Enhanced lithium ion battery performance of nano/micro-size Si
Up to now, designing special Si with high coulombic efficiency and cycling stability in a bulk electrode remains a significant challenge. In this work, nano/micro-structured Si was successfully synthesized via a simple and scalable process with combination of the modified Metal-assisted chemical etching (MACE) method and ball-milling. The modified MACE method
A high-performance nanoporous Si/Al2O3 foam lithium-ion battery
A high-performance nanoporous Si/Al 2 O 3 foam lithium-ion battery anode fabricated by selective chemical etching of the Al–Si alloy and subsequent thermal oxidation† Gaeun Hwang, a Hyungmin Park, a Taesoo Bok, a Sinho Choi, a Sungjun Lee, a Inchan Hwang, a Nam-Soon Choi, a Kwanyong Seo a and Soojin Park * a
A critical review of silicon nanowire
Fig. 1(b) illustrates the structure of Cu-coated SiNWs. 32 This nanowire electrode was synthesized by CVD on a stainless-steel substrate maintained at 540 °C. After CVD, a copper coating
Enhanced interfacial bonding for boosting the performance of lithium
Lithium-ion batteries (LIBs) are widely regarded as a new generation of "green batteries" due to their high specific energy density, long cycle life, lack of memory effect, and high charge/discharge rate [[1], [2], [3], [4]].As such, they have found extensive applications in portable electronic devices and the electric vehicle industry.
Advanced electrode processing for lithium-ion battery
2 天之前· Lithium-ion battery (LIB) demand and capacity are estimated to grow to more than 2,500 GWh by the end of 2030 (ref. 1).Most of this capacity will be applied to electric vehicles (>142 million
The preparation of V2CTx by facile hydrothermal-assisted etching
The results show that the prepared V2CTx had a higher purity and showed excellent electrochemical properties as an anode of lithium-ion batteries. And V2CTx prepared with different etching system can he obtained with high yield and excellent purity by changing the reactive
Large-Scale Fabrication, 3D Tomography, and Lithium-Ion Battery
Recently, silicon-based lithium-ion battery anodes have shown encouraging results, as they can offer high capacities and long cyclic lifetimes. The applications of this technology are largely impeded by the complicated and expensive approaches in producing Si with desired nanostructures. We report a cost-efficient method to produce nanoporous Si
Versatilely tuned vertical silicon nanowire arrays by cryogenic
reactive ion etching as a lithium‑ion battery anode Andam Deatama Reno 1,2,3*, nanowire anodes for lithium-ion batteries by combining cryogenic ICP-RIE and photolithography. During the
Design and synthesis of SiO@SiO₂ core–shell anodes for
The progress of energy storage technology crucially depends on the availability of high-performance lithium-ion batteries (LIBs). As a silicon-based composite material, silicon oxide (SiO) exhibits significant theoretical specific capacity and mitigates the volume expansion of pure silicon. However, poor electronic conductivity remains a significant issue, limiting the
High-capacity CVD-grown Ge nanowire anodes for lithium-ion batteries
We demonstrated high-performance Ge nanowire (NWs) anodes for rechargeable lithium-ion batteries with high-capacity and high coulombic efficiency. The NWs were prepared using a simple chemical vapor deposition (CVD) method, which is favorable for the mass production of electrodes. The unstable oxides of Ge deteriorate the electrochemical
Design and manufacture of high-performance microbatteries: lithium
Keywords: Microbatteries, lithium-ion batteries, post-lithium batteries, etching and printing techniques, microelectronics Page 2 of Chen et al. Microstructures 2022;2:2022012 https://dx.doi
Solid-liquid-solid growth of doped silicon nanowires for high
As an anode material of lithium-ion batteries, the synthesized SiNWs deliver a high initial Coulombic efficiency of 85.4 %. Fig. 1 d and Fig. 1 e display the SEM and TEM images of the product after HCl etching, respectively. The diameter distribution of SiNWs is shown in Fig. S4. The results reveal that the final product is kinked nanowires
Si/Cu composite as anode material for lithium-ion batteries
Si/Cu, anode, lithium-ion battery, etching, mechanosynthesis. 1 Introduction. The present commercial graphite delivers a theoretical capacity of 372 mAhg.
Silicon Anode: A Perspective on Fast
Power sources supported by lithium-ion battery (LIB) technology has been considered to be the most suitable for public and military use. Battery quality is always a critical
Dual Modification of Current Collector for High-Performance Lithium
Request PDF | On Jun 1, 2024, Xin Zhang and others published Dual Modification of Current Collector for High-Performance Lithium Metal Batteries by Laser Etching | Find, read and cite all the
Effects of Electrolytic Copper Foil
Improving the interfacial properties between the electrode materials and current collectors plays a significant role in lithium-ion batteries. Here, four kinds of electrolytic copper
Ultrathin Silicon Nanowires Produced by a Bi-Metal
Hedgehog-like Si nanomaterial has been prepared by metal assisted chemical etching method with cheap polycrystalline Si powder as raw materials and used as anode for lithium-ion batteries.
Research progress of functional MXene in
Lithium metal has a theoretical specific capacity of up to 3861 mA h g −1 and a very low redox potential (−3.040 V), resulting in a very high energy density of batteries with
Alkali etching enhanced polyimide based three-layer composite
At present, lithium-ion batteries are constantly developing towards high energy density. As one of the key components in lithium-ion battery, the separator is responsible for the transmission channel of lithium ion between electrodes, which can prevent short circuits caused by direct contact between positive and negative electrodes [1] sides, the separator can
Alkali etching enhanced polyimide-based three-layer
Separators have directly affected the safety and electrochemical performance of lithium-ion batteries. In this study, an alkali etched enhanced polyimide (PI)/polyacrylonitrile
Simple way of making free-standing
1. Introduction In recent years within a short period, the demand for flexible lithium-ion batteries (LIBs) with high-energy capacity vastly increased due to the rapid development of foldable and
Plasma processes in the preparation of lithium-ion battery
Lithium-ion batteries (LIBs) are the energy storage devices that dominate the portable electronic market. They are now also considered and used for electric vehicles and are foreseen to enable the smart grid. and properties of the prepared separators showed that plasma treatment longer than 10 min resulted in severe etching of the surface
Review of porous silicon preparation and its application for lithium
For lithium-ion batteries, a porous silicon electrode was prepared through electrochemical etching on a wafer with a hydrofluoric acid (HF) etching solution at a constant current density. The porosity and depth of porous Si can be varied by control of the current density and HF concentration [ 54 ].
Alkali etching enhanced polyimide-based three-layer
Separators have directly affected the safety and electrochemical performance of lithium-ion batteries. In this study, an alkali etched enhanced polyimide (PI)/polyacrylonitrile (PAN)@ cellulose acetate (CA)/PI three-layer composite separator is prepared using electrospinning, non-solvent phase separation, and alkali etching methods. The effects of
Enhanced interfacial bonding for boosting the performance of
The cycle life of lithium-ion batteries (LIBs) is significantly influenced by the interfacial bonding between the current collector and the active material. Suppressing the
Perfluoro-1-butanesulfonic acid etching strategy for dendrite
commercialization of lithium batteries for energy storage.15–17 To address these challenges effectively, an urgent necessity exists to discover alternative battery technologies to replace the current lithium-ion battery-based energy storage systems.18–20 In this context, researchers highly favor aqueous zinc metal
Dual modification of current collector for high-performance lithium
In this work, a multilayer Cu current collector structure combined with lithiophilic Cu x O was designed to simultaneously accommodate the massive volume expansion during the charging process and suppress the high reactivity between lithium and electrolyte through laser treatment. During laser treatment, planar Cu was etched to form arrays of multilayer
Si/Cu composite as anode material for
1 Introduction. The present commercial graphite delivers a theoretical capacity of 372 mAhg −1, which could not meet the demand of high-capacity lithium-ion batteries.Si
Effect of current density and electrochemical cycling on
Electrochemical etching technique is an ideal way to generate precisely ordered arrays of wires with minimal defects. To our knowledge, no attempts to apply electrochemical etching to the realm of nano patterned silicon-lithium battery anodes have been reported.
Advancing Energy Storage: Breakthrough in
Kawaura H, Suzuki R, Kondo Y, Mahara Y. Scalable Synthesis of Porous Silicon by Acid Etching of Atomized Al-Si Alloy Powder for Lithium-Ion Batteries. ACS Appl Mater Interfaces.
Scalable and low-cost synthesis of porous silicon nanoparticles
Nowadays, lithium-ion battery (LIB) is a vital component in electrical energy storage, which is widely used in commercial electronics and electric vehicles [1, 2].Great efforts have been dedicated to developing high-performance electrode materials to meet the vast demand for faster charge-discharge rates, better performance stability, lower cost, and longer
Environmental Emissions from Chemical
Silicon nanotubes (SiNTs) have been researched as a promising anode material to replace graphite in next-generation lithium ion batteries. Chemical etching synthesis of
Scalable synthesis of porous silicon electrodes for lithium-ion
Lithium-ion batteries (LIBs) are widely used in energy storage devices such as rechargeable battery systems because of their light weight and high-energy density. Owing to the spread of hybrid electric and electric vehicles, the demand for higher capacity and longer life of LIBs is increasing, and industry and academia are working energetically on this issue [[1], [2], [3]].