In this study, a wide-temperature operating LIB system is constructed utilizing carbon nanotube (CNT)-based electrodes and a "constructive alliance" electrolyte. The unique microstructure of the CNT current collector, with high electrical and thermal conductivity, accelerates the reaction kinetics of active materials at subzero temperatures and ...
As the main negative electrode material for commercial LIBs, graphite has a limited theoretical specific capacity of 372 mAh/g, which is no longer sufficient to meet the demands for high specific capacity batteries [ 4, 5 ].
Zhang, J.; Nie, N.; Liu, Y.; Wang, J.; Yu, F.; Gu, J.; Li, W. Boron and nitrogen codoped carbon layers of LiFePO 4 improve the high-rate electrochemical performance for lithium ion batteries.
Provided by the Springer Nature SharedIt content-sharing initiative Silicon-carbon materials have broad development prospects as negative electrode materials for lithium-ion batteries. In this paper, polyvinyl butyral (PVB)
Negative electrode materials with high thermal stability are a key strategy for enhancing the safety of lithium-ion batteries for electric vehicles without requiring built-in safety devices. (Cite this: ACS Appl. Mater. Interfaces 2023, XXXX, XXX, XXX-XXX)
Xu, Y.; Jian, G.; Zachariah, M.R.; Wang, C. Nano-structured carbon-coated CuO hollow spheres as stable and high rate anodes for lithium-ion batteries. J.
Meanwhile, the porous microstructure provides a fast channel for lithium ion transport and shows better properties as anode materials for lithium ion batteries, such as higher capacity, superior rate capability and cycle life, which would provide new ideas for the development of novel carbon anode materials with high performance.
In this study, a wide-temperature operating LIB system is constructed utilizing carbon nanotube (CNT)-based electrodes and a "constructive alliance" electrolyte. The unique microstructure of the CNT current collector, with high electrical and thermal conductivity, accelerates the reaction kinetics of active materials at subzero temperatures and ...
To achieve high-performance batteries, anode subsystems must have a high capacity for ion intercalation/adsorption, high efficiency during charging and discharging operations, minimal reactivity to the electrolyte, …
Negative electrode materials with high thermal stability are a key strategy for improving the safety of lithium-ion batteries for electric vehicles without requiring built-in safety devices.
To achieve high-performance batteries, anode subsystems must have a high capacity for ion intercalation/adsorption, high efficiency during charging and discharging operations, minimal reactivity to the electrolyte, excellent cyclability, and non-toxic operation.
Secondary non-aqueous magnesium-based batteries are a promising candidate for post-lithium-ion battery technologies. However, the uneven Mg plating behavior at the negative electrode leads to high ...
In this study, a wide-temperature operating LIB system is constructed utilizing carbon nanotube (CNT)-based electrodes and a "constructive alliance" electrolyte. The unique microstructure of …
Silicon-carbon materials have broad development prospects as negative electrode materials for lithium-ion batteries. In this paper, polyvinyl butyral (PVB)-based carbon-coated silicon (Si/C) composite materials were prepared using PVB-coated Si particles and then high-temperature carbonization methods.
Consequently, the hard carbon with a high content of C–H functional groups exhibited impressive electrochemical performance, including high coulombic efficiency (72% for Li-ion, 86% for Na …
Figure 2 illustrates a schematical diagram of BDC materials for batteries. As can be seen, the internal structure and preparation methods of different BDC materials vary greatly. [116-122] Fully understanding the …
We studied the electrochemical behavior of the following carbonaceous materials: natural graphite from Superior Graphite Inc., surface modified (thin amorphous carbon surface layer) graphite SMG-20 from Hitachi Japan, disordered soft carbon S00-14C3-3 (petroleum coke type) from the same company, and hard carbon synthesized in house by …
In this paper we report on the behavior of some carbonaceous materials as anodes for Li ion batteries in several selected electrolyte solutions and over a wide range of temperatures, from −30°C to 45°C.
According to the different pyrolytic carbonization temperatures, hard carbon materials can be divided into high-temperature pyrolytic carbon between 1000-1400°C and low-temperature pyrolytic carbon between 500-1000°C. According to different carbon sources, it can be divided into resin carbon (such as phenolic resin, epoxy resin, polyfurfuryl ...
A first review of hard carbon materials as negative electrodes for sodium ion batteries is presented, covering not only the electrochemical performance but also the synthetic methods and ...
Silicon is getting much attention as the promising next-generation negative electrode materials for lithium-ion batteries with the advantages of abundance, high theoretical specific capacity and environmentally friendliness. In this work, a series of phosphorus (P)-doped silicon negative electrode materials (P-Si-34, P-Si-60 and P-Si-120) were obtained by a simple …
The cross-linked hybrid structures were later subjected to high-temperature carbonization in the range of 1000°C to 1400°C for 2 h under Ar flow to produce PF-S hard carbon heterostructures. The carbon materials are …
In the search for high-energy density Li-ion batteries, there are two battery components that must be optimized: cathode and anode.
Silicon-carbon materials have broad development prospects as negative electrode materials for lithium-ion batteries. In this paper, polyvinyl butyral (PVB)-based …
Negative electrode materials with high thermal stability are a key strategy for improving the safety of lithium-ion batteries for electric vehicles without requiring built-in safety devices.
According to the different pyrolytic carbonization temperatures, hard carbon materials can be divided into high-temperature pyrolytic carbon between 1000-1400°C and low …
negative electrode materials directly aects the rate perfor - mance of the battery; The structural stability of negative electrode materials (structural collapse, pulverization, vol-ume expansion, etc.) directly determines the cycle stability of the battery [15– 17]. At present, the traditional negative materials are mainly
Although high temperature carbonization of biomass materials under nitrogen or argon atmosphere is a common method for preparation of hard carbon, there are few reports about the effects of different protective atmospheres on propriety of hard carbon. In this article, hornet''s nest (HN) is used to prepare hard carbon under nitrogen and argon. At a suitable …
In this paper we report on the behavior of some carbonaceous materials as anodes for Li ion batteries in several selected electrolyte solutions and over a wide range of …
Lithium-ion batteries based on carbon (negative electrode) and NMC (positive electrode) have been studied after cycling at 85 °C or cycling or storage at 120 °C, in order to examine the influence of very high temperature cycling or storage on battery aging. The batteries exhibit good performances for 85 °C cycling, and a reasonable capacity ...
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