User profiles for Rujun Ma
Rujun MaSchool of Materials Science and Engineering, Nankai University, Tianjin, China Verified email at nankai.edu.cn Cited by 3426 |
Temperature-dependent dual-mode thermal management device with net zero energy for year-round energy saving
Q Zhang, Y Lv, Y Wang, S Yu, C Li, R Ma… - Nature …, 2022 - nature.com
Reducing needs for heating and cooling from fossil energy is one of the biggest challenges,
which demand accounts for almost half of global energy consumption, consequently …
which demand accounts for almost half of global energy consumption, consequently …
Highly efficient electrocaloric cooling with electrostatic actuation
Solid-state refrigeration offers potential advantages over traditional cooling systems, but few
devices offer high specific cooling power with a high coefficient of performance (COP) and …
devices offer high specific cooling power with a high coefficient of performance (COP) and …
Stretchable thermogalvanic hydrogel thermocell with record-high specific output power density enabled by ion-induced crystallization
Ionic thermocells have relatively high thermopowers based on the thermogalvanic effect, but
their small electricity output is still insufficient for practical applications. We demonstrated a …
their small electricity output is still insufficient for practical applications. We demonstrated a …
Flexible single-electrode triboelectric nanogenerators with MXene/PDMS composite film for biomechanical motion sensors
The increasing demand of portable electronics requires modern power sources to be flexible,
wearable, durable, and waterproof. This work reports a flexible single-electrode …
wearable, durable, and waterproof. This work reports a flexible single-electrode …
Morphological/nanostructural control toward intrinsically stretchable organic electronics
The development of intrinsically stretchable electronics poses great challenges in synthesizing
elastomeric conductors, semiconductors and dielectric materials. While a wide range of …
elastomeric conductors, semiconductors and dielectric materials. While a wide range of …
An active pixel‐matrix electrocaloric device for targeted and differential thermal management
More than 55% of electronic failures are caused by damage from localized overheating. Up
to now, there is still no efficient method for targeted temperature control against localized …
to now, there is still no efficient method for targeted temperature control against localized …
Recent progress of flexible/wearable self-charging power units based on triboelectric nanogenerators
The last several decades have witnessed the tremendous achievement of energy storage
devices such as batteries and supercapacitors in the field of charging portable electronic …
devices such as batteries and supercapacitors in the field of charging portable electronic …
Self-sustaining personal all-day thermoregulatory clothing using only sunlight
The human body must stay within a certain temperature range for comfort and safety. However,
challenges for thermoregulatory clothing exist for harsh application scenarios, such as …
challenges for thermoregulatory clothing exist for harsh application scenarios, such as …
Strong tough thermogalvanic hydrogel thermocell with extraordinarily high thermoelectric performance
…, P Bai, Y Mao, Q Li, J Guo, Y Fang, R Ma - Advanced …, 2023 - Wiley Online Library
Thermocells can continuously convert heat into electricity, and they are widely used to power
wearable electronic devices. However, they have a risk of leakage and poor mechanical …
wearable electronic devices. However, they have a risk of leakage and poor mechanical …
Electrostatic actuating double‐unit electrocaloric cooling device with high efficiency
Compact solid‐state refrigeration systems that offer a high specific cooling power and a
high coefficient of performance (COP) are desirable in a wide range of applications where …
high coefficient of performance (COP) are desirable in a wide range of applications where …