A5043403209- Advanced battery technologies research
- Supercapacitor Materials and Fabrication
- Advanced Battery Materials and Technologies
- Electrocatalysts for Energy Conversion
- Conducting polymers and applications
- Gas Sensing Nanomaterials and Sensors
- Layered Double Hydroxides Synthesis and Applications
- Fuel Cells and Related Materials
- Advancements in Battery Materials
- Advanced Memory and Neural Computing
Beijing Institute of Technology
2022-2023
This paper discusses the challenges and solutions for zinc–air batteries in practical mass production applications provides a more reasonable structure power batteries.
Abstract Flexible zinc‐air batteries have received widespread attention due to their high specific energy and eco‐friendly environment. However, the water in hydrogel is easily lost external environment because of semi‐open structure batteries, leading performance degradation batteries. Here a saline gel NaCl‐KOH‐PAA (sodium chloride‐potassium hydroxide‐polyacrylic acid) without soaking alkaline solution before use designed, refining grid reducing loss through NaCl doping. Meanwhile,...
Abstract Flexible Zn–air batteries (FZABs) have attracted more attention due to their high specific energy, excellent stability, and unique rechargeability. However, these are limited by the low conductivity of gel electrolytes used. Here a quasi‐liquid with ionic comparable liquid is presented. The pore structure guided modified in situ large‐size silica achieve clear unbroken pores. reduced skeleton leads significant increase 562.6 mS cm −1 , enabling peak power density 154 mW −2 cycle...
Schematic illustration of the main research characteristics polymer electrolytes for solid-state zinc–air batteries.
Zinc-air batteries using gels as carriers for electrolyte absorption have attracted extensive attention due to their flexibility, deformability, and high specific capacity. However, traditional mono-polymer gel electrolytes display poor mechanical properties low ionic conductivity at wide-window temperatures. Here, the enhanced polymer (PAM-F/G) modified by dual surfactants is present way of pluronic F127 layered graphene oxide introduced into polyacrylamide (PAM) matrix. The procured...
Abstract Metal–air batteries have become one of the new potential sources electrochemical energy due to excellent characteristics, environmental friendliness and cheap cost. Whereas, commercialization metal–air is still subject sluggish kinetics on air electrode hydrogen evolution corrosion as well dendrite growth metal anode. Recently, applied magnetic field, a technology for transferring across physical space, receives more attention, can improve performance by promoting mass transfer,...
By investigating the technological development of metal–air batteries in terms specific energy, cycle life, fast charging, environmental adaptability and flexibility, we propose application for powering robotic devices.
Zinc metal has emerged as seeded anode material in the field of high-efficiency aqueous metal-air battery system due to advantages abundant reserves, strong reversibility and high capacity. Unfortunately, conventional zinc electrodes commonly adopt a flat structure, dendrite accumulation corrosion during cycle process lead sub-optimal efficiency performance. Herein, electrode is designed three-dimensional (3D) spiral structure improve utilization quality battery. Compared with plate, 3D can...
The high-dense metal-air batteries are difficult to commercialize on a large scale mainly because of sluggish kinetics air electrode. catalysts crucial importance for the rate oxygen reduction reaction (ORR), among which Pt-based ORR have shortcomings in stability and cost, kind with adding C N transition metals receive more attention. Here we analyze catalytic performance graphene supported metals-N 4 (M-N @G) based density functional theory (DFT), verifying rationality such five different...
Adv. Funct. Mater. 2023, 33, 2303719 DOI: 10.1002/adfm.202303719 The authors regret a mistake at the first sentence of “Preparation Pore-Enlarged PAA Electrolyte” part (page 7) in “Experimental Section”. amount MBA added should be 0.0833g instead 0.833g.