A method for electrostatic water condensation of wet air, comprising: a large number of positive and negative charges are respectively generated in two zones by means of positive and negative corona discharge; wet air enters independent positive and negative corona zones to cause water molecules to carry positive and negative charges, respectively; and after mixing, water molecules carrying positive and negative charges are attracted to each other and condense under the action of Coulomb force. An apparatus for electrostatic water condensation of wet air, comprising a trumpet-shaped inlet, an airflow distribution plate, a positive charge generator, a negative charge generator, a condenser, and a trumpet-shaped outlet, the condenser being disposed at the rear end of the positive charge generator and negative charge generator in the airflow direction. The method and apparatus for electrostatic water condensation of wet air can recycle water vapor while dehumidifying.

An air purification apparatus and methods of air purification and treatment using ionization is disclosed. In some embodiments, an ion generator apparatus comprises a modular electrode and a housing connected to the modular electrode. The modular electrode includes an elongated conduit body comprising a power receiving end and a conduit connecting end opposite the power receiving end; and a plurality of ion generating elements occupying different radial positions around a perimeter of the conduit body, the ion generating elements generating negative ions or positive ions in response to an applied alternating current. A first electrical connector on the power receiving end is connectable to a second electrical connector on the conduit connecting end of another conduit body, such that a plurality of conduit bodies can be connected together in a series. The housing is connected to a power receiving end of one of the conduit bodies of the modular electrode.

An air purification apparatus and methods of air purification and treatment using ionization is disclosed. In some embodiments, an ion generator apparatus comprises a modular electrode and a housing connected to the modular electrode. The modular electrode includes an elongated conduit body comprising a power receiving end and a conduit connecting end opposite the power receiving end; and a plurality of ion generating elements occupying different radial positions around a perimeter of the conduit body, the ion generating elements generating negative ions or positive ions in response to an applied alternating current. A first electrical connector on the power receiving end is connectable to a second electrical connector on the conduit connecting end of another conduit body, such that a plurality of conduit bodies can be connected together in a series. The housing is connected to a power receiving end of one of the conduit bodies of the modular electrode.

A multifunctional air pollution reduction device includes a tool and a multifunctional pollutant remover. The multifunctional pollutant remover is adjacent to or integrated with the tool. The multifunctional pollutant remover can not only reduce air pollution, but also help reduce one or more of the following problems when using the tools: noise, vibration and/or slip.

An electrical appliance having an electrostatic dust collecting device includes a main body including an inlet; a charging device disposed on the main body at an edge of the inlet and configured to charge contaminants in air; an air moving device disposed inside the main body and configured to suck air containing contaminants and exhaust the air to an outside; and a dust collecting device disposed in an air passage and configured to collect contaminants charged by the charging device from the air. The charging device includes a plurality of carbon fiber electrodes disposed toward the inlet and configured to generate electrons to charge contaminants; a printed circuit board on which the plurality of carbon fiber electrodes are disposed; and a ground electrode disposed adjacent to the printed circuit board without facing the plurality of carbon fiber electrodes.

An electrical appliance having an electrostatic dust collecting device includes a main body including an inlet; a charging device disposed on the main body at an edge of the inlet and configured to charge contaminants in air; an air moving device disposed inside the main body and configured to suck air containing contaminants and exhaust the air to an outside; and a dust collecting device disposed in an air passage and configured to collect contaminants charged by the charging device from the air. The charging device includes a plurality of carbon fiber electrodes disposed toward the inlet and configured to generate electrons to charge contaminants; a printed circuit board on which the plurality of carbon fiber electrodes are disposed; and a ground electrode disposed adjacent to the printed circuit board without facing the plurality of carbon fiber electrodes.

A method of forming a collection electrode for an electrostatic charging air cleaning device. The method includes forming a slurry including a carbon black powder material, a polymeric binder material and a liquid solvent material. The method further includes applying the slurry to a substrate material. The method also includes curing the slurry to obtain a coating layer on the substrate material to form the collection electrode.

A method of forming a collection electrode for an electrostatic charging air cleaning device. The method includes forming a slurry including a carbon black powder material, a polymeric binder material and a liquid solvent material. The method further includes applying the slurry to a substrate material. The method also includes curing the slurry to obtain a coating layer on the substrate material to form the collection electrode.

The present disclosure relates to a metal air filter including: a filter which is formed of a metallic material by electrodeposition and has a nano branch structure; an ionizer which conducts particles to be captured by the filter with negative charges; and a power supply which supplies a positive voltage for conducting the filter with positive charges and a negative voltage for the ionizer. The filter can be more simply manufactured at a lower cost than a conventional process.

The present disclosure relates to a metal air filter including: a filter which is formed of a metallic material by electrodeposition and has a nano branch structure; an ionizer which conducts particles to be captured by the filter with negative charges; and a power supply which supplies a positive voltage for conducting the filter with positive charges and a negative voltage for the ionizer. The filter can be more simply manufactured at a lower cost than a conventional process.