Physics-based Modeling of Sodium-ion Batteries Part I: Experimental parameter determination

نویسندگان

چکیده

• Electrochemical parameters of SIBs are presented for the first time. Hard carbon (HC) and N a 3 V 2 ( P O 4 ) F (NVPF) deduced from half-cells. HC//NVPF full cell SIB performance shown at different current rates. Mass transport limitations Ohmic losses observed in NVPF cathode high Potential challenges charging HC-based electrodes rates discussed. Sodium-ion batteries (SIBs) have been heralded as most promising “beyond lithium” energy storage technology. This proclamation is based on recent technological trends outstanding state-of-the-art prototype 18650 pouch cells. However, improving design requires an in-depth understanding electrochemical behavior both experimental physics-based modeling perspective. In this contribution, characterizations electrode materials hard anode presented. The goal investigation to understand individual further elucidate relevant models. As result, geometric, thermodynamic, kinetic two electrodes. Based analyses Na//NVPF Na//HC half-cells, diffusion mass identified These overpotential equally present composed HC results useful setup

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ژورنال

عنوان ژورنال: Electrochimica Acta

سال: 2022

ISSN: ['1873-3859', '0013-4686']

DOI: https://doi.org/10.1016/j.electacta.2021.139726