Page 157 - 《精细化工》2023年第3期
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第 3 期                   尹金佩,等: Mn 3 O 4 微观结构对固相合成类单晶锰酸锂的影响                               ·613·


            放热温度和放热峰温度分别为 350 和 425  ℃,差别                          LiMn 2O 4 nanorods  via template-method and its electrochemical
                                                                   performance as cathode materials for lithium ion batteries[J]. Journal
            不大,但类单晶 LMO-2 放热峰面积较 LMO-1 大幅                          of the Chinese Ceramic Society (硅酸盐学报), 2017, 45(1): 15-19.
            度减小。由此可知,充电态的 LMO-2 与电解液的反                         [7]   WANG T (汪涛), FAN S J (樊少娟), YANG  L M (杨立铭). A
                                                                   method of modifying micron-sized lithium nickel-manganate
            应更少,具有更好的热稳定性              [24] 。这主要是因为,               material with core-shell structure: CN106025267A[P]. 2016-10-12.
                                                               [8]   LI Z T (李子涛). Preparation of single-crystalline spinel LiMn 2O 4 for
            类单晶锰酸锂受 Mn 3 O 4 微观结构的影响,具有更短                          high performance lithium-ion battery  cathode  material[D].  Shenyang:
            的 Mn—O 键长(表 2),键能的增加使材料结构稳                             Northeastern University (东北大学), 2013.
                                                               [9]   LIU P (刘攀), LI W S (李文升), XU G F (许国峰), et al. Study on
            定性更强,且稳定的外露表面也能使高温下材料的                                 preparation process and properties of high performance single crystal
            结构变化减小。                                                LiNi 0.5Co 0.2Mn 0.3O 2  material[J].Chinese Journal of Power Sources
                                                                   (电源技术), 2019, 43(7): 1104-1106.
                                                               [10]  CHENG D (程迪),  TIAN X Y  (田新勇), XU  Y J (徐云军),  et al.
                                                                   Synthesis and electrochemical characteristics of mono-like and long-
                                                                   life high voltage LiNi 0.5Co 0.2Mn 0.3O 2 cathode material[C]// Proceedings of
                                                                   the 31st Annual National Conference on Chemical  and Physical
                                                                   Power (第 31 届全国化学与物理电源学术年会论文集), 2015:
                                                                   204-207.
                                                               [11]  TANG S H (唐盛贺), ZHOU H Z (周汉章), LIU G H (刘更好), et al.
                                                                   Synthesis and characterization  of mono-like LiNi 0.6Co 0.2Mn 0.2O 2 as
                                                                   anode material for Li-ion battery[J]. New Chemical Materials (化工
                                                                   新型材料), 2017, 45(4): 139-141.
                                                               [12]  HU W L (胡文理), HE F R (何凤荣), HU Q (胡骐), et al. A kind of
                                                                   single crystal lithium nickel cobalt  manganate preparation method:
                                                                   CN111370683A[P]. 2020-07-03.
                                                               [13]  HUANG W J (黄文进), WANG Z J  (王泽杰), DU W P (杜婉萍),
                                                                   et al. Study on the particle size  of raw  materials on the
                    图 8  LMO-1 和 LMO-2 的 DSC 曲线                    electrochemical performance of solid-phase synthesis of lithium
                   Fig. 8    DSC curves of LMO-1 and LMO-2         manganate cathode[J]. Jiangxi Metallurgy (江西冶金), 2020, 40(3):
                                                                   12-17.
                                                               [14]  HU W L (胡文理), CHEN H  L  (陈海轮), HU Q (胡骐). A
            3   结论                                                 preparation method of lithium nickel cobalt manganate precursors:
                                                                   CN113735187A[P]. 2021-12-03.
                                                               [15]  HAN Y C (韩要丛), TANG Y B (唐跃波), LI P L (李普良), et al.
                 以不同微观结构的 Mn 3 O 4 为前驱体采用高温固                       Investigation of spinel  LiMn 2O 4 synthesized  by Mn 3O 4[C]//
                                                                   Proceedings of the 29th Annual National Conference on Chemical
            相法均能制得尖晶石锰酸锂,但其形貌和尺寸受前                                 and Physical Power Sources (第 29 届全国化学与物理电源学术年
            驱体的影响较大,粒度小且比表面积大的类球形                                  会论文集), 2011: 22-25.
                                                               [16]  LIANG  Q M (梁其梅), LIU  Q (刘清), GUO J M (郭俊明),  et al.
            Mn 3 O 4 易制得类单晶结构的锰酸锂,该材料的颗粒                           Synthesis and electrochemical properties of spinel Li 1.02Ni 0.05Mn 1.93O 4
            团聚致密、表面光滑,且晶胞参数小、能量密度大                                 cathode materials[J]. Journal of the Chinese Ceramic Society (硅酸
                                                                   盐学报), 2021, 49(6): 1048-1055.
                 +
            和 Li 浓度高。                                          [17]  ZAWRAH M F, EZZAT  A, FADALY E L, et al. Synthesis and
                                                                   characterization of nano Mn 3O 4 and LiMn 2O 4 spinel from manganese
                 类单晶锰酸锂具有更高的放电比容量、库仑效                              ore and pure materials[J]. Ceramics International, 2020, 46(11):
            率,大倍率性能好、循环稳定性和热稳定性强。原                                 17514-17522.
                                                               [18]  MARCHNI F, CALVO E J, WILLIAMS F J. Effect of the electrode
            因在于类单晶锰酸锂拥有稳定的晶体结构与外露表                                 potential on the surface composition and crystal structure of LiMn 2O 4
                                                     +
                       +
            面、高的 Li 浓度,且在电化学反应过程中 Li 迁移                            in aqueous solutions[J]. Electrochimica Acta, 2018, 2(108): 706-713,
                                                                   269.
            速率高、电极极化和电荷转移阻抗小。                                  [19]  GUO J K (郭进康), ZHONG S  W (钟盛文), XU  C (徐唱),  et al.
                                                                   Synthesis of Li(Ni 1/3Mn 1/3Co 1/3)O 2 as single crystal cathode material
            参考文献:                                                  for long life lithium ion battery[J]. Chinese Journal of Power Sources
                                                                   (电源技术), 2018, 42(9): 1283-1285, 1293.
            [1]   CHEN H H. TiO 2-modified spinel lithium manganate for suppressing   [20]  CAN  Y J, HUANG Y D,  WANG  X C,  et al. Facile synthesis of
                 Mn ion dissolution in lithium ion batteries[J]. International Journal of   LiMn 2O 4 octahedral nanoparticles as cathode materials for  high
                 Electrochemical Science, 2017, 12: 7817-7828.     capacity lithium ion batteries with long cycle life[J]. Journal of
            [2]   MA J (马婧), WANG F P (王芳平), ZHOU K L (周凯玲), et al.   Power Sources, 2015, 1(278): 574-581.
                 Preparation of sandwich-type biochar electrode materials and   [21]  REN M M (任明明), LIU Z P (刘泽萍), YUAN Z L (袁振洛), et al.
                 performance of supercapacitor[J]. Fine Chemicals (精细化工), 2021,   Microscopic mechanism of influence of doping F  on structure and
                 38(2): 374-379.                                   performance of LiNi 0.8Co 0.1Mn 0.1O 2[J]. Chinese Journal of Inorganic
            [3]   WANG J L, ISLAM M M, DONNE S W.  In-situ detection of   Chemistry (无机化学学报), 2021, 37(6): 1046-1054.
                 LiMn 2O 4 dissolution during electrochemical cycling by[J].   [22]  ZHOU  H, WAN S, HE  C, et  al. Improved electrochemical
                 Electrochimica Acta, 2021, 386: 138366.           performance of spinel LiMn 2O 4  in situ coated with graphene-like
            [4]   GUO J M (郭佳明), LIANG J L (梁精龙), LI H (李慧), et al.   membrane[J]. Journal of Power Sources, 2014, 247: 721-728.
                 Progress on preparation method and research of LiMn 2O 4 as cathode   [23]  XIE Z D (谢志迪),  YANG J W (杨建文), CHEN Q Q (陈权启),
                 materials for lithium-ion batteries[J]. New Chemical Materials (化工  et al. Effect of ZnF 2 coating  on performance of LiNi 0.5Mn 1.5O 4
                 新型材料), 2020, 48(7): 43-51.                        cathode material for lithium-ion batteries[J]. Fine Chemicals (精细化
            [5]   HARIPRASAD K,  NARESH N, NAGESWAR  A  R B,  et al.   工), 2017, 34(3): 297-284, 340.
                 Preparation of LiMn 2O 4 nanorods and nanoparticles for lithium-ion   [24]  LI Y (李燕), ZHAO Y J (赵煜娟), LIU X  Y (刘欣燕),  et al.
                 battery applications[J]. Materials Today: Proceedings,  2016, 3(10):   Improvement of electrochemical performance and thermal stability of
                 4040-4045.                                        LiNiO 2  modified with surficial coating[J].  The Chinese Journal of
            [6]   YU G (余刚), XIAO Z A (肖作安), ZHOU Z (周哲), et al. Ni-doped   Nonferrous Metals (中国有色金属学报), 2005, 15(1): 88-91.
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