Optimized Li storage performance of B, N doped graphyne as Li-ion battery anode materials

Cai Meng-Yuan; Tang Chun-Mei; Zhang Qiu-Yue

doi:10.7498/aps.68.20191161

Abstract

As the economy grows and the environment deteriorates, the renewable energy is urgently needed. The advanced energy storage technology in electronic equipment, electric vehicle, smart grid, etc. becomes more significant. For example, the rechargeable batteries, hydrogen storage media, supercapacitors, the new energy storage devices have received much attention today. The anodes of the lithium ion battery (LIB), as the main body of charging and discharging, should be most important. The ideal anode material for LIBs is required to possess a higher Li capacity and a lower volume expansion. Good reversibility and high Li capacity are balanced necessarily in the electrode material. The poor cycling performance of LIB is usually due to the severe volume expansion of anode in lithiation/delithiation process. In this paper, the Li storage performance of B and N doped graphyne is explored by using the density functional theory method. The Perdew-Burke-Ernzerhof functional of the generalized gradient approximation is chosen. The calculations indicate that the doping of B atoms can enhance the adsorption strength between the Li atom and the graphyne, which can greatly increase the Li storage capacity. The Li storage capacity of B doped graphyne can reach as high as 2061.62 mAh/g, which is 2.77 times that of pristine monolayer graphyne. Meanwhile, the B doping reduces the out-plane diffusion energy barrier of Li, but increases the in-plane diffusion energy barrier slightly by 0.1 eV. On the other hand, the doping of N atoms reduces the interaction between Li and graphyne, however, the Li capacity also increases to 1652.12 mAh/g because the number of the available Li adsorption sites increases. Moreover, the doping of N atoms greatly improves the diffusion performance of Li on graphyne. The in-plane diffusion energy barrier drops to 0.37 eV, and thus the charge-discharge performance of the N doping graphyne is well improved. Therefore, the doping of B and N atoms can remarkably improve the performance of graphyne as the LIB anodes. The remarkable performance of B and N doped graphdiyne shows that it will become a promising LIB anode in the future. The present research can provide a good theoretical basis and thus conduce to guiding the developing of good Li storage materials, and can also supply strong background for experimental researches.

Keywords:

Authors and contacts

1.
Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Hohai University, Nanjing 210098, China
2.
College of Science, Hohai Univeisity, Nanjing 210098, China
3.
National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China

Corresponding author: Tang Chun-Mei, tcmnj@163.com

Funds: Project supported by the Fundamental Research Funds for the Central Universities (Grant Nos. 2019B44214, 2018B19414), the Natural Science Foundation of Jiangsu Province, China (Grant No. BK20161501), the Six Talent Peaks Project in Jiangsu Province, China (Grant No. 2015-XCL-010), and the Open Subject of National Laboratory of Solid State Microstructures, China (Grant No. M32055)

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References

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Cited By

图 1 2 × 2 × 1的石墨炔晶胞中单个B, N的两种掺杂位点, 分别为环掺杂和链掺杂

Figure 1. Two doping sites of single B and N in the 2 × 2 × 1 supercell of graphyne. They are ring doping and chain doping respectively.

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图 2 四种结构的能带图　(a) B进行环掺杂; (b) B进行链掺杂; (c) N进行环掺杂; (d) N进行链掺杂

Figure 2. Energy band of four structures: (a) B-ring doping; (b) B-chain doping; (c) N-ring doping; (d) N-chain doping.

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图 3 不同掺杂位点B, N与相邻C1, C2原子的PDOS图

Figure 3. The PDOS of B, N and neighboring C1, C2 atoms with different doping sites.

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图 4 B, N掺杂石墨炔静电势的平视图与侧视图(静电势范围为1.0−–1.0 Ha·e^–1)

Figure 4. Flat view and side view of the electrostatic potential of B, N doped graphyne. The range of electrostatic potential is 1.0−–1.0 Ha·e^–1.

DownLoad: Full-Size Img PowerPoint

图 5 一个Li位于B掺杂的石墨炔(a) H和(c) h位点时的差分电荷密度图; 一个Li位于N掺杂石墨炔(b) H和(d) h位点的差分电荷密度图; 其中差分电荷密度范围为–0.01−0.005 e/Å³, 红色表示电子积聚, 蓝色表示电子缺失

Figure 5. Differential charge densities: One Li at (a) H and (c) h sites of the B-doped graphyne; one Li at (b) H and (d) h sites of the N doped graphyne. The range is –0.01− 0.005 e/Å³, the red area stands for electron accumulation, and the blue area stands for electron deletion.

DownLoad: Full-Size Img PowerPoint

图 6 多个Li在B, N掺杂墨炔上的平均吸附能随储Li数量的变化

Figure 6. The E_ad curves of multiple Li adsorbed on B, N doped graphyne.

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图 7 (a) B掺杂石墨炔最大Li结构的俯视图和侧视图; (b) N掺杂石墨炔最大储Li结构的俯视图和侧视图

Figure 7. (a) Top and side view of the maximum Li adsorbed with B graphyne; (b) top and side view of the maximum storage Li adsorbed N doped graphyne.

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图 8 B, N掺杂石墨炔的开路电压随储Li容量的变化, 其中橙色划线表示B掺杂石墨炔的平均开路电压, 紫色划线表示N掺杂石墨炔的平均开路电压

Figure 8. Change curves of the open circuit voltage with the storage Li capacity for B, N doped graphyne. The orange dash line represents the average open circuit voltage of B doped graphyne, and the purple dash line represents the average open circuit voltage of N doped graphyne.

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图 9 Li在B, N掺杂石墨炔上的扩散路径和对应的能量曲线图, 图中红色曲线对应path 1上的扩散能垒; 绿色曲线对应path 2上的扩散能垒; 黑色曲线对应path 3上的扩散能垒

Figure 9. Diffusion paths of Li on B, N doped graphyne and the corresponding energy curves. The red, green, black curves in the panels corresponds to the diffusion energy barrier on path 1, 2, 3, respectively.

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表 1 B, N掺杂的石墨炔的晶格常数、键长、Mulliken电荷及E_b

Table 1. Lattice constant, bond length, Mulliken charge and E_b of B, N doped graphyne.

1 B at ring 1 B at chain 1 N at ring 1 N at chain

Lattice/Å 6.98 6.92 6.86 6.90
Bond length/Å B/N-C1 1.54 1.50 1.42 1.34
B/N-C2 1.50 1.36 1.34 1.18
Charge of B/N/e 0.143 0.016 –0.247 0.226
E_b/eV 7.17 7.09 6.99 7.08

DownLoad: CSV

[1]	Bruce P G, Freunberger S A, Hardwick andv L J, M Tarascon J 2012 Nat. Mater. 11 19 Google Scholar
[2]	Zheng G, Lee S W, Liang Z, Lee H W, Yan K, Yao H, Wang H, Li W, Chu S, Cui Y 2014 Nat. Nanotechnol. 9 618 Google Scholar
[3]	Cheng F Y, Liang J, Tao Z L, Chen J 2011 Adv. Mater. 23 1695 Google Scholar
[4]	Osumi S, Saito S, Dou C, Matsuo K, Kume K, Yoshikawa H, Awaga K, Yamaguchi S 2016 Chem. Sci. 7 219 Google Scholar
[5]	Binitha G, Ashish A G, Ramasubramonian D, Manikandan P, Shaijumon M M 2016 Adv. Mater. Interfaces 3 1500419 Google Scholar
[6]	Liang X, Hart C, Pang Q, Garsuch A, Weiss T, Nazar L F 2015 Nat. Commun. 6 5682 Google Scholar
[7]	Liu R Z, Zhao Y H, Chu T S 2015 Chem. Commun. 51 2429 Google Scholar
[8]	Zhu Y, Murali S, Stoller M D, Ganesh K J, Cai W, Ferreira P J, Pirkle A, Wallace R M, Cychosz K A, Thommes M, D Su, Stach E A, Ruoff R S 2011 Science 332 1537 Google Scholar
[9]	Hankel M, Searles D J 2016 Phys. Chem. Chem. Phys. 18 14205 Google Scholar
[10]	Hwang H J, Koo J, Park M, Park N, Kwon Y, Lee H 2013 J. Phys. Chem. C 117 6919 Google Scholar
[11]	Eftekhari A 2017 Ener. Storage Mater. 7 157 Google Scholar
[12]	Jang B, Koo J, Park M, Lee H, Nam J, Kwon Y, Lee H 2013 Appl. Phys. Lett. 103 263904 Google Scholar
[13]	Zhang W J 2011 J. Power. Sources 196 13 Google Scholar
[14]	Wu H, Cui Y 2012 Nano Today 7 414 Google Scholar
[15]	Paraknowitsch J P, Thomas A 2013 Ener. Environ. Sci. 6 2839 Google Scholar
[16]	Zhu G, Lü K, Sun Q, Kawazoe Y, Jena P 2014 Comp. Mater. Sci. 81 275 Google Scholar
[17]	Wang X, Weng Q, Liu X, Wang X, Tang D M, Tian W, Zhang C, Yi W, Liu D, Bando Y, Golberg D 2014 Nano Lett. 14 1164
[18]	Ma C, Shao X, Cao D 2012 J. Mater. Chem. 22 8911 Google Scholar
[19]	Veith G M, Baggetto L, Adamczyk L, Guo A B, Brown S S, Sun X G, Albert A A, Humble J R, Barnes C E, Bojdys M J, Dai S, Dudney N J 2013 Chem. Mater. 25 503 Google Scholar
[20]	Tian L L, W ei, X Y, Zhuang Q C, Jiang C H, Wu C, Ma G Y, Zhao X, Zong Z M, Sun S G 2014 Nanoscale 6 6075
[21]	Zhang S, Du H, He J, Huang C, Liu H, Cui G, Li Y 2016 ACS Appl. Mater. Inter. 8 8467 Google Scholar
[22]	Yang L, Jiang S, Zhao Y, Zhu L, Chen S, Wang X, Wu Q, Ma J, Ma Y, Hu Z 2011 Angew. Chem. Int. Ed. 50 7132 Google Scholar
[23]	Sheng Z H, Gao H L, Bao W J, Wang F B, Xia X H 2012 J. Mater. Chem. 22 390 Google Scholar
[24]	Luo G, Zhao J, Wang B 2013 Compu. Mater. Sci. 68 212 Google Scholar
[25]	Baughman R H, Eckhardt H, Kertesz M 1987 J. Chem. Phys. 87 6687 Google Scholar
[26]	Li Q, Li Y, Chen Y, Wu L, Yang C, Cui X 2018 Carbon 136 248 Google Scholar
[27]	Bhattacharya B, Sarkar U 2016 J. Phys. Chem. C 120 26793
[28]	Jafari M, Asadpour M, Majelan N A, Faghihnasiri M 2014 Comput. Mater. Sci. 82 391 Google Scholar
[29]	Ruiz-Puigdollers A, Gamallo P 2017 Carbon 114 301 Google Scholar
[30]	Becke A D 1988 Phys. Rev. A 38 3098 Google Scholar
[31]	Delley B 1990 J. Chem. Phys. 92 508 Google Scholar
[32]	Delley B 1998 Int. J. Quant. Chem. 69 423 Google Scholar
[33]	Perdew J P, Chevary J A, Vosko S H, Jackson K A, Pederson M R, Singh D J 1992 Phys. Rev. B 46 6671 Google Scholar
[34]	Perdew J P, Burke K, Ernzerhof M 1996 Phys. Rev. Lett. 77 3865 Google Scholar
[35]	Grimme S 2006 J. Comput. Chem. 27 1787 Google Scholar
[36]	Olmstead M M, Power P P, Weese K J, Doedens R J 1987 J. Am. Chem. Soc. 109 2541 Google Scholar
[37]	Majidi R 2013 Nano 8 1350060
[38]	Merritt L L, Lanterman E 1952 Acta Crystallogr. 5 811 Google Scholar
[39]	Deng X Z, Zhao Q Q, Zhao Y Q, Cai M Q 2019 Curr. Appl. Phys. 19 279 Google Scholar
[40]	Yu Z L, Ma Q R, Liu B, Zhao Y Q, Wang L Z, Zhou H, Cai M Q 2017 J. Phys. D: Appl. Phys. 50 465101 Google Scholar
[41]	Zhao Y Q, Wang X, Liu B, Yu Z L, He P B, Wan Q, Yu H L 2018 Org. Electron. 53 50 Google Scholar
[42]	Zhao Y Q, Ma Q R, Liu B, Yu Z L, Yang J, Cai M Q 2018 Nanoscale 10 8677 Google Scholar
[43]	Guo Y, Cao J, Bo X, Xia Y, Jiang Y, Liu Z 2013 Compu. Mater. Sci. 68 61 Google Scholar
[44]	Jiang X, Arhammar C, Liu P, Zhao J, Ahuja R 2013 Sci. Rep. 3 1877 Google Scholar
[45]	Kittel C 1996 Introduction to Solid State Physics (7th ed.) (Singapore: Wiley) pp356−358
[46]	Zhang Q, Tang C, Zhu W, Cheng C 2018 J. Phys. Chem. C 122 22838 Google Scholar
[47]	Zheng F, Yang Y, Chen Q 2014 Nat. Commun. 5 5261 Google Scholar
[48]	Mortazavi B, Shahrokhi M, Zhuang X, Rabczuk T 2018 J. Mater. Chem. A 6 11022 Google Scholar
[49]	Eftekhari A, Molaei F 2015 J. Power Sources 274 1306 Google Scholar
[50]	Eftekhari A, Molaei F 2015 J. Power Sources 274 1315 Google Scholar
[51]	Halgren T A, Lipscomb W N 1977 Chem. Phys. Lett. 49 225 Google Scholar
[52]	Henkelman G 2000 J. Chem. Phys. 113 9978 Google Scholar
[53]	Sun C, Searles D J 2012 J. Phys. Chem. C 116 26222 Google Scholar
[54]	Chan K T, Neaton J B, Cohen M L 2008 Phys. Rev. B 77 235430 Google Scholar
[55]	Toyoura K, Koyama Y, Kuwabara A, Oba F, Tanaka I 2008 Phys. Rev. B 78 214303 Google Scholar
[56]	Valencia F, Romero A H, Ancilotto F, Silvestrelli P L 2006 J. Phys. Chem. B 110 14832 Google Scholar

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