高。温度过高会导致CoNH)62+不稳定,降低浸出率,温度过低则会影响反应速度,降低反应效率。与此同 时,温度的改变对M、Al、Cu的浸出效果几乎没有影响。调整浸出的固液比也能对Ni、Co的浸出造成显 著影响,较低的固液比能扩大电极材料与浸出液的接触面积,提高Ni、Co的浸出效率。同样,固液比对M、 AI的浸出率几乎没有影响。 (a) Sleel foil Cathode components Cathode-active Discharge treatment of Spent lithium-ion battcrics Battery pack material spent lithium-ion batteries Copper Physical Chemical treatment treatment Ammoniacal leaching (b) Co Co selective Spent LIB pack Treated cathode Leach residue material powders separation 100 12.0 (dd-Binary2s℃,Eq.(2 100 (c) 115 (e) o-Tertiary2s℃,Eq.(2 11.0 Binary (25C)-o-Tertlary [25C) -- 60 10.5 -Binary (80C)--Tertiary (80C) 花60 ◆Im 4一C0 Cu 10.0 95 -A1 -Cu 9.0 8.5 20 0.5 10 15 2.0 2.5 3.0 0.2 0.40.60.8 1.0 0.00.51.0 1.5 2.0 Concentration of NH,(M) Concentration of (NH 2S03 or (NHp2CO3 (M) Concentration of (Hp2CO3 QD) 图2(a)废旧锂离子电池处理流程图23:(b)废旧锂离子电池回收过程1:(c)碳酸铵浓度对金属浸出效率的影 响(1mol/L氨溶液,0.5mol/L亚硫酸铵,80℃和1h):(d二元酸或三元体系中pH的变化:(e)浸出剂 含量对金属浸出效率的影响NH3:NH4)2SO3:NH4)2CO3=1:0.5:1、80C和1h)I7 Fig.2 (a)Flow chart of recycling waste lithium-ion battery 231;(b)the recycling process of waste lithium-ion batteries[i7;(c)the effect of ammonium carbonate concentration on metal leaching efficiency(ammonia solution of 1 mol/L,ammonia sulfite solution of0.5 mol/L,80C and 1 h)7,(d)change of pH in a polyatomic acid system7;4 高。温度过高会导致 Co(NH3)6 2+不稳定,降低浸出率,温度过低则会影响反应速度,降低反应效率。与此同 时,温度的改变对 Mn、Al、Cu 的浸出效果几乎没有影响。调整浸出的固液比也能对 Ni、Co 的浸出造成显 著影响,较低的固液比能扩大电极材料与浸出液的接触面积,提高 Ni、Co 的浸出效率。同样,固液比对 Mn、 Al 的浸出率几乎没有影响。 图 2 (a)废旧锂离子电池处理流程图[23];(b)废旧锂离子电池回收过程[17];(c)碳酸铵浓度对金属浸出效率的影 响(1 mol/L 氨溶液,0.5 mol/L 亚硫酸铵,80 o C 和 1 h) [17];(d)二元酸或三元体系中 pH 的变化[17];(e)浸出剂 含量对金属浸出效率的影响(NH3:(NH4)2SO3:(NH4)2CO3=1:0.5:1、80 oC 和 1 h)[17] Fig.2 (a) Flow chart of recycling waste lithium-ion battery[23]; (b) the recycling process of waste lithium-ion batteries[17]; (c) the effect of ammonium carbonate concentration on metal leaching efficiency (ammonia solution of 1 mol/L, ammonia sulfite solution of 0.5 mol/L, 80 oC and 1 h) [17]; (d) change of pH in a polyatomic acid system[17]; 录用稿件,非最终出版稿