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海藻酸钠粘结剂用于钠离子电池红磷-碳负极
引用本文:赵林静,赵庆,牛志强,梁静,陶占良,陈军.海藻酸钠粘结剂用于钠离子电池红磷-碳负极[J].无机化学学报,2016,32(6):929-934.
作者姓名:赵林静  赵庆  牛志强  梁静  陶占良  陈军
作者单位:南开大学化学学院, 先进能源材料化学教育部重点实验室, 天津 300071,南开大学化学学院, 先进能源材料化学教育部重点实验室, 天津 300071,南开大学化学学院, 先进能源材料化学教育部重点实验室, 天津 300071,南开大学化学学院, 先进能源材料化学教育部重点实验室, 天津 300071,南开大学化学学院, 先进能源材料化学教育部重点实验室, 天津 300071,南开大学化学学院, 先进能源材料化学教育部重点实验室, 天津 300071
基金项目:国家自然科学基金(No.21231005、51231003)、天津科技计划(No.12ZCZDJC35300、13JCQNJC06400)和先进能源材料化学"111计划"资助项目。
摘    要:通过球磨法制备了红磷-碳(P-C)复合材料,并考察了海藻酸钠(SA)粘结剂用于钠离子电池P-C负极的电化学性能。结果表明,相对于聚偏氟乙烯(PVDF)粘结剂,SA粘结剂使P-C电极展示了较高的可逆容量(在0.1 A·g~(-1)的电流密度下循环20圈后的容量为2 126 m Ah·g~(-1))。使用SA作粘接剂的P-C复合材料优越的电化学性能,归因于SA粘结剂与活性物质之间可能存在的化学作用力,有效缓解了红磷脱嵌钠过程中的体积变化,保持了电极的稳定性。

关 键 词:海藻酸钠  粘结剂  红磷-碳  负极材料  钠离子电池
收稿时间:2016/3/16 0:00:00
修稿时间:2016/4/15 0:00:00

Sodium Alginate Binder for Red Phosphorus-Carbon Anode of Sodium Ion Batteries
ZHAO Lin-Jing,ZHAO Qing,NIU Zhi-Qiang,LIANG Jing,TAO Zhan-Liang and CHEN Jun.Sodium Alginate Binder for Red Phosphorus-Carbon Anode of Sodium Ion Batteries[J].Chinese Journal of Inorganic Chemistry,2016,32(6):929-934.
Authors:ZHAO Lin-Jing  ZHAO Qing  NIU Zhi-Qiang  LIANG Jing  TAO Zhan-Liang and CHEN Jun
Institution:Key Laboratory of Advanced Energy Materials Chemistry Ministry of Education, College of Chemistry, Nankai University, Tianjin 300071, China,Key Laboratory of Advanced Energy Materials Chemistry Ministry of Education, College of Chemistry, Nankai University, Tianjin 300071, China,Key Laboratory of Advanced Energy Materials Chemistry Ministry of Education, College of Chemistry, Nankai University, Tianjin 300071, China,Key Laboratory of Advanced Energy Materials Chemistry Ministry of Education, College of Chemistry, Nankai University, Tianjin 300071, China,Key Laboratory of Advanced Energy Materials Chemistry Ministry of Education, College of Chemistry, Nankai University, Tianjin 300071, China and Key Laboratory of Advanced Energy Materials Chemistry Ministry of Education, College of Chemistry, Nankai University, Tianjin 300071, China
Abstract:Red phosphorus-carbon (P-C) composite has been prepared by a ball-milling method. By using sodium alginate (SA) as the binder, the electrochemical performance of P-Ccomposite as anode for sodium ion batteries is investigated. The results show that P-Ccomposite electrode with SAas the binder displays a higher reversible capacity (at the current density of 0.1 A·g-1, a discharge capacity of 2126 mAh·g-1 was obtained after 20 cycles), compared to the case of PVDFbinder. The P-Ccomposite exhibits improved electrochemical performance, mainly due to that chemical interactions exist between SAbinder and active materials. This could effectively buffer the volume change of Pduring charge/discharge process and maintain the stability of the electrode.
Keywords:sodium alginate  binder  red phosphorus-carbon  anode materials  sodium-ion batteries
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