A (r)evolutionary concept for low voltage plasma generation at atmospheric pressure

M. Teschke, J. Engemann
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Abstract

Summary form only given. A new and innovative concept for atmospheric pressure, low voltage plasma generation was presented recently. Different structures based on piezoelectric ceramics are proposed. All of them can directly be driven by low voltage (some 10 volts typically) at low frequency (typically some 10 kHz). This is very advantageous because of safety reasons as well as simple and cheap power supply systems. This technology has the potential becoming a bulk product e.g. in medical and handyman applications. The touch of plasma and plasma source is not harmful, because the electrical energy is distributed uniformly in the whole structure. Thus, the local electrical potential breaks down immediately and there is no risk for electrical shock. First prototypes are constructed successfully. However, technical challenges remain. For the functionality of these structures, the generation of a complex distribution of remanent polarization is necessary. This process is called poling. Only very simple methods are known from literature, so far. They are inappropriate for the presented structures and new poling techniques have been developed. Some will be presented and discussed in detail. Another challenge is the realization of complex, extended and glued structures needed for up-scaling. First promising results have been achieved and will be presented, too.
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常压下低压等离子体产生的进化概念
只提供摘要形式。最近提出了一种新的、创新的常压低压等离子体产生概念。提出了基于压电陶瓷的不同结构。所有这些都可以直接由低电压(通常约10伏)在低频率(通常约10千赫)驱动。这是非常有利的,因为安全的原因,以及简单和廉价的供电系统。这项技术有潜力成为大宗产品,例如在医疗和勤杂工应用中。等离子体和等离子体源的接触是无害的,因为电能在整个结构中分布均匀。因此,局部电位立即断开,没有触电的危险。第一个原型成功构建。然而,技术挑战依然存在。对于这些结构的功能,产生一个复杂的剩余极化分布是必要的。这个过程称为轮询。到目前为止,从文献中只知道非常简单的方法。它们不适合现有的结构,因此开发了新的极化技术。其中一些将被详细介绍和讨论。另一个挑战是实现规模扩大所需的复杂、扩展和粘接结构。第一批有希望的成果已经取得,也将被展示出来。
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