Synergetic effects of blended materials for Lithium-ion batteries
Source abstract
Abstract
LiNi1/3Co1/3Mn1/3O2, LiMn2O4 and LiCoO2 are paired to make the blended materials for the cathode of lithium-ion batteries. The factors impacting on the characteristics of blended materials are studied using constant current charge/discharge measurement and electrochemical impedance spectroscopy. The results show that the three pairs of blended materials exhibit very different synergetic effects in high C-rate discharging. The mechanism of particle synergetic effect has a physical root on the compensating material property of blending components, which fundamentally correlates with their similarity and difference in crystalline and electronic structures. The AC impedance show the obvious changes that alternate the high C-rate performance, due to reduced particle impedance in blended materials. The pairs of LiNi1/3Co1/3Mn1/3O2-LiMn2O and LiCoO2-LiMn2O4 present obvious increases in high C-rate reversible capacities than does the pair LiCoO2-LiNi1/3Co1/3Mn1/3O2.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advancements in Battery Materials · Advanced Battery Technologies Research · Advanced Battery Materials and Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (34)
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