废旧锌镍电池中回收氧化锌及其再应用
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摘要
用物理方法将废旧锌镍电池进行拆解,然后通过剥离、酸浸、沉淀、煅烧等工艺过程得到Zn O。在回收过程中,以碳酸纳为沉淀剂,控制碳酸钠溶液的滴加速度得到前驱物碱式碳酸锌,将其置于炉中煅烧,调控煅烧温度可得到不同结晶度的Zn O。用扫描电子显微镜和X-射线粉末衍射仪表征回收Zn O形貌和相结构,用循环伏安法测试其电化学性能;用回收的Zn O材料制备负极,用Ni(OH)2/碳纳米管制备正极,二者组装成Ni Zn软包电池,对其进行性能测试。测试结果表明回收的Zn O材料依然具备较为优异的电化学性能。
Ni Zn batteries were disassembled by physical method, then Zn O was obtained by stripping, acid leaching,precipitation, calcining and other processes. During the recycling process, using Na2 CO3 as precipitant, precursorbasic zinc carbonate was prepared by controlling the drop speed of Na2 CO3 solution. Different crystalline degrees ofZn O were obtained by adjusting calcination temperatures. Morphology and phase structure of Zn O werecharacterized by scanning electron microscopy and X-ray diffractometer. Cyclic voltammetry measurement displayedthe clear redox peaks. Ni Zn pouch cell was engineered by assembling positive electrode consisted of Ni(OH)2/carbonnanotube composites and negative electrode consisted of Zn O. The test results demonstrate that Ni Zn batterydisplays excellent electrochemistry performance. The above results show that recycled Zn O can be reused as anodematerials of Ni Zn battery.
Ni Zn batteries were disassembled by physical method, then Zn O was obtained by stripping, acid leaching,precipitation, calcining and other processes. During the recycling process, using Na2 CO3 as precipitant, precursorbasic zinc carbonate was prepared by controlling the drop speed of Na2 CO3 solution. Different crystalline degrees ofZn O were obtained by adjusting calcination temperatures. Morphology and phase structure of Zn O werecharacterized by scanning electron microscopy and X-ray diffractometer. Cyclic voltammetry measurement displayedthe clear redox peaks. Ni Zn pouch cell was engineered by assembling positive electrode consisted of Ni(OH)2/carbonnanotube composites and negative electrode consisted of Zn O. The test results demonstrate that Ni Zn batterydisplays excellent electrochemistry performance. The above results show that recycled Zn O can be reused as anodematerials of Ni Zn battery.
引文
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[3]张笑笑,王鸯鸯,刘媛,等.废旧锂离子电池回收处理技术与资源化再生技术进展[J].化工进展,2016,35(12):4026-4031.
[4]戴长松,王殿龙,伊廷锋,等.泡沫铅对VRLA电池负极活性物质结构及性能影响[J].无机化学学报,2005,21(12):1875-1879.
[5] RYDH C J, KARLSTRBM M. Life cycle inventory of recyclingportable nickel-cadmium batteries[J]. Resources Conservation andRecycling, 2002, 34(4):289-309.
[6] PANERO S, ROMOLI C, ACHILLI M, et al. Impact of householdbatteries in landfills[J]. Joural of Power Sources,1995,57(1/2):9-12.
[7] FERRACIN L C, CHACON-SANHUEZA A E, DAVOGLIO R A,et al. Lead recovery from a typical Brazilian sludge of exhaustedlead-acid batteries using an electrohydrometallurgical process[J].Hydrometallurgy, 2002, 65(2/3):137-144.
[8] YUAN Y F, TU J P, WU H M, et al. Electrochemical performanceand morphology evolution of nanosized Zn O as anode material ofNi-Zn batteries[J]. Electrochimica Acta, 2006, 51(18):3632-3636.
[9] WANG H L, LIANG Y Y, GONG M, et al. An ultrafast nickel-ironbattery from strongly coupled inorganic nanoparticle/nanocarbonhybrid materials[J]. Nature Communication, 2012, 3(917):917-925.
[10]袁永锋.锌镍电池电极材料氧化锌纳米化与表面修饰的结构及其电化学性能[D].浙江:浙江大学,2007:52.
[2]谌谷春,唐新村,王志敏,等.废旧锂电池中镍钴锰的回收及正极材料LiCo1/3Ni1/3Mn1/3O2的制备[J].无机化学学报,2011,27(10):1987-1992.
[3]张笑笑,王鸯鸯,刘媛,等.废旧锂离子电池回收处理技术与资源化再生技术进展[J].化工进展,2016,35(12):4026-4031.
[4]戴长松,王殿龙,伊廷锋,等.泡沫铅对VRLA电池负极活性物质结构及性能影响[J].无机化学学报,2005,21(12):1875-1879.
[5] RYDH C J, KARLSTRBM M. Life cycle inventory of recyclingportable nickel-cadmium batteries[J]. Resources Conservation andRecycling, 2002, 34(4):289-309.
[6] PANERO S, ROMOLI C, ACHILLI M, et al. Impact of householdbatteries in landfills[J]. Joural of Power Sources,1995,57(1/2):9-12.
[7] FERRACIN L C, CHACON-SANHUEZA A E, DAVOGLIO R A,et al. Lead recovery from a typical Brazilian sludge of exhaustedlead-acid batteries using an electrohydrometallurgical process[J].Hydrometallurgy, 2002, 65(2/3):137-144.
[8] YUAN Y F, TU J P, WU H M, et al. Electrochemical performanceand morphology evolution of nanosized Zn O as anode material ofNi-Zn batteries[J]. Electrochimica Acta, 2006, 51(18):3632-3636.
[9] WANG H L, LIANG Y Y, GONG M, et al. An ultrafast nickel-ironbattery from strongly coupled inorganic nanoparticle/nanocarbonhybrid materials[J]. Nature Communication, 2012, 3(917):917-925.
[10]袁永锋.锌镍电池电极材料氧化锌纳米化与表面修饰的结构及其电化学性能[D].浙江:浙江大学,2007:52.