A Soft‐Soft Contact Triboelectric Nanogenerator with a Ternary Four‐Phase Structure for Self‐Powered High‐Efficiency Dust Removal on Mars by Fei Yang, Zheping Wang, Boyi Xu, Yifan Lu, Xuyan Hou, Jinsui Xu, Zhijie Xie

“…The device's double‐stacked soft‐soft contact structure outputs high‐voltage electricity in four phases, generating a traveling wave electric field on the electrode surface. …”
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