Eco‐Friendly Higher Manganese Silicide Thermoelectric Materials: Progress and Future Challenges

10.1002/aenm.201800056

2018-04-06

As a promising thermoelectric material, higher manganese silicides are composed of earth‐abundant and eco‐friendly elements, and have attracted extensive attention for future commercialization. In this review, the authors first summarize the crystal structure...

Carrier Transport and Recombination in Efficient “All‐Small‐Molecule” Solar Cells with the Nonfullerene Acceptor IDTBR

10.1002/aenm.201800264

2018-04-03

Reaching device efficiencies that can rival those of polymer‐fullerene Bulk Heterojunction (BHJ) solar cells (>10%) remains challenging with the “All‐Small‐Molecule” (All‐SM) approach, in part because of (i) the morphological limitations that prevail in the a...

High Voltage Operation of Ni‐Rich NMC Cathodes Enabled by Stable Electrode/Electrolyte Interphases

10.1002/aenm.201800297

2018-03-30

The lithium (Li) metal battery (LMB) is one of the most promising candidates for next‐generation energy storage systems. However, it is still a significant challenge to operate LMBs with high voltage cathodes under high rate conditions. In this work, an LMB u...

Lewis Acid Doping Induced Synergistic Effects on Electronic and Morphological Structure for Donor and Acceptor in Polymer Solar Cells

10.1002/aenm.201703672

2018-03-29

Due to the attraction of optimizing the electronic structure beyond chemical synthesis, molecular doping has recently aroused wide interest in the field of organic solar cells. However, the selection of limited dopants confines its successful application. Ins...

Low‐Defect and Low‐Porosity Hard Carbon with High Coulombic Efficiency and High Capacity for Practical Sodium Ion Battery Anode

10.1002/aenm.201703238

2018-03-25

Hard carbon is regarded as the most promising anode material for commercialization of Na ion batteries because of its high capacity and low cost. At present, the practical utilization of hard carbon anodes is largely limited by the low initial Coulombic effic...

Electrochemical CO2 Reduction with Atomic Iron‐Dispersed on Nitrogen‐Doped Graphene

10.1002/aenm.201703487

2018-03-25

Electrochemical reduction of CO2 provides an opportunity to reach a carbon‐neutral energy recycling regime, in which CO2 emissions from fuel use are collected and converted back to fuels. The reduction of CO2 to CO is the first step toward the synthesis of mo...

H2V3O8 Nanowire/Graphene Electrodes for Aqueous Rechargeable Zinc Ion Batteries with High Rate Capability and Large Capacity

10.1002/aenm.201800144

2018-03-25

Aqueous rechargeable zinc ion batteries are considered a promising candidate for large‐scale energy storage owing to their low cost and high safety nature. A composite material comprised of H2V3O8 nanowires (NWs) wrapped by graphene sheets and used as the cat...

Mixed Domains Enhance Charge Generation and Extraction in Bulk‐Heterojunction Solar Cells with Small‐Molecule Donors

10.1002/aenm.201702941

2018-03-24

The interplay between nanomorphology and efficiency of polymer‐fullerene bulk‐heterojunction (BHJ) solar cells has been the subject of intense research, but the generality of these concepts for small‐molecule (SM) BHJs remains unclear. Here, the relation betw...

Thermoelectricity: High Thermoelectric zT in n-Type Silver Selenide films at Room Temperature (Adv. Energy Mater. 8/2018)

10.1002/aenm.201870033

2018-03-15

In article number 1702024, Marisol Martin-Gonzalez and co-workers, fabricate Ag2Se films with a novel technique (pulsed reactive sputtering). The obtained films are state-of-the-art for this thermoelectric material in applications close to room temperature. T...

Flow Batteries: Alkaline Benzoquinone Aqueous Flow Battery for Large-Scale Storage of Electrical Energy (Adv. Energy Mater. 8/2018)

10.1002/aenm.201870034

2018-03-15

In article number 1702056 Roy G. Gordon, Michael J. Aziz and co-workers, introduce an aqueous flow battery based on low-cost, nonflammable, noncorrosive, and earth-abundant elements. During charging, electrons are stored in a concentrated aqueous solution of ...