DataVXSmallPaper
journal article·2018-07

Curved Fragmented Graphenic Hierarchical Architectures for Extraordinary Charging Capacities

Hong‐Yuan Lian, Saikat Dutta, Satoshi Tominaka, Yu‐An Lee, Shu‐Yun Huang, Yasuhiro Sakamoto, Chia‐Hung Hou, Wei‐Ren Liu, Joel Henzie, Yusuke Yamauchi, Kevin C.‐W. Wu

Small· Volume 14· Issue 27
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Source abstract

Abstract

Abstract An approach to assemble hierarchically ordered 3D arrangements of curved graphenic nanofragments for energy storage devices is described. Assembling them into well‐defined interconnected macroporous networks, followed by removal of the template, results in spherical macroporous, mesoporous, and microporous carbon microball (3MCM) architectures with controllable features spanning nanometer to micrometer length scales. These structures are ideal porous electrodes and can serve as lithium‐ion battery (LIB) anodes as well as capacitive deionization (CDI) devices. The LIBs exhibit high reversible capacity (up to 1335 mAh g−1), with great rate capability (248 mAh g−1 at 20 C) and a long cycle life (60 cycles). For CDI, the curved graphenic networks have superior electrosorption capacity (i.e., 5.17 mg g−1 in 0.5 × 10−3m NaCl) over conventional carbon materials. The performance of these materials is attributed to the hierarchical structure of the graphenic electrode, which enables faster ion diffusion and low transport resistance.
Source: crossref · Quality: baseline

Research context

Energy storageNanomaterials

OpenAlex topics: Advancements in Battery Materials · Membrane-based Ion Separation Techniques · Supercapacitor Materials and Fabrication

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

Affiliations

Department of Chemical Engineering National Taiwan University No. 1, Sec. 4, Roosevelt Road Taipei 10617 Taiwan

International Center for Materials Nanoarchitectonics (WPI‐MANA) National Institute for Materials Science (NIMS) 1‐1 Namiki Tsukuba Ibaraki 305‐0044 Japan

Department of Chemical Engineering Chung Yuan Christian University Chung‐Li Taoyuan 320 Taiwan

Graduate Institute of Environmental Engineering National Taiwan University No. 1, Sec. 4, Roosevelt Road Taipei 10617 Taiwan

Polymer Physics and Chemistry Institute of Multidisciplinary Research for Advanced Materials Tohoku University Sendai 980‐8577 Japan

Department of Plant and Environmental New Resources Kyung Hee University 1732 Deogyeong‐daero, Giheung‐gu Yongin‐si Gyeonggi‐do 446‐701 South Korea

School of Chemical Engineering & Australian Institute for Bioengineering and Nanotechnology (AIBN) The University of Queensland Brisbane QLD 4072 Australia

Center of Atomic Initiative for New Materials (AI‐MAT) National Taiwan University Taipei 10617 Taiwan

International Graduate Program of Molecular Science and Technology National Taiwan University (NTU‐MST) Taipei 10617 Taiwan

Funding

Ministry of Science and Technology, Taiwan · National Taiwan University

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