Advanced Energy Materials

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3D‐Printed Conical Arrays of TiO2 Electrodes for Enhanced Photoelectrochemical Water Splitting
Advanced Energy Materials - Tập 7 Số 21 - 2017
Chong Lee, Adam C. Taylor, Stephen Beirne, Gordon G. Wallace
AbstractControl over the topography of semiconducting materials can lead to enhanced performances in photoelectrochemical related applications. One means of implementing this is through direct patterning of metal‐based substrates, though this is inadequately developed. Conventional techniques for patterned fabrication commonly involve technologically demanding and tedious processes. 3D printing, a... hiện toàn bộ
High‐Efficiency Anion Exchange Membrane Water Electrolysis Employing Non‐Noble Metal Catalysts
Advanced Energy Materials - Tập 10 Số 39 - 2020
Pengzuo Chen, Xile Hu
AbstractAlkaline anion exchange membrane (AEM) water electrolysis is a promising technology for producing hydrogen using renewable energies. However, current AEM electrolyzers still employ noble‐metal‐containing electrocatalysts, or have significant overpotential loss, or both. Here non‐noble‐metal electrocatalysts for both the hydrogen and oxygen evolution reactions (HER and OER) are developed. B... hiện toàn bộ
Ordered Mesoporous Intermetallic Trimetals for Efficient and pH‐Universal Hydrogen Evolution Electrocatalysis
Advanced Energy Materials - Tập 12 Số 30 - 2022
Yanzhi Wang, Hao Lv, Lizhi Sun, Fengrui Jia, Ben Liu
AbstractOrdered intermetallic platinum‐zinc (I‐PtZn) bimetals represent an emerging class of alloy electrocatalysts for water splitting and fuel cell electrocatalysis, but large‐scale commercial implementation has still been hindered by their catalytic activity and stability. Here, ordered mesoporous I‐PtZn bimetals are selectively substituted with 3d transition/main metals, termed MI‐PtZnM trimet... hiện toàn bộ
The Introduction of Fluorine and Sulfur Atoms into Benzotriazole‐Based p‐Type Polymers to Match with a Benzotriazole‐Containing n‐Type Small Molecule: “The Same‐Acceptor‐Strategy” to Realize High Open‐Circuit Voltage
Advanced Energy Materials - Tập 8 Số 25 - 2018
Ailing Tang, Bo Xiao, Fan Chen, Jianqi Zhang, Zhixiang Wei, Erjun Zhou
Abstract“The Same‐Acceptor‐Strategy” (SAS) adopts benzotriazole (BTA)‐based p‐type polymers paired with a new BTA based non‐fullerene acceptor BTA13 to minimize the trade‐off between the open‐circuit voltage (VOC) and short circuit current (JSC). The fluorination and sulfuration are introduced to lower the highest occupied molecular orbitals (HOMO) of the polymers. The fluorinated polymer of J52‐F... hiện toàn bộ
Achievement of High Voc of 1.02 V for P3HT‐Based Organic Solar Cell Using a Benzotriazole‐Containing Non‐Fullerene Acceptor
Advanced Energy Materials - Tập 7 Số 8 - 2017
Bo Xiao, Ailing Tang, Jianqi Zhang, Asif Mahmood, Zhixiang Wei, Erjun Zhou
Promises of Main Group Metal–Based Nanostructured Materials for Electrochemical CO2 Reduction to Formate
Advanced Energy Materials - Tập 10 Số 11 - 2020
Na Han, Ding Pan, Le He, Youyong Li, Yanguang Li
AbstractSelective CO2 reduction to formic acid or formate is the most technologically and economically viable approach to realize electrochemical CO2 valorization. Main group metal–based (Sn, Bi, In, Pb, and Sb) nanostructured materials hold great promise, but are still confronted with several challenges. Here, the current status, challenges, and future opportunities of main group metal–based nano... hiện toàn bộ
Efficiency Enhancement of Cu2ZnSn(S,Se)4 Solar Cells via Alkali Metals Doping
Advanced Energy Materials - Tập 6 Số 7 - 2016
Yao‐Tsung Hsieh, Qifeng Han, Chengyang Jiang, Tze‐Bin Song, Zhi‐Gang Chen, Lei Meng, Huanping Zhou, Yang Yang
Rutile TiO2 Inverse Opal Anodes for Li‐Ion Batteries with Long Cycle Life, High‐Rate Capability, and High Structural Stability
Advanced Energy Materials - Tập 7 Số 12 - 2017
David McNulty, Elaine Carroll, Colm O’Dwyer
Rutile TiO2 inverse opals provide long cycle life and impressive structural stability when tested as anode materials for Li‐ion batteries. The capacity retention of TiO2 inverse opals (IOs) is greater than previously reported values for other rutile TiO2 nanomaterials, and the cycled crystalline phase and material interconnectivity is maintained over thousands of cycles. Consequently, this paper o... hiện toàn bộ
Sulfidation of NiMn‐Layered Double Hydroxides/Graphene Oxide Composites toward Supercapacitor Electrodes with Enhanced Performance
Advanced Energy Materials - Tập 6 Số 5 - 2016
Jingwei Chen, Xu Wang, Jiangxin Wang, Pooi See Lee
Supercapacitors can deliver high‐power density and long cycle stability, but the limited energy density due to poor electronic and ionic conductivity of the supercapacitor electrode has been a bottleneck in many applications. A strategy to prepare microflower‐like NiMn‐layered double hydroxides (LDH) with sulfidation is delineated to reduce the charge transfer resistance of supercapacitor electrod... hiện toàn bộ
A Strategy for Synthesis of Carbon Nitride Induced Chemically Doped 2D MXene for High‐Performance Supercapacitor Electrodes
Advanced Energy Materials - Tập 8 Số 15 - 2018
Yeoheung Yoon, Minhe Lee, Seong Ku Kim, Garam Bae, Wooseok Song, Sung Myung, Jongsun Lim, Sun Sook Lee, Taehyoung Zyung, Ki‐Seok An
AbstractA step‐by‐step strategy is reported for improving capacitance of supercapacitor electrodes by synthesizing nitrogen‐doped 2D Ti2CTx induced by polymeric carbon nitride (p‐C3N4), which simultaneously acts as a nitrogen source and intercalant. The NH2CN (cyanamide) can form p‐C3N4 on the surface of Ti2CTx nanosheets by a condensation reaction at 500–700 °C. The p‐C3N4 and Ti2CTx complexes ar... hiện toàn bộ
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