All-Polymer Seawater Battery

−4°C High Efficiency

Pairs an n-type polyimide anode with a p-type radical polymer cathode in an all-polymer architecture, delivering high energy efficiency and long lifespan even at subzero temperatures in seawater.

Liu, Xiu · Yang, Fan · Zhang, Zishou · Xin, Fei · Zhong, Linfeng · Yu, Dingshan

Advanced Science 2025

Specifications

能量效率
{'zh': '81', 'en': ''} %

Advantages

stable capacity over 10,000 cycles (anode)

83.2% capacity retention after 800 cycles at -4°C