Electrostatic air filtration by multifunctional dielectric heterocaking filters with ultralow pressure drop

E Tian, F Xia, J Wu, Y Zhang, J Li… - ACS applied materials …, 2020 - ACS Publications
In air filtration, for creating healthy indoor air, there is an intrinsic conflict between high
filtration efficiency and low wind pressure drop. In this study, we overcame this conflict by …

Electrically responsive coarse filters endowed by high-dielectric-constant surface coatings toward efficient removal of ultrafine particles and ozone

Y Gao, E Tian, J Mo - ACS ES&T Engineering, 2021 - ACS Publications
Ambient ultrafine particles (UFPs) cause severe health threats, and UFPs can transport in
indoor environments through building envelopes. In building HVAC (heating, ventilation …

Transparent metallized microfibers as recyclable electrostatic air filters with ionization

MW Kim, S An, H Seok, AL Yarin… - ACS applied materials & …, 2020 - ACS Publications
Air-quality control remains a major environmental concern as polluted air is a threat to public
safety and health in major industrialized cities. To filter pollutants, fibrous filters employing …

Efficiently remove submicron particles by a novel foldable electrostatically assisted air coarse filter

J Mo, Y Gu, E Tian - Separation and Purification Technology, 2022 - Elsevier
Electrostatic assisted air (EAA) coarse filters combine the benefits of electrostatic
precipitators and fibrous filters, achieving high filtration efficiency for submicron particulate …

Antimicrobial nanoparticle-coated electrostatic air filter with high filtration efficiency and low pressure drop

KM Sim, HS Park, GN Bae, JH Jung - Science of The Total Environment, 2015 - Elsevier
In this study, we demonstrated an antimicrobial nanoparticle-coated electrostatic (ES) air
filter. Antimicrobial natural-product Sophora flavescens nanoparticles were produced using …

Experimental study of a compact electrostatically assisted air coarse filter for efficient particle removal: Synergistic particle charging and filter polarizing

E Tian, J Mo, Z Long, H Luo, Y Zhang - Building and Environment, 2018 - Elsevier
Efficient particle removal technology with minimal pressure drop is urgently needed for both
air purification and energy conservation. We developed a compact electrostatically assisted …

Needle-punched electret air filters (NEAFs) with high filtration efficiency, low filtration resistance, and superior dust holding capacity

X Zhang, Y Wang, W Liu, X Jin - Separation and Purification Technology, 2022 - Elsevier
Air purification can effectively capture particulate matter and reduce the health risk from
indoor air pollution. However, it remains a challenge to fabricate filtration materials with high …

Electrostatic transparent air filter membranes composed of metallized microfibers for particulate removal

MW Kim, S An, H Seok, SS Yoon… - ACS applied materials & …, 2019 - ACS Publications
Particulate matter (PM) from ever-increasing industrialization poses a great public health
risk. Although fiber-based filters are used effectively to block PM, filters with high packing …

Al-coated conductive fibrous filter with low pressure drop for efficient electrostatic capture of ultrafine particulate pollutants

DY Choi, SH Jung, DK Song, EJ An… - … applied materials & …, 2017 - ACS Publications
Here, we demonstrate a new strategy of air filtration based on an Al-coated conductive
fibrous filter for high efficient nanoparticulate removals. The conductive fibrous filter was …

Thermal-resist hydro-charged air filters (HCAFs) with charge stability for long-term efficient fine particle removal

X Zhang, Y Wang, R Ni, H Zhang, J Liu, Y Zhao… - Separation and …, 2022 - Elsevier
Fibrous air filters are widely equipped air freshening material in individual protective masks
and air purifiers to regulate air quality and protect people from health hazards. To further …