EQ Han

Sep 17, 2023 | onlinelibrary.wiley.com | Nanotechnology The |Miaoqiang Lyu |Eunyoung Choi |EQ Han

1 Introduction With the advent of the Internet of Things (IoT) era, there has been a rapid expansion in the installation of wireless electronic devices with an estimation of over 75 billion IoT devices to be established by 2025.[1] The rapid growth of wireless IoT devices has posed a high demand for off-the-grid power systems to realize easy integration and cost-effective operation.