Increasing the adhesion force of electrostatic adhesives using optimized electrode geometry and a novel manufacturing process

Versatile Soft Grippers with Intrinsic Electroadhesion Based on Multifunctional Polymer Actuators

“…The novel DEA design shows advantage for grasping application over traditional DEA design as it can produce up to 10 times higher electroadhesion forces at the cost of only ~20 % reduction in actuation performance. The total electroadhesion force generated from our DEA design, a bilayer offset interdigitated electrodes, can be much higher (order of several times) by optimizing the electrode geometry such as the gap and the segmented electrode width, and the thickness of the passive layer (Figure 4b-c), as has been suggested in electroadhesion devices with single surface electrode [50,[52][53][54] . The sensing capability of the device (Supplementary Figure S2) makes it an active smart skin enabling shape recognition to understand the object geometry when such information cannot be provided.…”

Geometric Optimisation of Electroadhesive Actuators Based on 3D Electrostatic Simulation and its Experimental Verification

“…For conductive substrates, the electroadhesive forces are generated mainly by electrostatic induction. For insulating substrates, the electroadhesive forces are generated mainly by electric polarization [3].…”

Symmetrical electroadhesives independent of different interfacial surface conditions

“…These electrode geometries include one-electrode designs, doubleelectrode designs, comb shape designs, spiral shape designs, and concentric designs, among others. 16,17 Understanding the effect of surface interactions between the interfacial surfaces is of great importance in understanding any interfacial phenomenon, such as the electroadhesion phenomenon. The interfacial surface interaction is another important 11,18 but less comprehensively explored factor affecting the electroadhesive force obtainable.…”

“…11,12 Electrode pattern or electrode geometry is one of the main factors influencing the obtainable electroadhesive forces. 16,17 Various electrode patterns have been designed and implemented for electroadhesive applications. These electrode geometries include one-electrode designs, doubleelectrode designs, comb shape designs, spiral shape designs, and concentric designs, among others.…”