Abstract: This invention is directed to an inexpensive, miniaturized, portable, low-power device and method for electrophoretic separation and electrochemical detection of an analyte, including different isotopes of the same element. The invention replaces a conventional or microfabricated capillary electrophoresis tube with a microchip comprising an array of parallel electrophoretic separation nanotubes or aligned hollow channels fabricated in a porous substrate.

Abstract: This invention is directed to an inexpensive, miniaturized, portable, low-power device and method for electrophoretic separation and electrochemical detection of an analyte, including different isotopes of the same element. The invention replaces a conventional or microfabricated capillary electrophoresis tube with a microchip comprising an array of parallel electrophoretic separation nanotubes or aligned hollow channels fabricated in a porous substrate.

Abstract: The present disclosure relates to an electrode including an active material and a reduced graphene oxide-polymer aerogel. The present disclosure further relates to electrochemical devices, such as batteries, fuel cells, electrochemical sensors, and pseudocapacitance ultracapacitors containing such electrodes. The disclosure further relates to methods of forming and using the aerogels, electrodes, and electrochemical devices.

Abstract: The disclosure relates to an anode or an electrolytic capacitor electrode including an active anode material containing a chalcogen-containing-germanium composition in which the germanium:chalcogen atom ratio is between 80:20 and 98:2. The disclosure also relates to an anode including an active anode material containing a lithium and germanium-containing alloy wherein the lithium:germanium atom ratio is 22:5 or less. The anode also includes a non-cycling lithium chalcogenide. The disclosure further relates to lithium ion batteries including such anodes. The disclosure additionally relates to capacitor electrodes containing similar materials and capacitors containing such electrodes.

Abstract: The disclosure relates to an anode or an electrolytic capacitor electrode including an active anode material containing a chalcogen-containing-germanium composition in which the germanium:chalcogen atom ratio is between 80:20 and 98:2. The disclosure also relates to an anode including an active anode material containing a lithium and germanium-containing alloy wherein the lithium:germanium atom ratio is 22:5 or less. The anode also includes a non-cycling lithium chalcogenide. The disclosure further relates to lithium ion batteries including such anodes. The disclosure additionally relates to capacitor electrodes containing similar materials and capacitors containing such electrodes.