调控<strong>LiPF<sub>6</sub></strong> 基电解液溶剂化结构稳定富锂锰基正极界面

调控LiPF₆ 基电解液溶剂化结构稳定富锂锰基正极界面

胡川, 胡志伟, 李振东, 李帅, 王豪, 王丽平

Tailoring LiPF₆-base electrolyte solvation structure toward a stable Lithium-rich manganese-based cathode interface

Chuan HU, Zhiwei HU, Zhendong LI, Shuai LI, Hao WANG, Liping WANG

表1 基于不同新型电解液的富锂锰基正极金属锂电池的电化学性能

Table 1 Electrochemical performance of lithium-manganese-rich cathode lithiummetal batteries based on different novel electrolytes

正极材料

电解液

循环性能

Li_1.16Mn_0.63Ni_0.21O₂^[27]

Li_1.144Mn_0.544Ni_0.136Co_0.136O₂^[28]

Li_1.2Mn_0.54Ni_0.13Co_0.13O₂^[7]

Li_1.2Mn_0.54Ni_0.13Co_0.13O₂^[31]

Li_1.2Mn_0.54Ni_0.13Co_0.13O₂^[32]

Li_1.17Mn_0.5Ni_0.17Co_0.17O₂^[33]

Li_1.16Mn_0.54Ni_0.2Co_0.1O₂^[34]

Li_1.2Mn_0.54Ni_0.13Co_0.13O₂^[29]

Li_1.17Mn_0.5Ni_0.17Co_0.17O₂^[3]

Li_1.2Mn_0.6Ni_0.2O₂^[5]

Li_1.2Mn_0.56Ni_0.16Co_0.08O₂^[35]

Li_1.2Mn_0.54Ni_0.13Co_0.13O₂^[36]

Li_1.2Mn_0.54Ni_0.13Co_0.13O₂^[37]

Li_1.2Mn_0.55Ni_0.15Co_0.1O₂^[38]

Li_1.2Mn_0.54Ni_0.13Co_0.13O₂(本文)

1 mol/L LiPF₆ EC/DMC/DEC+2% FEC

1 mol/L LiPF₆TMP/TTE

1 mol/L LiPF₆ EC/EMC/DEC+1% PVS

1 mol/L LiPF₆ EC/DMC+3% TEP

1 mol/L LiPF₆ EC/DEC+1% TMP

1.3 mol/L LiPF₆ EC/EMC/DMC+0.5% TMSP

1 mol/L LiPF₆ EC/EMC+0.2% TPPi

1 mol/L LiPF₆ EC/EMC/DMC+0.5% TMSPi

1 mol/L LiPF₆ EC/EMC/DMC+1% LiDFOB

1.2 mol/L LiPF₆ EC/EMC+2% LiBOB

1 mol/L LiPF₆ EC/DMC+0.5% TMSB

1 mol/L LiPF₆ EC/EMC/DEC+2% TMB

1 mol/L LiPF₆ EC/EMC/DEC+3% TPB

1 mol/L LiPF₆ EC/EMC/DEC+1% BTMSC

1 mol/L LiPF₆FEC/DMC/TTE+1% LiDFOB

0.5 C-100 cycles@92%

0.03 C-100 cycles@96%

0.5 C-240 cycles@80%

0.3 C-110 cycles@82%

0.5 C-100 cycles@81%

0.5 C-100 cycles@77%

0.5 C-90 cycles@91%

0.5 C-300 cycles@74%

0.5 C-200 cycles@81%

0.2 C-300 cycles@92%

0.5 C-200 cycles@74%

0.5 C-300 cycles@84%

0.5 C-250 cycles@78%

0.5 C-200 cycles@72%

0.5 C-400 cycles@83%