Abstract:
A filter and a filter system including the filter. The filter includes a porous filter frame having a first upstream-side surface, and a second downstream-side surface based on a thickness direction, the porous filter frame filtering particulate matter. A copper material layer is disposed on at least a portion of the first upstream-side surface of the filter frame.
Abstract:
A polymer electrolyte for a lithium battery, the polymer electrolyte comprising a compound represented by Formula 1: wherein, in Formula 1, X1 to X6, Ar1, Ar2, R1, R2, m, and n are the same as defined in the detailed description of the present specification.
Abstract:
An outdoor air cleaning system includes a partition surrounding a purification space to isolate the purification space from an external space and having at least one opening connecting the purification space to the external space, an air purifying device configured to supply purified air to the purification space, and a controller configured to control the air purifying device. An openness level defined as an area ratio of the opening with respect to a surface area of the partition is about 10% or more and about 50% or less.
Abstract:
A electrochemical battery including: a battery module including one or more metal air cells which use oxygen gas as a positive electrode active material; an air supply configured to supply air to the battery module and to adjust an oxygen concentration in air supplied to the battery module; and a control unit configured to control an oxygen concentration adjusting operation of the air supply unit. Also a method of operating the electrochemical battery including: supplying air to a battery module using an air supply unit, the battery module including one or more metal air cells which use oxygen in air as a positive electrode active material; and controlling the air supply unit to adjust an oxygen concentration in the air supplied to the battery module.
Abstract:
A metal air battery includes an air purification module which communicates fluid to a battery cell module, purifies air flowing from an outside, and supplies the purified air to the battery cell module. The air purification module includes: a first air purifier which filters a first impurity of a plurality of impurities in the air flowing from the outside; and a second air purifier which filters a second impurity of the plurality of impurities, which is different from the first impurity.
Abstract:
A material for removing a contaminant, a filter for removing a contaminant including the material, and a device for removing a contaminant including the filter, the material including an adsorption material for adsorption of a contaminant and a decomposition material for decomposition of a contaminant, wherein the adsorption material and the decomposition material are complexed with each other, and a contaminant decomposition onset temperature of the decomposition material is equal to or lower than a contaminant desorption onset temperature of the adsorption material.
Abstract:
A positive electrode includes: a carbonaceous core; a coating layer including an electrolyte-philic organic compound on the carbonaceous core; a lithium salt; and an electrolyte, wherein the organic compound includes an imide functional group.
Abstract:
A metal-air battery includes a battery cell module which generates electricity through metal oxidation and oxygen reduction, a buffer tank which fluidly communicates with the battery cell module and has an internal pressure higher than an internal pressure of the battery cell module, and a first fluid intermittent portion which controls a flow of fluid from the battery cell module to an outside of the battery cell module, based on predetermined open and close periods.
Abstract:
An air purification module which purifies introduced unpurified air and discharge purified air, includes a first filter supporter extending in a first direction and having a penetrating shape including a first hollow region, a first filter which is supported by the first filter supporter and penetrates a side portion of the first filter supporter, a second filter supporter extending in the first direction, having a penetrating shape including a second hollow region, and disposed in the first hollow region, a second filter which is supported by the second filter supporter and penetrates a side portion of the second filter supporter, and a light source module disposed in the second hollow region.
Abstract:
Provided are an air purification module and an air purification system including the same. The air purification module is configured to purify influent unpurified air and discharge purified air and includes: a catalyst filter including a photocatalyst and an oxidation catalyst; and a light-emitting heat source disposed adjacent to the catalyst filter, wherein the light-emitting heat source irradiates, to the catalyst filter, light for activating the photocatalyst, and provides heat to activate the oxidation catalyst, and a temperature of the light-emitting heat source is higher than a temperature of the unpurified air.