all-carbon-based porous topological semimetal for li-ion

Topological Dirac Semimetal Phase in Bismuth Based Anode Materials for Sodium

Article Topological Dirac Semimetal Phase in Bismuth Based Anode Materials for Sodium-Ion Batteries Wei-Chi Chiu 1,*, Bahadur Singh 1,*, Sougata Mardanya 2, Johannes Nokelainen 3, Amit Agarwal 2, Hsin Lin 4, Christopher Lane 5,6, Katariina Pussi 3, Bernardo Barbiellini 1,3

Topological semimetal porous carbon as a high

Motivated by the advantages of inherent high electronic conductivity and ordered porosity of topological semimetal monoclinic C16 (m-C16), we explore its possible use as a lithium-ion battery anode material. Using state-of-the-art theoretical calculations, we show

Researchers fabricate high

2015/7/23a) Flow chart showing conventional synthesis routes of nano-Si for Li-ion battery anodes, along with of the sustainable and low-cost synthesis route from natural reed leaves. b) Detailed flow chart of the process for 3D porous Si-C anode from natural reed leaves to

Cover Stories

Sodium-ion batteries (SIBs) have recently attracted a great deal of attention because of their low cost and working principle similar to widely used lithium-ion batteries (LIBs). The cover image shows that a uniform carbon-coating NVPF could be used to manufacture the high-performance sodium-ion full cells.

All

2017/1/1Topological state of matter and lithium batteries are currently two hot topics in science and technology. Here we combine these two by exploring the possibility of using all-carbon-based porous topological semimetal for lithium battery anode material. Based on density-functional theory and the cluster-expansion method, we find that the recently identified topological semimetal bco-C16 is a

Surface states in bulk single crystal of topological

The band inversion in topological phase matters bring exotic physical properties such as the topologically protected surface states (TSS). They strongly influence the surface electronic structures of the materials and could serve as a good platform to gain insight into the surface reactions. Here we synthesized high-quality bulk single crystals of Co3Sn2S2 that naturally hosts the band

Penn State Engineering: EECS Directory

Kunyan Zhang, Tong Wang, Xiaoqi Pang, Fei Han, Shun-Li Shang, Nguyen T. Hung, Zi-Kui Liu, Mingda Li, Riichiro Saito and Shengxi Huang, 2020, Anisotropic Fano resonance in the Weyl semimetal candidate LaAlSi, Physical Review B, 102, (23), pp. 235162

Topological semimetals predicted from first

2016/6/8It has been shown that such all-carbon MTCs can host non-trivial electronic states, including topological node-lines and 3D Dirac points, which are distinct from its 2D counter material graphene. Similar node-lines have also been proposed in optimally tuned photonic crystal composed of gyroid [ 159 ], the Schwarz minimal G-surface.

A new porous metallic silicon dicarbide for highly efficient

Probing the pseudo-1-D ion diffusion in lithium titanium niobate anode for Li-ion battery, Phys. Chem. Chem. Phys. 18 (32) (2016) 22323e22330. [40] J. Liu, S. Wang, Q. Sun, All-carbon-based porous topological semimetal for Li-ion battery anode material, Proc

Publications — VCT 2D Materials Lab

2021 Pin-Chun Shen, Cong Su, Yuxuan Lin*, Ang-Sheng Chou, Chao-Ching Cheng, Ji-Hoon Park, Ming-Hui Chiu, Ang-Yu Lu, Hao-Ling Tang, Mahdi Tavakoli, Gregory Pitner, Xiang Ji, Zhengyang Cai, Nannan Mao, J iangtao Wang, Vincent Tung, Ju Li, Jeffrey Bokor, Alex Zettl, H.-S. Philip Wong, Toms Palacios, Lain-Jong Li*, Jing Kong*, "Ohmic Contact at Semimetal and Degenerate Monolayer Semiconductor

Penn State Engineering: EECS Directory

Kunyan Zhang, Tong Wang, Xiaoqi Pang, Fei Han, Shun-Li Shang, Nguyen T. Hung, Zi-Kui Liu, Mingda Li, Riichiro Saito and Shengxi Huang, 2020, Anisotropic Fano resonance in the Weyl semimetal candidate LaAlSi, Physical Review B, 102, (23), pp. 235162

Advanced Carbon Functional Materials for Superior Energy

With 7.8% nitrogen-doped carbon, porous carbon (when used as anode) has shown 600 mA h g −1 (storage capacity), which occurs at 5 A g −1 for the Li-ion batteries []. A first-standard calculation has proposed that the unrivaled anode execution of the N-doped permeable carbon is intently identified with the bending of the carbon layers (graphenes) and the pyrrolic/pyridinic N-doping in the

The Emergence and Evolution of Borophene

The maximum specific capacitance is much higher than the supercapacitor based on carbon‐based materials and bulk boron. [ 187, 188 ] III) Excellent rate capability: The current density rises from 0.3–6.0 A g −1, about 20‐fold, [ 189, 190 ] the specific capacitance is 98.3 F g −1, and the capacitance retention rate is 66.6%. [ 86 ]

Surface superconductivity in the type II Weyl semimetal

Abstract The search for unconventional superconductivity in Weyl semimetal materials is currently an exciting pursuit, since such superconducting phases could potentially be topologically non-trivial and host exotic Majorana modes. The layered material TaIrTe 4 is a newly predicted time-reversal invariant type II Weyl semimetal with the minimum number of Weyl points.

Fabrication of 3D

1 This paper proposes the fabrication process of the first fully 3D-printed ceramic core structures for portable solar desalination devices optimized to tackle water scarcity from an energy and sustainability perspective. Robocasting, a 3D printing technique, is utilized to fabricate a fully ceramic structure of an integrated solar absorber/thermal insulator/water transporter based on the two

Phys. Rev. Materials 2, 025403 (2018)

2018/2/26High-pressure-assisted design of porous topological semimetal carbon for Li-ion battery anode with high-rate performance Junyi Liu, Shuo Wang, Yu Qie, Cunzhi Zhang, and Qiang Sun Phys. Rev. Materials 2, 025403 – Published 26 February 2018

First Principles Study of Penta

2019/7/30From first principles calculations, a novel pentagonal Si/C complexity is predicted to have potential applications as a promising anode material for Li-ion batteries. It is found that the structural and thermal stability of the penta-siligraphene (P-Si2C4) is better than penta-graphene that is composed of C atoms only. Electronic band structure analysis shows that the empty C-2pz state in the

[PDF] Body

We identify by ab initio calculations a novel topological semimetal carbon phase in all-sp^{2} bonding networks with a 16-atom body-centered orthorhombic unit cell, termed bco-C_{16}. Total-energy calculations show that bco-C_{16} is comparable to solid fcc-C_{60} in energetic stability, and phonon and molecular dynamics simulations confirm its dynamical stability. This all-sp^{2} carbon

Carbon

This article reviews the recent progress towards achieving carbon-based thermoelectric materials. A wide range of experimental and computational studies on carbon allotropes and composites is covered in this review paper. Specifically, we discuss the strategies for engineering graphene, graphene nanoribbon, graphene nanomesh, graphene nanowiggle, carbon nanotube (CNT), fullerene, graphyne, and

Seeds (Round 1)

This dramatic boost in energy density is provided by the carbon-based Li-O 2 cathode, at which O 2 is reduced to Li 2 O 2 upon cell discharge. However, the insoluble Li 2 O 2 precipitates indiscriminately on the surface of the carbon cathode, inhibiting subsequent reduction of O 2, leading to diminished capacity, poor rate capability, and poor round-trip efficiency.

Fabrication of 3D

1 This paper proposes the fabrication process of the first fully 3D-printed ceramic core structures for portable solar desalination devices optimized to tackle water scarcity from an energy and sustainability perspective. Robocasting, a 3D printing technique, is utilized to fabricate a fully ceramic structure of an integrated solar absorber/thermal insulator/water transporter based on the two

Yuanyuan Qu, Feng Li, Hongcai Zhou, Mingwen Zhao*, Highly Efficient Quantum Sieving in Porous Graphene-like Carbon Nitride for Light Isotopes Separation, Sci. Rep. 6, 19952(2016). 7. Jie Tan, Xiujie He, Xiangdong Liu, Mingwen Zhao*, Intrinsic current-voltage characteristics of metal-carbon nanotube networks: A first-principles study, Org. Electron.

Highlighted Publications

Here we predict that "soft" ferromagnetic material EuB6 can achieve multiple topological semimetal phases by simply tuning the direction of the magnetic moment. Explicitly, EuB6 is a topological nodal-line semimetal when the moment is aligned along the [001] direction, and it evolves into a Weyl semimetal with three pairs of Weyl points by rotating the moment to the [111] direction.

Researchers fabricate high

2015/7/23a) Flow chart showing conventional synthesis routes of nano-Si for Li-ion battery anodes, along with of the sustainable and low-cost synthesis route from natural reed leaves. b) Detailed flow chart of the process for 3D porous Si-C anode from natural reed leaves to

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