Since the 1990s, self-powered technology (SPT) for micro devices has gained more attention in niche academic circles; however, breakthrough research was very rare until the piezoelectric nanogenerator (PENG) was invented around 2007. Recently, with substantial development of pervasive/ubiquitous computing technology in recent decades, the relevant applications in areas such as cloud computing, the Internet of Things, remote sensing, and remote healthcare have entered people's lives and gradually become prevalent. Furthermore, determining how to continuously supply power to those micro devices or components embedded into vehicles, mini-sensors, or heart pacemakers has also become a critical issue. Self-powered technology based on nanogenerators appears to be a promising development opportunity, particularly after another better nanogenerator; namely, the triboelectric nanogenerator, was invented around 2011, at which point the relevant studies of SPT appeared to enter a new era. To further visualize the knowledge profile of SPT, an integrated approach is proposed in this paper, and knowledge-mapping of SPT is also illustrated. Accompanying the SPT knowledge profiling, new phenomena and implications are revealed.

自1990年代以来，用于微型设备的自供电技术（SPT）在利基学术界引起了越来越多的关注。但是，直到2007年左右发明压电纳米发电机（PENG）之前，突破性的研究才很少。近来，随着近几十年来普适/普适计算技术的蓬勃发展，云计算，物联网，远程等领域的相关应用得到了广泛的应用。感应和远程医疗已进入人们的生活，并逐渐普及。此外，确定如何持续向嵌入在车辆，微型传感器或心脏起搏器中的那些微型设备或组件供电的方法也已成为一个关键问题。基于纳米发电机的自供电技术似乎是一个有前途的发展机遇，特别是在又一台更好的纳米发电机之后。即，摩擦电纳米发电机在2011年左右发明，此时SPT的相关研究似乎进入了一个新时代。为了进一步可视化SPT的知识概况，本文提出了一种集成方法，并说明了SPT的知识映射。伴随着SPT知识剖析，揭示了新的现象和含义。