Abstract:
A composite cathode active material includes: a core including a material capable of intercalation and deintercalation of lithium; and a first coating layer on at least one portion of the core, where the first coating layer includes zirconium oxide. A lithium battery includes a cathode including the composite cathode active material. Methods of preparing the composite cathode active material are also disclosed.
Abstract:
A solar cell according to an example embodiment includes: a substrate; a plurality of first electrodes formed on the substrate and separated by a plurality of first separation grooves; a barrier layer formed in each of the first separation grooves; a photoactive layer formed on the first electrode and the barrier layer and including a through-groove that exposes a neighboring first electrode; and a second electrode formed on the photoactive layer and electrically connected with a neighboring first electrode through the through-groove.
Abstract:
A solar cell array includes: a substrate; a plurality of first electrodes on the substrate and separated from each other; a photoactive layer on each of the first electrodes; and a second electrode on each of the photoactive layers. The photoactive layer includes a gap exposing a neighboring one of the first electrodes. The second electrode is electrically coupled to the neighboring one of the first electrodes at the gap. At least two of the plurality of first electrodes have sizes different from each other.
Abstract:
A composite cathode active material includes: a core including a material capable of intercalation and deintercalation of lithium; and a first coating layer on at least one portion of the core, where the first coating layer includes zirconium oxide. A lithium battery includes a cathode including the composite cathode active material. Methods of preparing the composite cathode active material are also disclosed.
Abstract:
A composite cathode active material including a core comprising a lithium compound, and a coating layer formed on at least one portion of the core and including at least two oxide phases having different structures, a cathode and a lithium battery including the same, and a method of preparing the composite cathode active material.
Abstract:
A solar cell and a method of fabricating a solar cell. A solar cell including a substrate; a first electrode layer on the substrate; a light absorbing layer on the first electrode layer; an alloy layer between the first electrode layer and the light absorbing layer; a buffer layer on the light absorbing layer; a first through-hole formed through the buffer layer, the light absorbing layer, the alloy layer, and the first electrode layer to the substrate; and an insulating barrier in at least one portion of the first through-hole.
Abstract:
A composite cathode active material including a core comprising a lithium compound, and a coating layer formed on at least one portion of the core and including at least two oxide phases having different structures, a cathode and a lithium battery including the same, and a method of preparing the composite cathode active material.
Abstract:
Disclosed herein is a solar cell, the solar cell includes a substrate, a plurality of first electrodes formed on the substrate and separated into a plurality of first separation grooves, a buffer layer and an optical active layer formed on the first electrode and having a through groove exposing the first electrode adjacent thereto, and a plurality of second electrodes formed on the optical active layer, separated into a plurality of second separation grooves, and electrically connected to the first electrode through the through groove, wherein the first electrode or the second electrode is divided by a plurality of third separation groove formed in a direction intersecting with the first separation groove, the through groove, and the second separation groove.