Lithium-ion batteries (LIBs) with superior energy density, rate capability, and cyclability are critically needed for next-generation portable electronics and electric vehicles. Germanium (Ge) is a promising candidate
Solution-grown germanium (Ge) nanowires were tested as high capacity anodes in lithium ion (Li-ion) batteries. Nanowire films were formulated and cast as slurries with
The formation of high-performance and high-capacity lithium-ion battery anodes from high-density germanium nanowire arrays grown directly from the current collector with excellent rate performance characteristics is reported. Here we report the formation of high-performance and high-capacity lithium-ion battery anodes from high-density germanium nanowire arrays grown
Lithium-ion batteries have been actively researched in recent years due to it being one of the most promising energy storage systems. Herein, we report a novel approach where germanium nanowires (Ge NW) are grown in gold-seeded porous carbon via the solution–liquid–solid mechanism, and the corresponding improvement observed in terms of the
Germanium-based.-Ge is another promising candidate electrode material to obtain high-capacity LIBs, because of its high volumetric capacity second only to Si, and its high gravimetric capacity
Lithium-ion batteries (LIBs) with superior energy density, rate capability, and cyclability are critically needed for next-generation portable electronics and electric vehicles. Dive into the research topics of ''Germanium-Based Electrode Materials for Lithium-Ion Batteries''. Together they form a unique fingerprint. Lithium Ion Battery
Germanium, a promising electrode material for high-capacity lithium ion batteries (LIBs) anodes, attracted much attention because of its large capacity and remarkably fast charge/discharge kinetics. Multivalent-ion batteries are of interest as potential alternatives to LIBs because they have a higher energy density and are less prone to safety hazards. In this study,
Germanium-based materials are arousing increasing interest as anodes for lithium-ion batteries, stemming from the intrinsic physical and chemical advantages of germanium.
Investigated as anode materials for lithium-ion batteries, mesoporous germanium nanoparticles exhibit a high capacity retention, high rate capacity and high energy retention. with a high theoretical capacity based on alloyed lithium and germanium (1384 mA h g−1 Li15Ge4), has stimulated tremendous research as a promising candidate anode
Germanium-based materials are arousing increasing interest as anodes for lithium-ion batteries, stemming from the intrinsic physical and
High-performance germanium nanowire-based lithium-ion battery anodes extending over 1000 cycles through in situ formation of a continuous porous network. Nano Lett. (2014) M. Aghazadeh Meshgi et al. Rapid, low-temperature synthesis of germanium nanowires from oligosilylgermane precursors.
Herein, we have presented recent progress on the development of germanium-based materials for lithium-ion batteries. Table 1 summarized the electrochemical performance of germanium-based materials. The most serious
The anode materials based on conversion or alloying reaction typically show a large specific capacity and suitable working potential in lithium-ion batteries (LIBs). However, the large volume change and relatively low ionic/electronic
Nano germanium incorporated thin graphite nanoplatelets: A novel germanium based lithium-ion battery anode with enhanced electrochemical performance. Electrochim. Acta (2021) Recent progress and future perspective on practical silicon anode-based lithium ion batteries. Energy Storage Materials, Volume 46, 2022, pp. 482-502.
Unique structural design and strategies for germanium-based anode materials toward enhanced lithium storage. Germanium nanotubes prepared by using the kirkendall effect as anodes for high-rate lithium batteries. Angew. Chem. Int. Ed., 50 (2011), pp. 9647-9650.
Advanced energy-storage systems are critically important for meeting the ever-increasing demand for applications from portable electronics to all-electric vehicles, and recently for applications in the grid for storing energy from fluctuating renewable sources, such as wind or solar energy. Lithium-ion batteries (LIBs) have received worldwide attention as a top
In recent decade, special interest is paid to germanium as potential material of negative electrodes in lithium-ion and, the more so, sodium-ion batteries. In the review, studies
Germanium (Ge) is a promising anode material for lithium ion batteries due to its high theoretical capacity. However, its poor cycling stability associated with its large volume changes during discharging and charging processes are urgent problems to solve. This provides opportunities to engineer materials to overcome these issues. Here, we demonstrated a facile
Germanium and germanium-based compounds are widely used in microelectronics, optics, solar cells, and sensors. Recently, germanium and its oxides, nitrides, and phosphides have been studied as active electrode materials in lithium- and sodium-ion battery anodes. Herein, the newly introduced highly soluble germanium oxide (HSGO) was
In comparison to traditional and single metal oxides, multielement metal oxides exhibit enhanced specific capacity, buffer the volume expansion, and facilitate charge transfer or ion diffusion, which are regarded as promising anode materials for lithium-ion batteries (LIBs). Herein, we present a new carbon coating multielement metal oxide calcium titanium germanate
This work delivers a robust electrode design strategy as well as the most practical route for the improvement of germanium-based anodes for application in lithium-ion batteries. Introduction Recently, silicon (Si), germanium (Ge) and tin (Sn) are recognised as high performance lithium-ion battery (LIB) anodes due to their much higher
The development and the characterization of a nanostructured binder-free anode for lithium-ion batteries exploiting the germanium high theoretical specific capacity (1624 mAh g −1 for Li 22 Ge 5 alloy) is herein presented. This anode secures remarkable performances in different working conditions attaining a 95% capacity retention at 1C (i.e., 1624 mA g −1)
In comparison to traditional and single metal oxides, multielement metal oxides exhibit enhanced specific capacity, buffer the volume expansion, and facilitate charge transfer
Lithium-ion batteries have been widely used in portable electronic devices and electric vehicles due to their high energy density, long cycle life, an
Metallic germanium is an ideal anode for lithium-ion batteries (LIBs), owing to its high theoretical capacity (1624 mA h g −1) and low operating voltage.Herein, we highlight recent advances in the development of Ge-based anodes in LIBs, although improvements in their coulombic efficiency (CE), capacity retention, and rate performance are still required.
Solution-grown germanium (Ge) nanowires were tested as high capacity anodes in lithium ion (Li-ion) batteries. Nanowire films were formulated and cast as slurries with conductive carbon (7:1 Ge:C w/w), PVdF binder and 1.0 M LiPF6 dissolved in various solvents as electrolyte. The addition of fluorethylene carbonate (FEC) to the electrolyte was critical to
This paper summarizes the research progress of germanium-based anode material modification in lithium-ion batteries, including its preparation technology means,
The process of lithiation and a comprehensive analysis of the electrochemical performance of anodes based on germanium have not received sufficient attention or thorough exploration. This review provides a complete and up-to-date examination of the recent developments in germanium-based anodes utilized in lithium-ion batteries.
High-Performance Germanium Nanowire-Based Lithium-Ion Battery Anodes Extending over 1000 Cycles Through in Situ Formation of a Continuous Porous Network. January 2014; Nano Letters 14(2)
However, the low specific theoretical capacity of graphite limits the energy density of the commercial LIBs . Germanium, as a lithium alloying material, is a possible alternative
Request PDF | On Dec 1, 2024, Siguang Feng and others published Germanium based glass modified by graphene as anode material with high capacity for lithium-ion batteries | Find, read and cite all
Lithium-ion batteries using germanium as the anode material are attracting attention because of their high-capacity, higher conductivity, and lithium-ion diffusivity relative to silicon. Despite recent studies on Ge electrode reactions, there is still limited understanding of the reaction mechanisms governing crystalline Ge and the transformations into intermediate
The high-energy lithium ion battery is an ideal power source for electric vehicles and grid-scale energy storage applications. Germanium is a promising anode material for lithium ion batteries due to its high specific capacity, but still suffers from poor cyclability. sulfur, phosphorus) for the preparation of graphene-based composites for
Solution-grown germanium (Ge) nanowires were tested as high capacity anodes in lithium ion (Li-ion) batteries. Nanowire films were formulated and cast as slurries with conductive carbon (7:1 Ge:C w/w), PVdF binder and
Metallic germanium is an ideal anode for lithium-ion batteries (LIBs), owing to its high theoretical capacity (1624 mA h g(-1) ) and low operating voltage.
Since the commercialization of lithium-ion batteries (LIBs) in the early 1990s, tin (Sn), antimony (Sb), and germanium (Ge)-based anodes have attracted considerable research interest as promising candidates for next-generation LIBs due to their high theoretical capacities, suitable operating voltages, and natural abundance.
First-principles calculations forecast that germanium incorporated graphite has potential to be used as high performance negative electrode for lithium-ion batteries due to
High-performance germanium nanowire-based lithium-ion battery anodes extending over 1000 cycles through in situ formation of a continuous porous network. Nano Lett., 14 (2) (2014), pp. 716-723, 10.1021/nl403979s. View in Scopus Google Scholar
Novel phenomena are uncovered in germanium-based electrode materials by using this technique. Abstract. Lithium-ion batteries (LIBs) with superior energy density, rate capability, and cyclability are critically needed for next-generation portable electronics and electric vehicles. Germanium (Ge) is a promising candidate material for the high
This Focus Review highlights recent advances in the development of Ge-based anodes in LIBs, although improvements in their coulombic efficiency, capacity retention, and rate performance are still required. Metallic germanium is an ideal anode for lithium-ion batteries (LIBs), owing to its high theoretical capacity (1624 mA h g(-1) ) and low operating voltage.
Here we report the formation of high-performance and high-capacity lithium-ion battery anodes from high-density germanium nanowire arrays grown directly from the current collector. The anodes retain capacities of ∼900
Here we report the formation of high-performance and high-capacity lithium-ion battery anodes from high-density germanium nanowire arrays grown directly from the current collector. The anodes retain capacities of ∼ 900 mAh/g after 1100 cycles with excellent rate performance characteristics, even at
Germanium-based materials with extremely high theoretical energy capacities have gained a lot of attention recently as potential anodes for lithium ion batteries.
The germanium oxides as raw material for the manufacturing of negative electrodes of lithium-ion and sodium-ion batteries are likely to take leading positions because they simplify technology of the electrodes' production and reduce their price significantly.
The annual world output of germanium does not exceed 130 t. In spite of the basic limitations, studies of the germanium applying in lithium-ion and sodium-ion batteries are continued on a large scale, which is confirmed, in particular, by the recent publishing of review-articles [25, 26, 37 – 47].
Generally, this corresponds to the phase equilibrium diagrams [2, 3]. Germanium was first mentioned as a negative-electrode material in a traditional low-temperature lithium-ion battery in 2004 and 2008 [4 – 8]. In the quoted papers, the above-given composition of the lithium–germanium intermetallic compounds was largely confirmed.
The preparation of germanium materials into nanoparticles, , nanowires, , nanotubes, , or nanofilms structures can significantly increase their specific surface area and lithium ion diffusion rate, thus improving the electrochemical performance of the battery.
Hu, J., Ouyang, C., Yang, S.A., and Yang, H.Y., Germagraphene as a promising anode material for lithium-ion batteries predicted from first-principles calculations, Nanoscale Horiz., 2019, vol. 4, p. 457.
Contact us for competitive quotes on any of our energy monitoring and control products
Get a Quote