The electrolytic capacitor has a conductive sheet with a central portion defined by a peripheral edge, a first tail extending out from the peripheral edge in a first direction, and a second tail extending out from the peripheral edge in a second direction. The second direction is opposite the first direction. The first tail and the second tail each have a free end with a first recess at the free.

A capacitor element that has an anode body, a dielectric oxide film layer covering the anode body, and a cathode body formed on the dielectric oxide film layer; an exterior body that covers the capacitor element; a contact layer that is on an anode terminal, which is an end portion of the anode body, and has a surface with a predetermined surface roughness; and an anode-side electrode layer that covers the surface are provided.

A solid electrolytic capacitor element includes an anode body including a porous part, a dielectric layer, and a cathode part. The cathode part includes a solid electrolyte layer covering the dielectric layer. The anode body includes a first anode body part on which the solid electrolyte layer is disposed and a second anode body part on which the solid electrolyte layer is not disposed. The solid electrolyte layer includes a first solid electrolyte layer disposed in the porous part and a second solid electrolyte layer disposed outside the porous part. When a length of the first anode body part in a longitudinal direction thereof is defined as a length L, a thickness of the second solid electrolyte layer in a first region is more than or equal to 1 μm. The first region is a region between boundary between the first anode body part and the second anode body part and a position located away from boundary in a length 0.05L in the first anode body part.

A solid electrolytic capacitor element that includes: an anode plate having a first main surface and a second main surface which oppose each other in a thickness direction thereof, and made of a valve-action metal; a porous layer on at least one main surface of the anode plate; a dielectric layer on a surface of the porous layer; a cathode layer including a solid electrolyte layer on a surface of the dielectric layer; and a stress relaxation layer, wherein in a plan view of the first main surface, at least a portion of the stress relaxation layer overlaps with the anode plate, and the portion of the stress relaxation layer does not overlap with the cathode layer.

A solid electrolytic capacitor element that includes: an anode plate having a first main surface and a second main surface which oppose each other in a thickness direction thereof, and made of a valve-action metal; a porous layer on at least one main surface of the anode plate; a dielectric layer on a surface of the porous layer; a cathode layer including a solid electrolyte layer on a surface of the dielectric layer; and a stress relaxation layer, wherein in a plan view of the first main surface, at least a portion of the stress relaxation layer overlaps with the anode plate, and the portion of the stress relaxation layer does not overlap with the cathode layer.

There is provided a system for measuring a property of a sample that comprises a test strip for collecting the sample; a diagnostic measuring device configured to receive the test strip and measure a concentration of an analyte in the sample received on the test strip; and the diagnostic measuring device further comprising a processor programmed to execute an analyte correction for correcting a measurement of the sample due to one or more interferents, comprising: calculating an interferent impedance measurement including a magnitude measurement and a phase measurement using a switched capacitor accumulator to measure a phase angle; and adjusting the measurement of the analyte in the sample using that the calculated interferent impedance measurement.

There is provided a system for measuring a property of a sample that comprises a test strip for collecting the sample; a diagnostic measuring device configured to receive the test strip and measure a concentration of an analyte in the sample received on the test strip; and the diagnostic measuring device further comprising a processor programmed to execute an analyte correction for correcting a measurement of the sample due to one or more interferents, comprising: calculating an interferent impedance measurement including a magnitude measurement and a phase measurement using a switched capacitor accumulator to measure a phase angle; and adjusting the measurement of the analyte in the sample using that the calculated interferent impedance measurement.

A stacked solid electrolytic capacitor is provided in the present disclosure. The stacked solid electrolytic capacitor includes a capacitive module, a conductive module and a packaging structure. The capacitive module includes capacitive units stacked up sequentially. The conductive module includes a positive terminal, a negative terminal and at least one anti-oxidizing layer. The positive terminal is electrically connected to one of the capacitive units. The negative terminal is electrically connected to the one of the capacitive units through a conductive paste layer. The at least one anti-oxidizing layer is arranged between the negative terminal and the conductive paste layer. The packaging structure surrounds the capacitive module and the conductive module. Therefore, it is difficult for an oxide layer forming between the negative terminal and the capacitive units, and the equivalent series resistance of the stacked solid electrolytic capacitor can be reduced.

A stacked solid electrolytic capacitor is provided in the present disclosure. The stacked solid electrolytic capacitor includes a capacitive module, a conductive module and a packaging structure. The capacitive module includes capacitive units stacked up sequentially. The conductive module includes a positive terminal, a negative terminal and at least one anti-oxidizing layer. The positive terminal is electrically connected to one of the capacitive units. The negative terminal is electrically connected to the one of the capacitive units through a conductive paste layer. The at least one anti-oxidizing layer is arranged between the negative terminal and the conductive paste layer. The packaging structure surrounds the capacitive module and the conductive module. Therefore, it is difficult for an oxide layer forming between the negative terminal and the capacitive units, and the equivalent series resistance of the stacked solid electrolytic capacitor can be reduced.

A cell module stores electrical energy, a battery has such a cell module and a module housing for such a cell module. The module housing includes an internal space in which n cells each having at least one positive and at least one negative electrode are arranged. In this case, n≥2 and the module housing here has at least three external electrical connection poles. The battery includes at least two such cell modules. The module housing includes at least three apertures through which electrical conductors are guided from the inside of the module housing to the outside.