Graphite and related carbonaceous materials can reversibly intercalate metal atoms to store electrochemical energy in batteries. 29, 64, 99-101 Graphite, the main negative electrode material for LIBs, naturally is considered to be the most suitable negative-electrode material for SIBs and PIBs, but it is significantly different in graphite negative-electrode materials between SIBs and …
This study examines the electrochemical characteristics of needle coke produced from petroleum residues as an anode material for lithium-ion rechargeable batteries. The needle coke is a special grade of petroleum coke produced in delayed coking operations.
In this study, needle coke and pitch are used to characterize the reassembled particles of a negative electrode material of a lithium secondary battery, depending on the size of the filler. Figure 1 shows a schematic diagram of the experimental process. Flowchart of the process of the blocked anode materials
4. Conclusions Some cokes, e.g. needle coke (1900) and metal- lurgical coke (1900), can be used as the anode of lithium ion batteries. Graphitized coke (treated at more than 2800) can give a much better cell performance if the passive film is improved properly.
An investigation has been made of the electrochemical characteristics of high-purity petroleum coke (sulfur refined to 0.1 wt.% by the MCL process) as anode materials for lithium-ion batteries. Increase in heat treatment temperature improves the crystallization of the carbon in the coke.
The needle coke is a special grade of petroleum coke produced in delayed coking operations. Since the good quality of needle coke in terms of its structure is a main factor in enhancing the electrochemical performance, the growing method is important.
Needle coke (1900 °C) and metallurgical coke (1900 °C) in particular give a capacity of over 200 mAh/g and a cyclic efficiency of nearly 100%, whereas poor performance is exhibited by those pretreated at higher or lower temperatures, e.g., petroleum cokes (500 °C, 2800 °C), pitch coke (500 °C) and needle coke (2800 °C).
Graphite and related carbonaceous materials can reversibly intercalate metal atoms to store electrochemical energy in batteries. 29, 64, 99-101 Graphite, the main negative electrode material for LIBs, naturally is considered to be the most suitable negative-electrode material for SIBs and PIBs, but it is significantly different in graphite negative-electrode materials between SIBs and …
Sony commercialized the lithium-ion battery anode material as petroleum coke material. The high-quality petroleum coke represented by needle-shaped petroleum coke has a series of advantages, such as low thermal expansion coefficient, low void, low sulfur, low ash content, low metal content, high conductivity, and easy graphitization, etc., so it is regarded as a high …
Needle coke (1900 °C) and metallurgical coke (1900 °C) in particular give a capacity of over 200 mAh/g and a cyclic efficiency of nearly 100%, whereas poor performance is exhibited by those...
NF 3 plasma treatments were used to improve the electrochemical properties of needle coke-based lithium-ion battery (LIB) anode materials. The effects of the NF 3 plasma treatments on the chemical, structural, and morphological properties of the needle cokes were …
As the most promising next-generation lithium-ion battery anode materials, porous silicon-based materials are attracting great attention nowadays, mainly because of silicon''s exceptionally high ...
The present invention relates to coking coal manufacture fields, disclose coal needle coke and preparation method thereof, lithium ion battery negative material and lithium ion battery.The method for producing coal needle coke, comprising: (1) coking coal powder and carbonaceous mesophase spherules are subjected to mixture, obtain raw material；(2) raw material is mixed …
In this study, needle coke and pitch are used to characterize the reassembled particles of a negative electrode material of a lithium secondary battery, depending on the size of the filler. Figure 1 shows a schematic diagram of the experimental process.
Needle coke is widely used as precursor of some carbon material, such as graphite electrodes or negative material for lithium-ion battery of new energy vehicle. Coal tar pitch (CTP)...
Needle coke is widely used as precursor of some carbon material, such as graphite electrodes or negative material for lithium-ion battery of new energy vehicle. Coal tar …
Needle coke (1900 °C) and metallurgical coke (1900 °C) in particular give a capacity of over 200 mAh/g and a cyclic efficiency of nearly 100%, whereas poor performance is exhibited by those pretreated at higher or lower temperatures, e.g., petroleum cokes (500 °C, 2800 °C), pitch coke (500 °C) and needle coke (2800 °C).
In recent times, there has been a significant demand for supercapacitors in energy storage applications due to their rapid charging–discharging capabilities, high power density, and excellent stability. Nevertheless, the synthesis of electrode materials with a substantial surface area, exceptionally high porosity, and superior electrochemical …
A scaly shape of the negative electrode material can easily cause an arrangement in parallel with the current collector in the loading and pressing procedures. This arrangement increases the length of the lithium-ion transport path during the charge and discharge process, thus decreasing the rate performance [ 31 ].
In this study, needle coke and pitch are used to characterize the reassembled particles of a negative electrode material of a lithium secondary battery, depending on the size …
A lithium-ion battery fabricated using four kinds of needle cokes exhibits a maximum high energy density of 1357mAhg-1. Systematic characterization analysis …
NF 3 plasma treatments were used to improve the electrochemical properties of needle coke-based lithium-ion battery (LIB) anode materials. The effects of the NF 3 plasma treatments on the chemical, structural, and morphological properties of the needle cokes were evaluated with various analyses, and simultaneous heteroatom doping coupled with ...
Needle coke-based lithium-ion batteries with oxygen introduced through ozone treatment showed capacity increases of up to 17.4% and retention rates of 64.25% at 5 C. …
Needle coke-based artificial graphite. Products are manufactured by the Chinese joint venture company Wuhai Baojie New Energy Materials Co., Ltd. Our strengths lie in quality stability and price competitiveness through integrated …
Needle coke (1900 °C) and metallurgical coke (1900 °C) in particular give a capacity of over 200 mAh/g and a cyclic efficiency of nearly 100%, whereas poor performance is exhibited by those...
Non-aqueous rechargeable batteries, which use negative electrodes made from lithium containing materials than can be electrochemically intercalated and non-intercalated reversibly with lithium, are still under development in order to enhance cycle-life under deep discharge and to reduce the high reactivity of lithium metal. Therefore ...
Needle coke-based lithium-ion batteries with oxygen introduced through ozone treatment showed capacity increases of up to 17.4% and retention rates of 64.25% at 5 C. Therefore, introducing oxygen functional groups into needle cokes through ozonation is a viable strategy for producing rapid and high-capacity anode materials.
The negative electrode material is the carrier of lithium ions and electrons during the charging process of lithium batteries. It plays the role of energy storage and release. It is an important part of lithium batteries and one …
Preparation of Coating Artificial Graphite with Sodium Alginate as Negative Electrode Material for Lithium-ion Battery Study and Its Lithium Storage Properties . January 2022; Materials Advances 3 ...
carbon materials as negative electrode for lithium-ion batteries. But with the sharp rise in the price of non-renewable fossil raw materials (such as petroleum coke and needle coke), seeking low-cost, non-polluting carbon materials has become a trend.[3-5] Biomass wastes have a wide range of sources with a low cost. Using them as raw materials to
Needle coke (1900 °C) and metallurgical coke (1900 °C) in particular give a capacity of over 200 mAh/g and a cyclic efficiency of nearly 100%, whereas poor performance …
A lithium-ion battery fabricated using four kinds of needle cokes exhibits a maximum high energy density of 1357mAhg-1. Systematic characterization analysis demonstrates that unique ...
The invention discloses a method for preparing a lithium battery negative plate by utilizing needle coke electrode scraps, which comprises the steps of raw material pretreatment,...
Non-aqueous rechargeable batteries, which use negative electrodes made from lithium containing materials than can be electrochemically intercalated and non-intercalated …
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