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Structuring PEDOT Hollow Nanosphere Electrodes for High Specific Energy Li-Metal|Polymer Thin-Film Batteries
ACS Applied Nano Materials ( IF 5.3 ) Pub Date : 2020-04-02 , DOI: 10.1021/acsanm.0c00538 Junaiz Rehmen 1 , Thushan Pathirana 2 , Laura Garcia-Quintana 2 , Robert Kerr 2 , Patrick C. Howlett 2 , Kamil Zuber 1 , Cristina Pozo-Gonzalo 2 , Drew R. Evans 1
ACS Applied Nano Materials ( IF 5.3 ) Pub Date : 2020-04-02 , DOI: 10.1021/acsanm.0c00538 Junaiz Rehmen 1 , Thushan Pathirana 2 , Laura Garcia-Quintana 2 , Robert Kerr 2 , Patrick C. Howlett 2 , Kamil Zuber 1 , Cristina Pozo-Gonzalo 2 , Drew R. Evans 1
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Vapor deposition of tosylate-doped poly(3,4-ethylenedioxythiophene) (PEDOT) has been templated to create hollow nanosphere coatings on carbon paper electrodes. The electrochemistry of the PEDOT hollow nanosphere coatings were characterized in nonvolatile and nonflammable Li-based N-methyl-N-propyl pyrrolidinium bis(fluorosulfonyl)imide electrolytes. These electrodes exhibit high electrochemical activity for the given deposited mass owing to their heightened electrochemical active area. Furthermore, a multilayer of PEDOT hollow nanospheres as the cathode in a Li coin cell provides stability during repeated charge–discharge cycling against a Li–metal foil anode. With performance equivalent to the theoretical limit for PEDOT (140 mA h g–1), the Li|PEDOT cell has a significant specific energy of ∼340 W h/kg. These results give insights into the fabrication and use of nanostructured vapor-deposited conducting polymers for energy storage devices.
中文翻译：
用于高比能锂金属|聚合物薄膜电池的PEDOT空心纳米球电极的结构
甲苯磺酸盐掺杂的聚（3,4-乙撑二氧噻吩）（PEDOT）的气相沉积已被模板化，可在碳纸电极上形成空心纳米球涂层。PEDOT中空纳米球涂层的电化学特性是在不挥发和不易燃的锂基N-甲基-N-丙基吡咯烷鎓双（氟磺酰基）酰亚胺电解质中表征的。这些电极由于其增加的电化学活性面积而对于给定的沉积质量表现出高的电化学活性。此外，在锂纽扣电池中，多层PEDOT中空纳米球作为阴极可在与锂金属箔阳极反复进行的充放电循环过程中提供稳定性。性能相当于PEDOT的理论极限（140 mA hg –1），Li | PEDOT电池具有约340 W h / kg的显着比能。这些结果使人们洞悉了用于能量存储设备的纳米结构气相沉积导电聚合物的制造和使用。
更新日期：2020-04-02
中文翻译：
用于高比能锂金属|聚合物薄膜电池的PEDOT空心纳米球电极的结构
甲苯磺酸盐掺杂的聚（3,4-乙撑二氧噻吩）（PEDOT）的气相沉积已被模板化，可在碳纸电极上形成空心纳米球涂层。PEDOT中空纳米球涂层的电化学特性是在不挥发和不易燃的锂基N-甲基-N-丙基吡咯烷鎓双（氟磺酰基）酰亚胺电解质中表征的。这些电极由于其增加的电化学活性面积而对于给定的沉积质量表现出高的电化学活性。此外，在锂纽扣电池中，多层PEDOT中空纳米球作为阴极可在与锂金属箔阳极反复进行的充放电循环过程中提供稳定性。性能相当于PEDOT的理论极限（140 mA hg –1），Li | PEDOT电池具有约340 W h / kg的显着比能。这些结果使人们洞悉了用于能量存储设备的纳米结构气相沉积导电聚合物的制造和使用。
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