DataVXACS Energy LettersPaper
journal article·2017-03-10

Conducting Nanopaper: A Carbon-Free Cathode Platform for Li–O2 Batteries

Ji-Won Jung, Hyeon-Gyun Im, Daewon Lee, Sunmoon Yu, Ji-Hoon Jang, Ki Ro Yoon, Yun Hyeok Kim, John B. Goodenough, Jungho Jin, Il-Doo Kim, Byeong-Soo Bae

ACS Energy Letters· Volume 2· Issue 3
Publisher page
Source abstract

Abstract

For a lithium–oxygen (Li–O 2 ) battery air electrode, we have developed a new all-in-one platform for designing a porous, carbon-free conducting nanopaper (CNp), which has dual functions as catalyst and current-collector, composed of one-dimensional conductive nanowires bound by a chitin binder. The CNp platform is fabricated by a liquid diffusion-induced crystallization and vacuum filtration methods. Employing less than 1 wt % chitin to connect the conductive skeleton, pores and active sites for reactions have become maximized in self-standing CNp. The carbon-free CNp enables the Li–O 2 air electrode to be more stably operated compared to carbon nanofibers and other CNps bound by PVDF and PMMA; side reactions are largely suppressed on the CNp. The versatile chitin is highlighted for diverse conducting nanopapers that can be used in various applications.
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Research context

Energy storageNanomaterialsCatalysis & surfaces

OpenAlex topics: Advanced Battery Materials and Technologies · Advancements in Battery Materials · Supercapacitor Materials and Fabrication

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

Affiliations

Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea

Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States

Creative and Fundamental Research Division, Korea Electrotechnology Research Institute (KERI), Changwon-si, Gyeongsangnam-do 51543, Republic of Korea

Carbon Resources Institute, Korea Research Institute of Chemical Technology (KRICT), 141 Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea

School of Materials Science and Engineering, University of Ulsan, 93 Daehak-ro, Nam-gu, Ulsan 44610, Republic of Korea

Funding

Welch Foundation · National Research Foundation of Korea · Ministry of Trade, Industry and Energy · Ministry of Science, ICT and Future Planning

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