4.7 Article

Symmetric All-Quinone Aqueous Battery

期刊

ACS APPLIED ENERGY MATERIALS
卷 2, 期 6, 页码 4016-4021

出版社

AMER CHEMICAL SOC
DOI: 10.1021/acsaem.9b00691

关键词

symmetric; metal-free; quinone; three-states; aqueous; proton battery

资金

  1. US Department of Energy ARPA-E Award [DE-AR0000767]
  2. U.S. Department of Energy through PNNL [DE-AC05-76RL01830, 428977]
  3. Massachusetts Clean Energy Technology Center

向作者/读者索取更多资源

Here we report a symmetric all-quinone aqueous battery based entirely on earth-abundant elements that uses a naturally occurring dye as the redox-active material in both positive and negative electrodes. We demonstrated a symmetric all-quinone cell with 1.04 V of open circuit voltage, 163 mAh/g of capacity, and 100 cycles at 10C with 100% of depth of discharge. The use of the same quinone in a symmetric setup expands the repertoire of inexpensive redox-active materials for aqueous rechargeable batteries, and the simple cell design will enable optimizations toward safe, cheap, light-weight, and flexible electronics in future.

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