采用提取的含少量Co3O4的LiCoO2为原料,在不同温度下合成正极材料LiCoO2,烧结时间为12 h,并采用XRD和SEM技术研究合成的LiCoO2的晶相结构与微观形貌.结果发现:烧结温度对LiCoO2的晶体结构影响较大,烧结温度越高,LiCoO2的层状结构发育越完整.循环伏安曲线很好地反映了再生LiCoO2的脱/嵌锂行为.将LiCoO2样品做成电池进行电化学检测,结果发现,烧结温度为850 ℃的样品首次放电容量为151mA·h/g,30次循环之后,放电容量仍有141mA·h/g,表现出良好的电化学性能.
参考文献
| [1] | Dong H J;Young J S;Seung M O .Dissolution of spinel oxides and capacity losses in 4 V Li/LiMn2O4 cells[J].Journal of the Electrochemical Society,1996,143(07):2204-2210. |
| [2] | Pistoia G.;Zhang Y.;Zane D. .SOME ASPECTS OF LIMN2O4 ELECTROCHEMISTRY IN THE 4 VOLT RANGE[J].Journal of the Electrochemical Society,1995(8):2551-2557. |
| [3] | Yong Y X;Takeshige H;Noguchi H .Synthesis and electrochemical behaviour of LixMn2O4[J].Journal of Power Sources,1995,56(01):61-67. |
| [4] | Andersson AS.;Haggstrom L.;Thomas JO.;Kalska B. .Lithium extraction/insertion in LiFePO4: an X-ray diffraction and Mossbauer spectroscopy study[J].Solid state ionics,2000(1/2):41-52. |
| [5] | A. Yamada;S.C. Chung;K. Hinokuma .Optimized LiFePO_4 for Lithium Battery Cathodes[J].Journal of the Electrochemical Society,2001(3):A224-A229. |
| [6] | Takahashi M;Tobishima S;Takei K;Sakurai Y .Characterization of LiFePO4 as the cathode material for rechargeable batteries[J].Journal of Power Sources,2001,97-98(05):508-511. |
| [7] | A.S.Andersson;J.O.Thomas .The source of first-cycle capacity loss in LiFePO_4[J].Journal of Power Sources,2001(0):498-502. |
| [8] | Shoufeng Yang;Peter Y. Zavalij;M. Stanley Whittingham .Hydrothermal synthesis of lithium iron phosphate cathodes[J].Electrochemistry communications,2001(9):505-508. |
| [9] | Naoaki Y;Ohzuku T .Novel lithium insertion material of LiCo1/3Ni1/3Mn1/3O2 for advanced lithium-ion batteries[J].Journal of Power Sources,2003,119-121(01):171-174. |
| [10] | MacNeil D D;Lu Z;Dahn J R .Structure and electrochemical of Li[CoxNi1-2xMnx]O2(0≤x≤1/2)[J].Journal of the Electrochemical Society,2002,149(10):1332-1336. |
| [11] | Kang S H;Kim J;Stoll M E;Abraham D,Sun Y K,Amine K .Layered (M'=Co,Al,Ti; x=0,0.025) cathode materials for Li-ion rechargeable batteries[J].Journal of Power Sources,2002,112(01):41-48. |
| [12] | Masaki Y;Hideyki N;Itoh J I;Okada M Mouri T .Preparation and properties of LiCoyMnxNi1-x-yO2 as a cathode for lithium ion batteries[J].Journal of Power Sources,2000,90(02):176-181. |
| [13] | ZHANG Ping-wei;Yokoyama T;Itabashi O;Suzuki M T,Inoue K .Hydrometallurgical process for recovery of metal from spent lithium-ion secondary batteries[J].Hydrometallurgy,1998,47(2-3):259-271. |
| [14] | 吴芳.从废旧锂离子二次电池中回收钴和锂[J].中国有色金属学报,2004(04):697-701. |
| [15] | 钟海云,李荐,柴立元.从锂离子二次电池正极废料--铝钴膜中回收钴的工艺研究[J].稀有金属与硬质合金,2001(01):1-4,11. |
| [16] | Contestable M;Panero S;Scorosato B .A laboratory-scale lithium-ion battery recycling process[J].Journal of Power Sources,2001,92(1-2):65-69. |
| [17] | 刘云建,胡启阳,李新海,王志兴,郭华军,彭文杰.从不合格锂离子蓄电池中直接回收钴酸锂[J].电源技术,2006(04):308-310. |
| [18] | Markovsky B;Rodkin A;Salitra G .The impact of Co2+ ions in solutions on the performance of LiCoO2,Li,and lithiated graphite electrodes[J].Journal of the Electrochemical Society,2004,151(07):1068-1076. |
| [19] | Amatucci GG.;Klein LC.;Tarascon JM. .COO2, THE END MEMBER OF THE LIXCOO2 SOLID SOLUTION[J].Journal of the Electrochemical Society,1996(3):1114-1123. |
| [20] | Myung ST.;Komaba S.;Chung HT.;Kumagai N. .Effects of Al doping on the microstructure of LiCoO2 cathode materials[J].Solid state ionics,2001(1/2):47-56. |
| [21] | Fang T;Duh J G;Sheen S R .LiCoO2 cathode material coated with nano-crystallized ZnO for Li-ion batteries[J].Thin Solid Films,2004,469-470(01):361-365. |
| [22] | 刘景,温兆银,吴梅梅,顾中华,曹佳弟,林祖缓.LiCoO2正极材料的络合法合成及其电化学性能研究[J].无机材料学报,2002(06):1157-1162. |
| [23] | Jeong W T;Lee K S .Electrochemical cycling behavior of LiCoO2 cathode by mechanical alloying of hydroxides[J].Journal of Power Sources,2002,104(01):195-200. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%