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Biscrolled Carbon Nanotube Yarn Structured Silver-Zinc Battery

Title
Biscrolled Carbon Nanotube Yarn Structured Silver-Zinc Battery
Author
김선정
Keywords
LITHIUM-ION BATTERY; SOLID-STATE; HIGH-ENERGY; SUPERCAPACITOR; PERFORMANCE; FIBERS
Issue Date
2018-07
Publisher
NATURE PUBLISHING GROUP
Citation
SCIENTIFIC REPORTS, v. 8, Article no. 11150
Abstract
Flexible yarn-or fiber-based energy storing devices are attractive because of their small dimension, light weight, and suitability for integration into woven or textile application. Some Li-ion based yarn or fiber batteries were developed due to their performance advantages, realizing highly performing and practically safe wearable battery still remains a challenge. Here, high performance and safe yarn-based battery is demonstrated by embedding active materials into inner structure of yarn and using water based electrolyte. Thanks to biscrolling method, loading level of silver and zinc in yarn electrodes increased up to 99 wt%. Our high loaded Silver and Zinc yarn electrodes enables high linear capacity in liquid electrolyte (0.285 mAh/cm) and solid electrolyte (0.276 mAh/cm), which are significantly higher than previously reported fiber batteries. In additions, due to PVA-KOH based aqueous electrolyte, our yarn battery system is inflammable, non-explosive and safe. Consequently, these high-capacities enable our Silver-Zinc aqueous yarn battery to be applicable to the energy source of portable and wearable electronics like an electric watch.
URI
https://www.nature.com/articles/s41598-018-29266-0http://repository.hanyang.ac.kr/handle/20.500.11754/119305
ISSN
2045-2322
DOI
10.1038/s41598-018-29266-0
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRICAL AND BIOMEDICAL ENGINEERING(전기·생체공학부) > Articles
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