Spatial Confinement in Structural Biomimetic Catalysts: Enhancing Sulfur-Chain Homolysis and Enzyme-like Activity for High-Performance Lithium–Sulfur Batteries
Source abstract
Abstract
Our study addresses the critical challenges of sluggish sulfur reaction kinetics and severe lithium polysulfide shuttling in high-energy-density lithium–sulfur batteries under high sulfur loading and lean electrolyte conditions. Inspired by the structure of cytochrome c oxidase, we designed an enzyme-mimetic Fe-TCPP@Cu-BTC catalyst with spatial confinement effects. Its spatially confined configuration induces the homolytic cleavage of Li 2 S 6 to LiS 3 and accelerates their subsequent conversion to Li 2 S. The enzyme-like properties were further evaluated using Michaelis–Menten kinetics, confirming that the homolytic reaction can increase the sulfur conversion rate by nearly 2 orders of magnitude.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced Battery Materials and Technologies · Advancements in Battery Materials · Advanced battery technologies research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Carbon Materials of Zhejiang Province
Wenzhou University
Institute of Industrial Carbon Materials and Hydrogen Energy Technology of Wenzhou University
College of Electrical and Electronic Engineering
Center for Neutron Scattering and Advanced Light Sources
Dongguan University of Technology
Funding
Basic and Applied Basic Research Foundation of Guangdong Province · National Natural Science Foundation of China · Zhejiang Provincial Xinmiao Talents Program · Natural Science Foundation of Zhejiang Province · Major Scientific and Technological Innovation Project of Wenzhou City
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