English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Zendy Plus

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Zendy Tools

Zendy Open

Limited cycle life is a main reason preventing the large-scale application of electrically rechargeable zinc-air batteries. With the aim of increasing cycle life, a novel three-electrode zinc-air battery in a sandwich arrangement was designed and fabricated. The cycle life was evaluated by charge-discharge cycling tests with 100 cycles at high operational current density (40 mA cm −2 and 80 mA cm −2 for charging and discharging, respectively) for performance testing. A maximum power density of 105 mW cm −2 was achieved at current density of 150 mA cm −2 . The average columbic efficiency, depth of discharge and energy efficiency were 90%, 73% and 42%, respectively. A longer cycling test for 1000 cycles approximately 1917h cycling duration at a current density of 20 mA cm −2 was also achieved and voltage decay for charging and discharging was 13% and 12%, respectively. The results demonstrate that a horizontal tri-electrode structure for zinc-air batteries is advantageous for achieving increased cycle life while exhibiting high power density, high depth of discharge and excellent charge-discharge cycling performance, which provide promising applications of zinc-air batteries for electric vehicle and grid-scale energy storage.

A Horizontal Three-Electrode Structure for Zinc-Air Batteries with Long-Term Cycle Life and High Performance