An electrode can comprise carbon black and one of polydimethylsiloxane (PDMS) or PVA, wherein the carbon black has a weight of between 10% and 50% of a weight of the PDMS or PVA. The electrode can be suitable for bioelectronics. A pattern of hydrogel can be deposited on the electrode for providing adhesion to a subject. The electrode can be used in wound treatment and/or monitoring devices or in various other bioelectronics applications.

A dry electrode and a wearable device are configured to improve the adhesiveness with a skin. The dry electrode includes: an electrode core; and an electrode pad that is conducted to the electrode core, in which the electrode core includes a plate portion that is surrounded by the electrode pad, and a core main body portion that protrudes from the plate portion, and is at least partially exposed to an outside of the electrode pad, and the electrode pad includes conductive rubber or a conductive elastomer having a volume resistivity of 0.5 to 10.0 Ω.Math.cm.

A dry electrode and a wearable device are configured to improve the adhesiveness with a skin. The dry electrode includes: an electrode core; and an electrode pad that is conducted to the electrode core, in which the electrode core includes a plate portion that is surrounded by the electrode pad, and a core main body portion that protrudes from the plate portion, and is at least partially exposed to an outside of the electrode pad, and the electrode pad includes conductive rubber or a conductive elastomer having a volume resistivity of 0.5 to 10.0 Ω.Math.cm.

A conductive composition includes a binding resin and a conductive polymer, wherein the conductive polymer has a quinoid structure and a benzoid structure, and wherein a ratio of a half-width value of a peak intensity corresponding to the benzoid structure to a half width of a peak intensity corresponding to the quinoid structure in Raman spectra obtained by Raman spectroscopy is 0.5 to 12.

A conductive composition includes a binding resin and a conductive polymer, wherein the conductive polymer has a quinoid structure and a benzoid structure, and wherein a ratio of a half-width value of a peak intensity corresponding to the benzoid structure to a half width of a peak intensity corresponding to the quinoid structure in Raman spectra obtained by Raman spectroscopy is 0.5 to 12.

Provided are composite array electrode, preparation method thereof and use thereof. The composite array electrode comprises a microelectrode array substrate, and a modification layer formed on a surface of a microelectrode of the microelectrode array substrate, wherein the modification layer comprises a plurality of electrically conductive layers arranged at intervals on the surface of the microelectrode, an insulating layer arranged on the surface of the microelectrode except the electrically conductive layers, and wherein material for the electrically conductive layers comprises one or more of nano platinum, nano iridium, conductive polymer and carbon nanotubes. The composite array electrode effectively eliminates the influence of edge effect such that the electric field distributes uniformly on the microelectrode surface of the composite array electrode, significantly improving electrochemical performance and detection capability of the electrode.

Provided are composite array electrode, preparation method thereof and use thereof. The composite array electrode comprises a microelectrode array substrate, and a modification layer formed on a surface of a microelectrode of the microelectrode array substrate, wherein the modification layer comprises a plurality of electrically conductive layers arranged at intervals on the surface of the microelectrode, an insulating layer arranged on the surface of the microelectrode except the electrically conductive layers, and wherein material for the electrically conductive layers comprises one or more of nano platinum, nano iridium, conductive polymer and carbon nanotubes. The composite array electrode effectively eliminates the influence of edge effect such that the electric field distributes uniformly on the microelectrode surface of the composite array electrode, significantly improving electrochemical performance and detection capability of the electrode.

A surface electrode for patient monitoring includes a flexible substrate, a dry electrode on the substrate, and a wet electrode configured to contact an electrode gel in contact with a patient's skin. A conductive epoxy is arranged between the dry electrode and the wet electrode. The conductive epoxy is configured to protect the dry electrode from corrosion and transfer electrical potentials from the wet electrode to the printed dry electrode.

A biomedical sensor system is disclosed that includes a high impedance conductive electrode having an electrode impedance of at least about 20 kΩ/sq-mil, and a dielectric material on a first side of the electrode for receiving a discharge of an electrical signal from the dielectric material responsive to the presence of a time varying signal adjacent a second side of the dielectric material that is opposite the first side.

A wearable device for assisting a human body movement according to an embodiment of the present disclosure includes a sensor including an inner electrode arranged at a center of an arbitrary circle, a plurality of outer electrodes arranged at regular intervals in a circumferential direction at positions spaced apart from the inner electrode in a radial direction so as to be arranged on a circumference of the circle, and a plurality of deformation elements disposed between the inner electrode and each of the outer electrodes and formed of a material whose resistance is changed by deformation; a controller configured to apply different control signals to an actuator according to a combination of different resistance values of the deformation elements of the sensor; and the actuator operating based on the control signals of the controller.