DataVXACS Energy LettersPaper
journal article·2017-07-14

An Organic Cathode for Potassium Dual-Ion Full Battery

Ling Fan, Qian Liu, Zhi Xu, Bingan Lu

ACS Energy Letters· Volume 2· Issue 7
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Source abstract

Abstract

Potassium-based dual-ion full batteries (PDIBs) were developed with graphite anode, polytriphenylamine (PTPAn) cathode, and KPF 6 -based electrolyte. The PDIBs delivered a reversible capacity of 60 mA h g –1 at a median discharge voltage of 3.23 V at 50 mA g –1, with superior rate performance and long-term cycling stability over 500 cycles (capacity retention of 75.5%). Unlike the traditional dual-ion batteries, the operation mechanism of the PDIBs with PTPAn cathode is that the PF 6 – ions interacted with the nitrogen atom reversibly in the PTPAn cathode and the K + ions were intercalated/deintercalated into/from the graphite anode during the charge/discharge process.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storage

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced Battery Technologies Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Physics and Electronics, State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha 410082, China

Material Technology Company Limited, Wing Lok Street, Sheung Wan, Hong Kong 999077, China

State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, Shanxi, China

Funding

Hunan University · National Natural Science Foundation of China · State Key Laboratory of Coal Conversion · State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University

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