Electrode/electrolyte interphases in high-temperature batteries: a review

Abstract

High-temperature batteries (HTBs), which refer to the batteries operated at temperatures higher than 300 °C in this review, have attracted much attention due to their improved thermal stability and power...

A Novel Ultrathin Multiple‐Kinetics‐Enhanced Polymer Electrolyte Editing Enabled Wide‐Temperature Fast‐Charging Solid‐State Zinc Metal Batteries

“…In general, all the cases show a negative adsorption energy, indicating a spontaneous adsorption behavior of OTf − anion on the surface of PAN. [ 34 ] Then, the adsorption energies were calculated to be −3.54, −3.33, and −3.25 eV, respectively. Given the result of the lowest binding energy barrier, the binding configuration of type I was further adopted to investigate the migration barrier of zinc ions in PZ and PSPZ electrolyte systems.…”

“…Interfacial thermal conduction of SPE is an easily overlooked structural property, which has been demonstrated to influence significantly the structural stability and compatibility of an electrode–electrolyte interface at high‐temperature and/or fast‐charging conditions. [ 34 ] For a normal polymer matrix, poor thermal diffusion would usually lead to accumulated overpotential heat and local temperature “hot spots”, thus leading to severe side reactions, irregular metal deposition, and dendrite growth. [ 35,36 ] In this case, the structural editing of SPE that is suitable for wide‐temperature solid‐state zinc metal batteries needs to take into account multiple properties simultaneously, including the Zn 2+ transport kinetics, interfacial thermal conduction and structural stability and deposition uniformity, to ensure the excellent interface compatibility.…”

Unraveling the temperature-responsive solvation structure and interfacial chemistry for graphite anodes

“…29–32 The interaction between the electrolyte and the SEI becomes even more complex because the SEI formation process is closely linked to the reduction stability of the solvated components, especially when thermal reduction interferes at elevated temperature. 13,33 This highlights the significant effect of temperature on the solvation sheath and SEI film. Nevertheless, despite these considerations, it still remains ambiguous how temperature impacts the solvation structure, interfacial chemistry and battery performance in the microscopic view.…”

“…As a consequence, this leads to the reduced interfacial stability and the thickening of the SEI film. [13][14][15][16] Obviously, the operation temperature would impact the ion movements and thermal stability of the electrolyte components, which leaves the rocking-chair LIBs with the temperature-related electrochemical performance.…”

Current Status and Prospects of Research on Cathode Materials for Lithium-Based Thermal Batteries

“…As a result, the new battery system displayed an impressive 47% enhancement in energy output and achieved a power density of 11. 4 and achieved a capacity of 262 mAh g −1 . Li 2 MnCl 4 was tested at 400 °C and achieved a capacity of 254 mAh g −1 .…”