Page 208 - 《精细化工》2021年第11期
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第 38 卷第 11 期                            精   细   化   工                                 Vol.38, No.11
             2021 年 11 月                             FINE CHEMICALS                                 Nov.  2021


              有机电化学与工业
                  金属有机聚合物衍生 Co O 的制备及其储锂性能
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                     陈修栋      1,2 ,柯江南 ,严   平            1,2* ,刘金杭 ,汪亚威 ,杨志鹏
                 (1.  九江学院  化学化工学院,江西  九江  332005;2.  江西省生态化工工程技术研究中心,江西  九江  332005)
                 摘要:以偏苯三甲酸和 Co(NO 3 ) 2 •6H 2 O 为原料,通过溶剂热法合成了一种钴基金属有机聚合物(Co-MOP)。然
                 后对 Co-MOP 进行高温(500、600、700  ℃)煅烧得到 Co-MOP 衍生材料(Co-MOP-500、Co-MOP-600、
                 Co-MOP-700)。采用 XRD、SEM、TEM、XPS、BET 对 Co-MOP 及其衍生材料进行了结构和形貌表征。将 Co-MOP
                 衍生材料用作锂离子电池负极材料,并进行了电化学性能测试。结果表明,Co-MOP 衍生材料均为 Co 3 O 4 ,
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                 Co-MOP-600 形成了较为稳定结构的多孔球,较好地保持了 Co-MOP 的形貌,其比表面积为 19.9 m /g。
                 Co-MOP-600 具有优异的电化学性能。在 100 mA/g 电流密度下,Co-MOP-600 电极的首圈放电比容量达到 1818.5
                 mA·h/g,循环 100 圈后其比容量还能维持在 1308.5 mA·h/g,Co-MOP-600 稳定的多孔球形结构为锂离子的储存
                 提供了更多的活性位点和运输通道。
                 关键词:钴基金属有机聚合物;Co 3 O 4 ;负极材料;锂离子电池;有机电化学与工业
                 中图分类号:TQ317;TM912                    文献标识码:A
                 文章编号:1003-5214 (2021) 11-2354-06       开放科学 (资源服务)  标识码 (OSID):



                          Preparation of metal organic polymer derived Co 3O 4 and
                                           its lithium storage properties


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                  CHEN Xiudong , KE Jiangnan , YAN Ping  1,2* , LIU Jinhang , WANG Yawei , YANG Zhipeng
                 (1. School of Chemistry and Chemical Engineering, Jiujiang University, Jiujiang 332005, Jiangxi, China; 2. Jiangxi
                 Province Engineering Research Center of Ecological Chemical Industry, Jiujiang 332005, Jiangxi, China)
                 Abstract: A cobalt-based metal-organic polymer (Co-MOP) was synthesized by solvothermal method using
                 trimellitic acid and Co(NO 3) 2•6H 2O as raw materials. Subsequently, Co-MOP  derivative materials
                 (Co-MOP-500, Co-MOP-600 and Co-MOP-700) were obtained via high-temperature (500, 600 and 700  ℃)
                 calcination. The structure and morphology of Co-MOP and its derivatives were characterized by XRD,SEM,
                 TEM, XPS and BET. The Co-MOP derived materials were used as anode material for lithium ion battery,
                 respectively, and their  electrochemical performance  was tested. The  results showed that these Co-MOP
                 derived materials were Co 3O 4. Co-MOP-600 formed a relatively stable structure of porous spheres with a
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                 specific surface area of 19.9 m /g, and  maintained the  morphology of Co-MOP  well. Co-MOP-600
                 exhibited excellent electrochemical performance.  At a current density of  100 mA/g, the first  discharge
                 specific capacity of Co-MOP-600 electrode reacheed 1818.5 mA·h/g, and the specific capacity could be
                 maintained at  1308.5 mA·h/g after  100 cycles. The stable porous spherical structure of Co-MOP-600
                 provided more active sites and transport channels for lithium ion storage.
                 Key words: cobalt-base metal organic polymers; Co 3 O 4 ; anode materials; lithium ion battery; electro-organic
                 chemistry and industry


                 随着化石燃料的日益减少,寻求高效储能器件                          成为当前研究的热点。目前,研究者们已开发了许

                 收稿日期:2021-06-21;  定用日期:2021-08-16; DOI: 10.13550/j.jxhg.20210641
                 基金项目:国家自然科学基金(22065017,21864015);江西省自然科学基金(20202BABL213012);大学生创新创业计划项目
                 (202011843021,S202011843020);江西省教育厅科学基金(GJJ190928);九江市科技计划项目(S2021QNZZ020,S2021TDJS009)
                 作者简介:陈修栋(1989—),男,讲师,E-mail:chenxiudong_@126.com。联系人:严   平(1964—),男,教授,E-mail:ypjjtu@126.
                 com;刘金杭(1985—),男,讲师,E-mail:429162235@qq.com。
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