Hon Hai Precision Industry Co., Ltd.

Tsinghua University

Zhi-Ling Luo

Shou-Shan Fan

Chang-Hong Liu

An energy storage device is provided which includes a supercapacitor first electrode, a supercapacitor second electrode, a first electrolyte, a metal electrode, and a hydrophobic layer. The supercapacitor first electrode, the supercapacitor second electrode, and the first electrolyte together form a supercapacitor. The metal electrode is spaced apart from the supercapacitor first electrode to form a first gap, the metal electrode and the supercapacitor second electrode form an Ohmic contact. The hydrophobic layer is located on at least one portion of a surface of the supercapacitor first electrode and/or at least one portion of a surface of the supercapacitor second electrode.

Energy storage device

The disclosure relates to a self-charging device for energy harvesting and storage. The self-charging device for energy harvesting and storage includes a first electrode, a second electrode spaced from the first electrode, a solid electrolyte bridging the first electrode and the second electrode, and a water absorbing structure. The water absorbing structure is located on the second electrode, absorbs water from external environment and transmits the absorbed water to the solid electrolyte.

Self-charging device for energy harvesting and storage

An energy storage device is provided which includes a supercapacitor first electrode, a supercapacitor second electrode, a first electrolyte, a metal electrode, and a separator. The supercapacitor first electrode, the supercapacitor second electrode, and the first electrolyte together form a supercapacitor. The metal electrode and the supercapacitor second electrode form an Ohmic contact. The separator is sandwiched between the metal electrode and the supercapacitor first electrode and configured to absorb moisture in a surrounding environment.

A method for charging self-charging supercapacitor includes: providing a self-charging supercapacitor which includes a supercapacitor first electrode, a supercapacitor second electrode, a first electrolyte, and a metal electrode; the metal electrode and the supercapacitor second electrode form an Ohmic contact, the metal electrode is spaced apart from and opposite to the supercapacitor first electrode. Electrically connecting the metal electrode and the supercapacitor first electrode with a second electrolyte.

Method for charging self-charging supercapacitor

A self-charging supercapacitor is provided which includes a supercapacitor first electrode, a supercapacitor second electrode, a first electrolyte, and a metal electrode. The supercapacitor first electrode and the supercapacitor second electrode are parallel to and spaced apart from each other. A part of the metal electrode is Ohmic contacted with a surface of the supercapacitor second electrode, and another part of the metal electrode is disposed opposite to the supercapacitor first electrode.

Self-charging supercapacitor

A self-charging supercapacitor is provided which includes a supercapacitor first electrode, a supercapacitor second electrode, a first electrolyte, and a metal electrode. The supercapacitor first electrode and the supercapacitor second electrode are parallel to and spaced apart front each other. The metal electrode and the supercapacitor second electrode form an Ohmic contact, the metal electrode is spaced apart from and opposite to the supercapacitor first electrode.

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Beijing, China

Zhi-Ling Luo