Germanane (GeHn): A layered-Ge based material used as anode for Li-, Na- and K-ion batteries delivers excellent capacities with enhanced retention. The layered structure buffers the volume changes and shortens the …
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.
Negative electrodes of modern lithium-ion and sodium–ion batteries are based on the using of carbonaceous materials that, in spite of their attractiveness have restricted specific capacity with respect to lithium and sodium reversible insertion.
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.
At the same time, germanium has much higher electronic conductivity than silicon, and this allows using germanium at elevated power. An important drawback of germanium as active material of the negative electrodes is the significant change of its specific volume upon the lithium or sodium insertion thereto.
Authors to whom correspondence should be addressed. 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.
Germanane (GeHn): A layered-Ge based material used as anode for Li-, Na- and K-ion batteries delivers excellent capacities with enhanced retention. The layered structure buffers the volume changes and shortens the …
In the overwhelming majority of modern lithium-ion batteries, the negative electrodes (anodes) are made of carbon (graphitic) materials. Such materials have the ability to reversibly insert lithium and provide acceptable …
Novel phenomena are uncovered in germanium-based electrode materials by using this technique. Lithium-ion batteries (LIBs) with superior energy density, rate capability, and cyclability are critically needed for …
Germanium-based materials with extremely high theoretical energy capacities have gained a lot of attention recently as potential anodes for lithium ion batteries. These materials can also offer improved Li insertion/extraction kinetics and cycling performance, providing a promising candidate of anode to meet the increasing demand for batteries ...
The first rechargeable lithium battery was designed by Whittingham (Exxon) and consisted of a lithium-metal anode, a titanium disulphide (TiS 2) cathode (used to store Li-ions), and an electrolyte …
Among high-capacity materials for the negative electrode of a lithium-ion battery, Sn stands out due to a high theoretical specific capacity of 994 mA h/g and the presence of a low-potential ...
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 …
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 …
First-principles calculations forecast that germanium incorporated graphite has potential to be used as high performance negative electrode for lithium-ion batteries due to large mobility of electrons at the heterointerface. Inspired by this first-principles calculations, a novel functional structure of thin graphite nanoplatelets ...
The electrochemical equilibrium and impedance data suggest that evaporated germanium is a promising candidate as a lithium-ion negative electrode thin-film material. The in situ XRD results show that both types of germanium crystallize into cubic at full lithiation.
Download Citation | Study of silicon (and germanium) thin films as negative electrode for lithium-ion (micro)battery | Silicon which has a theoretical capacity of 3579 mAh.g-1 and low insertion ...
Germanane (GeHn): A layered-Ge based material used as anode for Li-, Na- and K-ion batteries delivers excellent capacities with enhanced retention. The layered structure buffers the volume changes and shortens the ion diffusion paths.
In this work, we summarized our studies in the electrodeposited germanium nanowires in respect of their application in negative electrodes of lithium-ion and sodium-ion batteries [3–10].
Germanium-based materials with extremely high theoretical energy capacities have gained a lot of attention recently as potential anodes for lithium ion batteries. These …
A typical contemporary LIB cell consists of a cathode made from a lithium-intercalated layered oxide (e.g., LiCoO 2, LiMn 2 O 4, LiFePO 4, or LiNi x Mn y Co 1−x O 2) and mostly graphite anode with an organic electrolyte (e.g., LiPF 6, LiBF 4 or LiClO 4 in an organic solvent). Lithium ions move spontaneously through the electrolyte from the negative to the …
First-principles calculations forecast that germanium incorporated graphite has potential to be used as high performance negative electrode for lithium-ion batteries due to …
In this work, we summarized our studies in the electrodeposited germanium nanowires in respect of their application in negative electrodes of lithium-ion and sodium-ion batteries [3–10].
In the overwhelming majority of modern lithium-ion batteries, the negative electrodes (anodes) are made of carbon (graphitic) materials. Such materials have the ability to reversibly insert lithium and provide acceptable battery cycling, but their specific capacity being as low as 370 mAh/g leaves much to be desired. The materials ...
NiCo 2 O 4 has been successfully used as the negative electrode of a 3 V lithium-ion battery. It should be noted that the potential applicability of this anode material in commercial lithium-ion batteries requires a careful selection of the cathode material with sufficiently high voltage, e.g. by using 5 V cathodes LiNi 0.5 Mn 1.5 O 4 as ...
Germanium is a promising negative electrode candidate for lithium-ion thin-film batteries because of its very high theoretical storage capacity. When assuming full conversion of the material into the room-temperature equilibrium lithium saturated germanium phase Li 22 Ge 5, a theoretical capacity of 1625 mAh g -1 or 8643 mAh cm -3 of germanium starting material is …
Illustrates the voltage (V) versus capacity (A h kg-1) for current and potential future positive- and negative-electrode materials in rechargeable lithium-assembled cells. The graph displays output voltage values for both Li-ion and lithium metal cells. Notably, a significant capacity disparity exists between lithium metal and other negative ...
Electrospinning has attracted tremendous attention in the design and preparation of 1D nanostructured electrode materials for lithium-ion batteries (LIBs) and sodium-ion batteries (NIBs), due to the versatility and facility. In this review, we present a comprehensive summary of the development of electrospun electrode nanomaterials for LIBs and NIBs, and a brief …
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 ...
Germanium, a promising electrode material for high-capacity lithium ion batteries (LIBs) anodes, attracted much attention because of its large capacity and remarkably …
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 of lithium and sodium reversible insertion to different germanium–metal nanostructures as well as germanium-alloy-, germanium–compound-, and germanium–composite ...
Novel phenomena are uncovered in germanium-based electrode materials by using this technique. Lithium-ion batteries (LIBs) with superior energy density, rate capability, and cyclability are critically needed for next-generation portable electronics and electric vehicles.
China is at the forefront of the global solar energy market, offering some of the highest quality solar panels available today. With cutting-edge technology, superior craftsmanship, and competitive pricing, Chinese solar panels provide exceptional efficiency, long-lasting performance, and reliability for residential, commercial, and industrial applications. Whether you're looking to reduce energy costs or contribute to a sustainable future, China's solar panels offer an eco-friendly solution that delivers both power and savings.