Covalent organic frameworks for solid-state electrolytes of lithium metal batteries

Abstract

Covalent organic frameworks (COFs) with periodic network and open crystalline porous characteristic have received considerable attention due to their customizable structures and properties. Benefiting from the well-defined 1D nanochannels and...

Covalent Organic Framework Based Lithium–Sulfur Batteries: Materials, Interfaces, and Solid‐State Electrolytes

“…[179][180][181][182][183] In addition to containing more charged particles, nanoscale pores and regularly spaced channels of COFs can provide hopping sites for Li + conduction. [184] More importantly, owing to the designability of the components, chemical bonds, pore structures, and functions, COFbased SSEs can meet a broader range of requirements. [184][185][186] Finally, a COF-based SSE may effectively resolve the shuttle problem of polysulfides in Li-S batteries.…”

“…[184] More importantly, owing to the designability of the components, chemical bonds, pore structures, and functions, COFbased SSEs can meet a broader range of requirements. [184][185][186] Finally, a COF-based SSE may effectively resolve the shuttle problem of polysulfides in Li-S batteries. The COF-based SSEs exhibit satisfactory contact with the Li metal anode with regard to the interfacial challenges.…”

The application of covalent organic frameworks in Lithium-Sulfur batteries: A mini review for current research progress

“…Until now, there is no very direct or strongly related research on COFs-based solid electrolyte in Li-S batteries (Gao et al, 2022). The chemical modification on COFs is beneficial to create excellent Li-ion conduction channels and improve the durability of LIBs (Huang et al, 2021).…”

Single crystal H-Nb2O5 growing along the [001] crystal direction for ultrafast lithium storage

“…[5][6][7][8] Current commercialized LIBs deliver a remarkable energy density of about 300 W h kg −1 through the Faraday reaction with Li ions but are restricted with low power density and poor cycle life because of slow Li + diffusion in the bulk electrode and structural collapse during the chargedischarge process, respectively. [9][10][11] In contrast, ECs can provide ultrahigh power density over 10 kW kg −1 and ultralong cycle life for more than 10 6 cycles through the physical adsorption/ desorption behaviors on the electrode surface, which results in a very low energy density (<10 W h kg −1 ). [12][13][14] Obviously, neither LIBs nor ECs can sufficiently meet increasing demands in terms of energy/power density and cycle life at the same time.…”