Figure 1a. Graphite powder (1 g, 0.083 M) and potassium metal (0.407 g, 0.0104 M) was added to the Pyrex tubes and evacuated for 30 min, then sealed and kept at 110 C for 1 h in a glove box.

Facile spray

As an anode material, the asobtained Si/C composite demonstrates high capacity and excellent cycle stability. An initial specific discharge capacity of approximately 723.8 mAh g1 and a reversible specific capacity of approximately 600 mAh g1 after 100 cycles at a constant density of 100 mA g1 are reached, about two times the values for graphite.

Ferric chloride

Ferric chloride-graphite intercalation compounds (FeCl-GICs) with stage 1 and stage 2 structures were synthesized by reacting FeCl and expanded graphite (EG) in air in a stainless-steel autoclave. As rechargeable Li-ion batteries, these FeCl-GICs exhibit high capacity, excellent cycling stability, and superior rate capability, which could be attributed to their unique intercalation features

A novel maleic acid/graphite composite anode for

The composite electrode is still able to deliver 989.1 mAh g −1 capacity after 1000 cycles at 400 mA g −1 current density, manifesting excellent cycling stability. Mechanisms for the high electrochemical performances of the maleic acid/graphite composite anode are discussed.

Novel SiCNW

Over the past years, the extensive use of graphite as an anode material in a Li-ion battery (LIB) led to its commercialization and use as the standard anode material in a LIB. The use of graphite as an anode material in LIBs at present, remains a cause of concern primarily when used in large scale applications like in that of automotive and grid applications owing to its limited power density

Preparation and Electrochemical Properties of

The SiPI-C/Graphite also presents excellent discharge specific capacity of 702.8mAh/g with the capacity retention rate of 76.9% after 30 cycles. Mechanisms for high electrochemical performances of the SiC/Graphite composite anode are discussed. It

Graphite Anode Materials: Natural Artificial Graphite

Graphite Anode Materials are used in a broad range of Lithium-ion battery manufacturing settings, from research laboratories to commercial production plants. Targray's portfolio of high-performance graphite anodes are optimized for use in a variety of applications, including small format consumer electronics and large format lithium-ion batteries for the EV market.

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