Thermoswitchable on-chip microsupercapacitors: one potential self-protection solution for electronic devices
Thermoswitchable on-chip microsupercapacitors: one potential self-protection solution for electronic devices
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DOI：
10.1039/c8ee00365c
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发表时间：
2018-07
影响因子：
32.5
通讯作者：
Panpan Zhang;Jinhui Wang;Wenbo Sheng;Faxing Wang;Jian Zhang;Feng Zhu;Xiaodong Zhuang;Rainer Jordan-R
中科院分区：
文献类型：
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作者：
Panpan Zhang;Jinhui Wang;Wenbo Sheng;Faxing Wang;Jian Zhang;Feng Zhu;Xiaodong Zhuang;Rainer Jordan-R
有效的热保护对于电子设备具有重要意义。在此，我们证明了一种新型的热开关微型超级电容器（TS-MSC）的自我保护功能，利用智能电解质，锂盐溶解的聚合物溶胶，聚（N-异丙基丙烯酰胺）-g-甲基纤维素的热力学行为。得益于离子电导率的可逆性，TS-MSC表现出宽的温度窗口（30-80 °C）和在80 °C下完全关闭的行为，以及在加热/冷却循环时优异的循环稳定性。此外，通过控制与计算机CPU相连的单个TS-MSC在不同的工作条件下，实现了片上集成MSC串联或并联的热保护。因此，TS-MSC在实际片上电子器件的热保护中是有前途的组件。
Efficient thermal protection is of great significance for electronic devices. Herein, we demonstrate a novel thermoswitchable microsupercapacitor (TS-MSC) with the self-protection function utilizing the thermodynamic behavior of a smart electrolyte, a lithium salt–dissolved polymer sol, poly(N-isopropylacrylamide)-g-methylcellulose. Benefiting from the reversibility of ionic conductivity, the TS-MSC exhibited a broad temperature window (30–80 °C) and totally switch-off behavior at 80 °C, as well as excellent cycling stability upon heating/cooling cycles. In addition, the thermal protection of on-chip integrated MSCs in series or parallel was achieved by controlling a single TS-MSC connected with a computer CPU under different working conditions. Therefore, TS-MSCs are promising components in the thermal protection of practical on-chip electronic devices.