Phenolic Resin Derived Hard Carbon Anode for Sodium-Ion Batteries: A Review

SC Dey, B Worfolk, L Lower, WJ Sagues… - ACS Energy …, 2024 - ACS Publications
SC Dey, B Worfolk, L Lower, WJ Sagues, MR Nimlos, SS Kelley, S Park
ACS Energy Letters, 2024ACS Publications
Sodium-ion batteries are complementary to lithium-ion batteries for grid-scale energy
storage applications due to lower cost, safety, and potential for sustainable supply chains.
The past decade has witnessed enormous research efforts in developing hard carbon
anode materials for sodium-ion batteries. Phenolic resins have received significant attention
as hard carbon precursors due to their high carbon yield, highly cross-linked structure, low
cost, mature technology, and excellent electrochemical performance of corresponding hard …
Sodium-ion batteries are complementary to lithium-ion batteries for grid-scale energy storage applications due to lower cost, safety, and potential for sustainable supply chains. The past decade has witnessed enormous research efforts in developing hard carbon anode materials for sodium-ion batteries. Phenolic resins have received significant attention as hard carbon precursors due to their high carbon yield, highly cross-linked structure, low cost, mature technology, and excellent electrochemical performance of corresponding hard carbon anode. This Review exclusively highlights the state-of-the-art preparation of hard carbon from phenolic resins, and the electrochemical performance in sodium-ion batteries. Cross-linked resins are prepared from three phenolic monomers (phenol, resorcinol, and phloroglucinol) to produce hard carbon. The effects of carbonization temperature on the microstructure, and electrochemical properties of hard carbon have been summarized here. Hard carbon formation, and sodium storage mechanisms have been briefly outlined. Finally, this Review provides an industrial perspective on hard carbon production at scale.
ACS Publications
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