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A Lithium-Organic Primary Battery.

Pengfei Sun1, Panxing Bai1, Zifeng Chen1

  • 1School of Materials Science and Engineering, Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education, and Tianjin Key Laboratory of Composite and Functional Materials, Tianjin University, Tianjin, 300072, China.

Small (Weinheim an Der Bergstrasse, Germany)
|December 24, 2019
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Summary
This summary is machine-generated.

A new lithium-organic primary battery uses 9,10-anthraquinone and fluoroethylene carbonate for high energy density and stable voltage. This eco-friendly battery offers a low-cost alternative for demanding applications.

Keywords:
anthraquinonefluoroethylene carbonateirreversible reactionlithium-organic primary batteriesorganic electrode materials

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Area of Science:

  • Electrochemistry
  • Materials Science

Background:

  • Lithium primary batteries are crucial in various sectors but face limitations like high cost, low energy density, and safety concerns.
  • Current lithium primary battery chemistries rely on inorganic materials, hindering broader adoption and performance.

Purpose of the Study:

  • To introduce a novel lithium-organic primary battery chemistry.
  • To investigate the synergistic reduction of 9,10-anthraquinone (AQ) and fluoroethylene carbonate (FEC) for enhanced battery performance.

Main Methods:

  • Electrochemical studies of AQ and FEC in a lithium-organic primary battery system.
  • Analysis of reaction products and performance metrics including energy density, rate capability, and operational temperature range.

Main Results:

  • The novel chemistry achieves a high energy density of 1300 Wh/kg (of AQ) at a stable 2.4 V discharge platform.
  • Demonstrated high rate capability (313 mAh/g at 1000 mA/g), wide operating temperature range (-40 to 40 °C), and low self-discharge.
  • Identified irreversible reaction products including methylene and inorganic salts (LiF, Li2CO3) in the presence of FEC.

Conclusions:

  • The developed lithium-organic primary battery offers a promising alternative to conventional inorganic chemistries.
  • Its advantages include high energy density, excellent rate capability, wide temperature tolerance, low toxicity, and cost-effectiveness.
  • This chemistry is suitable for applications demanding high performance, environmental friendliness, and affordability.