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Rechargeable Na/Cl_2 and Li/Cl_2 batteries

机译：可充电NA / CL_2和LI / CL_2电池

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摘要

Lithium-ion batteries (LIBs) are widely used in applications ranging from electric vehicles to wearable devices. Before the invention of secondary LIBs, the primary lithium-thionyl chloride (Li-SOCl2) battery was developed in the 1970s using SOCl2 as the catholyte, lithium metal as the anode and amorphous carbon as the cathode(1-7). This battery discharges by lithium oxidation and catholyte reduction to sulfur, sulfur dioxide and lithium chloride, is well known for its high energy density and is widely used in real-world applications; however, it has not been made rechargeable since its invention(8-13). Here we show that with a highly microporous carbon positive electrode, a starting electrolyte composed of aluminium chloride in SOCl2 with fluoride-based additives, and either sodium or lithium as the negative electrode, we can produce a rechargeable Na/Cl-2 or Li/Cl-2 battery operating via redox between mainly Cl-2/Cl- in the micropores of carbon and Na/Na+ or Li/Li+ redox on the sodium or lithium metal. The reversible Cl-2/NaCl or Cl-2/LiCl redox in the microporous carbon affords rechargeability at the positive electrode side and the thin alkali-fluoride-doped alkali-chloride solid electrolyte interface stabilizes the negative electrode, both are critical to secondary alkali-metal/Cl-2 batteries.Rechargeable Na/Cl-2 and Li/Cl-2 batteries are produced with a microporous carbon positive electrode, aluminium chloride in thionyl chloride as the electrolyte, and either sodium or lithium as the negative electrode.
机译：锂离子电池（LIBS）广泛用于从电动车辆到可穿戴设备的应用中。在本发明的二级客厅之前，使用SoCl2作为阴极电解液，作为阴极的阳极和非晶碳（1-7）在20世纪70年代中开发了初级锂 - 亚硫酰氯（Li-Socl2）电池。这种电池通过锂氧化和阴极电解液还原到硫，二氧化硫和氯化锂，其高能量密度是众所周知的，并且广泛用于现实世界应用;然而，自发明（8-13）以来，它尚未进行可充电。在这里，我们表明，通过高度微孔碳正极，通过氟化物的添加剂和作为负极的氯化氢或锂作为负极的Socl2中的氯化铝组成的起始电解质，我们可以产生可充电Na / Cl-2或Li / CL-2电池在钠或锂金属中主要通过Cl-2 / Cl-在碳和Na / Na +或Li / Li +氧化还原的微孔之间进行的氧化还原。在微孔碳中的可逆Cl-2 / NaCl或Cl-2 / LiCl氧化还原在正电极侧和薄的碱氟酰·掺杂的碱 - 氯化物固体电解质界面稳定为负电极，两者对二次碱性至关重要 - 使用微孔碳正极，亚硫酰氯中的氯化铝作为电解质，以及作为负极的钠或锂作为负电极制备高氧化碳正电极，氯化铝的电池。

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  • 来源
    《Nature》 |2021年第7873期|525-530|共6页
  • 作者

    Zhu Guanzhou; Tian Xin; Tai Hung-Chun; Li Yuan-Yao; Li Jiachen; Sun Hao; Liang Peng; Angell Michael; Huang Cheng-Liang; Ku Ching-Shun; Hung Wei-Hsuan; Jiang Shi-Kai; Meng Yongtao; Chen Hui; Lin Meng-Chang; Hwang Bing-Joe; Dai Hongjie;

  • 作者单位

    Stanford Univ Dept Chem & Bio X Stanford CA USA;

    Stanford Univ Dept Chem & Bio X Stanford CA USA;

    Natl Chung Cheng Univ Dept Chem Engn Chiayi Taiwan;

    Natl Chung Cheng Univ Dept Chem Engn Chiayi Taiwan;

    Stanford Univ Dept Chem & Bio X Stanford CA USA;

    Stanford Univ Dept Chem & Bio X Stanford CA USA;

    Stanford Univ Dept Chem & Bio X Stanford CA USA;

    Stanford Univ Dept Chem & Bio X Stanford CA USA;

    Natl Chung Cheng Univ Dept Chem Engn Chiayi Taiwan|Natl Synchrotron Radiat Res Ctr Hsinchu Taiwan;

    Natl Cent Univ Inst Mat Sci & Engn Taoyuan Taiwan;

    Natl Taiwan Univ Sci & Technol Dept Chem Engn Taipei Taiwan;

    Stanford Univ Dept Chem & Bio X Stanford CA USA;

    Shandong Univ Sci & Technol Coll Elect Engn & Automat Qingdao Peoples R China;

    Shandong Univ Sci & Technol Coll Elect Engn & Automat Qingdao Peoples R China;

    Natl Taiwan Univ Sci & Technol Dept Chem Engn Taipei Taiwan;

    Stanford Univ Dept Chem & Bio X Stanford CA USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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